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1 | /* | |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2005 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "vl.h" | |
25 | ||
26 | #include <unistd.h> | |
27 | #include <fcntl.h> | |
28 | #include <signal.h> | |
29 | #include <time.h> | |
30 | #include <errno.h> | |
31 | #include <sys/time.h> | |
32 | ||
33 | #ifndef _WIN32 | |
34 | #include <sys/times.h> | |
35 | #include <sys/wait.h> | |
36 | #include <termios.h> | |
37 | #include <sys/poll.h> | |
38 | #include <sys/mman.h> | |
39 | #include <sys/ioctl.h> | |
40 | #include <sys/socket.h> | |
41 | #include <netinet/in.h> | |
42 | #include <dirent.h> | |
43 | #include <netdb.h> | |
44 | #ifdef _BSD | |
45 | #include <sys/stat.h> | |
46 | #ifndef __APPLE__ | |
47 | #include <libutil.h> | |
48 | #endif | |
49 | #else | |
50 | #include <linux/if.h> | |
51 | #include <linux/if_tun.h> | |
52 | #include <pty.h> | |
53 | #include <malloc.h> | |
54 | #include <linux/rtc.h> | |
55 | #include <linux/ppdev.h> | |
56 | #endif | |
57 | #endif | |
58 | ||
59 | #if defined(CONFIG_SLIRP) | |
60 | #include "libslirp.h" | |
61 | #endif | |
62 | ||
63 | #ifdef _WIN32 | |
64 | #include <malloc.h> | |
65 | #include <sys/timeb.h> | |
66 | #include <windows.h> | |
67 | #define getopt_long_only getopt_long | |
68 | #define memalign(align, size) malloc(size) | |
69 | #endif | |
70 | ||
71 | #ifdef CONFIG_SDL | |
72 | #ifdef __APPLE__ | |
73 | #include <SDL/SDL.h> | |
74 | #endif | |
75 | #endif /* CONFIG_SDL */ | |
76 | ||
77 | #ifdef CONFIG_COCOA | |
78 | #undef main | |
79 | #define main qemu_main | |
80 | #endif /* CONFIG_COCOA */ | |
81 | ||
82 | #include "disas.h" | |
83 | ||
84 | #include "exec-all.h" | |
85 | ||
86 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
87 | ||
88 | //#define DEBUG_UNUSED_IOPORT | |
89 | //#define DEBUG_IOPORT | |
90 | ||
91 | #if !defined(CONFIG_SOFTMMU) | |
92 | #define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) | |
93 | #else | |
94 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
95 | #endif | |
96 | ||
97 | #ifdef TARGET_PPC | |
98 | #define DEFAULT_RAM_SIZE 144 | |
99 | #else | |
100 | #define DEFAULT_RAM_SIZE 128 | |
101 | #endif | |
102 | /* in ms */ | |
103 | #define GUI_REFRESH_INTERVAL 30 | |
104 | ||
105 | /* XXX: use a two level table to limit memory usage */ | |
106 | #define MAX_IOPORTS 65536 | |
107 | ||
108 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
109 | char phys_ram_file[1024]; | |
110 | void *ioport_opaque[MAX_IOPORTS]; | |
111 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
112 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
113 | BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; | |
114 | int vga_ram_size; | |
115 | int bios_size; | |
116 | static DisplayState display_state; | |
117 | int nographic; | |
118 | const char* keyboard_layout = NULL; | |
119 | int64_t ticks_per_sec; | |
120 | int boot_device = 'c'; | |
121 | int ram_size; | |
122 | int pit_min_timer_count = 0; | |
123 | int nb_nics; | |
124 | NICInfo nd_table[MAX_NICS]; | |
125 | QEMUTimer *gui_timer; | |
126 | int vm_running; | |
127 | #ifdef HAS_AUDIO | |
128 | int audio_enabled = 0; | |
129 | int sb16_enabled = 0; | |
130 | int adlib_enabled = 0; | |
131 | int gus_enabled = 0; | |
132 | int es1370_enabled = 0; | |
133 | #endif | |
134 | int rtc_utc = 1; | |
135 | int cirrus_vga_enabled = 1; | |
136 | #ifdef TARGET_SPARC | |
137 | int graphic_width = 1024; | |
138 | int graphic_height = 768; | |
139 | #else | |
140 | int graphic_width = 800; | |
141 | int graphic_height = 600; | |
142 | #endif | |
143 | int graphic_depth = 15; | |
144 | int full_screen = 0; | |
145 | TextConsole *vga_console; | |
146 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
147 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
148 | #ifdef TARGET_I386 | |
149 | int win2k_install_hack = 0; | |
150 | #endif | |
151 | int usb_enabled = 0; | |
152 | USBPort *vm_usb_ports[MAX_VM_USB_PORTS]; | |
153 | USBDevice *vm_usb_hub; | |
154 | static VLANState *first_vlan; | |
155 | int smp_cpus = 1; | |
156 | #ifdef TARGET_SPARC | |
157 | #define MAX_CPUS 16 | |
158 | #else | |
159 | #define MAX_CPUS 8 | |
160 | #endif | |
161 | ||
162 | /***********************************************************/ | |
163 | /* x86 ISA bus support */ | |
164 | ||
165 | target_phys_addr_t isa_mem_base = 0; | |
166 | PicState2 *isa_pic; | |
167 | ||
168 | uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
169 | { | |
170 | #ifdef DEBUG_UNUSED_IOPORT | |
171 | fprintf(stderr, "inb: port=0x%04x\n", address); | |
172 | #endif | |
173 | return 0xff; | |
174 | } | |
175 | ||
176 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
177 | { | |
178 | #ifdef DEBUG_UNUSED_IOPORT | |
179 | fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data); | |
180 | #endif | |
181 | } | |
182 | ||
183 | /* default is to make two byte accesses */ | |
184 | uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
185 | { | |
186 | uint32_t data; | |
187 | data = ioport_read_table[0][address](ioport_opaque[address], address); | |
188 | address = (address + 1) & (MAX_IOPORTS - 1); | |
189 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
190 | return data; | |
191 | } | |
192 | ||
193 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
194 | { | |
195 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); | |
196 | address = (address + 1) & (MAX_IOPORTS - 1); | |
197 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
198 | } | |
199 | ||
200 | uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
201 | { | |
202 | #ifdef DEBUG_UNUSED_IOPORT | |
203 | fprintf(stderr, "inl: port=0x%04x\n", address); | |
204 | #endif | |
205 | return 0xffffffff; | |
206 | } | |
207 | ||
208 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
209 | { | |
210 | #ifdef DEBUG_UNUSED_IOPORT | |
211 | fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data); | |
212 | #endif | |
213 | } | |
214 | ||
215 | void init_ioports(void) | |
216 | { | |
217 | int i; | |
218 | ||
219 | for(i = 0; i < MAX_IOPORTS; i++) { | |
220 | ioport_read_table[0][i] = default_ioport_readb; | |
221 | ioport_write_table[0][i] = default_ioport_writeb; | |
222 | ioport_read_table[1][i] = default_ioport_readw; | |
223 | ioport_write_table[1][i] = default_ioport_writew; | |
224 | ioport_read_table[2][i] = default_ioport_readl; | |
225 | ioport_write_table[2][i] = default_ioport_writel; | |
226 | } | |
227 | } | |
228 | ||
229 | /* size is the word size in byte */ | |
230 | int register_ioport_read(int start, int length, int size, | |
231 | IOPortReadFunc *func, void *opaque) | |
232 | { | |
233 | int i, bsize; | |
234 | ||
235 | if (size == 1) { | |
236 | bsize = 0; | |
237 | } else if (size == 2) { | |
238 | bsize = 1; | |
239 | } else if (size == 4) { | |
240 | bsize = 2; | |
241 | } else { | |
242 | hw_error("register_ioport_read: invalid size"); | |
243 | return -1; | |
244 | } | |
245 | for(i = start; i < start + length; i += size) { | |
246 | ioport_read_table[bsize][i] = func; | |
247 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
248 | hw_error("register_ioport_read: invalid opaque"); | |
249 | ioport_opaque[i] = opaque; | |
250 | } | |
251 | return 0; | |
252 | } | |
253 | ||
254 | /* size is the word size in byte */ | |
255 | int register_ioport_write(int start, int length, int size, | |
256 | IOPortWriteFunc *func, void *opaque) | |
257 | { | |
258 | int i, bsize; | |
259 | ||
260 | if (size == 1) { | |
261 | bsize = 0; | |
262 | } else if (size == 2) { | |
263 | bsize = 1; | |
264 | } else if (size == 4) { | |
265 | bsize = 2; | |
266 | } else { | |
267 | hw_error("register_ioport_write: invalid size"); | |
268 | return -1; | |
269 | } | |
270 | for(i = start; i < start + length; i += size) { | |
271 | ioport_write_table[bsize][i] = func; | |
272 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
273 | hw_error("register_ioport_read: invalid opaque"); | |
274 | ioport_opaque[i] = opaque; | |
275 | } | |
276 | return 0; | |
277 | } | |
278 | ||
279 | void isa_unassign_ioport(int start, int length) | |
280 | { | |
281 | int i; | |
282 | ||
283 | for(i = start; i < start + length; i++) { | |
284 | ioport_read_table[0][i] = default_ioport_readb; | |
285 | ioport_read_table[1][i] = default_ioport_readw; | |
286 | ioport_read_table[2][i] = default_ioport_readl; | |
287 | ||
288 | ioport_write_table[0][i] = default_ioport_writeb; | |
289 | ioport_write_table[1][i] = default_ioport_writew; | |
290 | ioport_write_table[2][i] = default_ioport_writel; | |
291 | } | |
292 | } | |
293 | ||
294 | /***********************************************************/ | |
295 | ||
296 | void pstrcpy(char *buf, int buf_size, const char *str) | |
297 | { | |
298 | int c; | |
299 | char *q = buf; | |
300 | ||
301 | if (buf_size <= 0) | |
302 | return; | |
303 | ||
304 | for(;;) { | |
305 | c = *str++; | |
306 | if (c == 0 || q >= buf + buf_size - 1) | |
307 | break; | |
308 | *q++ = c; | |
309 | } | |
310 | *q = '\0'; | |
311 | } | |
312 | ||
313 | /* strcat and truncate. */ | |
314 | char *pstrcat(char *buf, int buf_size, const char *s) | |
315 | { | |
316 | int len; | |
317 | len = strlen(buf); | |
318 | if (len < buf_size) | |
319 | pstrcpy(buf + len, buf_size - len, s); | |
320 | return buf; | |
321 | } | |
322 | ||
323 | int strstart(const char *str, const char *val, const char **ptr) | |
324 | { | |
325 | const char *p, *q; | |
326 | p = str; | |
327 | q = val; | |
328 | while (*q != '\0') { | |
329 | if (*p != *q) | |
330 | return 0; | |
331 | p++; | |
332 | q++; | |
333 | } | |
334 | if (ptr) | |
335 | *ptr = p; | |
336 | return 1; | |
337 | } | |
338 | ||
339 | /* return the size or -1 if error */ | |
340 | int get_image_size(const char *filename) | |
341 | { | |
342 | int fd, size; | |
343 | fd = open(filename, O_RDONLY | O_BINARY); | |
344 | if (fd < 0) | |
345 | return -1; | |
346 | size = lseek(fd, 0, SEEK_END); | |
347 | close(fd); | |
348 | return size; | |
349 | } | |
350 | ||
351 | /* return the size or -1 if error */ | |
352 | int load_image(const char *filename, uint8_t *addr) | |
353 | { | |
354 | int fd, size; | |
355 | fd = open(filename, O_RDONLY | O_BINARY); | |
356 | if (fd < 0) | |
357 | return -1; | |
358 | size = lseek(fd, 0, SEEK_END); | |
359 | lseek(fd, 0, SEEK_SET); | |
360 | if (read(fd, addr, size) != size) { | |
361 | close(fd); | |
362 | return -1; | |
363 | } | |
364 | close(fd); | |
365 | return size; | |
366 | } | |
367 | ||
368 | void cpu_outb(CPUState *env, int addr, int val) | |
369 | { | |
370 | #ifdef DEBUG_IOPORT | |
371 | if (loglevel & CPU_LOG_IOPORT) | |
372 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
373 | #endif | |
374 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
375 | } | |
376 | ||
377 | void cpu_outw(CPUState *env, int addr, int val) | |
378 | { | |
379 | #ifdef DEBUG_IOPORT | |
380 | if (loglevel & CPU_LOG_IOPORT) | |
381 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
382 | #endif | |
383 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
384 | } | |
385 | ||
386 | void cpu_outl(CPUState *env, int addr, int val) | |
387 | { | |
388 | #ifdef DEBUG_IOPORT | |
389 | if (loglevel & CPU_LOG_IOPORT) | |
390 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
391 | #endif | |
392 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
393 | } | |
394 | ||
395 | int cpu_inb(CPUState *env, int addr) | |
396 | { | |
397 | int val; | |
398 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
399 | #ifdef DEBUG_IOPORT | |
400 | if (loglevel & CPU_LOG_IOPORT) | |
401 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
402 | #endif | |
403 | return val; | |
404 | } | |
405 | ||
406 | int cpu_inw(CPUState *env, int addr) | |
407 | { | |
408 | int val; | |
409 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
410 | #ifdef DEBUG_IOPORT | |
411 | if (loglevel & CPU_LOG_IOPORT) | |
412 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
413 | #endif | |
414 | return val; | |
415 | } | |
416 | ||
417 | int cpu_inl(CPUState *env, int addr) | |
418 | { | |
419 | int val; | |
420 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
421 | #ifdef DEBUG_IOPORT | |
422 | if (loglevel & CPU_LOG_IOPORT) | |
423 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
424 | #endif | |
425 | return val; | |
426 | } | |
427 | ||
428 | /***********************************************************/ | |
429 | void hw_error(const char *fmt, ...) | |
430 | { | |
431 | va_list ap; | |
432 | CPUState *env; | |
433 | ||
434 | va_start(ap, fmt); | |
435 | fprintf(stderr, "qemu: hardware error: "); | |
436 | vfprintf(stderr, fmt, ap); | |
437 | fprintf(stderr, "\n"); | |
438 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
439 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
440 | #ifdef TARGET_I386 | |
441 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
442 | #else | |
443 | cpu_dump_state(env, stderr, fprintf, 0); | |
444 | #endif | |
445 | } | |
446 | va_end(ap); | |
447 | abort(); | |
448 | } | |
449 | ||
450 | /***********************************************************/ | |
451 | /* keyboard/mouse */ | |
452 | ||
453 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
454 | static void *qemu_put_kbd_event_opaque; | |
455 | static QEMUPutMouseEvent *qemu_put_mouse_event; | |
456 | static void *qemu_put_mouse_event_opaque; | |
457 | ||
458 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
459 | { | |
460 | qemu_put_kbd_event_opaque = opaque; | |
461 | qemu_put_kbd_event = func; | |
462 | } | |
463 | ||
464 | void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) | |
465 | { | |
466 | qemu_put_mouse_event_opaque = opaque; | |
467 | qemu_put_mouse_event = func; | |
468 | } | |
469 | ||
470 | void kbd_put_keycode(int keycode) | |
471 | { | |
472 | if (qemu_put_kbd_event) { | |
473 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
474 | } | |
475 | } | |
476 | ||
477 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
478 | { | |
479 | if (qemu_put_mouse_event) { | |
480 | qemu_put_mouse_event(qemu_put_mouse_event_opaque, | |
481 | dx, dy, dz, buttons_state); | |
482 | } | |
483 | } | |
484 | ||
485 | /***********************************************************/ | |
486 | /* timers */ | |
487 | ||
488 | #if defined(__powerpc__) | |
489 | ||
490 | static inline uint32_t get_tbl(void) | |
491 | { | |
492 | uint32_t tbl; | |
493 | asm volatile("mftb %0" : "=r" (tbl)); | |
494 | return tbl; | |
495 | } | |
496 | ||
497 | static inline uint32_t get_tbu(void) | |
498 | { | |
499 | uint32_t tbl; | |
500 | asm volatile("mftbu %0" : "=r" (tbl)); | |
501 | return tbl; | |
502 | } | |
503 | ||
504 | int64_t cpu_get_real_ticks(void) | |
505 | { | |
506 | uint32_t l, h, h1; | |
507 | /* NOTE: we test if wrapping has occurred */ | |
508 | do { | |
509 | h = get_tbu(); | |
510 | l = get_tbl(); | |
511 | h1 = get_tbu(); | |
512 | } while (h != h1); | |
513 | return ((int64_t)h << 32) | l; | |
514 | } | |
515 | ||
516 | #elif defined(__i386__) | |
517 | ||
518 | int64_t cpu_get_real_ticks(void) | |
519 | { | |
520 | int64_t val; | |
521 | asm volatile ("rdtsc" : "=A" (val)); | |
522 | return val; | |
523 | } | |
524 | ||
525 | #elif defined(__x86_64__) | |
526 | ||
527 | int64_t cpu_get_real_ticks(void) | |
528 | { | |
529 | uint32_t low,high; | |
530 | int64_t val; | |
531 | asm volatile("rdtsc" : "=a" (low), "=d" (high)); | |
532 | val = high; | |
533 | val <<= 32; | |
534 | val |= low; | |
535 | return val; | |
536 | } | |
537 | ||
538 | #elif defined(__ia64) | |
539 | ||
540 | int64_t cpu_get_real_ticks(void) | |
541 | { | |
542 | int64_t val; | |
543 | asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); | |
544 | return val; | |
545 | } | |
546 | ||
547 | #elif defined(__s390__) | |
548 | ||
549 | int64_t cpu_get_real_ticks(void) | |
550 | { | |
551 | int64_t val; | |
552 | asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); | |
553 | return val; | |
554 | } | |
555 | ||
556 | #else | |
557 | #error unsupported CPU | |
558 | #endif | |
559 | ||
560 | static int64_t cpu_ticks_offset; | |
561 | static int cpu_ticks_enabled; | |
562 | ||
563 | static inline int64_t cpu_get_ticks(void) | |
564 | { | |
565 | if (!cpu_ticks_enabled) { | |
566 | return cpu_ticks_offset; | |
567 | } else { | |
568 | return cpu_get_real_ticks() + cpu_ticks_offset; | |
569 | } | |
570 | } | |
571 | ||
572 | /* enable cpu_get_ticks() */ | |
573 | void cpu_enable_ticks(void) | |
574 | { | |
575 | if (!cpu_ticks_enabled) { | |
576 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
577 | cpu_ticks_enabled = 1; | |
578 | } | |
579 | } | |
580 | ||
581 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
582 | cpu_get_ticks() after that. */ | |
583 | void cpu_disable_ticks(void) | |
584 | { | |
585 | if (cpu_ticks_enabled) { | |
586 | cpu_ticks_offset = cpu_get_ticks(); | |
587 | cpu_ticks_enabled = 0; | |
588 | } | |
589 | } | |
590 | ||
591 | static int64_t get_clock(void) | |
592 | { | |
593 | #ifdef _WIN32 | |
594 | struct _timeb tb; | |
595 | _ftime(&tb); | |
596 | return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; | |
597 | #else | |
598 | struct timeval tv; | |
599 | gettimeofday(&tv, NULL); | |
600 | return tv.tv_sec * 1000000LL + tv.tv_usec; | |
601 | #endif | |
602 | } | |
603 | ||
604 | void cpu_calibrate_ticks(void) | |
605 | { | |
606 | int64_t usec, ticks; | |
607 | ||
608 | usec = get_clock(); | |
609 | ticks = cpu_get_real_ticks(); | |
610 | #ifdef _WIN32 | |
611 | Sleep(50); | |
612 | #else | |
613 | usleep(50 * 1000); | |
614 | #endif | |
615 | usec = get_clock() - usec; | |
616 | ticks = cpu_get_real_ticks() - ticks; | |
617 | ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; | |
618 | } | |
619 | ||
620 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
621 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
622 | { | |
623 | union { | |
624 | uint64_t ll; | |
625 | struct { | |
626 | #ifdef WORDS_BIGENDIAN | |
627 | uint32_t high, low; | |
628 | #else | |
629 | uint32_t low, high; | |
630 | #endif | |
631 | } l; | |
632 | } u, res; | |
633 | uint64_t rl, rh; | |
634 | ||
635 | u.ll = a; | |
636 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
637 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
638 | rh += (rl >> 32); | |
639 | res.l.high = rh / c; | |
640 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
641 | return res.ll; | |
642 | } | |
643 | ||
644 | #define QEMU_TIMER_REALTIME 0 | |
645 | #define QEMU_TIMER_VIRTUAL 1 | |
646 | ||
647 | struct QEMUClock { | |
648 | int type; | |
649 | /* XXX: add frequency */ | |
650 | }; | |
651 | ||
652 | struct QEMUTimer { | |
653 | QEMUClock *clock; | |
654 | int64_t expire_time; | |
655 | QEMUTimerCB *cb; | |
656 | void *opaque; | |
657 | struct QEMUTimer *next; | |
658 | }; | |
659 | ||
660 | QEMUClock *rt_clock; | |
661 | QEMUClock *vm_clock; | |
662 | ||
663 | static QEMUTimer *active_timers[2]; | |
664 | #ifdef _WIN32 | |
665 | static MMRESULT timerID; | |
666 | #else | |
667 | /* frequency of the times() clock tick */ | |
668 | static int timer_freq; | |
669 | #endif | |
670 | ||
671 | QEMUClock *qemu_new_clock(int type) | |
672 | { | |
673 | QEMUClock *clock; | |
674 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
675 | if (!clock) | |
676 | return NULL; | |
677 | clock->type = type; | |
678 | return clock; | |
679 | } | |
680 | ||
681 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
682 | { | |
683 | QEMUTimer *ts; | |
684 | ||
685 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
686 | ts->clock = clock; | |
687 | ts->cb = cb; | |
688 | ts->opaque = opaque; | |
689 | return ts; | |
690 | } | |
691 | ||
692 | void qemu_free_timer(QEMUTimer *ts) | |
693 | { | |
694 | qemu_free(ts); | |
695 | } | |
696 | ||
697 | /* stop a timer, but do not dealloc it */ | |
698 | void qemu_del_timer(QEMUTimer *ts) | |
699 | { | |
700 | QEMUTimer **pt, *t; | |
701 | ||
702 | /* NOTE: this code must be signal safe because | |
703 | qemu_timer_expired() can be called from a signal. */ | |
704 | pt = &active_timers[ts->clock->type]; | |
705 | for(;;) { | |
706 | t = *pt; | |
707 | if (!t) | |
708 | break; | |
709 | if (t == ts) { | |
710 | *pt = t->next; | |
711 | break; | |
712 | } | |
713 | pt = &t->next; | |
714 | } | |
715 | } | |
716 | ||
717 | /* modify the current timer so that it will be fired when current_time | |
718 | >= expire_time. The corresponding callback will be called. */ | |
719 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
720 | { | |
721 | QEMUTimer **pt, *t; | |
722 | ||
723 | qemu_del_timer(ts); | |
724 | ||
725 | /* add the timer in the sorted list */ | |
726 | /* NOTE: this code must be signal safe because | |
727 | qemu_timer_expired() can be called from a signal. */ | |
728 | pt = &active_timers[ts->clock->type]; | |
729 | for(;;) { | |
730 | t = *pt; | |
731 | if (!t) | |
732 | break; | |
733 | if (t->expire_time > expire_time) | |
734 | break; | |
735 | pt = &t->next; | |
736 | } | |
737 | ts->expire_time = expire_time; | |
738 | ts->next = *pt; | |
739 | *pt = ts; | |
740 | } | |
741 | ||
742 | int qemu_timer_pending(QEMUTimer *ts) | |
743 | { | |
744 | QEMUTimer *t; | |
745 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
746 | if (t == ts) | |
747 | return 1; | |
748 | } | |
749 | return 0; | |
750 | } | |
751 | ||
752 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
753 | { | |
754 | if (!timer_head) | |
755 | return 0; | |
756 | return (timer_head->expire_time <= current_time); | |
757 | } | |
758 | ||
759 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
760 | { | |
761 | QEMUTimer *ts; | |
762 | ||
763 | for(;;) { | |
764 | ts = *ptimer_head; | |
765 | if (!ts || ts->expire_time > current_time) | |
766 | break; | |
767 | /* remove timer from the list before calling the callback */ | |
768 | *ptimer_head = ts->next; | |
769 | ts->next = NULL; | |
770 | ||
771 | /* run the callback (the timer list can be modified) */ | |
772 | ts->cb(ts->opaque); | |
773 | } | |
774 | } | |
775 | ||
776 | int64_t qemu_get_clock(QEMUClock *clock) | |
777 | { | |
778 | switch(clock->type) { | |
779 | case QEMU_TIMER_REALTIME: | |
780 | #ifdef _WIN32 | |
781 | return GetTickCount(); | |
782 | #else | |
783 | { | |
784 | struct tms tp; | |
785 | ||
786 | /* Note that using gettimeofday() is not a good solution | |
787 | for timers because its value change when the date is | |
788 | modified. */ | |
789 | if (timer_freq == 100) { | |
790 | return times(&tp) * 10; | |
791 | } else { | |
792 | return ((int64_t)times(&tp) * 1000) / timer_freq; | |
793 | } | |
794 | } | |
795 | #endif | |
796 | default: | |
797 | case QEMU_TIMER_VIRTUAL: | |
798 | return cpu_get_ticks(); | |
799 | } | |
800 | } | |
801 | ||
802 | /* save a timer */ | |
803 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
804 | { | |
805 | uint64_t expire_time; | |
806 | ||
807 | if (qemu_timer_pending(ts)) { | |
808 | expire_time = ts->expire_time; | |
809 | } else { | |
810 | expire_time = -1; | |
811 | } | |
812 | qemu_put_be64(f, expire_time); | |
813 | } | |
814 | ||
815 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
816 | { | |
817 | uint64_t expire_time; | |
818 | ||
819 | expire_time = qemu_get_be64(f); | |
820 | if (expire_time != -1) { | |
821 | qemu_mod_timer(ts, expire_time); | |
822 | } else { | |
823 | qemu_del_timer(ts); | |
824 | } | |
825 | } | |
826 | ||
827 | static void timer_save(QEMUFile *f, void *opaque) | |
828 | { | |
829 | if (cpu_ticks_enabled) { | |
830 | hw_error("cannot save state if virtual timers are running"); | |
831 | } | |
832 | qemu_put_be64s(f, &cpu_ticks_offset); | |
833 | qemu_put_be64s(f, &ticks_per_sec); | |
834 | } | |
835 | ||
836 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
837 | { | |
838 | if (version_id != 1) | |
839 | return -EINVAL; | |
840 | if (cpu_ticks_enabled) { | |
841 | return -EINVAL; | |
842 | } | |
843 | qemu_get_be64s(f, &cpu_ticks_offset); | |
844 | qemu_get_be64s(f, &ticks_per_sec); | |
845 | return 0; | |
846 | } | |
847 | ||
848 | #ifdef _WIN32 | |
849 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
850 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
851 | #else | |
852 | static void host_alarm_handler(int host_signum) | |
853 | #endif | |
854 | { | |
855 | #if 0 | |
856 | #define DISP_FREQ 1000 | |
857 | { | |
858 | static int64_t delta_min = INT64_MAX; | |
859 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
860 | static int count; | |
861 | ti = qemu_get_clock(vm_clock); | |
862 | if (last_clock != 0) { | |
863 | delta = ti - last_clock; | |
864 | if (delta < delta_min) | |
865 | delta_min = delta; | |
866 | if (delta > delta_max) | |
867 | delta_max = delta; | |
868 | delta_cum += delta; | |
869 | if (++count == DISP_FREQ) { | |
870 | printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n", | |
871 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
872 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
873 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
874 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
875 | count = 0; | |
876 | delta_min = INT64_MAX; | |
877 | delta_max = 0; | |
878 | delta_cum = 0; | |
879 | } | |
880 | } | |
881 | last_clock = ti; | |
882 | } | |
883 | #endif | |
884 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
885 | qemu_get_clock(vm_clock)) || | |
886 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
887 | qemu_get_clock(rt_clock))) { | |
888 | CPUState *env = cpu_single_env; | |
889 | if (env) { | |
890 | /* stop the currently executing cpu because a timer occured */ | |
891 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
892 | #ifdef USE_KQEMU | |
893 | if (env->kqemu_enabled) { | |
894 | kqemu_cpu_interrupt(env); | |
895 | } | |
896 | #endif | |
897 | } | |
898 | } | |
899 | } | |
900 | ||
901 | #ifndef _WIN32 | |
902 | ||
903 | #if defined(__linux__) | |
904 | ||
905 | #define RTC_FREQ 1024 | |
906 | ||
907 | static int rtc_fd; | |
908 | ||
909 | static int start_rtc_timer(void) | |
910 | { | |
911 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
912 | if (rtc_fd < 0) | |
913 | return -1; | |
914 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
915 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
916 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
917 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
918 | goto fail; | |
919 | } | |
920 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
921 | fail: | |
922 | close(rtc_fd); | |
923 | return -1; | |
924 | } | |
925 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
926 | return 0; | |
927 | } | |
928 | ||
929 | #else | |
930 | ||
931 | static int start_rtc_timer(void) | |
932 | { | |
933 | return -1; | |
934 | } | |
935 | ||
936 | #endif /* !defined(__linux__) */ | |
937 | ||
938 | #endif /* !defined(_WIN32) */ | |
939 | ||
940 | static void init_timers(void) | |
941 | { | |
942 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
943 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
944 | ||
945 | #ifdef _WIN32 | |
946 | { | |
947 | int count=0; | |
948 | timerID = timeSetEvent(1, // interval (ms) | |
949 | 0, // resolution | |
950 | host_alarm_handler, // function | |
951 | (DWORD)&count, // user parameter | |
952 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
953 | if( !timerID ) { | |
954 | perror("failed timer alarm"); | |
955 | exit(1); | |
956 | } | |
957 | } | |
958 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
959 | #else | |
960 | { | |
961 | struct sigaction act; | |
962 | struct itimerval itv; | |
963 | ||
964 | /* get times() syscall frequency */ | |
965 | timer_freq = sysconf(_SC_CLK_TCK); | |
966 | ||
967 | /* timer signal */ | |
968 | sigfillset(&act.sa_mask); | |
969 | act.sa_flags = 0; | |
970 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
971 | act.sa_flags |= SA_ONSTACK; | |
972 | #endif | |
973 | act.sa_handler = host_alarm_handler; | |
974 | sigaction(SIGALRM, &act, NULL); | |
975 | ||
976 | itv.it_interval.tv_sec = 0; | |
977 | itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ | |
978 | itv.it_value.tv_sec = 0; | |
979 | itv.it_value.tv_usec = 10 * 1000; | |
980 | setitimer(ITIMER_REAL, &itv, NULL); | |
981 | /* we probe the tick duration of the kernel to inform the user if | |
982 | the emulated kernel requested a too high timer frequency */ | |
983 | getitimer(ITIMER_REAL, &itv); | |
984 | ||
985 | #if defined(__linux__) | |
986 | if (itv.it_interval.tv_usec > 1000) { | |
987 | /* try to use /dev/rtc to have a faster timer */ | |
988 | if (start_rtc_timer() < 0) | |
989 | goto use_itimer; | |
990 | /* disable itimer */ | |
991 | itv.it_interval.tv_sec = 0; | |
992 | itv.it_interval.tv_usec = 0; | |
993 | itv.it_value.tv_sec = 0; | |
994 | itv.it_value.tv_usec = 0; | |
995 | setitimer(ITIMER_REAL, &itv, NULL); | |
996 | ||
997 | /* use the RTC */ | |
998 | sigaction(SIGIO, &act, NULL); | |
999 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
1000 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
1001 | } else | |
1002 | #endif /* defined(__linux__) */ | |
1003 | { | |
1004 | use_itimer: | |
1005 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
1006 | PIT_FREQ) / 1000000; | |
1007 | } | |
1008 | } | |
1009 | #endif | |
1010 | } | |
1011 | ||
1012 | void quit_timers(void) | |
1013 | { | |
1014 | #ifdef _WIN32 | |
1015 | timeKillEvent(timerID); | |
1016 | #endif | |
1017 | } | |
1018 | ||
1019 | /***********************************************************/ | |
1020 | /* character device */ | |
1021 | ||
1022 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
1023 | { | |
1024 | return s->chr_write(s, buf, len); | |
1025 | } | |
1026 | ||
1027 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
1028 | { | |
1029 | if (!s->chr_ioctl) | |
1030 | return -ENOTSUP; | |
1031 | return s->chr_ioctl(s, cmd, arg); | |
1032 | } | |
1033 | ||
1034 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
1035 | { | |
1036 | char buf[4096]; | |
1037 | va_list ap; | |
1038 | va_start(ap, fmt); | |
1039 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
1040 | qemu_chr_write(s, buf, strlen(buf)); | |
1041 | va_end(ap); | |
1042 | } | |
1043 | ||
1044 | void qemu_chr_send_event(CharDriverState *s, int event) | |
1045 | { | |
1046 | if (s->chr_send_event) | |
1047 | s->chr_send_event(s, event); | |
1048 | } | |
1049 | ||
1050 | void qemu_chr_add_read_handler(CharDriverState *s, | |
1051 | IOCanRWHandler *fd_can_read, | |
1052 | IOReadHandler *fd_read, void *opaque) | |
1053 | { | |
1054 | s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); | |
1055 | } | |
1056 | ||
1057 | void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event) | |
1058 | { | |
1059 | s->chr_event = chr_event; | |
1060 | } | |
1061 | ||
1062 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1063 | { | |
1064 | return len; | |
1065 | } | |
1066 | ||
1067 | static void null_chr_add_read_handler(CharDriverState *chr, | |
1068 | IOCanRWHandler *fd_can_read, | |
1069 | IOReadHandler *fd_read, void *opaque) | |
1070 | { | |
1071 | } | |
1072 | ||
1073 | CharDriverState *qemu_chr_open_null(void) | |
1074 | { | |
1075 | CharDriverState *chr; | |
1076 | ||
1077 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1078 | if (!chr) | |
1079 | return NULL; | |
1080 | chr->chr_write = null_chr_write; | |
1081 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1082 | return chr; | |
1083 | } | |
1084 | ||
1085 | #ifndef _WIN32 | |
1086 | ||
1087 | typedef struct { | |
1088 | int fd_in, fd_out; | |
1089 | IOCanRWHandler *fd_can_read; | |
1090 | IOReadHandler *fd_read; | |
1091 | void *fd_opaque; | |
1092 | int max_size; | |
1093 | } FDCharDriver; | |
1094 | ||
1095 | #define STDIO_MAX_CLIENTS 2 | |
1096 | ||
1097 | static int stdio_nb_clients; | |
1098 | static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS]; | |
1099 | ||
1100 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
1101 | { | |
1102 | int ret, len; | |
1103 | ||
1104 | len = len1; | |
1105 | while (len > 0) { | |
1106 | ret = write(fd, buf, len); | |
1107 | if (ret < 0) { | |
1108 | if (errno != EINTR && errno != EAGAIN) | |
1109 | return -1; | |
1110 | } else if (ret == 0) { | |
1111 | break; | |
1112 | } else { | |
1113 | buf += ret; | |
1114 | len -= ret; | |
1115 | } | |
1116 | } | |
1117 | return len1 - len; | |
1118 | } | |
1119 | ||
1120 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1121 | { | |
1122 | FDCharDriver *s = chr->opaque; | |
1123 | return unix_write(s->fd_out, buf, len); | |
1124 | } | |
1125 | ||
1126 | static int fd_chr_read_poll(void *opaque) | |
1127 | { | |
1128 | CharDriverState *chr = opaque; | |
1129 | FDCharDriver *s = chr->opaque; | |
1130 | ||
1131 | s->max_size = s->fd_can_read(s->fd_opaque); | |
1132 | return s->max_size; | |
1133 | } | |
1134 | ||
1135 | static void fd_chr_read(void *opaque) | |
1136 | { | |
1137 | CharDriverState *chr = opaque; | |
1138 | FDCharDriver *s = chr->opaque; | |
1139 | int size, len; | |
1140 | uint8_t buf[1024]; | |
1141 | ||
1142 | len = sizeof(buf); | |
1143 | if (len > s->max_size) | |
1144 | len = s->max_size; | |
1145 | if (len == 0) | |
1146 | return; | |
1147 | size = read(s->fd_in, buf, len); | |
1148 | if (size > 0) { | |
1149 | s->fd_read(s->fd_opaque, buf, size); | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | static void fd_chr_add_read_handler(CharDriverState *chr, | |
1154 | IOCanRWHandler *fd_can_read, | |
1155 | IOReadHandler *fd_read, void *opaque) | |
1156 | { | |
1157 | FDCharDriver *s = chr->opaque; | |
1158 | ||
1159 | if (s->fd_in >= 0) { | |
1160 | s->fd_can_read = fd_can_read; | |
1161 | s->fd_read = fd_read; | |
1162 | s->fd_opaque = opaque; | |
1163 | if (nographic && s->fd_in == 0) { | |
1164 | } else { | |
1165 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
1166 | fd_chr_read, NULL, chr); | |
1167 | } | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | /* open a character device to a unix fd */ | |
1172 | CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1173 | { | |
1174 | CharDriverState *chr; | |
1175 | FDCharDriver *s; | |
1176 | ||
1177 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1178 | if (!chr) | |
1179 | return NULL; | |
1180 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1181 | if (!s) { | |
1182 | free(chr); | |
1183 | return NULL; | |
1184 | } | |
1185 | s->fd_in = fd_in; | |
1186 | s->fd_out = fd_out; | |
1187 | chr->opaque = s; | |
1188 | chr->chr_write = fd_chr_write; | |
1189 | chr->chr_add_read_handler = fd_chr_add_read_handler; | |
1190 | return chr; | |
1191 | } | |
1192 | ||
1193 | CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
1194 | { | |
1195 | int fd_out; | |
1196 | ||
1197 | fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY); | |
1198 | if (fd_out < 0) | |
1199 | return NULL; | |
1200 | return qemu_chr_open_fd(-1, fd_out); | |
1201 | } | |
1202 | ||
1203 | CharDriverState *qemu_chr_open_pipe(const char *filename) | |
1204 | { | |
1205 | int fd; | |
1206 | ||
1207 | fd = open(filename, O_RDWR | O_BINARY); | |
1208 | if (fd < 0) | |
1209 | return NULL; | |
1210 | return qemu_chr_open_fd(fd, fd); | |
1211 | } | |
1212 | ||
1213 | ||
1214 | /* for STDIO, we handle the case where several clients use it | |
1215 | (nographic mode) */ | |
1216 | ||
1217 | #define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ | |
1218 | ||
1219 | #define TERM_FIFO_MAX_SIZE 1 | |
1220 | ||
1221 | static int term_got_escape, client_index; | |
1222 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
1223 | int term_fifo_size; | |
1224 | ||
1225 | void term_print_help(void) | |
1226 | { | |
1227 | printf("\n" | |
1228 | "C-a h print this help\n" | |
1229 | "C-a x exit emulator\n" | |
1230 | "C-a s save disk data back to file (if -snapshot)\n" | |
1231 | "C-a b send break (magic sysrq)\n" | |
1232 | "C-a c switch between console and monitor\n" | |
1233 | "C-a C-a send C-a\n" | |
1234 | ); | |
1235 | } | |
1236 | ||
1237 | /* called when a char is received */ | |
1238 | static void stdio_received_byte(int ch) | |
1239 | { | |
1240 | if (term_got_escape) { | |
1241 | term_got_escape = 0; | |
1242 | switch(ch) { | |
1243 | case 'h': | |
1244 | term_print_help(); | |
1245 | break; | |
1246 | case 'x': | |
1247 | exit(0); | |
1248 | break; | |
1249 | case 's': | |
1250 | { | |
1251 | int i; | |
1252 | for (i = 0; i < MAX_DISKS; i++) { | |
1253 | if (bs_table[i]) | |
1254 | bdrv_commit(bs_table[i]); | |
1255 | } | |
1256 | } | |
1257 | break; | |
1258 | case 'b': | |
1259 | if (client_index < stdio_nb_clients) { | |
1260 | CharDriverState *chr; | |
1261 | FDCharDriver *s; | |
1262 | ||
1263 | chr = stdio_clients[client_index]; | |
1264 | s = chr->opaque; | |
1265 | chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); | |
1266 | } | |
1267 | break; | |
1268 | case 'c': | |
1269 | client_index++; | |
1270 | if (client_index >= stdio_nb_clients) | |
1271 | client_index = 0; | |
1272 | if (client_index == 0) { | |
1273 | /* send a new line in the monitor to get the prompt */ | |
1274 | ch = '\r'; | |
1275 | goto send_char; | |
1276 | } | |
1277 | break; | |
1278 | case TERM_ESCAPE: | |
1279 | goto send_char; | |
1280 | } | |
1281 | } else if (ch == TERM_ESCAPE) { | |
1282 | term_got_escape = 1; | |
1283 | } else { | |
1284 | send_char: | |
1285 | if (client_index < stdio_nb_clients) { | |
1286 | uint8_t buf[1]; | |
1287 | CharDriverState *chr; | |
1288 | FDCharDriver *s; | |
1289 | ||
1290 | chr = stdio_clients[client_index]; | |
1291 | s = chr->opaque; | |
1292 | if (s->fd_can_read(s->fd_opaque) > 0) { | |
1293 | buf[0] = ch; | |
1294 | s->fd_read(s->fd_opaque, buf, 1); | |
1295 | } else if (term_fifo_size == 0) { | |
1296 | term_fifo[term_fifo_size++] = ch; | |
1297 | } | |
1298 | } | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | static int stdio_read_poll(void *opaque) | |
1303 | { | |
1304 | CharDriverState *chr; | |
1305 | FDCharDriver *s; | |
1306 | ||
1307 | if (client_index < stdio_nb_clients) { | |
1308 | chr = stdio_clients[client_index]; | |
1309 | s = chr->opaque; | |
1310 | /* try to flush the queue if needed */ | |
1311 | if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) { | |
1312 | s->fd_read(s->fd_opaque, term_fifo, 1); | |
1313 | term_fifo_size = 0; | |
1314 | } | |
1315 | /* see if we can absorb more chars */ | |
1316 | if (term_fifo_size == 0) | |
1317 | return 1; | |
1318 | else | |
1319 | return 0; | |
1320 | } else { | |
1321 | return 1; | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | static void stdio_read(void *opaque) | |
1326 | { | |
1327 | int size; | |
1328 | uint8_t buf[1]; | |
1329 | ||
1330 | size = read(0, buf, 1); | |
1331 | if (size > 0) | |
1332 | stdio_received_byte(buf[0]); | |
1333 | } | |
1334 | ||
1335 | /* init terminal so that we can grab keys */ | |
1336 | static struct termios oldtty; | |
1337 | static int old_fd0_flags; | |
1338 | ||
1339 | static void term_exit(void) | |
1340 | { | |
1341 | tcsetattr (0, TCSANOW, &oldtty); | |
1342 | fcntl(0, F_SETFL, old_fd0_flags); | |
1343 | } | |
1344 | ||
1345 | static void term_init(void) | |
1346 | { | |
1347 | struct termios tty; | |
1348 | ||
1349 | tcgetattr (0, &tty); | |
1350 | oldtty = tty; | |
1351 | old_fd0_flags = fcntl(0, F_GETFL); | |
1352 | ||
1353 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1354 | |INLCR|IGNCR|ICRNL|IXON); | |
1355 | tty.c_oflag |= OPOST; | |
1356 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1357 | /* if graphical mode, we allow Ctrl-C handling */ | |
1358 | if (nographic) | |
1359 | tty.c_lflag &= ~ISIG; | |
1360 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1361 | tty.c_cflag |= CS8; | |
1362 | tty.c_cc[VMIN] = 1; | |
1363 | tty.c_cc[VTIME] = 0; | |
1364 | ||
1365 | tcsetattr (0, TCSANOW, &tty); | |
1366 | ||
1367 | atexit(term_exit); | |
1368 | ||
1369 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1370 | } | |
1371 | ||
1372 | CharDriverState *qemu_chr_open_stdio(void) | |
1373 | { | |
1374 | CharDriverState *chr; | |
1375 | ||
1376 | if (nographic) { | |
1377 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1378 | return NULL; | |
1379 | chr = qemu_chr_open_fd(0, 1); | |
1380 | if (stdio_nb_clients == 0) | |
1381 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL); | |
1382 | client_index = stdio_nb_clients; | |
1383 | } else { | |
1384 | if (stdio_nb_clients != 0) | |
1385 | return NULL; | |
1386 | chr = qemu_chr_open_fd(0, 1); | |
1387 | } | |
1388 | stdio_clients[stdio_nb_clients++] = chr; | |
1389 | if (stdio_nb_clients == 1) { | |
1390 | /* set the terminal in raw mode */ | |
1391 | term_init(); | |
1392 | } | |
1393 | return chr; | |
1394 | } | |
1395 | ||
1396 | #if defined(__linux__) | |
1397 | CharDriverState *qemu_chr_open_pty(void) | |
1398 | { | |
1399 | char slave_name[1024]; | |
1400 | int master_fd, slave_fd; | |
1401 | ||
1402 | /* Not satisfying */ | |
1403 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1404 | return NULL; | |
1405 | } | |
1406 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1407 | return qemu_chr_open_fd(master_fd, master_fd); | |
1408 | } | |
1409 | ||
1410 | static void tty_serial_init(int fd, int speed, | |
1411 | int parity, int data_bits, int stop_bits) | |
1412 | { | |
1413 | struct termios tty; | |
1414 | speed_t spd; | |
1415 | ||
1416 | #if 0 | |
1417 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1418 | speed, parity, data_bits, stop_bits); | |
1419 | #endif | |
1420 | tcgetattr (fd, &tty); | |
1421 | ||
1422 | switch(speed) { | |
1423 | case 50: | |
1424 | spd = B50; | |
1425 | break; | |
1426 | case 75: | |
1427 | spd = B75; | |
1428 | break; | |
1429 | case 300: | |
1430 | spd = B300; | |
1431 | break; | |
1432 | case 600: | |
1433 | spd = B600; | |
1434 | break; | |
1435 | case 1200: | |
1436 | spd = B1200; | |
1437 | break; | |
1438 | case 2400: | |
1439 | spd = B2400; | |
1440 | break; | |
1441 | case 4800: | |
1442 | spd = B4800; | |
1443 | break; | |
1444 | case 9600: | |
1445 | spd = B9600; | |
1446 | break; | |
1447 | case 19200: | |
1448 | spd = B19200; | |
1449 | break; | |
1450 | case 38400: | |
1451 | spd = B38400; | |
1452 | break; | |
1453 | case 57600: | |
1454 | spd = B57600; | |
1455 | break; | |
1456 | default: | |
1457 | case 115200: | |
1458 | spd = B115200; | |
1459 | break; | |
1460 | } | |
1461 | ||
1462 | cfsetispeed(&tty, spd); | |
1463 | cfsetospeed(&tty, spd); | |
1464 | ||
1465 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1466 | |INLCR|IGNCR|ICRNL|IXON); | |
1467 | tty.c_oflag |= OPOST; | |
1468 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1469 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS); | |
1470 | switch(data_bits) { | |
1471 | default: | |
1472 | case 8: | |
1473 | tty.c_cflag |= CS8; | |
1474 | break; | |
1475 | case 7: | |
1476 | tty.c_cflag |= CS7; | |
1477 | break; | |
1478 | case 6: | |
1479 | tty.c_cflag |= CS6; | |
1480 | break; | |
1481 | case 5: | |
1482 | tty.c_cflag |= CS5; | |
1483 | break; | |
1484 | } | |
1485 | switch(parity) { | |
1486 | default: | |
1487 | case 'N': | |
1488 | break; | |
1489 | case 'E': | |
1490 | tty.c_cflag |= PARENB; | |
1491 | break; | |
1492 | case 'O': | |
1493 | tty.c_cflag |= PARENB | PARODD; | |
1494 | break; | |
1495 | } | |
1496 | ||
1497 | tcsetattr (fd, TCSANOW, &tty); | |
1498 | } | |
1499 | ||
1500 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1501 | { | |
1502 | FDCharDriver *s = chr->opaque; | |
1503 | ||
1504 | switch(cmd) { | |
1505 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1506 | { | |
1507 | QEMUSerialSetParams *ssp = arg; | |
1508 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1509 | ssp->data_bits, ssp->stop_bits); | |
1510 | } | |
1511 | break; | |
1512 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1513 | { | |
1514 | int enable = *(int *)arg; | |
1515 | if (enable) | |
1516 | tcsendbreak(s->fd_in, 1); | |
1517 | } | |
1518 | break; | |
1519 | default: | |
1520 | return -ENOTSUP; | |
1521 | } | |
1522 | return 0; | |
1523 | } | |
1524 | ||
1525 | CharDriverState *qemu_chr_open_tty(const char *filename) | |
1526 | { | |
1527 | CharDriverState *chr; | |
1528 | int fd; | |
1529 | ||
1530 | fd = open(filename, O_RDWR | O_NONBLOCK); | |
1531 | if (fd < 0) | |
1532 | return NULL; | |
1533 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1534 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1535 | chr = qemu_chr_open_fd(fd, fd); | |
1536 | if (!chr) | |
1537 | return NULL; | |
1538 | chr->chr_ioctl = tty_serial_ioctl; | |
1539 | return chr; | |
1540 | } | |
1541 | ||
1542 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1543 | { | |
1544 | int fd = (int)chr->opaque; | |
1545 | uint8_t b; | |
1546 | ||
1547 | switch(cmd) { | |
1548 | case CHR_IOCTL_PP_READ_DATA: | |
1549 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1550 | return -ENOTSUP; | |
1551 | *(uint8_t *)arg = b; | |
1552 | break; | |
1553 | case CHR_IOCTL_PP_WRITE_DATA: | |
1554 | b = *(uint8_t *)arg; | |
1555 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1556 | return -ENOTSUP; | |
1557 | break; | |
1558 | case CHR_IOCTL_PP_READ_CONTROL: | |
1559 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1560 | return -ENOTSUP; | |
1561 | *(uint8_t *)arg = b; | |
1562 | break; | |
1563 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1564 | b = *(uint8_t *)arg; | |
1565 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1566 | return -ENOTSUP; | |
1567 | break; | |
1568 | case CHR_IOCTL_PP_READ_STATUS: | |
1569 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1570 | return -ENOTSUP; | |
1571 | *(uint8_t *)arg = b; | |
1572 | break; | |
1573 | default: | |
1574 | return -ENOTSUP; | |
1575 | } | |
1576 | return 0; | |
1577 | } | |
1578 | ||
1579 | CharDriverState *qemu_chr_open_pp(const char *filename) | |
1580 | { | |
1581 | CharDriverState *chr; | |
1582 | int fd; | |
1583 | ||
1584 | fd = open(filename, O_RDWR); | |
1585 | if (fd < 0) | |
1586 | return NULL; | |
1587 | ||
1588 | if (ioctl(fd, PPCLAIM) < 0) { | |
1589 | close(fd); | |
1590 | return NULL; | |
1591 | } | |
1592 | ||
1593 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1594 | if (!chr) { | |
1595 | close(fd); | |
1596 | return NULL; | |
1597 | } | |
1598 | chr->opaque = (void *)fd; | |
1599 | chr->chr_write = null_chr_write; | |
1600 | chr->chr_add_read_handler = null_chr_add_read_handler; | |
1601 | chr->chr_ioctl = pp_ioctl; | |
1602 | return chr; | |
1603 | } | |
1604 | ||
1605 | #else | |
1606 | CharDriverState *qemu_chr_open_pty(void) | |
1607 | { | |
1608 | return NULL; | |
1609 | } | |
1610 | #endif | |
1611 | ||
1612 | #endif /* !defined(_WIN32) */ | |
1613 | ||
1614 | CharDriverState *qemu_chr_open(const char *filename) | |
1615 | { | |
1616 | const char *p; | |
1617 | if (!strcmp(filename, "vc")) { | |
1618 | return text_console_init(&display_state); | |
1619 | } else if (!strcmp(filename, "null")) { | |
1620 | return qemu_chr_open_null(); | |
1621 | } else | |
1622 | #ifndef _WIN32 | |
1623 | if (strstart(filename, "file:", &p)) { | |
1624 | return qemu_chr_open_file_out(p); | |
1625 | } else if (strstart(filename, "pipe:", &p)) { | |
1626 | return qemu_chr_open_pipe(p); | |
1627 | } else if (!strcmp(filename, "pty")) { | |
1628 | return qemu_chr_open_pty(); | |
1629 | } else if (!strcmp(filename, "stdio")) { | |
1630 | return qemu_chr_open_stdio(); | |
1631 | } else | |
1632 | #endif | |
1633 | #if defined(__linux__) | |
1634 | if (strstart(filename, "/dev/parport", NULL)) { | |
1635 | return qemu_chr_open_pp(filename); | |
1636 | } else | |
1637 | if (strstart(filename, "/dev/", NULL)) { | |
1638 | return qemu_chr_open_tty(filename); | |
1639 | } else | |
1640 | #endif | |
1641 | { | |
1642 | return NULL; | |
1643 | } | |
1644 | } | |
1645 | ||
1646 | /***********************************************************/ | |
1647 | /* network device redirectors */ | |
1648 | ||
1649 | void hex_dump(FILE *f, const uint8_t *buf, int size) | |
1650 | { | |
1651 | int len, i, j, c; | |
1652 | ||
1653 | for(i=0;i<size;i+=16) { | |
1654 | len = size - i; | |
1655 | if (len > 16) | |
1656 | len = 16; | |
1657 | fprintf(f, "%08x ", i); | |
1658 | for(j=0;j<16;j++) { | |
1659 | if (j < len) | |
1660 | fprintf(f, " %02x", buf[i+j]); | |
1661 | else | |
1662 | fprintf(f, " "); | |
1663 | } | |
1664 | fprintf(f, " "); | |
1665 | for(j=0;j<len;j++) { | |
1666 | c = buf[i+j]; | |
1667 | if (c < ' ' || c > '~') | |
1668 | c = '.'; | |
1669 | fprintf(f, "%c", c); | |
1670 | } | |
1671 | fprintf(f, "\n"); | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
1676 | { | |
1677 | int i; | |
1678 | for(i = 0; i < 6; i++) { | |
1679 | macaddr[i] = strtol(p, (char **)&p, 16); | |
1680 | if (i == 5) { | |
1681 | if (*p != '\0') | |
1682 | return -1; | |
1683 | } else { | |
1684 | if (*p != ':') | |
1685 | return -1; | |
1686 | p++; | |
1687 | } | |
1688 | } | |
1689 | return 0; | |
1690 | } | |
1691 | ||
1692 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
1693 | { | |
1694 | const char *p, *p1; | |
1695 | int len; | |
1696 | p = *pp; | |
1697 | p1 = strchr(p, sep); | |
1698 | if (!p1) | |
1699 | return -1; | |
1700 | len = p1 - p; | |
1701 | p1++; | |
1702 | if (buf_size > 0) { | |
1703 | if (len > buf_size - 1) | |
1704 | len = buf_size - 1; | |
1705 | memcpy(buf, p, len); | |
1706 | buf[len] = '\0'; | |
1707 | } | |
1708 | *pp = p1; | |
1709 | return 0; | |
1710 | } | |
1711 | ||
1712 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
1713 | { | |
1714 | char buf[512]; | |
1715 | struct hostent *he; | |
1716 | const char *p, *r; | |
1717 | int port; | |
1718 | ||
1719 | p = str; | |
1720 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1721 | return -1; | |
1722 | saddr->sin_family = AF_INET; | |
1723 | if (buf[0] == '\0') { | |
1724 | saddr->sin_addr.s_addr = 0; | |
1725 | } else { | |
1726 | if (isdigit(buf[0])) { | |
1727 | if (!inet_aton(buf, &saddr->sin_addr)) | |
1728 | return -1; | |
1729 | } else { | |
1730 | #ifdef _WIN32 | |
1731 | return -1; | |
1732 | #else | |
1733 | if ((he = gethostbyname(buf)) == NULL) | |
1734 | return - 1; | |
1735 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
1736 | #endif | |
1737 | } | |
1738 | } | |
1739 | port = strtol(p, (char **)&r, 0); | |
1740 | if (r == p) | |
1741 | return -1; | |
1742 | saddr->sin_port = htons(port); | |
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | /* find or alloc a new VLAN */ | |
1747 | VLANState *qemu_find_vlan(int id) | |
1748 | { | |
1749 | VLANState **pvlan, *vlan; | |
1750 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
1751 | if (vlan->id == id) | |
1752 | return vlan; | |
1753 | } | |
1754 | vlan = qemu_mallocz(sizeof(VLANState)); | |
1755 | if (!vlan) | |
1756 | return NULL; | |
1757 | vlan->id = id; | |
1758 | vlan->next = NULL; | |
1759 | pvlan = &first_vlan; | |
1760 | while (*pvlan != NULL) | |
1761 | pvlan = &(*pvlan)->next; | |
1762 | *pvlan = vlan; | |
1763 | return vlan; | |
1764 | } | |
1765 | ||
1766 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, | |
1767 | IOReadHandler *fd_read, void *opaque) | |
1768 | { | |
1769 | VLANClientState *vc, **pvc; | |
1770 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
1771 | if (!vc) | |
1772 | return NULL; | |
1773 | vc->fd_read = fd_read; | |
1774 | vc->opaque = opaque; | |
1775 | vc->vlan = vlan; | |
1776 | ||
1777 | vc->next = NULL; | |
1778 | pvc = &vlan->first_client; | |
1779 | while (*pvc != NULL) | |
1780 | pvc = &(*pvc)->next; | |
1781 | *pvc = vc; | |
1782 | return vc; | |
1783 | } | |
1784 | ||
1785 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
1786 | { | |
1787 | VLANState *vlan = vc1->vlan; | |
1788 | VLANClientState *vc; | |
1789 | ||
1790 | #if 0 | |
1791 | printf("vlan %d send:\n", vlan->id); | |
1792 | hex_dump(stdout, buf, size); | |
1793 | #endif | |
1794 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
1795 | if (vc != vc1) { | |
1796 | vc->fd_read(vc->opaque, buf, size); | |
1797 | } | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | #if defined(CONFIG_SLIRP) | |
1802 | ||
1803 | /* slirp network adapter */ | |
1804 | ||
1805 | static int slirp_inited; | |
1806 | static VLANClientState *slirp_vc; | |
1807 | ||
1808 | int slirp_can_output(void) | |
1809 | { | |
1810 | return 1; | |
1811 | } | |
1812 | ||
1813 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
1814 | { | |
1815 | #if 0 | |
1816 | printf("slirp output:\n"); | |
1817 | hex_dump(stdout, pkt, pkt_len); | |
1818 | #endif | |
1819 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
1820 | } | |
1821 | ||
1822 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
1823 | { | |
1824 | #if 0 | |
1825 | printf("slirp input:\n"); | |
1826 | hex_dump(stdout, buf, size); | |
1827 | #endif | |
1828 | slirp_input(buf, size); | |
1829 | } | |
1830 | ||
1831 | static int net_slirp_init(VLANState *vlan) | |
1832 | { | |
1833 | if (!slirp_inited) { | |
1834 | slirp_inited = 1; | |
1835 | slirp_init(); | |
1836 | } | |
1837 | slirp_vc = qemu_new_vlan_client(vlan, | |
1838 | slirp_receive, NULL); | |
1839 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); | |
1840 | return 0; | |
1841 | } | |
1842 | ||
1843 | static void net_slirp_redir(const char *redir_str) | |
1844 | { | |
1845 | int is_udp; | |
1846 | char buf[256], *r; | |
1847 | const char *p; | |
1848 | struct in_addr guest_addr; | |
1849 | int host_port, guest_port; | |
1850 | ||
1851 | if (!slirp_inited) { | |
1852 | slirp_inited = 1; | |
1853 | slirp_init(); | |
1854 | } | |
1855 | ||
1856 | p = redir_str; | |
1857 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1858 | goto fail; | |
1859 | if (!strcmp(buf, "tcp")) { | |
1860 | is_udp = 0; | |
1861 | } else if (!strcmp(buf, "udp")) { | |
1862 | is_udp = 1; | |
1863 | } else { | |
1864 | goto fail; | |
1865 | } | |
1866 | ||
1867 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1868 | goto fail; | |
1869 | host_port = strtol(buf, &r, 0); | |
1870 | if (r == buf) | |
1871 | goto fail; | |
1872 | ||
1873 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
1874 | goto fail; | |
1875 | if (buf[0] == '\0') { | |
1876 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
1877 | } | |
1878 | if (!inet_aton(buf, &guest_addr)) | |
1879 | goto fail; | |
1880 | ||
1881 | guest_port = strtol(p, &r, 0); | |
1882 | if (r == p) | |
1883 | goto fail; | |
1884 | ||
1885 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
1886 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
1887 | exit(1); | |
1888 | } | |
1889 | return; | |
1890 | fail: | |
1891 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
1892 | exit(1); | |
1893 | } | |
1894 | ||
1895 | #ifndef _WIN32 | |
1896 | ||
1897 | char smb_dir[1024]; | |
1898 | ||
1899 | static void smb_exit(void) | |
1900 | { | |
1901 | DIR *d; | |
1902 | struct dirent *de; | |
1903 | char filename[1024]; | |
1904 | ||
1905 | /* erase all the files in the directory */ | |
1906 | d = opendir(smb_dir); | |
1907 | for(;;) { | |
1908 | de = readdir(d); | |
1909 | if (!de) | |
1910 | break; | |
1911 | if (strcmp(de->d_name, ".") != 0 && | |
1912 | strcmp(de->d_name, "..") != 0) { | |
1913 | snprintf(filename, sizeof(filename), "%s/%s", | |
1914 | smb_dir, de->d_name); | |
1915 | unlink(filename); | |
1916 | } | |
1917 | } | |
1918 | closedir(d); | |
1919 | rmdir(smb_dir); | |
1920 | } | |
1921 | ||
1922 | /* automatic user mode samba server configuration */ | |
1923 | void net_slirp_smb(const char *exported_dir) | |
1924 | { | |
1925 | char smb_conf[1024]; | |
1926 | char smb_cmdline[1024]; | |
1927 | FILE *f; | |
1928 | ||
1929 | if (!slirp_inited) { | |
1930 | slirp_inited = 1; | |
1931 | slirp_init(); | |
1932 | } | |
1933 | ||
1934 | /* XXX: better tmp dir construction */ | |
1935 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
1936 | if (mkdir(smb_dir, 0700) < 0) { | |
1937 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
1938 | exit(1); | |
1939 | } | |
1940 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
1941 | ||
1942 | f = fopen(smb_conf, "w"); | |
1943 | if (!f) { | |
1944 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
1945 | exit(1); | |
1946 | } | |
1947 | fprintf(f, | |
1948 | "[global]\n" | |
1949 | "private dir=%s\n" | |
1950 | "smb ports=0\n" | |
1951 | "socket address=127.0.0.1\n" | |
1952 | "pid directory=%s\n" | |
1953 | "lock directory=%s\n" | |
1954 | "log file=%s/log.smbd\n" | |
1955 | "smb passwd file=%s/smbpasswd\n" | |
1956 | "security = share\n" | |
1957 | "[qemu]\n" | |
1958 | "path=%s\n" | |
1959 | "read only=no\n" | |
1960 | "guest ok=yes\n", | |
1961 | smb_dir, | |
1962 | smb_dir, | |
1963 | smb_dir, | |
1964 | smb_dir, | |
1965 | smb_dir, | |
1966 | exported_dir | |
1967 | ); | |
1968 | fclose(f); | |
1969 | atexit(smb_exit); | |
1970 | ||
1971 | snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", | |
1972 | smb_conf); | |
1973 | ||
1974 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
1975 | } | |
1976 | ||
1977 | #endif /* !defined(_WIN32) */ | |
1978 | ||
1979 | #endif /* CONFIG_SLIRP */ | |
1980 | ||
1981 | #if !defined(_WIN32) | |
1982 | ||
1983 | typedef struct TAPState { | |
1984 | VLANClientState *vc; | |
1985 | int fd; | |
1986 | } TAPState; | |
1987 | ||
1988 | static void tap_receive(void *opaque, const uint8_t *buf, int size) | |
1989 | { | |
1990 | TAPState *s = opaque; | |
1991 | int ret; | |
1992 | for(;;) { | |
1993 | ret = write(s->fd, buf, size); | |
1994 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
1995 | } else { | |
1996 | break; | |
1997 | } | |
1998 | } | |
1999 | } | |
2000 | ||
2001 | static void tap_send(void *opaque) | |
2002 | { | |
2003 | TAPState *s = opaque; | |
2004 | uint8_t buf[4096]; | |
2005 | int size; | |
2006 | ||
2007 | size = read(s->fd, buf, sizeof(buf)); | |
2008 | if (size > 0) { | |
2009 | qemu_send_packet(s->vc, buf, size); | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | /* fd support */ | |
2014 | ||
2015 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) | |
2016 | { | |
2017 | TAPState *s; | |
2018 | ||
2019 | s = qemu_mallocz(sizeof(TAPState)); | |
2020 | if (!s) | |
2021 | return NULL; | |
2022 | s->fd = fd; | |
2023 | s->vc = qemu_new_vlan_client(vlan, tap_receive, s); | |
2024 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); | |
2025 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); | |
2026 | return s; | |
2027 | } | |
2028 | ||
2029 | #ifdef _BSD | |
2030 | static int tap_open(char *ifname, int ifname_size) | |
2031 | { | |
2032 | int fd; | |
2033 | char *dev; | |
2034 | struct stat s; | |
2035 | ||
2036 | fd = open("/dev/tap", O_RDWR); | |
2037 | if (fd < 0) { | |
2038 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
2039 | return -1; | |
2040 | } | |
2041 | ||
2042 | fstat(fd, &s); | |
2043 | dev = devname(s.st_rdev, S_IFCHR); | |
2044 | pstrcpy(ifname, ifname_size, dev); | |
2045 | ||
2046 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
2047 | return fd; | |
2048 | } | |
2049 | #else | |
2050 | static int tap_open(char *ifname, int ifname_size) | |
2051 | { | |
2052 | struct ifreq ifr; | |
2053 | int fd, ret; | |
2054 | ||
2055 | fd = open("/dev/net/tun", O_RDWR); | |
2056 | if (fd < 0) { | |
2057 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
2058 | return -1; | |
2059 | } | |
2060 | memset(&ifr, 0, sizeof(ifr)); | |
2061 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
2062 | if (ifname[0] != '\0') | |
2063 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
2064 | else | |
2065 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
2066 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
2067 | if (ret != 0) { | |
2068 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
2069 | close(fd); | |
2070 | return -1; | |
2071 | } | |
2072 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
2073 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
2074 | return fd; | |
2075 | } | |
2076 | #endif | |
2077 | ||
2078 | static int net_tap_init(VLANState *vlan, const char *ifname1, | |
2079 | const char *setup_script) | |
2080 | { | |
2081 | TAPState *s; | |
2082 | int pid, status, fd; | |
2083 | char *args[3]; | |
2084 | char **parg; | |
2085 | char ifname[128]; | |
2086 | ||
2087 | if (ifname1 != NULL) | |
2088 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
2089 | else | |
2090 | ifname[0] = '\0'; | |
2091 | fd = tap_open(ifname, sizeof(ifname)); | |
2092 | if (fd < 0) | |
2093 | return -1; | |
2094 | ||
2095 | if (!setup_script) | |
2096 | setup_script = ""; | |
2097 | if (setup_script[0] != '\0') { | |
2098 | /* try to launch network init script */ | |
2099 | pid = fork(); | |
2100 | if (pid >= 0) { | |
2101 | if (pid == 0) { | |
2102 | parg = args; | |
2103 | *parg++ = (char *)setup_script; | |
2104 | *parg++ = ifname; | |
2105 | *parg++ = NULL; | |
2106 | execv(setup_script, args); | |
2107 | _exit(1); | |
2108 | } | |
2109 | while (waitpid(pid, &status, 0) != pid); | |
2110 | if (!WIFEXITED(status) || | |
2111 | WEXITSTATUS(status) != 0) { | |
2112 | fprintf(stderr, "%s: could not launch network script\n", | |
2113 | setup_script); | |
2114 | return -1; | |
2115 | } | |
2116 | } | |
2117 | } | |
2118 | s = net_tap_fd_init(vlan, fd); | |
2119 | if (!s) | |
2120 | return -1; | |
2121 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
2122 | "tap: ifname=%s setup_script=%s", ifname, setup_script); | |
2123 | return 0; | |
2124 | } | |
2125 | ||
2126 | /* network connection */ | |
2127 | typedef struct NetSocketState { | |
2128 | VLANClientState *vc; | |
2129 | int fd; | |
2130 | int state; /* 0 = getting length, 1 = getting data */ | |
2131 | int index; | |
2132 | int packet_len; | |
2133 | uint8_t buf[4096]; | |
2134 | } NetSocketState; | |
2135 | ||
2136 | typedef struct NetSocketListenState { | |
2137 | VLANState *vlan; | |
2138 | int fd; | |
2139 | } NetSocketListenState; | |
2140 | ||
2141 | /* XXX: we consider we can send the whole packet without blocking */ | |
2142 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
2143 | { | |
2144 | NetSocketState *s = opaque; | |
2145 | uint32_t len; | |
2146 | len = htonl(size); | |
2147 | ||
2148 | unix_write(s->fd, (const uint8_t *)&len, sizeof(len)); | |
2149 | unix_write(s->fd, buf, size); | |
2150 | } | |
2151 | ||
2152 | static void net_socket_send(void *opaque) | |
2153 | { | |
2154 | NetSocketState *s = opaque; | |
2155 | int l, size; | |
2156 | uint8_t buf1[4096]; | |
2157 | const uint8_t *buf; | |
2158 | ||
2159 | size = read(s->fd, buf1, sizeof(buf1)); | |
2160 | if (size < 0) | |
2161 | return; | |
2162 | if (size == 0) { | |
2163 | /* end of connection */ | |
2164 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2165 | return; | |
2166 | } | |
2167 | buf = buf1; | |
2168 | while (size > 0) { | |
2169 | /* reassemble a packet from the network */ | |
2170 | switch(s->state) { | |
2171 | case 0: | |
2172 | l = 4 - s->index; | |
2173 | if (l > size) | |
2174 | l = size; | |
2175 | memcpy(s->buf + s->index, buf, l); | |
2176 | buf += l; | |
2177 | size -= l; | |
2178 | s->index += l; | |
2179 | if (s->index == 4) { | |
2180 | /* got length */ | |
2181 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
2182 | s->index = 0; | |
2183 | s->state = 1; | |
2184 | } | |
2185 | break; | |
2186 | case 1: | |
2187 | l = s->packet_len - s->index; | |
2188 | if (l > size) | |
2189 | l = size; | |
2190 | memcpy(s->buf + s->index, buf, l); | |
2191 | s->index += l; | |
2192 | buf += l; | |
2193 | size -= l; | |
2194 | if (s->index >= s->packet_len) { | |
2195 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
2196 | s->index = 0; | |
2197 | s->state = 0; | |
2198 | } | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
2204 | static void net_socket_connect(void *opaque) | |
2205 | { | |
2206 | NetSocketState *s = opaque; | |
2207 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
2208 | } | |
2209 | ||
2210 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, | |
2211 | int is_connected) | |
2212 | { | |
2213 | NetSocketState *s; | |
2214 | s = qemu_mallocz(sizeof(NetSocketState)); | |
2215 | if (!s) | |
2216 | return NULL; | |
2217 | s->fd = fd; | |
2218 | s->vc = qemu_new_vlan_client(vlan, | |
2219 | net_socket_receive, s); | |
2220 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
2221 | "socket: fd=%d", fd); | |
2222 | if (is_connected) { | |
2223 | net_socket_connect(s); | |
2224 | } else { | |
2225 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
2226 | } | |
2227 | return s; | |
2228 | } | |
2229 | ||
2230 | static void net_socket_accept(void *opaque) | |
2231 | { | |
2232 | NetSocketListenState *s = opaque; | |
2233 | NetSocketState *s1; | |
2234 | struct sockaddr_in saddr; | |
2235 | socklen_t len; | |
2236 | int fd; | |
2237 | ||
2238 | for(;;) { | |
2239 | len = sizeof(saddr); | |
2240 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
2241 | if (fd < 0 && errno != EINTR) { | |
2242 | return; | |
2243 | } else if (fd >= 0) { | |
2244 | break; | |
2245 | } | |
2246 | } | |
2247 | s1 = net_socket_fd_init(s->vlan, fd, 1); | |
2248 | if (!s1) { | |
2249 | close(fd); | |
2250 | } else { | |
2251 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
2252 | "socket: connection from %s:%d", | |
2253 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) | |
2258 | { | |
2259 | NetSocketListenState *s; | |
2260 | int fd, val, ret; | |
2261 | struct sockaddr_in saddr; | |
2262 | ||
2263 | if (parse_host_port(&saddr, host_str) < 0) | |
2264 | return -1; | |
2265 | ||
2266 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
2267 | if (!s) | |
2268 | return -1; | |
2269 | ||
2270 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
2271 | if (fd < 0) { | |
2272 | perror("socket"); | |
2273 | return -1; | |
2274 | } | |
2275 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
2276 | ||
2277 | /* allow fast reuse */ | |
2278 | val = 1; | |
2279 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val)); | |
2280 | ||
2281 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
2282 | if (ret < 0) { | |
2283 | perror("bind"); | |
2284 | return -1; | |
2285 | } | |
2286 | ret = listen(fd, 0); | |
2287 | if (ret < 0) { | |
2288 | perror("listen"); | |
2289 | return -1; | |
2290 | } | |
2291 | s->vlan = vlan; | |
2292 | s->fd = fd; | |
2293 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
2294 | return 0; | |
2295 | } | |
2296 | ||
2297 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) | |
2298 | { | |
2299 | NetSocketState *s; | |
2300 | int fd, connected, ret; | |
2301 | struct sockaddr_in saddr; | |
2302 | ||
2303 | if (parse_host_port(&saddr, host_str) < 0) | |
2304 | return -1; | |
2305 | ||
2306 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
2307 | if (fd < 0) { | |
2308 | perror("socket"); | |
2309 | return -1; | |
2310 | } | |
2311 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
2312 | ||
2313 | connected = 0; | |
2314 | for(;;) { | |
2315 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
2316 | if (ret < 0) { | |
2317 | if (errno == EINTR || errno == EAGAIN) { | |
2318 | } else if (errno == EINPROGRESS) { | |
2319 | break; | |
2320 | } else { | |
2321 | perror("connect"); | |
2322 | close(fd); | |
2323 | return -1; | |
2324 | } | |
2325 | } else { | |
2326 | connected = 1; | |
2327 | break; | |
2328 | } | |
2329 | } | |
2330 | s = net_socket_fd_init(vlan, fd, connected); | |
2331 | if (!s) | |
2332 | return -1; | |
2333 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
2334 | "socket: connect to %s:%d", | |
2335 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
2336 | return 0; | |
2337 | } | |
2338 | ||
2339 | #endif /* !_WIN32 */ | |
2340 | ||
2341 | static int get_param_value(char *buf, int buf_size, | |
2342 | const char *tag, const char *str) | |
2343 | { | |
2344 | const char *p; | |
2345 | char *q; | |
2346 | char option[128]; | |
2347 | ||
2348 | p = str; | |
2349 | for(;;) { | |
2350 | q = option; | |
2351 | while (*p != '\0' && *p != '=') { | |
2352 | if ((q - option) < sizeof(option) - 1) | |
2353 | *q++ = *p; | |
2354 | p++; | |
2355 | } | |
2356 | *q = '\0'; | |
2357 | if (*p != '=') | |
2358 | break; | |
2359 | p++; | |
2360 | if (!strcmp(tag, option)) { | |
2361 | q = buf; | |
2362 | while (*p != '\0' && *p != ',') { | |
2363 | if ((q - buf) < buf_size - 1) | |
2364 | *q++ = *p; | |
2365 | p++; | |
2366 | } | |
2367 | *q = '\0'; | |
2368 | return q - buf; | |
2369 | } else { | |
2370 | while (*p != '\0' && *p != ',') { | |
2371 | p++; | |
2372 | } | |
2373 | } | |
2374 | if (*p != ',') | |
2375 | break; | |
2376 | p++; | |
2377 | } | |
2378 | return 0; | |
2379 | } | |
2380 | ||
2381 | int net_client_init(const char *str) | |
2382 | { | |
2383 | const char *p; | |
2384 | char *q; | |
2385 | char device[64]; | |
2386 | char buf[1024]; | |
2387 | int vlan_id, ret; | |
2388 | VLANState *vlan; | |
2389 | ||
2390 | p = str; | |
2391 | q = device; | |
2392 | while (*p != '\0' && *p != ',') { | |
2393 | if ((q - device) < sizeof(device) - 1) | |
2394 | *q++ = *p; | |
2395 | p++; | |
2396 | } | |
2397 | *q = '\0'; | |
2398 | if (*p == ',') | |
2399 | p++; | |
2400 | vlan_id = 0; | |
2401 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
2402 | vlan_id = strtol(buf, NULL, 0); | |
2403 | } | |
2404 | vlan = qemu_find_vlan(vlan_id); | |
2405 | if (!vlan) { | |
2406 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); | |
2407 | return -1; | |
2408 | } | |
2409 | if (!strcmp(device, "nic")) { | |
2410 | NICInfo *nd; | |
2411 | uint8_t *macaddr; | |
2412 | ||
2413 | if (nb_nics >= MAX_NICS) { | |
2414 | fprintf(stderr, "Too Many NICs\n"); | |
2415 | return -1; | |
2416 | } | |
2417 | nd = &nd_table[nb_nics]; | |
2418 | macaddr = nd->macaddr; | |
2419 | macaddr[0] = 0x52; | |
2420 | macaddr[1] = 0x54; | |
2421 | macaddr[2] = 0x00; | |
2422 | macaddr[3] = 0x12; | |
2423 | macaddr[4] = 0x34; | |
2424 | macaddr[5] = 0x56 + nb_nics; | |
2425 | ||
2426 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
2427 | if (parse_macaddr(macaddr, buf) < 0) { | |
2428 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
2429 | return -1; | |
2430 | } | |
2431 | } | |
2432 | nd->vlan = vlan; | |
2433 | nb_nics++; | |
2434 | ret = 0; | |
2435 | } else | |
2436 | if (!strcmp(device, "none")) { | |
2437 | /* does nothing. It is needed to signal that no network cards | |
2438 | are wanted */ | |
2439 | ret = 0; | |
2440 | } else | |
2441 | #ifdef CONFIG_SLIRP | |
2442 | if (!strcmp(device, "user")) { | |
2443 | ret = net_slirp_init(vlan); | |
2444 | } else | |
2445 | #endif | |
2446 | #ifndef _WIN32 | |
2447 | if (!strcmp(device, "tap")) { | |
2448 | char ifname[64]; | |
2449 | char setup_script[1024]; | |
2450 | int fd; | |
2451 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
2452 | fd = strtol(buf, NULL, 0); | |
2453 | ret = -1; | |
2454 | if (net_tap_fd_init(vlan, fd)) | |
2455 | ret = 0; | |
2456 | } else { | |
2457 | get_param_value(ifname, sizeof(ifname), "ifname", p); | |
2458 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
2459 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
2460 | } | |
2461 | ret = net_tap_init(vlan, ifname, setup_script); | |
2462 | } | |
2463 | } else | |
2464 | if (!strcmp(device, "socket")) { | |
2465 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
2466 | int fd; | |
2467 | fd = strtol(buf, NULL, 0); | |
2468 | ret = -1; | |
2469 | if (net_socket_fd_init(vlan, fd, 1)) | |
2470 | ret = 0; | |
2471 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
2472 | ret = net_socket_listen_init(vlan, buf); | |
2473 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { | |
2474 | ret = net_socket_connect_init(vlan, buf); | |
2475 | } else { | |
2476 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
2477 | return -1; | |
2478 | } | |
2479 | } else | |
2480 | #endif | |
2481 | { | |
2482 | fprintf(stderr, "Unknown network device: %s\n", device); | |
2483 | return -1; | |
2484 | } | |
2485 | if (ret < 0) { | |
2486 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
2487 | } | |
2488 | ||
2489 | return ret; | |
2490 | } | |
2491 | ||
2492 | void do_info_network(void) | |
2493 | { | |
2494 | VLANState *vlan; | |
2495 | VLANClientState *vc; | |
2496 | ||
2497 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
2498 | term_printf("VLAN %d devices:\n", vlan->id); | |
2499 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
2500 | term_printf(" %s\n", vc->info_str); | |
2501 | } | |
2502 | } | |
2503 | ||
2504 | /***********************************************************/ | |
2505 | /* USB devices */ | |
2506 | ||
2507 | static int usb_device_add(const char *devname) | |
2508 | { | |
2509 | const char *p; | |
2510 | USBDevice *dev; | |
2511 | int i; | |
2512 | ||
2513 | if (!vm_usb_hub) | |
2514 | return -1; | |
2515 | for(i = 0;i < MAX_VM_USB_PORTS; i++) { | |
2516 | if (!vm_usb_ports[i]->dev) | |
2517 | break; | |
2518 | } | |
2519 | if (i == MAX_VM_USB_PORTS) | |
2520 | return -1; | |
2521 | ||
2522 | if (strstart(devname, "host:", &p)) { | |
2523 | dev = usb_host_device_open(p); | |
2524 | if (!dev) | |
2525 | return -1; | |
2526 | } else if (!strcmp(devname, "mouse")) { | |
2527 | dev = usb_mouse_init(); | |
2528 | if (!dev) | |
2529 | return -1; | |
2530 | } else { | |
2531 | return -1; | |
2532 | } | |
2533 | usb_attach(vm_usb_ports[i], dev); | |
2534 | return 0; | |
2535 | } | |
2536 | ||
2537 | static int usb_device_del(const char *devname) | |
2538 | { | |
2539 | USBDevice *dev; | |
2540 | int bus_num, addr, i; | |
2541 | const char *p; | |
2542 | ||
2543 | if (!vm_usb_hub) | |
2544 | return -1; | |
2545 | ||
2546 | p = strchr(devname, '.'); | |
2547 | if (!p) | |
2548 | return -1; | |
2549 | bus_num = strtoul(devname, NULL, 0); | |
2550 | addr = strtoul(p + 1, NULL, 0); | |
2551 | if (bus_num != 0) | |
2552 | return -1; | |
2553 | for(i = 0;i < MAX_VM_USB_PORTS; i++) { | |
2554 | dev = vm_usb_ports[i]->dev; | |
2555 | if (dev && dev->addr == addr) | |
2556 | break; | |
2557 | } | |
2558 | if (i == MAX_VM_USB_PORTS) | |
2559 | return -1; | |
2560 | usb_attach(vm_usb_ports[i], NULL); | |
2561 | return 0; | |
2562 | } | |
2563 | ||
2564 | void do_usb_add(const char *devname) | |
2565 | { | |
2566 | int ret; | |
2567 | ret = usb_device_add(devname); | |
2568 | if (ret < 0) | |
2569 | term_printf("Could not add USB device '%s'\n", devname); | |
2570 | } | |
2571 | ||
2572 | void do_usb_del(const char *devname) | |
2573 | { | |
2574 | int ret; | |
2575 | ret = usb_device_del(devname); | |
2576 | if (ret < 0) | |
2577 | term_printf("Could not remove USB device '%s'\n", devname); | |
2578 | } | |
2579 | ||
2580 | void usb_info(void) | |
2581 | { | |
2582 | USBDevice *dev; | |
2583 | int i; | |
2584 | const char *speed_str; | |
2585 | ||
2586 | if (!vm_usb_hub) { | |
2587 | term_printf("USB support not enabled\n"); | |
2588 | return; | |
2589 | } | |
2590 | ||
2591 | for(i = 0; i < MAX_VM_USB_PORTS; i++) { | |
2592 | dev = vm_usb_ports[i]->dev; | |
2593 | if (dev) { | |
2594 | term_printf("Hub port %d:\n", i); | |
2595 | switch(dev->speed) { | |
2596 | case USB_SPEED_LOW: | |
2597 | speed_str = "1.5"; | |
2598 | break; | |
2599 | case USB_SPEED_FULL: | |
2600 | speed_str = "12"; | |
2601 | break; | |
2602 | case USB_SPEED_HIGH: | |
2603 | speed_str = "480"; | |
2604 | break; | |
2605 | default: | |
2606 | speed_str = "?"; | |
2607 | break; | |
2608 | } | |
2609 | term_printf(" Device %d.%d, speed %s Mb/s\n", | |
2610 | 0, dev->addr, speed_str); | |
2611 | } | |
2612 | } | |
2613 | } | |
2614 | ||
2615 | /***********************************************************/ | |
2616 | /* pid file */ | |
2617 | ||
2618 | static char *pid_filename; | |
2619 | ||
2620 | /* Remove PID file. Called on normal exit */ | |
2621 | ||
2622 | static void remove_pidfile(void) | |
2623 | { | |
2624 | unlink (pid_filename); | |
2625 | } | |
2626 | ||
2627 | static void create_pidfile(const char *filename) | |
2628 | { | |
2629 | struct stat pidstat; | |
2630 | FILE *f; | |
2631 | ||
2632 | /* Try to write our PID to the named file */ | |
2633 | if (stat(filename, &pidstat) < 0) { | |
2634 | if (errno == ENOENT) { | |
2635 | if ((f = fopen (filename, "w")) == NULL) { | |
2636 | perror("Opening pidfile"); | |
2637 | exit(1); | |
2638 | } | |
2639 | fprintf(f, "%d\n", getpid()); | |
2640 | fclose(f); | |
2641 | pid_filename = qemu_strdup(filename); | |
2642 | if (!pid_filename) { | |
2643 | fprintf(stderr, "Could not save PID filename"); | |
2644 | exit(1); | |
2645 | } | |
2646 | atexit(remove_pidfile); | |
2647 | } | |
2648 | } else { | |
2649 | fprintf(stderr, "%s already exists. Remove it and try again.\n", | |
2650 | filename); | |
2651 | exit(1); | |
2652 | } | |
2653 | } | |
2654 | ||
2655 | /***********************************************************/ | |
2656 | /* dumb display */ | |
2657 | ||
2658 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
2659 | { | |
2660 | } | |
2661 | ||
2662 | static void dumb_resize(DisplayState *ds, int w, int h) | |
2663 | { | |
2664 | } | |
2665 | ||
2666 | static void dumb_refresh(DisplayState *ds) | |
2667 | { | |
2668 | vga_update_display(); | |
2669 | } | |
2670 | ||
2671 | void dumb_display_init(DisplayState *ds) | |
2672 | { | |
2673 | ds->data = NULL; | |
2674 | ds->linesize = 0; | |
2675 | ds->depth = 0; | |
2676 | ds->dpy_update = dumb_update; | |
2677 | ds->dpy_resize = dumb_resize; | |
2678 | ds->dpy_refresh = dumb_refresh; | |
2679 | } | |
2680 | ||
2681 | #if !defined(CONFIG_SOFTMMU) | |
2682 | /***********************************************************/ | |
2683 | /* cpu signal handler */ | |
2684 | static void host_segv_handler(int host_signum, siginfo_t *info, | |
2685 | void *puc) | |
2686 | { | |
2687 | if (cpu_signal_handler(host_signum, info, puc)) | |
2688 | return; | |
2689 | if (stdio_nb_clients > 0) | |
2690 | term_exit(); | |
2691 | abort(); | |
2692 | } | |
2693 | #endif | |
2694 | ||
2695 | /***********************************************************/ | |
2696 | /* I/O handling */ | |
2697 | ||
2698 | #define MAX_IO_HANDLERS 64 | |
2699 | ||
2700 | typedef struct IOHandlerRecord { | |
2701 | int fd; | |
2702 | IOCanRWHandler *fd_read_poll; | |
2703 | IOHandler *fd_read; | |
2704 | IOHandler *fd_write; | |
2705 | void *opaque; | |
2706 | /* temporary data */ | |
2707 | struct pollfd *ufd; | |
2708 | struct IOHandlerRecord *next; | |
2709 | } IOHandlerRecord; | |
2710 | ||
2711 | static IOHandlerRecord *first_io_handler; | |
2712 | ||
2713 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
2714 | necessary in the character devices to suppress fd_can_read(). */ | |
2715 | int qemu_set_fd_handler2(int fd, | |
2716 | IOCanRWHandler *fd_read_poll, | |
2717 | IOHandler *fd_read, | |
2718 | IOHandler *fd_write, | |
2719 | void *opaque) | |
2720 | { | |
2721 | IOHandlerRecord **pioh, *ioh; | |
2722 | ||
2723 | if (!fd_read && !fd_write) { | |
2724 | pioh = &first_io_handler; | |
2725 | for(;;) { | |
2726 | ioh = *pioh; | |
2727 | if (ioh == NULL) | |
2728 | break; | |
2729 | if (ioh->fd == fd) { | |
2730 | *pioh = ioh->next; | |
2731 | break; | |
2732 | } | |
2733 | pioh = &ioh->next; | |
2734 | } | |
2735 | } else { | |
2736 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2737 | if (ioh->fd == fd) | |
2738 | goto found; | |
2739 | } | |
2740 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
2741 | if (!ioh) | |
2742 | return -1; | |
2743 | ioh->next = first_io_handler; | |
2744 | first_io_handler = ioh; | |
2745 | found: | |
2746 | ioh->fd = fd; | |
2747 | ioh->fd_read_poll = fd_read_poll; | |
2748 | ioh->fd_read = fd_read; | |
2749 | ioh->fd_write = fd_write; | |
2750 | ioh->opaque = opaque; | |
2751 | } | |
2752 | return 0; | |
2753 | } | |
2754 | ||
2755 | int qemu_set_fd_handler(int fd, | |
2756 | IOHandler *fd_read, | |
2757 | IOHandler *fd_write, | |
2758 | void *opaque) | |
2759 | { | |
2760 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
2761 | } | |
2762 | ||
2763 | /***********************************************************/ | |
2764 | /* savevm/loadvm support */ | |
2765 | ||
2766 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
2767 | { | |
2768 | fwrite(buf, 1, size, f); | |
2769 | } | |
2770 | ||
2771 | void qemu_put_byte(QEMUFile *f, int v) | |
2772 | { | |
2773 | fputc(v, f); | |
2774 | } | |
2775 | ||
2776 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
2777 | { | |
2778 | qemu_put_byte(f, v >> 8); | |
2779 | qemu_put_byte(f, v); | |
2780 | } | |
2781 | ||
2782 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
2783 | { | |
2784 | qemu_put_byte(f, v >> 24); | |
2785 | qemu_put_byte(f, v >> 16); | |
2786 | qemu_put_byte(f, v >> 8); | |
2787 | qemu_put_byte(f, v); | |
2788 | } | |
2789 | ||
2790 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
2791 | { | |
2792 | qemu_put_be32(f, v >> 32); | |
2793 | qemu_put_be32(f, v); | |
2794 | } | |
2795 | ||
2796 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) | |
2797 | { | |
2798 | return fread(buf, 1, size, f); | |
2799 | } | |
2800 | ||
2801 | int qemu_get_byte(QEMUFile *f) | |
2802 | { | |
2803 | int v; | |
2804 | v = fgetc(f); | |
2805 | if (v == EOF) | |
2806 | return 0; | |
2807 | else | |
2808 | return v; | |
2809 | } | |
2810 | ||
2811 | unsigned int qemu_get_be16(QEMUFile *f) | |
2812 | { | |
2813 | unsigned int v; | |
2814 | v = qemu_get_byte(f) << 8; | |
2815 | v |= qemu_get_byte(f); | |
2816 | return v; | |
2817 | } | |
2818 | ||
2819 | unsigned int qemu_get_be32(QEMUFile *f) | |
2820 | { | |
2821 | unsigned int v; | |
2822 | v = qemu_get_byte(f) << 24; | |
2823 | v |= qemu_get_byte(f) << 16; | |
2824 | v |= qemu_get_byte(f) << 8; | |
2825 | v |= qemu_get_byte(f); | |
2826 | return v; | |
2827 | } | |
2828 | ||
2829 | uint64_t qemu_get_be64(QEMUFile *f) | |
2830 | { | |
2831 | uint64_t v; | |
2832 | v = (uint64_t)qemu_get_be32(f) << 32; | |
2833 | v |= qemu_get_be32(f); | |
2834 | return v; | |
2835 | } | |
2836 | ||
2837 | int64_t qemu_ftell(QEMUFile *f) | |
2838 | { | |
2839 | return ftell(f); | |
2840 | } | |
2841 | ||
2842 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
2843 | { | |
2844 | if (fseek(f, pos, whence) < 0) | |
2845 | return -1; | |
2846 | return ftell(f); | |
2847 | } | |
2848 | ||
2849 | typedef struct SaveStateEntry { | |
2850 | char idstr[256]; | |
2851 | int instance_id; | |
2852 | int version_id; | |
2853 | SaveStateHandler *save_state; | |
2854 | LoadStateHandler *load_state; | |
2855 | void *opaque; | |
2856 | struct SaveStateEntry *next; | |
2857 | } SaveStateEntry; | |
2858 | ||
2859 | static SaveStateEntry *first_se; | |
2860 | ||
2861 | int register_savevm(const char *idstr, | |
2862 | int instance_id, | |
2863 | int version_id, | |
2864 | SaveStateHandler *save_state, | |
2865 | LoadStateHandler *load_state, | |
2866 | void *opaque) | |
2867 | { | |
2868 | SaveStateEntry *se, **pse; | |
2869 | ||
2870 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
2871 | if (!se) | |
2872 | return -1; | |
2873 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
2874 | se->instance_id = instance_id; | |
2875 | se->version_id = version_id; | |
2876 | se->save_state = save_state; | |
2877 | se->load_state = load_state; | |
2878 | se->opaque = opaque; | |
2879 | se->next = NULL; | |
2880 | ||
2881 | /* add at the end of list */ | |
2882 | pse = &first_se; | |
2883 | while (*pse != NULL) | |
2884 | pse = &(*pse)->next; | |
2885 | *pse = se; | |
2886 | return 0; | |
2887 | } | |
2888 | ||
2889 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
2890 | #define QEMU_VM_FILE_VERSION 0x00000001 | |
2891 | ||
2892 | int qemu_savevm(const char *filename) | |
2893 | { | |
2894 | SaveStateEntry *se; | |
2895 | QEMUFile *f; | |
2896 | int len, len_pos, cur_pos, saved_vm_running, ret; | |
2897 | ||
2898 | saved_vm_running = vm_running; | |
2899 | vm_stop(0); | |
2900 | ||
2901 | f = fopen(filename, "wb"); | |
2902 | if (!f) { | |
2903 | ret = -1; | |
2904 | goto the_end; | |
2905 | } | |
2906 | ||
2907 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
2908 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
2909 | ||
2910 | for(se = first_se; se != NULL; se = se->next) { | |
2911 | /* ID string */ | |
2912 | len = strlen(se->idstr); | |
2913 | qemu_put_byte(f, len); | |
2914 | qemu_put_buffer(f, se->idstr, len); | |
2915 | ||
2916 | qemu_put_be32(f, se->instance_id); | |
2917 | qemu_put_be32(f, se->version_id); | |
2918 | ||
2919 | /* record size: filled later */ | |
2920 | len_pos = ftell(f); | |
2921 | qemu_put_be32(f, 0); | |
2922 | ||
2923 | se->save_state(f, se->opaque); | |
2924 | ||
2925 | /* fill record size */ | |
2926 | cur_pos = ftell(f); | |
2927 | len = ftell(f) - len_pos - 4; | |
2928 | fseek(f, len_pos, SEEK_SET); | |
2929 | qemu_put_be32(f, len); | |
2930 | fseek(f, cur_pos, SEEK_SET); | |
2931 | } | |
2932 | ||
2933 | fclose(f); | |
2934 | ret = 0; | |
2935 | the_end: | |
2936 | if (saved_vm_running) | |
2937 | vm_start(); | |
2938 | return ret; | |
2939 | } | |
2940 | ||
2941 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
2942 | { | |
2943 | SaveStateEntry *se; | |
2944 | ||
2945 | for(se = first_se; se != NULL; se = se->next) { | |
2946 | if (!strcmp(se->idstr, idstr) && | |
2947 | instance_id == se->instance_id) | |
2948 | return se; | |
2949 | } | |
2950 | return NULL; | |
2951 | } | |
2952 | ||
2953 | int qemu_loadvm(const char *filename) | |
2954 | { | |
2955 | SaveStateEntry *se; | |
2956 | QEMUFile *f; | |
2957 | int len, cur_pos, ret, instance_id, record_len, version_id; | |
2958 | int saved_vm_running; | |
2959 | unsigned int v; | |
2960 | char idstr[256]; | |
2961 | ||
2962 | saved_vm_running = vm_running; | |
2963 | vm_stop(0); | |
2964 | ||
2965 | f = fopen(filename, "rb"); | |
2966 | if (!f) { | |
2967 | ret = -1; | |
2968 | goto the_end; | |
2969 | } | |
2970 | ||
2971 | v = qemu_get_be32(f); | |
2972 | if (v != QEMU_VM_FILE_MAGIC) | |
2973 | goto fail; | |
2974 | v = qemu_get_be32(f); | |
2975 | if (v != QEMU_VM_FILE_VERSION) { | |
2976 | fail: | |
2977 | fclose(f); | |
2978 | ret = -1; | |
2979 | goto the_end; | |
2980 | } | |
2981 | for(;;) { | |
2982 | len = qemu_get_byte(f); | |
2983 | if (feof(f)) | |
2984 | break; | |
2985 | qemu_get_buffer(f, idstr, len); | |
2986 | idstr[len] = '\0'; | |
2987 | instance_id = qemu_get_be32(f); | |
2988 | version_id = qemu_get_be32(f); | |
2989 | record_len = qemu_get_be32(f); | |
2990 | #if 0 | |
2991 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
2992 | idstr, instance_id, version_id, record_len); | |
2993 | #endif | |
2994 | cur_pos = ftell(f); | |
2995 | se = find_se(idstr, instance_id); | |
2996 | if (!se) { | |
2997 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
2998 | instance_id, idstr); | |
2999 | } else { | |
3000 | ret = se->load_state(f, se->opaque, version_id); | |
3001 | if (ret < 0) { | |
3002 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
3003 | instance_id, idstr); | |
3004 | } | |
3005 | } | |
3006 | /* always seek to exact end of record */ | |
3007 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
3008 | } | |
3009 | fclose(f); | |
3010 | ret = 0; | |
3011 | the_end: | |
3012 | if (saved_vm_running) | |
3013 | vm_start(); | |
3014 | return ret; | |
3015 | } | |
3016 | ||
3017 | /***********************************************************/ | |
3018 | /* cpu save/restore */ | |
3019 | ||
3020 | #if defined(TARGET_I386) | |
3021 | ||
3022 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
3023 | { | |
3024 | qemu_put_be32(f, dt->selector); | |
3025 | qemu_put_betl(f, dt->base); | |
3026 | qemu_put_be32(f, dt->limit); | |
3027 | qemu_put_be32(f, dt->flags); | |
3028 | } | |
3029 | ||
3030 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
3031 | { | |
3032 | dt->selector = qemu_get_be32(f); | |
3033 | dt->base = qemu_get_betl(f); | |
3034 | dt->limit = qemu_get_be32(f); | |
3035 | dt->flags = qemu_get_be32(f); | |
3036 | } | |
3037 | ||
3038 | void cpu_save(QEMUFile *f, void *opaque) | |
3039 | { | |
3040 | CPUState *env = opaque; | |
3041 | uint16_t fptag, fpus, fpuc, fpregs_format; | |
3042 | uint32_t hflags; | |
3043 | int i; | |
3044 | ||
3045 | for(i = 0; i < CPU_NB_REGS; i++) | |
3046 | qemu_put_betls(f, &env->regs[i]); | |
3047 | qemu_put_betls(f, &env->eip); | |
3048 | qemu_put_betls(f, &env->eflags); | |
3049 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
3050 | qemu_put_be32s(f, &hflags); | |
3051 | ||
3052 | /* FPU */ | |
3053 | fpuc = env->fpuc; | |
3054 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
3055 | fptag = 0; | |
3056 | for(i = 0; i < 8; i++) { | |
3057 | fptag |= ((!env->fptags[i]) << i); | |
3058 | } | |
3059 | ||
3060 | qemu_put_be16s(f, &fpuc); | |
3061 | qemu_put_be16s(f, &fpus); | |
3062 | qemu_put_be16s(f, &fptag); | |
3063 | ||
3064 | #ifdef USE_X86LDOUBLE | |
3065 | fpregs_format = 0; | |
3066 | #else | |
3067 | fpregs_format = 1; | |
3068 | #endif | |
3069 | qemu_put_be16s(f, &fpregs_format); | |
3070 | ||
3071 | for(i = 0; i < 8; i++) { | |
3072 | #ifdef USE_X86LDOUBLE | |
3073 | { | |
3074 | uint64_t mant; | |
3075 | uint16_t exp; | |
3076 | /* we save the real CPU data (in case of MMX usage only 'mant' | |
3077 | contains the MMX register */ | |
3078 | cpu_get_fp80(&mant, &exp, env->fpregs[i].d); | |
3079 | qemu_put_be64(f, mant); | |
3080 | qemu_put_be16(f, exp); | |
3081 | } | |
3082 | #else | |
3083 | /* if we use doubles for float emulation, we save the doubles to | |
3084 | avoid losing information in case of MMX usage. It can give | |
3085 | problems if the image is restored on a CPU where long | |
3086 | doubles are used instead. */ | |
3087 | qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0)); | |
3088 | #endif | |
3089 | } | |
3090 | ||
3091 | for(i = 0; i < 6; i++) | |
3092 | cpu_put_seg(f, &env->segs[i]); | |
3093 | cpu_put_seg(f, &env->ldt); | |
3094 | cpu_put_seg(f, &env->tr); | |
3095 | cpu_put_seg(f, &env->gdt); | |
3096 | cpu_put_seg(f, &env->idt); | |
3097 | ||
3098 | qemu_put_be32s(f, &env->sysenter_cs); | |
3099 | qemu_put_be32s(f, &env->sysenter_esp); | |
3100 | qemu_put_be32s(f, &env->sysenter_eip); | |
3101 | ||
3102 | qemu_put_betls(f, &env->cr[0]); | |
3103 | qemu_put_betls(f, &env->cr[2]); | |
3104 | qemu_put_betls(f, &env->cr[3]); | |
3105 | qemu_put_betls(f, &env->cr[4]); | |
3106 | ||
3107 | for(i = 0; i < 8; i++) | |
3108 | qemu_put_betls(f, &env->dr[i]); | |
3109 | ||
3110 | /* MMU */ | |
3111 | qemu_put_be32s(f, &env->a20_mask); | |
3112 | ||
3113 | /* XMM */ | |
3114 | qemu_put_be32s(f, &env->mxcsr); | |
3115 | for(i = 0; i < CPU_NB_REGS; i++) { | |
3116 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
3117 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
3118 | } | |
3119 | ||
3120 | #ifdef TARGET_X86_64 | |
3121 | qemu_put_be64s(f, &env->efer); | |
3122 | qemu_put_be64s(f, &env->star); | |
3123 | qemu_put_be64s(f, &env->lstar); | |
3124 | qemu_put_be64s(f, &env->cstar); | |
3125 | qemu_put_be64s(f, &env->fmask); | |
3126 | qemu_put_be64s(f, &env->kernelgsbase); | |
3127 | #endif | |
3128 | } | |
3129 | ||
3130 | #ifdef USE_X86LDOUBLE | |
3131 | /* XXX: add that in a FPU generic layer */ | |
3132 | union x86_longdouble { | |
3133 | uint64_t mant; | |
3134 | uint16_t exp; | |
3135 | }; | |
3136 | ||
3137 | #define MANTD1(fp) (fp & ((1LL << 52) - 1)) | |
3138 | #define EXPBIAS1 1023 | |
3139 | #define EXPD1(fp) ((fp >> 52) & 0x7FF) | |
3140 | #define SIGND1(fp) ((fp >> 32) & 0x80000000) | |
3141 | ||
3142 | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | |
3143 | { | |
3144 | int e; | |
3145 | /* mantissa */ | |
3146 | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | |
3147 | /* exponent + sign */ | |
3148 | e = EXPD1(temp) - EXPBIAS1 + 16383; | |
3149 | e |= SIGND1(temp) >> 16; | |
3150 | p->exp = e; | |
3151 | } | |
3152 | #endif | |
3153 | ||
3154 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
3155 | { | |
3156 | CPUState *env = opaque; | |
3157 | int i, guess_mmx; | |
3158 | uint32_t hflags; | |
3159 | uint16_t fpus, fpuc, fptag, fpregs_format; | |
3160 | ||
3161 | if (version_id != 3) | |
3162 | return -EINVAL; | |
3163 | for(i = 0; i < CPU_NB_REGS; i++) | |
3164 | qemu_get_betls(f, &env->regs[i]); | |
3165 | qemu_get_betls(f, &env->eip); | |
3166 | qemu_get_betls(f, &env->eflags); | |
3167 | qemu_get_be32s(f, &hflags); | |
3168 | ||
3169 | qemu_get_be16s(f, &fpuc); | |
3170 | qemu_get_be16s(f, &fpus); | |
3171 | qemu_get_be16s(f, &fptag); | |
3172 | qemu_get_be16s(f, &fpregs_format); | |
3173 | ||
3174 | /* NOTE: we cannot always restore the FPU state if the image come | |
3175 | from a host with a different 'USE_X86LDOUBLE' define. We guess | |
3176 | if we are in an MMX state to restore correctly in that case. */ | |
3177 | guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); | |
3178 | for(i = 0; i < 8; i++) { | |
3179 | uint64_t mant; | |
3180 | uint16_t exp; | |
3181 | ||
3182 | switch(fpregs_format) { | |
3183 | case 0: | |
3184 | mant = qemu_get_be64(f); | |
3185 | exp = qemu_get_be16(f); | |
3186 | #ifdef USE_X86LDOUBLE | |
3187 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
3188 | #else | |
3189 | /* difficult case */ | |
3190 | if (guess_mmx) | |
3191 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
3192 | else | |
3193 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
3194 | #endif | |
3195 | break; | |
3196 | case 1: | |
3197 | mant = qemu_get_be64(f); | |
3198 | #ifdef USE_X86LDOUBLE | |
3199 | { | |
3200 | union x86_longdouble *p; | |
3201 | /* difficult case */ | |
3202 | p = (void *)&env->fpregs[i]; | |
3203 | if (guess_mmx) { | |
3204 | p->mant = mant; | |
3205 | p->exp = 0xffff; | |
3206 | } else { | |
3207 | fp64_to_fp80(p, mant); | |
3208 | } | |
3209 | } | |
3210 | #else | |
3211 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
3212 | #endif | |
3213 | break; | |
3214 | default: | |
3215 | return -EINVAL; | |
3216 | } | |
3217 | } | |
3218 | ||
3219 | env->fpuc = fpuc; | |
3220 | /* XXX: restore FPU round state */ | |
3221 | env->fpstt = (fpus >> 11) & 7; | |
3222 | env->fpus = fpus & ~0x3800; | |
3223 | fptag ^= 0xff; | |
3224 | for(i = 0; i < 8; i++) { | |
3225 | env->fptags[i] = (fptag >> i) & 1; | |
3226 | } | |
3227 | ||
3228 | for(i = 0; i < 6; i++) | |
3229 | cpu_get_seg(f, &env->segs[i]); | |
3230 | cpu_get_seg(f, &env->ldt); | |
3231 | cpu_get_seg(f, &env->tr); | |
3232 | cpu_get_seg(f, &env->gdt); | |
3233 | cpu_get_seg(f, &env->idt); | |
3234 | ||
3235 | qemu_get_be32s(f, &env->sysenter_cs); | |
3236 | qemu_get_be32s(f, &env->sysenter_esp); | |
3237 | qemu_get_be32s(f, &env->sysenter_eip); | |
3238 | ||
3239 | qemu_get_betls(f, &env->cr[0]); | |
3240 | qemu_get_betls(f, &env->cr[2]); | |
3241 | qemu_get_betls(f, &env->cr[3]); | |
3242 | qemu_get_betls(f, &env->cr[4]); | |
3243 | ||
3244 | for(i = 0; i < 8; i++) | |
3245 | qemu_get_betls(f, &env->dr[i]); | |
3246 | ||
3247 | /* MMU */ | |
3248 | qemu_get_be32s(f, &env->a20_mask); | |
3249 | ||
3250 | qemu_get_be32s(f, &env->mxcsr); | |
3251 | for(i = 0; i < CPU_NB_REGS; i++) { | |
3252 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
3253 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
3254 | } | |
3255 | ||
3256 | #ifdef TARGET_X86_64 | |
3257 | qemu_get_be64s(f, &env->efer); | |
3258 | qemu_get_be64s(f, &env->star); | |
3259 | qemu_get_be64s(f, &env->lstar); | |
3260 | qemu_get_be64s(f, &env->cstar); | |
3261 | qemu_get_be64s(f, &env->fmask); | |
3262 | qemu_get_be64s(f, &env->kernelgsbase); | |
3263 | #endif | |
3264 | ||
3265 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
3266 | env->hflags = hflags; | |
3267 | tlb_flush(env, 1); | |
3268 | return 0; | |
3269 | } | |
3270 | ||
3271 | #elif defined(TARGET_PPC) | |
3272 | void cpu_save(QEMUFile *f, void *opaque) | |
3273 | { | |
3274 | } | |
3275 | ||
3276 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
3277 | { | |
3278 | return 0; | |
3279 | } | |
3280 | ||
3281 | #elif defined(TARGET_MIPS) | |
3282 | void cpu_save(QEMUFile *f, void *opaque) | |
3283 | { | |
3284 | } | |
3285 | ||
3286 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
3287 | { | |
3288 | return 0; | |
3289 | } | |
3290 | ||
3291 | #elif defined(TARGET_SPARC) | |
3292 | void cpu_save(QEMUFile *f, void *opaque) | |
3293 | { | |
3294 | CPUState *env = opaque; | |
3295 | int i; | |
3296 | uint32_t tmp; | |
3297 | ||
3298 | for(i = 0; i < 8; i++) | |
3299 | qemu_put_betls(f, &env->gregs[i]); | |
3300 | for(i = 0; i < NWINDOWS * 16; i++) | |
3301 | qemu_put_betls(f, &env->regbase[i]); | |
3302 | ||
3303 | /* FPU */ | |
3304 | for(i = 0; i < TARGET_FPREGS; i++) { | |
3305 | union { | |
3306 | TARGET_FPREG_T f; | |
3307 | target_ulong i; | |
3308 | } u; | |
3309 | u.f = env->fpr[i]; | |
3310 | qemu_put_betl(f, u.i); | |
3311 | } | |
3312 | ||
3313 | qemu_put_betls(f, &env->pc); | |
3314 | qemu_put_betls(f, &env->npc); | |
3315 | qemu_put_betls(f, &env->y); | |
3316 | tmp = GET_PSR(env); | |
3317 | qemu_put_be32(f, tmp); | |
3318 | qemu_put_betls(f, &env->fsr); | |
3319 | qemu_put_betls(f, &env->tbr); | |
3320 | #ifndef TARGET_SPARC64 | |
3321 | qemu_put_be32s(f, &env->wim); | |
3322 | /* MMU */ | |
3323 | for(i = 0; i < 16; i++) | |
3324 | qemu_put_be32s(f, &env->mmuregs[i]); | |
3325 | #endif | |
3326 | } | |
3327 | ||
3328 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
3329 | { | |
3330 | CPUState *env = opaque; | |
3331 | int i; | |
3332 | uint32_t tmp; | |
3333 | ||
3334 | for(i = 0; i < 8; i++) | |
3335 | qemu_get_betls(f, &env->gregs[i]); | |
3336 | for(i = 0; i < NWINDOWS * 16; i++) | |
3337 | qemu_get_betls(f, &env->regbase[i]); | |
3338 | ||
3339 | /* FPU */ | |
3340 | for(i = 0; i < TARGET_FPREGS; i++) { | |
3341 | union { | |
3342 | TARGET_FPREG_T f; | |
3343 | target_ulong i; | |
3344 | } u; | |
3345 | u.i = qemu_get_betl(f); | |
3346 | env->fpr[i] = u.f; | |
3347 | } | |
3348 | ||
3349 | qemu_get_betls(f, &env->pc); | |
3350 | qemu_get_betls(f, &env->npc); | |
3351 | qemu_get_betls(f, &env->y); | |
3352 | tmp = qemu_get_be32(f); | |
3353 | env->cwp = 0; /* needed to ensure that the wrapping registers are | |
3354 | correctly updated */ | |
3355 | PUT_PSR(env, tmp); | |
3356 | qemu_get_betls(f, &env->fsr); | |
3357 | qemu_get_betls(f, &env->tbr); | |
3358 | #ifndef TARGET_SPARC64 | |
3359 | qemu_get_be32s(f, &env->wim); | |
3360 | /* MMU */ | |
3361 | for(i = 0; i < 16; i++) | |
3362 | qemu_get_be32s(f, &env->mmuregs[i]); | |
3363 | #endif | |
3364 | tlb_flush(env, 1); | |
3365 | return 0; | |
3366 | } | |
3367 | ||
3368 | #elif defined(TARGET_ARM) | |
3369 | ||
3370 | /* ??? Need to implement these. */ | |
3371 | void cpu_save(QEMUFile *f, void *opaque) | |
3372 | { | |
3373 | } | |
3374 | ||
3375 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
3376 | { | |
3377 | return 0; | |
3378 | } | |
3379 | ||
3380 | #else | |
3381 | ||
3382 | #warning No CPU save/restore functions | |
3383 | ||
3384 | #endif | |
3385 | ||
3386 | /***********************************************************/ | |
3387 | /* ram save/restore */ | |
3388 | ||
3389 | /* we just avoid storing empty pages */ | |
3390 | static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) | |
3391 | { | |
3392 | int i, v; | |
3393 | ||
3394 | v = buf[0]; | |
3395 | for(i = 1; i < len; i++) { | |
3396 | if (buf[i] != v) | |
3397 | goto normal_save; | |
3398 | } | |
3399 | qemu_put_byte(f, 1); | |
3400 | qemu_put_byte(f, v); | |
3401 | return; | |
3402 | normal_save: | |
3403 | qemu_put_byte(f, 0); | |
3404 | qemu_put_buffer(f, buf, len); | |
3405 | } | |
3406 | ||
3407 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
3408 | { | |
3409 | int v; | |
3410 | ||
3411 | v = qemu_get_byte(f); | |
3412 | switch(v) { | |
3413 | case 0: | |
3414 | if (qemu_get_buffer(f, buf, len) != len) | |
3415 | return -EIO; | |
3416 | break; | |
3417 | case 1: | |
3418 | v = qemu_get_byte(f); | |
3419 | memset(buf, v, len); | |
3420 | break; | |
3421 | default: | |
3422 | return -EINVAL; | |
3423 | } | |
3424 | return 0; | |
3425 | } | |
3426 | ||
3427 | static void ram_save(QEMUFile *f, void *opaque) | |
3428 | { | |
3429 | int i; | |
3430 | qemu_put_be32(f, phys_ram_size); | |
3431 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
3432 | ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
3433 | } | |
3434 | } | |
3435 | ||
3436 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
3437 | { | |
3438 | int i, ret; | |
3439 | ||
3440 | if (version_id != 1) | |
3441 | return -EINVAL; | |
3442 | if (qemu_get_be32(f) != phys_ram_size) | |
3443 | return -EINVAL; | |
3444 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
3445 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
3446 | if (ret) | |
3447 | return ret; | |
3448 | } | |
3449 | return 0; | |
3450 | } | |
3451 | ||
3452 | /***********************************************************/ | |
3453 | /* machine registration */ | |
3454 | ||
3455 | QEMUMachine *first_machine = NULL; | |
3456 | ||
3457 | int qemu_register_machine(QEMUMachine *m) | |
3458 | { | |
3459 | QEMUMachine **pm; | |
3460 | pm = &first_machine; | |
3461 | while (*pm != NULL) | |
3462 | pm = &(*pm)->next; | |
3463 | m->next = NULL; | |
3464 | *pm = m; | |
3465 | return 0; | |
3466 | } | |
3467 | ||
3468 | QEMUMachine *find_machine(const char *name) | |
3469 | { | |
3470 | QEMUMachine *m; | |
3471 | ||
3472 | for(m = first_machine; m != NULL; m = m->next) { | |
3473 | if (!strcmp(m->name, name)) | |
3474 | return m; | |
3475 | } | |
3476 | return NULL; | |
3477 | } | |
3478 | ||
3479 | /***********************************************************/ | |
3480 | /* main execution loop */ | |
3481 | ||
3482 | void gui_update(void *opaque) | |
3483 | { | |
3484 | display_state.dpy_refresh(&display_state); | |
3485 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
3486 | } | |
3487 | ||
3488 | struct vm_change_state_entry { | |
3489 | VMChangeStateHandler *cb; | |
3490 | void *opaque; | |
3491 | LIST_ENTRY (vm_change_state_entry) entries; | |
3492 | }; | |
3493 | ||
3494 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
3495 | ||
3496 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3497 | void *opaque) | |
3498 | { | |
3499 | VMChangeStateEntry *e; | |
3500 | ||
3501 | e = qemu_mallocz(sizeof (*e)); | |
3502 | if (!e) | |
3503 | return NULL; | |
3504 | ||
3505 | e->cb = cb; | |
3506 | e->opaque = opaque; | |
3507 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
3508 | return e; | |
3509 | } | |
3510 | ||
3511 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3512 | { | |
3513 | LIST_REMOVE (e, entries); | |
3514 | qemu_free (e); | |
3515 | } | |
3516 | ||
3517 | static void vm_state_notify(int running) | |
3518 | { | |
3519 | VMChangeStateEntry *e; | |
3520 | ||
3521 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
3522 | e->cb(e->opaque, running); | |
3523 | } | |
3524 | } | |
3525 | ||
3526 | /* XXX: support several handlers */ | |
3527 | static VMStopHandler *vm_stop_cb; | |
3528 | static void *vm_stop_opaque; | |
3529 | ||
3530 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
3531 | { | |
3532 | vm_stop_cb = cb; | |
3533 | vm_stop_opaque = opaque; | |
3534 | return 0; | |
3535 | } | |
3536 | ||
3537 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
3538 | { | |
3539 | vm_stop_cb = NULL; | |
3540 | } | |
3541 | ||
3542 | void vm_start(void) | |
3543 | { | |
3544 | if (!vm_running) { | |
3545 | cpu_enable_ticks(); | |
3546 | vm_running = 1; | |
3547 | vm_state_notify(1); | |
3548 | } | |
3549 | } | |
3550 | ||
3551 | void vm_stop(int reason) | |
3552 | { | |
3553 | if (vm_running) { | |
3554 | cpu_disable_ticks(); | |
3555 | vm_running = 0; | |
3556 | if (reason != 0) { | |
3557 | if (vm_stop_cb) { | |
3558 | vm_stop_cb(vm_stop_opaque, reason); | |
3559 | } | |
3560 | } | |
3561 | vm_state_notify(0); | |
3562 | } | |
3563 | } | |
3564 | ||
3565 | /* reset/shutdown handler */ | |
3566 | ||
3567 | typedef struct QEMUResetEntry { | |
3568 | QEMUResetHandler *func; | |
3569 | void *opaque; | |
3570 | struct QEMUResetEntry *next; | |
3571 | } QEMUResetEntry; | |
3572 | ||
3573 | static QEMUResetEntry *first_reset_entry; | |
3574 | static int reset_requested; | |
3575 | static int shutdown_requested; | |
3576 | static int powerdown_requested; | |
3577 | ||
3578 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
3579 | { | |
3580 | QEMUResetEntry **pre, *re; | |
3581 | ||
3582 | pre = &first_reset_entry; | |
3583 | while (*pre != NULL) | |
3584 | pre = &(*pre)->next; | |
3585 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
3586 | re->func = func; | |
3587 | re->opaque = opaque; | |
3588 | re->next = NULL; | |
3589 | *pre = re; | |
3590 | } | |
3591 | ||
3592 | void qemu_system_reset(void) | |
3593 | { | |
3594 | QEMUResetEntry *re; | |
3595 | ||
3596 | /* reset all devices */ | |
3597 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
3598 | re->func(re->opaque); | |
3599 | } | |
3600 | } | |
3601 | ||
3602 | void qemu_system_reset_request(void) | |
3603 | { | |
3604 | reset_requested = 1; | |
3605 | if (cpu_single_env) | |
3606 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3607 | } | |
3608 | ||
3609 | void qemu_system_shutdown_request(void) | |
3610 | { | |
3611 | shutdown_requested = 1; | |
3612 | if (cpu_single_env) | |
3613 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3614 | } | |
3615 | ||
3616 | void qemu_system_powerdown_request(void) | |
3617 | { | |
3618 | powerdown_requested = 1; | |
3619 | if (cpu_single_env) | |
3620 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3621 | } | |
3622 | ||
3623 | void main_loop_wait(int timeout) | |
3624 | { | |
3625 | #ifndef _WIN32 | |
3626 | struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; | |
3627 | IOHandlerRecord *ioh, *ioh_next; | |
3628 | #endif | |
3629 | int ret; | |
3630 | ||
3631 | #ifdef _WIN32 | |
3632 | if (timeout > 0) | |
3633 | Sleep(timeout); | |
3634 | #else | |
3635 | /* poll any events */ | |
3636 | /* XXX: separate device handlers from system ones */ | |
3637 | pf = ufds; | |
3638 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
3639 | pf->events = 0; | |
3640 | pf->fd = ioh->fd; | |
3641 | if (ioh->fd_read && | |
3642 | (!ioh->fd_read_poll || | |
3643 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3644 | pf->events |= POLLIN; | |
3645 | } | |
3646 | if (ioh->fd_write) { | |
3647 | pf->events |= POLLOUT; | |
3648 | } | |
3649 | ioh->ufd = pf; | |
3650 | pf++; | |
3651 | } | |
3652 | ||
3653 | ret = poll(ufds, pf - ufds, timeout); | |
3654 | if (ret > 0) { | |
3655 | /* XXX: better handling of removal */ | |
3656 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { | |
3657 | ioh_next = ioh->next; | |
3658 | pf = ioh->ufd; | |
3659 | if (pf->revents & POLLIN) { | |
3660 | ioh->fd_read(ioh->opaque); | |
3661 | } | |
3662 | if (pf->revents & POLLOUT) { | |
3663 | ioh->fd_write(ioh->opaque); | |
3664 | } | |
3665 | } | |
3666 | } | |
3667 | #endif /* !defined(_WIN32) */ | |
3668 | #if defined(CONFIG_SLIRP) | |
3669 | /* XXX: merge with poll() */ | |
3670 | if (slirp_inited) { | |
3671 | fd_set rfds, wfds, xfds; | |
3672 | int nfds; | |
3673 | struct timeval tv; | |
3674 | ||
3675 | nfds = -1; | |
3676 | FD_ZERO(&rfds); | |
3677 | FD_ZERO(&wfds); | |
3678 | FD_ZERO(&xfds); | |
3679 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
3680 | tv.tv_sec = 0; | |
3681 | tv.tv_usec = 0; | |
3682 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
3683 | if (ret >= 0) { | |
3684 | slirp_select_poll(&rfds, &wfds, &xfds); | |
3685 | } | |
3686 | } | |
3687 | #endif | |
3688 | ||
3689 | if (vm_running) { | |
3690 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
3691 | qemu_get_clock(vm_clock)); | |
3692 | /* run dma transfers, if any */ | |
3693 | DMA_run(); | |
3694 | } | |
3695 | ||
3696 | /* real time timers */ | |
3697 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
3698 | qemu_get_clock(rt_clock)); | |
3699 | } | |
3700 | ||
3701 | static CPUState *cur_cpu; | |
3702 | ||
3703 | int main_loop(void) | |
3704 | { | |
3705 | int ret, timeout; | |
3706 | CPUState *env; | |
3707 | ||
3708 | cur_cpu = first_cpu; | |
3709 | for(;;) { | |
3710 | if (vm_running) { | |
3711 | ||
3712 | env = cur_cpu; | |
3713 | for(;;) { | |
3714 | /* get next cpu */ | |
3715 | env = env->next_cpu; | |
3716 | if (!env) | |
3717 | env = first_cpu; | |
3718 | ret = cpu_exec(env); | |
3719 | if (ret != EXCP_HALTED) | |
3720 | break; | |
3721 | /* all CPUs are halted ? */ | |
3722 | if (env == cur_cpu) { | |
3723 | ret = EXCP_HLT; | |
3724 | break; | |
3725 | } | |
3726 | } | |
3727 | cur_cpu = env; | |
3728 | ||
3729 | if (shutdown_requested) { | |
3730 | ret = EXCP_INTERRUPT; | |
3731 | break; | |
3732 | } | |
3733 | if (reset_requested) { | |
3734 | reset_requested = 0; | |
3735 | qemu_system_reset(); | |
3736 | ret = EXCP_INTERRUPT; | |
3737 | } | |
3738 | if (powerdown_requested) { | |
3739 | powerdown_requested = 0; | |
3740 | qemu_system_powerdown(); | |
3741 | ret = EXCP_INTERRUPT; | |
3742 | } | |
3743 | if (ret == EXCP_DEBUG) { | |
3744 | vm_stop(EXCP_DEBUG); | |
3745 | } | |
3746 | /* if hlt instruction, we wait until the next IRQ */ | |
3747 | /* XXX: use timeout computed from timers */ | |
3748 | if (ret == EXCP_HLT) | |
3749 | timeout = 10; | |
3750 | else | |
3751 | timeout = 0; | |
3752 | } else { | |
3753 | timeout = 10; | |
3754 | } | |
3755 | main_loop_wait(timeout); | |
3756 | } | |
3757 | cpu_disable_ticks(); | |
3758 | return ret; | |
3759 | } | |
3760 | ||
3761 | void help(void) | |
3762 | { | |
3763 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n" | |
3764 | "usage: %s [options] [disk_image]\n" | |
3765 | "\n" | |
3766 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
3767 | "\n" | |
3768 | "Standard options:\n" | |
3769 | "-M machine select emulated machine (-M ? for list)\n" | |
3770 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
3771 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
3772 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
3773 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
3774 | "-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n" | |
3775 | "-snapshot write to temporary files instead of disk image files\n" | |
3776 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
3777 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
3778 | #ifndef _WIN32 | |
3779 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
3780 | #endif | |
3781 | #ifdef HAS_AUDIO | |
3782 | "-enable-audio enable audio support, and all the sound cars\n" | |
3783 | "-audio-help print list of audio drivers and their options\n" | |
3784 | "-soundhw c1,... enable audio support\n" | |
3785 | " and only specified sound cards (comma separated list)\n" | |
3786 | " use -soundhw ? to get the list of supported cards\n" | |
3787 | #endif | |
3788 | "-localtime set the real time clock to local time [default=utc]\n" | |
3789 | "-full-screen start in full screen\n" | |
3790 | #ifdef TARGET_I386 | |
3791 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
3792 | #endif | |
3793 | "-usb enable the USB driver (will be the default soon)\n" | |
3794 | "-usbdevice name add the host or guest USB device 'name'\n" | |
3795 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
3796 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
3797 | #endif | |
3798 | "\n" | |
3799 | "Network options:\n" | |
3800 | "-net nic[,vlan=n][,macaddr=addr]\n" | |
3801 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
3802 | #ifdef CONFIG_SLIRP | |
3803 | "-net user[,vlan=n]\n" | |
3804 | " connect the user mode network stack to VLAN 'n'\n" | |
3805 | #endif | |
3806 | #ifndef _WIN32 | |
3807 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n" | |
3808 | " connect the host TAP network interface to VLAN 'n' and use\n" | |
3809 | " the network script 'file' (default=%s);\n" | |
3810 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
3811 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
3812 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
3813 | #endif | |
3814 | "-net none use it alone to have zero network devices; if no -net option\n" | |
3815 | " is provided, the default is '-net nic -net user'\n" | |
3816 | "\n" | |
3817 | #ifdef CONFIG_SLIRP | |
3818 | "-tftp prefix allow tftp access to files starting with prefix [-net user]\n" | |
3819 | #ifndef _WIN32 | |
3820 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
3821 | #endif | |
3822 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
3823 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
3824 | #endif | |
3825 | "\n" | |
3826 | "Linux boot specific:\n" | |
3827 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
3828 | "-append cmdline use 'cmdline' as kernel command line\n" | |
3829 | "-initrd file use 'file' as initial ram disk\n" | |
3830 | "\n" | |
3831 | "Debug/Expert options:\n" | |
3832 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
3833 | "-serial dev redirect the serial port to char device 'dev'\n" | |
3834 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
3835 | "-pidfile file Write PID to 'file'\n" | |
3836 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
3837 | "-s wait gdb connection to port %d\n" | |
3838 | "-p port change gdb connection port\n" | |
3839 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
3840 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
3841 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
3842 | "-L path set the directory for the BIOS and VGA BIOS\n" | |
3843 | #ifdef USE_KQEMU | |
3844 | "-no-kqemu disable KQEMU kernel module usage\n" | |
3845 | #endif | |
3846 | #ifdef USE_CODE_COPY | |
3847 | "-no-code-copy disable code copy acceleration\n" | |
3848 | #endif | |
3849 | #ifdef TARGET_I386 | |
3850 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" | |
3851 | " (default is CL-GD5446 PCI VGA)\n" | |
3852 | #endif | |
3853 | "-loadvm file start right away with a saved state (loadvm in monitor)\n" | |
3854 | "\n" | |
3855 | "During emulation, the following keys are useful:\n" | |
3856 | "ctrl-alt-f toggle full screen\n" | |
3857 | "ctrl-alt-n switch to virtual console 'n'\n" | |
3858 | "ctrl-alt toggle mouse and keyboard grab\n" | |
3859 | "\n" | |
3860 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
3861 | , | |
3862 | #ifdef CONFIG_SOFTMMU | |
3863 | "qemu", | |
3864 | #else | |
3865 | "qemu-fast", | |
3866 | #endif | |
3867 | DEFAULT_RAM_SIZE, | |
3868 | #ifndef _WIN32 | |
3869 | DEFAULT_NETWORK_SCRIPT, | |
3870 | #endif | |
3871 | DEFAULT_GDBSTUB_PORT, | |
3872 | "/tmp/qemu.log"); | |
3873 | #ifndef CONFIG_SOFTMMU | |
3874 | printf("\n" | |
3875 | "NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n" | |
3876 | "work. Please use the 'qemu' executable to have a more accurate (but slower)\n" | |
3877 | "PC emulation.\n"); | |
3878 | #endif | |
3879 | exit(1); | |
3880 | } | |
3881 | ||
3882 | #define HAS_ARG 0x0001 | |
3883 | ||
3884 | enum { | |
3885 | QEMU_OPTION_h, | |
3886 | ||
3887 | QEMU_OPTION_M, | |
3888 | QEMU_OPTION_fda, | |
3889 | QEMU_OPTION_fdb, | |
3890 | QEMU_OPTION_hda, | |
3891 | QEMU_OPTION_hdb, | |
3892 | QEMU_OPTION_hdc, | |
3893 | QEMU_OPTION_hdd, | |
3894 | QEMU_OPTION_cdrom, | |
3895 | QEMU_OPTION_boot, | |
3896 | QEMU_OPTION_snapshot, | |
3897 | QEMU_OPTION_m, | |
3898 | QEMU_OPTION_nographic, | |
3899 | #ifdef HAS_AUDIO | |
3900 | QEMU_OPTION_enable_audio, | |
3901 | QEMU_OPTION_audio_help, | |
3902 | QEMU_OPTION_soundhw, | |
3903 | #endif | |
3904 | ||
3905 | QEMU_OPTION_net, | |
3906 | QEMU_OPTION_tftp, | |
3907 | QEMU_OPTION_smb, | |
3908 | QEMU_OPTION_redir, | |
3909 | ||
3910 | QEMU_OPTION_kernel, | |
3911 | QEMU_OPTION_append, | |
3912 | QEMU_OPTION_initrd, | |
3913 | ||
3914 | QEMU_OPTION_S, | |
3915 | QEMU_OPTION_s, | |
3916 | QEMU_OPTION_p, | |
3917 | QEMU_OPTION_d, | |
3918 | QEMU_OPTION_hdachs, | |
3919 | QEMU_OPTION_L, | |
3920 | QEMU_OPTION_no_code_copy, | |
3921 | QEMU_OPTION_k, | |
3922 | QEMU_OPTION_localtime, | |
3923 | QEMU_OPTION_cirrusvga, | |
3924 | QEMU_OPTION_g, | |
3925 | QEMU_OPTION_std_vga, | |
3926 | QEMU_OPTION_monitor, | |
3927 | QEMU_OPTION_serial, | |
3928 | QEMU_OPTION_parallel, | |
3929 | QEMU_OPTION_loadvm, | |
3930 | QEMU_OPTION_full_screen, | |
3931 | QEMU_OPTION_pidfile, | |
3932 | QEMU_OPTION_no_kqemu, | |
3933 | QEMU_OPTION_win2k_hack, | |
3934 | QEMU_OPTION_usb, | |
3935 | QEMU_OPTION_usbdevice, | |
3936 | QEMU_OPTION_smp, | |
3937 | }; | |
3938 | ||
3939 | typedef struct QEMUOption { | |
3940 | const char *name; | |
3941 | int flags; | |
3942 | int index; | |
3943 | } QEMUOption; | |
3944 | ||
3945 | const QEMUOption qemu_options[] = { | |
3946 | { "h", 0, QEMU_OPTION_h }, | |
3947 | ||
3948 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
3949 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
3950 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
3951 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
3952 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
3953 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
3954 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
3955 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
3956 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
3957 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
3958 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
3959 | { "nographic", 0, QEMU_OPTION_nographic }, | |
3960 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
3961 | #ifdef HAS_AUDIO | |
3962 | { "enable-audio", 0, QEMU_OPTION_enable_audio }, | |
3963 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
3964 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
3965 | #endif | |
3966 | ||
3967 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
3968 | #ifdef CONFIG_SLIRP | |
3969 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
3970 | #ifndef _WIN32 | |
3971 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
3972 | #endif | |
3973 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
3974 | #endif | |
3975 | ||
3976 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
3977 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
3978 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
3979 | ||
3980 | { "S", 0, QEMU_OPTION_S }, | |
3981 | { "s", 0, QEMU_OPTION_s }, | |
3982 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
3983 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
3984 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
3985 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
3986 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
3987 | #ifdef USE_KQEMU | |
3988 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
3989 | #endif | |
3990 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
3991 | { "g", 1, QEMU_OPTION_g }, | |
3992 | #endif | |
3993 | { "localtime", 0, QEMU_OPTION_localtime }, | |
3994 | { "std-vga", 0, QEMU_OPTION_std_vga }, | |
3995 | { "monitor", 1, QEMU_OPTION_monitor }, | |
3996 | { "serial", 1, QEMU_OPTION_serial }, | |
3997 | { "parallel", 1, QEMU_OPTION_parallel }, | |
3998 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
3999 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
4000 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
4001 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
4002 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
4003 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
4004 | ||
4005 | /* temporary options */ | |
4006 | { "usb", 0, QEMU_OPTION_usb }, | |
4007 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
4008 | { NULL }, | |
4009 | }; | |
4010 | ||
4011 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
4012 | ||
4013 | /* this stack is only used during signal handling */ | |
4014 | #define SIGNAL_STACK_SIZE 32768 | |
4015 | ||
4016 | static uint8_t *signal_stack; | |
4017 | ||
4018 | #endif | |
4019 | ||
4020 | /* password input */ | |
4021 | ||
4022 | static BlockDriverState *get_bdrv(int index) | |
4023 | { | |
4024 | BlockDriverState *bs; | |
4025 | ||
4026 | if (index < 4) { | |
4027 | bs = bs_table[index]; | |
4028 | } else if (index < 6) { | |
4029 | bs = fd_table[index - 4]; | |
4030 | } else { | |
4031 | bs = NULL; | |
4032 | } | |
4033 | return bs; | |
4034 | } | |
4035 | ||
4036 | static void read_passwords(void) | |
4037 | { | |
4038 | BlockDriverState *bs; | |
4039 | int i, j; | |
4040 | char password[256]; | |
4041 | ||
4042 | for(i = 0; i < 6; i++) { | |
4043 | bs = get_bdrv(i); | |
4044 | if (bs && bdrv_is_encrypted(bs)) { | |
4045 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
4046 | for(j = 0; j < 3; j++) { | |
4047 | monitor_readline("Password: ", | |
4048 | 1, password, sizeof(password)); | |
4049 | if (bdrv_set_key(bs, password) == 0) | |
4050 | break; | |
4051 | term_printf("invalid password\n"); | |
4052 | } | |
4053 | } | |
4054 | } | |
4055 | } | |
4056 | ||
4057 | /* XXX: currently we cannot use simultaneously different CPUs */ | |
4058 | void register_machines(void) | |
4059 | { | |
4060 | #if defined(TARGET_I386) | |
4061 | qemu_register_machine(&pc_machine); | |
4062 | qemu_register_machine(&isapc_machine); | |
4063 | #elif defined(TARGET_PPC) | |
4064 | qemu_register_machine(&heathrow_machine); | |
4065 | qemu_register_machine(&core99_machine); | |
4066 | qemu_register_machine(&prep_machine); | |
4067 | #elif defined(TARGET_MIPS) | |
4068 | qemu_register_machine(&mips_machine); | |
4069 | #elif defined(TARGET_SPARC) | |
4070 | #ifdef TARGET_SPARC64 | |
4071 | qemu_register_machine(&sun4u_machine); | |
4072 | #else | |
4073 | qemu_register_machine(&sun4m_machine); | |
4074 | #endif | |
4075 | #elif defined(TARGET_ARM) | |
4076 | qemu_register_machine(&integratorcp_machine); | |
4077 | #else | |
4078 | #error unsupported CPU | |
4079 | #endif | |
4080 | } | |
4081 | ||
4082 | #ifdef HAS_AUDIO | |
4083 | static void select_soundhw (const char *optarg) | |
4084 | { | |
4085 | if (*optarg == '?') { | |
4086 | show_valid_cards: | |
4087 | printf ("Valid sound card names (comma separated):\n"); | |
4088 | printf ("sb16 Creative Sound Blaster 16\n"); | |
4089 | #ifdef CONFIG_ADLIB | |
4090 | #ifdef HAS_YMF262 | |
4091 | printf ("adlib Yamaha YMF262 (OPL3)\n"); | |
4092 | #else | |
4093 | printf ("adlib Yamaha YM3812 (OPL2)\n"); | |
4094 | #endif | |
4095 | #endif | |
4096 | #ifdef CONFIG_GUS | |
4097 | printf ("gus Gravis Ultrasound GF1\n"); | |
4098 | #endif | |
4099 | printf ("es1370 ENSONIQ AudioPCI ES1370\n"); | |
4100 | exit (*optarg != '?'); | |
4101 | } | |
4102 | else { | |
4103 | struct { | |
4104 | char *name; | |
4105 | int *enabledp; | |
4106 | } soundhw_tab[] = { | |
4107 | { "sb16", &sb16_enabled }, | |
4108 | #ifdef CONFIG_ADLIB | |
4109 | { "adlib", &adlib_enabled }, | |
4110 | #endif | |
4111 | #ifdef CONFIG_GUS | |
4112 | { "gus", &gus_enabled }, | |
4113 | #endif | |
4114 | { "es1370", &es1370_enabled }, | |
4115 | }; | |
4116 | size_t tablen, l, i; | |
4117 | const char *p; | |
4118 | char *e; | |
4119 | int bad_card = 0; | |
4120 | ||
4121 | p = optarg; | |
4122 | tablen = sizeof (soundhw_tab) / sizeof (soundhw_tab[0]); | |
4123 | ||
4124 | while (*p) { | |
4125 | e = strchr (p, ','); | |
4126 | l = !e ? strlen (p) : (size_t) (e - p); | |
4127 | for (i = 0; i < tablen; ++i) { | |
4128 | if (!strncmp (soundhw_tab[i].name, p, l)) { | |
4129 | audio_enabled = 1; | |
4130 | *soundhw_tab[i].enabledp = 1; | |
4131 | break; | |
4132 | } | |
4133 | } | |
4134 | if (i == tablen) { | |
4135 | if (l > 80) { | |
4136 | fprintf (stderr, | |
4137 | "Unknown sound card name (too big to show)\n"); | |
4138 | } | |
4139 | else { | |
4140 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4141 | (int) l, p); | |
4142 | } | |
4143 | bad_card = 1; | |
4144 | } | |
4145 | p += l + (e != NULL); | |
4146 | } | |
4147 | ||
4148 | if (bad_card) | |
4149 | goto show_valid_cards; | |
4150 | } | |
4151 | } | |
4152 | #endif | |
4153 | ||
4154 | #define MAX_NET_CLIENTS 32 | |
4155 | ||
4156 | int main(int argc, char **argv) | |
4157 | { | |
4158 | #ifdef CONFIG_GDBSTUB | |
4159 | int use_gdbstub, gdbstub_port; | |
4160 | #endif | |
4161 | int i, cdrom_index; | |
4162 | int snapshot, linux_boot; | |
4163 | const char *initrd_filename; | |
4164 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; | |
4165 | const char *kernel_filename, *kernel_cmdline; | |
4166 | DisplayState *ds = &display_state; | |
4167 | int cyls, heads, secs, translation; | |
4168 | int start_emulation = 1; | |
4169 | char net_clients[MAX_NET_CLIENTS][256]; | |
4170 | int nb_net_clients; | |
4171 | int optind; | |
4172 | const char *r, *optarg; | |
4173 | CharDriverState *monitor_hd; | |
4174 | char monitor_device[128]; | |
4175 | char serial_devices[MAX_SERIAL_PORTS][128]; | |
4176 | int serial_device_index; | |
4177 | char parallel_devices[MAX_PARALLEL_PORTS][128]; | |
4178 | int parallel_device_index; | |
4179 | const char *loadvm = NULL; | |
4180 | QEMUMachine *machine; | |
4181 | char usb_devices[MAX_VM_USB_PORTS][128]; | |
4182 | int usb_devices_index; | |
4183 | ||
4184 | LIST_INIT (&vm_change_state_head); | |
4185 | #if !defined(CONFIG_SOFTMMU) | |
4186 | /* we never want that malloc() uses mmap() */ | |
4187 | mallopt(M_MMAP_THRESHOLD, 4096 * 1024); | |
4188 | #endif | |
4189 | register_machines(); | |
4190 | machine = first_machine; | |
4191 | initrd_filename = NULL; | |
4192 | for(i = 0; i < MAX_FD; i++) | |
4193 | fd_filename[i] = NULL; | |
4194 | for(i = 0; i < MAX_DISKS; i++) | |
4195 | hd_filename[i] = NULL; | |
4196 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
4197 | vga_ram_size = VGA_RAM_SIZE; | |
4198 | bios_size = BIOS_SIZE; | |
4199 | #ifdef CONFIG_GDBSTUB | |
4200 | use_gdbstub = 0; | |
4201 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
4202 | #endif | |
4203 | snapshot = 0; | |
4204 | nographic = 0; | |
4205 | kernel_filename = NULL; | |
4206 | kernel_cmdline = ""; | |
4207 | #ifdef TARGET_PPC | |
4208 | cdrom_index = 1; | |
4209 | #else | |
4210 | cdrom_index = 2; | |
4211 | #endif | |
4212 | cyls = heads = secs = 0; | |
4213 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4214 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); | |
4215 | ||
4216 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); | |
4217 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
4218 | serial_devices[i][0] = '\0'; | |
4219 | serial_device_index = 0; | |
4220 | ||
4221 | pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); | |
4222 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
4223 | parallel_devices[i][0] = '\0'; | |
4224 | parallel_device_index = 0; | |
4225 | ||
4226 | usb_devices_index = 0; | |
4227 | ||
4228 | nb_net_clients = 0; | |
4229 | ||
4230 | nb_nics = 0; | |
4231 | /* default mac address of the first network interface */ | |
4232 | ||
4233 | optind = 1; | |
4234 | for(;;) { | |
4235 | if (optind >= argc) | |
4236 | break; | |
4237 | r = argv[optind]; | |
4238 | if (r[0] != '-') { | |
4239 | hd_filename[0] = argv[optind++]; | |
4240 | } else { | |
4241 | const QEMUOption *popt; | |
4242 | ||
4243 | optind++; | |
4244 | popt = qemu_options; | |
4245 | for(;;) { | |
4246 | if (!popt->name) { | |
4247 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
4248 | argv[0], r); | |
4249 | exit(1); | |
4250 | } | |
4251 | if (!strcmp(popt->name, r + 1)) | |
4252 | break; | |
4253 | popt++; | |
4254 | } | |
4255 | if (popt->flags & HAS_ARG) { | |
4256 | if (optind >= argc) { | |
4257 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4258 | argv[0], r); | |
4259 | exit(1); | |
4260 | } | |
4261 | optarg = argv[optind++]; | |
4262 | } else { | |
4263 | optarg = NULL; | |
4264 | } | |
4265 | ||
4266 | switch(popt->index) { | |
4267 | case QEMU_OPTION_M: | |
4268 | machine = find_machine(optarg); | |
4269 | if (!machine) { | |
4270 | QEMUMachine *m; | |
4271 | printf("Supported machines are:\n"); | |
4272 | for(m = first_machine; m != NULL; m = m->next) { | |
4273 | printf("%-10s %s%s\n", | |
4274 | m->name, m->desc, | |
4275 | m == first_machine ? " (default)" : ""); | |
4276 | } | |
4277 | exit(1); | |
4278 | } | |
4279 | break; | |
4280 | case QEMU_OPTION_initrd: | |
4281 | initrd_filename = optarg; | |
4282 | break; | |
4283 | case QEMU_OPTION_hda: | |
4284 | case QEMU_OPTION_hdb: | |
4285 | case QEMU_OPTION_hdc: | |
4286 | case QEMU_OPTION_hdd: | |
4287 | { | |
4288 | int hd_index; | |
4289 | hd_index = popt->index - QEMU_OPTION_hda; | |
4290 | hd_filename[hd_index] = optarg; | |
4291 | if (hd_index == cdrom_index) | |
4292 | cdrom_index = -1; | |
4293 | } | |
4294 | break; | |
4295 | case QEMU_OPTION_snapshot: | |
4296 | snapshot = 1; | |
4297 | break; | |
4298 | case QEMU_OPTION_hdachs: | |
4299 | { | |
4300 | const char *p; | |
4301 | p = optarg; | |
4302 | cyls = strtol(p, (char **)&p, 0); | |
4303 | if (cyls < 1 || cyls > 16383) | |
4304 | goto chs_fail; | |
4305 | if (*p != ',') | |
4306 | goto chs_fail; | |
4307 | p++; | |
4308 | heads = strtol(p, (char **)&p, 0); | |
4309 | if (heads < 1 || heads > 16) | |
4310 | goto chs_fail; | |
4311 | if (*p != ',') | |
4312 | goto chs_fail; | |
4313 | p++; | |
4314 | secs = strtol(p, (char **)&p, 0); | |
4315 | if (secs < 1 || secs > 63) | |
4316 | goto chs_fail; | |
4317 | if (*p == ',') { | |
4318 | p++; | |
4319 | if (!strcmp(p, "none")) | |
4320 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4321 | else if (!strcmp(p, "lba")) | |
4322 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4323 | else if (!strcmp(p, "auto")) | |
4324 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4325 | else | |
4326 | goto chs_fail; | |
4327 | } else if (*p != '\0') { | |
4328 | chs_fail: | |
4329 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
4330 | exit(1); | |
4331 | } | |
4332 | } | |
4333 | break; | |
4334 | case QEMU_OPTION_nographic: | |
4335 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); | |
4336 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); | |
4337 | nographic = 1; | |
4338 | break; | |
4339 | case QEMU_OPTION_kernel: | |
4340 | kernel_filename = optarg; | |
4341 | break; | |
4342 | case QEMU_OPTION_append: | |
4343 | kernel_cmdline = optarg; | |
4344 | break; | |
4345 | case QEMU_OPTION_cdrom: | |
4346 | if (cdrom_index >= 0) { | |
4347 | hd_filename[cdrom_index] = optarg; | |
4348 | } | |
4349 | break; | |
4350 | case QEMU_OPTION_boot: | |
4351 | boot_device = optarg[0]; | |
4352 | if (boot_device != 'a' && | |
4353 | #ifdef TARGET_SPARC | |
4354 | // Network boot | |
4355 | boot_device != 'n' && | |
4356 | #endif | |
4357 | boot_device != 'c' && boot_device != 'd') { | |
4358 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); | |
4359 | exit(1); | |
4360 | } | |
4361 | break; | |
4362 | case QEMU_OPTION_fda: | |
4363 | fd_filename[0] = optarg; | |
4364 | break; | |
4365 | case QEMU_OPTION_fdb: | |
4366 | fd_filename[1] = optarg; | |
4367 | break; | |
4368 | case QEMU_OPTION_no_code_copy: | |
4369 | code_copy_enabled = 0; | |
4370 | break; | |
4371 | case QEMU_OPTION_net: | |
4372 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
4373 | fprintf(stderr, "qemu: too many network clients\n"); | |
4374 | exit(1); | |
4375 | } | |
4376 | pstrcpy(net_clients[nb_net_clients], | |
4377 | sizeof(net_clients[0]), | |
4378 | optarg); | |
4379 | nb_net_clients++; | |
4380 | break; | |
4381 | #ifdef CONFIG_SLIRP | |
4382 | case QEMU_OPTION_tftp: | |
4383 | tftp_prefix = optarg; | |
4384 | break; | |
4385 | #ifndef _WIN32 | |
4386 | case QEMU_OPTION_smb: | |
4387 | net_slirp_smb(optarg); | |
4388 | break; | |
4389 | #endif | |
4390 | case QEMU_OPTION_redir: | |
4391 | net_slirp_redir(optarg); | |
4392 | break; | |
4393 | #endif | |
4394 | #ifdef HAS_AUDIO | |
4395 | case QEMU_OPTION_enable_audio: | |
4396 | audio_enabled = 1; | |
4397 | sb16_enabled = 1; | |
4398 | adlib_enabled = 1; | |
4399 | gus_enabled = 1; | |
4400 | es1370_enabled = 1; | |
4401 | break; | |
4402 | case QEMU_OPTION_audio_help: | |
4403 | AUD_help (); | |
4404 | exit (0); | |
4405 | break; | |
4406 | case QEMU_OPTION_soundhw: | |
4407 | select_soundhw (optarg); | |
4408 | break; | |
4409 | #endif | |
4410 | case QEMU_OPTION_h: | |
4411 | help(); | |
4412 | break; | |
4413 | case QEMU_OPTION_m: | |
4414 | ram_size = atoi(optarg) * 1024 * 1024; | |
4415 | if (ram_size <= 0) | |
4416 | help(); | |
4417 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
4418 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
4419 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
4420 | exit(1); | |
4421 | } | |
4422 | break; | |
4423 | case QEMU_OPTION_d: | |
4424 | { | |
4425 | int mask; | |
4426 | CPULogItem *item; | |
4427 | ||
4428 | mask = cpu_str_to_log_mask(optarg); | |
4429 | if (!mask) { | |
4430 | printf("Log items (comma separated):\n"); | |
4431 | for(item = cpu_log_items; item->mask != 0; item++) { | |
4432 | printf("%-10s %s\n", item->name, item->help); | |
4433 | } | |
4434 | exit(1); | |
4435 | } | |
4436 | cpu_set_log(mask); | |
4437 | } | |
4438 | break; | |
4439 | #ifdef CONFIG_GDBSTUB | |
4440 | case QEMU_OPTION_s: | |
4441 | use_gdbstub = 1; | |
4442 | break; | |
4443 | case QEMU_OPTION_p: | |
4444 | gdbstub_port = atoi(optarg); | |
4445 | break; | |
4446 | #endif | |
4447 | case QEMU_OPTION_L: | |
4448 | bios_dir = optarg; | |
4449 | break; | |
4450 | case QEMU_OPTION_S: | |
4451 | start_emulation = 0; | |
4452 | break; | |
4453 | case QEMU_OPTION_k: | |
4454 | keyboard_layout = optarg; | |
4455 | break; | |
4456 | case QEMU_OPTION_localtime: | |
4457 | rtc_utc = 0; | |
4458 | break; | |
4459 | case QEMU_OPTION_cirrusvga: | |
4460 | cirrus_vga_enabled = 1; | |
4461 | break; | |
4462 | case QEMU_OPTION_std_vga: | |
4463 | cirrus_vga_enabled = 0; | |
4464 | break; | |
4465 | case QEMU_OPTION_g: | |
4466 | { | |
4467 | const char *p; | |
4468 | int w, h, depth; | |
4469 | p = optarg; | |
4470 | w = strtol(p, (char **)&p, 10); | |
4471 | if (w <= 0) { | |
4472 | graphic_error: | |
4473 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
4474 | exit(1); | |
4475 | } | |
4476 | if (*p != 'x') | |
4477 | goto graphic_error; | |
4478 | p++; | |
4479 | h = strtol(p, (char **)&p, 10); | |
4480 | if (h <= 0) | |
4481 | goto graphic_error; | |
4482 | if (*p == 'x') { | |
4483 | p++; | |
4484 | depth = strtol(p, (char **)&p, 10); | |
4485 | if (depth != 8 && depth != 15 && depth != 16 && | |
4486 | depth != 24 && depth != 32) | |
4487 | goto graphic_error; | |
4488 | } else if (*p == '\0') { | |
4489 | depth = graphic_depth; | |
4490 | } else { | |
4491 | goto graphic_error; | |
4492 | } | |
4493 | ||
4494 | graphic_width = w; | |
4495 | graphic_height = h; | |
4496 | graphic_depth = depth; | |
4497 | } | |
4498 | break; | |
4499 | case QEMU_OPTION_monitor: | |
4500 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
4501 | break; | |
4502 | case QEMU_OPTION_serial: | |
4503 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
4504 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4505 | exit(1); | |
4506 | } | |
4507 | pstrcpy(serial_devices[serial_device_index], | |
4508 | sizeof(serial_devices[0]), optarg); | |
4509 | serial_device_index++; | |
4510 | break; | |
4511 | case QEMU_OPTION_parallel: | |
4512 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
4513 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4514 | exit(1); | |
4515 | } | |
4516 | pstrcpy(parallel_devices[parallel_device_index], | |
4517 | sizeof(parallel_devices[0]), optarg); | |
4518 | parallel_device_index++; | |
4519 | break; | |
4520 | case QEMU_OPTION_loadvm: | |
4521 | loadvm = optarg; | |
4522 | break; | |
4523 | case QEMU_OPTION_full_screen: | |
4524 | full_screen = 1; | |
4525 | break; | |
4526 | case QEMU_OPTION_pidfile: | |
4527 | create_pidfile(optarg); | |
4528 | break; | |
4529 | #ifdef TARGET_I386 | |
4530 | case QEMU_OPTION_win2k_hack: | |
4531 | win2k_install_hack = 1; | |
4532 | break; | |
4533 | #endif | |
4534 | #ifdef USE_KQEMU | |
4535 | case QEMU_OPTION_no_kqemu: | |
4536 | kqemu_allowed = 0; | |
4537 | break; | |
4538 | #endif | |
4539 | case QEMU_OPTION_usb: | |
4540 | usb_enabled = 1; | |
4541 | break; | |
4542 | case QEMU_OPTION_usbdevice: | |
4543 | usb_enabled = 1; | |
4544 | if (usb_devices_index >= MAX_VM_USB_PORTS) { | |
4545 | fprintf(stderr, "Too many USB devices\n"); | |
4546 | exit(1); | |
4547 | } | |
4548 | pstrcpy(usb_devices[usb_devices_index], | |
4549 | sizeof(usb_devices[usb_devices_index]), | |
4550 | optarg); | |
4551 | usb_devices_index++; | |
4552 | break; | |
4553 | case QEMU_OPTION_smp: | |
4554 | smp_cpus = atoi(optarg); | |
4555 | if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { | |
4556 | fprintf(stderr, "Invalid number of CPUs\n"); | |
4557 | exit(1); | |
4558 | } | |
4559 | break; | |
4560 | } | |
4561 | } | |
4562 | } | |
4563 | ||
4564 | linux_boot = (kernel_filename != NULL); | |
4565 | ||
4566 | if (!linux_boot && | |
4567 | hd_filename[0] == '\0' && | |
4568 | (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && | |
4569 | fd_filename[0] == '\0') | |
4570 | help(); | |
4571 | ||
4572 | /* boot to cd by default if no hard disk */ | |
4573 | if (hd_filename[0] == '\0' && boot_device == 'c') { | |
4574 | if (fd_filename[0] != '\0') | |
4575 | boot_device = 'a'; | |
4576 | else | |
4577 | boot_device = 'd'; | |
4578 | } | |
4579 | ||
4580 | #if !defined(CONFIG_SOFTMMU) | |
4581 | /* must avoid mmap() usage of glibc by setting a buffer "by hand" */ | |
4582 | { | |
4583 | static uint8_t stdout_buf[4096]; | |
4584 | setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf)); | |
4585 | } | |
4586 | #else | |
4587 | setvbuf(stdout, NULL, _IOLBF, 0); | |
4588 | #endif | |
4589 | ||
4590 | /* init network clients */ | |
4591 | if (nb_net_clients == 0) { | |
4592 | /* if no clients, we use a default config */ | |
4593 | pstrcpy(net_clients[0], sizeof(net_clients[0]), | |
4594 | "nic"); | |
4595 | pstrcpy(net_clients[1], sizeof(net_clients[0]), | |
4596 | "user"); | |
4597 | nb_net_clients = 2; | |
4598 | } | |
4599 | ||
4600 | for(i = 0;i < nb_net_clients; i++) { | |
4601 | if (net_client_init(net_clients[i]) < 0) | |
4602 | exit(1); | |
4603 | } | |
4604 | ||
4605 | /* init the memory */ | |
4606 | phys_ram_size = ram_size + vga_ram_size + bios_size; | |
4607 | ||
4608 | #ifdef CONFIG_SOFTMMU | |
4609 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
4610 | if (!phys_ram_base) { | |
4611 | fprintf(stderr, "Could not allocate physical memory\n"); | |
4612 | exit(1); | |
4613 | } | |
4614 | #else | |
4615 | /* as we must map the same page at several addresses, we must use | |
4616 | a fd */ | |
4617 | { | |
4618 | const char *tmpdir; | |
4619 | ||
4620 | tmpdir = getenv("QEMU_TMPDIR"); | |
4621 | if (!tmpdir) | |
4622 | tmpdir = "/tmp"; | |
4623 | snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); | |
4624 | if (mkstemp(phys_ram_file) < 0) { | |
4625 | fprintf(stderr, "Could not create temporary memory file '%s'\n", | |
4626 | phys_ram_file); | |
4627 | exit(1); | |
4628 | } | |
4629 | phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
4630 | if (phys_ram_fd < 0) { | |
4631 | fprintf(stderr, "Could not open temporary memory file '%s'\n", | |
4632 | phys_ram_file); | |
4633 | exit(1); | |
4634 | } | |
4635 | ftruncate(phys_ram_fd, phys_ram_size); | |
4636 | unlink(phys_ram_file); | |
4637 | phys_ram_base = mmap(get_mmap_addr(phys_ram_size), | |
4638 | phys_ram_size, | |
4639 | PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, | |
4640 | phys_ram_fd, 0); | |
4641 | if (phys_ram_base == MAP_FAILED) { | |
4642 | fprintf(stderr, "Could not map physical memory\n"); | |
4643 | exit(1); | |
4644 | } | |
4645 | } | |
4646 | #endif | |
4647 | ||
4648 | /* we always create the cdrom drive, even if no disk is there */ | |
4649 | bdrv_init(); | |
4650 | if (cdrom_index >= 0) { | |
4651 | bs_table[cdrom_index] = bdrv_new("cdrom"); | |
4652 | bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); | |
4653 | } | |
4654 | ||
4655 | /* open the virtual block devices */ | |
4656 | for(i = 0; i < MAX_DISKS; i++) { | |
4657 | if (hd_filename[i]) { | |
4658 | if (!bs_table[i]) { | |
4659 | char buf[64]; | |
4660 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
4661 | bs_table[i] = bdrv_new(buf); | |
4662 | } | |
4663 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { | |
4664 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", | |
4665 | hd_filename[i]); | |
4666 | exit(1); | |
4667 | } | |
4668 | if (i == 0 && cyls != 0) { | |
4669 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
4670 | bdrv_set_translation_hint(bs_table[i], translation); | |
4671 | } | |
4672 | } | |
4673 | } | |
4674 | ||
4675 | /* we always create at least one floppy disk */ | |
4676 | fd_table[0] = bdrv_new("fda"); | |
4677 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
4678 | ||
4679 | for(i = 0; i < MAX_FD; i++) { | |
4680 | if (fd_filename[i]) { | |
4681 | if (!fd_table[i]) { | |
4682 | char buf[64]; | |
4683 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
4684 | fd_table[i] = bdrv_new(buf); | |
4685 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
4686 | } | |
4687 | if (fd_filename[i] != '\0') { | |
4688 | if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { | |
4689 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", | |
4690 | fd_filename[i]); | |
4691 | exit(1); | |
4692 | } | |
4693 | } | |
4694 | } | |
4695 | } | |
4696 | ||
4697 | /* init USB devices */ | |
4698 | if (usb_enabled) { | |
4699 | vm_usb_hub = usb_hub_init(vm_usb_ports, MAX_VM_USB_PORTS); | |
4700 | for(i = 0; i < usb_devices_index; i++) { | |
4701 | if (usb_device_add(usb_devices[i]) < 0) { | |
4702 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
4703 | usb_devices[i]); | |
4704 | } | |
4705 | } | |
4706 | } | |
4707 | ||
4708 | register_savevm("timer", 0, 1, timer_save, timer_load, NULL); | |
4709 | register_savevm("ram", 0, 1, ram_save, ram_load, NULL); | |
4710 | ||
4711 | init_ioports(); | |
4712 | cpu_calibrate_ticks(); | |
4713 | ||
4714 | /* terminal init */ | |
4715 | if (nographic) { | |
4716 | dumb_display_init(ds); | |
4717 | } else { | |
4718 | #if defined(CONFIG_SDL) | |
4719 | sdl_display_init(ds, full_screen); | |
4720 | #elif defined(CONFIG_COCOA) | |
4721 | cocoa_display_init(ds, full_screen); | |
4722 | #else | |
4723 | dumb_display_init(ds); | |
4724 | #endif | |
4725 | } | |
4726 | ||
4727 | vga_console = graphic_console_init(ds); | |
4728 | ||
4729 | monitor_hd = qemu_chr_open(monitor_device); | |
4730 | if (!monitor_hd) { | |
4731 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
4732 | exit(1); | |
4733 | } | |
4734 | monitor_init(monitor_hd, !nographic); | |
4735 | ||
4736 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
4737 | if (serial_devices[i][0] != '\0') { | |
4738 | serial_hds[i] = qemu_chr_open(serial_devices[i]); | |
4739 | if (!serial_hds[i]) { | |
4740 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
4741 | serial_devices[i]); | |
4742 | exit(1); | |
4743 | } | |
4744 | if (!strcmp(serial_devices[i], "vc")) | |
4745 | qemu_chr_printf(serial_hds[i], "serial%d console\n", i); | |
4746 | } | |
4747 | } | |
4748 | ||
4749 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
4750 | if (parallel_devices[i][0] != '\0') { | |
4751 | parallel_hds[i] = qemu_chr_open(parallel_devices[i]); | |
4752 | if (!parallel_hds[i]) { | |
4753 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
4754 | parallel_devices[i]); | |
4755 | exit(1); | |
4756 | } | |
4757 | if (!strcmp(parallel_devices[i], "vc")) | |
4758 | qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i); | |
4759 | } | |
4760 | } | |
4761 | ||
4762 | /* setup cpu signal handlers for MMU / self modifying code handling */ | |
4763 | #if !defined(CONFIG_SOFTMMU) | |
4764 | ||
4765 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
4766 | { | |
4767 | stack_t stk; | |
4768 | signal_stack = memalign(16, SIGNAL_STACK_SIZE); | |
4769 | stk.ss_sp = signal_stack; | |
4770 | stk.ss_size = SIGNAL_STACK_SIZE; | |
4771 | stk.ss_flags = 0; | |
4772 | ||
4773 | if (sigaltstack(&stk, NULL) < 0) { | |
4774 | perror("sigaltstack"); | |
4775 | exit(1); | |
4776 | } | |
4777 | } | |
4778 | #endif | |
4779 | { | |
4780 | struct sigaction act; | |
4781 | ||
4782 | sigfillset(&act.sa_mask); | |
4783 | act.sa_flags = SA_SIGINFO; | |
4784 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
4785 | act.sa_flags |= SA_ONSTACK; | |
4786 | #endif | |
4787 | act.sa_sigaction = host_segv_handler; | |
4788 | sigaction(SIGSEGV, &act, NULL); | |
4789 | sigaction(SIGBUS, &act, NULL); | |
4790 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
4791 | sigaction(SIGFPE, &act, NULL); | |
4792 | #endif | |
4793 | } | |
4794 | #endif | |
4795 | ||
4796 | #ifndef _WIN32 | |
4797 | { | |
4798 | struct sigaction act; | |
4799 | sigfillset(&act.sa_mask); | |
4800 | act.sa_flags = 0; | |
4801 | act.sa_handler = SIG_IGN; | |
4802 | sigaction(SIGPIPE, &act, NULL); | |
4803 | } | |
4804 | #endif | |
4805 | init_timers(); | |
4806 | ||
4807 | machine->init(ram_size, vga_ram_size, boot_device, | |
4808 | ds, fd_filename, snapshot, | |
4809 | kernel_filename, kernel_cmdline, initrd_filename); | |
4810 | ||
4811 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); | |
4812 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
4813 | ||
4814 | #ifdef CONFIG_GDBSTUB | |
4815 | if (use_gdbstub) { | |
4816 | if (gdbserver_start(gdbstub_port) < 0) { | |
4817 | fprintf(stderr, "Could not open gdbserver socket on port %d\n", | |
4818 | gdbstub_port); | |
4819 | exit(1); | |
4820 | } else { | |
4821 | printf("Waiting gdb connection on port %d\n", gdbstub_port); | |
4822 | } | |
4823 | } else | |
4824 | #endif | |
4825 | if (loadvm) | |
4826 | qemu_loadvm(loadvm); | |
4827 | ||
4828 | { | |
4829 | /* XXX: simplify init */ | |
4830 | read_passwords(); | |
4831 | if (start_emulation) { | |
4832 | vm_start(); | |
4833 | } | |
4834 | } | |
4835 | main_loop(); | |
4836 | quit_timers(); | |
4837 | return 0; | |
4838 | } |