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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> | |
7d3505c5 FB |
41 | #ifdef _BSD |
42 | #include <sys/stat.h> | |
43 | #include <libutil.h> | |
44 | #else | |
f1510b2c FB |
45 | #include <linux/if.h> |
46 | #include <linux/if_tun.h> | |
7d3505c5 FB |
47 | #include <pty.h> |
48 | #include <malloc.h> | |
fd872598 | 49 | #include <linux/rtc.h> |
67b915a5 | 50 | #endif |
7d3505c5 | 51 | #endif |
67b915a5 | 52 | |
c20709aa FB |
53 | #if defined(CONFIG_SLIRP) |
54 | #include "libslirp.h" | |
55 | #endif | |
56 | ||
67b915a5 | 57 | #ifdef _WIN32 |
7d3505c5 | 58 | #include <malloc.h> |
67b915a5 FB |
59 | #include <sys/timeb.h> |
60 | #include <windows.h> | |
61 | #define getopt_long_only getopt_long | |
62 | #define memalign(align, size) malloc(size) | |
63 | #endif | |
64 | ||
73332e5c | 65 | #ifdef CONFIG_SDL |
7d3505c5 | 66 | #if defined(__linux__) |
73332e5c FB |
67 | /* SDL use the pthreads and they modify sigaction. We don't |
68 | want that. */ | |
7d3505c5 | 69 | #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
73332e5c FB |
70 | extern void __libc_sigaction(); |
71 | #define sigaction(sig, act, oact) __libc_sigaction(sig, act, oact) | |
72 | #else | |
73 | extern void __sigaction(); | |
74 | #define sigaction(sig, act, oact) __sigaction(sig, act, oact) | |
75 | #endif | |
7d3505c5 | 76 | #endif /* __linux__ */ |
73332e5c | 77 | #endif /* CONFIG_SDL */ |
0824d6fc | 78 | |
0824d6fc | 79 | #include "disas.h" |
fc01f7e7 | 80 | |
8a7ddc38 | 81 | #include "exec-all.h" |
0824d6fc | 82 | |
a541f297 FB |
83 | //#define DO_TB_FLUSH |
84 | ||
5a67135a | 85 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
f1510b2c | 86 | |
0824d6fc | 87 | //#define DEBUG_UNUSED_IOPORT |
fd872598 | 88 | //#define DEBUG_IOPORT |
330d0414 | 89 | |
bb551faa | 90 | #if !defined(CONFIG_SOFTMMU) |
7916e224 | 91 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
bb551faa FB |
92 | #else |
93 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
94 | #endif | |
7916e224 | 95 | |
77d4bc34 FB |
96 | #ifdef TARGET_PPC |
97 | #define DEFAULT_RAM_SIZE 144 | |
98 | #else | |
a00bad7e | 99 | #define DEFAULT_RAM_SIZE 32 |
77d4bc34 | 100 | #endif |
8a7ddc38 FB |
101 | /* in ms */ |
102 | #define GUI_REFRESH_INTERVAL 30 | |
313aa567 | 103 | |
7dea1da4 FB |
104 | /* XXX: use a two level table to limit memory usage */ |
105 | #define MAX_IOPORTS 65536 | |
0824d6fc | 106 | |
80cabfad | 107 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
0824d6fc | 108 | char phys_ram_file[1024]; |
c45886db FB |
109 | CPUState *global_env; |
110 | CPUState *cpu_single_env; | |
c4b1fcc0 | 111 | void *ioport_opaque[MAX_IOPORTS]; |
fc01f7e7 FB |
112 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; |
113 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
c45886db | 114 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
313aa567 | 115 | int vga_ram_size; |
0ced6589 | 116 | int bios_size; |
313aa567 | 117 | static DisplayState display_state; |
a20dd508 | 118 | int nographic; |
313aa567 | 119 | int64_t ticks_per_sec; |
36b486bb | 120 | int boot_device = 'c'; |
0ced6589 | 121 | int ram_size; |
80cabfad FB |
122 | static char network_script[1024]; |
123 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
124 | int nb_nics; |
125 | NetDriverState nd_table[MAX_NICS]; | |
126 | SerialState *serial_console; | |
8a7ddc38 FB |
127 | QEMUTimer *gui_timer; |
128 | int vm_running; | |
aaaa7df6 | 129 | int audio_enabled = 0; |
69b91039 | 130 | int pci_enabled = 0; |
77d4bc34 | 131 | int prep_enabled = 0; |
ee22c2f7 | 132 | int rtc_utc = 1; |
0824d6fc FB |
133 | |
134 | /***********************************************************/ | |
26aa7d72 FB |
135 | /* x86 ISA bus support */ |
136 | ||
137 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 138 | |
c4b1fcc0 | 139 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
140 | { |
141 | #ifdef DEBUG_UNUSED_IOPORT | |
142 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
143 | #endif | |
fc01f7e7 | 144 | return 0xff; |
0824d6fc FB |
145 | } |
146 | ||
c4b1fcc0 | 147 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
148 | { |
149 | #ifdef DEBUG_UNUSED_IOPORT | |
150 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
151 | #endif | |
152 | } | |
153 | ||
154 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 155 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
156 | { |
157 | uint32_t data; | |
db45c29a FB |
158 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
159 | address = (address + 1) & (MAX_IOPORTS - 1); | |
160 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
161 | return data; |
162 | } | |
163 | ||
c4b1fcc0 | 164 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 165 | { |
db45c29a FB |
166 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
167 | address = (address + 1) & (MAX_IOPORTS - 1); | |
168 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
169 | } |
170 | ||
c4b1fcc0 | 171 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 172 | { |
fc01f7e7 FB |
173 | #ifdef DEBUG_UNUSED_IOPORT |
174 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
175 | #endif | |
176 | return 0xffffffff; | |
0824d6fc FB |
177 | } |
178 | ||
c4b1fcc0 | 179 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 180 | { |
fc01f7e7 FB |
181 | #ifdef DEBUG_UNUSED_IOPORT |
182 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
183 | #endif | |
0824d6fc FB |
184 | } |
185 | ||
fc01f7e7 | 186 | void init_ioports(void) |
0824d6fc FB |
187 | { |
188 | int i; | |
189 | ||
fc01f7e7 FB |
190 | for(i = 0; i < MAX_IOPORTS; i++) { |
191 | ioport_read_table[0][i] = default_ioport_readb; | |
192 | ioport_write_table[0][i] = default_ioport_writeb; | |
193 | ioport_read_table[1][i] = default_ioport_readw; | |
194 | ioport_write_table[1][i] = default_ioport_writew; | |
195 | ioport_read_table[2][i] = default_ioport_readl; | |
196 | ioport_write_table[2][i] = default_ioport_writel; | |
197 | } | |
0824d6fc FB |
198 | } |
199 | ||
fc01f7e7 | 200 | /* size is the word size in byte */ |
c4b1fcc0 FB |
201 | int register_ioport_read(int start, int length, int size, |
202 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 203 | { |
fc01f7e7 | 204 | int i, bsize; |
f1510b2c | 205 | |
c4b1fcc0 | 206 | if (size == 1) { |
fc01f7e7 | 207 | bsize = 0; |
c4b1fcc0 | 208 | } else if (size == 2) { |
fc01f7e7 | 209 | bsize = 1; |
c4b1fcc0 | 210 | } else if (size == 4) { |
fc01f7e7 | 211 | bsize = 2; |
c4b1fcc0 FB |
212 | } else { |
213 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 214 | return -1; |
c4b1fcc0 FB |
215 | } |
216 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 217 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
218 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
219 | hw_error("register_ioport_read: invalid opaque"); | |
220 | ioport_opaque[i] = opaque; | |
221 | } | |
f1510b2c FB |
222 | return 0; |
223 | } | |
224 | ||
fc01f7e7 | 225 | /* size is the word size in byte */ |
c4b1fcc0 FB |
226 | int register_ioport_write(int start, int length, int size, |
227 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 228 | { |
fc01f7e7 | 229 | int i, bsize; |
f1510b2c | 230 | |
c4b1fcc0 | 231 | if (size == 1) { |
fc01f7e7 | 232 | bsize = 0; |
c4b1fcc0 | 233 | } else if (size == 2) { |
fc01f7e7 | 234 | bsize = 1; |
c4b1fcc0 | 235 | } else if (size == 4) { |
fc01f7e7 | 236 | bsize = 2; |
c4b1fcc0 FB |
237 | } else { |
238 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 239 | return -1; |
c4b1fcc0 FB |
240 | } |
241 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 242 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
243 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
244 | hw_error("register_ioport_read: invalid opaque"); | |
245 | ioport_opaque[i] = opaque; | |
246 | } | |
f1510b2c FB |
247 | return 0; |
248 | } | |
249 | ||
69b91039 FB |
250 | void isa_unassign_ioport(int start, int length) |
251 | { | |
252 | int i; | |
253 | ||
254 | for(i = start; i < start + length; i++) { | |
255 | ioport_read_table[0][i] = default_ioport_readb; | |
256 | ioport_read_table[1][i] = default_ioport_readw; | |
257 | ioport_read_table[2][i] = default_ioport_readl; | |
258 | ||
259 | ioport_write_table[0][i] = default_ioport_writeb; | |
260 | ioport_write_table[1][i] = default_ioport_writew; | |
261 | ioport_write_table[2][i] = default_ioport_writel; | |
262 | } | |
263 | } | |
264 | ||
0824d6fc FB |
265 | void pstrcpy(char *buf, int buf_size, const char *str) |
266 | { | |
267 | int c; | |
268 | char *q = buf; | |
269 | ||
270 | if (buf_size <= 0) | |
271 | return; | |
272 | ||
273 | for(;;) { | |
274 | c = *str++; | |
275 | if (c == 0 || q >= buf + buf_size - 1) | |
276 | break; | |
277 | *q++ = c; | |
278 | } | |
279 | *q = '\0'; | |
280 | } | |
281 | ||
282 | /* strcat and truncate. */ | |
283 | char *pstrcat(char *buf, int buf_size, const char *s) | |
284 | { | |
285 | int len; | |
286 | len = strlen(buf); | |
287 | if (len < buf_size) | |
288 | pstrcpy(buf + len, buf_size - len, s); | |
289 | return buf; | |
290 | } | |
291 | ||
0824d6fc FB |
292 | /* return the size or -1 if error */ |
293 | int load_image(const char *filename, uint8_t *addr) | |
294 | { | |
295 | int fd, size; | |
40c3bac3 | 296 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
297 | if (fd < 0) |
298 | return -1; | |
299 | size = lseek(fd, 0, SEEK_END); | |
300 | lseek(fd, 0, SEEK_SET); | |
301 | if (read(fd, addr, size) != size) { | |
302 | close(fd); | |
303 | return -1; | |
304 | } | |
305 | close(fd); | |
306 | return size; | |
307 | } | |
308 | ||
c45886db | 309 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 310 | { |
fd872598 FB |
311 | #ifdef DEBUG_IOPORT |
312 | if (loglevel & CPU_LOG_IOPORT) | |
313 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
314 | #endif | |
c4b1fcc0 | 315 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
316 | } |
317 | ||
c45886db | 318 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 319 | { |
fd872598 FB |
320 | #ifdef DEBUG_IOPORT |
321 | if (loglevel & CPU_LOG_IOPORT) | |
322 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
323 | #endif | |
c4b1fcc0 | 324 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
325 | } |
326 | ||
c45886db | 327 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 328 | { |
fd872598 FB |
329 | #ifdef DEBUG_IOPORT |
330 | if (loglevel & CPU_LOG_IOPORT) | |
331 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
332 | #endif | |
c4b1fcc0 | 333 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
334 | } |
335 | ||
c45886db | 336 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 337 | { |
fd872598 | 338 | int val; |
fd872598 FB |
339 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
340 | #ifdef DEBUG_IOPORT | |
341 | if (loglevel & CPU_LOG_IOPORT) | |
342 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
343 | #endif | |
344 | return val; | |
0824d6fc FB |
345 | } |
346 | ||
c45886db | 347 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 348 | { |
fd872598 | 349 | int val; |
fd872598 FB |
350 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
351 | #ifdef DEBUG_IOPORT | |
352 | if (loglevel & CPU_LOG_IOPORT) | |
353 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
354 | #endif | |
355 | return val; | |
0824d6fc FB |
356 | } |
357 | ||
c45886db | 358 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 359 | { |
fd872598 | 360 | int val; |
fd872598 FB |
361 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
362 | #ifdef DEBUG_IOPORT | |
363 | if (loglevel & CPU_LOG_IOPORT) | |
364 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
365 | #endif | |
366 | return val; | |
0824d6fc FB |
367 | } |
368 | ||
369 | /***********************************************************/ | |
0824d6fc FB |
370 | void hw_error(const char *fmt, ...) |
371 | { | |
372 | va_list ap; | |
373 | ||
374 | va_start(ap, fmt); | |
375 | fprintf(stderr, "qemu: hardware error: "); | |
376 | vfprintf(stderr, fmt, ap); | |
377 | fprintf(stderr, "\n"); | |
378 | #ifdef TARGET_I386 | |
379 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
380 | #else |
381 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
382 | #endif |
383 | va_end(ap); | |
384 | abort(); | |
385 | } | |
386 | ||
63066f4f FB |
387 | /***********************************************************/ |
388 | /* keyboard/mouse */ | |
389 | ||
390 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
391 | static void *qemu_put_kbd_event_opaque; | |
392 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
393 | static void *qemu_put_mouse_event_opaque; | |
394 | ||
395 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
396 | { | |
397 | qemu_put_kbd_event_opaque = opaque; | |
398 | qemu_put_kbd_event = func; | |
399 | } | |
400 | ||
401 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
402 | { | |
403 | qemu_put_mouse_event_opaque = opaque; | |
404 | qemu_put_mouse_event = func; | |
405 | } | |
406 | ||
407 | void kbd_put_keycode(int keycode) | |
408 | { | |
409 | if (qemu_put_kbd_event) { | |
410 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
411 | } | |
412 | } | |
413 | ||
414 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
415 | { | |
416 | if (qemu_put_mouse_event) { | |
417 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
418 | dx, dy, dz, buttons_state); | |
419 | } | |
420 | } | |
421 | ||
8a7ddc38 FB |
422 | /***********************************************************/ |
423 | /* timers */ | |
424 | ||
34865134 FB |
425 | #if defined(__powerpc__) |
426 | ||
427 | static inline uint32_t get_tbl(void) | |
0824d6fc | 428 | { |
34865134 FB |
429 | uint32_t tbl; |
430 | asm volatile("mftb %0" : "=r" (tbl)); | |
431 | return tbl; | |
0824d6fc FB |
432 | } |
433 | ||
34865134 FB |
434 | static inline uint32_t get_tbu(void) |
435 | { | |
436 | uint32_t tbl; | |
437 | asm volatile("mftbu %0" : "=r" (tbl)); | |
438 | return tbl; | |
439 | } | |
440 | ||
441 | int64_t cpu_get_real_ticks(void) | |
442 | { | |
443 | uint32_t l, h, h1; | |
444 | /* NOTE: we test if wrapping has occurred */ | |
445 | do { | |
446 | h = get_tbu(); | |
447 | l = get_tbl(); | |
448 | h1 = get_tbu(); | |
449 | } while (h != h1); | |
450 | return ((int64_t)h << 32) | l; | |
451 | } | |
452 | ||
453 | #elif defined(__i386__) | |
454 | ||
455 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
456 | { |
457 | int64_t val; | |
e463b581 | 458 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
459 | return val; |
460 | } | |
461 | ||
1115dde7 FB |
462 | #elif defined(__x86_64__) |
463 | ||
464 | int64_t cpu_get_real_ticks(void) | |
465 | { | |
466 | uint32_t low,high; | |
467 | int64_t val; | |
468 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
469 | val = high; | |
470 | val <<= 32; | |
471 | val |= low; | |
472 | return val; | |
473 | } | |
474 | ||
34865134 FB |
475 | #else |
476 | #error unsupported CPU | |
477 | #endif | |
478 | ||
479 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 480 | static int cpu_ticks_enabled; |
34865134 | 481 | |
8a7ddc38 | 482 | static inline int64_t cpu_get_ticks(void) |
34865134 | 483 | { |
8a7ddc38 FB |
484 | if (!cpu_ticks_enabled) { |
485 | return cpu_ticks_offset; | |
486 | } else { | |
487 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
488 | } | |
34865134 FB |
489 | } |
490 | ||
491 | /* enable cpu_get_ticks() */ | |
492 | void cpu_enable_ticks(void) | |
493 | { | |
8a7ddc38 FB |
494 | if (!cpu_ticks_enabled) { |
495 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
496 | cpu_ticks_enabled = 1; | |
497 | } | |
34865134 FB |
498 | } |
499 | ||
500 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
501 | cpu_get_ticks() after that. */ | |
502 | void cpu_disable_ticks(void) | |
503 | { | |
8a7ddc38 FB |
504 | if (cpu_ticks_enabled) { |
505 | cpu_ticks_offset = cpu_get_ticks(); | |
506 | cpu_ticks_enabled = 0; | |
507 | } | |
34865134 FB |
508 | } |
509 | ||
67b915a5 | 510 | static int64_t get_clock(void) |
34865134 | 511 | { |
67b915a5 FB |
512 | #ifdef _WIN32 |
513 | struct _timeb tb; | |
514 | _ftime(&tb); | |
515 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
516 | #else | |
34865134 FB |
517 | struct timeval tv; |
518 | gettimeofday(&tv, NULL); | |
519 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 520 | #endif |
34865134 FB |
521 | } |
522 | ||
0824d6fc FB |
523 | void cpu_calibrate_ticks(void) |
524 | { | |
525 | int64_t usec, ticks; | |
526 | ||
527 | usec = get_clock(); | |
8a7ddc38 | 528 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
529 | #ifdef _WIN32 |
530 | Sleep(50); | |
531 | #else | |
0824d6fc | 532 | usleep(50 * 1000); |
67b915a5 | 533 | #endif |
0824d6fc | 534 | usec = get_clock() - usec; |
8a7ddc38 | 535 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
536 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
537 | } | |
538 | ||
87858c89 | 539 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 540 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
541 | { |
542 | union { | |
543 | uint64_t ll; | |
544 | struct { | |
545 | #ifdef WORDS_BIGENDIAN | |
546 | uint32_t high, low; | |
547 | #else | |
548 | uint32_t low, high; | |
549 | #endif | |
550 | } l; | |
551 | } u, res; | |
552 | uint64_t rl, rh; | |
553 | ||
554 | u.ll = a; | |
555 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
556 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
557 | rh += (rl >> 32); | |
558 | res.l.high = rh / c; | |
559 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
560 | return res.ll; | |
561 | } | |
562 | ||
8a7ddc38 FB |
563 | #define QEMU_TIMER_REALTIME 0 |
564 | #define QEMU_TIMER_VIRTUAL 1 | |
565 | ||
566 | struct QEMUClock { | |
567 | int type; | |
568 | /* XXX: add frequency */ | |
569 | }; | |
570 | ||
571 | struct QEMUTimer { | |
572 | QEMUClock *clock; | |
573 | int64_t expire_time; | |
574 | QEMUTimerCB *cb; | |
575 | void *opaque; | |
576 | struct QEMUTimer *next; | |
577 | }; | |
578 | ||
579 | QEMUClock *rt_clock; | |
580 | QEMUClock *vm_clock; | |
581 | ||
582 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
583 | #ifdef _WIN32 |
584 | static MMRESULT timerID; | |
585 | #else | |
8a7ddc38 FB |
586 | /* frequency of the times() clock tick */ |
587 | static int timer_freq; | |
67b915a5 | 588 | #endif |
8a7ddc38 FB |
589 | |
590 | QEMUClock *qemu_new_clock(int type) | |
591 | { | |
592 | QEMUClock *clock; | |
593 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
594 | if (!clock) | |
595 | return NULL; | |
596 | clock->type = type; | |
597 | return clock; | |
598 | } | |
599 | ||
600 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
601 | { | |
602 | QEMUTimer *ts; | |
603 | ||
604 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
605 | ts->clock = clock; | |
606 | ts->cb = cb; | |
607 | ts->opaque = opaque; | |
608 | return ts; | |
609 | } | |
610 | ||
611 | void qemu_free_timer(QEMUTimer *ts) | |
612 | { | |
613 | qemu_free(ts); | |
614 | } | |
615 | ||
616 | /* stop a timer, but do not dealloc it */ | |
617 | void qemu_del_timer(QEMUTimer *ts) | |
618 | { | |
619 | QEMUTimer **pt, *t; | |
620 | ||
621 | /* NOTE: this code must be signal safe because | |
622 | qemu_timer_expired() can be called from a signal. */ | |
623 | pt = &active_timers[ts->clock->type]; | |
624 | for(;;) { | |
625 | t = *pt; | |
626 | if (!t) | |
627 | break; | |
628 | if (t == ts) { | |
629 | *pt = t->next; | |
630 | break; | |
631 | } | |
632 | pt = &t->next; | |
633 | } | |
634 | } | |
635 | ||
636 | /* modify the current timer so that it will be fired when current_time | |
637 | >= expire_time. The corresponding callback will be called. */ | |
638 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
639 | { | |
640 | QEMUTimer **pt, *t; | |
641 | ||
642 | qemu_del_timer(ts); | |
643 | ||
644 | /* add the timer in the sorted list */ | |
645 | /* NOTE: this code must be signal safe because | |
646 | qemu_timer_expired() can be called from a signal. */ | |
647 | pt = &active_timers[ts->clock->type]; | |
648 | for(;;) { | |
649 | t = *pt; | |
650 | if (!t) | |
651 | break; | |
652 | if (t->expire_time > expire_time) | |
653 | break; | |
654 | pt = &t->next; | |
655 | } | |
656 | ts->expire_time = expire_time; | |
657 | ts->next = *pt; | |
658 | *pt = ts; | |
659 | } | |
660 | ||
661 | int qemu_timer_pending(QEMUTimer *ts) | |
662 | { | |
663 | QEMUTimer *t; | |
664 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
665 | if (t == ts) | |
666 | return 1; | |
667 | } | |
668 | return 0; | |
669 | } | |
670 | ||
671 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
672 | { | |
673 | if (!timer_head) | |
674 | return 0; | |
675 | return (timer_head->expire_time <= current_time); | |
676 | } | |
677 | ||
678 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
679 | { | |
680 | QEMUTimer *ts; | |
681 | ||
682 | for(;;) { | |
683 | ts = *ptimer_head; | |
684 | if (ts->expire_time > current_time) | |
685 | break; | |
686 | /* remove timer from the list before calling the callback */ | |
687 | *ptimer_head = ts->next; | |
688 | ts->next = NULL; | |
689 | ||
690 | /* run the callback (the timer list can be modified) */ | |
691 | ts->cb(ts->opaque); | |
692 | } | |
693 | } | |
694 | ||
695 | int64_t qemu_get_clock(QEMUClock *clock) | |
696 | { | |
697 | switch(clock->type) { | |
698 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
699 | #ifdef _WIN32 |
700 | return GetTickCount(); | |
701 | #else | |
7d3505c5 FB |
702 | { |
703 | struct tms tp; | |
704 | ||
705 | /* Note that using gettimeofday() is not a good solution | |
706 | for timers because its value change when the date is | |
707 | modified. */ | |
708 | if (timer_freq == 100) { | |
709 | return times(&tp) * 10; | |
710 | } else { | |
711 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
712 | } | |
8a7ddc38 | 713 | } |
67b915a5 | 714 | #endif |
8a7ddc38 FB |
715 | default: |
716 | case QEMU_TIMER_VIRTUAL: | |
717 | return cpu_get_ticks(); | |
718 | } | |
719 | } | |
720 | ||
721 | /* save a timer */ | |
722 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
723 | { | |
724 | uint64_t expire_time; | |
725 | ||
726 | if (qemu_timer_pending(ts)) { | |
727 | expire_time = ts->expire_time; | |
728 | } else { | |
729 | expire_time = -1; | |
730 | } | |
731 | qemu_put_be64(f, expire_time); | |
732 | } | |
733 | ||
734 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
735 | { | |
736 | uint64_t expire_time; | |
737 | ||
738 | expire_time = qemu_get_be64(f); | |
739 | if (expire_time != -1) { | |
740 | qemu_mod_timer(ts, expire_time); | |
741 | } else { | |
742 | qemu_del_timer(ts); | |
743 | } | |
744 | } | |
745 | ||
746 | static void timer_save(QEMUFile *f, void *opaque) | |
747 | { | |
748 | if (cpu_ticks_enabled) { | |
749 | hw_error("cannot save state if virtual timers are running"); | |
750 | } | |
751 | qemu_put_be64s(f, &cpu_ticks_offset); | |
752 | qemu_put_be64s(f, &ticks_per_sec); | |
753 | } | |
754 | ||
755 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
756 | { | |
757 | if (version_id != 1) | |
758 | return -EINVAL; | |
759 | if (cpu_ticks_enabled) { | |
760 | return -EINVAL; | |
761 | } | |
762 | qemu_get_be64s(f, &cpu_ticks_offset); | |
763 | qemu_get_be64s(f, &ticks_per_sec); | |
764 | return 0; | |
765 | } | |
766 | ||
67b915a5 FB |
767 | #ifdef _WIN32 |
768 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
769 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
770 | #else | |
8a7ddc38 | 771 | static void host_alarm_handler(int host_signum) |
67b915a5 | 772 | #endif |
8a7ddc38 FB |
773 | { |
774 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
775 | qemu_get_clock(vm_clock)) || | |
776 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
777 | qemu_get_clock(rt_clock))) { | |
778 | /* stop the cpu because a timer occured */ | |
779 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
780 | } | |
781 | } | |
782 | ||
fd872598 FB |
783 | #ifndef _WIN32 |
784 | ||
829309c7 FB |
785 | #if defined(__linux__) |
786 | ||
fd872598 FB |
787 | #define RTC_FREQ 1024 |
788 | ||
789 | static int rtc_fd; | |
829309c7 | 790 | |
fd872598 FB |
791 | static int start_rtc_timer(void) |
792 | { | |
793 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
794 | if (rtc_fd < 0) | |
795 | return -1; | |
796 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
797 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
798 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
799 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
800 | goto fail; | |
801 | } | |
802 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
803 | fail: | |
804 | close(rtc_fd); | |
805 | return -1; | |
806 | } | |
807 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
808 | return 0; | |
809 | } | |
810 | ||
829309c7 FB |
811 | #else |
812 | ||
813 | static int start_rtc_timer(void) | |
814 | { | |
815 | return -1; | |
816 | } | |
817 | ||
818 | #endif /* !defined(__linux__) */ | |
819 | ||
820 | #endif /* !defined(_WIN32) */ | |
fd872598 | 821 | |
8a7ddc38 FB |
822 | static void init_timers(void) |
823 | { | |
8a7ddc38 FB |
824 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
825 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
826 | ||
67b915a5 FB |
827 | #ifdef _WIN32 |
828 | { | |
829 | int count=0; | |
40c3bac3 FB |
830 | timerID = timeSetEvent(10, // interval (ms) |
831 | 0, // resolution | |
832 | host_alarm_handler, // function | |
833 | (DWORD)&count, // user parameter | |
834 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
835 | if( !timerID ) { |
836 | perror("failed timer alarm"); | |
837 | exit(1); | |
838 | } | |
839 | } | |
840 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
841 | #else | |
842 | { | |
843 | struct sigaction act; | |
844 | struct itimerval itv; | |
845 | ||
846 | /* get times() syscall frequency */ | |
847 | timer_freq = sysconf(_SC_CLK_TCK); | |
848 | ||
849 | /* timer signal */ | |
850 | sigfillset(&act.sa_mask); | |
851 | act.sa_flags = 0; | |
8a7ddc38 | 852 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
853 | act.sa_flags |= SA_ONSTACK; |
854 | #endif | |
855 | act.sa_handler = host_alarm_handler; | |
856 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 857 | |
67b915a5 FB |
858 | itv.it_interval.tv_sec = 0; |
859 | itv.it_interval.tv_usec = 1000; | |
860 | itv.it_value.tv_sec = 0; | |
861 | itv.it_value.tv_usec = 10 * 1000; | |
862 | setitimer(ITIMER_REAL, &itv, NULL); | |
863 | /* we probe the tick duration of the kernel to inform the user if | |
864 | the emulated kernel requested a too high timer frequency */ | |
865 | getitimer(ITIMER_REAL, &itv); | |
fd872598 FB |
866 | |
867 | if (itv.it_interval.tv_usec > 1000) { | |
868 | /* try to use /dev/rtc to have a faster timer */ | |
869 | if (start_rtc_timer() < 0) | |
870 | goto use_itimer; | |
871 | /* disable itimer */ | |
872 | itv.it_interval.tv_sec = 0; | |
873 | itv.it_interval.tv_usec = 0; | |
874 | itv.it_value.tv_sec = 0; | |
875 | itv.it_value.tv_usec = 0; | |
876 | setitimer(ITIMER_REAL, &itv, NULL); | |
877 | ||
878 | /* use the RTC */ | |
879 | sigaction(SIGIO, &act, NULL); | |
880 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
881 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
882 | } else { | |
883 | use_itimer: | |
884 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
885 | PIT_FREQ) / 1000000; | |
886 | } | |
67b915a5 | 887 | } |
8a7ddc38 | 888 | #endif |
8a7ddc38 FB |
889 | } |
890 | ||
40c3bac3 FB |
891 | void quit_timers(void) |
892 | { | |
893 | #ifdef _WIN32 | |
894 | timeKillEvent(timerID); | |
895 | #endif | |
896 | } | |
897 | ||
c4b1fcc0 FB |
898 | /***********************************************************/ |
899 | /* serial device */ | |
313aa567 | 900 | |
67b915a5 FB |
901 | #ifdef _WIN32 |
902 | ||
903 | int serial_open_device(void) | |
904 | { | |
905 | return -1; | |
906 | } | |
907 | ||
908 | #else | |
909 | ||
c4b1fcc0 | 910 | int serial_open_device(void) |
313aa567 | 911 | { |
c4b1fcc0 FB |
912 | char slave_name[1024]; |
913 | int master_fd, slave_fd; | |
313aa567 | 914 | |
c4b1fcc0 FB |
915 | if (serial_console == NULL && nographic) { |
916 | /* use console for serial port */ | |
917 | return 0; | |
80cabfad | 918 | } else { |
77d4bc34 FB |
919 | #if 0 |
920 | /* Not satisfying */ | |
c4b1fcc0 FB |
921 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
922 | fprintf(stderr, "warning: could not create pseudo terminal for serial port\n"); | |
923 | return -1; | |
924 | } | |
925 | fprintf(stderr, "Serial port redirected to %s\n", slave_name); | |
926 | return master_fd; | |
77d4bc34 FB |
927 | #else |
928 | return -1; | |
929 | #endif | |
330d0414 | 930 | } |
330d0414 FB |
931 | } |
932 | ||
67b915a5 FB |
933 | #endif |
934 | ||
80cabfad | 935 | /***********************************************************/ |
c20709aa | 936 | /* Linux network device redirectors */ |
330d0414 | 937 | |
c20709aa FB |
938 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
939 | { | |
940 | int len, i, j, c; | |
941 | ||
942 | for(i=0;i<size;i+=16) { | |
943 | len = size - i; | |
944 | if (len > 16) | |
945 | len = 16; | |
946 | fprintf(f, "%08x ", i); | |
947 | for(j=0;j<16;j++) { | |
948 | if (j < len) | |
949 | fprintf(f, " %02x", buf[i+j]); | |
950 | else | |
951 | fprintf(f, " "); | |
952 | } | |
953 | fprintf(f, " "); | |
954 | for(j=0;j<len;j++) { | |
955 | c = buf[i+j]; | |
956 | if (c < ' ' || c > '~') | |
957 | c = '.'; | |
958 | fprintf(f, "%c", c); | |
959 | } | |
960 | fprintf(f, "\n"); | |
961 | } | |
962 | } | |
963 | ||
964 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
965 | { | |
966 | nd->send_packet(nd, buf, size); | |
967 | } | |
67b915a5 | 968 | |
c20709aa FB |
969 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
970 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 971 | { |
c20709aa FB |
972 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
973 | } | |
974 | ||
975 | /* dummy network adapter */ | |
976 | ||
977 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
978 | { | |
979 | } | |
980 | ||
981 | static void dummy_add_read_packet(NetDriverState *nd, | |
982 | IOCanRWHandler *fd_can_read, | |
983 | IOReadHandler *fd_read, void *opaque) | |
984 | { | |
985 | } | |
986 | ||
987 | static int net_dummy_init(NetDriverState *nd) | |
988 | { | |
989 | nd->send_packet = dummy_send_packet; | |
990 | nd->add_read_packet = dummy_add_read_packet; | |
991 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
992 | return 0; |
993 | } | |
994 | ||
c20709aa FB |
995 | #if defined(CONFIG_SLIRP) |
996 | ||
997 | /* slirp network adapter */ | |
998 | ||
999 | static void *slirp_fd_opaque; | |
1000 | static IOCanRWHandler *slirp_fd_can_read; | |
1001 | static IOReadHandler *slirp_fd_read; | |
1002 | static int slirp_inited; | |
1003 | ||
1004 | int slirp_can_output(void) | |
1005 | { | |
1006 | return slirp_fd_can_read(slirp_fd_opaque); | |
1007 | } | |
1008 | ||
1009 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 1010 | { |
c20709aa FB |
1011 | #if 0 |
1012 | printf("output:\n"); | |
1013 | hex_dump(stdout, pkt, pkt_len); | |
1014 | #endif | |
1015 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
1016 | } |
1017 | ||
c20709aa FB |
1018 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1019 | { | |
1020 | #if 0 | |
1021 | printf("input:\n"); | |
1022 | hex_dump(stdout, buf, size); | |
1023 | #endif | |
1024 | slirp_input(buf, size); | |
1025 | } | |
1026 | ||
1027 | static void slirp_add_read_packet(NetDriverState *nd, | |
1028 | IOCanRWHandler *fd_can_read, | |
1029 | IOReadHandler *fd_read, void *opaque) | |
1030 | { | |
1031 | slirp_fd_opaque = opaque; | |
1032 | slirp_fd_can_read = fd_can_read; | |
1033 | slirp_fd_read = fd_read; | |
1034 | } | |
1035 | ||
1036 | static int net_slirp_init(NetDriverState *nd) | |
1037 | { | |
1038 | if (!slirp_inited) { | |
1039 | slirp_inited = 1; | |
1040 | slirp_init(); | |
1041 | } | |
1042 | nd->send_packet = slirp_send_packet; | |
1043 | nd->add_read_packet = slirp_add_read_packet; | |
1044 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | #endif /* CONFIG_SLIRP */ | |
1049 | ||
1050 | #if !defined(_WIN32) | |
7d3505c5 FB |
1051 | #ifdef _BSD |
1052 | static int tun_open(char *ifname, int ifname_size) | |
1053 | { | |
1054 | int fd; | |
1055 | char *dev; | |
1056 | struct stat s; | |
67b915a5 | 1057 | |
7d3505c5 FB |
1058 | fd = open("/dev/tap", O_RDWR); |
1059 | if (fd < 0) { | |
1060 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1061 | return -1; | |
1062 | } | |
1063 | ||
1064 | fstat(fd, &s); | |
1065 | dev = devname(s.st_rdev, S_IFCHR); | |
1066 | pstrcpy(ifname, ifname_size, dev); | |
1067 | ||
1068 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1069 | return fd; | |
1070 | } | |
1071 | #else | |
c4b1fcc0 | 1072 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1073 | { |
80cabfad | 1074 | struct ifreq ifr; |
c4b1fcc0 | 1075 | int fd, ret; |
80cabfad FB |
1076 | |
1077 | fd = open("/dev/net/tun", O_RDWR); | |
1078 | if (fd < 0) { | |
1079 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1080 | return -1; | |
330d0414 | 1081 | } |
80cabfad FB |
1082 | memset(&ifr, 0, sizeof(ifr)); |
1083 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1084 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1085 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1086 | if (ret != 0) { | |
1087 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1088 | close(fd); | |
1089 | return -1; | |
1090 | } | |
1091 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1092 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1093 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1094 | return fd; |
1095 | } | |
7d3505c5 | 1096 | #endif |
330d0414 | 1097 | |
c20709aa FB |
1098 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1099 | { | |
1100 | write(nd->fd, buf, size); | |
1101 | } | |
1102 | ||
1103 | static void tun_add_read_packet(NetDriverState *nd, | |
1104 | IOCanRWHandler *fd_can_read, | |
1105 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1106 | { |
c20709aa FB |
1107 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1108 | } | |
1109 | ||
1110 | static int net_tun_init(NetDriverState *nd) | |
1111 | { | |
1112 | int pid, status; | |
1113 | char *args[3]; | |
c4b1fcc0 FB |
1114 | char **parg; |
1115 | ||
c20709aa FB |
1116 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1117 | if (nd->fd < 0) | |
1118 | return -1; | |
c4b1fcc0 | 1119 | |
c20709aa FB |
1120 | /* try to launch network init script */ |
1121 | pid = fork(); | |
1122 | if (pid >= 0) { | |
1123 | if (pid == 0) { | |
1124 | parg = args; | |
1125 | *parg++ = network_script; | |
1126 | *parg++ = nd->ifname; | |
1127 | *parg++ = NULL; | |
1128 | execv(network_script, args); | |
1129 | exit(1); | |
1130 | } | |
1131 | while (waitpid(pid, &status, 0) != pid); | |
1132 | if (!WIFEXITED(status) || | |
1133 | WEXITSTATUS(status) != 0) { | |
1134 | fprintf(stderr, "%s: could not launch network script\n", | |
1135 | network_script); | |
80cabfad | 1136 | } |
330d0414 | 1137 | } |
c20709aa FB |
1138 | nd->send_packet = tun_send_packet; |
1139 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1140 | return 0; |
330d0414 FB |
1141 | } |
1142 | ||
c20709aa | 1143 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1144 | { |
c20709aa FB |
1145 | nd->fd = fd; |
1146 | nd->send_packet = tun_send_packet; | |
1147 | nd->add_read_packet = tun_add_read_packet; | |
1148 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1149 | return 0; | |
80cabfad | 1150 | } |
330d0414 | 1151 | |
c20709aa | 1152 | #endif /* !_WIN32 */ |
67b915a5 | 1153 | |
313aa567 FB |
1154 | /***********************************************************/ |
1155 | /* dumb display */ | |
1156 | ||
67b915a5 FB |
1157 | #ifdef _WIN32 |
1158 | ||
1159 | static void term_exit(void) | |
1160 | { | |
1161 | } | |
1162 | ||
1163 | static void term_init(void) | |
1164 | { | |
1165 | } | |
1166 | ||
1167 | #else | |
1168 | ||
313aa567 FB |
1169 | /* init terminal so that we can grab keys */ |
1170 | static struct termios oldtty; | |
1171 | ||
1172 | static void term_exit(void) | |
1173 | { | |
1174 | tcsetattr (0, TCSANOW, &oldtty); | |
1175 | } | |
1176 | ||
1177 | static void term_init(void) | |
1178 | { | |
1179 | struct termios tty; | |
1180 | ||
1181 | tcgetattr (0, &tty); | |
1182 | oldtty = tty; | |
1183 | ||
1184 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1185 | |INLCR|IGNCR|ICRNL|IXON); | |
1186 | tty.c_oflag |= OPOST; | |
a20dd508 FB |
1187 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
1188 | /* if graphical mode, we allow Ctrl-C handling */ | |
1189 | if (nographic) | |
1190 | tty.c_lflag &= ~ISIG; | |
313aa567 FB |
1191 | tty.c_cflag &= ~(CSIZE|PARENB); |
1192 | tty.c_cflag |= CS8; | |
1193 | tty.c_cc[VMIN] = 1; | |
1194 | tty.c_cc[VTIME] = 0; | |
1195 | ||
1196 | tcsetattr (0, TCSANOW, &tty); | |
1197 | ||
1198 | atexit(term_exit); | |
1199 | ||
1200 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1201 | } | |
1202 | ||
67b915a5 FB |
1203 | #endif |
1204 | ||
313aa567 FB |
1205 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1206 | { | |
1207 | } | |
1208 | ||
1209 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1210 | { | |
1211 | } | |
1212 | ||
1213 | static void dumb_refresh(DisplayState *ds) | |
1214 | { | |
1215 | vga_update_display(); | |
1216 | } | |
1217 | ||
1218 | void dumb_display_init(DisplayState *ds) | |
1219 | { | |
1220 | ds->data = NULL; | |
1221 | ds->linesize = 0; | |
1222 | ds->depth = 0; | |
1223 | ds->dpy_update = dumb_update; | |
1224 | ds->dpy_resize = dumb_resize; | |
1225 | ds->dpy_refresh = dumb_refresh; | |
1226 | } | |
1227 | ||
3a51dee6 | 1228 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1229 | /***********************************************************/ |
0824d6fc FB |
1230 | /* cpu signal handler */ |
1231 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1232 | void *puc) | |
1233 | { | |
1234 | if (cpu_signal_handler(host_signum, info, puc)) | |
1235 | return; | |
1236 | term_exit(); | |
1237 | abort(); | |
1238 | } | |
3a51dee6 | 1239 | #endif |
0824d6fc | 1240 | |
8a7ddc38 FB |
1241 | /***********************************************************/ |
1242 | /* I/O handling */ | |
0824d6fc | 1243 | |
c4b1fcc0 FB |
1244 | #define MAX_IO_HANDLERS 64 |
1245 | ||
1246 | typedef struct IOHandlerRecord { | |
1247 | int fd; | |
1248 | IOCanRWHandler *fd_can_read; | |
1249 | IOReadHandler *fd_read; | |
1250 | void *opaque; | |
1251 | /* temporary data */ | |
1252 | struct pollfd *ufd; | |
1253 | int max_size; | |
8a7ddc38 | 1254 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1255 | } IOHandlerRecord; |
1256 | ||
8a7ddc38 | 1257 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1258 | |
8a7ddc38 FB |
1259 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1260 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1261 | { |
1262 | IOHandlerRecord *ioh; | |
1263 | ||
8a7ddc38 FB |
1264 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1265 | if (!ioh) | |
c4b1fcc0 | 1266 | return -1; |
c4b1fcc0 FB |
1267 | ioh->fd = fd; |
1268 | ioh->fd_can_read = fd_can_read; | |
1269 | ioh->fd_read = fd_read; | |
1270 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1271 | ioh->next = first_io_handler; |
1272 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1273 | return 0; |
1274 | } | |
1275 | ||
8a7ddc38 FB |
1276 | void qemu_del_fd_read_handler(int fd) |
1277 | { | |
1278 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1279 | |
8a7ddc38 FB |
1280 | pioh = &first_io_handler; |
1281 | for(;;) { | |
1282 | ioh = *pioh; | |
1283 | if (ioh == NULL) | |
1284 | break; | |
1285 | if (ioh->fd == fd) { | |
1286 | *pioh = ioh->next; | |
1287 | break; | |
1288 | } | |
1289 | pioh = &ioh->next; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | /***********************************************************/ | |
1294 | /* savevm/loadvm support */ | |
1295 | ||
1296 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1297 | { |
8a7ddc38 | 1298 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1299 | } |
1300 | ||
8a7ddc38 | 1301 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1302 | { |
8a7ddc38 FB |
1303 | fputc(v, f); |
1304 | } | |
1305 | ||
1306 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1307 | { | |
1308 | qemu_put_byte(f, v >> 8); | |
1309 | qemu_put_byte(f, v); | |
1310 | } | |
1311 | ||
1312 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1313 | { | |
1314 | qemu_put_byte(f, v >> 24); | |
1315 | qemu_put_byte(f, v >> 16); | |
1316 | qemu_put_byte(f, v >> 8); | |
1317 | qemu_put_byte(f, v); | |
1318 | } | |
1319 | ||
1320 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1321 | { | |
1322 | qemu_put_be32(f, v >> 32); | |
1323 | qemu_put_be32(f, v); | |
1324 | } | |
1325 | ||
1326 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1327 | { | |
1328 | return fread(buf, 1, size, f); | |
1329 | } | |
1330 | ||
1331 | int qemu_get_byte(QEMUFile *f) | |
1332 | { | |
1333 | int v; | |
1334 | v = fgetc(f); | |
1335 | if (v == EOF) | |
1336 | return 0; | |
1337 | else | |
1338 | return v; | |
1339 | } | |
1340 | ||
1341 | unsigned int qemu_get_be16(QEMUFile *f) | |
1342 | { | |
1343 | unsigned int v; | |
1344 | v = qemu_get_byte(f) << 8; | |
1345 | v |= qemu_get_byte(f); | |
1346 | return v; | |
1347 | } | |
1348 | ||
1349 | unsigned int qemu_get_be32(QEMUFile *f) | |
1350 | { | |
1351 | unsigned int v; | |
1352 | v = qemu_get_byte(f) << 24; | |
1353 | v |= qemu_get_byte(f) << 16; | |
1354 | v |= qemu_get_byte(f) << 8; | |
1355 | v |= qemu_get_byte(f); | |
1356 | return v; | |
1357 | } | |
1358 | ||
1359 | uint64_t qemu_get_be64(QEMUFile *f) | |
1360 | { | |
1361 | uint64_t v; | |
1362 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1363 | v |= qemu_get_be32(f); | |
1364 | return v; | |
1365 | } | |
1366 | ||
1367 | int64_t qemu_ftell(QEMUFile *f) | |
1368 | { | |
1369 | return ftell(f); | |
1370 | } | |
1371 | ||
1372 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1373 | { | |
1374 | if (fseek(f, pos, whence) < 0) | |
1375 | return -1; | |
1376 | return ftell(f); | |
1377 | } | |
1378 | ||
1379 | typedef struct SaveStateEntry { | |
1380 | char idstr[256]; | |
1381 | int instance_id; | |
1382 | int version_id; | |
1383 | SaveStateHandler *save_state; | |
1384 | LoadStateHandler *load_state; | |
1385 | void *opaque; | |
1386 | struct SaveStateEntry *next; | |
1387 | } SaveStateEntry; | |
b4608c04 | 1388 | |
8a7ddc38 FB |
1389 | static SaveStateEntry *first_se; |
1390 | ||
1391 | int register_savevm(const char *idstr, | |
1392 | int instance_id, | |
1393 | int version_id, | |
1394 | SaveStateHandler *save_state, | |
1395 | LoadStateHandler *load_state, | |
1396 | void *opaque) | |
1397 | { | |
1398 | SaveStateEntry *se, **pse; | |
1399 | ||
1400 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1401 | if (!se) | |
1402 | return -1; | |
1403 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1404 | se->instance_id = instance_id; | |
1405 | se->version_id = version_id; | |
1406 | se->save_state = save_state; | |
1407 | se->load_state = load_state; | |
1408 | se->opaque = opaque; | |
1409 | se->next = NULL; | |
1410 | ||
1411 | /* add at the end of list */ | |
1412 | pse = &first_se; | |
1413 | while (*pse != NULL) | |
1414 | pse = &(*pse)->next; | |
1415 | *pse = se; | |
1416 | return 0; | |
1417 | } | |
1418 | ||
1419 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1420 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1421 | ||
1422 | int qemu_savevm(const char *filename) | |
1423 | { | |
1424 | SaveStateEntry *se; | |
1425 | QEMUFile *f; | |
1426 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1427 | ||
1428 | saved_vm_running = vm_running; | |
1429 | vm_stop(0); | |
1430 | ||
1431 | f = fopen(filename, "wb"); | |
1432 | if (!f) { | |
1433 | ret = -1; | |
1434 | goto the_end; | |
313aa567 FB |
1435 | } |
1436 | ||
8a7ddc38 FB |
1437 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1438 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1439 | ||
1440 | for(se = first_se; se != NULL; se = se->next) { | |
1441 | /* ID string */ | |
1442 | len = strlen(se->idstr); | |
1443 | qemu_put_byte(f, len); | |
1444 | qemu_put_buffer(f, se->idstr, len); | |
1445 | ||
1446 | qemu_put_be32(f, se->instance_id); | |
1447 | qemu_put_be32(f, se->version_id); | |
1448 | ||
1449 | /* record size: filled later */ | |
1450 | len_pos = ftell(f); | |
1451 | qemu_put_be32(f, 0); | |
1452 | ||
1453 | se->save_state(f, se->opaque); | |
1454 | ||
1455 | /* fill record size */ | |
1456 | cur_pos = ftell(f); | |
1457 | len = ftell(f) - len_pos - 4; | |
1458 | fseek(f, len_pos, SEEK_SET); | |
1459 | qemu_put_be32(f, len); | |
1460 | fseek(f, cur_pos, SEEK_SET); | |
1461 | } | |
1462 | ||
1463 | fclose(f); | |
1464 | ret = 0; | |
1465 | the_end: | |
1466 | if (saved_vm_running) | |
1467 | vm_start(); | |
1468 | return ret; | |
1469 | } | |
1470 | ||
1471 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1472 | { | |
1473 | SaveStateEntry *se; | |
1474 | ||
1475 | for(se = first_se; se != NULL; se = se->next) { | |
1476 | if (!strcmp(se->idstr, idstr) && | |
1477 | instance_id == se->instance_id) | |
1478 | return se; | |
1479 | } | |
1480 | return NULL; | |
1481 | } | |
1482 | ||
1483 | int qemu_loadvm(const char *filename) | |
1484 | { | |
1485 | SaveStateEntry *se; | |
1486 | QEMUFile *f; | |
1487 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1488 | int saved_vm_running; | |
1489 | unsigned int v; | |
1490 | char idstr[256]; | |
1491 | ||
1492 | saved_vm_running = vm_running; | |
1493 | vm_stop(0); | |
1494 | ||
1495 | f = fopen(filename, "rb"); | |
1496 | if (!f) { | |
1497 | ret = -1; | |
1498 | goto the_end; | |
1499 | } | |
1500 | ||
1501 | v = qemu_get_be32(f); | |
1502 | if (v != QEMU_VM_FILE_MAGIC) | |
1503 | goto fail; | |
1504 | v = qemu_get_be32(f); | |
1505 | if (v != QEMU_VM_FILE_VERSION) { | |
1506 | fail: | |
1507 | fclose(f); | |
1508 | ret = -1; | |
1509 | goto the_end; | |
1510 | } | |
b4608c04 | 1511 | for(;;) { |
a541f297 | 1512 | #if defined (DO_TB_FLUSH) |
d927637d | 1513 | tb_flush(global_env); |
a541f297 | 1514 | #endif |
8a7ddc38 FB |
1515 | len = qemu_get_byte(f); |
1516 | if (feof(f)) | |
cd4c3e88 | 1517 | break; |
8a7ddc38 FB |
1518 | qemu_get_buffer(f, idstr, len); |
1519 | idstr[len] = '\0'; | |
1520 | instance_id = qemu_get_be32(f); | |
1521 | version_id = qemu_get_be32(f); | |
1522 | record_len = qemu_get_be32(f); | |
1523 | #if 0 | |
1524 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1525 | idstr, instance_id, version_id, record_len); | |
1526 | #endif | |
1527 | cur_pos = ftell(f); | |
1528 | se = find_se(idstr, instance_id); | |
1529 | if (!se) { | |
1530 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1531 | instance_id, idstr); | |
1532 | } else { | |
1533 | ret = se->load_state(f, se->opaque, version_id); | |
1534 | if (ret < 0) { | |
1535 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1536 | instance_id, idstr); | |
1537 | } | |
34865134 | 1538 | } |
8a7ddc38 FB |
1539 | /* always seek to exact end of record */ |
1540 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1541 | } | |
1542 | fclose(f); | |
1543 | ret = 0; | |
1544 | the_end: | |
1545 | if (saved_vm_running) | |
1546 | vm_start(); | |
1547 | return ret; | |
1548 | } | |
1549 | ||
1550 | /***********************************************************/ | |
1551 | /* cpu save/restore */ | |
1552 | ||
1553 | #if defined(TARGET_I386) | |
1554 | ||
1555 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
1556 | { | |
1557 | qemu_put_be32(f, (uint32_t)dt->base); | |
1558 | qemu_put_be32(f, dt->limit); | |
1559 | qemu_put_be32(f, dt->flags); | |
1560 | } | |
1561 | ||
1562 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
1563 | { | |
1564 | dt->base = (uint8_t *)qemu_get_be32(f); | |
1565 | dt->limit = qemu_get_be32(f); | |
1566 | dt->flags = qemu_get_be32(f); | |
1567 | } | |
1568 | ||
1569 | void cpu_save(QEMUFile *f, void *opaque) | |
1570 | { | |
1571 | CPUState *env = opaque; | |
1572 | uint16_t fptag, fpus, fpuc; | |
1573 | uint32_t hflags; | |
1574 | int i; | |
1575 | ||
1576 | for(i = 0; i < 8; i++) | |
1577 | qemu_put_be32s(f, &env->regs[i]); | |
1578 | qemu_put_be32s(f, &env->eip); | |
1579 | qemu_put_be32s(f, &env->eflags); | |
1580 | qemu_put_be32s(f, &env->eflags); | |
1581 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
1582 | qemu_put_be32s(f, &hflags); | |
1583 | ||
1584 | /* FPU */ | |
1585 | fpuc = env->fpuc; | |
1586 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
1587 | fptag = 0; | |
1588 | for (i=7; i>=0; i--) { | |
1589 | fptag <<= 2; | |
1590 | if (env->fptags[i]) { | |
1591 | fptag |= 3; | |
1592 | } | |
1593 | } | |
1594 | ||
1595 | qemu_put_be16s(f, &fpuc); | |
1596 | qemu_put_be16s(f, &fpus); | |
1597 | qemu_put_be16s(f, &fptag); | |
1598 | ||
1599 | for(i = 0; i < 8; i++) { | |
1600 | uint64_t mant; | |
1601 | uint16_t exp; | |
1602 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
1603 | qemu_put_be64(f, mant); | |
1604 | qemu_put_be16(f, exp); | |
1605 | } | |
1606 | ||
1607 | for(i = 0; i < 6; i++) | |
1608 | cpu_put_seg(f, &env->segs[i]); | |
1609 | cpu_put_seg(f, &env->ldt); | |
1610 | cpu_put_seg(f, &env->tr); | |
1611 | cpu_put_seg(f, &env->gdt); | |
1612 | cpu_put_seg(f, &env->idt); | |
1613 | ||
1614 | qemu_put_be32s(f, &env->sysenter_cs); | |
1615 | qemu_put_be32s(f, &env->sysenter_esp); | |
1616 | qemu_put_be32s(f, &env->sysenter_eip); | |
1617 | ||
1618 | qemu_put_be32s(f, &env->cr[0]); | |
1619 | qemu_put_be32s(f, &env->cr[2]); | |
1620 | qemu_put_be32s(f, &env->cr[3]); | |
1621 | qemu_put_be32s(f, &env->cr[4]); | |
1622 | ||
1623 | for(i = 0; i < 8; i++) | |
1624 | qemu_put_be32s(f, &env->dr[i]); | |
1625 | ||
1626 | /* MMU */ | |
1627 | qemu_put_be32s(f, &env->a20_mask); | |
1628 | } | |
1629 | ||
1630 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1631 | { | |
1632 | CPUState *env = opaque; | |
1633 | int i; | |
1634 | uint32_t hflags; | |
1635 | uint16_t fpus, fpuc, fptag; | |
1636 | ||
1637 | if (version_id != 1) | |
1638 | return -EINVAL; | |
1639 | for(i = 0; i < 8; i++) | |
1640 | qemu_get_be32s(f, &env->regs[i]); | |
1641 | qemu_get_be32s(f, &env->eip); | |
1642 | qemu_get_be32s(f, &env->eflags); | |
1643 | qemu_get_be32s(f, &env->eflags); | |
1644 | qemu_get_be32s(f, &hflags); | |
1645 | ||
1646 | qemu_get_be16s(f, &fpuc); | |
1647 | qemu_get_be16s(f, &fpus); | |
1648 | qemu_get_be16s(f, &fptag); | |
1649 | ||
1650 | for(i = 0; i < 8; i++) { | |
1651 | uint64_t mant; | |
1652 | uint16_t exp; | |
1653 | mant = qemu_get_be64(f); | |
1654 | exp = qemu_get_be16(f); | |
1655 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
1656 | } | |
1657 | ||
1658 | env->fpuc = fpuc; | |
1659 | env->fpstt = (fpus >> 11) & 7; | |
1660 | env->fpus = fpus & ~0x3800; | |
1661 | for(i = 0; i < 8; i++) { | |
1662 | env->fptags[i] = ((fptag & 3) == 3); | |
1663 | fptag >>= 2; | |
1664 | } | |
1665 | ||
1666 | for(i = 0; i < 6; i++) | |
1667 | cpu_get_seg(f, &env->segs[i]); | |
1668 | cpu_get_seg(f, &env->ldt); | |
1669 | cpu_get_seg(f, &env->tr); | |
1670 | cpu_get_seg(f, &env->gdt); | |
1671 | cpu_get_seg(f, &env->idt); | |
1672 | ||
1673 | qemu_get_be32s(f, &env->sysenter_cs); | |
1674 | qemu_get_be32s(f, &env->sysenter_esp); | |
1675 | qemu_get_be32s(f, &env->sysenter_eip); | |
1676 | ||
1677 | qemu_get_be32s(f, &env->cr[0]); | |
1678 | qemu_get_be32s(f, &env->cr[2]); | |
1679 | qemu_get_be32s(f, &env->cr[3]); | |
1680 | qemu_get_be32s(f, &env->cr[4]); | |
1681 | ||
1682 | for(i = 0; i < 8; i++) | |
1683 | qemu_get_be32s(f, &env->dr[i]); | |
1684 | ||
1685 | /* MMU */ | |
1686 | qemu_get_be32s(f, &env->a20_mask); | |
1687 | ||
1688 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
1689 | env->hflags = hflags; | |
1690 | tlb_flush(env, 1); | |
1691 | return 0; | |
1692 | } | |
1693 | ||
a541f297 FB |
1694 | #elif defined(TARGET_PPC) |
1695 | void cpu_save(QEMUFile *f, void *opaque) | |
1696 | { | |
1697 | } | |
1698 | ||
1699 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
1700 | { | |
1701 | return 0; | |
1702 | } | |
8a7ddc38 FB |
1703 | #else |
1704 | ||
1705 | #warning No CPU save/restore functions | |
1706 | ||
1707 | #endif | |
1708 | ||
1709 | /***********************************************************/ | |
1710 | /* ram save/restore */ | |
1711 | ||
1712 | /* we just avoid storing empty pages */ | |
1713 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
1714 | { | |
1715 | int i, v; | |
1716 | ||
1717 | v = buf[0]; | |
1718 | for(i = 1; i < len; i++) { | |
1719 | if (buf[i] != v) | |
1720 | goto normal_save; | |
1721 | } | |
1722 | qemu_put_byte(f, 1); | |
1723 | qemu_put_byte(f, v); | |
1724 | return; | |
1725 | normal_save: | |
1726 | qemu_put_byte(f, 0); | |
1727 | qemu_put_buffer(f, buf, len); | |
1728 | } | |
1729 | ||
1730 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
1731 | { | |
1732 | int v; | |
1733 | ||
1734 | v = qemu_get_byte(f); | |
1735 | switch(v) { | |
1736 | case 0: | |
1737 | if (qemu_get_buffer(f, buf, len) != len) | |
1738 | return -EIO; | |
1739 | break; | |
1740 | case 1: | |
1741 | v = qemu_get_byte(f); | |
1742 | memset(buf, v, len); | |
1743 | break; | |
1744 | default: | |
1745 | return -EINVAL; | |
1746 | } | |
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | static void ram_save(QEMUFile *f, void *opaque) | |
1751 | { | |
1752 | int i; | |
1753 | qemu_put_be32(f, phys_ram_size); | |
1754 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1755 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1756 | } | |
1757 | } | |
1758 | ||
1759 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
1760 | { | |
1761 | int i, ret; | |
1762 | ||
1763 | if (version_id != 1) | |
1764 | return -EINVAL; | |
1765 | if (qemu_get_be32(f) != phys_ram_size) | |
1766 | return -EINVAL; | |
1767 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
1768 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
1769 | if (ret) | |
1770 | return ret; | |
1771 | } | |
1772 | return 0; | |
1773 | } | |
1774 | ||
1775 | /***********************************************************/ | |
1776 | /* main execution loop */ | |
1777 | ||
1778 | void gui_update(void *opaque) | |
1779 | { | |
1780 | display_state.dpy_refresh(&display_state); | |
1781 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
1782 | } | |
1783 | ||
1784 | /* XXX: support several handlers */ | |
1785 | VMStopHandler *vm_stop_cb; | |
1786 | VMStopHandler *vm_stop_opaque; | |
1787 | ||
1788 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1789 | { | |
1790 | vm_stop_cb = cb; | |
1791 | vm_stop_opaque = opaque; | |
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
1796 | { | |
1797 | vm_stop_cb = NULL; | |
1798 | } | |
1799 | ||
1800 | void vm_start(void) | |
1801 | { | |
1802 | if (!vm_running) { | |
1803 | cpu_enable_ticks(); | |
1804 | vm_running = 1; | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | void vm_stop(int reason) | |
1809 | { | |
1810 | if (vm_running) { | |
1811 | cpu_disable_ticks(); | |
1812 | vm_running = 0; | |
1813 | if (reason != 0) { | |
1814 | if (vm_stop_cb) { | |
1815 | vm_stop_cb(vm_stop_opaque, reason); | |
1816 | } | |
34865134 | 1817 | } |
8a7ddc38 FB |
1818 | } |
1819 | } | |
1820 | ||
1821 | int main_loop(void) | |
1822 | { | |
67b915a5 | 1823 | #ifndef _WIN32 |
8a7ddc38 | 1824 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 1825 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
1826 | uint8_t buf[4096]; |
1827 | int n, max_size; | |
1828 | #endif | |
1829 | int ret, timeout; | |
8a7ddc38 FB |
1830 | CPUState *env = global_env; |
1831 | ||
1832 | for(;;) { | |
1833 | if (vm_running) { | |
1834 | ret = cpu_exec(env); | |
1835 | if (reset_requested) { | |
1836 | ret = EXCP_INTERRUPT; | |
1837 | break; | |
1838 | } | |
1839 | if (ret == EXCP_DEBUG) { | |
1840 | vm_stop(EXCP_DEBUG); | |
1841 | } | |
1842 | /* if hlt instruction, we wait until the next IRQ */ | |
1843 | /* XXX: use timeout computed from timers */ | |
1844 | if (ret == EXCP_HLT) | |
1845 | timeout = 10; | |
1846 | else | |
1847 | timeout = 0; | |
1848 | } else { | |
b4608c04 | 1849 | timeout = 10; |
8a7ddc38 | 1850 | } |
c4b1fcc0 | 1851 | |
38e205a2 FB |
1852 | #ifdef _WIN32 |
1853 | if (timeout > 0) | |
1854 | Sleep(timeout); | |
1855 | #else | |
1856 | ||
b4608c04 | 1857 | /* poll any events */ |
8a7ddc38 | 1858 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 1859 | pf = ufds; |
8a7ddc38 FB |
1860 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
1861 | if (!ioh->fd_can_read) { | |
1862 | max_size = 0; | |
c4b1fcc0 FB |
1863 | pf->fd = ioh->fd; |
1864 | pf->events = POLLIN; | |
1865 | ioh->ufd = pf; | |
1866 | pf++; | |
1867 | } else { | |
8a7ddc38 FB |
1868 | max_size = ioh->fd_can_read(ioh->opaque); |
1869 | if (max_size > 0) { | |
1870 | if (max_size > sizeof(buf)) | |
1871 | max_size = sizeof(buf); | |
1872 | pf->fd = ioh->fd; | |
1873 | pf->events = POLLIN; | |
1874 | ioh->ufd = pf; | |
1875 | pf++; | |
1876 | } else { | |
1877 | ioh->ufd = NULL; | |
1878 | } | |
c4b1fcc0 FB |
1879 | } |
1880 | ioh->max_size = max_size; | |
b4608c04 | 1881 | } |
73332e5c | 1882 | |
b4608c04 FB |
1883 | ret = poll(ufds, pf - ufds, timeout); |
1884 | if (ret > 0) { | |
8a7ddc38 FB |
1885 | /* XXX: better handling of removal */ |
1886 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
1887 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
1888 | pf = ioh->ufd; |
1889 | if (pf) { | |
8a7ddc38 FB |
1890 | if (pf->revents & POLLIN) { |
1891 | if (ioh->max_size == 0) { | |
1892 | /* just a read event */ | |
1893 | ioh->fd_read(ioh->opaque, NULL, 0); | |
1894 | } else { | |
1895 | n = read(ioh->fd, buf, ioh->max_size); | |
1896 | if (n >= 0) { | |
1897 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 1898 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
1899 | ioh->fd_read(ioh->opaque, NULL, -errno); |
1900 | } | |
1901 | } | |
b4608c04 | 1902 | } |
b4608c04 | 1903 | } |
b4608c04 FB |
1904 | } |
1905 | } | |
c20709aa FB |
1906 | |
1907 | #if defined(CONFIG_SLIRP) | |
1908 | /* XXX: merge with poll() */ | |
1909 | if (slirp_inited) { | |
1910 | fd_set rfds, wfds, xfds; | |
1911 | int nfds; | |
1912 | struct timeval tv; | |
1913 | ||
1914 | nfds = -1; | |
1915 | FD_ZERO(&rfds); | |
1916 | FD_ZERO(&wfds); | |
1917 | FD_ZERO(&xfds); | |
1918 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
1919 | tv.tv_sec = 0; | |
1920 | tv.tv_usec = 0; | |
1921 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
1922 | if (ret >= 0) { | |
1923 | slirp_select_poll(&rfds, &wfds, &xfds); | |
1924 | } | |
1925 | } | |
1926 | #endif | |
1927 | ||
67b915a5 | 1928 | #endif |
b4608c04 | 1929 | |
8a7ddc38 FB |
1930 | if (vm_running) { |
1931 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
1932 | qemu_get_clock(vm_clock)); | |
1933 | ||
aaaa7df6 FB |
1934 | if (audio_enabled) { |
1935 | /* XXX: add explicit timer */ | |
1936 | SB16_run(); | |
1937 | } | |
8a7ddc38 FB |
1938 | |
1939 | /* run dma transfers, if any */ | |
1940 | DMA_run(); | |
b4608c04 | 1941 | } |
313aa567 | 1942 | |
8a7ddc38 FB |
1943 | /* real time timers */ |
1944 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
1945 | qemu_get_clock(rt_clock)); | |
b4608c04 | 1946 | } |
34865134 FB |
1947 | cpu_disable_ticks(); |
1948 | return ret; | |
b4608c04 FB |
1949 | } |
1950 | ||
0824d6fc FB |
1951 | void help(void) |
1952 | { | |
aaaa7df6 | 1953 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 1954 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 1955 | "\n" |
a20dd508 | 1956 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 1957 | "\n" |
a20dd508 | 1958 | "Standard options:\n" |
c45886db | 1959 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
1960 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
1961 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 1962 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 1963 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 1964 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 1965 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 1966 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 1967 | "-enable-audio enable audio support\n" |
89980284 | 1968 | "-localtime set the real time clock to local time [default=utc]\n" |
c4b1fcc0 FB |
1969 | "\n" |
1970 | "Network options:\n" | |
c20709aa | 1971 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 1972 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
1973 | "-n script set tap/tun network init script [default=%s]\n" |
1974 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
1975 | #ifdef CONFIG_SLIRP | |
1976 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
1977 | #endif | |
1978 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 1979 | "\n" |
c4b1fcc0 | 1980 | "Linux boot specific:\n" |
a20dd508 FB |
1981 | "-kernel bzImage use 'bzImage' as kernel image\n" |
1982 | "-append cmdline use 'cmdline' as kernel command line\n" | |
1983 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 1984 | "\n" |
330d0414 | 1985 | "Debug/Expert options:\n" |
cd6f1169 | 1986 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
1987 | "-s wait gdb connection to port %d\n" |
1988 | "-p port change gdb connection port\n" | |
f193c797 | 1989 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
1990 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
1991 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
1992 | #ifdef USE_CODE_COPY |
1993 | "-no-code-copy disable code copy acceleration\n" | |
1994 | #endif | |
1995 | ||
0824d6fc | 1996 | "\n" |
f1510b2c | 1997 | "During emulation, use C-a h to get terminal commands:\n", |
0db63474 FB |
1998 | #ifdef CONFIG_SOFTMMU |
1999 | "qemu", | |
2000 | #else | |
2001 | "qemu-fast", | |
2002 | #endif | |
a00bad7e FB |
2003 | DEFAULT_RAM_SIZE, |
2004 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
2005 | DEFAULT_GDBSTUB_PORT, |
2006 | "/tmp/qemu.log"); | |
0824d6fc | 2007 | term_print_help(); |
0db63474 FB |
2008 | #ifndef CONFIG_SOFTMMU |
2009 | printf("\n" | |
2010 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
2011 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
2012 | "PC emulation.\n"); | |
2013 | #endif | |
0824d6fc FB |
2014 | exit(1); |
2015 | } | |
2016 | ||
cd6f1169 FB |
2017 | #define HAS_ARG 0x0001 |
2018 | ||
2019 | enum { | |
2020 | QEMU_OPTION_h, | |
2021 | ||
2022 | QEMU_OPTION_fda, | |
2023 | QEMU_OPTION_fdb, | |
2024 | QEMU_OPTION_hda, | |
2025 | QEMU_OPTION_hdb, | |
2026 | QEMU_OPTION_hdc, | |
2027 | QEMU_OPTION_hdd, | |
2028 | QEMU_OPTION_cdrom, | |
2029 | QEMU_OPTION_boot, | |
2030 | QEMU_OPTION_snapshot, | |
2031 | QEMU_OPTION_m, | |
2032 | QEMU_OPTION_nographic, | |
2033 | QEMU_OPTION_enable_audio, | |
2034 | ||
2035 | QEMU_OPTION_nics, | |
2036 | QEMU_OPTION_macaddr, | |
2037 | QEMU_OPTION_n, | |
2038 | QEMU_OPTION_tun_fd, | |
2039 | QEMU_OPTION_user_net, | |
2040 | QEMU_OPTION_dummy_net, | |
2041 | ||
2042 | QEMU_OPTION_kernel, | |
2043 | QEMU_OPTION_append, | |
2044 | QEMU_OPTION_initrd, | |
2045 | ||
2046 | QEMU_OPTION_S, | |
2047 | QEMU_OPTION_s, | |
2048 | QEMU_OPTION_p, | |
2049 | QEMU_OPTION_d, | |
2050 | QEMU_OPTION_hdachs, | |
2051 | QEMU_OPTION_L, | |
2052 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2053 | QEMU_OPTION_pci, |
77d4bc34 | 2054 | QEMU_OPTION_prep, |
ee22c2f7 | 2055 | QEMU_OPTION_localtime, |
cd6f1169 FB |
2056 | }; |
2057 | ||
2058 | typedef struct QEMUOption { | |
2059 | const char *name; | |
2060 | int flags; | |
2061 | int index; | |
2062 | } QEMUOption; | |
2063 | ||
2064 | const QEMUOption qemu_options[] = { | |
2065 | { "h", 0, QEMU_OPTION_h }, | |
2066 | ||
2067 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2068 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2069 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2070 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2071 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2072 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2073 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2074 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2075 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2076 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2077 | { "nographic", 0, QEMU_OPTION_nographic }, | |
2078 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
2079 | ||
2080 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2081 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2082 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2083 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2084 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2085 | { "user-net", 0, QEMU_OPTION_user_net }, |
158156d1 | 2086 | #endif |
cd6f1169 FB |
2087 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2088 | ||
2089 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2090 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2091 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2092 | ||
2093 | { "S", 0, QEMU_OPTION_S }, | |
2094 | { "s", 0, QEMU_OPTION_s }, | |
2095 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2096 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2097 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2098 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2099 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2100 | |
2101 | /* temporary options */ | |
69b91039 | 2102 | { "pci", 0, QEMU_OPTION_pci }, |
77d4bc34 FB |
2103 | #ifdef TARGET_PPC |
2104 | { "prep", 0, QEMU_OPTION_prep }, | |
2105 | #endif | |
ee22c2f7 | 2106 | { "localtime", 0, QEMU_OPTION_localtime }, |
cd6f1169 | 2107 | { NULL }, |
fc01f7e7 FB |
2108 | }; |
2109 | ||
77fef8c1 FB |
2110 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2111 | ||
2112 | /* this stack is only used during signal handling */ | |
2113 | #define SIGNAL_STACK_SIZE 32768 | |
2114 | ||
2115 | static uint8_t *signal_stack; | |
2116 | ||
2117 | #endif | |
2118 | ||
c20709aa FB |
2119 | #define NET_IF_TUN 0 |
2120 | #define NET_IF_USER 1 | |
2121 | #define NET_IF_DUMMY 2 | |
2122 | ||
0824d6fc FB |
2123 | int main(int argc, char **argv) |
2124 | { | |
67b915a5 FB |
2125 | #ifdef CONFIG_GDBSTUB |
2126 | int use_gdbstub, gdbstub_port; | |
2127 | #endif | |
cd6f1169 | 2128 | int i, has_cdrom; |
1ccde1cb | 2129 | int snapshot, linux_boot; |
c45886db | 2130 | CPUState *env; |
7f7f9873 | 2131 | const char *initrd_filename; |
c45886db | 2132 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2133 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2134 | DisplayState *ds = &display_state; |
c4b1fcc0 | 2135 | int cyls, heads, secs; |
a541f297 | 2136 | int start_emulation = 1; |
702c651c | 2137 | uint8_t macaddr[6]; |
c20709aa | 2138 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2139 | int optind; |
2140 | const char *r, *optarg; | |
2141 | ||
67b915a5 | 2142 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2143 | /* we never want that malloc() uses mmap() */ |
2144 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2145 | #endif |
fc01f7e7 | 2146 | initrd_filename = NULL; |
c45886db FB |
2147 | for(i = 0; i < MAX_FD; i++) |
2148 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2149 | for(i = 0; i < MAX_DISKS; i++) |
2150 | hd_filename[i] = NULL; | |
a00bad7e | 2151 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 2152 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 2153 | bios_size = BIOS_SIZE; |
f1510b2c | 2154 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 2155 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2156 | use_gdbstub = 0; |
2157 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 2158 | #endif |
33e3963e | 2159 | snapshot = 0; |
a20dd508 FB |
2160 | nographic = 0; |
2161 | kernel_filename = NULL; | |
2162 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
2163 | has_cdrom = 1; |
2164 | cyls = heads = secs = 0; | |
2165 | ||
c20709aa FB |
2166 | nb_tun_fds = 0; |
2167 | net_if_type = -1; | |
c4b1fcc0 | 2168 | nb_nics = 1; |
702c651c FB |
2169 | /* default mac address of the first network interface */ |
2170 | macaddr[0] = 0x52; | |
2171 | macaddr[1] = 0x54; | |
2172 | macaddr[2] = 0x00; | |
2173 | macaddr[3] = 0x12; | |
2174 | macaddr[4] = 0x34; | |
2175 | macaddr[5] = 0x56; | |
c20709aa | 2176 | |
cd6f1169 | 2177 | optind = 1; |
0824d6fc | 2178 | for(;;) { |
cd6f1169 | 2179 | if (optind >= argc) |
0824d6fc | 2180 | break; |
cd6f1169 FB |
2181 | r = argv[optind]; |
2182 | if (r[0] != '-') { | |
2183 | hd_filename[0] = argv[optind++]; | |
2184 | } else { | |
2185 | const QEMUOption *popt; | |
2186 | ||
2187 | optind++; | |
2188 | popt = qemu_options; | |
2189 | for(;;) { | |
2190 | if (!popt->name) { | |
2191 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
2192 | argv[0], r); | |
2193 | exit(1); | |
2194 | } | |
2195 | if (!strcmp(popt->name, r + 1)) | |
2196 | break; | |
2197 | popt++; | |
2198 | } | |
2199 | if (popt->flags & HAS_ARG) { | |
2200 | if (optind >= argc) { | |
2201 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
2202 | argv[0], r); | |
2203 | exit(1); | |
2204 | } | |
2205 | optarg = argv[optind++]; | |
2206 | } else { | |
2207 | optarg = NULL; | |
2208 | } | |
2209 | ||
2210 | switch(popt->index) { | |
2211 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
2212 | initrd_filename = optarg; |
2213 | break; | |
cd6f1169 | 2214 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
2215 | hd_filename[0] = optarg; |
2216 | break; | |
cd6f1169 | 2217 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
2218 | hd_filename[1] = optarg; |
2219 | break; | |
cd6f1169 | 2220 | case QEMU_OPTION_snapshot: |
33e3963e FB |
2221 | snapshot = 1; |
2222 | break; | |
cd6f1169 | 2223 | case QEMU_OPTION_hdachs: |
330d0414 | 2224 | { |
330d0414 FB |
2225 | const char *p; |
2226 | p = optarg; | |
2227 | cyls = strtol(p, (char **)&p, 0); | |
2228 | if (*p != ',') | |
2229 | goto chs_fail; | |
2230 | p++; | |
2231 | heads = strtol(p, (char **)&p, 0); | |
2232 | if (*p != ',') | |
2233 | goto chs_fail; | |
2234 | p++; | |
2235 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2236 | if (*p != '\0') { |
2237 | chs_fail: | |
2238 | cyls = 0; | |
2239 | } | |
330d0414 FB |
2240 | } |
2241 | break; | |
cd6f1169 | 2242 | case QEMU_OPTION_nographic: |
a20dd508 FB |
2243 | nographic = 1; |
2244 | break; | |
cd6f1169 | 2245 | case QEMU_OPTION_kernel: |
a20dd508 FB |
2246 | kernel_filename = optarg; |
2247 | break; | |
cd6f1169 | 2248 | case QEMU_OPTION_append: |
a20dd508 | 2249 | kernel_cmdline = optarg; |
313aa567 | 2250 | break; |
cd6f1169 | 2251 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
2252 | { |
2253 | const char *p; | |
2254 | int fd; | |
d6b86f4d | 2255 | net_if_type = NET_IF_TUN; |
c20709aa FB |
2256 | if (nb_tun_fds < MAX_NICS) { |
2257 | fd = strtol(optarg, (char **)&p, 0); | |
2258 | if (*p != '\0') { | |
2259 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2260 | exit(1); |
2261 | } | |
c20709aa | 2262 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2263 | } |
2264 | } | |
42f1e0e4 | 2265 | break; |
cd6f1169 | 2266 | case QEMU_OPTION_hdc: |
36b486bb | 2267 | hd_filename[2] = optarg; |
c4b1fcc0 | 2268 | has_cdrom = 0; |
36b486bb | 2269 | break; |
cd6f1169 | 2270 | case QEMU_OPTION_hdd: |
36b486bb FB |
2271 | hd_filename[3] = optarg; |
2272 | break; | |
cd6f1169 | 2273 | case QEMU_OPTION_cdrom: |
36b486bb | 2274 | hd_filename[2] = optarg; |
c4b1fcc0 | 2275 | has_cdrom = 1; |
36b486bb | 2276 | break; |
cd6f1169 | 2277 | case QEMU_OPTION_boot: |
36b486bb | 2278 | boot_device = optarg[0]; |
c45886db FB |
2279 | if (boot_device != 'a' && boot_device != 'b' && |
2280 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2281 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2282 | exit(1); | |
2283 | } | |
2284 | break; | |
cd6f1169 | 2285 | case QEMU_OPTION_fda: |
c45886db FB |
2286 | fd_filename[0] = optarg; |
2287 | break; | |
cd6f1169 | 2288 | case QEMU_OPTION_fdb: |
c45886db FB |
2289 | fd_filename[1] = optarg; |
2290 | break; | |
cd6f1169 | 2291 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
2292 | code_copy_enabled = 0; |
2293 | break; | |
cd6f1169 | 2294 | case QEMU_OPTION_nics: |
c4b1fcc0 | 2295 | nb_nics = atoi(optarg); |
3a1bc175 | 2296 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
2297 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
2298 | exit(1); | |
2299 | } | |
2300 | break; | |
cd6f1169 | 2301 | case QEMU_OPTION_macaddr: |
702c651c FB |
2302 | { |
2303 | const char *p; | |
2304 | int i; | |
2305 | p = optarg; | |
2306 | for(i = 0; i < 6; i++) { | |
2307 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2308 | if (i == 5) { | |
2309 | if (*p != '\0') | |
2310 | goto macaddr_error; | |
2311 | } else { | |
2312 | if (*p != ':') { | |
2313 | macaddr_error: | |
2314 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2315 | exit(1); | |
2316 | } | |
2317 | p++; | |
2318 | } | |
2319 | } | |
2320 | } | |
2321 | break; | |
cd6f1169 | 2322 | case QEMU_OPTION_user_net: |
c20709aa FB |
2323 | net_if_type = NET_IF_USER; |
2324 | break; | |
cd6f1169 | 2325 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
2326 | net_if_type = NET_IF_DUMMY; |
2327 | break; | |
cd6f1169 | 2328 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
2329 | audio_enabled = 1; |
2330 | break; | |
cd6f1169 | 2331 | case QEMU_OPTION_h: |
0824d6fc | 2332 | help(); |
cd6f1169 FB |
2333 | break; |
2334 | case QEMU_OPTION_m: | |
2335 | ram_size = atoi(optarg) * 1024 * 1024; | |
2336 | if (ram_size <= 0) | |
2337 | help(); | |
2338 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
2339 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
2340 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
2341 | exit(1); | |
2342 | } | |
2343 | break; | |
2344 | case QEMU_OPTION_d: | |
2345 | { | |
2346 | int mask; | |
2347 | CPULogItem *item; | |
2348 | ||
2349 | mask = cpu_str_to_log_mask(optarg); | |
2350 | if (!mask) { | |
2351 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
2352 | for(item = cpu_log_items; item->mask != 0; item++) { |
2353 | printf("%-10s %s\n", item->name, item->help); | |
2354 | } | |
2355 | exit(1); | |
cd6f1169 FB |
2356 | } |
2357 | cpu_set_log(mask); | |
f193c797 | 2358 | } |
cd6f1169 FB |
2359 | break; |
2360 | case QEMU_OPTION_n: | |
2361 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2362 | break; | |
67b915a5 | 2363 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
2364 | case QEMU_OPTION_s: |
2365 | use_gdbstub = 1; | |
2366 | break; | |
2367 | case QEMU_OPTION_p: | |
2368 | gdbstub_port = atoi(optarg); | |
2369 | break; | |
67b915a5 | 2370 | #endif |
cd6f1169 FB |
2371 | case QEMU_OPTION_L: |
2372 | bios_dir = optarg; | |
2373 | break; | |
2374 | case QEMU_OPTION_S: | |
2375 | start_emulation = 0; | |
2376 | break; | |
69b91039 FB |
2377 | case QEMU_OPTION_pci: |
2378 | pci_enabled = 1; | |
2379 | break; | |
77d4bc34 FB |
2380 | case QEMU_OPTION_prep: |
2381 | prep_enabled = 1; | |
2382 | break; | |
ee22c2f7 FB |
2383 | case QEMU_OPTION_localtime: |
2384 | rtc_utc = 0; | |
2385 | break; | |
cd6f1169 | 2386 | } |
0824d6fc FB |
2387 | } |
2388 | } | |
330d0414 | 2389 | |
a20dd508 | 2390 | linux_boot = (kernel_filename != NULL); |
330d0414 | 2391 | |
c45886db FB |
2392 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
2393 | fd_filename[0] == '\0') | |
0824d6fc | 2394 | help(); |
8f2b1fb0 FB |
2395 | |
2396 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
2397 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
2398 | if (fd_filename[0] != '\0') | |
2399 | boot_device = 'a'; | |
2400 | else | |
2401 | boot_device = 'd'; | |
2402 | } | |
0824d6fc | 2403 | |
dc887a4d FB |
2404 | #if !defined(CONFIG_SOFTMMU) |
2405 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
2406 | { | |
2407 | static uint8_t stdout_buf[4096]; | |
2408 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
2409 | } | |
2410 | #else | |
b118d61e | 2411 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 2412 | #endif |
0824d6fc | 2413 | |
c4b1fcc0 | 2414 | /* init host network redirectors */ |
c20709aa FB |
2415 | if (net_if_type == -1) { |
2416 | net_if_type = NET_IF_TUN; | |
2417 | #if defined(CONFIG_SLIRP) | |
2418 | if (access(network_script, R_OK) < 0) { | |
2419 | net_if_type = NET_IF_USER; | |
2420 | } | |
2421 | #endif | |
2422 | } | |
2423 | ||
2424 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 2425 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 2426 | nd->index = i; |
702c651c FB |
2427 | /* init virtual mac address */ |
2428 | nd->macaddr[0] = macaddr[0]; | |
2429 | nd->macaddr[1] = macaddr[1]; | |
2430 | nd->macaddr[2] = macaddr[2]; | |
2431 | nd->macaddr[3] = macaddr[3]; | |
2432 | nd->macaddr[4] = macaddr[4]; | |
2433 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
2434 | switch(net_if_type) { |
2435 | #if defined(CONFIG_SLIRP) | |
2436 | case NET_IF_USER: | |
2437 | net_slirp_init(nd); | |
2438 | break; | |
2439 | #endif | |
2440 | #if !defined(_WIN32) | |
2441 | case NET_IF_TUN: | |
2442 | if (i < nb_tun_fds) { | |
2443 | net_fd_init(nd, tun_fds[i]); | |
2444 | } else { | |
d927637d FB |
2445 | if (net_tun_init(nd) < 0) |
2446 | net_dummy_init(nd); | |
c20709aa FB |
2447 | } |
2448 | break; | |
2449 | #endif | |
2450 | case NET_IF_DUMMY: | |
2451 | default: | |
2452 | net_dummy_init(nd); | |
2453 | break; | |
2454 | } | |
702c651c | 2455 | } |
f1510b2c | 2456 | |
0824d6fc | 2457 | /* init the memory */ |
0ced6589 | 2458 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
2459 | |
2460 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 FB |
2461 | #ifdef _BSD |
2462 | /* mallocs are always aligned on BSD. */ | |
2463 | phys_ram_base = malloc(phys_ram_size); | |
2464 | #else | |
1ccde1cb | 2465 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 2466 | #endif |
7f7f9873 FB |
2467 | if (!phys_ram_base) { |
2468 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
2469 | exit(1); |
2470 | } | |
7f7f9873 FB |
2471 | #else |
2472 | /* as we must map the same page at several addresses, we must use | |
2473 | a fd */ | |
2474 | { | |
2475 | const char *tmpdir; | |
2476 | ||
2477 | tmpdir = getenv("QEMU_TMPDIR"); | |
2478 | if (!tmpdir) | |
2479 | tmpdir = "/tmp"; | |
2480 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
2481 | if (mkstemp(phys_ram_file) < 0) { | |
2482 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
2483 | phys_ram_file); | |
2484 | exit(1); | |
2485 | } | |
2486 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
2487 | if (phys_ram_fd < 0) { | |
2488 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
2489 | phys_ram_file); | |
2490 | exit(1); | |
2491 | } | |
1ccde1cb | 2492 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 2493 | unlink(phys_ram_file); |
1ccde1cb FB |
2494 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
2495 | phys_ram_size, | |
7f7f9873 FB |
2496 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
2497 | phys_ram_fd, 0); | |
2498 | if (phys_ram_base == MAP_FAILED) { | |
2499 | fprintf(stderr, "Could not map physical memory\n"); | |
2500 | exit(1); | |
2501 | } | |
2502 | } | |
2503 | #endif | |
0824d6fc | 2504 | |
c4b1fcc0 FB |
2505 | /* we always create the cdrom drive, even if no disk is there */ |
2506 | if (has_cdrom) { | |
2507 | bs_table[2] = bdrv_new("cdrom"); | |
2508 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
2509 | } | |
2510 | ||
33e3963e FB |
2511 | /* open the virtual block devices */ |
2512 | for(i = 0; i < MAX_DISKS; i++) { | |
2513 | if (hd_filename[i]) { | |
33e3963e | 2514 | if (!bs_table[i]) { |
c4b1fcc0 FB |
2515 | char buf[64]; |
2516 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
2517 | bs_table[i] = bdrv_new(buf); | |
2518 | } | |
2519 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
36b486bb | 2520 | fprintf(stderr, "qemu: could not open hard disk image '%s\n", |
33e3963e FB |
2521 | hd_filename[i]); |
2522 | exit(1); | |
2523 | } | |
c4b1fcc0 FB |
2524 | if (i == 0 && cyls != 0) |
2525 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
2526 | } | |
2527 | } | |
2528 | ||
2529 | /* we always create at least one floppy disk */ | |
2530 | fd_table[0] = bdrv_new("fda"); | |
2531 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
2532 | ||
2533 | for(i = 0; i < MAX_FD; i++) { | |
2534 | if (fd_filename[i]) { | |
2535 | if (!fd_table[i]) { | |
2536 | char buf[64]; | |
2537 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
2538 | fd_table[i] = bdrv_new(buf); | |
2539 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
2540 | } | |
2541 | if (fd_filename[i] != '\0') { | |
2542 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 2543 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
2544 | fd_filename[i]); |
2545 | exit(1); | |
2546 | } | |
2547 | } | |
33e3963e FB |
2548 | } |
2549 | } | |
2550 | ||
330d0414 FB |
2551 | /* init CPU state */ |
2552 | env = cpu_init(); | |
2553 | global_env = env; | |
2554 | cpu_single_env = env; | |
2555 | ||
8a7ddc38 FB |
2556 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
2557 | register_savevm("cpu", 0, 1, cpu_save, cpu_load, env); | |
2558 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
2559 | ||
330d0414 | 2560 | init_ioports(); |
80cabfad | 2561 | cpu_calibrate_ticks(); |
0824d6fc | 2562 | |
313aa567 | 2563 | /* terminal init */ |
a20dd508 | 2564 | if (nographic) { |
313aa567 FB |
2565 | dumb_display_init(ds); |
2566 | } else { | |
2567 | #ifdef CONFIG_SDL | |
2568 | sdl_display_init(ds); | |
313aa567 FB |
2569 | #else |
2570 | dumb_display_init(ds); | |
2571 | #endif | |
2572 | } | |
0824d6fc | 2573 | |
0824d6fc | 2574 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 2575 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 2576 | |
77fef8c1 FB |
2577 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2578 | { | |
2579 | stack_t stk; | |
73332e5c | 2580 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
2581 | stk.ss_sp = signal_stack; |
2582 | stk.ss_size = SIGNAL_STACK_SIZE; | |
2583 | stk.ss_flags = 0; | |
2584 | ||
2585 | if (sigaltstack(&stk, NULL) < 0) { | |
2586 | perror("sigaltstack"); | |
2587 | exit(1); | |
2588 | } | |
2589 | } | |
2590 | #endif | |
8a7ddc38 FB |
2591 | { |
2592 | struct sigaction act; | |
77fef8c1 | 2593 | |
8a7ddc38 FB |
2594 | sigfillset(&act.sa_mask); |
2595 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 2596 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2597 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 2598 | #endif |
8a7ddc38 FB |
2599 | act.sa_sigaction = host_segv_handler; |
2600 | sigaction(SIGSEGV, &act, NULL); | |
2601 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 2602 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 2603 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 2604 | #endif |
8a7ddc38 | 2605 | } |
3a51dee6 | 2606 | #endif |
0824d6fc | 2607 | |
67b915a5 | 2608 | #ifndef _WIN32 |
8a7ddc38 FB |
2609 | { |
2610 | struct sigaction act; | |
2611 | sigfillset(&act.sa_mask); | |
2612 | act.sa_flags = 0; | |
2613 | act.sa_handler = SIG_IGN; | |
2614 | sigaction(SIGPIPE, &act, NULL); | |
2615 | } | |
67b915a5 | 2616 | #endif |
73332e5c FB |
2617 | init_timers(); |
2618 | ||
2619 | #if defined(TARGET_I386) | |
2620 | pc_init(ram_size, vga_ram_size, boot_device, | |
2621 | ds, fd_filename, snapshot, | |
2622 | kernel_filename, kernel_cmdline, initrd_filename); | |
2623 | #elif defined(TARGET_PPC) | |
a541f297 FB |
2624 | ppc_init(ram_size, vga_ram_size, boot_device, |
2625 | ds, fd_filename, snapshot, | |
2626 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
2627 | #endif |
2628 | ||
2629 | /* launched after the device init so that it can display or not a | |
2630 | banner */ | |
2631 | monitor_init(); | |
0824d6fc | 2632 | |
8a7ddc38 FB |
2633 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
2634 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 2635 | |
67b915a5 | 2636 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 2637 | if (use_gdbstub) { |
8a7ddc38 FB |
2638 | if (gdbserver_start(gdbstub_port) < 0) { |
2639 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
2640 | gdbstub_port); | |
2641 | exit(1); | |
2642 | } else { | |
2643 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
2644 | } | |
67b915a5 FB |
2645 | } else |
2646 | #endif | |
a541f297 | 2647 | if (start_emulation) |
67b915a5 | 2648 | { |
8a7ddc38 | 2649 | vm_start(); |
0824d6fc | 2650 | } |
8a7ddc38 FB |
2651 | term_init(); |
2652 | main_loop(); | |
40c3bac3 | 2653 | quit_timers(); |
0824d6fc FB |
2654 | return 0; |
2655 | } |