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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; |
313aa567 | 115 | int64_t ticks_per_sec; |
36b486bb | 116 | int boot_device = 'c'; |
0ced6589 | 117 | int ram_size; |
80cabfad FB |
118 | static char network_script[1024]; |
119 | int pit_min_timer_count = 0; | |
c4b1fcc0 FB |
120 | int nb_nics; |
121 | NetDriverState nd_table[MAX_NICS]; | |
8a7ddc38 FB |
122 | QEMUTimer *gui_timer; |
123 | int vm_running; | |
aaaa7df6 | 124 | int audio_enabled = 0; |
bb0c6722 | 125 | int pci_enabled = 1; |
77d4bc34 | 126 | int prep_enabled = 0; |
ee22c2f7 | 127 | int rtc_utc = 1; |
1bfe856e FB |
128 | int cirrus_vga_enabled = 1; |
129 | int graphic_width = 800; | |
130 | int graphic_height = 600; | |
e9b137c2 | 131 | int graphic_depth = 15; |
82c643ff | 132 | TextConsole *vga_console; |
8d11df9e | 133 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
0824d6fc FB |
134 | |
135 | /***********************************************************/ | |
26aa7d72 FB |
136 | /* x86 ISA bus support */ |
137 | ||
138 | target_phys_addr_t isa_mem_base = 0; | |
0824d6fc | 139 | |
c4b1fcc0 | 140 | uint32_t default_ioport_readb(void *opaque, uint32_t address) |
0824d6fc FB |
141 | { |
142 | #ifdef DEBUG_UNUSED_IOPORT | |
143 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
144 | #endif | |
fc01f7e7 | 145 | return 0xff; |
0824d6fc FB |
146 | } |
147 | ||
c4b1fcc0 | 148 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
0824d6fc FB |
149 | { |
150 | #ifdef DEBUG_UNUSED_IOPORT | |
151 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
152 | #endif | |
153 | } | |
154 | ||
155 | /* default is to make two byte accesses */ | |
c4b1fcc0 | 156 | uint32_t default_ioport_readw(void *opaque, uint32_t address) |
0824d6fc FB |
157 | { |
158 | uint32_t data; | |
db45c29a FB |
159 | data = ioport_read_table[0][address](ioport_opaque[address], address); |
160 | address = (address + 1) & (MAX_IOPORTS - 1); | |
161 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
0824d6fc FB |
162 | return data; |
163 | } | |
164 | ||
c4b1fcc0 | 165 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 166 | { |
db45c29a FB |
167 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
168 | address = (address + 1) & (MAX_IOPORTS - 1); | |
169 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
0824d6fc FB |
170 | } |
171 | ||
c4b1fcc0 | 172 | uint32_t default_ioport_readl(void *opaque, uint32_t address) |
0824d6fc | 173 | { |
fc01f7e7 FB |
174 | #ifdef DEBUG_UNUSED_IOPORT |
175 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
176 | #endif | |
177 | return 0xffffffff; | |
0824d6fc FB |
178 | } |
179 | ||
c4b1fcc0 | 180 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
0824d6fc | 181 | { |
fc01f7e7 FB |
182 | #ifdef DEBUG_UNUSED_IOPORT |
183 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
184 | #endif | |
0824d6fc FB |
185 | } |
186 | ||
fc01f7e7 | 187 | void init_ioports(void) |
0824d6fc FB |
188 | { |
189 | int i; | |
190 | ||
fc01f7e7 FB |
191 | for(i = 0; i < MAX_IOPORTS; i++) { |
192 | ioport_read_table[0][i] = default_ioport_readb; | |
193 | ioport_write_table[0][i] = default_ioport_writeb; | |
194 | ioport_read_table[1][i] = default_ioport_readw; | |
195 | ioport_write_table[1][i] = default_ioport_writew; | |
196 | ioport_read_table[2][i] = default_ioport_readl; | |
197 | ioport_write_table[2][i] = default_ioport_writel; | |
198 | } | |
0824d6fc FB |
199 | } |
200 | ||
fc01f7e7 | 201 | /* size is the word size in byte */ |
c4b1fcc0 FB |
202 | int register_ioport_read(int start, int length, int size, |
203 | IOPortReadFunc *func, void *opaque) | |
f1510b2c | 204 | { |
fc01f7e7 | 205 | int i, bsize; |
f1510b2c | 206 | |
c4b1fcc0 | 207 | if (size == 1) { |
fc01f7e7 | 208 | bsize = 0; |
c4b1fcc0 | 209 | } else if (size == 2) { |
fc01f7e7 | 210 | bsize = 1; |
c4b1fcc0 | 211 | } else if (size == 4) { |
fc01f7e7 | 212 | bsize = 2; |
c4b1fcc0 FB |
213 | } else { |
214 | hw_error("register_ioport_read: invalid size"); | |
fc01f7e7 | 215 | return -1; |
c4b1fcc0 FB |
216 | } |
217 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 218 | ioport_read_table[bsize][i] = func; |
c4b1fcc0 FB |
219 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
220 | hw_error("register_ioport_read: invalid opaque"); | |
221 | ioport_opaque[i] = opaque; | |
222 | } | |
f1510b2c FB |
223 | return 0; |
224 | } | |
225 | ||
fc01f7e7 | 226 | /* size is the word size in byte */ |
c4b1fcc0 FB |
227 | int register_ioport_write(int start, int length, int size, |
228 | IOPortWriteFunc *func, void *opaque) | |
f1510b2c | 229 | { |
fc01f7e7 | 230 | int i, bsize; |
f1510b2c | 231 | |
c4b1fcc0 | 232 | if (size == 1) { |
fc01f7e7 | 233 | bsize = 0; |
c4b1fcc0 | 234 | } else if (size == 2) { |
fc01f7e7 | 235 | bsize = 1; |
c4b1fcc0 | 236 | } else if (size == 4) { |
fc01f7e7 | 237 | bsize = 2; |
c4b1fcc0 FB |
238 | } else { |
239 | hw_error("register_ioport_write: invalid size"); | |
fc01f7e7 | 240 | return -1; |
c4b1fcc0 FB |
241 | } |
242 | for(i = start; i < start + length; i += size) { | |
fc01f7e7 | 243 | ioport_write_table[bsize][i] = func; |
c4b1fcc0 FB |
244 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
245 | hw_error("register_ioport_read: invalid opaque"); | |
246 | ioport_opaque[i] = opaque; | |
247 | } | |
f1510b2c FB |
248 | return 0; |
249 | } | |
250 | ||
69b91039 FB |
251 | void isa_unassign_ioport(int start, int length) |
252 | { | |
253 | int i; | |
254 | ||
255 | for(i = start; i < start + length; i++) { | |
256 | ioport_read_table[0][i] = default_ioport_readb; | |
257 | ioport_read_table[1][i] = default_ioport_readw; | |
258 | ioport_read_table[2][i] = default_ioport_readl; | |
259 | ||
260 | ioport_write_table[0][i] = default_ioport_writeb; | |
261 | ioport_write_table[1][i] = default_ioport_writew; | |
262 | ioport_write_table[2][i] = default_ioport_writel; | |
263 | } | |
264 | } | |
265 | ||
0824d6fc FB |
266 | void pstrcpy(char *buf, int buf_size, const char *str) |
267 | { | |
268 | int c; | |
269 | char *q = buf; | |
270 | ||
271 | if (buf_size <= 0) | |
272 | return; | |
273 | ||
274 | for(;;) { | |
275 | c = *str++; | |
276 | if (c == 0 || q >= buf + buf_size - 1) | |
277 | break; | |
278 | *q++ = c; | |
279 | } | |
280 | *q = '\0'; | |
281 | } | |
282 | ||
283 | /* strcat and truncate. */ | |
284 | char *pstrcat(char *buf, int buf_size, const char *s) | |
285 | { | |
286 | int len; | |
287 | len = strlen(buf); | |
288 | if (len < buf_size) | |
289 | pstrcpy(buf + len, buf_size - len, s); | |
290 | return buf; | |
291 | } | |
292 | ||
82c643ff FB |
293 | int strstart(const char *str, const char *val, const char **ptr) |
294 | { | |
295 | const char *p, *q; | |
296 | p = str; | |
297 | q = val; | |
298 | while (*q != '\0') { | |
299 | if (*p != *q) | |
300 | return 0; | |
301 | p++; | |
302 | q++; | |
303 | } | |
304 | if (ptr) | |
305 | *ptr = p; | |
306 | return 1; | |
307 | } | |
308 | ||
7587cf44 FB |
309 | /* return the size or -1 if error */ |
310 | int get_image_size(const char *filename) | |
311 | { | |
312 | int fd, size; | |
313 | fd = open(filename, O_RDONLY | O_BINARY); | |
314 | if (fd < 0) | |
315 | return -1; | |
316 | size = lseek(fd, 0, SEEK_END); | |
317 | close(fd); | |
318 | return size; | |
319 | } | |
320 | ||
0824d6fc FB |
321 | /* return the size or -1 if error */ |
322 | int load_image(const char *filename, uint8_t *addr) | |
323 | { | |
324 | int fd, size; | |
40c3bac3 | 325 | fd = open(filename, O_RDONLY | O_BINARY); |
0824d6fc FB |
326 | if (fd < 0) |
327 | return -1; | |
328 | size = lseek(fd, 0, SEEK_END); | |
329 | lseek(fd, 0, SEEK_SET); | |
330 | if (read(fd, addr, size) != size) { | |
331 | close(fd); | |
332 | return -1; | |
333 | } | |
334 | close(fd); | |
335 | return size; | |
336 | } | |
337 | ||
c45886db | 338 | void cpu_outb(CPUState *env, int addr, int val) |
0824d6fc | 339 | { |
fd872598 FB |
340 | #ifdef DEBUG_IOPORT |
341 | if (loglevel & CPU_LOG_IOPORT) | |
342 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
343 | #endif | |
c4b1fcc0 | 344 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
345 | } |
346 | ||
c45886db | 347 | void cpu_outw(CPUState *env, int addr, int val) |
0824d6fc | 348 | { |
fd872598 FB |
349 | #ifdef DEBUG_IOPORT |
350 | if (loglevel & CPU_LOG_IOPORT) | |
351 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
352 | #endif | |
c4b1fcc0 | 353 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
354 | } |
355 | ||
c45886db | 356 | void cpu_outl(CPUState *env, int addr, int val) |
0824d6fc | 357 | { |
fd872598 FB |
358 | #ifdef DEBUG_IOPORT |
359 | if (loglevel & CPU_LOG_IOPORT) | |
360 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
361 | #endif | |
c4b1fcc0 | 362 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); |
0824d6fc FB |
363 | } |
364 | ||
c45886db | 365 | int cpu_inb(CPUState *env, int addr) |
0824d6fc | 366 | { |
fd872598 | 367 | int val; |
fd872598 FB |
368 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); |
369 | #ifdef DEBUG_IOPORT | |
370 | if (loglevel & CPU_LOG_IOPORT) | |
371 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
372 | #endif | |
373 | return val; | |
0824d6fc FB |
374 | } |
375 | ||
c45886db | 376 | int cpu_inw(CPUState *env, int addr) |
0824d6fc | 377 | { |
fd872598 | 378 | int val; |
fd872598 FB |
379 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); |
380 | #ifdef DEBUG_IOPORT | |
381 | if (loglevel & CPU_LOG_IOPORT) | |
382 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
383 | #endif | |
384 | return val; | |
0824d6fc FB |
385 | } |
386 | ||
c45886db | 387 | int cpu_inl(CPUState *env, int addr) |
0824d6fc | 388 | { |
fd872598 | 389 | int val; |
fd872598 FB |
390 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); |
391 | #ifdef DEBUG_IOPORT | |
392 | if (loglevel & CPU_LOG_IOPORT) | |
393 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
394 | #endif | |
395 | return val; | |
0824d6fc FB |
396 | } |
397 | ||
398 | /***********************************************************/ | |
0824d6fc FB |
399 | void hw_error(const char *fmt, ...) |
400 | { | |
401 | va_list ap; | |
402 | ||
403 | va_start(ap, fmt); | |
404 | fprintf(stderr, "qemu: hardware error: "); | |
405 | vfprintf(stderr, fmt, ap); | |
406 | fprintf(stderr, "\n"); | |
407 | #ifdef TARGET_I386 | |
408 | cpu_x86_dump_state(global_env, stderr, X86_DUMP_FPU | X86_DUMP_CCOP); | |
c45886db FB |
409 | #else |
410 | cpu_dump_state(global_env, stderr, 0); | |
0824d6fc FB |
411 | #endif |
412 | va_end(ap); | |
413 | abort(); | |
414 | } | |
415 | ||
63066f4f FB |
416 | /***********************************************************/ |
417 | /* keyboard/mouse */ | |
418 | ||
419 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
420 | static void *qemu_put_kbd_event_opaque; | |
421 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
422 | static void *qemu_put_mouse_event_opaque; | |
423 | ||
424 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
425 | { | |
426 | qemu_put_kbd_event_opaque = opaque; | |
427 | qemu_put_kbd_event = func; | |
428 | } | |
429 | ||
430 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
431 | { | |
432 | qemu_put_mouse_event_opaque = opaque; | |
433 | qemu_put_mouse_event = func; | |
434 | } | |
435 | ||
436 | void kbd_put_keycode(int keycode) | |
437 | { | |
438 | if (qemu_put_kbd_event) { | |
439 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
440 | } | |
441 | } | |
442 | ||
443 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
444 | { | |
445 | if (qemu_put_mouse_event) { | |
446 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
447 | dx, dy, dz, buttons_state); | |
448 | } | |
449 | } | |
450 | ||
8a7ddc38 FB |
451 | /***********************************************************/ |
452 | /* timers */ | |
453 | ||
34865134 FB |
454 | #if defined(__powerpc__) |
455 | ||
456 | static inline uint32_t get_tbl(void) | |
0824d6fc | 457 | { |
34865134 FB |
458 | uint32_t tbl; |
459 | asm volatile("mftb %0" : "=r" (tbl)); | |
460 | return tbl; | |
0824d6fc FB |
461 | } |
462 | ||
34865134 FB |
463 | static inline uint32_t get_tbu(void) |
464 | { | |
465 | uint32_t tbl; | |
466 | asm volatile("mftbu %0" : "=r" (tbl)); | |
467 | return tbl; | |
468 | } | |
469 | ||
470 | int64_t cpu_get_real_ticks(void) | |
471 | { | |
472 | uint32_t l, h, h1; | |
473 | /* NOTE: we test if wrapping has occurred */ | |
474 | do { | |
475 | h = get_tbu(); | |
476 | l = get_tbl(); | |
477 | h1 = get_tbu(); | |
478 | } while (h != h1); | |
479 | return ((int64_t)h << 32) | l; | |
480 | } | |
481 | ||
482 | #elif defined(__i386__) | |
483 | ||
484 | int64_t cpu_get_real_ticks(void) | |
0824d6fc FB |
485 | { |
486 | int64_t val; | |
e463b581 | 487 | asm volatile ("rdtsc" : "=A" (val)); |
0824d6fc FB |
488 | return val; |
489 | } | |
490 | ||
1115dde7 FB |
491 | #elif defined(__x86_64__) |
492 | ||
493 | int64_t cpu_get_real_ticks(void) | |
494 | { | |
495 | uint32_t low,high; | |
496 | int64_t val; | |
497 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
498 | val = high; | |
499 | val <<= 32; | |
500 | val |= low; | |
501 | return val; | |
502 | } | |
503 | ||
34865134 FB |
504 | #else |
505 | #error unsupported CPU | |
506 | #endif | |
507 | ||
508 | static int64_t cpu_ticks_offset; | |
8a7ddc38 | 509 | static int cpu_ticks_enabled; |
34865134 | 510 | |
8a7ddc38 | 511 | static inline int64_t cpu_get_ticks(void) |
34865134 | 512 | { |
8a7ddc38 FB |
513 | if (!cpu_ticks_enabled) { |
514 | return cpu_ticks_offset; | |
515 | } else { | |
516 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
517 | } | |
34865134 FB |
518 | } |
519 | ||
520 | /* enable cpu_get_ticks() */ | |
521 | void cpu_enable_ticks(void) | |
522 | { | |
8a7ddc38 FB |
523 | if (!cpu_ticks_enabled) { |
524 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
525 | cpu_ticks_enabled = 1; | |
526 | } | |
34865134 FB |
527 | } |
528 | ||
529 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
530 | cpu_get_ticks() after that. */ | |
531 | void cpu_disable_ticks(void) | |
532 | { | |
8a7ddc38 FB |
533 | if (cpu_ticks_enabled) { |
534 | cpu_ticks_offset = cpu_get_ticks(); | |
535 | cpu_ticks_enabled = 0; | |
536 | } | |
34865134 FB |
537 | } |
538 | ||
67b915a5 | 539 | static int64_t get_clock(void) |
34865134 | 540 | { |
67b915a5 FB |
541 | #ifdef _WIN32 |
542 | struct _timeb tb; | |
543 | _ftime(&tb); | |
544 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
545 | #else | |
34865134 FB |
546 | struct timeval tv; |
547 | gettimeofday(&tv, NULL); | |
548 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
67b915a5 | 549 | #endif |
34865134 FB |
550 | } |
551 | ||
0824d6fc FB |
552 | void cpu_calibrate_ticks(void) |
553 | { | |
554 | int64_t usec, ticks; | |
555 | ||
556 | usec = get_clock(); | |
8a7ddc38 | 557 | ticks = cpu_get_real_ticks(); |
67b915a5 FB |
558 | #ifdef _WIN32 |
559 | Sleep(50); | |
560 | #else | |
0824d6fc | 561 | usleep(50 * 1000); |
67b915a5 | 562 | #endif |
0824d6fc | 563 | usec = get_clock() - usec; |
8a7ddc38 | 564 | ticks = cpu_get_real_ticks() - ticks; |
0824d6fc FB |
565 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
566 | } | |
567 | ||
87858c89 | 568 | /* compute with 96 bit intermediate result: (a*b)/c */ |
80cabfad | 569 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
87858c89 FB |
570 | { |
571 | union { | |
572 | uint64_t ll; | |
573 | struct { | |
574 | #ifdef WORDS_BIGENDIAN | |
575 | uint32_t high, low; | |
576 | #else | |
577 | uint32_t low, high; | |
578 | #endif | |
579 | } l; | |
580 | } u, res; | |
581 | uint64_t rl, rh; | |
582 | ||
583 | u.ll = a; | |
584 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
585 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
586 | rh += (rl >> 32); | |
587 | res.l.high = rh / c; | |
588 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
589 | return res.ll; | |
590 | } | |
591 | ||
8a7ddc38 FB |
592 | #define QEMU_TIMER_REALTIME 0 |
593 | #define QEMU_TIMER_VIRTUAL 1 | |
594 | ||
595 | struct QEMUClock { | |
596 | int type; | |
597 | /* XXX: add frequency */ | |
598 | }; | |
599 | ||
600 | struct QEMUTimer { | |
601 | QEMUClock *clock; | |
602 | int64_t expire_time; | |
603 | QEMUTimerCB *cb; | |
604 | void *opaque; | |
605 | struct QEMUTimer *next; | |
606 | }; | |
607 | ||
608 | QEMUClock *rt_clock; | |
609 | QEMUClock *vm_clock; | |
610 | ||
611 | static QEMUTimer *active_timers[2]; | |
40c3bac3 FB |
612 | #ifdef _WIN32 |
613 | static MMRESULT timerID; | |
614 | #else | |
8a7ddc38 FB |
615 | /* frequency of the times() clock tick */ |
616 | static int timer_freq; | |
67b915a5 | 617 | #endif |
8a7ddc38 FB |
618 | |
619 | QEMUClock *qemu_new_clock(int type) | |
620 | { | |
621 | QEMUClock *clock; | |
622 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
623 | if (!clock) | |
624 | return NULL; | |
625 | clock->type = type; | |
626 | return clock; | |
627 | } | |
628 | ||
629 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
630 | { | |
631 | QEMUTimer *ts; | |
632 | ||
633 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
634 | ts->clock = clock; | |
635 | ts->cb = cb; | |
636 | ts->opaque = opaque; | |
637 | return ts; | |
638 | } | |
639 | ||
640 | void qemu_free_timer(QEMUTimer *ts) | |
641 | { | |
642 | qemu_free(ts); | |
643 | } | |
644 | ||
645 | /* stop a timer, but do not dealloc it */ | |
646 | void qemu_del_timer(QEMUTimer *ts) | |
647 | { | |
648 | QEMUTimer **pt, *t; | |
649 | ||
650 | /* NOTE: this code must be signal safe because | |
651 | qemu_timer_expired() can be called from a signal. */ | |
652 | pt = &active_timers[ts->clock->type]; | |
653 | for(;;) { | |
654 | t = *pt; | |
655 | if (!t) | |
656 | break; | |
657 | if (t == ts) { | |
658 | *pt = t->next; | |
659 | break; | |
660 | } | |
661 | pt = &t->next; | |
662 | } | |
663 | } | |
664 | ||
665 | /* modify the current timer so that it will be fired when current_time | |
666 | >= expire_time. The corresponding callback will be called. */ | |
667 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
668 | { | |
669 | QEMUTimer **pt, *t; | |
670 | ||
671 | qemu_del_timer(ts); | |
672 | ||
673 | /* add the timer in the sorted list */ | |
674 | /* NOTE: this code must be signal safe because | |
675 | qemu_timer_expired() can be called from a signal. */ | |
676 | pt = &active_timers[ts->clock->type]; | |
677 | for(;;) { | |
678 | t = *pt; | |
679 | if (!t) | |
680 | break; | |
681 | if (t->expire_time > expire_time) | |
682 | break; | |
683 | pt = &t->next; | |
684 | } | |
685 | ts->expire_time = expire_time; | |
686 | ts->next = *pt; | |
687 | *pt = ts; | |
688 | } | |
689 | ||
690 | int qemu_timer_pending(QEMUTimer *ts) | |
691 | { | |
692 | QEMUTimer *t; | |
693 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
694 | if (t == ts) | |
695 | return 1; | |
696 | } | |
697 | return 0; | |
698 | } | |
699 | ||
700 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
701 | { | |
702 | if (!timer_head) | |
703 | return 0; | |
704 | return (timer_head->expire_time <= current_time); | |
705 | } | |
706 | ||
707 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
708 | { | |
709 | QEMUTimer *ts; | |
710 | ||
711 | for(;;) { | |
712 | ts = *ptimer_head; | |
713 | if (ts->expire_time > current_time) | |
714 | break; | |
715 | /* remove timer from the list before calling the callback */ | |
716 | *ptimer_head = ts->next; | |
717 | ts->next = NULL; | |
718 | ||
719 | /* run the callback (the timer list can be modified) */ | |
720 | ts->cb(ts->opaque); | |
721 | } | |
722 | } | |
723 | ||
724 | int64_t qemu_get_clock(QEMUClock *clock) | |
725 | { | |
726 | switch(clock->type) { | |
727 | case QEMU_TIMER_REALTIME: | |
67b915a5 FB |
728 | #ifdef _WIN32 |
729 | return GetTickCount(); | |
730 | #else | |
7d3505c5 FB |
731 | { |
732 | struct tms tp; | |
733 | ||
734 | /* Note that using gettimeofday() is not a good solution | |
735 | for timers because its value change when the date is | |
736 | modified. */ | |
737 | if (timer_freq == 100) { | |
738 | return times(&tp) * 10; | |
739 | } else { | |
740 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
741 | } | |
8a7ddc38 | 742 | } |
67b915a5 | 743 | #endif |
8a7ddc38 FB |
744 | default: |
745 | case QEMU_TIMER_VIRTUAL: | |
746 | return cpu_get_ticks(); | |
747 | } | |
748 | } | |
749 | ||
750 | /* save a timer */ | |
751 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
752 | { | |
753 | uint64_t expire_time; | |
754 | ||
755 | if (qemu_timer_pending(ts)) { | |
756 | expire_time = ts->expire_time; | |
757 | } else { | |
758 | expire_time = -1; | |
759 | } | |
760 | qemu_put_be64(f, expire_time); | |
761 | } | |
762 | ||
763 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
764 | { | |
765 | uint64_t expire_time; | |
766 | ||
767 | expire_time = qemu_get_be64(f); | |
768 | if (expire_time != -1) { | |
769 | qemu_mod_timer(ts, expire_time); | |
770 | } else { | |
771 | qemu_del_timer(ts); | |
772 | } | |
773 | } | |
774 | ||
775 | static void timer_save(QEMUFile *f, void *opaque) | |
776 | { | |
777 | if (cpu_ticks_enabled) { | |
778 | hw_error("cannot save state if virtual timers are running"); | |
779 | } | |
780 | qemu_put_be64s(f, &cpu_ticks_offset); | |
781 | qemu_put_be64s(f, &ticks_per_sec); | |
782 | } | |
783 | ||
784 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
785 | { | |
786 | if (version_id != 1) | |
787 | return -EINVAL; | |
788 | if (cpu_ticks_enabled) { | |
789 | return -EINVAL; | |
790 | } | |
791 | qemu_get_be64s(f, &cpu_ticks_offset); | |
792 | qemu_get_be64s(f, &ticks_per_sec); | |
793 | return 0; | |
794 | } | |
795 | ||
67b915a5 FB |
796 | #ifdef _WIN32 |
797 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
798 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
799 | #else | |
8a7ddc38 | 800 | static void host_alarm_handler(int host_signum) |
67b915a5 | 801 | #endif |
8a7ddc38 | 802 | { |
02ba45c5 FB |
803 | #if 0 |
804 | #define DISP_FREQ 1000 | |
805 | { | |
806 | static int64_t delta_min = INT64_MAX; | |
807 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
808 | static int count; | |
809 | ti = qemu_get_clock(vm_clock); | |
810 | if (last_clock != 0) { | |
811 | delta = ti - last_clock; | |
812 | if (delta < delta_min) | |
813 | delta_min = delta; | |
814 | if (delta > delta_max) | |
815 | delta_max = delta; | |
816 | delta_cum += delta; | |
817 | if (++count == DISP_FREQ) { | |
818 | printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n", | |
819 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
820 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
821 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
822 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
823 | count = 0; | |
824 | delta_min = INT64_MAX; | |
825 | delta_max = 0; | |
826 | delta_cum = 0; | |
827 | } | |
828 | } | |
829 | last_clock = ti; | |
830 | } | |
831 | #endif | |
8a7ddc38 FB |
832 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], |
833 | qemu_get_clock(vm_clock)) || | |
834 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
835 | qemu_get_clock(rt_clock))) { | |
836 | /* stop the cpu because a timer occured */ | |
837 | cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); | |
838 | } | |
839 | } | |
840 | ||
fd872598 FB |
841 | #ifndef _WIN32 |
842 | ||
829309c7 FB |
843 | #if defined(__linux__) |
844 | ||
fd872598 FB |
845 | #define RTC_FREQ 1024 |
846 | ||
847 | static int rtc_fd; | |
829309c7 | 848 | |
fd872598 FB |
849 | static int start_rtc_timer(void) |
850 | { | |
851 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
852 | if (rtc_fd < 0) | |
853 | return -1; | |
854 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
855 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
856 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
857 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
858 | goto fail; | |
859 | } | |
860 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
861 | fail: | |
862 | close(rtc_fd); | |
863 | return -1; | |
864 | } | |
865 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
866 | return 0; | |
867 | } | |
868 | ||
829309c7 FB |
869 | #else |
870 | ||
871 | static int start_rtc_timer(void) | |
872 | { | |
873 | return -1; | |
874 | } | |
875 | ||
876 | #endif /* !defined(__linux__) */ | |
877 | ||
878 | #endif /* !defined(_WIN32) */ | |
fd872598 | 879 | |
8a7ddc38 FB |
880 | static void init_timers(void) |
881 | { | |
8a7ddc38 FB |
882 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
883 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
884 | ||
67b915a5 FB |
885 | #ifdef _WIN32 |
886 | { | |
887 | int count=0; | |
40c3bac3 FB |
888 | timerID = timeSetEvent(10, // interval (ms) |
889 | 0, // resolution | |
890 | host_alarm_handler, // function | |
891 | (DWORD)&count, // user parameter | |
892 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
67b915a5 FB |
893 | if( !timerID ) { |
894 | perror("failed timer alarm"); | |
895 | exit(1); | |
896 | } | |
897 | } | |
898 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
899 | #else | |
900 | { | |
901 | struct sigaction act; | |
902 | struct itimerval itv; | |
903 | ||
904 | /* get times() syscall frequency */ | |
905 | timer_freq = sysconf(_SC_CLK_TCK); | |
906 | ||
907 | /* timer signal */ | |
908 | sigfillset(&act.sa_mask); | |
909 | act.sa_flags = 0; | |
8a7ddc38 | 910 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
67b915a5 FB |
911 | act.sa_flags |= SA_ONSTACK; |
912 | #endif | |
913 | act.sa_handler = host_alarm_handler; | |
914 | sigaction(SIGALRM, &act, NULL); | |
fd872598 | 915 | |
67b915a5 FB |
916 | itv.it_interval.tv_sec = 0; |
917 | itv.it_interval.tv_usec = 1000; | |
918 | itv.it_value.tv_sec = 0; | |
919 | itv.it_value.tv_usec = 10 * 1000; | |
920 | setitimer(ITIMER_REAL, &itv, NULL); | |
921 | /* we probe the tick duration of the kernel to inform the user if | |
922 | the emulated kernel requested a too high timer frequency */ | |
923 | getitimer(ITIMER_REAL, &itv); | |
fd872598 | 924 | |
83fb7adf | 925 | #if defined(__linux__) |
fd872598 FB |
926 | if (itv.it_interval.tv_usec > 1000) { |
927 | /* try to use /dev/rtc to have a faster timer */ | |
928 | if (start_rtc_timer() < 0) | |
929 | goto use_itimer; | |
930 | /* disable itimer */ | |
931 | itv.it_interval.tv_sec = 0; | |
932 | itv.it_interval.tv_usec = 0; | |
933 | itv.it_value.tv_sec = 0; | |
934 | itv.it_value.tv_usec = 0; | |
935 | setitimer(ITIMER_REAL, &itv, NULL); | |
936 | ||
937 | /* use the RTC */ | |
a1968d71 | 938 | sigaction(SIGIO, &act, NULL); |
fd872598 FB |
939 | fcntl(rtc_fd, F_SETFL, O_ASYNC); |
940 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
83fb7adf FB |
941 | } else |
942 | #endif /* defined(__linux__) */ | |
943 | { | |
fd872598 FB |
944 | use_itimer: |
945 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
946 | PIT_FREQ) / 1000000; | |
947 | } | |
67b915a5 | 948 | } |
8a7ddc38 | 949 | #endif |
8a7ddc38 FB |
950 | } |
951 | ||
40c3bac3 FB |
952 | void quit_timers(void) |
953 | { | |
954 | #ifdef _WIN32 | |
955 | timeKillEvent(timerID); | |
956 | #endif | |
957 | } | |
958 | ||
c4b1fcc0 | 959 | /***********************************************************/ |
82c643ff | 960 | /* character device */ |
313aa567 | 961 | |
82c643ff FB |
962 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
963 | { | |
964 | return s->chr_write(s, buf, len); | |
965 | } | |
67b915a5 | 966 | |
82c643ff | 967 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
67b915a5 | 968 | { |
82c643ff FB |
969 | char buf[4096]; |
970 | va_list ap; | |
971 | va_start(ap, fmt); | |
972 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
973 | qemu_chr_write(s, buf, strlen(buf)); | |
974 | va_end(ap); | |
67b915a5 FB |
975 | } |
976 | ||
5905b2e5 FB |
977 | void qemu_chr_send_event(CharDriverState *s, int event) |
978 | { | |
979 | if (s->chr_send_event) | |
980 | s->chr_send_event(s, event); | |
981 | } | |
982 | ||
82c643ff FB |
983 | void qemu_chr_add_read_handler(CharDriverState *s, |
984 | IOCanRWHandler *fd_can_read, | |
985 | IOReadHandler *fd_read, void *opaque) | |
986 | { | |
987 | s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); | |
988 | } | |
989 | ||
990 | void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event) | |
991 | { | |
992 | s->chr_event = chr_event; | |
993 | } | |
67b915a5 | 994 | |
82c643ff | 995 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
313aa567 | 996 | { |
82c643ff FB |
997 | return len; |
998 | } | |
999 | ||
1000 | static void null_chr_add_read_handler(CharDriverState *chr, | |
1001 | IOCanRWHandler *fd_can_read, | |
1002 | IOReadHandler *fd_read, void *opaque) | |
1003 | { | |
1004 | } | |
1005 | ||
1006 | CharDriverState *qemu_chr_open_null(void) | |
1007 | { | |
1008 | CharDriverState *chr; | |
1009 | ||
1010 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1011 | if (!chr) | |
1012 | return NULL; | |
1013 | chr->chr_write = null_chr_write; | |
1014 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1015 | return chr; | |
1016 | } | |
1017 | ||
1018 | #ifndef _WIN32 | |
1019 | ||
1020 | typedef struct { | |
1021 | int fd_in, fd_out; | |
1022 | /* for nographic stdio only */ | |
1023 | IOCanRWHandler *fd_can_read; | |
1024 | IOReadHandler *fd_read; | |
1025 | void *fd_opaque; | |
1026 | } FDCharDriver; | |
1027 | ||
1028 | #define STDIO_MAX_CLIENTS 2 | |
1029 | ||
1030 | static int stdio_nb_clients; | |
1031 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; | |
1032 | ||
1033 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1034 | { | |
1035 | FDCharDriver *s = chr->opaque; | |
1036 | return write(s->fd_out, buf, len); | |
1037 | } | |
1038 | ||
1039 | static void fd_chr_add_read_handler(CharDriverState *chr, | |
1040 | IOCanRWHandler *fd_can_read, | |
1041 | IOReadHandler *fd_read, void *opaque) | |
1042 | { | |
1043 | FDCharDriver *s = chr->opaque; | |
1044 | ||
1045 | if (nographic && s->fd_in == 0) { | |
1046 | s->fd_can_read = fd_can_read; | |
1047 | s->fd_read = fd_read; | |
1048 | s->fd_opaque = opaque; | |
80cabfad | 1049 | } else { |
82c643ff FB |
1050 | qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque); |
1051 | } | |
1052 | } | |
1053 | ||
1054 | /* open a character device to a unix fd */ | |
1055 | CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1056 | { | |
1057 | CharDriverState *chr; | |
1058 | FDCharDriver *s; | |
1059 | ||
1060 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1061 | if (!chr) | |
1062 | return NULL; | |
1063 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1064 | if (!s) { | |
1065 | free(chr); | |
1066 | return NULL; | |
1067 | } | |
1068 | s->fd_in = fd_in; | |
1069 | s->fd_out = fd_out; | |
1070 | chr->opaque = s; | |
1071 | chr->chr_write = fd_chr_write; | |
1072 | chr->chr_add_read_handler = fd_chr_add_read_handler; | |
1073 | return chr; | |
1074 | } | |
1075 | ||
1076 | /* for STDIO, we handle the case where several clients use it | |
1077 | (nographic mode) */ | |
1078 | ||
1079 | #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ | |
1080 | ||
1081 | static int term_got_escape, client_index; | |
1082 | ||
1083 | void term_print_help(void) | |
1084 | { | |
1085 | printf("\n" | |
1086 | "C-a h print this help\n" | |
1087 | "C-a x exit emulator\n" | |
1088 | "C-a s save disk data back to file (if -snapshot)\n" | |
1089 | "C-a b send break (magic sysrq)\n" | |
1090 | "C-a c switch between console and monitor\n" | |
1091 | "C-a C-a send C-a\n" | |
1092 | ); | |
1093 | } | |
1094 | ||
1095 | /* called when a char is received */ | |
1096 | static void stdio_received_byte(int ch) | |
1097 | { | |
1098 | if (term_got_escape) { | |
1099 | term_got_escape = 0; | |
1100 | switch(ch) { | |
1101 | case 'h': | |
1102 | term_print_help(); | |
1103 | break; | |
1104 | case 'x': | |
1105 | exit(0); | |
1106 | break; | |
1107 | case 's': | |
1108 | { | |
1109 | int i; | |
1110 | for (i = 0; i < MAX_DISKS; i++) { | |
1111 | if (bs_table[i]) | |
1112 | bdrv_commit(bs_table[i]); | |
1113 | } | |
1114 | } | |
1115 | break; | |
1116 | case 'b': | |
1117 | if (client_index < stdio_nb_clients) { | |
1118 | CharDriverState *chr; | |
1119 | FDCharDriver *s; | |
1120 | ||
1121 | chr = stdio_clients[client_index]; | |
1122 | s = chr->opaque; | |
1123 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
1124 | } | |
1125 | break; | |
1126 | case 'c': | |
1127 | client_index++; | |
1128 | if (client_index >= stdio_nb_clients) | |
1129 | client_index = 0; | |
1130 | if (client_index == 0) { | |
1131 | /* send a new line in the monitor to get the prompt */ | |
1132 | ch = '\r'; | |
1133 | goto send_char; | |
1134 | } | |
1135 | break; | |
1136 | case TERM_ESCAPE: | |
1137 | goto send_char; | |
1138 | } | |
1139 | } else if (ch == TERM_ESCAPE) { | |
1140 | term_got_escape = 1; | |
1141 | } else { | |
1142 | send_char: | |
1143 | if (client_index < stdio_nb_clients) { | |
1144 | uint8_t buf[1]; | |
1145 | CharDriverState *chr; | |
1146 | FDCharDriver *s; | |
1147 | ||
1148 | chr = stdio_clients[client_index]; | |
1149 | s = chr->opaque; | |
1150 | buf[0] = ch; | |
1151 | /* XXX: should queue the char if the device is not | |
1152 | ready */ | |
1153 | if (s->fd_can_read(s->fd_opaque) > 0) | |
1154 | s->fd_read(s->fd_opaque, buf, 1); | |
c4b1fcc0 | 1155 | } |
330d0414 | 1156 | } |
330d0414 FB |
1157 | } |
1158 | ||
82c643ff FB |
1159 | static int stdio_can_read(void *opaque) |
1160 | { | |
1161 | /* XXX: not strictly correct */ | |
1162 | return 1; | |
1163 | } | |
1164 | ||
1165 | static void stdio_read(void *opaque, const uint8_t *buf, int size) | |
1166 | { | |
1167 | int i; | |
1168 | for(i = 0; i < size; i++) | |
1169 | stdio_received_byte(buf[i]); | |
1170 | } | |
1171 | ||
8d11df9e FB |
1172 | /* init terminal so that we can grab keys */ |
1173 | static struct termios oldtty; | |
1174 | static int old_fd0_flags; | |
1175 | ||
1176 | static void term_exit(void) | |
1177 | { | |
1178 | tcsetattr (0, TCSANOW, &oldtty); | |
1179 | fcntl(0, F_SETFL, old_fd0_flags); | |
1180 | } | |
1181 | ||
1182 | static void term_init(void) | |
1183 | { | |
1184 | struct termios tty; | |
1185 | ||
1186 | tcgetattr (0, &tty); | |
1187 | oldtty = tty; | |
1188 | old_fd0_flags = fcntl(0, F_GETFL); | |
1189 | ||
1190 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1191 | |INLCR|IGNCR|ICRNL|IXON); | |
1192 | tty.c_oflag |= OPOST; | |
1193 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1194 | /* if graphical mode, we allow Ctrl-C handling */ | |
1195 | if (nographic) | |
1196 | tty.c_lflag &= ~ISIG; | |
1197 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1198 | tty.c_cflag |= CS8; | |
1199 | tty.c_cc[VMIN] = 1; | |
1200 | tty.c_cc[VTIME] = 0; | |
1201 | ||
1202 | tcsetattr (0, TCSANOW, &tty); | |
1203 | ||
1204 | atexit(term_exit); | |
1205 | ||
1206 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1207 | } | |
1208 | ||
82c643ff FB |
1209 | CharDriverState *qemu_chr_open_stdio(void) |
1210 | { | |
1211 | CharDriverState *chr; | |
1212 | ||
1213 | if (nographic) { | |
1214 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1215 | return NULL; | |
1216 | chr = qemu_chr_open_fd(0, 1); | |
1217 | if (stdio_nb_clients == 0) | |
1218 | qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL); | |
1219 | client_index = stdio_nb_clients; | |
1220 | } else { | |
1221 | if (stdio_nb_clients != 0) | |
1222 | return NULL; | |
1223 | chr = qemu_chr_open_fd(0, 1); | |
1224 | } | |
1225 | stdio_clients[stdio_nb_clients++] = chr; | |
8d11df9e FB |
1226 | if (stdio_nb_clients == 1) { |
1227 | /* set the terminal in raw mode */ | |
1228 | term_init(); | |
1229 | } | |
82c643ff FB |
1230 | return chr; |
1231 | } | |
1232 | ||
1233 | #if defined(__linux__) | |
1234 | CharDriverState *qemu_chr_open_pty(void) | |
1235 | { | |
1236 | char slave_name[1024]; | |
1237 | int master_fd, slave_fd; | |
1238 | ||
1239 | /* Not satisfying */ | |
1240 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1241 | return NULL; | |
1242 | } | |
1243 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1244 | return qemu_chr_open_fd(master_fd, master_fd); | |
1245 | } | |
1246 | #else | |
1247 | CharDriverState *qemu_chr_open_pty(void) | |
1248 | { | |
1249 | return NULL; | |
1250 | } | |
67b915a5 FB |
1251 | #endif |
1252 | ||
82c643ff FB |
1253 | #endif /* !defined(_WIN32) */ |
1254 | ||
1255 | CharDriverState *qemu_chr_open(const char *filename) | |
1256 | { | |
1257 | if (!strcmp(filename, "vc")) { | |
1258 | return text_console_init(&display_state); | |
1259 | } else if (!strcmp(filename, "null")) { | |
1260 | return qemu_chr_open_null(); | |
1261 | } else | |
1262 | #ifndef _WIN32 | |
1263 | if (!strcmp(filename, "pty")) { | |
1264 | return qemu_chr_open_pty(); | |
1265 | } else if (!strcmp(filename, "stdio")) { | |
1266 | return qemu_chr_open_stdio(); | |
1267 | } else | |
1268 | #endif | |
1269 | { | |
1270 | return NULL; | |
1271 | } | |
1272 | } | |
1273 | ||
80cabfad | 1274 | /***********************************************************/ |
c20709aa | 1275 | /* Linux network device redirectors */ |
330d0414 | 1276 | |
c20709aa FB |
1277 | void hex_dump(FILE *f, const uint8_t *buf, int size) |
1278 | { | |
1279 | int len, i, j, c; | |
1280 | ||
1281 | for(i=0;i<size;i+=16) { | |
1282 | len = size - i; | |
1283 | if (len > 16) | |
1284 | len = 16; | |
1285 | fprintf(f, "%08x ", i); | |
1286 | for(j=0;j<16;j++) { | |
1287 | if (j < len) | |
1288 | fprintf(f, " %02x", buf[i+j]); | |
1289 | else | |
1290 | fprintf(f, " "); | |
1291 | } | |
1292 | fprintf(f, " "); | |
1293 | for(j=0;j<len;j++) { | |
1294 | c = buf[i+j]; | |
1295 | if (c < ' ' || c > '~') | |
1296 | c = '.'; | |
1297 | fprintf(f, "%c", c); | |
1298 | } | |
1299 | fprintf(f, "\n"); | |
1300 | } | |
1301 | } | |
1302 | ||
1303 | void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1304 | { | |
1305 | nd->send_packet(nd, buf, size); | |
1306 | } | |
67b915a5 | 1307 | |
c20709aa FB |
1308 | void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read, |
1309 | IOReadHandler *fd_read, void *opaque) | |
67b915a5 | 1310 | { |
c20709aa FB |
1311 | nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
1312 | } | |
1313 | ||
1314 | /* dummy network adapter */ | |
1315 | ||
1316 | static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) | |
1317 | { | |
1318 | } | |
1319 | ||
1320 | static void dummy_add_read_packet(NetDriverState *nd, | |
1321 | IOCanRWHandler *fd_can_read, | |
1322 | IOReadHandler *fd_read, void *opaque) | |
1323 | { | |
1324 | } | |
1325 | ||
1326 | static int net_dummy_init(NetDriverState *nd) | |
1327 | { | |
1328 | nd->send_packet = dummy_send_packet; | |
1329 | nd->add_read_packet = dummy_add_read_packet; | |
1330 | pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); | |
67b915a5 FB |
1331 | return 0; |
1332 | } | |
1333 | ||
c20709aa FB |
1334 | #if defined(CONFIG_SLIRP) |
1335 | ||
1336 | /* slirp network adapter */ | |
1337 | ||
1338 | static void *slirp_fd_opaque; | |
1339 | static IOCanRWHandler *slirp_fd_can_read; | |
1340 | static IOReadHandler *slirp_fd_read; | |
1341 | static int slirp_inited; | |
1342 | ||
1343 | int slirp_can_output(void) | |
1344 | { | |
1345 | return slirp_fd_can_read(slirp_fd_opaque); | |
1346 | } | |
1347 | ||
1348 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
67b915a5 | 1349 | { |
c20709aa FB |
1350 | #if 0 |
1351 | printf("output:\n"); | |
1352 | hex_dump(stdout, pkt, pkt_len); | |
1353 | #endif | |
1354 | slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); | |
67b915a5 FB |
1355 | } |
1356 | ||
c20709aa FB |
1357 | static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1358 | { | |
1359 | #if 0 | |
1360 | printf("input:\n"); | |
1361 | hex_dump(stdout, buf, size); | |
1362 | #endif | |
1363 | slirp_input(buf, size); | |
1364 | } | |
1365 | ||
1366 | static void slirp_add_read_packet(NetDriverState *nd, | |
1367 | IOCanRWHandler *fd_can_read, | |
1368 | IOReadHandler *fd_read, void *opaque) | |
1369 | { | |
1370 | slirp_fd_opaque = opaque; | |
1371 | slirp_fd_can_read = fd_can_read; | |
1372 | slirp_fd_read = fd_read; | |
1373 | } | |
1374 | ||
1375 | static int net_slirp_init(NetDriverState *nd) | |
1376 | { | |
1377 | if (!slirp_inited) { | |
1378 | slirp_inited = 1; | |
1379 | slirp_init(); | |
1380 | } | |
1381 | nd->send_packet = slirp_send_packet; | |
1382 | nd->add_read_packet = slirp_add_read_packet; | |
1383 | pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); | |
1384 | return 0; | |
1385 | } | |
1386 | ||
9bf05444 FB |
1387 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
1388 | { | |
1389 | const char *p, *p1; | |
1390 | int len; | |
1391 | p = *pp; | |
1392 | p1 = strchr(p, sep); | |
1393 | if (!p1) | |
1394 | return -1; | |
1395 | len = p1 - p; | |
1396 | p1++; | |
1397 | if (buf_size > 0) { | |
1398 | if (len > buf_size - 1) | |
1399 | len = buf_size - 1; | |
1400 | memcpy(buf, p, len); | |
1401 | buf[len] = '\0'; | |
1402 | } | |
1403 | *pp = p1; | |
1404 | return 0; | |
1405 | } | |
1406 | ||
1407 | static void net_slirp_redir(const char *redir_str) | |
1408 | { | |
1409 | int is_udp; | |
1410 | char buf[256], *r; | |
1411 | const char *p; | |
1412 | struct in_addr guest_addr; | |
1413 | int host_port, guest_port; | |
1414 | ||
1415 | if (!slirp_inited) { | |
1416 | slirp_inited = 1; | |
1417 | slirp_init(); | |
1418 | } | |
1419 | ||
1420 | p = redir_str; | |
1421 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1422 | goto fail; | |
1423 | if (!strcmp(buf, "tcp")) { | |
1424 | is_udp = 0; | |
1425 | } else if (!strcmp(buf, "udp")) { | |
1426 | is_udp = 1; | |
1427 | } else { | |
1428 | goto fail; | |
1429 | } | |
1430 | ||
1431 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1432 | goto fail; | |
1433 | host_port = strtol(buf, &r, 0); | |
1434 | if (r == buf) | |
1435 | goto fail; | |
1436 | ||
1437 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1438 | goto fail; | |
1439 | if (buf[0] == '\0') { | |
1440 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
1441 | } | |
1442 | if (!inet_aton(buf, &guest_addr)) | |
1443 | goto fail; | |
1444 | ||
1445 | guest_port = strtol(p, &r, 0); | |
1446 | if (r == p) | |
1447 | goto fail; | |
1448 | ||
1449 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
1450 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
1451 | exit(1); | |
1452 | } | |
1453 | return; | |
1454 | fail: | |
1455 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
1456 | exit(1); | |
1457 | } | |
9d728e8c | 1458 | |
c94c8d64 FB |
1459 | #ifndef _WIN32 |
1460 | ||
9d728e8c FB |
1461 | char smb_dir[1024]; |
1462 | ||
1463 | static void smb_exit(void) | |
1464 | { | |
1465 | DIR *d; | |
1466 | struct dirent *de; | |
1467 | char filename[1024]; | |
1468 | ||
1469 | /* erase all the files in the directory */ | |
1470 | d = opendir(smb_dir); | |
1471 | for(;;) { | |
1472 | de = readdir(d); | |
1473 | if (!de) | |
1474 | break; | |
1475 | if (strcmp(de->d_name, ".") != 0 && | |
1476 | strcmp(de->d_name, "..") != 0) { | |
1477 | snprintf(filename, sizeof(filename), "%s/%s", | |
1478 | smb_dir, de->d_name); | |
1479 | unlink(filename); | |
1480 | } | |
1481 | } | |
03ffbb69 | 1482 | closedir(d); |
9d728e8c FB |
1483 | rmdir(smb_dir); |
1484 | } | |
1485 | ||
1486 | /* automatic user mode samba server configuration */ | |
1487 | void net_slirp_smb(const char *exported_dir) | |
1488 | { | |
1489 | char smb_conf[1024]; | |
1490 | char smb_cmdline[1024]; | |
1491 | FILE *f; | |
1492 | ||
1493 | if (!slirp_inited) { | |
1494 | slirp_inited = 1; | |
1495 | slirp_init(); | |
1496 | } | |
1497 | ||
1498 | /* XXX: better tmp dir construction */ | |
1499 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
1500 | if (mkdir(smb_dir, 0700) < 0) { | |
1501 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
1502 | exit(1); | |
1503 | } | |
1504 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
1505 | ||
1506 | f = fopen(smb_conf, "w"); | |
1507 | if (!f) { | |
1508 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
1509 | exit(1); | |
1510 | } | |
1511 | fprintf(f, | |
1512 | "[global]\n" | |
1513 | "pid directory=%s\n" | |
1514 | "lock directory=%s\n" | |
1515 | "log file=%s/log.smbd\n" | |
1516 | "smb passwd file=%s/smbpasswd\n" | |
03ffbb69 | 1517 | "security = share\n" |
9d728e8c FB |
1518 | "[qemu]\n" |
1519 | "path=%s\n" | |
1520 | "read only=no\n" | |
1521 | "guest ok=yes\n", | |
1522 | smb_dir, | |
1523 | smb_dir, | |
1524 | smb_dir, | |
1525 | smb_dir, | |
1526 | exported_dir | |
1527 | ); | |
1528 | fclose(f); | |
1529 | atexit(smb_exit); | |
1530 | ||
1531 | snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", | |
1532 | smb_conf); | |
1533 | ||
1534 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
1535 | } | |
9bf05444 | 1536 | |
c94c8d64 FB |
1537 | #endif /* !defined(_WIN32) */ |
1538 | ||
c20709aa FB |
1539 | #endif /* CONFIG_SLIRP */ |
1540 | ||
1541 | #if !defined(_WIN32) | |
7d3505c5 FB |
1542 | #ifdef _BSD |
1543 | static int tun_open(char *ifname, int ifname_size) | |
1544 | { | |
1545 | int fd; | |
1546 | char *dev; | |
1547 | struct stat s; | |
67b915a5 | 1548 | |
7d3505c5 FB |
1549 | fd = open("/dev/tap", O_RDWR); |
1550 | if (fd < 0) { | |
1551 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
1552 | return -1; | |
1553 | } | |
1554 | ||
1555 | fstat(fd, &s); | |
1556 | dev = devname(s.st_rdev, S_IFCHR); | |
1557 | pstrcpy(ifname, ifname_size, dev); | |
1558 | ||
1559 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1560 | return fd; | |
1561 | } | |
1562 | #else | |
c4b1fcc0 | 1563 | static int tun_open(char *ifname, int ifname_size) |
330d0414 | 1564 | { |
80cabfad | 1565 | struct ifreq ifr; |
c4b1fcc0 | 1566 | int fd, ret; |
80cabfad FB |
1567 | |
1568 | fd = open("/dev/net/tun", O_RDWR); | |
1569 | if (fd < 0) { | |
1570 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
1571 | return -1; | |
330d0414 | 1572 | } |
80cabfad FB |
1573 | memset(&ifr, 0, sizeof(ifr)); |
1574 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
1575 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d"); | |
1576 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
1577 | if (ret != 0) { | |
1578 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
1579 | close(fd); | |
1580 | return -1; | |
1581 | } | |
1582 | printf("Connected to host network interface: %s\n", ifr.ifr_name); | |
c4b1fcc0 | 1583 | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
80cabfad | 1584 | fcntl(fd, F_SETFL, O_NONBLOCK); |
c4b1fcc0 FB |
1585 | return fd; |
1586 | } | |
7d3505c5 | 1587 | #endif |
330d0414 | 1588 | |
c20709aa FB |
1589 | static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
1590 | { | |
1591 | write(nd->fd, buf, size); | |
1592 | } | |
1593 | ||
1594 | static void tun_add_read_packet(NetDriverState *nd, | |
1595 | IOCanRWHandler *fd_can_read, | |
1596 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 | 1597 | { |
c20709aa FB |
1598 | qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
1599 | } | |
1600 | ||
1601 | static int net_tun_init(NetDriverState *nd) | |
1602 | { | |
1603 | int pid, status; | |
1604 | char *args[3]; | |
c4b1fcc0 FB |
1605 | char **parg; |
1606 | ||
c20709aa FB |
1607 | nd->fd = tun_open(nd->ifname, sizeof(nd->ifname)); |
1608 | if (nd->fd < 0) | |
1609 | return -1; | |
c4b1fcc0 | 1610 | |
c20709aa FB |
1611 | /* try to launch network init script */ |
1612 | pid = fork(); | |
1613 | if (pid >= 0) { | |
1614 | if (pid == 0) { | |
1615 | parg = args; | |
1616 | *parg++ = network_script; | |
1617 | *parg++ = nd->ifname; | |
1618 | *parg++ = NULL; | |
1619 | execv(network_script, args); | |
1620 | exit(1); | |
1621 | } | |
1622 | while (waitpid(pid, &status, 0) != pid); | |
1623 | if (!WIFEXITED(status) || | |
1624 | WEXITSTATUS(status) != 0) { | |
1625 | fprintf(stderr, "%s: could not launch network script\n", | |
1626 | network_script); | |
80cabfad | 1627 | } |
330d0414 | 1628 | } |
c20709aa FB |
1629 | nd->send_packet = tun_send_packet; |
1630 | nd->add_read_packet = tun_add_read_packet; | |
80cabfad | 1631 | return 0; |
330d0414 FB |
1632 | } |
1633 | ||
c20709aa | 1634 | static int net_fd_init(NetDriverState *nd, int fd) |
330d0414 | 1635 | { |
c20709aa FB |
1636 | nd->fd = fd; |
1637 | nd->send_packet = tun_send_packet; | |
1638 | nd->add_read_packet = tun_add_read_packet; | |
1639 | pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); | |
1640 | return 0; | |
80cabfad | 1641 | } |
330d0414 | 1642 | |
c20709aa | 1643 | #endif /* !_WIN32 */ |
67b915a5 | 1644 | |
313aa567 FB |
1645 | /***********************************************************/ |
1646 | /* dumb display */ | |
1647 | ||
313aa567 FB |
1648 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
1649 | { | |
1650 | } | |
1651 | ||
1652 | static void dumb_resize(DisplayState *ds, int w, int h) | |
1653 | { | |
1654 | } | |
1655 | ||
1656 | static void dumb_refresh(DisplayState *ds) | |
1657 | { | |
1658 | vga_update_display(); | |
1659 | } | |
1660 | ||
1661 | void dumb_display_init(DisplayState *ds) | |
1662 | { | |
1663 | ds->data = NULL; | |
1664 | ds->linesize = 0; | |
1665 | ds->depth = 0; | |
1666 | ds->dpy_update = dumb_update; | |
1667 | ds->dpy_resize = dumb_resize; | |
1668 | ds->dpy_refresh = dumb_refresh; | |
1669 | } | |
1670 | ||
3a51dee6 | 1671 | #if !defined(CONFIG_SOFTMMU) |
f1510b2c | 1672 | /***********************************************************/ |
0824d6fc FB |
1673 | /* cpu signal handler */ |
1674 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
1675 | void *puc) | |
1676 | { | |
1677 | if (cpu_signal_handler(host_signum, info, puc)) | |
1678 | return; | |
8d11df9e FB |
1679 | if (stdio_nb_clients > 0) |
1680 | term_exit(); | |
0824d6fc FB |
1681 | abort(); |
1682 | } | |
3a51dee6 | 1683 | #endif |
0824d6fc | 1684 | |
8a7ddc38 FB |
1685 | /***********************************************************/ |
1686 | /* I/O handling */ | |
0824d6fc | 1687 | |
c4b1fcc0 FB |
1688 | #define MAX_IO_HANDLERS 64 |
1689 | ||
1690 | typedef struct IOHandlerRecord { | |
1691 | int fd; | |
1692 | IOCanRWHandler *fd_can_read; | |
1693 | IOReadHandler *fd_read; | |
1694 | void *opaque; | |
1695 | /* temporary data */ | |
1696 | struct pollfd *ufd; | |
1697 | int max_size; | |
8a7ddc38 | 1698 | struct IOHandlerRecord *next; |
c4b1fcc0 FB |
1699 | } IOHandlerRecord; |
1700 | ||
8a7ddc38 | 1701 | static IOHandlerRecord *first_io_handler; |
c4b1fcc0 | 1702 | |
8a7ddc38 FB |
1703 | int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
1704 | IOReadHandler *fd_read, void *opaque) | |
c4b1fcc0 FB |
1705 | { |
1706 | IOHandlerRecord *ioh; | |
1707 | ||
8a7ddc38 FB |
1708 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); |
1709 | if (!ioh) | |
c4b1fcc0 | 1710 | return -1; |
c4b1fcc0 FB |
1711 | ioh->fd = fd; |
1712 | ioh->fd_can_read = fd_can_read; | |
1713 | ioh->fd_read = fd_read; | |
1714 | ioh->opaque = opaque; | |
8a7ddc38 FB |
1715 | ioh->next = first_io_handler; |
1716 | first_io_handler = ioh; | |
c4b1fcc0 FB |
1717 | return 0; |
1718 | } | |
1719 | ||
8a7ddc38 FB |
1720 | void qemu_del_fd_read_handler(int fd) |
1721 | { | |
1722 | IOHandlerRecord **pioh, *ioh; | |
b4608c04 | 1723 | |
8a7ddc38 FB |
1724 | pioh = &first_io_handler; |
1725 | for(;;) { | |
1726 | ioh = *pioh; | |
1727 | if (ioh == NULL) | |
1728 | break; | |
1729 | if (ioh->fd == fd) { | |
1730 | *pioh = ioh->next; | |
1731 | break; | |
1732 | } | |
1733 | pioh = &ioh->next; | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | /***********************************************************/ | |
1738 | /* savevm/loadvm support */ | |
1739 | ||
1740 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
b4608c04 | 1741 | { |
8a7ddc38 | 1742 | fwrite(buf, 1, size, f); |
b4608c04 FB |
1743 | } |
1744 | ||
8a7ddc38 | 1745 | void qemu_put_byte(QEMUFile *f, int v) |
b4608c04 | 1746 | { |
8a7ddc38 FB |
1747 | fputc(v, f); |
1748 | } | |
1749 | ||
1750 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
1751 | { | |
1752 | qemu_put_byte(f, v >> 8); | |
1753 | qemu_put_byte(f, v); | |
1754 | } | |
1755 | ||
1756 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
1757 | { | |
1758 | qemu_put_byte(f, v >> 24); | |
1759 | qemu_put_byte(f, v >> 16); | |
1760 | qemu_put_byte(f, v >> 8); | |
1761 | qemu_put_byte(f, v); | |
1762 | } | |
1763 | ||
1764 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
1765 | { | |
1766 | qemu_put_be32(f, v >> 32); | |
1767 | qemu_put_be32(f, v); | |
1768 | } | |
1769 | ||
1770 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
1771 | { | |
1772 | return fread(buf, 1, size, f); | |
1773 | } | |
1774 | ||
1775 | int qemu_get_byte(QEMUFile *f) | |
1776 | { | |
1777 | int v; | |
1778 | v = fgetc(f); | |
1779 | if (v == EOF) | |
1780 | return 0; | |
1781 | else | |
1782 | return v; | |
1783 | } | |
1784 | ||
1785 | unsigned int qemu_get_be16(QEMUFile *f) | |
1786 | { | |
1787 | unsigned int v; | |
1788 | v = qemu_get_byte(f) << 8; | |
1789 | v |= qemu_get_byte(f); | |
1790 | return v; | |
1791 | } | |
1792 | ||
1793 | unsigned int qemu_get_be32(QEMUFile *f) | |
1794 | { | |
1795 | unsigned int v; | |
1796 | v = qemu_get_byte(f) << 24; | |
1797 | v |= qemu_get_byte(f) << 16; | |
1798 | v |= qemu_get_byte(f) << 8; | |
1799 | v |= qemu_get_byte(f); | |
1800 | return v; | |
1801 | } | |
1802 | ||
1803 | uint64_t qemu_get_be64(QEMUFile *f) | |
1804 | { | |
1805 | uint64_t v; | |
1806 | v = (uint64_t)qemu_get_be32(f) << 32; | |
1807 | v |= qemu_get_be32(f); | |
1808 | return v; | |
1809 | } | |
1810 | ||
1811 | int64_t qemu_ftell(QEMUFile *f) | |
1812 | { | |
1813 | return ftell(f); | |
1814 | } | |
1815 | ||
1816 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
1817 | { | |
1818 | if (fseek(f, pos, whence) < 0) | |
1819 | return -1; | |
1820 | return ftell(f); | |
1821 | } | |
1822 | ||
1823 | typedef struct SaveStateEntry { | |
1824 | char idstr[256]; | |
1825 | int instance_id; | |
1826 | int version_id; | |
1827 | SaveStateHandler *save_state; | |
1828 | LoadStateHandler *load_state; | |
1829 | void *opaque; | |
1830 | struct SaveStateEntry *next; | |
1831 | } SaveStateEntry; | |
b4608c04 | 1832 | |
8a7ddc38 FB |
1833 | static SaveStateEntry *first_se; |
1834 | ||
1835 | int register_savevm(const char *idstr, | |
1836 | int instance_id, | |
1837 | int version_id, | |
1838 | SaveStateHandler *save_state, | |
1839 | LoadStateHandler *load_state, | |
1840 | void *opaque) | |
1841 | { | |
1842 | SaveStateEntry *se, **pse; | |
1843 | ||
1844 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
1845 | if (!se) | |
1846 | return -1; | |
1847 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
1848 | se->instance_id = instance_id; | |
1849 | se->version_id = version_id; | |
1850 | se->save_state = save_state; | |
1851 | se->load_state = load_state; | |
1852 | se->opaque = opaque; | |
1853 | se->next = NULL; | |
1854 | ||
1855 | /* add at the end of list */ | |
1856 | pse = &first_se; | |
1857 | while (*pse != NULL) | |
1858 | pse = &(*pse)->next; | |
1859 | *pse = se; | |
1860 | return 0; | |
1861 | } | |
1862 | ||
1863 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
1864 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
1865 | ||
1866 | int qemu_savevm(const char *filename) | |
1867 | { | |
1868 | SaveStateEntry *se; | |
1869 | QEMUFile *f; | |
1870 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
1871 | ||
1872 | saved_vm_running = vm_running; | |
1873 | vm_stop(0); | |
1874 | ||
1875 | f = fopen(filename, "wb"); | |
1876 | if (!f) { | |
1877 | ret = -1; | |
1878 | goto the_end; | |
313aa567 FB |
1879 | } |
1880 | ||
8a7ddc38 FB |
1881 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
1882 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
1883 | ||
1884 | for(se = first_se; se != NULL; se = se->next) { | |
1885 | /* ID string */ | |
1886 | len = strlen(se->idstr); | |
1887 | qemu_put_byte(f, len); | |
1888 | qemu_put_buffer(f, se->idstr, len); | |
1889 | ||
1890 | qemu_put_be32(f, se->instance_id); | |
1891 | qemu_put_be32(f, se->version_id); | |
1892 | ||
1893 | /* record size: filled later */ | |
1894 | len_pos = ftell(f); | |
1895 | qemu_put_be32(f, 0); | |
1896 | ||
1897 | se->save_state(f, se->opaque); | |
1898 | ||
1899 | /* fill record size */ | |
1900 | cur_pos = ftell(f); | |
1901 | len = ftell(f) - len_pos - 4; | |
1902 | fseek(f, len_pos, SEEK_SET); | |
1903 | qemu_put_be32(f, len); | |
1904 | fseek(f, cur_pos, SEEK_SET); | |
1905 | } | |
1906 | ||
1907 | fclose(f); | |
1908 | ret = 0; | |
1909 | the_end: | |
1910 | if (saved_vm_running) | |
1911 | vm_start(); | |
1912 | return ret; | |
1913 | } | |
1914 | ||
1915 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
1916 | { | |
1917 | SaveStateEntry *se; | |
1918 | ||
1919 | for(se = first_se; se != NULL; se = se->next) { | |
1920 | if (!strcmp(se->idstr, idstr) && | |
1921 | instance_id == se->instance_id) | |
1922 | return se; | |
1923 | } | |
1924 | return NULL; | |
1925 | } | |
1926 | ||
1927 | int qemu_loadvm(const char *filename) | |
1928 | { | |
1929 | SaveStateEntry *se; | |
1930 | QEMUFile *f; | |
1931 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
1932 | int saved_vm_running; | |
1933 | unsigned int v; | |
1934 | char idstr[256]; | |
1935 | ||
1936 | saved_vm_running = vm_running; | |
1937 | vm_stop(0); | |
1938 | ||
1939 | f = fopen(filename, "rb"); | |
1940 | if (!f) { | |
1941 | ret = -1; | |
1942 | goto the_end; | |
1943 | } | |
1944 | ||
1945 | v = qemu_get_be32(f); | |
1946 | if (v != QEMU_VM_FILE_MAGIC) | |
1947 | goto fail; | |
1948 | v = qemu_get_be32(f); | |
1949 | if (v != QEMU_VM_FILE_VERSION) { | |
1950 | fail: | |
1951 | fclose(f); | |
1952 | ret = -1; | |
1953 | goto the_end; | |
1954 | } | |
b4608c04 | 1955 | for(;;) { |
a541f297 | 1956 | #if defined (DO_TB_FLUSH) |
d927637d | 1957 | tb_flush(global_env); |
a541f297 | 1958 | #endif |
8a7ddc38 FB |
1959 | len = qemu_get_byte(f); |
1960 | if (feof(f)) | |
cd4c3e88 | 1961 | break; |
8a7ddc38 FB |
1962 | qemu_get_buffer(f, idstr, len); |
1963 | idstr[len] = '\0'; | |
1964 | instance_id = qemu_get_be32(f); | |
1965 | version_id = qemu_get_be32(f); | |
1966 | record_len = qemu_get_be32(f); | |
1967 | #if 0 | |
1968 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
1969 | idstr, instance_id, version_id, record_len); | |
1970 | #endif | |
1971 | cur_pos = ftell(f); | |
1972 | se = find_se(idstr, instance_id); | |
1973 | if (!se) { | |
1974 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
1975 | instance_id, idstr); | |
1976 | } else { | |
1977 | ret = se->load_state(f, se->opaque, version_id); | |
1978 | if (ret < 0) { | |
1979 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
1980 | instance_id, idstr); | |
1981 | } | |
34865134 | 1982 | } |
8a7ddc38 FB |
1983 | /* always seek to exact end of record */ |
1984 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
1985 | } | |
1986 | fclose(f); | |
1987 | ret = 0; | |
1988 | the_end: | |
1989 | if (saved_vm_running) | |
1990 | vm_start(); | |
1991 | return ret; | |
1992 | } | |
1993 | ||
1994 | /***********************************************************/ | |
1995 | /* cpu save/restore */ | |
1996 | ||
1997 | #if defined(TARGET_I386) | |
1998 | ||
1999 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
2000 | { | |
02ba45c5 | 2001 | qemu_put_be32(f, dt->selector); |
8a7ddc38 FB |
2002 | qemu_put_be32(f, (uint32_t)dt->base); |
2003 | qemu_put_be32(f, dt->limit); | |
2004 | qemu_put_be32(f, dt->flags); | |
2005 | } | |
2006 | ||
2007 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
2008 | { | |
02ba45c5 | 2009 | dt->selector = qemu_get_be32(f); |
8a7ddc38 FB |
2010 | dt->base = (uint8_t *)qemu_get_be32(f); |
2011 | dt->limit = qemu_get_be32(f); | |
2012 | dt->flags = qemu_get_be32(f); | |
2013 | } | |
2014 | ||
2015 | void cpu_save(QEMUFile *f, void *opaque) | |
2016 | { | |
2017 | CPUState *env = opaque; | |
2018 | uint16_t fptag, fpus, fpuc; | |
2019 | uint32_t hflags; | |
2020 | int i; | |
2021 | ||
2022 | for(i = 0; i < 8; i++) | |
2023 | qemu_put_be32s(f, &env->regs[i]); | |
2024 | qemu_put_be32s(f, &env->eip); | |
2025 | qemu_put_be32s(f, &env->eflags); | |
2026 | qemu_put_be32s(f, &env->eflags); | |
2027 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
2028 | qemu_put_be32s(f, &hflags); | |
2029 | ||
2030 | /* FPU */ | |
2031 | fpuc = env->fpuc; | |
2032 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
2033 | fptag = 0; | |
2034 | for (i=7; i>=0; i--) { | |
2035 | fptag <<= 2; | |
2036 | if (env->fptags[i]) { | |
2037 | fptag |= 3; | |
2038 | } | |
2039 | } | |
2040 | ||
2041 | qemu_put_be16s(f, &fpuc); | |
2042 | qemu_put_be16s(f, &fpus); | |
2043 | qemu_put_be16s(f, &fptag); | |
2044 | ||
2045 | for(i = 0; i < 8; i++) { | |
2046 | uint64_t mant; | |
2047 | uint16_t exp; | |
2048 | cpu_get_fp80(&mant, &exp, env->fpregs[i]); | |
2049 | qemu_put_be64(f, mant); | |
2050 | qemu_put_be16(f, exp); | |
2051 | } | |
2052 | ||
2053 | for(i = 0; i < 6; i++) | |
2054 | cpu_put_seg(f, &env->segs[i]); | |
2055 | cpu_put_seg(f, &env->ldt); | |
2056 | cpu_put_seg(f, &env->tr); | |
2057 | cpu_put_seg(f, &env->gdt); | |
2058 | cpu_put_seg(f, &env->idt); | |
2059 | ||
2060 | qemu_put_be32s(f, &env->sysenter_cs); | |
2061 | qemu_put_be32s(f, &env->sysenter_esp); | |
2062 | qemu_put_be32s(f, &env->sysenter_eip); | |
2063 | ||
2064 | qemu_put_be32s(f, &env->cr[0]); | |
2065 | qemu_put_be32s(f, &env->cr[2]); | |
2066 | qemu_put_be32s(f, &env->cr[3]); | |
2067 | qemu_put_be32s(f, &env->cr[4]); | |
2068 | ||
2069 | for(i = 0; i < 8; i++) | |
2070 | qemu_put_be32s(f, &env->dr[i]); | |
2071 | ||
2072 | /* MMU */ | |
2073 | qemu_put_be32s(f, &env->a20_mask); | |
2074 | } | |
2075 | ||
2076 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
2077 | { | |
2078 | CPUState *env = opaque; | |
2079 | int i; | |
2080 | uint32_t hflags; | |
2081 | uint16_t fpus, fpuc, fptag; | |
2082 | ||
02ba45c5 | 2083 | if (version_id != 2) |
8a7ddc38 FB |
2084 | return -EINVAL; |
2085 | for(i = 0; i < 8; i++) | |
2086 | qemu_get_be32s(f, &env->regs[i]); | |
2087 | qemu_get_be32s(f, &env->eip); | |
2088 | qemu_get_be32s(f, &env->eflags); | |
2089 | qemu_get_be32s(f, &env->eflags); | |
2090 | qemu_get_be32s(f, &hflags); | |
2091 | ||
2092 | qemu_get_be16s(f, &fpuc); | |
2093 | qemu_get_be16s(f, &fpus); | |
2094 | qemu_get_be16s(f, &fptag); | |
2095 | ||
2096 | for(i = 0; i < 8; i++) { | |
2097 | uint64_t mant; | |
2098 | uint16_t exp; | |
2099 | mant = qemu_get_be64(f); | |
2100 | exp = qemu_get_be16(f); | |
2101 | env->fpregs[i] = cpu_set_fp80(mant, exp); | |
2102 | } | |
2103 | ||
2104 | env->fpuc = fpuc; | |
2105 | env->fpstt = (fpus >> 11) & 7; | |
2106 | env->fpus = fpus & ~0x3800; | |
2107 | for(i = 0; i < 8; i++) { | |
2108 | env->fptags[i] = ((fptag & 3) == 3); | |
2109 | fptag >>= 2; | |
2110 | } | |
2111 | ||
2112 | for(i = 0; i < 6; i++) | |
2113 | cpu_get_seg(f, &env->segs[i]); | |
2114 | cpu_get_seg(f, &env->ldt); | |
2115 | cpu_get_seg(f, &env->tr); | |
2116 | cpu_get_seg(f, &env->gdt); | |
2117 | cpu_get_seg(f, &env->idt); | |
2118 | ||
2119 | qemu_get_be32s(f, &env->sysenter_cs); | |
2120 | qemu_get_be32s(f, &env->sysenter_esp); | |
2121 | qemu_get_be32s(f, &env->sysenter_eip); | |
2122 | ||
2123 | qemu_get_be32s(f, &env->cr[0]); | |
2124 | qemu_get_be32s(f, &env->cr[2]); | |
2125 | qemu_get_be32s(f, &env->cr[3]); | |
2126 | qemu_get_be32s(f, &env->cr[4]); | |
2127 | ||
2128 | for(i = 0; i < 8; i++) | |
2129 | qemu_get_be32s(f, &env->dr[i]); | |
2130 | ||
2131 | /* MMU */ | |
2132 | qemu_get_be32s(f, &env->a20_mask); | |
2133 | ||
2134 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
2135 | env->hflags = hflags; | |
2136 | tlb_flush(env, 1); | |
2137 | return 0; | |
2138 | } | |
2139 | ||
a541f297 FB |
2140 | #elif defined(TARGET_PPC) |
2141 | void cpu_save(QEMUFile *f, void *opaque) | |
2142 | { | |
2143 | } | |
2144 | ||
2145 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
2146 | { | |
2147 | return 0; | |
2148 | } | |
8a7ddc38 FB |
2149 | #else |
2150 | ||
2151 | #warning No CPU save/restore functions | |
2152 | ||
2153 | #endif | |
2154 | ||
2155 | /***********************************************************/ | |
2156 | /* ram save/restore */ | |
2157 | ||
2158 | /* we just avoid storing empty pages */ | |
2159 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
2160 | { | |
2161 | int i, v; | |
2162 | ||
2163 | v = buf[0]; | |
2164 | for(i = 1; i < len; i++) { | |
2165 | if (buf[i] != v) | |
2166 | goto normal_save; | |
2167 | } | |
2168 | qemu_put_byte(f, 1); | |
2169 | qemu_put_byte(f, v); | |
2170 | return; | |
2171 | normal_save: | |
2172 | qemu_put_byte(f, 0); | |
2173 | qemu_put_buffer(f, buf, len); | |
2174 | } | |
2175 | ||
2176 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
2177 | { | |
2178 | int v; | |
2179 | ||
2180 | v = qemu_get_byte(f); | |
2181 | switch(v) { | |
2182 | case 0: | |
2183 | if (qemu_get_buffer(f, buf, len) != len) | |
2184 | return -EIO; | |
2185 | break; | |
2186 | case 1: | |
2187 | v = qemu_get_byte(f); | |
2188 | memset(buf, v, len); | |
2189 | break; | |
2190 | default: | |
2191 | return -EINVAL; | |
2192 | } | |
2193 | return 0; | |
2194 | } | |
2195 | ||
2196 | static void ram_save(QEMUFile *f, void *opaque) | |
2197 | { | |
2198 | int i; | |
2199 | qemu_put_be32(f, phys_ram_size); | |
2200 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2201 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2202 | } | |
2203 | } | |
2204 | ||
2205 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
2206 | { | |
2207 | int i, ret; | |
2208 | ||
2209 | if (version_id != 1) | |
2210 | return -EINVAL; | |
2211 | if (qemu_get_be32(f) != phys_ram_size) | |
2212 | return -EINVAL; | |
2213 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2214 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2215 | if (ret) | |
2216 | return ret; | |
2217 | } | |
2218 | return 0; | |
2219 | } | |
2220 | ||
2221 | /***********************************************************/ | |
2222 | /* main execution loop */ | |
2223 | ||
2224 | void gui_update(void *opaque) | |
2225 | { | |
2226 | display_state.dpy_refresh(&display_state); | |
2227 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
2228 | } | |
2229 | ||
2230 | /* XXX: support several handlers */ | |
2231 | VMStopHandler *vm_stop_cb; | |
2232 | VMStopHandler *vm_stop_opaque; | |
2233 | ||
2234 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2235 | { | |
2236 | vm_stop_cb = cb; | |
2237 | vm_stop_opaque = opaque; | |
2238 | return 0; | |
2239 | } | |
2240 | ||
2241 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
2242 | { | |
2243 | vm_stop_cb = NULL; | |
2244 | } | |
2245 | ||
2246 | void vm_start(void) | |
2247 | { | |
2248 | if (!vm_running) { | |
2249 | cpu_enable_ticks(); | |
2250 | vm_running = 1; | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | void vm_stop(int reason) | |
2255 | { | |
2256 | if (vm_running) { | |
2257 | cpu_disable_ticks(); | |
2258 | vm_running = 0; | |
2259 | if (reason != 0) { | |
2260 | if (vm_stop_cb) { | |
2261 | vm_stop_cb(vm_stop_opaque, reason); | |
2262 | } | |
34865134 | 2263 | } |
8a7ddc38 FB |
2264 | } |
2265 | } | |
2266 | ||
bb0c6722 FB |
2267 | /* reset/shutdown handler */ |
2268 | ||
2269 | typedef struct QEMUResetEntry { | |
2270 | QEMUResetHandler *func; | |
2271 | void *opaque; | |
2272 | struct QEMUResetEntry *next; | |
2273 | } QEMUResetEntry; | |
2274 | ||
2275 | static QEMUResetEntry *first_reset_entry; | |
2276 | static int reset_requested; | |
2277 | static int shutdown_requested; | |
2278 | ||
2279 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
2280 | { | |
2281 | QEMUResetEntry **pre, *re; | |
2282 | ||
2283 | pre = &first_reset_entry; | |
2284 | while (*pre != NULL) | |
2285 | pre = &(*pre)->next; | |
2286 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
2287 | re->func = func; | |
2288 | re->opaque = opaque; | |
2289 | re->next = NULL; | |
2290 | *pre = re; | |
2291 | } | |
2292 | ||
2293 | void qemu_system_reset(void) | |
2294 | { | |
2295 | QEMUResetEntry *re; | |
2296 | ||
2297 | /* reset all devices */ | |
2298 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
2299 | re->func(re->opaque); | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | void qemu_system_reset_request(void) | |
2304 | { | |
2305 | reset_requested = 1; | |
2306 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2307 | } | |
2308 | ||
2309 | void qemu_system_shutdown_request(void) | |
2310 | { | |
2311 | shutdown_requested = 1; | |
2312 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
2313 | } | |
2314 | ||
2315 | static void main_cpu_reset(void *opaque) | |
2316 | { | |
2317 | #ifdef TARGET_I386 | |
2318 | CPUState *env = opaque; | |
2319 | cpu_reset(env); | |
2320 | #endif | |
2321 | } | |
2322 | ||
5905b2e5 | 2323 | void main_loop_wait(int timeout) |
8a7ddc38 | 2324 | { |
67b915a5 | 2325 | #ifndef _WIN32 |
8a7ddc38 | 2326 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
8a7ddc38 | 2327 | IOHandlerRecord *ioh, *ioh_next; |
67b915a5 FB |
2328 | uint8_t buf[4096]; |
2329 | int n, max_size; | |
2330 | #endif | |
5905b2e5 | 2331 | int ret; |
c4b1fcc0 | 2332 | |
38e205a2 FB |
2333 | #ifdef _WIN32 |
2334 | if (timeout > 0) | |
2335 | Sleep(timeout); | |
2336 | #else | |
b4608c04 | 2337 | /* poll any events */ |
8a7ddc38 | 2338 | /* XXX: separate device handlers from system ones */ |
b4608c04 | 2339 | pf = ufds; |
8a7ddc38 FB |
2340 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
2341 | if (!ioh->fd_can_read) { | |
2342 | max_size = 0; | |
c4b1fcc0 FB |
2343 | pf->fd = ioh->fd; |
2344 | pf->events = POLLIN; | |
2345 | ioh->ufd = pf; | |
2346 | pf++; | |
2347 | } else { | |
8a7ddc38 FB |
2348 | max_size = ioh->fd_can_read(ioh->opaque); |
2349 | if (max_size > 0) { | |
2350 | if (max_size > sizeof(buf)) | |
2351 | max_size = sizeof(buf); | |
2352 | pf->fd = ioh->fd; | |
2353 | pf->events = POLLIN; | |
2354 | ioh->ufd = pf; | |
2355 | pf++; | |
2356 | } else { | |
2357 | ioh->ufd = NULL; | |
2358 | } | |
c4b1fcc0 FB |
2359 | } |
2360 | ioh->max_size = max_size; | |
b4608c04 | 2361 | } |
73332e5c | 2362 | |
b4608c04 FB |
2363 | ret = poll(ufds, pf - ufds, timeout); |
2364 | if (ret > 0) { | |
8a7ddc38 FB |
2365 | /* XXX: better handling of removal */ |
2366 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
2367 | ioh_next = ioh->next; | |
c4b1fcc0 FB |
2368 | pf = ioh->ufd; |
2369 | if (pf) { | |
8a7ddc38 FB |
2370 | if (pf->revents & POLLIN) { |
2371 | if (ioh->max_size == 0) { | |
2372 | /* just a read event */ | |
2373 | ioh->fd_read(ioh->opaque, NULL, 0); | |
2374 | } else { | |
2375 | n = read(ioh->fd, buf, ioh->max_size); | |
2376 | if (n >= 0) { | |
2377 | ioh->fd_read(ioh->opaque, buf, n); | |
158156d1 | 2378 | } else if (errno != EAGAIN) { |
8a7ddc38 FB |
2379 | ioh->fd_read(ioh->opaque, NULL, -errno); |
2380 | } | |
2381 | } | |
b4608c04 | 2382 | } |
b4608c04 | 2383 | } |
b4608c04 FB |
2384 | } |
2385 | } | |
5905b2e5 | 2386 | #endif /* !defined(_WIN32) */ |
c20709aa FB |
2387 | #if defined(CONFIG_SLIRP) |
2388 | /* XXX: merge with poll() */ | |
2389 | if (slirp_inited) { | |
2390 | fd_set rfds, wfds, xfds; | |
2391 | int nfds; | |
2392 | struct timeval tv; | |
2393 | ||
2394 | nfds = -1; | |
2395 | FD_ZERO(&rfds); | |
2396 | FD_ZERO(&wfds); | |
2397 | FD_ZERO(&xfds); | |
2398 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
2399 | tv.tv_sec = 0; | |
2400 | tv.tv_usec = 0; | |
2401 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
2402 | if (ret >= 0) { | |
2403 | slirp_select_poll(&rfds, &wfds, &xfds); | |
2404 | } | |
2405 | } | |
67b915a5 | 2406 | #endif |
b4608c04 | 2407 | |
8a7ddc38 FB |
2408 | if (vm_running) { |
2409 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
2410 | qemu_get_clock(vm_clock)); | |
2411 | ||
aaaa7df6 FB |
2412 | if (audio_enabled) { |
2413 | /* XXX: add explicit timer */ | |
2414 | SB16_run(); | |
2415 | } | |
8a7ddc38 FB |
2416 | |
2417 | /* run dma transfers, if any */ | |
2418 | DMA_run(); | |
b4608c04 | 2419 | } |
313aa567 | 2420 | |
8a7ddc38 FB |
2421 | /* real time timers */ |
2422 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
2423 | qemu_get_clock(rt_clock)); | |
5905b2e5 FB |
2424 | } |
2425 | ||
2426 | int main_loop(void) | |
2427 | { | |
2428 | int ret, timeout; | |
2429 | CPUState *env = global_env; | |
2430 | ||
2431 | for(;;) { | |
2432 | if (vm_running) { | |
2433 | ret = cpu_exec(env); | |
2434 | if (shutdown_requested) { | |
2435 | ret = EXCP_INTERRUPT; | |
2436 | break; | |
2437 | } | |
2438 | if (reset_requested) { | |
2439 | reset_requested = 0; | |
2440 | qemu_system_reset(); | |
2441 | ret = EXCP_INTERRUPT; | |
2442 | } | |
2443 | if (ret == EXCP_DEBUG) { | |
2444 | vm_stop(EXCP_DEBUG); | |
2445 | } | |
2446 | /* if hlt instruction, we wait until the next IRQ */ | |
2447 | /* XXX: use timeout computed from timers */ | |
2448 | if (ret == EXCP_HLT) | |
2449 | timeout = 10; | |
2450 | else | |
2451 | timeout = 0; | |
2452 | } else { | |
2453 | timeout = 10; | |
2454 | } | |
2455 | main_loop_wait(timeout); | |
b4608c04 | 2456 | } |
34865134 FB |
2457 | cpu_disable_ticks(); |
2458 | return ret; | |
b4608c04 FB |
2459 | } |
2460 | ||
0824d6fc FB |
2461 | void help(void) |
2462 | { | |
aaaa7df6 | 2463 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
0db63474 | 2464 | "usage: %s [options] [disk_image]\n" |
0824d6fc | 2465 | "\n" |
a20dd508 | 2466 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" |
fc01f7e7 | 2467 | "\n" |
a20dd508 | 2468 | "Standard options:\n" |
c45886db | 2469 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" |
36b486bb FB |
2470 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" |
2471 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
c4b1fcc0 | 2472 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" |
6e44ba7f | 2473 | "-boot [a|b|c|d] boot on floppy (a, b), hard disk (c) or CD-ROM (d)\n" |
a20dd508 | 2474 | "-snapshot write to temporary files instead of disk image files\n" |
a00bad7e | 2475 | "-m megs set virtual RAM size to megs MB [default=%d]\n" |
c4b1fcc0 | 2476 | "-nographic disable graphical output and redirect serial I/Os to console\n" |
aaaa7df6 | 2477 | "-enable-audio enable audio support\n" |
89980284 | 2478 | "-localtime set the real time clock to local time [default=utc]\n" |
bb0c6722 FB |
2479 | #ifdef TARGET_PPC |
2480 | "-prep Simulate a PREP system (default is PowerMAC)\n" | |
e9b137c2 | 2481 | "-g WxH[xDEPTH] Set the initial VGA graphic mode\n" |
bb0c6722 | 2482 | #endif |
c4b1fcc0 FB |
2483 | "\n" |
2484 | "Network options:\n" | |
c20709aa | 2485 | "-nics n simulate 'n' network cards [default=1]\n" |
702c651c | 2486 | "-macaddr addr set the mac address of the first interface\n" |
c20709aa FB |
2487 | "-n script set tap/tun network init script [default=%s]\n" |
2488 | "-tun-fd fd use this fd as already opened tap/tun interface\n" | |
2489 | #ifdef CONFIG_SLIRP | |
2490 | "-user-net use user mode network stack [default if no tap/tun script]\n" | |
9bf05444 | 2491 | "-tftp prefix allow tftp access to files starting with prefix [-user-net]\n" |
c94c8d64 | 2492 | #ifndef _WIN32 |
9d728e8c | 2493 | "-smb dir allow SMB access to files in 'dir' [-user-net]\n" |
c94c8d64 | 2494 | #endif |
9bf05444 FB |
2495 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" |
2496 | " redirect TCP or UDP connections from host to guest [-user-net]\n" | |
c20709aa FB |
2497 | #endif |
2498 | "-dummy-net use dummy network stack\n" | |
a20dd508 | 2499 | "\n" |
c4b1fcc0 | 2500 | "Linux boot specific:\n" |
a20dd508 FB |
2501 | "-kernel bzImage use 'bzImage' as kernel image\n" |
2502 | "-append cmdline use 'cmdline' as kernel command line\n" | |
2503 | "-initrd file use 'file' as initial ram disk\n" | |
fc01f7e7 | 2504 | "\n" |
330d0414 | 2505 | "Debug/Expert options:\n" |
82c643ff FB |
2506 | "-monitor dev redirect the monitor to char device 'dev'\n" |
2507 | "-serial dev redirect the serial port to char device 'dev'\n" | |
cd6f1169 | 2508 | "-S freeze CPU at startup (use 'c' to start execution)\n" |
a20dd508 FB |
2509 | "-s wait gdb connection to port %d\n" |
2510 | "-p port change gdb connection port\n" | |
f193c797 | 2511 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" |
a20dd508 FB |
2512 | "-hdachs c,h,s force hard disk 0 geometry (usually qemu can guess it)\n" |
2513 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
77fef8c1 FB |
2514 | #ifdef USE_CODE_COPY |
2515 | "-no-code-copy disable code copy acceleration\n" | |
2516 | #endif | |
bb0c6722 FB |
2517 | #ifdef TARGET_I386 |
2518 | "-isa simulate an ISA-only system (default is PCI system)\n" | |
1bfe856e FB |
2519 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" |
2520 | " (default is CL-GD5446 PCI VGA)\n" | |
bb0c6722 | 2521 | #endif |
0824d6fc | 2522 | "\n" |
82c643ff FB |
2523 | "During emulation, the following keys are useful:\n" |
2524 | "ctrl-shift-f toggle full screen\n" | |
2525 | "ctrl-shift-Fn switch to virtual console 'n'\n" | |
2526 | "ctrl-shift toggle mouse and keyboard grab\n" | |
2527 | "\n" | |
2528 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
2529 | , | |
0db63474 FB |
2530 | #ifdef CONFIG_SOFTMMU |
2531 | "qemu", | |
2532 | #else | |
2533 | "qemu-fast", | |
2534 | #endif | |
a00bad7e FB |
2535 | DEFAULT_RAM_SIZE, |
2536 | DEFAULT_NETWORK_SCRIPT, | |
6e44ba7f FB |
2537 | DEFAULT_GDBSTUB_PORT, |
2538 | "/tmp/qemu.log"); | |
0db63474 FB |
2539 | #ifndef CONFIG_SOFTMMU |
2540 | printf("\n" | |
2541 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
2542 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
2543 | "PC emulation.\n"); | |
2544 | #endif | |
0824d6fc FB |
2545 | exit(1); |
2546 | } | |
2547 | ||
cd6f1169 FB |
2548 | #define HAS_ARG 0x0001 |
2549 | ||
2550 | enum { | |
2551 | QEMU_OPTION_h, | |
2552 | ||
2553 | QEMU_OPTION_fda, | |
2554 | QEMU_OPTION_fdb, | |
2555 | QEMU_OPTION_hda, | |
2556 | QEMU_OPTION_hdb, | |
2557 | QEMU_OPTION_hdc, | |
2558 | QEMU_OPTION_hdd, | |
2559 | QEMU_OPTION_cdrom, | |
2560 | QEMU_OPTION_boot, | |
2561 | QEMU_OPTION_snapshot, | |
2562 | QEMU_OPTION_m, | |
2563 | QEMU_OPTION_nographic, | |
2564 | QEMU_OPTION_enable_audio, | |
2565 | ||
2566 | QEMU_OPTION_nics, | |
2567 | QEMU_OPTION_macaddr, | |
2568 | QEMU_OPTION_n, | |
2569 | QEMU_OPTION_tun_fd, | |
2570 | QEMU_OPTION_user_net, | |
c7f74643 | 2571 | QEMU_OPTION_tftp, |
9d728e8c | 2572 | QEMU_OPTION_smb, |
9bf05444 | 2573 | QEMU_OPTION_redir, |
cd6f1169 FB |
2574 | QEMU_OPTION_dummy_net, |
2575 | ||
2576 | QEMU_OPTION_kernel, | |
2577 | QEMU_OPTION_append, | |
2578 | QEMU_OPTION_initrd, | |
2579 | ||
2580 | QEMU_OPTION_S, | |
2581 | QEMU_OPTION_s, | |
2582 | QEMU_OPTION_p, | |
2583 | QEMU_OPTION_d, | |
2584 | QEMU_OPTION_hdachs, | |
2585 | QEMU_OPTION_L, | |
2586 | QEMU_OPTION_no_code_copy, | |
69b91039 | 2587 | QEMU_OPTION_pci, |
bb0c6722 | 2588 | QEMU_OPTION_isa, |
77d4bc34 | 2589 | QEMU_OPTION_prep, |
ee22c2f7 | 2590 | QEMU_OPTION_localtime, |
1f04275e | 2591 | QEMU_OPTION_cirrusvga, |
e9b137c2 | 2592 | QEMU_OPTION_g, |
1bfe856e | 2593 | QEMU_OPTION_std_vga, |
82c643ff FB |
2594 | QEMU_OPTION_monitor, |
2595 | QEMU_OPTION_serial, | |
cd6f1169 FB |
2596 | }; |
2597 | ||
2598 | typedef struct QEMUOption { | |
2599 | const char *name; | |
2600 | int flags; | |
2601 | int index; | |
2602 | } QEMUOption; | |
2603 | ||
2604 | const QEMUOption qemu_options[] = { | |
2605 | { "h", 0, QEMU_OPTION_h }, | |
2606 | ||
2607 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
2608 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
2609 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
2610 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
2611 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
2612 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
2613 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
2614 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
2615 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
2616 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
2617 | { "nographic", 0, QEMU_OPTION_nographic }, | |
2618 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
2619 | ||
2620 | { "nics", HAS_ARG, QEMU_OPTION_nics}, | |
2621 | { "macaddr", HAS_ARG, QEMU_OPTION_macaddr}, | |
69b91039 | 2622 | { "n", HAS_ARG, QEMU_OPTION_n }, |
cd6f1169 | 2623 | { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd }, |
158156d1 | 2624 | #ifdef CONFIG_SLIRP |
cd6f1169 | 2625 | { "user-net", 0, QEMU_OPTION_user_net }, |
c7f74643 | 2626 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, |
c94c8d64 | 2627 | #ifndef _WIN32 |
9d728e8c | 2628 | { "smb", HAS_ARG, QEMU_OPTION_smb }, |
c94c8d64 | 2629 | #endif |
9bf05444 | 2630 | { "redir", HAS_ARG, QEMU_OPTION_redir }, |
158156d1 | 2631 | #endif |
cd6f1169 FB |
2632 | { "dummy-net", 0, QEMU_OPTION_dummy_net }, |
2633 | ||
2634 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
2635 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
2636 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
2637 | ||
2638 | { "S", 0, QEMU_OPTION_S }, | |
2639 | { "s", 0, QEMU_OPTION_s }, | |
2640 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
2641 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
2642 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
2643 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
2644 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
77d4bc34 FB |
2645 | #ifdef TARGET_PPC |
2646 | { "prep", 0, QEMU_OPTION_prep }, | |
e9b137c2 | 2647 | { "g", 1, QEMU_OPTION_g }, |
77d4bc34 | 2648 | #endif |
ee22c2f7 | 2649 | { "localtime", 0, QEMU_OPTION_localtime }, |
bb0c6722 | 2650 | { "isa", 0, QEMU_OPTION_isa }, |
1bfe856e | 2651 | { "std-vga", 0, QEMU_OPTION_std_vga }, |
82c643ff FB |
2652 | { "monitor", 1, QEMU_OPTION_monitor }, |
2653 | { "serial", 1, QEMU_OPTION_serial }, | |
2654 | ||
1f04275e FB |
2655 | /* temporary options */ |
2656 | { "pci", 0, QEMU_OPTION_pci }, | |
2657 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
cd6f1169 | 2658 | { NULL }, |
fc01f7e7 FB |
2659 | }; |
2660 | ||
77fef8c1 FB |
2661 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
2662 | ||
2663 | /* this stack is only used during signal handling */ | |
2664 | #define SIGNAL_STACK_SIZE 32768 | |
2665 | ||
2666 | static uint8_t *signal_stack; | |
2667 | ||
2668 | #endif | |
2669 | ||
5905b2e5 FB |
2670 | /* password input */ |
2671 | ||
2672 | static BlockDriverState *get_bdrv(int index) | |
2673 | { | |
2674 | BlockDriverState *bs; | |
2675 | ||
2676 | if (index < 4) { | |
2677 | bs = bs_table[index]; | |
2678 | } else if (index < 6) { | |
2679 | bs = fd_table[index - 4]; | |
2680 | } else { | |
2681 | bs = NULL; | |
2682 | } | |
2683 | return bs; | |
2684 | } | |
2685 | ||
2686 | static void read_passwords(void) | |
2687 | { | |
2688 | BlockDriverState *bs; | |
2689 | int i, j; | |
2690 | char password[256]; | |
2691 | ||
2692 | for(i = 0; i < 6; i++) { | |
2693 | bs = get_bdrv(i); | |
2694 | if (bs && bdrv_is_encrypted(bs)) { | |
2695 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
2696 | for(j = 0; j < 3; j++) { | |
2697 | monitor_readline("Password: ", | |
2698 | 1, password, sizeof(password)); | |
2699 | if (bdrv_set_key(bs, password) == 0) | |
2700 | break; | |
2701 | term_printf("invalid password\n"); | |
2702 | } | |
2703 | } | |
2704 | } | |
2705 | } | |
2706 | ||
c20709aa FB |
2707 | #define NET_IF_TUN 0 |
2708 | #define NET_IF_USER 1 | |
2709 | #define NET_IF_DUMMY 2 | |
2710 | ||
0824d6fc FB |
2711 | int main(int argc, char **argv) |
2712 | { | |
67b915a5 FB |
2713 | #ifdef CONFIG_GDBSTUB |
2714 | int use_gdbstub, gdbstub_port; | |
2715 | #endif | |
cd6f1169 | 2716 | int i, has_cdrom; |
1ccde1cb | 2717 | int snapshot, linux_boot; |
c45886db | 2718 | CPUState *env; |
7f7f9873 | 2719 | const char *initrd_filename; |
c45886db | 2720 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
a20dd508 | 2721 | const char *kernel_filename, *kernel_cmdline; |
313aa567 | 2722 | DisplayState *ds = &display_state; |
c4b1fcc0 | 2723 | int cyls, heads, secs; |
a541f297 | 2724 | int start_emulation = 1; |
702c651c | 2725 | uint8_t macaddr[6]; |
c20709aa | 2726 | int net_if_type, nb_tun_fds, tun_fds[MAX_NICS]; |
cd6f1169 FB |
2727 | int optind; |
2728 | const char *r, *optarg; | |
82c643ff FB |
2729 | CharDriverState *monitor_hd; |
2730 | char monitor_device[128]; | |
8d11df9e FB |
2731 | char serial_devices[MAX_SERIAL_PORTS][128]; |
2732 | int serial_device_index; | |
2733 | ||
67b915a5 | 2734 | #if !defined(CONFIG_SOFTMMU) |
0824d6fc FB |
2735 | /* we never want that malloc() uses mmap() */ |
2736 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
67b915a5 | 2737 | #endif |
fc01f7e7 | 2738 | initrd_filename = NULL; |
c45886db FB |
2739 | for(i = 0; i < MAX_FD; i++) |
2740 | fd_filename[i] = NULL; | |
fc01f7e7 FB |
2741 | for(i = 0; i < MAX_DISKS; i++) |
2742 | hd_filename[i] = NULL; | |
a00bad7e | 2743 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
313aa567 | 2744 | vga_ram_size = VGA_RAM_SIZE; |
0ced6589 | 2745 | bios_size = BIOS_SIZE; |
f1510b2c | 2746 | pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); |
67b915a5 | 2747 | #ifdef CONFIG_GDBSTUB |
b4608c04 FB |
2748 | use_gdbstub = 0; |
2749 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
67b915a5 | 2750 | #endif |
33e3963e | 2751 | snapshot = 0; |
a20dd508 FB |
2752 | nographic = 0; |
2753 | kernel_filename = NULL; | |
2754 | kernel_cmdline = ""; | |
c4b1fcc0 FB |
2755 | has_cdrom = 1; |
2756 | cyls = heads = secs = 0; | |
82c643ff | 2757 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
c4b1fcc0 | 2758 | |
8d11df9e FB |
2759 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
2760 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
2761 | serial_devices[i][0] = '\0'; | |
2762 | serial_device_index = 0; | |
2763 | ||
c20709aa FB |
2764 | nb_tun_fds = 0; |
2765 | net_if_type = -1; | |
c4b1fcc0 | 2766 | nb_nics = 1; |
702c651c FB |
2767 | /* default mac address of the first network interface */ |
2768 | macaddr[0] = 0x52; | |
2769 | macaddr[1] = 0x54; | |
2770 | macaddr[2] = 0x00; | |
2771 | macaddr[3] = 0x12; | |
2772 | macaddr[4] = 0x34; | |
2773 | macaddr[5] = 0x56; | |
82c643ff | 2774 | |
cd6f1169 | 2775 | optind = 1; |
0824d6fc | 2776 | for(;;) { |
cd6f1169 | 2777 | if (optind >= argc) |
0824d6fc | 2778 | break; |
cd6f1169 FB |
2779 | r = argv[optind]; |
2780 | if (r[0] != '-') { | |
2781 | hd_filename[0] = argv[optind++]; | |
2782 | } else { | |
2783 | const QEMUOption *popt; | |
2784 | ||
2785 | optind++; | |
2786 | popt = qemu_options; | |
2787 | for(;;) { | |
2788 | if (!popt->name) { | |
2789 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
2790 | argv[0], r); | |
2791 | exit(1); | |
2792 | } | |
2793 | if (!strcmp(popt->name, r + 1)) | |
2794 | break; | |
2795 | popt++; | |
2796 | } | |
2797 | if (popt->flags & HAS_ARG) { | |
2798 | if (optind >= argc) { | |
2799 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
2800 | argv[0], r); | |
2801 | exit(1); | |
2802 | } | |
2803 | optarg = argv[optind++]; | |
2804 | } else { | |
2805 | optarg = NULL; | |
2806 | } | |
2807 | ||
2808 | switch(popt->index) { | |
2809 | case QEMU_OPTION_initrd: | |
fc01f7e7 FB |
2810 | initrd_filename = optarg; |
2811 | break; | |
cd6f1169 | 2812 | case QEMU_OPTION_hda: |
fc01f7e7 FB |
2813 | hd_filename[0] = optarg; |
2814 | break; | |
cd6f1169 | 2815 | case QEMU_OPTION_hdb: |
fc01f7e7 FB |
2816 | hd_filename[1] = optarg; |
2817 | break; | |
cd6f1169 | 2818 | case QEMU_OPTION_snapshot: |
33e3963e FB |
2819 | snapshot = 1; |
2820 | break; | |
cd6f1169 | 2821 | case QEMU_OPTION_hdachs: |
330d0414 | 2822 | { |
330d0414 FB |
2823 | const char *p; |
2824 | p = optarg; | |
2825 | cyls = strtol(p, (char **)&p, 0); | |
2826 | if (*p != ',') | |
2827 | goto chs_fail; | |
2828 | p++; | |
2829 | heads = strtol(p, (char **)&p, 0); | |
2830 | if (*p != ',') | |
2831 | goto chs_fail; | |
2832 | p++; | |
2833 | secs = strtol(p, (char **)&p, 0); | |
c4b1fcc0 FB |
2834 | if (*p != '\0') { |
2835 | chs_fail: | |
2836 | cyls = 0; | |
2837 | } | |
330d0414 FB |
2838 | } |
2839 | break; | |
cd6f1169 | 2840 | case QEMU_OPTION_nographic: |
82c643ff | 2841 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
8d11df9e | 2842 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
a20dd508 FB |
2843 | nographic = 1; |
2844 | break; | |
cd6f1169 | 2845 | case QEMU_OPTION_kernel: |
a20dd508 FB |
2846 | kernel_filename = optarg; |
2847 | break; | |
cd6f1169 | 2848 | case QEMU_OPTION_append: |
a20dd508 | 2849 | kernel_cmdline = optarg; |
313aa567 | 2850 | break; |
cd6f1169 | 2851 | case QEMU_OPTION_tun_fd: |
c4b1fcc0 FB |
2852 | { |
2853 | const char *p; | |
2854 | int fd; | |
d6b86f4d | 2855 | net_if_type = NET_IF_TUN; |
c20709aa FB |
2856 | if (nb_tun_fds < MAX_NICS) { |
2857 | fd = strtol(optarg, (char **)&p, 0); | |
2858 | if (*p != '\0') { | |
2859 | fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds); | |
c4b1fcc0 FB |
2860 | exit(1); |
2861 | } | |
c20709aa | 2862 | tun_fds[nb_tun_fds++] = fd; |
c4b1fcc0 FB |
2863 | } |
2864 | } | |
42f1e0e4 | 2865 | break; |
cd6f1169 | 2866 | case QEMU_OPTION_hdc: |
36b486bb | 2867 | hd_filename[2] = optarg; |
c4b1fcc0 | 2868 | has_cdrom = 0; |
36b486bb | 2869 | break; |
cd6f1169 | 2870 | case QEMU_OPTION_hdd: |
36b486bb FB |
2871 | hd_filename[3] = optarg; |
2872 | break; | |
cd6f1169 | 2873 | case QEMU_OPTION_cdrom: |
36b486bb | 2874 | hd_filename[2] = optarg; |
c4b1fcc0 | 2875 | has_cdrom = 1; |
36b486bb | 2876 | break; |
cd6f1169 | 2877 | case QEMU_OPTION_boot: |
36b486bb | 2878 | boot_device = optarg[0]; |
c45886db FB |
2879 | if (boot_device != 'a' && boot_device != 'b' && |
2880 | boot_device != 'c' && boot_device != 'd') { | |
36b486bb FB |
2881 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); |
2882 | exit(1); | |
2883 | } | |
2884 | break; | |
cd6f1169 | 2885 | case QEMU_OPTION_fda: |
c45886db FB |
2886 | fd_filename[0] = optarg; |
2887 | break; | |
cd6f1169 | 2888 | case QEMU_OPTION_fdb: |
c45886db FB |
2889 | fd_filename[1] = optarg; |
2890 | break; | |
cd6f1169 | 2891 | case QEMU_OPTION_no_code_copy: |
77fef8c1 FB |
2892 | code_copy_enabled = 0; |
2893 | break; | |
cd6f1169 | 2894 | case QEMU_OPTION_nics: |
c4b1fcc0 | 2895 | nb_nics = atoi(optarg); |
3a1bc175 | 2896 | if (nb_nics < 0 || nb_nics > MAX_NICS) { |
c4b1fcc0 FB |
2897 | fprintf(stderr, "qemu: invalid number of network interfaces\n"); |
2898 | exit(1); | |
2899 | } | |
2900 | break; | |
cd6f1169 | 2901 | case QEMU_OPTION_macaddr: |
702c651c FB |
2902 | { |
2903 | const char *p; | |
2904 | int i; | |
2905 | p = optarg; | |
2906 | for(i = 0; i < 6; i++) { | |
2907 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2908 | if (i == 5) { | |
2909 | if (*p != '\0') | |
2910 | goto macaddr_error; | |
2911 | } else { | |
2912 | if (*p != ':') { | |
2913 | macaddr_error: | |
2914 | fprintf(stderr, "qemu: invalid syntax for ethernet address\n"); | |
2915 | exit(1); | |
2916 | } | |
2917 | p++; | |
2918 | } | |
2919 | } | |
2920 | } | |
2921 | break; | |
c7f74643 FB |
2922 | #ifdef CONFIG_SLIRP |
2923 | case QEMU_OPTION_tftp: | |
c7f74643 | 2924 | tftp_prefix = optarg; |
9bf05444 | 2925 | break; |
c94c8d64 | 2926 | #ifndef _WIN32 |
9d728e8c FB |
2927 | case QEMU_OPTION_smb: |
2928 | net_slirp_smb(optarg); | |
2929 | break; | |
c94c8d64 | 2930 | #endif |
cd6f1169 | 2931 | case QEMU_OPTION_user_net: |
c20709aa FB |
2932 | net_if_type = NET_IF_USER; |
2933 | break; | |
9bf05444 FB |
2934 | case QEMU_OPTION_redir: |
2935 | net_slirp_redir(optarg); | |
2936 | break; | |
c7f74643 | 2937 | #endif |
cd6f1169 | 2938 | case QEMU_OPTION_dummy_net: |
c20709aa FB |
2939 | net_if_type = NET_IF_DUMMY; |
2940 | break; | |
cd6f1169 | 2941 | case QEMU_OPTION_enable_audio: |
aaaa7df6 FB |
2942 | audio_enabled = 1; |
2943 | break; | |
cd6f1169 | 2944 | case QEMU_OPTION_h: |
0824d6fc | 2945 | help(); |
cd6f1169 FB |
2946 | break; |
2947 | case QEMU_OPTION_m: | |
2948 | ram_size = atoi(optarg) * 1024 * 1024; | |
2949 | if (ram_size <= 0) | |
2950 | help(); | |
2951 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
2952 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
2953 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
2954 | exit(1); | |
2955 | } | |
2956 | break; | |
2957 | case QEMU_OPTION_d: | |
2958 | { | |
2959 | int mask; | |
2960 | CPULogItem *item; | |
2961 | ||
2962 | mask = cpu_str_to_log_mask(optarg); | |
2963 | if (!mask) { | |
2964 | printf("Log items (comma separated):\n"); | |
f193c797 FB |
2965 | for(item = cpu_log_items; item->mask != 0; item++) { |
2966 | printf("%-10s %s\n", item->name, item->help); | |
2967 | } | |
2968 | exit(1); | |
cd6f1169 FB |
2969 | } |
2970 | cpu_set_log(mask); | |
f193c797 | 2971 | } |
cd6f1169 FB |
2972 | break; |
2973 | case QEMU_OPTION_n: | |
2974 | pstrcpy(network_script, sizeof(network_script), optarg); | |
2975 | break; | |
67b915a5 | 2976 | #ifdef CONFIG_GDBSTUB |
cd6f1169 FB |
2977 | case QEMU_OPTION_s: |
2978 | use_gdbstub = 1; | |
2979 | break; | |
2980 | case QEMU_OPTION_p: | |
2981 | gdbstub_port = atoi(optarg); | |
2982 | break; | |
67b915a5 | 2983 | #endif |
cd6f1169 FB |
2984 | case QEMU_OPTION_L: |
2985 | bios_dir = optarg; | |
2986 | break; | |
2987 | case QEMU_OPTION_S: | |
2988 | start_emulation = 0; | |
2989 | break; | |
69b91039 FB |
2990 | case QEMU_OPTION_pci: |
2991 | pci_enabled = 1; | |
2992 | break; | |
bb0c6722 FB |
2993 | case QEMU_OPTION_isa: |
2994 | pci_enabled = 0; | |
2995 | break; | |
77d4bc34 FB |
2996 | case QEMU_OPTION_prep: |
2997 | prep_enabled = 1; | |
2998 | break; | |
ee22c2f7 FB |
2999 | case QEMU_OPTION_localtime: |
3000 | rtc_utc = 0; | |
3001 | break; | |
1f04275e FB |
3002 | case QEMU_OPTION_cirrusvga: |
3003 | cirrus_vga_enabled = 1; | |
3004 | break; | |
1bfe856e FB |
3005 | case QEMU_OPTION_std_vga: |
3006 | cirrus_vga_enabled = 0; | |
3007 | break; | |
e9b137c2 FB |
3008 | case QEMU_OPTION_g: |
3009 | { | |
3010 | const char *p; | |
3011 | int w, h, depth; | |
3012 | p = optarg; | |
3013 | w = strtol(p, (char **)&p, 10); | |
3014 | if (w <= 0) { | |
3015 | graphic_error: | |
3016 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
3017 | exit(1); | |
3018 | } | |
3019 | if (*p != 'x') | |
3020 | goto graphic_error; | |
3021 | p++; | |
3022 | h = strtol(p, (char **)&p, 10); | |
3023 | if (h <= 0) | |
3024 | goto graphic_error; | |
3025 | if (*p == 'x') { | |
3026 | p++; | |
3027 | depth = strtol(p, (char **)&p, 10); | |
3028 | if (depth != 8 && depth != 15 && depth != 16 && | |
3029 | depth != 24 && depth != 32) | |
3030 | goto graphic_error; | |
3031 | } else if (*p == '\0') { | |
3032 | depth = graphic_depth; | |
3033 | } else { | |
3034 | goto graphic_error; | |
3035 | } | |
3036 | ||
3037 | graphic_width = w; | |
3038 | graphic_height = h; | |
3039 | graphic_depth = depth; | |
3040 | } | |
3041 | break; | |
82c643ff FB |
3042 | case QEMU_OPTION_monitor: |
3043 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
3044 | break; | |
3045 | case QEMU_OPTION_serial: | |
8d11df9e FB |
3046 | if (serial_device_index >= MAX_SERIAL_PORTS) { |
3047 | fprintf(stderr, "qemu: too many serial ports\n"); | |
3048 | exit(1); | |
3049 | } | |
3050 | pstrcpy(serial_devices[serial_device_index], | |
3051 | sizeof(serial_devices[0]), optarg); | |
3052 | serial_device_index++; | |
82c643ff | 3053 | break; |
cd6f1169 | 3054 | } |
0824d6fc FB |
3055 | } |
3056 | } | |
330d0414 | 3057 | |
a20dd508 | 3058 | linux_boot = (kernel_filename != NULL); |
330d0414 | 3059 | |
c45886db FB |
3060 | if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
3061 | fd_filename[0] == '\0') | |
0824d6fc | 3062 | help(); |
8f2b1fb0 FB |
3063 | |
3064 | /* boot to cd by default if no hard disk */ | |
d0309311 FB |
3065 | if (hd_filename[0] == '\0' && boot_device == 'c') { |
3066 | if (fd_filename[0] != '\0') | |
3067 | boot_device = 'a'; | |
3068 | else | |
3069 | boot_device = 'd'; | |
3070 | } | |
0824d6fc | 3071 | |
dc887a4d FB |
3072 | #if !defined(CONFIG_SOFTMMU) |
3073 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
3074 | { | |
3075 | static uint8_t stdout_buf[4096]; | |
3076 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
3077 | } | |
3078 | #else | |
b118d61e | 3079 | setvbuf(stdout, NULL, _IOLBF, 0); |
dc887a4d | 3080 | #endif |
0824d6fc | 3081 | |
c4b1fcc0 | 3082 | /* init host network redirectors */ |
c20709aa FB |
3083 | if (net_if_type == -1) { |
3084 | net_if_type = NET_IF_TUN; | |
3085 | #if defined(CONFIG_SLIRP) | |
3086 | if (access(network_script, R_OK) < 0) { | |
3087 | net_if_type = NET_IF_USER; | |
3088 | } | |
3089 | #endif | |
3090 | } | |
3091 | ||
3092 | for(i = 0; i < nb_nics; i++) { | |
702c651c | 3093 | NetDriverState *nd = &nd_table[i]; |
c20709aa | 3094 | nd->index = i; |
702c651c FB |
3095 | /* init virtual mac address */ |
3096 | nd->macaddr[0] = macaddr[0]; | |
3097 | nd->macaddr[1] = macaddr[1]; | |
3098 | nd->macaddr[2] = macaddr[2]; | |
3099 | nd->macaddr[3] = macaddr[3]; | |
3100 | nd->macaddr[4] = macaddr[4]; | |
3101 | nd->macaddr[5] = macaddr[5] + i; | |
c20709aa FB |
3102 | switch(net_if_type) { |
3103 | #if defined(CONFIG_SLIRP) | |
3104 | case NET_IF_USER: | |
3105 | net_slirp_init(nd); | |
3106 | break; | |
3107 | #endif | |
3108 | #if !defined(_WIN32) | |
3109 | case NET_IF_TUN: | |
3110 | if (i < nb_tun_fds) { | |
3111 | net_fd_init(nd, tun_fds[i]); | |
3112 | } else { | |
d927637d FB |
3113 | if (net_tun_init(nd) < 0) |
3114 | net_dummy_init(nd); | |
c20709aa FB |
3115 | } |
3116 | break; | |
3117 | #endif | |
3118 | case NET_IF_DUMMY: | |
3119 | default: | |
3120 | net_dummy_init(nd); | |
3121 | break; | |
3122 | } | |
702c651c | 3123 | } |
f1510b2c | 3124 | |
0824d6fc | 3125 | /* init the memory */ |
0ced6589 | 3126 | phys_ram_size = ram_size + vga_ram_size + bios_size; |
7f7f9873 FB |
3127 | |
3128 | #ifdef CONFIG_SOFTMMU | |
7d3505c5 | 3129 | #ifdef _BSD |
83fb7adf FB |
3130 | /* mallocs are always aligned on BSD. valloc is better for correctness */ |
3131 | phys_ram_base = valloc(phys_ram_size); | |
7d3505c5 | 3132 | #else |
1ccde1cb | 3133 | phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
7d3505c5 | 3134 | #endif |
7f7f9873 FB |
3135 | if (!phys_ram_base) { |
3136 | fprintf(stderr, "Could not allocate physical memory\n"); | |
0824d6fc FB |
3137 | exit(1); |
3138 | } | |
7f7f9873 FB |
3139 | #else |
3140 | /* as we must map the same page at several addresses, we must use | |
3141 | a fd */ | |
3142 | { | |
3143 | const char *tmpdir; | |
3144 | ||
3145 | tmpdir = getenv("QEMU_TMPDIR"); | |
3146 | if (!tmpdir) | |
3147 | tmpdir = "/tmp"; | |
3148 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
3149 | if (mkstemp(phys_ram_file) < 0) { | |
3150 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
3151 | phys_ram_file); | |
3152 | exit(1); | |
3153 | } | |
3154 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
3155 | if (phys_ram_fd < 0) { | |
3156 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
3157 | phys_ram_file); | |
3158 | exit(1); | |
3159 | } | |
1ccde1cb | 3160 | ftruncate(phys_ram_fd, phys_ram_size); |
7f7f9873 | 3161 | unlink(phys_ram_file); |
1ccde1cb FB |
3162 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
3163 | phys_ram_size, | |
7f7f9873 FB |
3164 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
3165 | phys_ram_fd, 0); | |
3166 | if (phys_ram_base == MAP_FAILED) { | |
3167 | fprintf(stderr, "Could not map physical memory\n"); | |
3168 | exit(1); | |
3169 | } | |
3170 | } | |
3171 | #endif | |
0824d6fc | 3172 | |
c4b1fcc0 | 3173 | /* we always create the cdrom drive, even if no disk is there */ |
5905b2e5 | 3174 | bdrv_init(); |
c4b1fcc0 FB |
3175 | if (has_cdrom) { |
3176 | bs_table[2] = bdrv_new("cdrom"); | |
3177 | bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM); | |
3178 | } | |
3179 | ||
33e3963e FB |
3180 | /* open the virtual block devices */ |
3181 | for(i = 0; i < MAX_DISKS; i++) { | |
3182 | if (hd_filename[i]) { | |
33e3963e | 3183 | if (!bs_table[i]) { |
c4b1fcc0 FB |
3184 | char buf[64]; |
3185 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
3186 | bs_table[i] = bdrv_new(buf); | |
3187 | } | |
3188 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
5905b2e5 | 3189 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", |
33e3963e FB |
3190 | hd_filename[i]); |
3191 | exit(1); | |
3192 | } | |
c4b1fcc0 FB |
3193 | if (i == 0 && cyls != 0) |
3194 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
3195 | } | |
3196 | } | |
3197 | ||
3198 | /* we always create at least one floppy disk */ | |
3199 | fd_table[0] = bdrv_new("fda"); | |
3200 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
3201 | ||
3202 | for(i = 0; i < MAX_FD; i++) { | |
3203 | if (fd_filename[i]) { | |
3204 | if (!fd_table[i]) { | |
3205 | char buf[64]; | |
3206 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
3207 | fd_table[i] = bdrv_new(buf); | |
3208 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
3209 | } | |
3210 | if (fd_filename[i] != '\0') { | |
3211 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
c20709aa | 3212 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", |
c4b1fcc0 FB |
3213 | fd_filename[i]); |
3214 | exit(1); | |
3215 | } | |
3216 | } | |
33e3963e FB |
3217 | } |
3218 | } | |
3219 | ||
330d0414 FB |
3220 | /* init CPU state */ |
3221 | env = cpu_init(); | |
3222 | global_env = env; | |
3223 | cpu_single_env = env; | |
3224 | ||
8a7ddc38 | 3225 | register_savevm("timer", 0, 1, timer_save, timer_load, env); |
02ba45c5 | 3226 | register_savevm("cpu", 0, 2, cpu_save, cpu_load, env); |
8a7ddc38 | 3227 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
bb0c6722 | 3228 | qemu_register_reset(main_cpu_reset, global_env); |
8a7ddc38 | 3229 | |
330d0414 | 3230 | init_ioports(); |
80cabfad | 3231 | cpu_calibrate_ticks(); |
0824d6fc | 3232 | |
313aa567 | 3233 | /* terminal init */ |
a20dd508 | 3234 | if (nographic) { |
313aa567 FB |
3235 | dumb_display_init(ds); |
3236 | } else { | |
3237 | #ifdef CONFIG_SDL | |
3238 | sdl_display_init(ds); | |
313aa567 FB |
3239 | #else |
3240 | dumb_display_init(ds); | |
3241 | #endif | |
3242 | } | |
0824d6fc | 3243 | |
82c643ff FB |
3244 | vga_console = graphic_console_init(ds); |
3245 | ||
3246 | monitor_hd = qemu_chr_open(monitor_device); | |
3247 | if (!monitor_hd) { | |
3248 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
3249 | exit(1); | |
3250 | } | |
3251 | monitor_init(monitor_hd, !nographic); | |
3252 | ||
8d11df9e FB |
3253 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
3254 | if (serial_devices[i][0] != '\0') { | |
3255 | serial_hds[i] = qemu_chr_open(serial_devices[i]); | |
3256 | if (!serial_hds[i]) { | |
3257 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
3258 | serial_devices[i]); | |
3259 | exit(1); | |
3260 | } | |
3261 | if (!strcmp(serial_devices[i], "vc")) | |
3262 | qemu_chr_printf(serial_hds[i], "serial%d console\n", i); | |
3263 | } | |
82c643ff | 3264 | } |
82c643ff | 3265 | |
0824d6fc | 3266 | /* setup cpu signal handlers for MMU / self modifying code handling */ |
77fef8c1 | 3267 | #if !defined(CONFIG_SOFTMMU) |
8a7ddc38 | 3268 | |
77fef8c1 FB |
3269 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
3270 | { | |
3271 | stack_t stk; | |
73332e5c | 3272 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); |
77fef8c1 FB |
3273 | stk.ss_sp = signal_stack; |
3274 | stk.ss_size = SIGNAL_STACK_SIZE; | |
3275 | stk.ss_flags = 0; | |
3276 | ||
3277 | if (sigaltstack(&stk, NULL) < 0) { | |
3278 | perror("sigaltstack"); | |
3279 | exit(1); | |
3280 | } | |
3281 | } | |
3282 | #endif | |
8a7ddc38 FB |
3283 | { |
3284 | struct sigaction act; | |
77fef8c1 | 3285 | |
8a7ddc38 FB |
3286 | sigfillset(&act.sa_mask); |
3287 | act.sa_flags = SA_SIGINFO; | |
77fef8c1 | 3288 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3289 | act.sa_flags |= SA_ONSTACK; |
77fef8c1 | 3290 | #endif |
8a7ddc38 FB |
3291 | act.sa_sigaction = host_segv_handler; |
3292 | sigaction(SIGSEGV, &act, NULL); | |
3293 | sigaction(SIGBUS, &act, NULL); | |
77fef8c1 | 3294 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) |
8a7ddc38 | 3295 | sigaction(SIGFPE, &act, NULL); |
77fef8c1 | 3296 | #endif |
8a7ddc38 | 3297 | } |
3a51dee6 | 3298 | #endif |
0824d6fc | 3299 | |
67b915a5 | 3300 | #ifndef _WIN32 |
8a7ddc38 FB |
3301 | { |
3302 | struct sigaction act; | |
3303 | sigfillset(&act.sa_mask); | |
3304 | act.sa_flags = 0; | |
3305 | act.sa_handler = SIG_IGN; | |
3306 | sigaction(SIGPIPE, &act, NULL); | |
3307 | } | |
67b915a5 | 3308 | #endif |
73332e5c FB |
3309 | init_timers(); |
3310 | ||
3311 | #if defined(TARGET_I386) | |
3312 | pc_init(ram_size, vga_ram_size, boot_device, | |
3313 | ds, fd_filename, snapshot, | |
3314 | kernel_filename, kernel_cmdline, initrd_filename); | |
3315 | #elif defined(TARGET_PPC) | |
a541f297 FB |
3316 | ppc_init(ram_size, vga_ram_size, boot_device, |
3317 | ds, fd_filename, snapshot, | |
3318 | kernel_filename, kernel_cmdline, initrd_filename); | |
73332e5c FB |
3319 | #endif |
3320 | ||
8a7ddc38 FB |
3321 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); |
3322 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7f7f9873 | 3323 | |
67b915a5 | 3324 | #ifdef CONFIG_GDBSTUB |
b4608c04 | 3325 | if (use_gdbstub) { |
8a7ddc38 FB |
3326 | if (gdbserver_start(gdbstub_port) < 0) { |
3327 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
3328 | gdbstub_port); | |
3329 | exit(1); | |
3330 | } else { | |
3331 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
3332 | } | |
67b915a5 FB |
3333 | } else |
3334 | #endif | |
3335 | { | |
5905b2e5 FB |
3336 | /* XXX: simplify init */ |
3337 | read_passwords(); | |
3338 | if (start_emulation) { | |
3339 | vm_start(); | |
3340 | } | |
0824d6fc | 3341 | } |
8a7ddc38 | 3342 | main_loop(); |
40c3bac3 | 3343 | quit_timers(); |
0824d6fc FB |
3344 | return 0; |
3345 | } |