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Commit | Line | Data |
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0824d6fc | 1 | /* |
80cabfad | 2 | * QEMU System Emulator |
0824d6fc | 3 | * |
80cabfad | 4 | * Copyright (c) 2003-2004 Fabrice Bellard |
0824d6fc | 5 | * |
1df912cf FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
0824d6fc | 23 | */ |
67b915a5 FB |
24 | #include "vl.h" |
25 | ||
0824d6fc | 26 | #include <unistd.h> |
0824d6fc FB |
27 | #include <fcntl.h> |
28 | #include <signal.h> | |
29 | #include <time.h> | |
0824d6fc | 30 | #include <errno.h> |
67b915a5 FB |
31 | #include <sys/time.h> |
32 | ||
33 | #ifndef _WIN32 | |
34 | #include <sys/times.h> | |
f1510b2c | 35 | #include <sys/wait.h> |
67b915a5 FB |
36 | #include <termios.h> |
37 | #include <sys/poll.h> | |
38 | #include <sys/mman.h> | |
f1510b2c FB |
39 | #include <sys/ioctl.h> |
40 | #include <sys/socket.h> | |
c94c8d64 | 41 | #include <netinet/in.h> |
9d728e8c | 42 | #include <dirent.h> |
7d3505c5 FB |
43 | #ifdef _BSD |
44 | #include <sys/stat.h> | |
83fb7adf | 45 | #ifndef __APPLE__ |
7d3505c5 | 46 | #include <libutil.h> |
83fb7adf | 47 | #endif |
7d3505c5 | 48 | #else |
f1510b2c FB |
49 | #include <linux/if.h> |
50 | #include <linux/if_tun.h> | |
7d3505c5 FB |
51 | #include <pty.h> |
52 | #include <malloc.h> | |
fd872598 | 53 | #include <linux/rtc.h> |
67b915a5 | 54 | #endif |
7d3505c5 | 55 | #endif |
67b915a5 | 56 | |
c20709aa FB |
57 | #if defined(CONFIG_SLIRP) |
58 | #include "libslirp.h" | |
59 | #endif | |
60 | ||
67b915a5 | 61 | #ifdef _WIN32 |
7d3505c5 | 62 | #include <malloc.h> |
67b915a5 FB |
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 | ||
73332e5c | 69 | #ifdef CONFIG_SDL |
96bcd4f8 | 70 | #ifdef __APPLE__ |
83fb7adf | 71 | #include <SDL/SDL.h> |
96bcd4f8 | 72 | #endif |
73332e5c | 73 | #endif /* CONFIG_SDL */ |
0824d6fc | 74 | |
0824d6fc | 75 | #include "disas.h" |
fc01f7e7 | 76 | |
8a7ddc38 | 77 | #include "exec-all.h" |
0824d6fc | 78 | |
a541f297 FB |
79 | //#define DO_TB_FLUSH |
80 | ||
5a67135a | 81 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 82 | |
0824d6fc | 83 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 84 | //#define DEBUG_IOPORT |
330d0414 | 85 | |
bb551faa | 86 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 87 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
88 | #else |
89 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
90 | #endif | |
7916e224 | 91 | |
77d4bc34 FB |
92 | #ifdef TARGET_PPC |
93 | #define DEFAULT_RAM_SIZE 144 | |
94 | #else | |
1bfe856e | 95 | #define DEFAULT_RAM_SIZE 128 |
77d4bc34 | 96 | #endif |
8a7ddc38 FB |
97 | /* in ms */ |
98 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 99 | |
7dea1da4 FB |
100 | /* XXX: use a two level table to limit memory usage */ |
101 | #define MAX_IOPORTS 65536 | |
0824d6fc | 102 | |
80cabfad | 103 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 104 | char phys_ram_file[1024]; |
c45886db FB |
105 | CPUState *global_env; |
106 | CPUState *cpu_single_env; | |
c4b1fcc0 | 107 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
108 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
109 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 110 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 | 111 | int vga_ram_size; |
0ced6589 | 112 | int bios_size; |
313aa567 | 113 | static DisplayState display_state; |
a20dd508 | 114 | int nographic; |
3d11d0eb | 115 | const char* keyboard_layout = NULL; |
313aa567 | 116 | int64_t ticks_per_sec; |
36b486bb | 117 | int boot_device = 'c'; |
0ced6589 | 118 | int ram_size; |
80cabfad FB |
119 | static char network_script[1024]; |
120 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
121 | int nb_nics; |
122 | NetDriverState nd_table[MAX_NICS]; | |
8a7ddc38 FB |
123 | QEMUTimer *gui_timer; |
124 | int vm_running; | |
aaaa7df6 | 125 | int audio_enabled = 0; |
fb065187 FB |
126 | int sb16_enabled = 1; |
127 | int adlib_enabled = 1; | |
128 | int gus_enabled = 1; | |
bb0c6722 | 129 | int pci_enabled = 1; |
77d4bc34 | 130 | int prep_enabled = 0; |
ee22c2f7 | 131 | int rtc_utc = 1; |
1bfe856e FB |
132 | int cirrus_vga_enabled = 1; |
133 | int graphic_width = 800; | |
134 | int graphic_height = 600; | |
e9b137c2 | 135 | int graphic_depth = 15; |
d63d307f | 136 | int full_screen = 0; |
82c643ff | 137 | TextConsole *vga_console; |
8d11df9e | 138 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
0824d6fc FB |
139 | |
140 | /***********************************************************/ | |
26aa7d72 FB |
141 | /* x86 ISA bus support */ |
142 | ||
143 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 144 | |
c4b1fcc0 | 145 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
146 | { |
147 | #ifdef DEBUG_UNUSED_IOPORT | |
148 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
149 | #endif | |
fc01f7e7 | 150 | return 0xff; |
0824d6fc FB |
151 | } |
152 | ||
c4b1fcc0 | 153 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
154 | { |
155 | #ifdef DEBUG_UNUSED_IOPORT | |
156 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
157 | #endif | |
158 | } | |
159 | ||
160 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 161 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
162 | { |
163 | uint32_t data; | |
db45c29a FB |
164 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
165 | address = (address + 1) & (MAX_IOPORTS - 1); | |
166 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
167 | return data; |
168 | } | |
169 | ||
c4b1fcc0 | 170 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 171 | { |
db45c29a FB |
172 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
173 | address = (address + 1) & (MAX_IOPORTS - 1); | |
174 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
175 | } |
176 | ||
c4b1fcc0 | 177 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 178 | { |
fc01f7e7 FB |
179 | #ifdef DEBUG_UNUSED_IOPORT |
180 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
181 | #endif | |
182 | return 0xffffffff; | |
0824d6fc FB |
183 | } |
184 | ||
c4b1fcc0 | 185 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 186 | { |
fc01f7e7 FB |
187 | #ifdef DEBUG_UNUSED_IOPORT |
188 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
189 | #endif | |
0824d6fc FB |
190 | } |
191 | ||
fc01f7e7 | 192 | void init_ioports(void) |
0824d6fc FB |
193 | { |
194 | int i; | |
195 | ||
fc01f7e7 FB |
196 | for(i = 0; i < MAX_IOPORTS; i++) { |
197 | ioport_read_table[0][i] = default_ioport_readb; | |
198 | ioport_write_table[0][i] = default_ioport_writeb; | |
199 | ioport_read_table[1][i] = default_ioport_readw; | |
200 | ioport_write_table[1][i] = default_ioport_writew; | |
201 | ioport_read_table[2][i] = default_ioport_readl; | |
202 | ioport_write_table[2][i] = default_ioport_writel; | |
203 | } | |
0824d6fc FB |
204 | } |
205 | ||
fc01f7e7 | 206 | /* size is the word size in byte */ |
c4b1fcc0 FB |
207 | int register_ioport_read(int start, int length, int size, |
208 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 209 | { |
fc01f7e7 | 210 | int i, bsize; |
f1510b2c | 211 | |
c4b1fcc0 | 212 | if (size == 1) { |
fc01f7e7 | 213 | bsize = 0; |
c4b1fcc0 | 214 | } else if (size == 2) { |
fc01f7e7 | 215 | bsize = 1; |
c4b1fcc0 | 216 | } else if (size == 4) { |
fc01f7e7 | 217 | bsize = 2; |
c4b1fcc0 FB |
218 | } else { |
219 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 220 | return -1; |
c4b1fcc0 FB |
221 | } |
222 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 223 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
224 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
225 | hw_error("register_ioport_read: invalid opaque"); | |
226 | ioport_opaque[i] = opaque; | |
227 | } | |
f1510b2c FB |
228 | return 0; |
229 | } | |
230 | ||
fc01f7e7 | 231 | /* size is the word size in byte */ |
c4b1fcc0 FB |
232 | int register_ioport_write(int start, int length, int size, |
233 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 234 | { |
fc01f7e7 | 235 | int i, bsize; |
f1510b2c | 236 | |
c4b1fcc0 | 237 | if (size == 1) { |
fc01f7e7 | 238 | bsize = 0; |
c4b1fcc0 | 239 | } else if (size == 2) { |
fc01f7e7 | 240 | bsize = 1; |
c4b1fcc0 | 241 | } else if (size == 4) { |
fc01f7e7 | 242 | bsize = 2; |
c4b1fcc0 FB |
243 | } else { |
244 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 245 | return -1; |
c4b1fcc0 FB |
246 | } |
247 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 248 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
249 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
250 | hw_error("register_ioport_read: invalid opaque"); | |
251 | ioport_opaque[i] = opaque; | |
252 | } | |
f1510b2c FB |
253 | return 0; |
254 | } | |
255 | ||
69b91039 FB |
256 | void isa_unassign_ioport(int start, int length) |
257 | { | |
258 | int i; | |
259 | ||
260 | for(i = start; i < start + length; i++) { | |
261 | ioport_read_table[0][i] = default_ioport_readb; | |
262 | ioport_read_table[1][i] = default_ioport_readw; | |
263 | ioport_read_table[2][i] = default_ioport_readl; | |
264 | ||
265 | ioport_write_table[0][i] = default_ioport_writeb; | |
266 | ioport_write_table[1][i] = default_ioport_writew; | |
267 | ioport_write_table[2][i] = default_ioport_writel; | |
268 | } | |
269 | } | |
270 | ||
20f32282 FB |
271 | /***********************************************************/ |
272 | ||
0824d6fc FB |
273 | void pstrcpy(char *buf, int buf_size, const char *str) |
274 | { | |
275 | int c; | |
276 | char *q = buf; | |
277 | ||
278 | if (buf_size <= 0) | |
279 | return; | |
280 | ||
281 | for(;;) { | |
282 | c = *str++; | |
283 | if (c == 0 || q >= buf + buf_size - 1) | |
284 | break; | |
285 | *q++ = c; | |
286 | } | |
287 | *q = '\0'; | |
288 | } | |
289 | ||
290 | /* strcat and truncate. */ | |
291 | char *pstrcat(char *buf, int buf_size, const char *s) | |
292 | { | |
293 | int len; | |
294 | len = strlen(buf); | |
295 | if (len < buf_size) | |
296 | pstrcpy(buf + len, buf_size - len, s); | |
297 | return buf; | |
298 | } | |
299 | ||
82c643ff FB |
300 | int strstart(const char *str, const char *val, const char **ptr) |
301 | { | |
302 | const char *p, *q; | |
303 | p = str; | |
304 | q = val; | |
305 | while (*q != '\0') { | |
306 | if (*p != *q) | |
307 | return 0; | |
308 | p++; | |
309 | q++; | |
310 | } | |
311 | if (ptr) | |
312 | *ptr = p; | |
313 | return 1; | |
314 | } | |
315 | ||
7587cf44 FB |
316 | /* return the size or -1 if error */ |
317 | int get_image_size(const char *filename) | |
318 | { | |
319 | int fd, size; | |
320 | fd = open(filename, O_RDONLY | O_BINARY); | |
321 | if (fd < 0) | |
322 | return -1; | |
323 | size = lseek(fd, 0, SEEK_END); | |
324 | close(fd); | |
325 | return size; | |
326 | } | |
327 | ||
0824d6fc FB |
328 | /* return the size or -1 if error */ |
329 | int load_image(const char *filename, uint8_t *addr) | |
330 | { | |
331 | int fd, size; | |
40c3bac3 | 332 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
333 | if (fd < 0) |
334 | return -1; | |
335 | size = lseek(fd, 0, SEEK_END); | |
336 | lseek(fd, 0, SEEK_SET); | |
337 | if (read(fd, addr, size) != size) { | |
338 | close(fd); | |
339 | return -1; | |
340 | } | |
341 | close(fd); | |
342 | return size; | |
343 | } | |
344 | ||
c45886db | 345 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 346 | { |
fd872598 FB |
347 | #ifdef DEBUG_IOPORT |
348 | if (loglevel & CPU_LOG_IOPORT) | |
349 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
350 | #endif | |
c4b1fcc0 | 351 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
352 | } |
353 | ||
c45886db | 354 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 355 | { |
fd872598 FB |
356 | #ifdef DEBUG_IOPORT |
357 | if (loglevel & CPU_LOG_IOPORT) | |
358 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
359 | #endif | |
c4b1fcc0 | 360 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
361 | } |
362 | ||
c45886db | 363 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 364 | { |
fd872598 FB |
365 | #ifdef DEBUG_IOPORT |
366 | if (loglevel & CPU_LOG_IOPORT) | |
367 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
368 | #endif | |
c4b1fcc0 | 369 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
370 | } |
371 | ||
c45886db | 372 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 373 | { |
fd872598 | 374 | int val; |
fd872598 FB |
375 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
376 | #ifdef DEBUG_IOPORT | |
377 | if (loglevel & CPU_LOG_IOPORT) | |
378 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
379 | #endif | |
380 | return val; | |
0824d6fc FB |
381 | } |
382 | ||
c45886db | 383 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 384 | { |
fd872598 | 385 | int val; |
fd872598 FB |
386 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
387 | #ifdef DEBUG_IOPORT | |
388 | if (loglevel & CPU_LOG_IOPORT) | |
389 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
390 | #endif | |
391 | return val; | |
0824d6fc FB |
392 | } |
393 | ||
c45886db | 394 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 395 | { |
fd872598 | 396 | int val; |
fd872598 FB |
397 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
398 | #ifdef DEBUG_IOPORT | |
399 | if (loglevel & CPU_LOG_IOPORT) | |
400 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
401 | #endif | |
402 | return val; | |
0824d6fc FB |
403 | } |
404 | ||
405 | /***********************************************************/ | |
0824d6fc FB |
406 | void hw_error(const char *fmt, ...) |
407 | { | |
408 | va_list ap; | |
409 | ||
410 | va_start(ap, fmt); | |
411 | fprintf(stderr, "qemu: hardware error: "); | |
412 | vfprintf(stderr, fmt, ap); | |
413 | fprintf(stderr, "\n"); | |
414 | #ifdef TARGET_I386 | |
7fe48483 | 415 | cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
c45886db | 416 | #else |
7fe48483 | 417 | cpu_dump_state(global_env, stderr, fprintf, 0); |
0824d6fc FB |
418 | #endif |
419 | va_end(ap); | |
420 | abort(); | |
421 | } | |
422 | ||
63066f4f FB |
423 | /***********************************************************/ |
424 | /* keyboard/mouse */ | |
425 | ||
426 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
427 | static void *qemu_put_kbd_event_opaque; | |
428 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
429 | static void *qemu_put_mouse_event_opaque; | |
430 | ||
431 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
432 | { | |
433 | qemu_put_kbd_event_opaque = opaque; | |
434 | qemu_put_kbd_event = func; | |
435 | } | |
436 | ||
437 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
438 | { | |
439 | qemu_put_mouse_event_opaque = opaque; | |
440 | qemu_put_mouse_event = func; | |
441 | } | |
442 | ||
443 | void kbd_put_keycode(int keycode) | |
444 | { | |
445 | if (qemu_put_kbd_event) { | |
446 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
447 | } | |
448 | } | |
449 | ||
450 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
451 | { | |
452 | if (qemu_put_mouse_event) { | |
453 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
454 | dx, dy, dz, buttons_state); | |
455 | } | |
456 | } | |
457 | ||
8a7ddc38 FB |
458 | /***********************************************************/ |
459 | /* timers */ | |
460 | ||
34865134 FB |
461 | #if defined(__powerpc__) |
462 | ||
463 | static inline uint32_t get_tbl(void) | |
0824d6fc | 464 | { |
34865134 FB |
465 | uint32_t tbl; |
466 | asm volatile("mftb %0" : "=r" (tbl)); | |
467 | return tbl; | |
0824d6fc FB |
468 | } |
469 | ||
34865134 FB |
470 | static inline uint32_t get_tbu(void) |
471 | { | |
472 | uint32_t tbl; | |
473 | asm volatile("mftbu %0" : "=r" (tbl)); | |
474 | return tbl; | |
475 | } | |
476 | ||
477 | int64_t cpu_get_real_ticks(void) | |
478 | { | |
479 | uint32_t l, h, h1; | |
480 | /* NOTE: we test if wrapping has occurred */ | |
481 | do { | |
482 | h = get_tbu(); | |
483 | l = get_tbl(); | |
484 | h1 = get_tbu(); | |
485 | } while (h != h1); | |
486 | return ((int64_t)h << 32) | l; | |
487 | } | |
488 | ||
489 | #elif defined(__i386__) | |
490 | ||
491 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
492 | { |
493 | int64_t val; | |
e463b581 | 494 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
495 | return val; |
496 | } | |
497 | ||
1115dde7 FB |
498 | #elif defined(__x86_64__) |
499 | ||
500 | int64_t cpu_get_real_ticks(void) | |
501 | { | |
502 | uint32_t low,high; | |
503 | int64_t val; | |
504 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
505 | val = high; | |
506 | val <<= 32; | |
507 | val |= low; | |
508 | return val; | |
509 | } | |
510 | ||
34865134 FB |
511 | #else |
512 | #error unsupported CPU | |
513 | #endif | |
514 | ||
515 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 516 | static int cpu_ticks_enabled; |
34865134 | 517 | |
8a7ddc38 | 518 | static inline int64_t cpu_get_ticks(void) |
34865134 | 519 | { |
8a7ddc38 FB |
520 | if (!cpu_ticks_enabled) { |
521 | return cpu_ticks_offset; | |
522 | } else { | |
523 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
524 | } | |
34865134 FB |
525 | } |
526 | ||
527 | /* enable cpu_get_ticks() */ | |
528 | void cpu_enable_ticks(void) | |
529 | { | |
8a7ddc38 FB |
530 | if (!cpu_ticks_enabled) { |
531 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
532 | cpu_ticks_enabled = 1; | |
533 | } | |
34865134 FB |
534 | } |
535 | ||
536 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
537 | cpu_get_ticks() after that. */ | |
538 | void cpu_disable_ticks(void) | |
539 | { | |
8a7ddc38 FB |
540 | if (cpu_ticks_enabled) { |
541 | cpu_ticks_offset = cpu_get_ticks(); | |
542 | cpu_ticks_enabled = 0; | |
543 | } | |
34865134 FB |
544 | } |
545 | ||
67b915a5 | 546 | static int64_t get_clock(void) |
34865134 | 547 | { |
67b915a5 FB |
548 | #ifdef _WIN32 |
549 | struct _timeb tb; | |
550 | _ftime(&tb); | |
551 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
552 | #else | |
34865134 FB |
553 | struct timeval tv; |
554 | gettimeofday(&tv, NULL); | |
555 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 556 | #endif |
34865134 FB |
557 | } |
558 | ||
0824d6fc FB |
559 | void cpu_calibrate_ticks(void) |
560 | { | |
561 | int64_t usec, ticks; | |
562 | ||
563 | usec = get_clock(); | |
8a7ddc38 | 564 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
565 | #ifdef _WIN32 |
566 | Sleep(50); | |
567 | #else | |
0824d6fc | 568 | usleep(50 * 1000); |
67b915a5 | 569 | #endif |
0824d6fc | 570 | usec = get_clock() - usec; |
8a7ddc38 | 571 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
572 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
573 | } | |
574 | ||
87858c89 | 575 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 576 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
577 | { |
578 | union { | |
579 | uint64_t ll; | |
580 | struct { | |
581 | #ifdef WORDS_BIGENDIAN | |
582 | uint32_t high, low; | |
583 | #else | |
584 | uint32_t low, high; | |
585 | #endif | |
586 | } l; | |
587 | } u, res; | |
588 | uint64_t rl, rh; | |
589 | ||
590 | u.ll = a; | |
591 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
592 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
593 | rh += (rl >> 32); | |
594 | res.l.high = rh / c; | |
595 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
596 | return res.ll; | |
597 | } | |
598 | ||
8a7ddc38 FB |
599 | #define QEMU_TIMER_REALTIME 0 |
600 | #define QEMU_TIMER_VIRTUAL 1 | |
601 | ||
602 | struct QEMUClock { | |
603 | int type; | |
604 | /* XXX: add frequency */ | |
605 | }; | |
606 | ||
607 | struct QEMUTimer { | |
608 | QEMUClock *clock; | |
609 | int64_t expire_time; | |
610 | QEMUTimerCB *cb; | |
611 | void *opaque; | |
612 | struct QEMUTimer *next; | |
613 | }; | |
614 | ||
615 | QEMUClock *rt_clock; | |
616 | QEMUClock *vm_clock; | |
617 | ||
618 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
619 | #ifdef _WIN32 |
620 | static MMRESULT timerID; | |
621 | #else | |
8a7ddc38 FB |
622 | /* frequency of the times() clock tick */ |
623 | static int timer_freq; | |
67b915a5 | 624 | #endif |
8a7ddc38 FB |
625 | |
626 | QEMUClock *qemu_new_clock(int type) | |
627 | { | |
628 | QEMUClock *clock; | |
629 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
630 | if (!clock) | |
631 | return NULL; | |
632 | clock->type = type; | |
633 | return clock; | |
634 | } | |
635 | ||
636 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
637 | { | |
638 | QEMUTimer *ts; | |
639 | ||
640 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
641 | ts->clock = clock; | |
642 | ts->cb = cb; | |
643 | ts->opaque = opaque; | |
644 | return ts; | |
645 | } | |
646 | ||
647 | void qemu_free_timer(QEMUTimer *ts) | |
648 | { | |
649 | qemu_free(ts); | |
650 | } | |
651 | ||
652 | /* stop a timer, but do not dealloc it */ | |
653 | void qemu_del_timer(QEMUTimer *ts) | |
654 | { | |
655 | QEMUTimer **pt, *t; | |
656 | ||
657 | /* NOTE: this code must be signal safe because | |
658 | qemu_timer_expired() can be called from a signal. */ | |
659 | pt = &active_timers[ts->clock->type]; | |
660 | for(;;) { | |
661 | t = *pt; | |
662 | if (!t) | |
663 | break; | |
664 | if (t == ts) { | |
665 | *pt = t->next; | |
666 | break; | |
667 | } | |
668 | pt = &t->next; | |
669 | } | |
670 | } | |
671 | ||
672 | /* modify the current timer so that it will be fired when current_time | |
673 | >= expire_time. The corresponding callback will be called. */ | |
674 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
675 | { | |
676 | QEMUTimer **pt, *t; | |
677 | ||
678 | qemu_del_timer(ts); | |
679 | ||
680 | /* add the timer in the sorted list */ | |
681 | /* NOTE: this code must be signal safe because | |
682 | qemu_timer_expired() can be called from a signal. */ | |
683 | pt = &active_timers[ts->clock->type]; | |
684 | for(;;) { | |
685 | t = *pt; | |
686 | if (!t) | |
687 | break; | |
688 | if (t->expire_time > expire_time) | |
689 | break; | |
690 | pt = &t->next; | |
691 | } | |
692 | ts->expire_time = expire_time; | |
693 | ts->next = *pt; | |
694 | *pt = ts; | |
695 | } | |
696 | ||
697 | int qemu_timer_pending(QEMUTimer *ts) | |
698 | { | |
699 | QEMUTimer *t; | |
700 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
701 | if (t == ts) | |
702 | return 1; | |
703 | } | |
704 | return 0; | |
705 | } | |
706 | ||
707 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
708 | { | |
709 | if (!timer_head) | |
710 | return 0; | |
711 | return (timer_head->expire_time <= current_time); | |
712 | } | |
713 | ||
714 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
715 | { | |
716 | QEMUTimer *ts; | |
717 | ||
718 | for(;;) { | |
719 | ts = *ptimer_head; | |
e95c8d51 | 720 | if (!ts || ts->expire_time > current_time) |
8a7ddc38 FB |
721 | break; |
722 | /* remove timer from the list before calling the callback */ | |
723 | *ptimer_head = ts->next; | |
724 | ts->next = NULL; | |
725 | ||
726 | /* run the callback (the timer list can be modified) */ | |
727 | ts->cb(ts->opaque); | |
728 | } | |
729 | } | |
730 | ||
731 | int64_t qemu_get_clock(QEMUClock *clock) | |
732 | { | |
733 | switch(clock->type) { | |
734 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
735 | #ifdef _WIN32 |
736 | return GetTickCount(); | |
737 | #else | |
7d3505c5 FB |
738 | { |
739 | struct tms tp; | |
740 | ||
741 | /* Note that using gettimeofday() is not a good solution | |
742 | for timers because its value change when the date is | |
743 | modified. */ | |
744 | if (timer_freq == 100) { | |
745 | return times(&tp) * 10; | |
746 | } else { | |
747 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
748 | } | |
8a7ddc38 | 749 | } |
67b915a5 | 750 | #endif |
8a7ddc38 FB |
751 | default: |
752 | case QEMU_TIMER_VIRTUAL: | |
753 | return cpu_get_ticks(); | |
754 | } | |
755 | } | |
756 | ||
757 | /* save a timer */ | |
758 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
759 | { | |
760 | uint64_t expire_time; | |
761 | ||
762 | if (qemu_timer_pending(ts)) { | |
763 | expire_time = ts->expire_time; | |
764 | } else { | |
765 | expire_time = -1; | |
766 | } | |
767 | qemu_put_be64(f, expire_time); | |
768 | } | |
769 | ||
770 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
771 | { | |
772 | uint64_t expire_time; | |
773 | ||
774 | expire_time = qemu_get_be64(f); | |
775 | if (expire_time != -1) { | |
776 | qemu_mod_timer(ts, expire_time); | |
777 | } else { | |
778 | qemu_del_timer(ts); | |
779 | } | |
780 | } | |
781 | ||
782 | static void timer_save(QEMUFile *f, void *opaque) | |
783 | { | |
784 | if (cpu_ticks_enabled) { | |
785 | hw_error("cannot save state if virtual timers are running"); | |
786 | } | |
787 | qemu_put_be64s(f, &cpu_ticks_offset); | |
788 | qemu_put_be64s(f, &ticks_per_sec); | |
789 | } | |
790 | ||
791 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
792 | { | |
793 | if (version_id != 1) | |
794 | return -EINVAL; | |
795 | if (cpu_ticks_enabled) { | |
796 | return -EINVAL; | |
797 | } | |
798 | qemu_get_be64s(f, &cpu_ticks_offset); | |
799 | qemu_get_be64s(f, &ticks_per_sec); | |
800 | return 0; | |
801 | } | |
802 | ||
67b915a5 FB |
803 | #ifdef _WIN32 |
804 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
805 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
806 | #else | |
8a7ddc38 | 807 | static void host_alarm_handler(int host_signum) |
67b915a5 | 808 | #endif |
8a7ddc38 | 809 | { |
02ba45c5 FB |
810 | #if 0 |
811 | #define DISP_FREQ 1000 | |
812 | { | |
813 | static int64_t delta_min = INT64_MAX; | |
814 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
815 | static int count; | |
816 | ti = qemu_get_clock(vm_clock); | |
817 | if (last_clock != 0) { | |
818 | delta = ti - last_clock; | |
819 | if (delta < delta_min) | |
820 | delta_min = delta; | |
821 | if (delta > delta_max) | |
822 | delta_max = delta; | |
823 | delta_cum += delta; | |
824 | if (++count == DISP_FREQ) { | |
825 | printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n", | |
826 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
827 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
828 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
829 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
830 | count = 0; | |
831 | delta_min = INT64_MAX; | |
832 | delta_max = 0; | |
833 | delta_cum = 0; | |
834 | } | |
835 | } | |
836 | last_clock = ti; | |
837 | } | |
838 | #endif | |
8a7ddc38 FB |
839 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
840 | qemu_get_clock(vm_clock)) || | |
841 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
842 | qemu_get_clock(rt_clock))) { | |
843 | /* stop the cpu because a timer occured */ | |
844 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
845 | } | |
846 | } | |
847 | ||
fd872598 FB |
848 | #ifndef _WIN32 |
849 | ||
829309c7 FB |
850 | #if defined(__linux__) |
851 | ||
fd872598 FB |
852 | #define RTC_FREQ 1024 |
853 | ||
854 | static int rtc_fd; | |
829309c7 | 855 | |
fd872598 FB |
856 | static int start_rtc_timer(void) |
857 | { | |
858 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
859 | if (rtc_fd < 0) | |
860 | return -1; | |
861 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
862 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
863 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
864 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
865 | goto fail; | |
866 | } | |
867 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
868 | fail: | |
869 | close(rtc_fd); | |
870 | return -1; | |
871 | } | |
872 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
873 | return 0; | |
874 | } | |
875 | ||
829309c7 FB |
876 | #else |
877 | ||
878 | static int start_rtc_timer(void) | |
879 | { | |
880 | return -1; | |
881 | } | |
882 | ||
883 | #endif /* !defined(__linux__) */ | |
884 | ||
885 | #endif /* !defined(_WIN32) */ | |
fd872598 | 886 | |
8a7ddc38 FB |
887 | static void init_timers(void) |
888 | { | |
8a7ddc38 FB |
889 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
890 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
891 | ||
67b915a5 FB |
892 | #ifdef _WIN32 |
893 | { | |
894 | int count=0; | |
40c3bac3 FB |
895 | timerID = timeSetEvent(10, // interval (ms) |
896 | 0, // resolution | |
897 | host_alarm_handler, // function | |
898 | (DWORD)&count, // user parameter | |
899 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
900 | if( !timerID ) { |
901 | perror("failed timer alarm"); | |
902 | exit(1); | |
903 | } | |
904 | } | |
905 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
906 | #else | |
907 | { | |
908 | struct sigaction act; | |
909 | struct itimerval itv; | |
910 | ||
911 | /* get times() syscall frequency */ | |
912 | timer_freq = sysconf(_SC_CLK_TCK); | |
913 | ||
914 | /* timer signal */ | |
915 | sigfillset(&act.sa_mask); | |
916 | act.sa_flags = 0; | |
8a7ddc38 | 917 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
918 | act.sa_flags |= SA_ONSTACK; |
919 | #endif | |
920 | act.sa_handler = host_alarm_handler; | |
921 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 922 | |
67b915a5 FB |
923 | itv.it_interval.tv_sec = 0; |
924 | itv.it_interval.tv_usec = 1000; | |
925 | itv.it_value.tv_sec = 0; | |
926 | itv.it_value.tv_usec = 10 * 1000; | |
927 | setitimer(ITIMER_REAL, &itv, NULL); | |
928 | /* we probe the tick duration of the kernel to inform the user if | |
929 | the emulated kernel requested a too high timer frequency */ | |
930 | getitimer(ITIMER_REAL, &itv); | |
fd872598 | 931 | |
83fb7adf | 932 | #if defined(__linux__) |
fd872598 FB |
933 | if (itv.it_interval.tv_usec > 1000) { |
934 | /* try to use /dev/rtc to have a faster timer */ | |
935 | if (start_rtc_timer() < 0) | |
936 | goto use_itimer; | |
937 | /* disable itimer */ | |
938 | itv.it_interval.tv_sec = 0; | |
939 | itv.it_interval.tv_usec = 0; | |
940 | itv.it_value.tv_sec = 0; | |
941 | itv.it_value.tv_usec = 0; | |
942 | setitimer(ITIMER_REAL, &itv, NULL); | |
943 | ||
944 | /* use the RTC */ | |
a1968d71 | 945 | sigaction(SIGIO, &act, NULL); |
fd872598 FB |
946 | fcntl(rtc_fd, F_SETFL, O_ASYNC); |
947 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
83fb7adf FB |
948 | } else |
949 | #endif /* defined(__linux__) */ | |
950 | { | |
fd872598 FB |
951 | use_itimer: |
952 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
953 | PIT_FREQ) / 1000000; | |
954 | } | |
67b915a5 | 955 | } |
8a7ddc38 | 956 | #endif |
8a7ddc38 FB |
957 | } |
958 | ||
40c3bac3 FB |
959 | void quit_timers(void) |
960 | { | |
961 | #ifdef _WIN32 | |
962 | timeKillEvent(timerID); | |
963 | #endif | |
964 | } | |
965 | ||
c4b1fcc0 | 966 | /***********************************************************/ |
82c643ff | 967 | /* character device */ |
313aa567 | 968 | |
82c643ff FB |
969 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
970 | { | |
971 | return s->chr_write(s, buf, len); | |
972 | } | |
67b915a5 | 973 | |
82c643ff | 974 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
67b915a5 | 975 | { |
82c643ff FB |
976 | char buf[4096]; |
977 | va_list ap; | |
978 | va_start(ap, fmt); | |
979 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
980 | qemu_chr_write(s, buf, strlen(buf)); | |
981 | va_end(ap); | |
67b915a5 FB |
982 | } |
983 | ||
5905b2e5 FB |
984 | void qemu_chr_send_event(CharDriverState *s, int event) |
985 | { | |
986 | if (s->chr_send_event) | |
987 | s->chr_send_event(s, event); | |
988 | } | |
989 | ||
82c643ff FB |
990 | void qemu_chr_add_read_handler(CharDriverState *s, |
991 | IOCanRWHandler *fd_can_read, | |
992 | IOReadHandler *fd_read, void *opaque) | |
993 | { | |
994 | s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); | |
995 | } | |
996 | ||
997 | void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event) | |
998 | { | |
999 | s->chr_event = chr_event; | |
1000 | } | |
67b915a5 | 1001 | |
82c643ff | 1002 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
313aa567 | 1003 | { |
82c643ff FB |
1004 | return len; |
1005 | } | |
1006 | ||
1007 | static void null_chr_add_read_handler(CharDriverState *chr, | |
1008 | IOCanRWHandler *fd_can_read, | |
1009 | IOReadHandler *fd_read, void *opaque) | |
1010 | { | |
1011 | } | |
1012 | ||
1013 | CharDriverState *qemu_chr_open_null(void) | |
1014 | { | |
1015 | CharDriverState *chr; | |
1016 | ||
1017 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1018 | if (!chr) | |
1019 | return NULL; | |
1020 | chr->chr_write = null_chr_write; | |
1021 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1022 | return chr; | |
1023 | } | |
1024 | ||
1025 | #ifndef _WIN32 | |
1026 | ||
1027 | typedef struct { | |
1028 | int fd_in, fd_out; | |
1029 | /* for nographic stdio only */ | |
1030 | IOCanRWHandler *fd_can_read; | |
1031 | IOReadHandler *fd_read; | |
1032 | void *fd_opaque; | |
1033 | } FDCharDriver; | |
1034 | ||
1035 | #define STDIO_MAX_CLIENTS 2 | |
1036 | ||
1037 | static int stdio_nb_clients; | |
1038 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; | |
1039 | ||
1d96905d FB |
1040 | static int unix_write(int fd, const uint8_t *buf, int len1) |
1041 | { | |
1042 | int ret, len; | |
1043 | ||
1044 | len = len1; | |
1045 | while (len > 0) { | |
1046 | ret = write(fd, buf, len); | |
1047 | if (ret < 0) { | |
1048 | if (errno != EINTR && errno != EAGAIN) | |
1049 | return -1; | |
1050 | } else if (ret == 0) { | |
1051 | break; | |
1052 | } else { | |
1053 | buf += ret; | |
1054 | len -= ret; | |
1055 | } | |
1056 | } | |
1057 | return len1 - len; | |
1058 | } | |
1059 | ||
82c643ff FB |
1060 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
1061 | { | |
1062 | FDCharDriver *s = chr->opaque; | |
1d96905d | 1063 | return unix_write(s->fd_out, buf, len); |
82c643ff FB |
1064 | } |
1065 | ||
1066 | static void fd_chr_add_read_handler(CharDriverState *chr, | |
1067 | IOCanRWHandler *fd_can_read, | |
1068 | IOReadHandler *fd_read, void *opaque) | |
1069 | { | |
1070 | FDCharDriver *s = chr->opaque; | |
1071 | ||
1072 | if (nographic && s->fd_in == 0) { | |
1073 | s->fd_can_read = fd_can_read; | |
1074 | s->fd_read = fd_read; | |
1075 | s->fd_opaque = opaque; | |
80cabfad | 1076 | } else { |
82c643ff FB |
1077 | qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque); |
1078 | } | |
1079 | } | |
1080 | ||
1081 | /* open a character device to a unix fd */ | |
1082 | CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1083 | { | |
1084 | CharDriverState *chr; | |
1085 | FDCharDriver *s; | |
1086 | ||
1087 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1088 | if (!chr) | |
1089 | return NULL; | |
1090 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1091 | if (!s) { | |
1092 | free(chr); | |
1093 | return NULL; | |
1094 | } | |
1095 | s->fd_in = fd_in; | |
1096 | s->fd_out = fd_out; | |
1097 | chr->opaque = s; | |
1098 | chr->chr_write = fd_chr_write; | |
1099 | chr->chr_add_read_handler = fd_chr_add_read_handler; | |
1100 | return chr; | |
1101 | } | |
1102 | ||
1103 | /* for STDIO, we handle the case where several clients use it | |
1104 | (nographic mode) */ | |
1105 | ||
1106 | #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ | |
1107 | ||
1108 | static int term_got_escape, client_index; | |
1109 | ||
1110 | void term_print_help(void) | |
1111 | { | |
1112 | printf("\n" | |
1113 | "C-a h print this help\n" | |
1114 | "C-a x exit emulator\n" | |
1115 | "C-a s save disk data back to file (if -snapshot)\n" | |
1116 | "C-a b send break (magic sysrq)\n" | |
1117 | "C-a c switch between console and monitor\n" | |
1118 | "C-a C-a send C-a\n" | |
1119 | ); | |
1120 | } | |
1121 | ||
1122 | /* called when a char is received */ | |
1123 | static void stdio_received_byte(int ch) | |
1124 | { | |
1125 | if (term_got_escape) { | |
1126 | term_got_escape = 0; | |
1127 | switch(ch) { | |
1128 | case 'h': | |
1129 | term_print_help(); | |
1130 | break; | |
1131 | case 'x': | |
1132 | exit(0); | |
1133 | break; | |
1134 | case 's': | |
1135 | { | |
1136 | int i; | |
1137 | for (i = 0; i < MAX_DISKS; i++) { | |
1138 | if (bs_table[i]) | |
1139 | bdrv_commit(bs_table[i]); | |
1140 | } | |
1141 | } | |
1142 | break; | |
1143 | case 'b': | |
1144 | if (client_index < stdio_nb_clients) { | |
1145 | CharDriverState *chr; | |
1146 | FDCharDriver *s; | |
1147 | ||
1148 | chr = stdio_clients[client_index]; | |
1149 | s = chr->opaque; | |
1150 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
1151 | } | |
1152 | break; | |
1153 | case 'c': | |
1154 | client_index++; | |
1155 | if (client_index >= stdio_nb_clients) | |
1156 | client_index = 0; | |
1157 | if (client_index == 0) { | |
1158 | /* send a new line in the monitor to get the prompt */ | |
1159 | ch = '\r'; | |
1160 | goto send_char; | |
1161 | } | |
1162 | break; | |
1163 | case TERM_ESCAPE: | |
1164 | goto send_char; | |
1165 | } | |
1166 | } else if (ch == TERM_ESCAPE) { | |
1167 | term_got_escape = 1; | |
1168 | } else { | |
1169 | send_char: | |
1170 | if (client_index < stdio_nb_clients) { | |
1171 | uint8_t buf[1]; | |
1172 | CharDriverState *chr; | |
1173 | FDCharDriver *s; | |
1174 | ||
1175 | chr = stdio_clients[client_index]; | |
1176 | s = chr->opaque; | |
1177 | buf[0] = ch; | |
1178 | /* XXX: should queue the char if the device is not | |
1179 | ready */ | |
1180 | if (s->fd_can_read(s->fd_opaque) > 0) | |
1181 | s->fd_read(s->fd_opaque, buf, 1); | |
c4b1fcc0 | 1182 | } |
330d0414 | 1183 | } |
330d0414 FB |
1184 | } |
1185 | ||
82c643ff FB |
1186 | static int stdio_can_read(void *opaque) |
1187 | { | |
1188 | /* XXX: not strictly correct */ | |
1189 | return 1; | |
1190 | } | |
1191 | ||
1192 | static void stdio_read(void *opaque, const uint8_t *buf, int size) | |
1193 | { | |
1194 | int i; | |
1195 | for(i = 0; i < size; i++) | |
1196 | stdio_received_byte(buf[i]); | |
1197 | } | |
1198 | ||
8d11df9e FB |
1199 | /* init terminal so that we can grab keys */ |
1200 | static struct termios oldtty; | |
1201 | static int old_fd0_flags; | |
1202 | ||
1203 | static void term_exit(void) | |
1204 | { | |
1205 | tcsetattr (0, TCSANOW, &oldtty); | |
1206 | fcntl(0, F_SETFL, old_fd0_flags); | |
1207 | } | |
1208 | ||
1209 | static void term_init(void) | |
1210 | { | |
1211 | struct termios tty; | |
1212 | ||
1213 | tcgetattr (0, &tty); | |
1214 | oldtty = tty; | |
1215 | old_fd0_flags = fcntl(0, F_GETFL); | |
1216 | ||
1217 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1218 | |INLCR|IGNCR|ICRNL|IXON); | |
1219 | tty.c_oflag |= OPOST; | |
1220 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1221 | /* if graphical mode, we allow Ctrl-C handling */ | |
1222 | if (nographic) | |
1223 | tty.c_lflag &= ~ISIG; | |
1224 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1225 | tty.c_cflag |= CS8; | |
1226 | tty.c_cc[VMIN] = 1; | |
1227 | tty.c_cc[VTIME] = 0; | |
1228 | ||
1229 | tcsetattr (0, TCSANOW, &tty); | |
1230 | ||
1231 | atexit(term_exit); | |
1232 | ||
1233 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1234 | } | |
1235 | ||
82c643ff FB |
1236 | CharDriverState *qemu_chr_open_stdio(void) |
1237 | { | |
1238 | CharDriverState *chr; | |
1239 | ||
1240 | if (nographic) { | |
1241 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1242 | return NULL; | |
1243 | chr = qemu_chr_open_fd(0, 1); | |
1244 | if (stdio_nb_clients == 0) | |
1245 | qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL); | |
1246 | client_index = stdio_nb_clients; | |
1247 | } else { | |
1248 | if (stdio_nb_clients != 0) | |
1249 | return NULL; | |
1250 | chr = qemu_chr_open_fd(0, 1); | |
1251 | } | |
1252 | stdio_clients[stdio_nb_clients++] = chr; | |
8d11df9e FB |
1253 | if (stdio_nb_clients == 1) { |
1254 | /* set the terminal in raw mode */ | |
1255 | term_init(); | |
1256 | } | |
82c643ff FB |
1257 | return chr; |
1258 | } | |
1259 | ||
1260 | #if defined(__linux__) | |
1261 | CharDriverState *qemu_chr_open_pty(void) | |
1262 | { | |
1263 | char slave_name[1024]; | |
1264 | int master_fd, slave_fd; | |
1265 | ||
1266 | /* Not satisfying */ | |
1267 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1268 | return NULL; | |
1269 | } | |
1270 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1271 | return qemu_chr_open_fd(master_fd, master_fd); | |
1272 | } | |
1273 | #else | |
1274 | CharDriverState *qemu_chr_open_pty(void) | |
1275 | { | |
1276 | return NULL; | |
1277 | } | |
67b915a5 FB |
1278 | #endif |
1279 | ||
82c643ff FB |
1280 | #endif /* !defined(_WIN32) */ |
1281 | ||
1282 | CharDriverState *qemu_chr_open(const char *filename) | |
1283 | { | |
1284 | if (!strcmp(filename, "vc")) { | |
1285 | return text_console_init(&display_state); | |
1286 | } else if (!strcmp(filename, "null")) { | |
1287 | return qemu_chr_open_null(); | |
1288 | } else | |
1289 | #ifndef _WIN32 | |
1290 | if (!strcmp(filename, "pty")) { | |
1291 | return qemu_chr_open_pty(); | |
1292 | } else if (!strcmp(filename, "stdio")) { | |
1293 | return qemu_chr_open_stdio(); | |
1294 | } else | |
1295 | #endif | |
1296 | { | |
1297 | return NULL; | |
1298 | } | |
1299 | } | |
1300 | ||
80cabfad | 1301 | /***********************************************************/ |
c20709aa | 1302 | /* Linux network device redirectors */ |
330d0414 | 1303 | |
c20709aa FB |
1304 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
1305 | { | |
1306 | int len, i, j, c; | |
1307 | ||
1308 | for(i=0;i<size;i+=16) { | |
1309 | len = size - i; | |
1310 | if (len > 16) | |
1311 | len = 16; | |
1312 | fprintf(f, "%08x ", i); | |
1313 | for(j=0;j<16;j++) { | |
1314 | if (j < len) | |
1315 | fprintf(f, " %02x", buf[i+j]); | |
1316 | else | |
1317 | fprintf(f, " "); | |
1318 | } | |
1319 | fprintf(f, " "); | |
1320 | for(j=0;j<len;j++) { | |
1321 | c = buf[i+j]; | |
1322 | if (c < ' ' || c > '~') | |
1323 | c = '.'; | |
1324 | fprintf(f, "%c", c); | |
1325 | } | |
1326 | fprintf(f, "\n"); | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1331 | { | |
1332 | nd->send_packet(nd, buf, size); | |
1333 | } | |
67b915a5 | 1334 | |
c20709aa FB |
1335 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
1336 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 1337 | { |
c20709aa FB |
1338 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
1339 | } | |
1340 | ||
1341 | /* dummy network adapter */ | |
1342 | ||
1343 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1344 | { | |
1345 | } | |
1346 | ||
1347 | static void dummy_add_read_packet(NetDriverState *nd, | |
1348 | IOCanRWHandler *fd_can_read, | |
1349 | IOReadHandler *fd_read, void *opaque) | |
1350 | { | |
1351 | } | |
1352 | ||
1353 | static int net_dummy_init(NetDriverState *nd) | |
1354 | { | |
1355 | nd->send_packet = dummy_send_packet; | |
1356 | nd->add_read_packet = dummy_add_read_packet; | |
1357 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
1358 | return 0; |
1359 | } | |
1360 | ||
c20709aa FB |
1361 | #if defined(CONFIG_SLIRP) |
1362 | ||
1363 | /* slirp network adapter */ | |
1364 | ||
1365 | static void *slirp_fd_opaque; | |
1366 | static IOCanRWHandler *slirp_fd_can_read; | |
1367 | static IOReadHandler *slirp_fd_read; | |
1368 | static int slirp_inited; | |
1369 | ||
1370 | int slirp_can_output(void) | |
1371 | { | |
1372 | return slirp_fd_can_read(slirp_fd_opaque); | |
1373 | } | |
1374 | ||
1375 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 1376 | { |
c20709aa FB |
1377 | #if 0 |
1378 | printf("output:\n"); | |
1379 | hex_dump(stdout, pkt, pkt_len); | |
1380 | #endif | |
1381 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
1382 | } |
1383 | ||
c20709aa FB |
1384 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1385 | { | |
1386 | #if 0 | |
1387 | printf("input:\n"); | |
1388 | hex_dump(stdout, buf, size); | |
1389 | #endif | |
1390 | slirp_input(buf, size); | |
1391 | } | |
1392 | ||
1393 | static void slirp_add_read_packet(NetDriverState *nd, | |
1394 | IOCanRWHandler *fd_can_read, | |
1395 | IOReadHandler *fd_read, void *opaque) | |
1396 | { | |
1397 | slirp_fd_opaque = opaque; | |
1398 | slirp_fd_can_read = fd_can_read; | |
1399 | slirp_fd_read = fd_read; | |
1400 | } | |
1401 | ||
1402 | static int net_slirp_init(NetDriverState *nd) | |
1403 | { | |
1404 | if (!slirp_inited) { | |
1405 | slirp_inited = 1; | |
1406 | slirp_init(); | |
1407 | } | |
1408 | nd->send_packet = slirp_send_packet; | |
1409 | nd->add_read_packet = slirp_add_read_packet; | |
1410 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1411 | return 0; | |
1412 | } | |
1413 | ||
9bf05444 FB |
1414 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
1415 | { | |
1416 | const char *p, *p1; | |
1417 | int len; | |
1418 | p = *pp; | |
1419 | p1 = strchr(p, sep); | |
1420 | if (!p1) | |
1421 | return -1; | |
1422 | len = p1 - p; | |
1423 | p1++; | |
1424 | if (buf_size > 0) { | |
1425 | if (len > buf_size - 1) | |
1426 | len = buf_size - 1; | |
1427 | memcpy(buf, p, len); | |
1428 | buf[len] = '\0'; | |
1429 | } | |
1430 | *pp = p1; | |
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | static void net_slirp_redir(const char *redir_str) | |
1435 | { | |
1436 | int is_udp; | |
1437 | char buf[256], *r; | |
1438 | const char *p; | |
1439 | struct in_addr guest_addr; | |
1440 | int host_port, guest_port; | |
1441 | ||
1442 | if (!slirp_inited) { | |
1443 | slirp_inited = 1; | |
1444 | slirp_init(); | |
1445 | } | |
1446 | ||
1447 | p = redir_str; | |
1448 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1449 | goto fail; | |
1450 | if (!strcmp(buf, "tcp")) { | |
1451 | is_udp = 0; | |
1452 | } else if (!strcmp(buf, "udp")) { | |
1453 | is_udp = 1; | |
1454 | } else { | |
1455 | goto fail; | |
1456 | } | |
1457 | ||
1458 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1459 | goto fail; | |
1460 | host_port = strtol(buf, &r, 0); | |
1461 | if (r == buf) | |
1462 | goto fail; | |
1463 | ||
1464 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1465 | goto fail; | |
1466 | if (buf[0] == '\0') { | |
1467 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
1468 | } | |
1469 | if (!inet_aton(buf, &guest_addr)) | |
1470 | goto fail; | |
1471 | ||
1472 | guest_port = strtol(p, &r, 0); | |
1473 | if (r == p) | |
1474 | goto fail; | |
1475 | ||
1476 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
1477 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
1478 | exit(1); | |
1479 | } | |
1480 | return; | |
1481 | fail: | |
1482 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
1483 | exit(1); | |
1484 | } | |
9d728e8c | 1485 | |
c94c8d64 FB |
1486 | #ifndef _WIN32 |
1487 | ||
9d728e8c FB |
1488 | char smb_dir[1024]; |
1489 | ||
1490 | static void smb_exit(void) | |
1491 | { | |
1492 | DIR *d; | |
1493 | struct dirent *de; | |
1494 | char filename[1024]; | |
1495 | ||
1496 | /* erase all the files in the directory */ | |
1497 | d = opendir(smb_dir); | |
1498 | for(;;) { | |
1499 | de = readdir(d); | |
1500 | if (!de) | |
1501 | break; | |
1502 | if (strcmp(de->d_name, ".") != 0 && | |
1503 | strcmp(de->d_name, "..") != 0) { | |
1504 | snprintf(filename, sizeof(filename), "%s/%s", | |
1505 | smb_dir, de->d_name); | |
1506 | unlink(filename); | |
1507 | } | |
1508 | } | |
03ffbb69 | 1509 | closedir(d); |
9d728e8c FB |
1510 | rmdir(smb_dir); |
1511 | } | |
1512 | ||
1513 | /* automatic user mode samba server configuration */ | |
1514 | void net_slirp_smb(const char *exported_dir) | |
1515 | { | |
1516 | char smb_conf[1024]; | |
1517 | char smb_cmdline[1024]; | |
1518 | FILE *f; | |
1519 | ||
1520 | if (!slirp_inited) { | |
1521 | slirp_inited = 1; | |
1522 | slirp_init(); | |
1523 | } | |
1524 | ||
1525 | /* XXX: better tmp dir construction */ | |
1526 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
1527 | if (mkdir(smb_dir, 0700) < 0) { | |
1528 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
1529 | exit(1); | |
1530 | } | |
1531 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
1532 | ||
1533 | f = fopen(smb_conf, "w"); | |
1534 | if (!f) { | |
1535 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
1536 | exit(1); | |
1537 | } | |
1538 | fprintf(f, | |
1539 | "[global]\n" | |
1540 | "pid directory=%s\n" | |
1541 | "lock directory=%s\n" | |
1542 | "log file=%s/log.smbd\n" | |
1543 | "smb passwd file=%s/smbpasswd\n" | |
03ffbb69 | 1544 | "security = share\n" |
9d728e8c FB |
1545 | "[qemu]\n" |
1546 | "path=%s\n" | |
1547 | "read only=no\n" | |
1548 | "guest ok=yes\n", | |
1549 | smb_dir, | |
1550 | smb_dir, | |
1551 | smb_dir, | |
1552 | smb_dir, | |
1553 | exported_dir | |
1554 | ); | |
1555 | fclose(f); | |
1556 | atexit(smb_exit); | |
1557 | ||
1558 | snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", | |
1559 | smb_conf); | |
1560 | ||
1561 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
1562 | } | |
9bf05444 | 1563 | |
c94c8d64 FB |
1564 | #endif /* !defined(_WIN32) */ |
1565 | ||
c20709aa FB |
1566 | #endif /* CONFIG_SLIRP */ |
1567 | ||
1568 | #if !defined(_WIN32) | |
7d3505c5 FB |
1569 | #ifdef _BSD |
1570 | static int tun_open(char *ifname, int ifname_size) | |
1571 | { | |
1572 | int fd; | |
1573 | char *dev; | |
1574 | struct stat s; | |
67b915a5 | 1575 | |
7d3505c5 FB |
1576 | fd = open("/dev/tap", O_RDWR); |
1577 | if (fd < 0) { | |
1578 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1579 | return -1; | |
1580 | } | |
1581 | ||
1582 | fstat(fd, &s); | |
1583 | dev = devname(s.st_rdev, S_IFCHR); | |
1584 | pstrcpy(ifname, ifname_size, dev); | |
1585 | ||
1586 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1587 | return fd; | |
1588 | } | |
1589 | #else | |
c4b1fcc0 | 1590 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1591 | { |
80cabfad | 1592 | struct ifreq ifr; |
c4b1fcc0 | 1593 | int fd, ret; |
80cabfad FB |
1594 | |
1595 | fd = open("/dev/net/tun", O_RDWR); | |
1596 | if (fd < 0) { | |
1597 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1598 | return -1; | |
330d0414 | 1599 | } |
80cabfad FB |
1600 | memset(&ifr, 0, sizeof(ifr)); |
1601 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1602 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1603 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1604 | if (ret != 0) { | |
1605 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1606 | close(fd); | |
1607 | return -1; | |
1608 | } | |
1609 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1610 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1611 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1612 | return fd; |
1613 | } | |
7d3505c5 | 1614 | #endif |
330d0414 | 1615 | |
c20709aa FB |
1616 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1617 | { | |
1618 | write(nd->fd, buf, size); | |
1619 | } | |
1620 | ||
1621 | static void tun_add_read_packet(NetDriverState *nd, | |
1622 | IOCanRWHandler *fd_can_read, | |
1623 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1624 | { |
c20709aa FB |
1625 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1626 | } | |
1627 | ||
1628 | static int net_tun_init(NetDriverState *nd) | |
1629 | { | |
1630 | int pid, status; | |
1631 | char *args[3]; | |
c4b1fcc0 FB |
1632 | char **parg; |
1633 | ||
c20709aa FB |
1634 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1635 | if (nd->fd < 0) | |
1636 | return -1; | |
c4b1fcc0 | 1637 | |
c20709aa FB |
1638 | /* try to launch network init script */ |
1639 | pid = fork(); | |
1640 | if (pid >= 0) { | |
1641 | if (pid == 0) { | |
1642 | parg = args; | |
1643 | *parg++ = network_script; | |
1644 | *parg++ = nd->ifname; | |
1645 | *parg++ = NULL; | |
1646 | execv(network_script, args); | |
1647 | exit(1); | |
1648 | } | |
1649 | while (waitpid(pid, &status, 0) != pid); | |
1650 | if (!WIFEXITED(status) || | |
1651 | WEXITSTATUS(status) != 0) { | |
1652 | fprintf(stderr, "%s: could not launch network script\n", | |
1653 | network_script); | |
80cabfad | 1654 | } |
330d0414 | 1655 | } |
c20709aa FB |
1656 | nd->send_packet = tun_send_packet; |
1657 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1658 | return 0; |
330d0414 FB |
1659 | } |
1660 | ||
c20709aa | 1661 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1662 | { |
c20709aa FB |
1663 | nd->fd = fd; |
1664 | nd->send_packet = tun_send_packet; | |
1665 | nd->add_read_packet = tun_add_read_packet; | |
1666 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1667 | return 0; | |
80cabfad | 1668 | } |
330d0414 | 1669 | |
c20709aa | 1670 | #endif /* !_WIN32 */ |
67b915a5 | 1671 | |
f7cce898 FB |
1672 | /***********************************************************/ |
1673 | /* pid file */ | |
1674 | ||
1675 | static char *pid_filename; | |
1676 | ||
1677 | /* Remove PID file. Called on normal exit */ | |
1678 | ||
1679 | static void remove_pidfile(void) | |
1680 | { | |
1681 | unlink (pid_filename); | |
1682 | } | |
1683 | ||
1684 | static void create_pidfile(const char *filename) | |
1685 | { | |
1686 | struct stat pidstat; | |
1687 | FILE *f; | |
1688 | ||
1689 | /* Try to write our PID to the named file */ | |
1690 | if (stat(filename, &pidstat) < 0) { | |
1691 | if (errno == ENOENT) { | |
1692 | if ((f = fopen (filename, "w")) == NULL) { | |
1693 | perror("Opening pidfile"); | |
1694 | exit(1); | |
1695 | } | |
1696 | fprintf(f, "%d\n", getpid()); | |
1697 | fclose(f); | |
1698 | pid_filename = qemu_strdup(filename); | |
1699 | if (!pid_filename) { | |
1700 | fprintf(stderr, "Could not save PID filename"); | |
1701 | exit(1); | |
1702 | } | |
1703 | atexit(remove_pidfile); | |
1704 | } | |
1705 | } else { | |
1706 | fprintf(stderr, "%s already exists. Remove it and try again.\n", | |
1707 | filename); | |
1708 | exit(1); | |
1709 | } | |
1710 | } | |
1711 | ||
313aa567 FB |
1712 | /***********************************************************/ |
1713 | /* dumb display */ | |
1714 | ||
313aa567 FB |
1715 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1716 | { | |
1717 | } | |
1718 | ||
1719 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1720 | { | |
1721 | } | |
1722 | ||
1723 | static void dumb_refresh(DisplayState *ds) | |
1724 | { | |
1725 | vga_update_display(); | |
1726 | } | |
1727 | ||
1728 | void dumb_display_init(DisplayState *ds) | |
1729 | { | |
1730 | ds->data = NULL; | |
1731 | ds->linesize = 0; | |
1732 | ds->depth = 0; | |
1733 | ds->dpy_update = dumb_update; | |
1734 | ds->dpy_resize = dumb_resize; | |
1735 | ds->dpy_refresh = dumb_refresh; | |
1736 | } | |
1737 | ||
3a51dee6 | 1738 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1739 | /***********************************************************/ |
0824d6fc FB |
1740 | /* cpu signal handler */ |
1741 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1742 | void *puc) | |
1743 | { | |
1744 | if (cpu_signal_handler(host_signum, info, puc)) | |
1745 | return; | |
8d11df9e FB |
1746 | if (stdio_nb_clients > 0) |
1747 | term_exit(); | |
0824d6fc FB |
1748 | abort(); |
1749 | } | |
3a51dee6 | 1750 | #endif |
0824d6fc | 1751 | |
8a7ddc38 FB |
1752 | /***********************************************************/ |
1753 | /* I/O handling */ | |
0824d6fc | 1754 | |
c4b1fcc0 FB |
1755 | #define MAX_IO_HANDLERS 64 |
1756 | ||
1757 | typedef struct IOHandlerRecord { | |
1758 | int fd; | |
1759 | IOCanRWHandler *fd_can_read; | |
1760 | IOReadHandler *fd_read; | |
1761 | void *opaque; | |
1762 | /* temporary data */ | |
1763 | struct pollfd *ufd; | |
1764 | int max_size; | |
8a7ddc38 | 1765 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1766 | } IOHandlerRecord; |
1767 | ||
8a7ddc38 | 1768 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1769 | |
8a7ddc38 FB |
1770 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1771 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1772 | { |
1773 | IOHandlerRecord *ioh; | |
1774 | ||
8a7ddc38 FB |
1775 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1776 | if (!ioh) | |
c4b1fcc0 | 1777 | return -1; |
c4b1fcc0 FB |
1778 | ioh->fd = fd; |
1779 | ioh->fd_can_read = fd_can_read; | |
1780 | ioh->fd_read = fd_read; | |
1781 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1782 | ioh->next = first_io_handler; |
1783 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1784 | return 0; |
1785 | } | |
1786 | ||
8a7ddc38 FB |
1787 | void qemu_del_fd_read_handler(int fd) |
1788 | { | |
1789 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1790 | |
8a7ddc38 FB |
1791 | pioh = &first_io_handler; |
1792 | for(;;) { | |
1793 | ioh = *pioh; | |
1794 | if (ioh == NULL) | |
1795 | break; | |
1796 | if (ioh->fd == fd) { | |
1797 | *pioh = ioh->next; | |
1798 | break; | |
1799 | } | |
1800 | pioh = &ioh->next; | |
1801 | } | |
1802 | } | |
1803 | ||
1804 | /***********************************************************/ | |
1805 | /* savevm/loadvm support */ | |
1806 | ||
1807 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1808 | { |
8a7ddc38 | 1809 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1810 | } |
1811 | ||
8a7ddc38 | 1812 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1813 | { |
8a7ddc38 FB |
1814 | fputc(v, f); |
1815 | } | |
1816 | ||
1817 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1818 | { | |
1819 | qemu_put_byte(f, v >> 8); | |
1820 | qemu_put_byte(f, v); | |
1821 | } | |
1822 | ||
1823 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1824 | { | |
1825 | qemu_put_byte(f, v >> 24); | |
1826 | qemu_put_byte(f, v >> 16); | |
1827 | qemu_put_byte(f, v >> 8); | |
1828 | qemu_put_byte(f, v); | |
1829 | } | |
1830 | ||
1831 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1832 | { | |
1833 | qemu_put_be32(f, v >> 32); | |
1834 | qemu_put_be32(f, v); | |
1835 | } | |
1836 | ||
1837 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1838 | { | |
1839 | return fread(buf, 1, size, f); | |
1840 | } | |
1841 | ||
1842 | int qemu_get_byte(QEMUFile *f) | |
1843 | { | |
1844 | int v; | |
1845 | v = fgetc(f); | |
1846 | if (v == EOF) | |
1847 | return 0; | |
1848 | else | |
1849 | return v; | |
1850 | } | |
1851 | ||
1852 | unsigned int qemu_get_be16(QEMUFile *f) | |
1853 | { | |
1854 | unsigned int v; | |
1855 | v = qemu_get_byte(f) << 8; | |
1856 | v |= qemu_get_byte(f); | |
1857 | return v; | |
1858 | } | |
1859 | ||
1860 | unsigned int qemu_get_be32(QEMUFile *f) | |
1861 | { | |
1862 | unsigned int v; | |
1863 | v = qemu_get_byte(f) << 24; | |
1864 | v |= qemu_get_byte(f) << 16; | |
1865 | v |= qemu_get_byte(f) << 8; | |
1866 | v |= qemu_get_byte(f); | |
1867 | return v; | |
1868 | } | |
1869 | ||
1870 | uint64_t qemu_get_be64(QEMUFile *f) | |
1871 | { | |
1872 | uint64_t v; | |
1873 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1874 | v |= qemu_get_be32(f); | |
1875 | return v; | |
1876 | } | |
1877 | ||
1878 | int64_t qemu_ftell(QEMUFile *f) | |
1879 | { | |
1880 | return ftell(f); | |
1881 | } | |
1882 | ||
1883 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1884 | { | |
1885 | if (fseek(f, pos, whence) < 0) | |
1886 | return -1; | |
1887 | return ftell(f); | |
1888 | } | |
1889 | ||
1890 | typedef struct SaveStateEntry { | |
1891 | char idstr[256]; | |
1892 | int instance_id; | |
1893 | int version_id; | |
1894 | SaveStateHandler *save_state; | |
1895 | LoadStateHandler *load_state; | |
1896 | void *opaque; | |
1897 | struct SaveStateEntry *next; | |
1898 | } SaveStateEntry; | |
b4608c04 | 1899 | |
8a7ddc38 FB |
1900 | static SaveStateEntry *first_se; |
1901 | ||
1902 | int register_savevm(const char *idstr, | |
1903 | int instance_id, | |
1904 | int version_id, | |
1905 | SaveStateHandler *save_state, | |
1906 | LoadStateHandler *load_state, | |
1907 | void *opaque) | |
1908 | { | |
1909 | SaveStateEntry *se, **pse; | |
1910 | ||
1911 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1912 | if (!se) | |
1913 | return -1; | |
1914 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1915 | se->instance_id = instance_id; | |
1916 | se->version_id = version_id; | |
1917 | se->save_state = save_state; | |
1918 | se->load_state = load_state; | |
1919 | se->opaque = opaque; | |
1920 | se->next = NULL; | |
1921 | ||
1922 | /* add at the end of list */ | |
1923 | pse = &first_se; | |
1924 | while (*pse != NULL) | |
1925 | pse = &(*pse)->next; | |
1926 | *pse = se; | |
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1931 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1932 | ||
1933 | int qemu_savevm(const char *filename) | |
1934 | { | |
1935 | SaveStateEntry *se; | |
1936 | QEMUFile *f; | |
1937 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1938 | ||
1939 | saved_vm_running = vm_running; | |
1940 | vm_stop(0); | |
1941 | ||
1942 | f = fopen(filename, "wb"); | |
1943 | if (!f) { | |
1944 | ret = -1; | |
1945 | goto the_end; | |
313aa567 FB |
1946 | } |
1947 | ||
8a7ddc38 FB |
1948 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1949 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1950 | ||
1951 | for(se = first_se; se != NULL; se = se->next) { | |
1952 | /* ID string */ | |
1953 | len = strlen(se->idstr); | |
1954 | qemu_put_byte(f, len); | |
1955 | qemu_put_buffer(f, se->idstr, len); | |
1956 | ||
1957 | qemu_put_be32(f, se->instance_id); | |
1958 | qemu_put_be32(f, se->version_id); | |
1959 | ||
1960 | /* record size: filled later */ | |
1961 | len_pos = ftell(f); | |
1962 | qemu_put_be32(f, 0); | |
1963 | ||
1964 | se->save_state(f, se->opaque); | |
1965 | ||
1966 | /* fill record size */ | |
1967 | cur_pos = ftell(f); | |
1968 | len = ftell(f) - len_pos - 4; | |
1969 | fseek(f, len_pos, SEEK_SET); | |
1970 | qemu_put_be32(f, len); | |
1971 | fseek(f, cur_pos, SEEK_SET); | |
1972 | } | |
1973 | ||
1974 | fclose(f); | |
1975 | ret = 0; | |
1976 | the_end: | |
1977 | if (saved_vm_running) | |
1978 | vm_start(); | |
1979 | return ret; | |
1980 | } | |
1981 | ||
1982 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1983 | { | |
1984 | SaveStateEntry *se; | |
1985 | ||
1986 | for(se = first_se; se != NULL; se = se->next) { | |
1987 | if (!strcmp(se->idstr, idstr) && | |
1988 | instance_id == se->instance_id) | |
1989 | return se; | |
1990 | } | |
1991 | return NULL; | |
1992 | } | |
1993 | ||
1994 | int qemu_loadvm(const char *filename) | |
1995 | { | |
1996 | SaveStateEntry *se; | |
1997 | QEMUFile *f; | |
1998 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1999 | int saved_vm_running; | |
2000 | unsigned int v; | |
2001 | char idstr[256]; | |
2002 | ||
2003 | saved_vm_running = vm_running; | |
2004 | vm_stop(0); | |
2005 | ||
2006 | f = fopen(filename, "rb"); | |
2007 | if (!f) { | |
2008 | ret = -1; | |
2009 | goto the_end; | |
2010 | } | |
2011 | ||
2012 | v = qemu_get_be32(f); | |
2013 | if (v != QEMU_VM_FILE_MAGIC) | |
2014 | goto fail; | |
2015 | v = qemu_get_be32(f); | |
2016 | if (v != QEMU_VM_FILE_VERSION) { | |
2017 | fail: | |
2018 | fclose(f); | |
2019 | ret = -1; | |
2020 | goto the_end; | |
2021 | } | |
b4608c04 | 2022 | for(;;) { |
a541f297 | 2023 | #if defined (DO_TB_FLUSH) |
d927637d | 2024 | tb_flush(global_env); |
a541f297 | 2025 | #endif |
8a7ddc38 FB |
2026 | len = qemu_get_byte(f); |
2027 | if (feof(f)) | |
cd4c3e88 | 2028 | break; |
8a7ddc38 FB |
2029 | qemu_get_buffer(f, idstr, len); |
2030 | idstr[len] = '\0'; | |
2031 | instance_id = qemu_get_be32(f); | |
2032 | version_id = qemu_get_be32(f); | |
2033 | record_len = qemu_get_be32(f); | |
2034 | #if 0 | |
2035 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
2036 | idstr, instance_id, version_id, record_len); | |
2037 | #endif | |
2038 | cur_pos = ftell(f); | |
2039 | se = find_se(idstr, instance_id); | |
2040 | if (!se) { | |
2041 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
2042 | instance_id, idstr); | |
2043 | } else { | |
2044 | ret = se->load_state(f, se->opaque, version_id); | |
2045 | if (ret < 0) { | |
2046 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
2047 | instance_id, idstr); | |
2048 | } | |
34865134 | 2049 | } |
8a7ddc38 FB |
2050 | /* always seek to exact end of record */ |
2051 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
2052 | } | |
2053 | fclose(f); | |
2054 | ret = 0; | |
2055 | the_end: | |
2056 | if (saved_vm_running) | |
2057 | vm_start(); | |
2058 | return ret; | |
2059 | } | |
2060 | ||
2061 | /***********************************************************/ | |
2062 | /* cpu save/restore */ | |
2063 | ||
2064 | #if defined(TARGET_I386) | |
2065 | ||
2066 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
2067 | { | |
02ba45c5 | 2068 | qemu_put_be32(f, dt->selector); |
20f32282 | 2069 | qemu_put_betl(f, dt->base); |
8a7ddc38 FB |
2070 | qemu_put_be32(f, dt->limit); |
2071 | qemu_put_be32(f, dt->flags); | |
2072 | } | |
2073 | ||
2074 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
2075 | { | |
02ba45c5 | 2076 | dt->selector = qemu_get_be32(f); |
20f32282 | 2077 | dt->base = qemu_get_betl(f); |
8a7ddc38 FB |
2078 | dt->limit = qemu_get_be32(f); |
2079 | dt->flags = qemu_get_be32(f); | |
2080 | } | |
2081 | ||
2082 | void cpu_save(QEMUFile *f, void *opaque) | |
2083 | { | |
2084 | CPUState *env = opaque; | |
664e0f19 | 2085 | uint16_t fptag, fpus, fpuc, fpregs_format; |
8a7ddc38 FB |
2086 | uint32_t hflags; |
2087 | int i; | |
664e0f19 | 2088 | |
20f32282 FB |
2089 | for(i = 0; i < CPU_NB_REGS; i++) |
2090 | qemu_put_betls(f, &env->regs[i]); | |
2091 | qemu_put_betls(f, &env->eip); | |
2092 | qemu_put_betls(f, &env->eflags); | |
8a7ddc38 FB |
2093 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ |
2094 | qemu_put_be32s(f, &hflags); | |
2095 | ||
2096 | /* FPU */ | |
2097 | fpuc = env->fpuc; | |
2098 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
2099 | fptag = 0; | |
664e0f19 FB |
2100 | for(i = 0; i < 8; i++) { |
2101 | fptag |= ((!env->fptags[i]) << i); | |
8a7ddc38 FB |
2102 | } |
2103 | ||
2104 | qemu_put_be16s(f, &fpuc); | |
2105 | qemu_put_be16s(f, &fpus); | |
2106 | qemu_put_be16s(f, &fptag); | |
2107 | ||
664e0f19 FB |
2108 | #ifdef USE_X86LDOUBLE |
2109 | fpregs_format = 0; | |
2110 | #else | |
2111 | fpregs_format = 1; | |
2112 | #endif | |
2113 | qemu_put_be16s(f, &fpregs_format); | |
2114 | ||
8a7ddc38 | 2115 | for(i = 0; i < 8; i++) { |
664e0f19 | 2116 | #ifdef USE_X86LDOUBLE |
8636b5d8 FB |
2117 | { |
2118 | uint64_t mant; | |
2119 | uint16_t exp; | |
2120 | /* we save the real CPU data (in case of MMX usage only 'mant' | |
2121 | contains the MMX register */ | |
2122 | cpu_get_fp80(&mant, &exp, env->fpregs[i].d); | |
2123 | qemu_put_be64(f, mant); | |
2124 | qemu_put_be16(f, exp); | |
2125 | } | |
664e0f19 FB |
2126 | #else |
2127 | /* if we use doubles for float emulation, we save the doubles to | |
2128 | avoid losing information in case of MMX usage. It can give | |
2129 | problems if the image is restored on a CPU where long | |
2130 | doubles are used instead. */ | |
8636b5d8 | 2131 | qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0)); |
664e0f19 | 2132 | #endif |
8a7ddc38 FB |
2133 | } |
2134 | ||
2135 | for(i = 0; i < 6; i++) | |
2136 | cpu_put_seg(f, &env->segs[i]); | |
2137 | cpu_put_seg(f, &env->ldt); | |
2138 | cpu_put_seg(f, &env->tr); | |
2139 | cpu_put_seg(f, &env->gdt); | |
2140 | cpu_put_seg(f, &env->idt); | |
2141 | ||
2142 | qemu_put_be32s(f, &env->sysenter_cs); | |
2143 | qemu_put_be32s(f, &env->sysenter_esp); | |
2144 | qemu_put_be32s(f, &env->sysenter_eip); | |
2145 | ||
20f32282 FB |
2146 | qemu_put_betls(f, &env->cr[0]); |
2147 | qemu_put_betls(f, &env->cr[2]); | |
2148 | qemu_put_betls(f, &env->cr[3]); | |
2149 | qemu_put_betls(f, &env->cr[4]); | |
8a7ddc38 FB |
2150 | |
2151 | for(i = 0; i < 8; i++) | |
20f32282 | 2152 | qemu_put_betls(f, &env->dr[i]); |
8a7ddc38 FB |
2153 | |
2154 | /* MMU */ | |
2155 | qemu_put_be32s(f, &env->a20_mask); | |
02536f8b | 2156 | |
664e0f19 FB |
2157 | /* XMM */ |
2158 | qemu_put_be32s(f, &env->mxcsr); | |
02536f8b FB |
2159 | for(i = 0; i < CPU_NB_REGS; i++) { |
2160 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
2161 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
2162 | } | |
2163 | ||
664e0f19 | 2164 | #ifdef TARGET_X86_64 |
02536f8b FB |
2165 | qemu_put_be64s(f, &env->efer); |
2166 | qemu_put_be64s(f, &env->star); | |
2167 | qemu_put_be64s(f, &env->lstar); | |
2168 | qemu_put_be64s(f, &env->cstar); | |
2169 | qemu_put_be64s(f, &env->fmask); | |
2170 | qemu_put_be64s(f, &env->kernelgsbase); | |
2171 | #endif | |
8a7ddc38 FB |
2172 | } |
2173 | ||
8636b5d8 | 2174 | #ifdef USE_X86LDOUBLE |
664e0f19 FB |
2175 | /* XXX: add that in a FPU generic layer */ |
2176 | union x86_longdouble { | |
2177 | uint64_t mant; | |
2178 | uint16_t exp; | |
2179 | }; | |
2180 | ||
2181 | #define MANTD1(fp) (fp & ((1LL << 52) - 1)) | |
2182 | #define EXPBIAS1 1023 | |
2183 | #define EXPD1(fp) ((fp >> 52) & 0x7FF) | |
2184 | #define SIGND1(fp) ((fp >> 32) & 0x80000000) | |
2185 | ||
2186 | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | |
2187 | { | |
2188 | int e; | |
2189 | /* mantissa */ | |
2190 | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | |
2191 | /* exponent + sign */ | |
2192 | e = EXPD1(temp) - EXPBIAS1 + 16383; | |
2193 | e |= SIGND1(temp) >> 16; | |
2194 | p->exp = e; | |
2195 | } | |
8636b5d8 | 2196 | #endif |
664e0f19 | 2197 | |
8a7ddc38 FB |
2198 | int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2199 | { | |
2200 | CPUState *env = opaque; | |
664e0f19 | 2201 | int i, guess_mmx; |
8a7ddc38 | 2202 | uint32_t hflags; |
664e0f19 | 2203 | uint16_t fpus, fpuc, fptag, fpregs_format; |
8a7ddc38 | 2204 | |
664e0f19 | 2205 | if (version_id != 3) |
8a7ddc38 | 2206 | return -EINVAL; |
20f32282 FB |
2207 | for(i = 0; i < CPU_NB_REGS; i++) |
2208 | qemu_get_betls(f, &env->regs[i]); | |
2209 | qemu_get_betls(f, &env->eip); | |
2210 | qemu_get_betls(f, &env->eflags); | |
8a7ddc38 FB |
2211 | qemu_get_be32s(f, &hflags); |
2212 | ||
2213 | qemu_get_be16s(f, &fpuc); | |
2214 | qemu_get_be16s(f, &fpus); | |
2215 | qemu_get_be16s(f, &fptag); | |
664e0f19 FB |
2216 | qemu_get_be16s(f, &fpregs_format); |
2217 | ||
2218 | /* NOTE: we cannot always restore the FPU state if the image come | |
2219 | from a host with a different 'USE_X86LDOUBLE' define. We guess | |
2220 | if we are in an MMX state to restore correctly in that case. */ | |
2221 | guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); | |
8a7ddc38 FB |
2222 | for(i = 0; i < 8; i++) { |
2223 | uint64_t mant; | |
2224 | uint16_t exp; | |
664e0f19 FB |
2225 | |
2226 | switch(fpregs_format) { | |
2227 | case 0: | |
2228 | mant = qemu_get_be64(f); | |
2229 | exp = qemu_get_be16(f); | |
2230 | #ifdef USE_X86LDOUBLE | |
2231 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
2232 | #else | |
2233 | /* difficult case */ | |
2234 | if (guess_mmx) | |
8636b5d8 | 2235 | env->fpregs[i].mmx.MMX_Q(0) = mant; |
664e0f19 FB |
2236 | else |
2237 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
2238 | #endif | |
2239 | break; | |
2240 | case 1: | |
2241 | mant = qemu_get_be64(f); | |
2242 | #ifdef USE_X86LDOUBLE | |
8636b5d8 FB |
2243 | { |
2244 | union x86_longdouble *p; | |
2245 | /* difficult case */ | |
2246 | p = (void *)&env->fpregs[i]; | |
2247 | if (guess_mmx) { | |
2248 | p->mant = mant; | |
2249 | p->exp = 0xffff; | |
2250 | } else { | |
2251 | fp64_to_fp80(p, mant); | |
2252 | } | |
664e0f19 FB |
2253 | } |
2254 | #else | |
8636b5d8 | 2255 | env->fpregs[i].mmx.MMX_Q(0) = mant; |
664e0f19 FB |
2256 | #endif |
2257 | break; | |
2258 | default: | |
2259 | return -EINVAL; | |
2260 | } | |
8a7ddc38 FB |
2261 | } |
2262 | ||
2263 | env->fpuc = fpuc; | |
2264 | env->fpstt = (fpus >> 11) & 7; | |
2265 | env->fpus = fpus & ~0x3800; | |
664e0f19 | 2266 | fptag ^= 0xff; |
8a7ddc38 | 2267 | for(i = 0; i < 8; i++) { |
664e0f19 | 2268 | env->fptags[i] = (fptag >> i) & 1; |
8a7ddc38 FB |
2269 | } |
2270 | ||
2271 | for(i = 0; i < 6; i++) | |
2272 | cpu_get_seg(f, &env->segs[i]); | |
2273 | cpu_get_seg(f, &env->ldt); | |
2274 | cpu_get_seg(f, &env->tr); | |
2275 | cpu_get_seg(f, &env->gdt); | |
2276 | cpu_get_seg(f, &env->idt); | |
2277 | ||
2278 | qemu_get_be32s(f, &env->sysenter_cs); | |
2279 | qemu_get_be32s(f, &env->sysenter_esp); | |
2280 | qemu_get_be32s(f, &env->sysenter_eip); | |
2281 | ||
20f32282 FB |
2282 | qemu_get_betls(f, &env->cr[0]); |
2283 | qemu_get_betls(f, &env->cr[2]); | |
2284 | qemu_get_betls(f, &env->cr[3]); | |
2285 | qemu_get_betls(f, &env->cr[4]); | |
8a7ddc38 FB |
2286 | |
2287 | for(i = 0; i < 8; i++) | |
20f32282 | 2288 | qemu_get_betls(f, &env->dr[i]); |
8a7ddc38 FB |
2289 | |
2290 | /* MMU */ | |
2291 | qemu_get_be32s(f, &env->a20_mask); | |
2292 | ||
664e0f19 | 2293 | qemu_get_be32s(f, &env->mxcsr); |
02536f8b FB |
2294 | for(i = 0; i < CPU_NB_REGS; i++) { |
2295 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
2296 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
2297 | } | |
2298 | ||
664e0f19 | 2299 | #ifdef TARGET_X86_64 |
02536f8b FB |
2300 | qemu_get_be64s(f, &env->efer); |
2301 | qemu_get_be64s(f, &env->star); | |
2302 | qemu_get_be64s(f, &env->lstar); | |
2303 | qemu_get_be64s(f, &env->cstar); | |
2304 | qemu_get_be64s(f, &env->fmask); | |
2305 | qemu_get_be64s(f, &env->kernelgsbase); | |
2306 | #endif | |
2307 | ||
8a7ddc38 FB |
2308 | /* XXX: compute hflags from scratch, except for CPL and IIF */ |
2309 | env->hflags = hflags; | |
2310 | tlb_flush(env, 1); | |
2311 | return 0; | |
2312 | } | |
2313 | ||
a541f297 FB |
2314 | #elif defined(TARGET_PPC) |
2315 | void cpu_save(QEMUFile *f, void *opaque) | |
2316 | { | |
2317 | } | |
2318 | ||
e95c8d51 FB |
2319 | int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2320 | { | |
2321 | return 0; | |
2322 | } | |
2323 | #elif defined(TARGET_SPARC) | |
2324 | void cpu_save(QEMUFile *f, void *opaque) | |
2325 | { | |
e80cfcfc FB |
2326 | CPUState *env = opaque; |
2327 | int i; | |
2328 | uint32_t tmp; | |
2329 | ||
2330 | for(i = 1; i < 8; i++) | |
2331 | qemu_put_be32s(f, &env->gregs[i]); | |
2332 | tmp = env->regwptr - env->regbase; | |
2333 | qemu_put_be32s(f, &tmp); | |
2334 | for(i = 1; i < NWINDOWS * 16 + 8; i++) | |
2335 | qemu_put_be32s(f, &env->regbase[i]); | |
2336 | ||
2337 | /* FPU */ | |
2338 | for(i = 0; i < 32; i++) { | |
2339 | uint64_t mant; | |
2340 | uint16_t exp; | |
2341 | cpu_get_fp64(&mant, &exp, env->fpr[i]); | |
2342 | qemu_put_be64(f, mant); | |
2343 | qemu_put_be16(f, exp); | |
2344 | } | |
2345 | qemu_put_be32s(f, &env->pc); | |
2346 | qemu_put_be32s(f, &env->npc); | |
2347 | qemu_put_be32s(f, &env->y); | |
2348 | tmp = GET_PSR(env); | |
2349 | qemu_put_be32s(f, &tmp); | |
2350 | qemu_put_be32s(f, &env->fsr); | |
2351 | qemu_put_be32s(f, &env->cwp); | |
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]); | |
e95c8d51 FB |
2357 | } |
2358 | ||
a541f297 FB |
2359 | int cpu_load(QEMUFile *f, void *opaque, int version_id) |
2360 | { | |
e80cfcfc FB |
2361 | CPUState *env = opaque; |
2362 | int i; | |
2363 | uint32_t tmp; | |
2364 | ||
2365 | for(i = 1; i < 8; i++) | |
2366 | qemu_get_be32s(f, &env->gregs[i]); | |
2367 | qemu_get_be32s(f, &tmp); | |
2368 | env->regwptr = env->regbase + tmp; | |
2369 | for(i = 1; i < NWINDOWS * 16 + 8; i++) | |
2370 | qemu_get_be32s(f, &env->regbase[i]); | |
2371 | ||
2372 | /* FPU */ | |
2373 | for(i = 0; i < 32; i++) { | |
2374 | uint64_t mant; | |
2375 | uint16_t exp; | |
2376 | ||
2377 | qemu_get_be64s(f, &mant); | |
2378 | qemu_get_be16s(f, &exp); | |
2379 | env->fpr[i] = cpu_put_fp64(mant, exp); | |
2380 | } | |
2381 | qemu_get_be32s(f, &env->pc); | |
2382 | qemu_get_be32s(f, &env->npc); | |
2383 | qemu_get_be32s(f, &env->y); | |
2384 | qemu_get_be32s(f, &tmp); | |
2385 | PUT_PSR(env, tmp); | |
2386 | qemu_get_be32s(f, &env->fsr); | |
2387 | qemu_get_be32s(f, &env->cwp); | |
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 | tlb_flush(env, 1); | |
a541f297 FB |
2394 | return 0; |
2395 | } | |
8a7ddc38 FB |
2396 | #else |
2397 | ||
2398 | #warning No CPU save/restore functions | |
2399 | ||
2400 | #endif | |
2401 | ||
2402 | /***********************************************************/ | |
2403 | /* ram save/restore */ | |
2404 | ||
2405 | /* we just avoid storing empty pages */ | |
2406 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
2407 | { | |
2408 | int i, v; | |
2409 | ||
2410 | v = buf[0]; | |
2411 | for(i = 1; i < len; i++) { | |
2412 | if (buf[i] != v) | |
2413 | goto normal_save; | |
2414 | } | |
2415 | qemu_put_byte(f, 1); | |
2416 | qemu_put_byte(f, v); | |
2417 | return; | |
2418 | normal_save: | |
2419 | qemu_put_byte(f, 0); | |
2420 | qemu_put_buffer(f, buf, len); | |
2421 | } | |
2422 | ||
2423 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
2424 | { | |
2425 | int v; | |
2426 | ||
2427 | v = qemu_get_byte(f); | |
2428 | switch(v) { | |
2429 | case 0: | |
2430 | if (qemu_get_buffer(f, buf, len) != len) | |
2431 | return -EIO; | |
2432 | break; | |
2433 | case 1: | |
2434 | v = qemu_get_byte(f); | |
2435 | memset(buf, v, len); | |
2436 | break; | |
2437 | default: | |
2438 | return -EINVAL; | |
2439 | } | |
2440 | return 0; | |
2441 | } | |
2442 | ||
2443 | static void ram_save(QEMUFile *f, void *opaque) | |
2444 | { | |
2445 | int i; | |
2446 | qemu_put_be32(f, phys_ram_size); | |
2447 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2448 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2449 | } | |
2450 | } | |
2451 | ||
2452 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
2453 | { | |
2454 | int i, ret; | |
2455 | ||
2456 | if (version_id != 1) | |
2457 | return -EINVAL; | |
2458 | if (qemu_get_be32(f) != phys_ram_size) | |
2459 | return -EINVAL; | |
2460 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2461 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2462 | if (ret) | |
2463 | return ret; | |
2464 | } | |
2465 | return 0; | |
2466 | } | |
2467 | ||
2468 | /***********************************************************/ | |
2469 | /* main execution loop */ | |
2470 | ||
2471 | void gui_update(void *opaque) | |
2472 | { | |
2473 | display_state.dpy_refresh(&display_state); | |
2474 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
2475 | } | |
2476 | ||
2477 | /* XXX: support several handlers */ | |
2478 | VMStopHandler *vm_stop_cb; | |
2479 | VMStopHandler *vm_stop_opaque; | |
2480 | ||
2481 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2482 | { | |
2483 | vm_stop_cb = cb; | |
2484 | vm_stop_opaque = opaque; | |
2485 | return 0; | |
2486 | } | |
2487 | ||
2488 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2489 | { | |
2490 | vm_stop_cb = NULL; | |
2491 | } | |
2492 | ||
2493 | void vm_start(void) | |
2494 | { | |
2495 | if (!vm_running) { | |
2496 | cpu_enable_ticks(); | |
2497 | vm_running = 1; | |
2498 | } | |
2499 | } | |
2500 | ||
2501 | void vm_stop(int reason) | |
2502 | { | |
2503 | if (vm_running) { | |
2504 | cpu_disable_ticks(); | |
2505 | vm_running = 0; | |
2506 | if (reason != 0) { | |
2507 | if (vm_stop_cb) { | |
2508 | vm_stop_cb(vm_stop_opaque, reason); | |
2509 | } | |
34865134 | 2510 | } |
8a7ddc38 FB |
2511 | } |
2512 | } | |
2513 | ||
bb0c6722 FB |
2514 | /* reset/shutdown handler */ |
2515 | ||
2516 | typedef struct QEMUResetEntry { | |
2517 | QEMUResetHandler *func; | |
2518 | void *opaque; | |
2519 | struct QEMUResetEntry *next; | |
2520 | } QEMUResetEntry; | |
2521 | ||
2522 | static QEMUResetEntry *first_reset_entry; | |
2523 | static int reset_requested; | |
2524 | static int shutdown_requested; | |
2525 | ||
2526 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
2527 | { | |
2528 | QEMUResetEntry **pre, *re; | |
2529 | ||
2530 | pre = &first_reset_entry; | |
2531 | while (*pre != NULL) | |
2532 | pre = &(*pre)->next; | |
2533 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
2534 | re->func = func; | |
2535 | re->opaque = opaque; | |
2536 | re->next = NULL; | |
2537 | *pre = re; | |
2538 | } | |
2539 | ||
2540 | void qemu_system_reset(void) | |
2541 | { | |
2542 | QEMUResetEntry *re; | |
2543 | ||
2544 | /* reset all devices */ | |
2545 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
2546 | re->func(re->opaque); | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | void qemu_system_reset_request(void) | |
2551 | { | |
2552 | reset_requested = 1; | |
2553 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2554 | } | |
2555 | ||
2556 | void qemu_system_shutdown_request(void) | |
2557 | { | |
2558 | shutdown_requested = 1; | |
2559 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2560 | } | |
2561 | ||
2562 | static void main_cpu_reset(void *opaque) | |
2563 | { | |
e80cfcfc | 2564 | #if defined(TARGET_I386) || defined(TARGET_SPARC) |
bb0c6722 FB |
2565 | CPUState *env = opaque; |
2566 | cpu_reset(env); | |
2567 | #endif | |
2568 | } | |
2569 | ||
5905b2e5 | 2570 | void main_loop_wait(int timeout) |
8a7ddc38 | 2571 | { |
67b915a5 | 2572 | #ifndef _WIN32 |
8a7ddc38 | 2573 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 2574 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
2575 | uint8_t buf[4096]; |
2576 | int n, max_size; | |
2577 | #endif | |
5905b2e5 | 2578 | int ret; |
c4b1fcc0 | 2579 | |
38e205a2 FB |
2580 | #ifdef _WIN32 |
2581 | if (timeout > 0) | |
2582 | Sleep(timeout); | |
2583 | #else | |
b4608c04 | 2584 | /* poll any events */ |
8a7ddc38 | 2585 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 2586 | pf = ufds; |
8a7ddc38 FB |
2587 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2588 | if (!ioh->fd_can_read) { | |
2589 | max_size = 0; | |
c4b1fcc0 FB |
2590 | pf->fd = ioh->fd; |
2591 | pf->events = POLLIN; | |
2592 | ioh->ufd = pf; | |
2593 | pf++; | |
2594 | } else { | |
8a7ddc38 FB |
2595 | max_size = ioh->fd_can_read(ioh->opaque); |
2596 | if (max_size > 0) { | |
2597 | if (max_size > sizeof(buf)) | |
2598 | max_size = sizeof(buf); | |
2599 | pf->fd = ioh->fd; | |
2600 | pf->events = POLLIN; | |
2601 | ioh->ufd = pf; | |
2602 | pf++; | |
2603 | } else { | |
2604 | ioh->ufd = NULL; | |
2605 | } | |
c4b1fcc0 FB |
2606 | } |
2607 | ioh->max_size = max_size; | |
b4608c04 | 2608 | } |
73332e5c | 2609 | |
b4608c04 FB |
2610 | ret = poll(ufds, pf - ufds, timeout); |
2611 | if (ret > 0) { | |
8a7ddc38 FB |
2612 | /* XXX: better handling of removal */ |
2613 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
2614 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
2615 | pf = ioh->ufd; |
2616 | if (pf) { | |
8a7ddc38 FB |
2617 | if (pf->revents & POLLIN) { |
2618 | if (ioh->max_size == 0) { | |
2619 | /* just a read event */ | |
2620 | ioh->fd_read(ioh->opaque, NULL, 0); | |
2621 | } else { | |
2622 | n = read(ioh->fd, buf, ioh->max_size); | |
2623 | if (n >= 0) { | |
2624 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 2625 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
2626 | ioh->fd_read(ioh->opaque, NULL, -errno); |
2627 | } | |
2628 | } | |
b4608c04 | 2629 | } |
b4608c04 | 2630 | } |
b4608c04 FB |
2631 | } |
2632 | } | |
5905b2e5 | 2633 | #endif /* !defined(_WIN32) */ |
c20709aa FB |
2634 | #if defined(CONFIG_SLIRP) |
2635 | /* XXX: merge with poll() */ | |
2636 | if (slirp_inited) { | |
2637 | fd_set rfds, wfds, xfds; | |
2638 | int nfds; | |
2639 | struct timeval tv; | |
2640 | ||
2641 | nfds = -1; | |
2642 | FD_ZERO(&rfds); | |
2643 | FD_ZERO(&wfds); | |
2644 | FD_ZERO(&xfds); | |
2645 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
2646 | tv.tv_sec = 0; | |
2647 | tv.tv_usec = 0; | |
2648 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
2649 | if (ret >= 0) { | |
2650 | slirp_select_poll(&rfds, &wfds, &xfds); | |
2651 | } | |
2652 | } | |
67b915a5 | 2653 | #endif |
b4608c04 | 2654 | |
8a7ddc38 FB |
2655 | if (vm_running) { |
2656 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
2657 | qemu_get_clock(vm_clock)); | |
8a7ddc38 FB |
2658 | /* run dma transfers, if any */ |
2659 | DMA_run(); | |
b4608c04 | 2660 | } |
313aa567 | 2661 | |
8a7ddc38 FB |
2662 | /* real time timers */ |
2663 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
2664 | qemu_get_clock(rt_clock)); | |
5905b2e5 FB |
2665 | } |
2666 | ||
2667 | int main_loop(void) | |
2668 | { | |
2669 | int ret, timeout; | |
2670 | CPUState *env = global_env; | |
2671 | ||
2672 | for(;;) { | |
2673 | if (vm_running) { | |
2674 | ret = cpu_exec(env); | |
2675 | if (shutdown_requested) { | |
2676 | ret = EXCP_INTERRUPT; | |
2677 | break; | |
2678 | } | |
2679 | if (reset_requested) { | |
2680 | reset_requested = 0; | |
2681 | qemu_system_reset(); | |
2682 | ret = EXCP_INTERRUPT; | |
2683 | } | |
2684 | if (ret == EXCP_DEBUG) { | |
2685 | vm_stop(EXCP_DEBUG); | |
2686 | } | |
2687 | /* if hlt instruction, we wait until the next IRQ */ | |
2688 | /* XXX: use timeout computed from timers */ | |
2689 | if (ret == EXCP_HLT) | |
2690 | timeout = 10; | |
2691 | else | |
2692 | timeout = 0; | |
2693 | } else { | |
2694 | timeout = 10; | |
2695 | } | |
2696 | main_loop_wait(timeout); | |
b4608c04 | 2697 | } |
34865134 FB |
2698 | cpu_disable_ticks(); |
2699 | return ret; | |
b4608c04 FB |
2700 | } |
2701 | ||
0824d6fc FB |
2702 | void help(void) |
2703 | { | |
aaaa7df6 | 2704 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 2705 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 2706 | "\n" |
a20dd508 | 2707 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 2708 | "\n" |
a20dd508 | 2709 | "Standard options:\n" |
c45886db | 2710 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
2711 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
2712 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 2713 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
9e89a4be | 2714 | "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 2715 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 2716 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 2717 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
4ca0074c | 2718 | #ifndef _WIN32 |
3d11d0eb | 2719 | "-k language use keyboard layout (for example \"fr\" for French)\n" |
4ca0074c | 2720 | #endif |
aaaa7df6 | 2721 | "-enable-audio enable audio support\n" |
89980284 | 2722 | "-localtime set the real time clock to local time [default=utc]\n" |
d63d307f | 2723 | "-full-screen start in full screen\n" |
bb0c6722 FB |
2724 | #ifdef TARGET_PPC |
2725 | "-prep Simulate a PREP system (default is PowerMAC)\n" | |
e9b137c2 | 2726 | "-g WxH[xDEPTH] Set the initial VGA graphic mode\n" |
bb0c6722 | 2727 | #endif |
c4b1fcc0 FB |
2728 | "\n" |
2729 | "Network options:\n" | |
c20709aa | 2730 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 2731 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
2732 | "-n script set tap/tun network init script [default=%s]\n" |
2733 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
2734 | #ifdef CONFIG_SLIRP | |
2735 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
9bf05444 | 2736 | "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n" |
c94c8d64 | 2737 | #ifndef _WIN32 |
9d728e8c | 2738 | "-smb dir allow SMB access to files in 'dir' [-user-net]\n" |
c94c8d64 | 2739 | #endif |
9bf05444 FB |
2740 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" |
2741 | " redirect TCP or UDP connections from host to guest [-user-net]\n" | |
c20709aa FB |
2742 | #endif |
2743 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 2744 | "\n" |
c4b1fcc0 | 2745 | "Linux boot specific:\n" |
a20dd508 FB |
2746 | "-kernel bzImage use 'bzImage' as kernel image\n" |
2747 | "-append cmdline use 'cmdline' as kernel command line\n" | |
2748 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 2749 | "\n" |
330d0414 | 2750 | "Debug/Expert options:\n" |
82c643ff FB |
2751 | "-monitor dev redirect the monitor to char device 'dev'\n" |
2752 | "-serial dev redirect the serial port to char device 'dev'\n" | |
f7cce898 | 2753 | "-pidfile file Write PID to 'file'\n" |
cd6f1169 | 2754 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
2755 | "-s wait gdb connection to port %d\n" |
2756 | "-p port change gdb connection port\n" | |
f193c797 | 2757 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
46d4767d FB |
2758 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" |
2759 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
a20dd508 | 2760 | "-L path set the directory for the BIOS and VGA BIOS\n" |
77fef8c1 FB |
2761 | #ifdef USE_CODE_COPY |
2762 | "-no-code-copy disable code copy acceleration\n" | |
2763 | #endif | |
bb0c6722 FB |
2764 | #ifdef TARGET_I386 |
2765 | "-isa simulate an ISA-only system (default is PCI system)\n" | |
1bfe856e FB |
2766 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" |
2767 | " (default is CL-GD5446 PCI VGA)\n" | |
bb0c6722 | 2768 | #endif |
d63d307f | 2769 | "-loadvm file start right away with a saved state (loadvm in monitor)\n" |
0824d6fc | 2770 | "\n" |
82c643ff | 2771 | "During emulation, the following keys are useful:\n" |
032a8c9e FB |
2772 | "ctrl-alt-f toggle full screen\n" |
2773 | "ctrl-alt-n switch to virtual console 'n'\n" | |
2774 | "ctrl-alt toggle mouse and keyboard grab\n" | |
82c643ff FB |
2775 | "\n" |
2776 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
2777 | , | |
0db63474 FB |
2778 | #ifdef CONFIG_SOFTMMU |
2779 | "qemu", | |
2780 | #else | |
2781 | "qemu-fast", | |
2782 | #endif | |
a00bad7e FB |
2783 | DEFAULT_RAM_SIZE, |
2784 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
2785 | DEFAULT_GDBSTUB_PORT, |
2786 | "/tmp/qemu.log"); | |
0db63474 FB |
2787 | #ifndef CONFIG_SOFTMMU |
2788 | printf("\n" | |
2789 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
2790 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
2791 | "PC emulation.\n"); | |
2792 | #endif | |
0824d6fc FB |
2793 | exit(1); |
2794 | } | |
2795 | ||
cd6f1169 FB |
2796 | #define HAS_ARG 0x0001 |
2797 | ||
2798 | enum { | |
2799 | QEMU_OPTION_h, | |
2800 | ||
2801 | QEMU_OPTION_fda, | |
2802 | QEMU_OPTION_fdb, | |
2803 | QEMU_OPTION_hda, | |
2804 | QEMU_OPTION_hdb, | |
2805 | QEMU_OPTION_hdc, | |
2806 | QEMU_OPTION_hdd, | |
2807 | QEMU_OPTION_cdrom, | |
2808 | QEMU_OPTION_boot, | |
2809 | QEMU_OPTION_snapshot, | |
2810 | QEMU_OPTION_m, | |
2811 | QEMU_OPTION_nographic, | |
2812 | QEMU_OPTION_enable_audio, | |
2813 | ||
2814 | QEMU_OPTION_nics, | |
2815 | QEMU_OPTION_macaddr, | |
2816 | QEMU_OPTION_n, | |
2817 | QEMU_OPTION_tun_fd, | |
2818 | QEMU_OPTION_user_net, | |
c7f74643 | 2819 | QEMU_OPTION_tftp, |
9d728e8c | 2820 | QEMU_OPTION_smb, |
9bf05444 | 2821 | QEMU_OPTION_redir, |
cd6f1169 FB |
2822 | QEMU_OPTION_dummy_net, |
2823 | ||
2824 | QEMU_OPTION_kernel, | |
2825 | QEMU_OPTION_append, | |
2826 | QEMU_OPTION_initrd, | |
2827 | ||
2828 | QEMU_OPTION_S, | |
2829 | QEMU_OPTION_s, | |
2830 | QEMU_OPTION_p, | |
2831 | QEMU_OPTION_d, | |
2832 | QEMU_OPTION_hdachs, | |
2833 | QEMU_OPTION_L, | |
2834 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2835 | QEMU_OPTION_pci, |
bb0c6722 | 2836 | QEMU_OPTION_isa, |
77d4bc34 | 2837 | QEMU_OPTION_prep, |
3d11d0eb | 2838 | QEMU_OPTION_k, |
ee22c2f7 | 2839 | QEMU_OPTION_localtime, |
1f04275e | 2840 | QEMU_OPTION_cirrusvga, |
e9b137c2 | 2841 | QEMU_OPTION_g, |
1bfe856e | 2842 | QEMU_OPTION_std_vga, |
82c643ff FB |
2843 | QEMU_OPTION_monitor, |
2844 | QEMU_OPTION_serial, | |
d63d307f FB |
2845 | QEMU_OPTION_loadvm, |
2846 | QEMU_OPTION_full_screen, | |
f7cce898 | 2847 | QEMU_OPTION_pidfile, |
cd6f1169 FB |
2848 | }; |
2849 | ||
2850 | typedef struct QEMUOption { | |
2851 | const char *name; | |
2852 | int flags; | |
2853 | int index; | |
2854 | } QEMUOption; | |
2855 | ||
2856 | const QEMUOption qemu_options[] = { | |
2857 | { "h", 0, QEMU_OPTION_h }, | |
2858 | ||
2859 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2860 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2861 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2862 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2863 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2864 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2865 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2866 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2867 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2868 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2869 | { "nographic", 0, QEMU_OPTION_nographic }, | |
3d11d0eb | 2870 | { "k", HAS_ARG, QEMU_OPTION_k }, |
cd6f1169 FB |
2871 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, |
2872 | ||
2873 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2874 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2875 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2876 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2877 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2878 | { "user-net", 0, QEMU_OPTION_user_net }, |
c7f74643 | 2879 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, |
c94c8d64 | 2880 | #ifndef _WIN32 |
9d728e8c | 2881 | { "smb", HAS_ARG, QEMU_OPTION_smb }, |
c94c8d64 | 2882 | #endif |
9bf05444 | 2883 | { "redir", HAS_ARG, QEMU_OPTION_redir }, |
158156d1 | 2884 | #endif |
cd6f1169 FB |
2885 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2886 | ||
2887 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2888 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2889 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2890 | ||
2891 | { "S", 0, QEMU_OPTION_S }, | |
2892 | { "s", 0, QEMU_OPTION_s }, | |
2893 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2894 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2895 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2896 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2897 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2898 | #ifdef TARGET_PPC |
2899 | { "prep", 0, QEMU_OPTION_prep }, | |
e9b137c2 | 2900 | { "g", 1, QEMU_OPTION_g }, |
77d4bc34 | 2901 | #endif |
ee22c2f7 | 2902 | { "localtime", 0, QEMU_OPTION_localtime }, |
bb0c6722 | 2903 | { "isa", 0, QEMU_OPTION_isa }, |
1bfe856e | 2904 | { "std-vga", 0, QEMU_OPTION_std_vga }, |
82c643ff FB |
2905 | { "monitor", 1, QEMU_OPTION_monitor }, |
2906 | { "serial", 1, QEMU_OPTION_serial }, | |
d63d307f FB |
2907 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, |
2908 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
f7cce898 FB |
2909 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, |
2910 | ||
1f04275e FB |
2911 | /* temporary options */ |
2912 | { "pci", 0, QEMU_OPTION_pci }, | |
2913 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
cd6f1169 | 2914 | { NULL }, |
fc01f7e7 FB |
2915 | }; |
2916 | ||
77fef8c1 FB |
2917 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2918 | ||
2919 | /* this stack is only used during signal handling */ | |
2920 | #define SIGNAL_STACK_SIZE 32768 | |
2921 | ||
2922 | static uint8_t *signal_stack; | |
2923 | ||
2924 | #endif | |
2925 | ||
5905b2e5 FB |
2926 | /* password input */ |
2927 | ||
2928 | static BlockDriverState *get_bdrv(int index) | |
2929 | { | |
2930 | BlockDriverState *bs; | |
2931 | ||
2932 | if (index < 4) { | |
2933 | bs = bs_table[index]; | |
2934 | } else if (index < 6) { | |
2935 | bs = fd_table[index - 4]; | |
2936 | } else { | |
2937 | bs = NULL; | |
2938 | } | |
2939 | return bs; | |
2940 | } | |
2941 | ||
2942 | static void read_passwords(void) | |
2943 | { | |
2944 | BlockDriverState *bs; | |
2945 | int i, j; | |
2946 | char password[256]; | |
2947 | ||
2948 | for(i = 0; i < 6; i++) { | |
2949 | bs = get_bdrv(i); | |
2950 | if (bs && bdrv_is_encrypted(bs)) { | |
2951 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
2952 | for(j = 0; j < 3; j++) { | |
2953 | monitor_readline("Password: ", | |
2954 | 1, password, sizeof(password)); | |
2955 | if (bdrv_set_key(bs, password) == 0) | |
2956 | break; | |
2957 | term_printf("invalid password\n"); | |
2958 | } | |
2959 | } | |
2960 | } | |
2961 | } | |
2962 | ||
c20709aa FB |
2963 | #define NET_IF_TUN 0 |
2964 | #define NET_IF_USER 1 | |
2965 | #define NET_IF_DUMMY 2 | |
2966 | ||
0824d6fc FB |
2967 | int main(int argc, char **argv) |
2968 | { | |
67b915a5 FB |
2969 | #ifdef CONFIG_GDBSTUB |
2970 | int use_gdbstub, gdbstub_port; | |
2971 | #endif | |
cd6f1169 | 2972 | int i, has_cdrom; |
1ccde1cb | 2973 | int snapshot, linux_boot; |
c45886db | 2974 | CPUState *env; |
7f7f9873 | 2975 | const char *initrd_filename; |
c45886db | 2976 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2977 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2978 | DisplayState *ds = &display_state; |
46d4767d | 2979 | int cyls, heads, secs, translation; |
a541f297 | 2980 | int start_emulation = 1; |
702c651c | 2981 | uint8_t macaddr[6]; |
c20709aa | 2982 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2983 | int optind; |
2984 | const char *r, *optarg; | |
82c643ff FB |
2985 | CharDriverState *monitor_hd; |
2986 | char monitor_device[128]; | |
8d11df9e FB |
2987 | char serial_devices[MAX_SERIAL_PORTS][128]; |
2988 | int serial_device_index; | |
d63d307f | 2989 | const char *loadvm = NULL; |
8d11df9e | 2990 | |
67b915a5 | 2991 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2992 | /* we never want that malloc() uses mmap() */ |
2993 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2994 | #endif |
fc01f7e7 | 2995 | initrd_filename = NULL; |
c45886db FB |
2996 | for(i = 0; i < MAX_FD; i++) |
2997 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2998 | for(i = 0; i < MAX_DISKS; i++) |
2999 | hd_filename[i] = NULL; | |
a00bad7e | 3000 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 3001 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 3002 | bios_size = BIOS_SIZE; |
f1510b2c | 3003 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 3004 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
3005 | use_gdbstub = 0; |
3006 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 3007 | #endif |
33e3963e | 3008 | snapshot = 0; |
a20dd508 FB |
3009 | nographic = 0; |
3010 | kernel_filename = NULL; | |
3011 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
3012 | has_cdrom = 1; |
3013 | cyls = heads = secs = 0; | |
46d4767d | 3014 | translation = BIOS_ATA_TRANSLATION_AUTO; |
82c643ff | 3015 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
c4b1fcc0 | 3016 | |
8d11df9e FB |
3017 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
3018 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
3019 | serial_devices[i][0] = '\0'; | |
3020 | serial_device_index = 0; | |
3021 | ||
c20709aa FB |
3022 | nb_tun_fds = 0; |
3023 | net_if_type = -1; | |
c4b1fcc0 | 3024 | nb_nics = 1; |
702c651c FB |
3025 | /* default mac address of the first network interface */ |
3026 | macaddr[0] = 0x52; | |
3027 | macaddr[1] = 0x54; | |
3028 | macaddr[2] = 0x00; | |
3029 | macaddr[3] = 0x12; | |
3030 | macaddr[4] = 0x34; | |
3031 | macaddr[5] = 0x56; | |
82c643ff | 3032 | |
cd6f1169 | 3033 | optind = 1; |
0824d6fc | 3034 | for(;;) { |
cd6f1169 | 3035 | if (optind >= argc) |
0824d6fc | 3036 | break; |
cd6f1169 FB |
3037 | r = argv[optind]; |
3038 | if (r[0] != '-') { | |
3039 | hd_filename[0] = argv[optind++]; | |
3040 | } else { | |
3041 | const QEMUOption *popt; | |
3042 | ||
3043 | optind++; | |
3044 | popt = qemu_options; | |
3045 | for(;;) { | |
3046 | if (!popt->name) { | |
3047 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
3048 | argv[0], r); | |
3049 | exit(1); | |
3050 | } | |
3051 | if (!strcmp(popt->name, r + 1)) | |
3052 | break; | |
3053 | popt++; | |
3054 | } | |
3055 | if (popt->flags & HAS_ARG) { | |
3056 | if (optind >= argc) { | |
3057 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
3058 | argv[0], r); | |
3059 | exit(1); | |
3060 | } | |
3061 | optarg = argv[optind++]; | |
3062 | } else { | |
3063 | optarg = NULL; | |
3064 | } | |
3065 | ||
3066 | switch(popt->index) { | |
3067 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
3068 | initrd_filename = optarg; |
3069 | break; | |
cd6f1169 | 3070 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
3071 | hd_filename[0] = optarg; |
3072 | break; | |
cd6f1169 | 3073 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
3074 | hd_filename[1] = optarg; |
3075 | break; | |
cd6f1169 | 3076 | case QEMU_OPTION_snapshot: |
33e3963e FB |
3077 | snapshot = 1; |
3078 | break; | |
cd6f1169 | 3079 | case QEMU_OPTION_hdachs: |
330d0414 | 3080 | { |
330d0414 FB |
3081 | const char *p; |
3082 | p = optarg; | |
3083 | cyls = strtol(p, (char **)&p, 0); | |
46d4767d FB |
3084 | if (cyls < 1 || cyls > 16383) |
3085 | goto chs_fail; | |
330d0414 FB |
3086 | if (*p != ',') |
3087 | goto chs_fail; | |
3088 | p++; | |
3089 | heads = strtol(p, (char **)&p, 0); | |
46d4767d FB |
3090 | if (heads < 1 || heads > 16) |
3091 | goto chs_fail; | |
330d0414 FB |
3092 | if (*p != ',') |
3093 | goto chs_fail; | |
3094 | p++; | |
3095 | secs = strtol(p, (char **)&p, 0); | |
46d4767d FB |
3096 | if (secs < 1 || secs > 63) |
3097 | goto chs_fail; | |
3098 | if (*p == ',') { | |
3099 | p++; | |
3100 | if (!strcmp(p, "none")) | |
3101 | translation = BIOS_ATA_TRANSLATION_NONE; | |
3102 | else if (!strcmp(p, "lba")) | |
3103 | translation = BIOS_ATA_TRANSLATION_LBA; | |
3104 | else if (!strcmp(p, "auto")) | |
3105 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
3106 | else | |
3107 | goto chs_fail; | |
3108 | } else if (*p != '\0') { | |
c4b1fcc0 | 3109 | chs_fail: |
46d4767d FB |
3110 | fprintf(stderr, "qemu: invalid physical CHS format\n"); |
3111 | exit(1); | |
c4b1fcc0 | 3112 | } |
330d0414 FB |
3113 | } |
3114 | break; | |
cd6f1169 | 3115 | case QEMU_OPTION_nographic: |
82c643ff | 3116 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
8d11df9e | 3117 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
a20dd508 FB |
3118 | nographic = 1; |
3119 | break; | |
cd6f1169 | 3120 | case QEMU_OPTION_kernel: |
a20dd508 FB |
3121 | kernel_filename = optarg; |
3122 | break; | |
cd6f1169 | 3123 | case QEMU_OPTION_append: |
a20dd508 | 3124 | kernel_cmdline = optarg; |
313aa567 | 3125 | break; |
cd6f1169 | 3126 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
3127 | { |
3128 | const char *p; | |
3129 | int fd; | |
d6b86f4d | 3130 | net_if_type = NET_IF_TUN; |
c20709aa FB |
3131 | if (nb_tun_fds < MAX_NICS) { |
3132 | fd = strtol(optarg, (char **)&p, 0); | |
3133 | if (*p != '\0') { | |
3134 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
3135 | exit(1); |
3136 | } | |
c20709aa | 3137 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
3138 | } |
3139 | } | |
42f1e0e4 | 3140 | break; |
cd6f1169 | 3141 | case QEMU_OPTION_hdc: |
36b486bb | 3142 | hd_filename[2] = optarg; |
c4b1fcc0 | 3143 | has_cdrom = 0; |
36b486bb | 3144 | break; |
cd6f1169 | 3145 | case QEMU_OPTION_hdd: |
36b486bb FB |
3146 | hd_filename[3] = optarg; |
3147 | break; | |
cd6f1169 | 3148 | case QEMU_OPTION_cdrom: |
36b486bb | 3149 | hd_filename[2] = optarg; |
c4b1fcc0 | 3150 | has_cdrom = 1; |
36b486bb | 3151 | break; |
cd6f1169 | 3152 | case QEMU_OPTION_boot: |
36b486bb | 3153 | boot_device = optarg[0]; |
9e89a4be | 3154 | if (boot_device != 'a' && |
c45886db | 3155 | boot_device != 'c' && boot_device != 'd') { |
36b486bb FB |
3156 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
3157 | exit(1); | |
3158 | } | |
3159 | break; | |
cd6f1169 | 3160 | case QEMU_OPTION_fda: |
c45886db FB |
3161 | fd_filename[0] = optarg; |
3162 | break; | |
cd6f1169 | 3163 | case QEMU_OPTION_fdb: |
c45886db FB |
3164 | fd_filename[1] = optarg; |
3165 | break; | |
cd6f1169 | 3166 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
3167 | code_copy_enabled = 0; |
3168 | break; | |
cd6f1169 | 3169 | case QEMU_OPTION_nics: |
c4b1fcc0 | 3170 | nb_nics = atoi(optarg); |
3a1bc175 | 3171 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
3172 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
3173 | exit(1); | |
3174 | } | |
3175 | break; | |
cd6f1169 | 3176 | case QEMU_OPTION_macaddr: |
702c651c FB |
3177 | { |
3178 | const char *p; | |
3179 | int i; | |
3180 | p = optarg; | |
3181 | for(i = 0; i < 6; i++) { | |
3182 | macaddr[i] = strtol(p, (char **)&p, 16); | |
3183 | if (i == 5) { | |
3184 | if (*p != '\0') | |
3185 | goto macaddr_error; | |
3186 | } else { | |
3187 | if (*p != ':') { | |
3188 | macaddr_error: | |
3189 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
3190 | exit(1); | |
3191 | } | |
3192 | p++; | |
3193 | } | |
3194 | } | |
3195 | } | |
3196 | break; | |
c7f74643 FB |
3197 | #ifdef CONFIG_SLIRP |
3198 | case QEMU_OPTION_tftp: | |
c7f74643 | 3199 | tftp_prefix = optarg; |
9bf05444 | 3200 | break; |
c94c8d64 | 3201 | #ifndef _WIN32 |
9d728e8c FB |
3202 | case QEMU_OPTION_smb: |
3203 | net_slirp_smb(optarg); | |
3204 | break; | |
c94c8d64 | 3205 | #endif |
cd6f1169 | 3206 | case QEMU_OPTION_user_net: |
c20709aa FB |
3207 | net_if_type = NET_IF_USER; |
3208 | break; | |
9bf05444 FB |
3209 | case QEMU_OPTION_redir: |
3210 | net_slirp_redir(optarg); | |
3211 | break; | |
c7f74643 | 3212 | #endif |
cd6f1169 | 3213 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
3214 | net_if_type = NET_IF_DUMMY; |
3215 | break; | |
cd6f1169 | 3216 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
3217 | audio_enabled = 1; |
3218 | break; | |
cd6f1169 | 3219 | case QEMU_OPTION_h: |
0824d6fc | 3220 | help(); |
cd6f1169 FB |
3221 | break; |
3222 | case QEMU_OPTION_m: | |
3223 | ram_size = atoi(optarg) * 1024 * 1024; | |
3224 | if (ram_size <= 0) | |
3225 | help(); | |
3226 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
3227 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
3228 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
3229 | exit(1); | |
3230 | } | |
3231 | break; | |
3232 | case QEMU_OPTION_d: | |
3233 | { | |
3234 | int mask; | |
3235 | CPULogItem *item; | |
3236 | ||
3237 | mask = cpu_str_to_log_mask(optarg); | |
3238 | if (!mask) { | |
3239 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
3240 | for(item = cpu_log_items; item->mask != 0; item++) { |
3241 | printf("%-10s %s\n", item->name, item->help); | |
3242 | } | |
3243 | exit(1); | |
cd6f1169 FB |
3244 | } |
3245 | cpu_set_log(mask); | |
f193c797 | 3246 | } |
cd6f1169 FB |
3247 | break; |
3248 | case QEMU_OPTION_n: | |
3249 | pstrcpy(network_script, sizeof(network_script), optarg); | |
3250 | break; | |
67b915a5 | 3251 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
3252 | case QEMU_OPTION_s: |
3253 | use_gdbstub = 1; | |
3254 | break; | |
3255 | case QEMU_OPTION_p: | |
3256 | gdbstub_port = atoi(optarg); | |
3257 | break; | |
67b915a5 | 3258 | #endif |
cd6f1169 FB |
3259 | case QEMU_OPTION_L: |
3260 | bios_dir = optarg; | |
3261 | break; | |
3262 | case QEMU_OPTION_S: | |
3263 | start_emulation = 0; | |
3264 | break; | |
69b91039 FB |
3265 | case QEMU_OPTION_pci: |
3266 | pci_enabled = 1; | |
3267 | break; | |
bb0c6722 FB |
3268 | case QEMU_OPTION_isa: |
3269 | pci_enabled = 0; | |
3270 | break; | |
77d4bc34 FB |
3271 | case QEMU_OPTION_prep: |
3272 | prep_enabled = 1; | |
3273 | break; | |
3d11d0eb FB |
3274 | case QEMU_OPTION_k: |
3275 | keyboard_layout = optarg; | |
3276 | break; | |
ee22c2f7 FB |
3277 | case QEMU_OPTION_localtime: |
3278 | rtc_utc = 0; | |
3279 | break; | |
1f04275e FB |
3280 | case QEMU_OPTION_cirrusvga: |
3281 | cirrus_vga_enabled = 1; | |
3282 | break; | |
1bfe856e FB |
3283 | case QEMU_OPTION_std_vga: |
3284 | cirrus_vga_enabled = 0; | |
3285 | break; | |
e9b137c2 FB |
3286 | case QEMU_OPTION_g: |
3287 | { | |
3288 | const char *p; | |
3289 | int w, h, depth; | |
3290 | p = optarg; | |
3291 | w = strtol(p, (char **)&p, 10); | |
3292 | if (w <= 0) { | |
3293 | graphic_error: | |
3294 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
3295 | exit(1); | |
3296 | } | |
3297 | if (*p != 'x') | |
3298 | goto graphic_error; | |
3299 | p++; | |
3300 | h = strtol(p, (char **)&p, 10); | |
3301 | if (h <= 0) | |
3302 | goto graphic_error; | |
3303 | if (*p == 'x') { | |
3304 | p++; | |
3305 | depth = strtol(p, (char **)&p, 10); | |
3306 | if (depth != 8 && depth != 15 && depth != 16 && | |
3307 | depth != 24 && depth != 32) | |
3308 | goto graphic_error; | |
3309 | } else if (*p == '\0') { | |
3310 | depth = graphic_depth; | |
3311 | } else { | |
3312 | goto graphic_error; | |
3313 | } | |
3314 | ||
3315 | graphic_width = w; | |
3316 | graphic_height = h; | |
3317 | graphic_depth = depth; | |
3318 | } | |
3319 | break; | |
82c643ff FB |
3320 | case QEMU_OPTION_monitor: |
3321 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
3322 | break; | |
3323 | case QEMU_OPTION_serial: | |
8d11df9e FB |
3324 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
3325 | fprintf(stderr, "qemu: too many serial ports\n"); | |
3326 | exit(1); | |
3327 | } | |
3328 | pstrcpy(serial_devices[serial_device_index], | |
3329 | sizeof(serial_devices[0]), optarg); | |
3330 | serial_device_index++; | |
82c643ff | 3331 | break; |
d63d307f FB |
3332 | case QEMU_OPTION_loadvm: |
3333 | loadvm = optarg; | |
3334 | break; | |
3335 | case QEMU_OPTION_full_screen: | |
3336 | full_screen = 1; | |
3337 | break; | |
f7cce898 FB |
3338 | case QEMU_OPTION_pidfile: |
3339 | create_pidfile(optarg); | |
3340 | break; | |
cd6f1169 | 3341 | } |
0824d6fc FB |
3342 | } |
3343 | } | |
330d0414 | 3344 | |
a20dd508 | 3345 | linux_boot = (kernel_filename != NULL); |
330d0414 | 3346 | |
c45886db FB |
3347 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
3348 | fd_filename[0] == '\0') | |
0824d6fc | 3349 | help(); |
8f2b1fb0 FB |
3350 | |
3351 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
3352 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
3353 | if (fd_filename[0] != '\0') | |
3354 | boot_device = 'a'; | |
3355 | else | |
3356 | boot_device = 'd'; | |
3357 | } | |
0824d6fc | 3358 | |
dc887a4d FB |
3359 | #if !defined(CONFIG_SOFTMMU) |
3360 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
3361 | { | |
3362 | static uint8_t stdout_buf[4096]; | |
3363 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
3364 | } | |
3365 | #else | |
b118d61e | 3366 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 3367 | #endif |
0824d6fc | 3368 | |
c4b1fcc0 | 3369 | /* init host network redirectors */ |
c20709aa FB |
3370 | if (net_if_type == -1) { |
3371 | net_if_type = NET_IF_TUN; | |
3372 | #if defined(CONFIG_SLIRP) | |
3373 | if (access(network_script, R_OK) < 0) { | |
3374 | net_if_type = NET_IF_USER; | |
3375 | } | |
3376 | #endif | |
3377 | } | |
3378 | ||
3379 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 3380 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 3381 | nd->index = i; |
702c651c FB |
3382 | /* init virtual mac address */ |
3383 | nd->macaddr[0] = macaddr[0]; | |
3384 | nd->macaddr[1] = macaddr[1]; | |
3385 | nd->macaddr[2] = macaddr[2]; | |
3386 | nd->macaddr[3] = macaddr[3]; | |
3387 | nd->macaddr[4] = macaddr[4]; | |
3388 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
3389 | switch(net_if_type) { |
3390 | #if defined(CONFIG_SLIRP) | |
3391 | case NET_IF_USER: | |
3392 | net_slirp_init(nd); | |
3393 | break; | |
3394 | #endif | |
3395 | #if !defined(_WIN32) | |
3396 | case NET_IF_TUN: | |
3397 | if (i < nb_tun_fds) { | |
3398 | net_fd_init(nd, tun_fds[i]); | |
3399 | } else { | |
d927637d FB |
3400 | if (net_tun_init(nd) < 0) |
3401 | net_dummy_init(nd); | |
c20709aa FB |
3402 | } |
3403 | break; | |
3404 | #endif | |
3405 | case NET_IF_DUMMY: | |
3406 | default: | |
3407 | net_dummy_init(nd); | |
3408 | break; | |
3409 | } | |
702c651c | 3410 | } |
f1510b2c | 3411 | |
0824d6fc | 3412 | /* init the memory */ |
0ced6589 | 3413 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
3414 | |
3415 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 | 3416 | #ifdef _BSD |
83fb7adf FB |
3417 | /* mallocs are always aligned on BSD. valloc is better for correctness */ |
3418 | phys_ram_base = valloc(phys_ram_size); | |
7d3505c5 | 3419 | #else |
1ccde1cb | 3420 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 3421 | #endif |
7f7f9873 FB |
3422 | if (!phys_ram_base) { |
3423 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
3424 | exit(1); |
3425 | } | |
7f7f9873 FB |
3426 | #else |
3427 | /* as we must map the same page at several addresses, we must use | |
3428 | a fd */ | |
3429 | { | |
3430 | const char *tmpdir; | |
3431 | ||
3432 | tmpdir = getenv("QEMU_TMPDIR"); | |
3433 | if (!tmpdir) | |
3434 | tmpdir = "/tmp"; | |
3435 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
3436 | if (mkstemp(phys_ram_file) < 0) { | |
3437 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
3438 | phys_ram_file); | |
3439 | exit(1); | |
3440 | } | |
3441 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
3442 | if (phys_ram_fd < 0) { | |
3443 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
3444 | phys_ram_file); | |
3445 | exit(1); | |
3446 | } | |
1ccde1cb | 3447 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 3448 | unlink(phys_ram_file); |
1ccde1cb FB |
3449 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
3450 | phys_ram_size, | |
7f7f9873 FB |
3451 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
3452 | phys_ram_fd, 0); | |
3453 | if (phys_ram_base == MAP_FAILED) { | |
3454 | fprintf(stderr, "Could not map physical memory\n"); | |
3455 | exit(1); | |
3456 | } | |
3457 | } | |
3458 | #endif | |
0824d6fc | 3459 | |
c4b1fcc0 | 3460 | /* we always create the cdrom drive, even if no disk is there */ |
5905b2e5 | 3461 | bdrv_init(); |
c4b1fcc0 FB |
3462 | if (has_cdrom) { |
3463 | bs_table[2] = bdrv_new("cdrom"); | |
3464 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
3465 | } | |
3466 | ||
33e3963e FB |
3467 | /* open the virtual block devices */ |
3468 | for(i = 0; i < MAX_DISKS; i++) { | |
3469 | if (hd_filename[i]) { | |
33e3963e | 3470 | if (!bs_table[i]) { |
c4b1fcc0 FB |
3471 | char buf[64]; |
3472 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
3473 | bs_table[i] = bdrv_new(buf); | |
3474 | } | |
3475 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
5905b2e5 | 3476 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", |
33e3963e FB |
3477 | hd_filename[i]); |
3478 | exit(1); | |
3479 | } | |
46d4767d | 3480 | if (i == 0 && cyls != 0) { |
c4b1fcc0 | 3481 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
46d4767d FB |
3482 | bdrv_set_translation_hint(bs_table[i], translation); |
3483 | } | |
c4b1fcc0 FB |
3484 | } |
3485 | } | |
3486 | ||
3487 | /* we always create at least one floppy disk */ | |
3488 | fd_table[0] = bdrv_new("fda"); | |
3489 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
3490 | ||
3491 | for(i = 0; i < MAX_FD; i++) { | |
3492 | if (fd_filename[i]) { | |
3493 | if (!fd_table[i]) { | |
3494 | char buf[64]; | |
3495 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
3496 | fd_table[i] = bdrv_new(buf); | |
3497 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
3498 | } | |
3499 | if (fd_filename[i] != '\0') { | |
3500 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 3501 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
3502 | fd_filename[i]); |
3503 | exit(1); | |
3504 | } | |
3505 | } | |
33e3963e FB |
3506 | } |
3507 | } | |
3508 | ||
330d0414 FB |
3509 | /* init CPU state */ |
3510 | env = cpu_init(); | |
3511 | global_env = env; | |
3512 | cpu_single_env = env; | |
3513 | ||
8a7ddc38 | 3514 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
664e0f19 | 3515 | register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
8a7ddc38 | 3516 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
bb0c6722 | 3517 | qemu_register_reset(main_cpu_reset, global_env); |
8a7ddc38 | 3518 | |
330d0414 | 3519 | init_ioports(); |
80cabfad | 3520 | cpu_calibrate_ticks(); |
0824d6fc | 3521 | |
313aa567 | 3522 | /* terminal init */ |
a20dd508 | 3523 | if (nographic) { |
313aa567 FB |
3524 | dumb_display_init(ds); |
3525 | } else { | |
3526 | #ifdef CONFIG_SDL | |
d63d307f | 3527 | sdl_display_init(ds, full_screen); |
313aa567 FB |
3528 | #else |
3529 | dumb_display_init(ds); | |
3530 | #endif | |
3531 | } | |
0824d6fc | 3532 | |
82c643ff FB |
3533 | vga_console = graphic_console_init(ds); |
3534 | ||
3535 | monitor_hd = qemu_chr_open(monitor_device); | |
3536 | if (!monitor_hd) { | |
3537 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
3538 | exit(1); | |
3539 | } | |
3540 | monitor_init(monitor_hd, !nographic); | |
3541 | ||
8d11df9e FB |
3542 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
3543 | if (serial_devices[i][0] != '\0') { | |
3544 | serial_hds[i] = qemu_chr_open(serial_devices[i]); | |
3545 | if (!serial_hds[i]) { | |
3546 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
3547 | serial_devices[i]); | |
3548 | exit(1); | |
3549 | } | |
3550 | if (!strcmp(serial_devices[i], "vc")) | |
3551 | qemu_chr_printf(serial_hds[i], "serial%d console\n", i); | |
3552 | } | |
82c643ff | 3553 | } |
82c643ff | 3554 | |
0824d6fc | 3555 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 3556 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 3557 | |
77fef8c1 FB |
3558 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
3559 | { | |
3560 | stack_t stk; | |
73332e5c | 3561 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
3562 | stk.ss_sp = signal_stack; |
3563 | stk.ss_size = SIGNAL_STACK_SIZE; | |
3564 | stk.ss_flags = 0; | |
3565 | ||
3566 | if (sigaltstack(&stk, NULL) < 0) { | |
3567 | perror("sigaltstack"); | |
3568 | exit(1); | |
3569 | } | |
3570 | } | |
3571 | #endif | |
8a7ddc38 FB |
3572 | { |
3573 | struct sigaction act; | |
77fef8c1 | 3574 | |
8a7ddc38 FB |
3575 | sigfillset(&act.sa_mask); |
3576 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 3577 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3578 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 3579 | #endif |
8a7ddc38 FB |
3580 | act.sa_sigaction = host_segv_handler; |
3581 | sigaction(SIGSEGV, &act, NULL); | |
3582 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 3583 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3584 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 3585 | #endif |
8a7ddc38 | 3586 | } |
3a51dee6 | 3587 | #endif |
0824d6fc | 3588 | |
67b915a5 | 3589 | #ifndef _WIN32 |
8a7ddc38 FB |
3590 | { |
3591 | struct sigaction act; | |
3592 | sigfillset(&act.sa_mask); | |
3593 | act.sa_flags = 0; | |
3594 | act.sa_handler = SIG_IGN; | |
3595 | sigaction(SIGPIPE, &act, NULL); | |
3596 | } | |
67b915a5 | 3597 | #endif |
73332e5c FB |
3598 | init_timers(); |
3599 | ||
3600 | #if defined(TARGET_I386) | |
3601 | pc_init(ram_size, vga_ram_size, boot_device, | |
3602 | ds, fd_filename, snapshot, | |
3603 | kernel_filename, kernel_cmdline, initrd_filename); | |
3604 | #elif defined(TARGET_PPC) | |
a541f297 FB |
3605 | ppc_init(ram_size, vga_ram_size, boot_device, |
3606 | ds, fd_filename, snapshot, | |
3607 | kernel_filename, kernel_cmdline, initrd_filename); | |
e95c8d51 FB |
3608 | #elif defined(TARGET_SPARC) |
3609 | sun4m_init(ram_size, vga_ram_size, boot_device, | |
3610 | ds, fd_filename, snapshot, | |
3611 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
3612 | #endif |
3613 | ||
8a7ddc38 FB |
3614 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
3615 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 3616 | |
67b915a5 | 3617 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 3618 | if (use_gdbstub) { |
8a7ddc38 FB |
3619 | if (gdbserver_start(gdbstub_port) < 0) { |
3620 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
3621 | gdbstub_port); | |
3622 | exit(1); | |
3623 | } else { | |
3624 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
3625 | } | |
67b915a5 FB |
3626 | } else |
3627 | #endif | |
d63d307f FB |
3628 | if (loadvm) |
3629 | qemu_loadvm(loadvm); | |
3630 | ||
67b915a5 | 3631 | { |
5905b2e5 FB |
3632 | /* XXX: simplify init */ |
3633 | read_passwords(); | |
3634 | if (start_emulation) { | |
3635 | vm_start(); | |
3636 | } | |
0824d6fc | 3637 | } |
8a7ddc38 | 3638 | main_loop(); |
40c3bac3 | 3639 | quit_timers(); |
0824d6fc FB |
3640 | return 0; |
3641 | } |