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1 | /* | |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2007 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 | #include <zlib.h> | |
33 | ||
34 | #ifndef _WIN32 | |
35 | #include <sys/times.h> | |
36 | #include <sys/wait.h> | |
37 | #include <termios.h> | |
38 | #include <sys/poll.h> | |
39 | #include <sys/mman.h> | |
40 | #include <sys/ioctl.h> | |
41 | #include <sys/socket.h> | |
42 | #include <netinet/in.h> | |
43 | #include <dirent.h> | |
44 | #include <netdb.h> | |
45 | #ifdef _BSD | |
46 | #include <sys/stat.h> | |
47 | #ifndef __APPLE__ | |
48 | #include <libutil.h> | |
49 | #endif | |
50 | #else | |
51 | #ifndef __sun__ | |
52 | #include <linux/if.h> | |
53 | #include <linux/if_tun.h> | |
54 | #include <pty.h> | |
55 | #include <malloc.h> | |
56 | #include <linux/rtc.h> | |
57 | #include <linux/ppdev.h> | |
58 | #include <linux/parport.h> | |
59 | #else | |
60 | #include <sys/stat.h> | |
61 | #include <sys/ethernet.h> | |
62 | #include <sys/sockio.h> | |
63 | #include <arpa/inet.h> | |
64 | #include <netinet/arp.h> | |
65 | #include <netinet/in.h> | |
66 | #include <netinet/in_systm.h> | |
67 | #include <netinet/ip.h> | |
68 | #include <netinet/ip_icmp.h> // must come after ip.h | |
69 | #include <netinet/udp.h> | |
70 | #include <netinet/tcp.h> | |
71 | #include <net/if.h> | |
72 | #include <syslog.h> | |
73 | #include <stropts.h> | |
74 | #endif | |
75 | #endif | |
76 | #endif | |
77 | ||
78 | #if defined(CONFIG_SLIRP) | |
79 | #include "libslirp.h" | |
80 | #endif | |
81 | ||
82 | #ifdef _WIN32 | |
83 | #include <malloc.h> | |
84 | #include <sys/timeb.h> | |
85 | #include <windows.h> | |
86 | #define getopt_long_only getopt_long | |
87 | #define memalign(align, size) malloc(size) | |
88 | #endif | |
89 | ||
90 | #include "qemu_socket.h" | |
91 | ||
92 | #ifdef CONFIG_SDL | |
93 | #ifdef __APPLE__ | |
94 | #include <SDL/SDL.h> | |
95 | #endif | |
96 | #endif /* CONFIG_SDL */ | |
97 | ||
98 | #ifdef CONFIG_COCOA | |
99 | #undef main | |
100 | #define main qemu_main | |
101 | #endif /* CONFIG_COCOA */ | |
102 | ||
103 | #include "disas.h" | |
104 | ||
105 | #include "exec-all.h" | |
106 | ||
107 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
108 | #ifdef __sun__ | |
109 | #define SMBD_COMMAND "/usr/sfw/sbin/smbd" | |
110 | #else | |
111 | #define SMBD_COMMAND "/usr/sbin/smbd" | |
112 | #endif | |
113 | ||
114 | //#define DEBUG_UNUSED_IOPORT | |
115 | //#define DEBUG_IOPORT | |
116 | ||
117 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
118 | ||
119 | #ifdef TARGET_PPC | |
120 | #define DEFAULT_RAM_SIZE 144 | |
121 | #else | |
122 | #define DEFAULT_RAM_SIZE 128 | |
123 | #endif | |
124 | /* in ms */ | |
125 | #define GUI_REFRESH_INTERVAL 30 | |
126 | ||
127 | /* Max number of USB devices that can be specified on the commandline. */ | |
128 | #define MAX_USB_CMDLINE 8 | |
129 | ||
130 | /* XXX: use a two level table to limit memory usage */ | |
131 | #define MAX_IOPORTS 65536 | |
132 | ||
133 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
134 | char phys_ram_file[1024]; | |
135 | void *ioport_opaque[MAX_IOPORTS]; | |
136 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
137 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
138 | /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available | |
139 | to store the VM snapshots */ | |
140 | BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD]; | |
141 | /* point to the block driver where the snapshots are managed */ | |
142 | BlockDriverState *bs_snapshots; | |
143 | int vga_ram_size; | |
144 | static DisplayState display_state; | |
145 | int nographic; | |
146 | const char* keyboard_layout = NULL; | |
147 | int64_t ticks_per_sec; | |
148 | int boot_device = 'c'; | |
149 | int ram_size; | |
150 | int pit_min_timer_count = 0; | |
151 | int nb_nics; | |
152 | NICInfo nd_table[MAX_NICS]; | |
153 | QEMUTimer *gui_timer; | |
154 | int vm_running; | |
155 | int rtc_utc = 1; | |
156 | int cirrus_vga_enabled = 1; | |
157 | #ifdef TARGET_SPARC | |
158 | int graphic_width = 1024; | |
159 | int graphic_height = 768; | |
160 | #else | |
161 | int graphic_width = 800; | |
162 | int graphic_height = 600; | |
163 | #endif | |
164 | int graphic_depth = 15; | |
165 | int full_screen = 0; | |
166 | int no_frame = 0; | |
167 | int no_quit = 0; | |
168 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
169 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
170 | #ifdef TARGET_I386 | |
171 | int win2k_install_hack = 0; | |
172 | #endif | |
173 | int usb_enabled = 0; | |
174 | static VLANState *first_vlan; | |
175 | int smp_cpus = 1; | |
176 | const char *vnc_display; | |
177 | #if defined(TARGET_SPARC) | |
178 | #define MAX_CPUS 16 | |
179 | #elif defined(TARGET_I386) | |
180 | #define MAX_CPUS 255 | |
181 | #else | |
182 | #define MAX_CPUS 1 | |
183 | #endif | |
184 | int acpi_enabled = 1; | |
185 | int fd_bootchk = 1; | |
186 | int no_reboot = 0; | |
187 | int daemonize = 0; | |
188 | const char *option_rom[MAX_OPTION_ROMS]; | |
189 | int nb_option_roms; | |
190 | int semihosting_enabled = 0; | |
191 | int autostart = 1; | |
192 | const char *qemu_name; | |
193 | ||
194 | /***********************************************************/ | |
195 | /* x86 ISA bus support */ | |
196 | ||
197 | target_phys_addr_t isa_mem_base = 0; | |
198 | PicState2 *isa_pic; | |
199 | ||
200 | uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
201 | { | |
202 | #ifdef DEBUG_UNUSED_IOPORT | |
203 | fprintf(stderr, "unused inb: port=0x%04x\n", address); | |
204 | #endif | |
205 | return 0xff; | |
206 | } | |
207 | ||
208 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
209 | { | |
210 | #ifdef DEBUG_UNUSED_IOPORT | |
211 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); | |
212 | #endif | |
213 | } | |
214 | ||
215 | /* default is to make two byte accesses */ | |
216 | uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
217 | { | |
218 | uint32_t data; | |
219 | data = ioport_read_table[0][address](ioport_opaque[address], address); | |
220 | address = (address + 1) & (MAX_IOPORTS - 1); | |
221 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
222 | return data; | |
223 | } | |
224 | ||
225 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
226 | { | |
227 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); | |
228 | address = (address + 1) & (MAX_IOPORTS - 1); | |
229 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
230 | } | |
231 | ||
232 | uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
233 | { | |
234 | #ifdef DEBUG_UNUSED_IOPORT | |
235 | fprintf(stderr, "unused inl: port=0x%04x\n", address); | |
236 | #endif | |
237 | return 0xffffffff; | |
238 | } | |
239 | ||
240 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
241 | { | |
242 | #ifdef DEBUG_UNUSED_IOPORT | |
243 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); | |
244 | #endif | |
245 | } | |
246 | ||
247 | void init_ioports(void) | |
248 | { | |
249 | int i; | |
250 | ||
251 | for(i = 0; i < MAX_IOPORTS; i++) { | |
252 | ioport_read_table[0][i] = default_ioport_readb; | |
253 | ioport_write_table[0][i] = default_ioport_writeb; | |
254 | ioport_read_table[1][i] = default_ioport_readw; | |
255 | ioport_write_table[1][i] = default_ioport_writew; | |
256 | ioport_read_table[2][i] = default_ioport_readl; | |
257 | ioport_write_table[2][i] = default_ioport_writel; | |
258 | } | |
259 | } | |
260 | ||
261 | /* size is the word size in byte */ | |
262 | int register_ioport_read(int start, int length, int size, | |
263 | IOPortReadFunc *func, void *opaque) | |
264 | { | |
265 | int i, bsize; | |
266 | ||
267 | if (size == 1) { | |
268 | bsize = 0; | |
269 | } else if (size == 2) { | |
270 | bsize = 1; | |
271 | } else if (size == 4) { | |
272 | bsize = 2; | |
273 | } else { | |
274 | hw_error("register_ioport_read: invalid size"); | |
275 | return -1; | |
276 | } | |
277 | for(i = start; i < start + length; i += size) { | |
278 | ioport_read_table[bsize][i] = func; | |
279 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
280 | hw_error("register_ioport_read: invalid opaque"); | |
281 | ioport_opaque[i] = opaque; | |
282 | } | |
283 | return 0; | |
284 | } | |
285 | ||
286 | /* size is the word size in byte */ | |
287 | int register_ioport_write(int start, int length, int size, | |
288 | IOPortWriteFunc *func, void *opaque) | |
289 | { | |
290 | int i, bsize; | |
291 | ||
292 | if (size == 1) { | |
293 | bsize = 0; | |
294 | } else if (size == 2) { | |
295 | bsize = 1; | |
296 | } else if (size == 4) { | |
297 | bsize = 2; | |
298 | } else { | |
299 | hw_error("register_ioport_write: invalid size"); | |
300 | return -1; | |
301 | } | |
302 | for(i = start; i < start + length; i += size) { | |
303 | ioport_write_table[bsize][i] = func; | |
304 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
305 | hw_error("register_ioport_write: invalid opaque"); | |
306 | ioport_opaque[i] = opaque; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
311 | void isa_unassign_ioport(int start, int length) | |
312 | { | |
313 | int i; | |
314 | ||
315 | for(i = start; i < start + length; i++) { | |
316 | ioport_read_table[0][i] = default_ioport_readb; | |
317 | ioport_read_table[1][i] = default_ioport_readw; | |
318 | ioport_read_table[2][i] = default_ioport_readl; | |
319 | ||
320 | ioport_write_table[0][i] = default_ioport_writeb; | |
321 | ioport_write_table[1][i] = default_ioport_writew; | |
322 | ioport_write_table[2][i] = default_ioport_writel; | |
323 | } | |
324 | } | |
325 | ||
326 | /***********************************************************/ | |
327 | ||
328 | void cpu_outb(CPUState *env, int addr, int val) | |
329 | { | |
330 | #ifdef DEBUG_IOPORT | |
331 | if (loglevel & CPU_LOG_IOPORT) | |
332 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
333 | #endif | |
334 | ioport_write_table[0][addr](ioport_opaque[addr], addr, val); | |
335 | #ifdef USE_KQEMU | |
336 | if (env) | |
337 | env->last_io_time = cpu_get_time_fast(); | |
338 | #endif | |
339 | } | |
340 | ||
341 | void cpu_outw(CPUState *env, int addr, int val) | |
342 | { | |
343 | #ifdef DEBUG_IOPORT | |
344 | if (loglevel & CPU_LOG_IOPORT) | |
345 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
346 | #endif | |
347 | ioport_write_table[1][addr](ioport_opaque[addr], addr, val); | |
348 | #ifdef USE_KQEMU | |
349 | if (env) | |
350 | env->last_io_time = cpu_get_time_fast(); | |
351 | #endif | |
352 | } | |
353 | ||
354 | void cpu_outl(CPUState *env, int addr, int val) | |
355 | { | |
356 | #ifdef DEBUG_IOPORT | |
357 | if (loglevel & CPU_LOG_IOPORT) | |
358 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
359 | #endif | |
360 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
361 | #ifdef USE_KQEMU | |
362 | if (env) | |
363 | env->last_io_time = cpu_get_time_fast(); | |
364 | #endif | |
365 | } | |
366 | ||
367 | int cpu_inb(CPUState *env, int addr) | |
368 | { | |
369 | int val; | |
370 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
371 | #ifdef DEBUG_IOPORT | |
372 | if (loglevel & CPU_LOG_IOPORT) | |
373 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
374 | #endif | |
375 | #ifdef USE_KQEMU | |
376 | if (env) | |
377 | env->last_io_time = cpu_get_time_fast(); | |
378 | #endif | |
379 | return val; | |
380 | } | |
381 | ||
382 | int cpu_inw(CPUState *env, int addr) | |
383 | { | |
384 | int val; | |
385 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
386 | #ifdef DEBUG_IOPORT | |
387 | if (loglevel & CPU_LOG_IOPORT) | |
388 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
389 | #endif | |
390 | #ifdef USE_KQEMU | |
391 | if (env) | |
392 | env->last_io_time = cpu_get_time_fast(); | |
393 | #endif | |
394 | return val; | |
395 | } | |
396 | ||
397 | int cpu_inl(CPUState *env, int addr) | |
398 | { | |
399 | int val; | |
400 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
401 | #ifdef DEBUG_IOPORT | |
402 | if (loglevel & CPU_LOG_IOPORT) | |
403 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
404 | #endif | |
405 | #ifdef USE_KQEMU | |
406 | if (env) | |
407 | env->last_io_time = cpu_get_time_fast(); | |
408 | #endif | |
409 | return val; | |
410 | } | |
411 | ||
412 | /***********************************************************/ | |
413 | void hw_error(const char *fmt, ...) | |
414 | { | |
415 | va_list ap; | |
416 | CPUState *env; | |
417 | ||
418 | va_start(ap, fmt); | |
419 | fprintf(stderr, "qemu: hardware error: "); | |
420 | vfprintf(stderr, fmt, ap); | |
421 | fprintf(stderr, "\n"); | |
422 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
423 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
424 | #ifdef TARGET_I386 | |
425 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
426 | #else | |
427 | cpu_dump_state(env, stderr, fprintf, 0); | |
428 | #endif | |
429 | } | |
430 | va_end(ap); | |
431 | abort(); | |
432 | } | |
433 | ||
434 | /***********************************************************/ | |
435 | /* keyboard/mouse */ | |
436 | ||
437 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
438 | static void *qemu_put_kbd_event_opaque; | |
439 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
440 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
441 | ||
442 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
443 | { | |
444 | qemu_put_kbd_event_opaque = opaque; | |
445 | qemu_put_kbd_event = func; | |
446 | } | |
447 | ||
448 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
449 | void *opaque, int absolute, | |
450 | const char *name) | |
451 | { | |
452 | QEMUPutMouseEntry *s, *cursor; | |
453 | ||
454 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
455 | if (!s) | |
456 | return NULL; | |
457 | ||
458 | s->qemu_put_mouse_event = func; | |
459 | s->qemu_put_mouse_event_opaque = opaque; | |
460 | s->qemu_put_mouse_event_absolute = absolute; | |
461 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
462 | s->next = NULL; | |
463 | ||
464 | if (!qemu_put_mouse_event_head) { | |
465 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
466 | return s; | |
467 | } | |
468 | ||
469 | cursor = qemu_put_mouse_event_head; | |
470 | while (cursor->next != NULL) | |
471 | cursor = cursor->next; | |
472 | ||
473 | cursor->next = s; | |
474 | qemu_put_mouse_event_current = s; | |
475 | ||
476 | return s; | |
477 | } | |
478 | ||
479 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
480 | { | |
481 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
482 | ||
483 | if (!qemu_put_mouse_event_head || entry == NULL) | |
484 | return; | |
485 | ||
486 | cursor = qemu_put_mouse_event_head; | |
487 | while (cursor != NULL && cursor != entry) { | |
488 | prev = cursor; | |
489 | cursor = cursor->next; | |
490 | } | |
491 | ||
492 | if (cursor == NULL) // does not exist or list empty | |
493 | return; | |
494 | else if (prev == NULL) { // entry is head | |
495 | qemu_put_mouse_event_head = cursor->next; | |
496 | if (qemu_put_mouse_event_current == entry) | |
497 | qemu_put_mouse_event_current = cursor->next; | |
498 | qemu_free(entry->qemu_put_mouse_event_name); | |
499 | qemu_free(entry); | |
500 | return; | |
501 | } | |
502 | ||
503 | prev->next = entry->next; | |
504 | ||
505 | if (qemu_put_mouse_event_current == entry) | |
506 | qemu_put_mouse_event_current = prev; | |
507 | ||
508 | qemu_free(entry->qemu_put_mouse_event_name); | |
509 | qemu_free(entry); | |
510 | } | |
511 | ||
512 | void kbd_put_keycode(int keycode) | |
513 | { | |
514 | if (qemu_put_kbd_event) { | |
515 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
516 | } | |
517 | } | |
518 | ||
519 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
520 | { | |
521 | QEMUPutMouseEvent *mouse_event; | |
522 | void *mouse_event_opaque; | |
523 | ||
524 | if (!qemu_put_mouse_event_current) { | |
525 | return; | |
526 | } | |
527 | ||
528 | mouse_event = | |
529 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
530 | mouse_event_opaque = | |
531 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
532 | ||
533 | if (mouse_event) { | |
534 | mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state); | |
535 | } | |
536 | } | |
537 | ||
538 | int kbd_mouse_is_absolute(void) | |
539 | { | |
540 | if (!qemu_put_mouse_event_current) | |
541 | return 0; | |
542 | ||
543 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
544 | } | |
545 | ||
546 | void do_info_mice(void) | |
547 | { | |
548 | QEMUPutMouseEntry *cursor; | |
549 | int index = 0; | |
550 | ||
551 | if (!qemu_put_mouse_event_head) { | |
552 | term_printf("No mouse devices connected\n"); | |
553 | return; | |
554 | } | |
555 | ||
556 | term_printf("Mouse devices available:\n"); | |
557 | cursor = qemu_put_mouse_event_head; | |
558 | while (cursor != NULL) { | |
559 | term_printf("%c Mouse #%d: %s\n", | |
560 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
561 | index, cursor->qemu_put_mouse_event_name); | |
562 | index++; | |
563 | cursor = cursor->next; | |
564 | } | |
565 | } | |
566 | ||
567 | void do_mouse_set(int index) | |
568 | { | |
569 | QEMUPutMouseEntry *cursor; | |
570 | int i = 0; | |
571 | ||
572 | if (!qemu_put_mouse_event_head) { | |
573 | term_printf("No mouse devices connected\n"); | |
574 | return; | |
575 | } | |
576 | ||
577 | cursor = qemu_put_mouse_event_head; | |
578 | while (cursor != NULL && index != i) { | |
579 | i++; | |
580 | cursor = cursor->next; | |
581 | } | |
582 | ||
583 | if (cursor != NULL) | |
584 | qemu_put_mouse_event_current = cursor; | |
585 | else | |
586 | term_printf("Mouse at given index not found\n"); | |
587 | } | |
588 | ||
589 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
590 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
591 | { | |
592 | union { | |
593 | uint64_t ll; | |
594 | struct { | |
595 | #ifdef WORDS_BIGENDIAN | |
596 | uint32_t high, low; | |
597 | #else | |
598 | uint32_t low, high; | |
599 | #endif | |
600 | } l; | |
601 | } u, res; | |
602 | uint64_t rl, rh; | |
603 | ||
604 | u.ll = a; | |
605 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
606 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
607 | rh += (rl >> 32); | |
608 | res.l.high = rh / c; | |
609 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
610 | return res.ll; | |
611 | } | |
612 | ||
613 | /***********************************************************/ | |
614 | /* real time host monotonic timer */ | |
615 | ||
616 | #define QEMU_TIMER_BASE 1000000000LL | |
617 | ||
618 | #ifdef WIN32 | |
619 | ||
620 | static int64_t clock_freq; | |
621 | ||
622 | static void init_get_clock(void) | |
623 | { | |
624 | LARGE_INTEGER freq; | |
625 | int ret; | |
626 | ret = QueryPerformanceFrequency(&freq); | |
627 | if (ret == 0) { | |
628 | fprintf(stderr, "Could not calibrate ticks\n"); | |
629 | exit(1); | |
630 | } | |
631 | clock_freq = freq.QuadPart; | |
632 | } | |
633 | ||
634 | static int64_t get_clock(void) | |
635 | { | |
636 | LARGE_INTEGER ti; | |
637 | QueryPerformanceCounter(&ti); | |
638 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
639 | } | |
640 | ||
641 | #else | |
642 | ||
643 | static int use_rt_clock; | |
644 | ||
645 | static void init_get_clock(void) | |
646 | { | |
647 | use_rt_clock = 0; | |
648 | #if defined(__linux__) | |
649 | { | |
650 | struct timespec ts; | |
651 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
652 | use_rt_clock = 1; | |
653 | } | |
654 | } | |
655 | #endif | |
656 | } | |
657 | ||
658 | static int64_t get_clock(void) | |
659 | { | |
660 | #if defined(__linux__) | |
661 | if (use_rt_clock) { | |
662 | struct timespec ts; | |
663 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
664 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
665 | } else | |
666 | #endif | |
667 | { | |
668 | /* XXX: using gettimeofday leads to problems if the date | |
669 | changes, so it should be avoided. */ | |
670 | struct timeval tv; | |
671 | gettimeofday(&tv, NULL); | |
672 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
673 | } | |
674 | } | |
675 | ||
676 | #endif | |
677 | ||
678 | /***********************************************************/ | |
679 | /* guest cycle counter */ | |
680 | ||
681 | static int64_t cpu_ticks_prev; | |
682 | static int64_t cpu_ticks_offset; | |
683 | static int64_t cpu_clock_offset; | |
684 | static int cpu_ticks_enabled; | |
685 | ||
686 | /* return the host CPU cycle counter and handle stop/restart */ | |
687 | int64_t cpu_get_ticks(void) | |
688 | { | |
689 | if (!cpu_ticks_enabled) { | |
690 | return cpu_ticks_offset; | |
691 | } else { | |
692 | int64_t ticks; | |
693 | ticks = cpu_get_real_ticks(); | |
694 | if (cpu_ticks_prev > ticks) { | |
695 | /* Note: non increasing ticks may happen if the host uses | |
696 | software suspend */ | |
697 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
698 | } | |
699 | cpu_ticks_prev = ticks; | |
700 | return ticks + cpu_ticks_offset; | |
701 | } | |
702 | } | |
703 | ||
704 | /* return the host CPU monotonic timer and handle stop/restart */ | |
705 | static int64_t cpu_get_clock(void) | |
706 | { | |
707 | int64_t ti; | |
708 | if (!cpu_ticks_enabled) { | |
709 | return cpu_clock_offset; | |
710 | } else { | |
711 | ti = get_clock(); | |
712 | return ti + cpu_clock_offset; | |
713 | } | |
714 | } | |
715 | ||
716 | /* enable cpu_get_ticks() */ | |
717 | void cpu_enable_ticks(void) | |
718 | { | |
719 | if (!cpu_ticks_enabled) { | |
720 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
721 | cpu_clock_offset -= get_clock(); | |
722 | cpu_ticks_enabled = 1; | |
723 | } | |
724 | } | |
725 | ||
726 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
727 | cpu_get_ticks() after that. */ | |
728 | void cpu_disable_ticks(void) | |
729 | { | |
730 | if (cpu_ticks_enabled) { | |
731 | cpu_ticks_offset = cpu_get_ticks(); | |
732 | cpu_clock_offset = cpu_get_clock(); | |
733 | cpu_ticks_enabled = 0; | |
734 | } | |
735 | } | |
736 | ||
737 | /***********************************************************/ | |
738 | /* timers */ | |
739 | ||
740 | #define QEMU_TIMER_REALTIME 0 | |
741 | #define QEMU_TIMER_VIRTUAL 1 | |
742 | ||
743 | struct QEMUClock { | |
744 | int type; | |
745 | /* XXX: add frequency */ | |
746 | }; | |
747 | ||
748 | struct QEMUTimer { | |
749 | QEMUClock *clock; | |
750 | int64_t expire_time; | |
751 | QEMUTimerCB *cb; | |
752 | void *opaque; | |
753 | struct QEMUTimer *next; | |
754 | }; | |
755 | ||
756 | QEMUClock *rt_clock; | |
757 | QEMUClock *vm_clock; | |
758 | ||
759 | static QEMUTimer *active_timers[2]; | |
760 | #ifdef _WIN32 | |
761 | static MMRESULT timerID; | |
762 | static HANDLE host_alarm = NULL; | |
763 | static unsigned int period = 1; | |
764 | #else | |
765 | /* frequency of the times() clock tick */ | |
766 | static int timer_freq; | |
767 | #endif | |
768 | ||
769 | QEMUClock *qemu_new_clock(int type) | |
770 | { | |
771 | QEMUClock *clock; | |
772 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
773 | if (!clock) | |
774 | return NULL; | |
775 | clock->type = type; | |
776 | return clock; | |
777 | } | |
778 | ||
779 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
780 | { | |
781 | QEMUTimer *ts; | |
782 | ||
783 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
784 | ts->clock = clock; | |
785 | ts->cb = cb; | |
786 | ts->opaque = opaque; | |
787 | return ts; | |
788 | } | |
789 | ||
790 | void qemu_free_timer(QEMUTimer *ts) | |
791 | { | |
792 | qemu_free(ts); | |
793 | } | |
794 | ||
795 | /* stop a timer, but do not dealloc it */ | |
796 | void qemu_del_timer(QEMUTimer *ts) | |
797 | { | |
798 | QEMUTimer **pt, *t; | |
799 | ||
800 | /* NOTE: this code must be signal safe because | |
801 | qemu_timer_expired() can be called from a signal. */ | |
802 | pt = &active_timers[ts->clock->type]; | |
803 | for(;;) { | |
804 | t = *pt; | |
805 | if (!t) | |
806 | break; | |
807 | if (t == ts) { | |
808 | *pt = t->next; | |
809 | break; | |
810 | } | |
811 | pt = &t->next; | |
812 | } | |
813 | } | |
814 | ||
815 | /* modify the current timer so that it will be fired when current_time | |
816 | >= expire_time. The corresponding callback will be called. */ | |
817 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
818 | { | |
819 | QEMUTimer **pt, *t; | |
820 | ||
821 | qemu_del_timer(ts); | |
822 | ||
823 | /* add the timer in the sorted list */ | |
824 | /* NOTE: this code must be signal safe because | |
825 | qemu_timer_expired() can be called from a signal. */ | |
826 | pt = &active_timers[ts->clock->type]; | |
827 | for(;;) { | |
828 | t = *pt; | |
829 | if (!t) | |
830 | break; | |
831 | if (t->expire_time > expire_time) | |
832 | break; | |
833 | pt = &t->next; | |
834 | } | |
835 | ts->expire_time = expire_time; | |
836 | ts->next = *pt; | |
837 | *pt = ts; | |
838 | } | |
839 | ||
840 | int qemu_timer_pending(QEMUTimer *ts) | |
841 | { | |
842 | QEMUTimer *t; | |
843 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
844 | if (t == ts) | |
845 | return 1; | |
846 | } | |
847 | return 0; | |
848 | } | |
849 | ||
850 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
851 | { | |
852 | if (!timer_head) | |
853 | return 0; | |
854 | return (timer_head->expire_time <= current_time); | |
855 | } | |
856 | ||
857 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
858 | { | |
859 | QEMUTimer *ts; | |
860 | ||
861 | for(;;) { | |
862 | ts = *ptimer_head; | |
863 | if (!ts || ts->expire_time > current_time) | |
864 | break; | |
865 | /* remove timer from the list before calling the callback */ | |
866 | *ptimer_head = ts->next; | |
867 | ts->next = NULL; | |
868 | ||
869 | /* run the callback (the timer list can be modified) */ | |
870 | ts->cb(ts->opaque); | |
871 | } | |
872 | } | |
873 | ||
874 | int64_t qemu_get_clock(QEMUClock *clock) | |
875 | { | |
876 | switch(clock->type) { | |
877 | case QEMU_TIMER_REALTIME: | |
878 | return get_clock() / 1000000; | |
879 | default: | |
880 | case QEMU_TIMER_VIRTUAL: | |
881 | return cpu_get_clock(); | |
882 | } | |
883 | } | |
884 | ||
885 | static void init_timers(void) | |
886 | { | |
887 | init_get_clock(); | |
888 | ticks_per_sec = QEMU_TIMER_BASE; | |
889 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
890 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
891 | } | |
892 | ||
893 | /* save a timer */ | |
894 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
895 | { | |
896 | uint64_t expire_time; | |
897 | ||
898 | if (qemu_timer_pending(ts)) { | |
899 | expire_time = ts->expire_time; | |
900 | } else { | |
901 | expire_time = -1; | |
902 | } | |
903 | qemu_put_be64(f, expire_time); | |
904 | } | |
905 | ||
906 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
907 | { | |
908 | uint64_t expire_time; | |
909 | ||
910 | expire_time = qemu_get_be64(f); | |
911 | if (expire_time != -1) { | |
912 | qemu_mod_timer(ts, expire_time); | |
913 | } else { | |
914 | qemu_del_timer(ts); | |
915 | } | |
916 | } | |
917 | ||
918 | static void timer_save(QEMUFile *f, void *opaque) | |
919 | { | |
920 | if (cpu_ticks_enabled) { | |
921 | hw_error("cannot save state if virtual timers are running"); | |
922 | } | |
923 | qemu_put_be64s(f, &cpu_ticks_offset); | |
924 | qemu_put_be64s(f, &ticks_per_sec); | |
925 | qemu_put_be64s(f, &cpu_clock_offset); | |
926 | } | |
927 | ||
928 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
929 | { | |
930 | if (version_id != 1 && version_id != 2) | |
931 | return -EINVAL; | |
932 | if (cpu_ticks_enabled) { | |
933 | return -EINVAL; | |
934 | } | |
935 | qemu_get_be64s(f, &cpu_ticks_offset); | |
936 | qemu_get_be64s(f, &ticks_per_sec); | |
937 | if (version_id == 2) { | |
938 | qemu_get_be64s(f, &cpu_clock_offset); | |
939 | } | |
940 | return 0; | |
941 | } | |
942 | ||
943 | #ifdef _WIN32 | |
944 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
945 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
946 | #else | |
947 | static void host_alarm_handler(int host_signum) | |
948 | #endif | |
949 | { | |
950 | #if 0 | |
951 | #define DISP_FREQ 1000 | |
952 | { | |
953 | static int64_t delta_min = INT64_MAX; | |
954 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
955 | static int count; | |
956 | ti = qemu_get_clock(vm_clock); | |
957 | if (last_clock != 0) { | |
958 | delta = ti - last_clock; | |
959 | if (delta < delta_min) | |
960 | delta_min = delta; | |
961 | if (delta > delta_max) | |
962 | delta_max = delta; | |
963 | delta_cum += delta; | |
964 | if (++count == DISP_FREQ) { | |
965 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
966 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
967 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
968 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
969 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
970 | count = 0; | |
971 | delta_min = INT64_MAX; | |
972 | delta_max = 0; | |
973 | delta_cum = 0; | |
974 | } | |
975 | } | |
976 | last_clock = ti; | |
977 | } | |
978 | #endif | |
979 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
980 | qemu_get_clock(vm_clock)) || | |
981 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
982 | qemu_get_clock(rt_clock))) { | |
983 | #ifdef _WIN32 | |
984 | SetEvent(host_alarm); | |
985 | #endif | |
986 | CPUState *env = cpu_single_env; | |
987 | if (env) { | |
988 | /* stop the currently executing cpu because a timer occured */ | |
989 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
990 | #ifdef USE_KQEMU | |
991 | if (env->kqemu_enabled) { | |
992 | kqemu_cpu_interrupt(env); | |
993 | } | |
994 | #endif | |
995 | } | |
996 | } | |
997 | } | |
998 | ||
999 | #ifndef _WIN32 | |
1000 | ||
1001 | #if defined(__linux__) | |
1002 | ||
1003 | #define RTC_FREQ 1024 | |
1004 | ||
1005 | static int rtc_fd; | |
1006 | ||
1007 | static int start_rtc_timer(void) | |
1008 | { | |
1009 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
1010 | if (rtc_fd < 0) | |
1011 | return -1; | |
1012 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1013 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1014 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1015 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1016 | goto fail; | |
1017 | } | |
1018 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1019 | fail: | |
1020 | close(rtc_fd); | |
1021 | return -1; | |
1022 | } | |
1023 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1027 | #else | |
1028 | ||
1029 | static int start_rtc_timer(void) | |
1030 | { | |
1031 | return -1; | |
1032 | } | |
1033 | ||
1034 | #endif /* !defined(__linux__) */ | |
1035 | ||
1036 | #endif /* !defined(_WIN32) */ | |
1037 | ||
1038 | static void init_timer_alarm(void) | |
1039 | { | |
1040 | #ifdef _WIN32 | |
1041 | { | |
1042 | int count=0; | |
1043 | TIMECAPS tc; | |
1044 | ||
1045 | ZeroMemory(&tc, sizeof(TIMECAPS)); | |
1046 | timeGetDevCaps(&tc, sizeof(TIMECAPS)); | |
1047 | if (period < tc.wPeriodMin) | |
1048 | period = tc.wPeriodMin; | |
1049 | timeBeginPeriod(period); | |
1050 | timerID = timeSetEvent(1, // interval (ms) | |
1051 | period, // resolution | |
1052 | host_alarm_handler, // function | |
1053 | (DWORD)&count, // user parameter | |
1054 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
1055 | if( !timerID ) { | |
1056 | perror("failed timer alarm"); | |
1057 | exit(1); | |
1058 | } | |
1059 | host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1060 | if (!host_alarm) { | |
1061 | perror("failed CreateEvent"); | |
1062 | exit(1); | |
1063 | } | |
1064 | qemu_add_wait_object(host_alarm, NULL, NULL); | |
1065 | } | |
1066 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
1067 | #else | |
1068 | { | |
1069 | struct sigaction act; | |
1070 | struct itimerval itv; | |
1071 | ||
1072 | /* get times() syscall frequency */ | |
1073 | timer_freq = sysconf(_SC_CLK_TCK); | |
1074 | ||
1075 | /* timer signal */ | |
1076 | sigfillset(&act.sa_mask); | |
1077 | act.sa_flags = 0; | |
1078 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
1079 | act.sa_flags |= SA_ONSTACK; | |
1080 | #endif | |
1081 | act.sa_handler = host_alarm_handler; | |
1082 | sigaction(SIGALRM, &act, NULL); | |
1083 | ||
1084 | itv.it_interval.tv_sec = 0; | |
1085 | itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ | |
1086 | itv.it_value.tv_sec = 0; | |
1087 | itv.it_value.tv_usec = 10 * 1000; | |
1088 | setitimer(ITIMER_REAL, &itv, NULL); | |
1089 | /* we probe the tick duration of the kernel to inform the user if | |
1090 | the emulated kernel requested a too high timer frequency */ | |
1091 | getitimer(ITIMER_REAL, &itv); | |
1092 | ||
1093 | #if defined(__linux__) | |
1094 | /* XXX: force /dev/rtc usage because even 2.6 kernels may not | |
1095 | have timers with 1 ms resolution. The correct solution will | |
1096 | be to use the POSIX real time timers available in recent | |
1097 | 2.6 kernels */ | |
1098 | if (itv.it_interval.tv_usec > 1000 || 1) { | |
1099 | /* try to use /dev/rtc to have a faster timer */ | |
1100 | if (start_rtc_timer() < 0) | |
1101 | goto use_itimer; | |
1102 | /* disable itimer */ | |
1103 | itv.it_interval.tv_sec = 0; | |
1104 | itv.it_interval.tv_usec = 0; | |
1105 | itv.it_value.tv_sec = 0; | |
1106 | itv.it_value.tv_usec = 0; | |
1107 | setitimer(ITIMER_REAL, &itv, NULL); | |
1108 | ||
1109 | /* use the RTC */ | |
1110 | sigaction(SIGIO, &act, NULL); | |
1111 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
1112 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
1113 | } else | |
1114 | #endif /* defined(__linux__) */ | |
1115 | { | |
1116 | use_itimer: | |
1117 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
1118 | PIT_FREQ) / 1000000; | |
1119 | } | |
1120 | } | |
1121 | #endif | |
1122 | } | |
1123 | ||
1124 | void quit_timers(void) | |
1125 | { | |
1126 | #ifdef _WIN32 | |
1127 | timeKillEvent(timerID); | |
1128 | timeEndPeriod(period); | |
1129 | if (host_alarm) { | |
1130 | CloseHandle(host_alarm); | |
1131 | host_alarm = NULL; | |
1132 | } | |
1133 | #endif | |
1134 | } | |
1135 | ||
1136 | /***********************************************************/ | |
1137 | /* character device */ | |
1138 | ||
1139 | static void qemu_chr_event(CharDriverState *s, int event) | |
1140 | { | |
1141 | if (!s->chr_event) | |
1142 | return; | |
1143 | s->chr_event(s->handler_opaque, event); | |
1144 | } | |
1145 | ||
1146 | static void qemu_chr_reset_bh(void *opaque) | |
1147 | { | |
1148 | CharDriverState *s = opaque; | |
1149 | qemu_chr_event(s, CHR_EVENT_RESET); | |
1150 | qemu_bh_delete(s->bh); | |
1151 | s->bh = NULL; | |
1152 | } | |
1153 | ||
1154 | void qemu_chr_reset(CharDriverState *s) | |
1155 | { | |
1156 | if (s->bh == NULL) { | |
1157 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); | |
1158 | qemu_bh_schedule(s->bh); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
1163 | { | |
1164 | return s->chr_write(s, buf, len); | |
1165 | } | |
1166 | ||
1167 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
1168 | { | |
1169 | if (!s->chr_ioctl) | |
1170 | return -ENOTSUP; | |
1171 | return s->chr_ioctl(s, cmd, arg); | |
1172 | } | |
1173 | ||
1174 | int qemu_chr_can_read(CharDriverState *s) | |
1175 | { | |
1176 | if (!s->chr_can_read) | |
1177 | return 0; | |
1178 | return s->chr_can_read(s->handler_opaque); | |
1179 | } | |
1180 | ||
1181 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
1182 | { | |
1183 | s->chr_read(s->handler_opaque, buf, len); | |
1184 | } | |
1185 | ||
1186 | ||
1187 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
1188 | { | |
1189 | char buf[4096]; | |
1190 | va_list ap; | |
1191 | va_start(ap, fmt); | |
1192 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
1193 | qemu_chr_write(s, buf, strlen(buf)); | |
1194 | va_end(ap); | |
1195 | } | |
1196 | ||
1197 | void qemu_chr_send_event(CharDriverState *s, int event) | |
1198 | { | |
1199 | if (s->chr_send_event) | |
1200 | s->chr_send_event(s, event); | |
1201 | } | |
1202 | ||
1203 | void qemu_chr_add_handlers(CharDriverState *s, | |
1204 | IOCanRWHandler *fd_can_read, | |
1205 | IOReadHandler *fd_read, | |
1206 | IOEventHandler *fd_event, | |
1207 | void *opaque) | |
1208 | { | |
1209 | s->chr_can_read = fd_can_read; | |
1210 | s->chr_read = fd_read; | |
1211 | s->chr_event = fd_event; | |
1212 | s->handler_opaque = opaque; | |
1213 | if (s->chr_update_read_handler) | |
1214 | s->chr_update_read_handler(s); | |
1215 | } | |
1216 | ||
1217 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1218 | { | |
1219 | return len; | |
1220 | } | |
1221 | ||
1222 | static CharDriverState *qemu_chr_open_null(void) | |
1223 | { | |
1224 | CharDriverState *chr; | |
1225 | ||
1226 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1227 | if (!chr) | |
1228 | return NULL; | |
1229 | chr->chr_write = null_chr_write; | |
1230 | return chr; | |
1231 | } | |
1232 | ||
1233 | /* MUX driver for serial I/O splitting */ | |
1234 | static int term_timestamps; | |
1235 | static int64_t term_timestamps_start; | |
1236 | #define MAX_MUX 4 | |
1237 | typedef struct { | |
1238 | IOCanRWHandler *chr_can_read[MAX_MUX]; | |
1239 | IOReadHandler *chr_read[MAX_MUX]; | |
1240 | IOEventHandler *chr_event[MAX_MUX]; | |
1241 | void *ext_opaque[MAX_MUX]; | |
1242 | CharDriverState *drv; | |
1243 | int mux_cnt; | |
1244 | int term_got_escape; | |
1245 | int max_size; | |
1246 | } MuxDriver; | |
1247 | ||
1248 | ||
1249 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1250 | { | |
1251 | MuxDriver *d = chr->opaque; | |
1252 | int ret; | |
1253 | if (!term_timestamps) { | |
1254 | ret = d->drv->chr_write(d->drv, buf, len); | |
1255 | } else { | |
1256 | int i; | |
1257 | ||
1258 | ret = 0; | |
1259 | for(i = 0; i < len; i++) { | |
1260 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
1261 | if (buf[i] == '\n') { | |
1262 | char buf1[64]; | |
1263 | int64_t ti; | |
1264 | int secs; | |
1265 | ||
1266 | ti = get_clock(); | |
1267 | if (term_timestamps_start == -1) | |
1268 | term_timestamps_start = ti; | |
1269 | ti -= term_timestamps_start; | |
1270 | secs = ti / 1000000000; | |
1271 | snprintf(buf1, sizeof(buf1), | |
1272 | "[%02d:%02d:%02d.%03d] ", | |
1273 | secs / 3600, | |
1274 | (secs / 60) % 60, | |
1275 | secs % 60, | |
1276 | (int)((ti / 1000000) % 1000)); | |
1277 | d->drv->chr_write(d->drv, buf1, strlen(buf1)); | |
1278 | } | |
1279 | } | |
1280 | } | |
1281 | return ret; | |
1282 | } | |
1283 | ||
1284 | static char *mux_help[] = { | |
1285 | "% h print this help\n\r", | |
1286 | "% x exit emulator\n\r", | |
1287 | "% s save disk data back to file (if -snapshot)\n\r", | |
1288 | "% t toggle console timestamps\n\r" | |
1289 | "% b send break (magic sysrq)\n\r", | |
1290 | "% c switch between console and monitor\n\r", | |
1291 | "% % sends %\n\r", | |
1292 | NULL | |
1293 | }; | |
1294 | ||
1295 | static int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
1296 | static void mux_print_help(CharDriverState *chr) | |
1297 | { | |
1298 | int i, j; | |
1299 | char ebuf[15] = "Escape-Char"; | |
1300 | char cbuf[50] = "\n\r"; | |
1301 | ||
1302 | if (term_escape_char > 0 && term_escape_char < 26) { | |
1303 | sprintf(cbuf,"\n\r"); | |
1304 | sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a'); | |
1305 | } else { | |
1306 | sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char); | |
1307 | } | |
1308 | chr->chr_write(chr, cbuf, strlen(cbuf)); | |
1309 | for (i = 0; mux_help[i] != NULL; i++) { | |
1310 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
1311 | if (mux_help[i][j] == '%') | |
1312 | chr->chr_write(chr, ebuf, strlen(ebuf)); | |
1313 | else | |
1314 | chr->chr_write(chr, &mux_help[i][j], 1); | |
1315 | } | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) | |
1320 | { | |
1321 | if (d->term_got_escape) { | |
1322 | d->term_got_escape = 0; | |
1323 | if (ch == term_escape_char) | |
1324 | goto send_char; | |
1325 | switch(ch) { | |
1326 | case '?': | |
1327 | case 'h': | |
1328 | mux_print_help(chr); | |
1329 | break; | |
1330 | case 'x': | |
1331 | { | |
1332 | char *term = "QEMU: Terminated\n\r"; | |
1333 | chr->chr_write(chr,term,strlen(term)); | |
1334 | exit(0); | |
1335 | break; | |
1336 | } | |
1337 | case 's': | |
1338 | { | |
1339 | int i; | |
1340 | for (i = 0; i < MAX_DISKS; i++) { | |
1341 | if (bs_table[i]) | |
1342 | bdrv_commit(bs_table[i]); | |
1343 | } | |
1344 | } | |
1345 | break; | |
1346 | case 'b': | |
1347 | if (chr->chr_event) | |
1348 | chr->chr_event(chr->opaque, CHR_EVENT_BREAK); | |
1349 | break; | |
1350 | case 'c': | |
1351 | /* Switch to the next registered device */ | |
1352 | chr->focus++; | |
1353 | if (chr->focus >= d->mux_cnt) | |
1354 | chr->focus = 0; | |
1355 | break; | |
1356 | case 't': | |
1357 | term_timestamps = !term_timestamps; | |
1358 | term_timestamps_start = -1; | |
1359 | break; | |
1360 | } | |
1361 | } else if (ch == term_escape_char) { | |
1362 | d->term_got_escape = 1; | |
1363 | } else { | |
1364 | send_char: | |
1365 | return 1; | |
1366 | } | |
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | static int mux_chr_can_read(void *opaque) | |
1371 | { | |
1372 | CharDriverState *chr = opaque; | |
1373 | MuxDriver *d = chr->opaque; | |
1374 | if (d->chr_can_read[chr->focus]) | |
1375 | return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); | |
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
1380 | { | |
1381 | CharDriverState *chr = opaque; | |
1382 | MuxDriver *d = chr->opaque; | |
1383 | int i; | |
1384 | for(i = 0; i < size; i++) | |
1385 | if (mux_proc_byte(chr, d, buf[i])) | |
1386 | d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1); | |
1387 | } | |
1388 | ||
1389 | static void mux_chr_event(void *opaque, int event) | |
1390 | { | |
1391 | CharDriverState *chr = opaque; | |
1392 | MuxDriver *d = chr->opaque; | |
1393 | int i; | |
1394 | ||
1395 | /* Send the event to all registered listeners */ | |
1396 | for (i = 0; i < d->mux_cnt; i++) | |
1397 | if (d->chr_event[i]) | |
1398 | d->chr_event[i](d->ext_opaque[i], event); | |
1399 | } | |
1400 | ||
1401 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
1402 | { | |
1403 | MuxDriver *d = chr->opaque; | |
1404 | ||
1405 | if (d->mux_cnt >= MAX_MUX) { | |
1406 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
1407 | return; | |
1408 | } | |
1409 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
1410 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
1411 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
1412 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
1413 | /* Fix up the real driver with mux routines */ | |
1414 | if (d->mux_cnt == 0) { | |
1415 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
1416 | mux_chr_event, chr); | |
1417 | } | |
1418 | chr->focus = d->mux_cnt; | |
1419 | d->mux_cnt++; | |
1420 | } | |
1421 | ||
1422 | CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
1423 | { | |
1424 | CharDriverState *chr; | |
1425 | MuxDriver *d; | |
1426 | ||
1427 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1428 | if (!chr) | |
1429 | return NULL; | |
1430 | d = qemu_mallocz(sizeof(MuxDriver)); | |
1431 | if (!d) { | |
1432 | free(chr); | |
1433 | return NULL; | |
1434 | } | |
1435 | ||
1436 | chr->opaque = d; | |
1437 | d->drv = drv; | |
1438 | chr->focus = -1; | |
1439 | chr->chr_write = mux_chr_write; | |
1440 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
1441 | return chr; | |
1442 | } | |
1443 | ||
1444 | ||
1445 | #ifdef _WIN32 | |
1446 | ||
1447 | static void socket_cleanup(void) | |
1448 | { | |
1449 | WSACleanup(); | |
1450 | } | |
1451 | ||
1452 | static int socket_init(void) | |
1453 | { | |
1454 | WSADATA Data; | |
1455 | int ret, err; | |
1456 | ||
1457 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1458 | if (ret != 0) { | |
1459 | err = WSAGetLastError(); | |
1460 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1461 | return -1; | |
1462 | } | |
1463 | atexit(socket_cleanup); | |
1464 | return 0; | |
1465 | } | |
1466 | ||
1467 | static int send_all(int fd, const uint8_t *buf, int len1) | |
1468 | { | |
1469 | int ret, len; | |
1470 | ||
1471 | len = len1; | |
1472 | while (len > 0) { | |
1473 | ret = send(fd, buf, len, 0); | |
1474 | if (ret < 0) { | |
1475 | int errno; | |
1476 | errno = WSAGetLastError(); | |
1477 | if (errno != WSAEWOULDBLOCK) { | |
1478 | return -1; | |
1479 | } | |
1480 | } else if (ret == 0) { | |
1481 | break; | |
1482 | } else { | |
1483 | buf += ret; | |
1484 | len -= ret; | |
1485 | } | |
1486 | } | |
1487 | return len1 - len; | |
1488 | } | |
1489 | ||
1490 | void socket_set_nonblock(int fd) | |
1491 | { | |
1492 | unsigned long opt = 1; | |
1493 | ioctlsocket(fd, FIONBIO, &opt); | |
1494 | } | |
1495 | ||
1496 | #else | |
1497 | ||
1498 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
1499 | { | |
1500 | int ret, len; | |
1501 | ||
1502 | len = len1; | |
1503 | while (len > 0) { | |
1504 | ret = write(fd, buf, len); | |
1505 | if (ret < 0) { | |
1506 | if (errno != EINTR && errno != EAGAIN) | |
1507 | return -1; | |
1508 | } else if (ret == 0) { | |
1509 | break; | |
1510 | } else { | |
1511 | buf += ret; | |
1512 | len -= ret; | |
1513 | } | |
1514 | } | |
1515 | return len1 - len; | |
1516 | } | |
1517 | ||
1518 | static inline int send_all(int fd, const uint8_t *buf, int len1) | |
1519 | { | |
1520 | return unix_write(fd, buf, len1); | |
1521 | } | |
1522 | ||
1523 | void socket_set_nonblock(int fd) | |
1524 | { | |
1525 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1526 | } | |
1527 | #endif /* !_WIN32 */ | |
1528 | ||
1529 | #ifndef _WIN32 | |
1530 | ||
1531 | typedef struct { | |
1532 | int fd_in, fd_out; | |
1533 | int max_size; | |
1534 | } FDCharDriver; | |
1535 | ||
1536 | #define STDIO_MAX_CLIENTS 1 | |
1537 | static int stdio_nb_clients = 0; | |
1538 | ||
1539 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1540 | { | |
1541 | FDCharDriver *s = chr->opaque; | |
1542 | return unix_write(s->fd_out, buf, len); | |
1543 | } | |
1544 | ||
1545 | static int fd_chr_read_poll(void *opaque) | |
1546 | { | |
1547 | CharDriverState *chr = opaque; | |
1548 | FDCharDriver *s = chr->opaque; | |
1549 | ||
1550 | s->max_size = qemu_chr_can_read(chr); | |
1551 | return s->max_size; | |
1552 | } | |
1553 | ||
1554 | static void fd_chr_read(void *opaque) | |
1555 | { | |
1556 | CharDriverState *chr = opaque; | |
1557 | FDCharDriver *s = chr->opaque; | |
1558 | int size, len; | |
1559 | uint8_t buf[1024]; | |
1560 | ||
1561 | len = sizeof(buf); | |
1562 | if (len > s->max_size) | |
1563 | len = s->max_size; | |
1564 | if (len == 0) | |
1565 | return; | |
1566 | size = read(s->fd_in, buf, len); | |
1567 | if (size == 0) { | |
1568 | /* FD has been closed. Remove it from the active list. */ | |
1569 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
1570 | return; | |
1571 | } | |
1572 | if (size > 0) { | |
1573 | qemu_chr_read(chr, buf, size); | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
1578 | { | |
1579 | FDCharDriver *s = chr->opaque; | |
1580 | ||
1581 | if (s->fd_in >= 0) { | |
1582 | if (nographic && s->fd_in == 0) { | |
1583 | } else { | |
1584 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
1585 | fd_chr_read, NULL, chr); | |
1586 | } | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | /* open a character device to a unix fd */ | |
1591 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1592 | { | |
1593 | CharDriverState *chr; | |
1594 | FDCharDriver *s; | |
1595 | ||
1596 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1597 | if (!chr) | |
1598 | return NULL; | |
1599 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1600 | if (!s) { | |
1601 | free(chr); | |
1602 | return NULL; | |
1603 | } | |
1604 | s->fd_in = fd_in; | |
1605 | s->fd_out = fd_out; | |
1606 | chr->opaque = s; | |
1607 | chr->chr_write = fd_chr_write; | |
1608 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
1609 | ||
1610 | qemu_chr_reset(chr); | |
1611 | ||
1612 | return chr; | |
1613 | } | |
1614 | ||
1615 | static CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
1616 | { | |
1617 | int fd_out; | |
1618 | ||
1619 | fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666); | |
1620 | if (fd_out < 0) | |
1621 | return NULL; | |
1622 | return qemu_chr_open_fd(-1, fd_out); | |
1623 | } | |
1624 | ||
1625 | static CharDriverState *qemu_chr_open_pipe(const char *filename) | |
1626 | { | |
1627 | int fd_in, fd_out; | |
1628 | char filename_in[256], filename_out[256]; | |
1629 | ||
1630 | snprintf(filename_in, 256, "%s.in", filename); | |
1631 | snprintf(filename_out, 256, "%s.out", filename); | |
1632 | fd_in = open(filename_in, O_RDWR | O_BINARY); | |
1633 | fd_out = open(filename_out, O_RDWR | O_BINARY); | |
1634 | if (fd_in < 0 || fd_out < 0) { | |
1635 | if (fd_in >= 0) | |
1636 | close(fd_in); | |
1637 | if (fd_out >= 0) | |
1638 | close(fd_out); | |
1639 | fd_in = fd_out = open(filename, O_RDWR | O_BINARY); | |
1640 | if (fd_in < 0) | |
1641 | return NULL; | |
1642 | } | |
1643 | return qemu_chr_open_fd(fd_in, fd_out); | |
1644 | } | |
1645 | ||
1646 | ||
1647 | /* for STDIO, we handle the case where several clients use it | |
1648 | (nographic mode) */ | |
1649 | ||
1650 | #define TERM_FIFO_MAX_SIZE 1 | |
1651 | ||
1652 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
1653 | static int term_fifo_size; | |
1654 | ||
1655 | static int stdio_read_poll(void *opaque) | |
1656 | { | |
1657 | CharDriverState *chr = opaque; | |
1658 | ||
1659 | /* try to flush the queue if needed */ | |
1660 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
1661 | qemu_chr_read(chr, term_fifo, 1); | |
1662 | term_fifo_size = 0; | |
1663 | } | |
1664 | /* see if we can absorb more chars */ | |
1665 | if (term_fifo_size == 0) | |
1666 | return 1; | |
1667 | else | |
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static void stdio_read(void *opaque) | |
1672 | { | |
1673 | int size; | |
1674 | uint8_t buf[1]; | |
1675 | CharDriverState *chr = opaque; | |
1676 | ||
1677 | size = read(0, buf, 1); | |
1678 | if (size == 0) { | |
1679 | /* stdin has been closed. Remove it from the active list. */ | |
1680 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
1681 | return; | |
1682 | } | |
1683 | if (size > 0) { | |
1684 | if (qemu_chr_can_read(chr) > 0) { | |
1685 | qemu_chr_read(chr, buf, 1); | |
1686 | } else if (term_fifo_size == 0) { | |
1687 | term_fifo[term_fifo_size++] = buf[0]; | |
1688 | } | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | /* init terminal so that we can grab keys */ | |
1693 | static struct termios oldtty; | |
1694 | static int old_fd0_flags; | |
1695 | ||
1696 | static void term_exit(void) | |
1697 | { | |
1698 | tcsetattr (0, TCSANOW, &oldtty); | |
1699 | fcntl(0, F_SETFL, old_fd0_flags); | |
1700 | } | |
1701 | ||
1702 | static void term_init(void) | |
1703 | { | |
1704 | struct termios tty; | |
1705 | ||
1706 | tcgetattr (0, &tty); | |
1707 | oldtty = tty; | |
1708 | old_fd0_flags = fcntl(0, F_GETFL); | |
1709 | ||
1710 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1711 | |INLCR|IGNCR|ICRNL|IXON); | |
1712 | tty.c_oflag |= OPOST; | |
1713 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1714 | /* if graphical mode, we allow Ctrl-C handling */ | |
1715 | if (nographic) | |
1716 | tty.c_lflag &= ~ISIG; | |
1717 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1718 | tty.c_cflag |= CS8; | |
1719 | tty.c_cc[VMIN] = 1; | |
1720 | tty.c_cc[VTIME] = 0; | |
1721 | ||
1722 | tcsetattr (0, TCSANOW, &tty); | |
1723 | ||
1724 | atexit(term_exit); | |
1725 | ||
1726 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1727 | } | |
1728 | ||
1729 | static CharDriverState *qemu_chr_open_stdio(void) | |
1730 | { | |
1731 | CharDriverState *chr; | |
1732 | ||
1733 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1734 | return NULL; | |
1735 | chr = qemu_chr_open_fd(0, 1); | |
1736 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); | |
1737 | stdio_nb_clients++; | |
1738 | term_init(); | |
1739 | ||
1740 | return chr; | |
1741 | } | |
1742 | ||
1743 | #if defined(__linux__) | |
1744 | static CharDriverState *qemu_chr_open_pty(void) | |
1745 | { | |
1746 | struct termios tty; | |
1747 | char slave_name[1024]; | |
1748 | int master_fd, slave_fd; | |
1749 | ||
1750 | /* Not satisfying */ | |
1751 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1752 | return NULL; | |
1753 | } | |
1754 | ||
1755 | /* Disabling local echo and line-buffered output */ | |
1756 | tcgetattr (master_fd, &tty); | |
1757 | tty.c_lflag &= ~(ECHO|ICANON|ISIG); | |
1758 | tty.c_cc[VMIN] = 1; | |
1759 | tty.c_cc[VTIME] = 0; | |
1760 | tcsetattr (master_fd, TCSAFLUSH, &tty); | |
1761 | ||
1762 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1763 | return qemu_chr_open_fd(master_fd, master_fd); | |
1764 | } | |
1765 | ||
1766 | static void tty_serial_init(int fd, int speed, | |
1767 | int parity, int data_bits, int stop_bits) | |
1768 | { | |
1769 | struct termios tty; | |
1770 | speed_t spd; | |
1771 | ||
1772 | #if 0 | |
1773 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1774 | speed, parity, data_bits, stop_bits); | |
1775 | #endif | |
1776 | tcgetattr (fd, &tty); | |
1777 | ||
1778 | switch(speed) { | |
1779 | case 50: | |
1780 | spd = B50; | |
1781 | break; | |
1782 | case 75: | |
1783 | spd = B75; | |
1784 | break; | |
1785 | case 300: | |
1786 | spd = B300; | |
1787 | break; | |
1788 | case 600: | |
1789 | spd = B600; | |
1790 | break; | |
1791 | case 1200: | |
1792 | spd = B1200; | |
1793 | break; | |
1794 | case 2400: | |
1795 | spd = B2400; | |
1796 | break; | |
1797 | case 4800: | |
1798 | spd = B4800; | |
1799 | break; | |
1800 | case 9600: | |
1801 | spd = B9600; | |
1802 | break; | |
1803 | case 19200: | |
1804 | spd = B19200; | |
1805 | break; | |
1806 | case 38400: | |
1807 | spd = B38400; | |
1808 | break; | |
1809 | case 57600: | |
1810 | spd = B57600; | |
1811 | break; | |
1812 | default: | |
1813 | case 115200: | |
1814 | spd = B115200; | |
1815 | break; | |
1816 | } | |
1817 | ||
1818 | cfsetispeed(&tty, spd); | |
1819 | cfsetospeed(&tty, spd); | |
1820 | ||
1821 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1822 | |INLCR|IGNCR|ICRNL|IXON); | |
1823 | tty.c_oflag |= OPOST; | |
1824 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1825 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1826 | switch(data_bits) { | |
1827 | default: | |
1828 | case 8: | |
1829 | tty.c_cflag |= CS8; | |
1830 | break; | |
1831 | case 7: | |
1832 | tty.c_cflag |= CS7; | |
1833 | break; | |
1834 | case 6: | |
1835 | tty.c_cflag |= CS6; | |
1836 | break; | |
1837 | case 5: | |
1838 | tty.c_cflag |= CS5; | |
1839 | break; | |
1840 | } | |
1841 | switch(parity) { | |
1842 | default: | |
1843 | case 'N': | |
1844 | break; | |
1845 | case 'E': | |
1846 | tty.c_cflag |= PARENB; | |
1847 | break; | |
1848 | case 'O': | |
1849 | tty.c_cflag |= PARENB | PARODD; | |
1850 | break; | |
1851 | } | |
1852 | if (stop_bits == 2) | |
1853 | tty.c_cflag |= CSTOPB; | |
1854 | ||
1855 | tcsetattr (fd, TCSANOW, &tty); | |
1856 | } | |
1857 | ||
1858 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1859 | { | |
1860 | FDCharDriver *s = chr->opaque; | |
1861 | ||
1862 | switch(cmd) { | |
1863 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1864 | { | |
1865 | QEMUSerialSetParams *ssp = arg; | |
1866 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1867 | ssp->data_bits, ssp->stop_bits); | |
1868 | } | |
1869 | break; | |
1870 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1871 | { | |
1872 | int enable = *(int *)arg; | |
1873 | if (enable) | |
1874 | tcsendbreak(s->fd_in, 1); | |
1875 | } | |
1876 | break; | |
1877 | default: | |
1878 | return -ENOTSUP; | |
1879 | } | |
1880 | return 0; | |
1881 | } | |
1882 | ||
1883 | static CharDriverState *qemu_chr_open_tty(const char *filename) | |
1884 | { | |
1885 | CharDriverState *chr; | |
1886 | int fd; | |
1887 | ||
1888 | fd = open(filename, O_RDWR | O_NONBLOCK); | |
1889 | if (fd < 0) | |
1890 | return NULL; | |
1891 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1892 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1893 | chr = qemu_chr_open_fd(fd, fd); | |
1894 | if (!chr) | |
1895 | return NULL; | |
1896 | chr->chr_ioctl = tty_serial_ioctl; | |
1897 | qemu_chr_reset(chr); | |
1898 | return chr; | |
1899 | } | |
1900 | ||
1901 | typedef struct { | |
1902 | int fd; | |
1903 | int mode; | |
1904 | } ParallelCharDriver; | |
1905 | ||
1906 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1907 | { | |
1908 | if (s->mode != mode) { | |
1909 | int m = mode; | |
1910 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1911 | return 0; | |
1912 | s->mode = mode; | |
1913 | } | |
1914 | return 1; | |
1915 | } | |
1916 | ||
1917 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1918 | { | |
1919 | ParallelCharDriver *drv = chr->opaque; | |
1920 | int fd = drv->fd; | |
1921 | uint8_t b; | |
1922 | ||
1923 | switch(cmd) { | |
1924 | case CHR_IOCTL_PP_READ_DATA: | |
1925 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1926 | return -ENOTSUP; | |
1927 | *(uint8_t *)arg = b; | |
1928 | break; | |
1929 | case CHR_IOCTL_PP_WRITE_DATA: | |
1930 | b = *(uint8_t *)arg; | |
1931 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1932 | return -ENOTSUP; | |
1933 | break; | |
1934 | case CHR_IOCTL_PP_READ_CONTROL: | |
1935 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1936 | return -ENOTSUP; | |
1937 | /* Linux gives only the lowest bits, and no way to know data | |
1938 | direction! For better compatibility set the fixed upper | |
1939 | bits. */ | |
1940 | *(uint8_t *)arg = b | 0xc0; | |
1941 | break; | |
1942 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1943 | b = *(uint8_t *)arg; | |
1944 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1945 | return -ENOTSUP; | |
1946 | break; | |
1947 | case CHR_IOCTL_PP_READ_STATUS: | |
1948 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1949 | return -ENOTSUP; | |
1950 | *(uint8_t *)arg = b; | |
1951 | break; | |
1952 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1953 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1954 | struct ParallelIOArg *parg = arg; | |
1955 | int n = read(fd, parg->buffer, parg->count); | |
1956 | if (n != parg->count) { | |
1957 | return -EIO; | |
1958 | } | |
1959 | } | |
1960 | break; | |
1961 | case CHR_IOCTL_PP_EPP_READ: | |
1962 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1963 | struct ParallelIOArg *parg = arg; | |
1964 | int n = read(fd, parg->buffer, parg->count); | |
1965 | if (n != parg->count) { | |
1966 | return -EIO; | |
1967 | } | |
1968 | } | |
1969 | break; | |
1970 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
1971 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1972 | struct ParallelIOArg *parg = arg; | |
1973 | int n = write(fd, parg->buffer, parg->count); | |
1974 | if (n != parg->count) { | |
1975 | return -EIO; | |
1976 | } | |
1977 | } | |
1978 | break; | |
1979 | case CHR_IOCTL_PP_EPP_WRITE: | |
1980 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1981 | struct ParallelIOArg *parg = arg; | |
1982 | int n = write(fd, parg->buffer, parg->count); | |
1983 | if (n != parg->count) { | |
1984 | return -EIO; | |
1985 | } | |
1986 | } | |
1987 | break; | |
1988 | default: | |
1989 | return -ENOTSUP; | |
1990 | } | |
1991 | return 0; | |
1992 | } | |
1993 | ||
1994 | static void pp_close(CharDriverState *chr) | |
1995 | { | |
1996 | ParallelCharDriver *drv = chr->opaque; | |
1997 | int fd = drv->fd; | |
1998 | ||
1999 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
2000 | ioctl(fd, PPRELEASE); | |
2001 | close(fd); | |
2002 | qemu_free(drv); | |
2003 | } | |
2004 | ||
2005 | static CharDriverState *qemu_chr_open_pp(const char *filename) | |
2006 | { | |
2007 | CharDriverState *chr; | |
2008 | ParallelCharDriver *drv; | |
2009 | int fd; | |
2010 | ||
2011 | fd = open(filename, O_RDWR); | |
2012 | if (fd < 0) | |
2013 | return NULL; | |
2014 | ||
2015 | if (ioctl(fd, PPCLAIM) < 0) { | |
2016 | close(fd); | |
2017 | return NULL; | |
2018 | } | |
2019 | ||
2020 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
2021 | if (!drv) { | |
2022 | close(fd); | |
2023 | return NULL; | |
2024 | } | |
2025 | drv->fd = fd; | |
2026 | drv->mode = IEEE1284_MODE_COMPAT; | |
2027 | ||
2028 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2029 | if (!chr) { | |
2030 | qemu_free(drv); | |
2031 | close(fd); | |
2032 | return NULL; | |
2033 | } | |
2034 | chr->chr_write = null_chr_write; | |
2035 | chr->chr_ioctl = pp_ioctl; | |
2036 | chr->chr_close = pp_close; | |
2037 | chr->opaque = drv; | |
2038 | ||
2039 | qemu_chr_reset(chr); | |
2040 | ||
2041 | return chr; | |
2042 | } | |
2043 | ||
2044 | #else | |
2045 | static CharDriverState *qemu_chr_open_pty(void) | |
2046 | { | |
2047 | return NULL; | |
2048 | } | |
2049 | #endif | |
2050 | ||
2051 | #endif /* !defined(_WIN32) */ | |
2052 | ||
2053 | #ifdef _WIN32 | |
2054 | typedef struct { | |
2055 | int max_size; | |
2056 | HANDLE hcom, hrecv, hsend; | |
2057 | OVERLAPPED orecv, osend; | |
2058 | BOOL fpipe; | |
2059 | DWORD len; | |
2060 | } WinCharState; | |
2061 | ||
2062 | #define NSENDBUF 2048 | |
2063 | #define NRECVBUF 2048 | |
2064 | #define MAXCONNECT 1 | |
2065 | #define NTIMEOUT 5000 | |
2066 | ||
2067 | static int win_chr_poll(void *opaque); | |
2068 | static int win_chr_pipe_poll(void *opaque); | |
2069 | ||
2070 | static void win_chr_close(CharDriverState *chr) | |
2071 | { | |
2072 | WinCharState *s = chr->opaque; | |
2073 | ||
2074 | if (s->hsend) { | |
2075 | CloseHandle(s->hsend); | |
2076 | s->hsend = NULL; | |
2077 | } | |
2078 | if (s->hrecv) { | |
2079 | CloseHandle(s->hrecv); | |
2080 | s->hrecv = NULL; | |
2081 | } | |
2082 | if (s->hcom) { | |
2083 | CloseHandle(s->hcom); | |
2084 | s->hcom = NULL; | |
2085 | } | |
2086 | if (s->fpipe) | |
2087 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
2088 | else | |
2089 | qemu_del_polling_cb(win_chr_poll, chr); | |
2090 | } | |
2091 | ||
2092 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
2093 | { | |
2094 | WinCharState *s = chr->opaque; | |
2095 | COMMCONFIG comcfg; | |
2096 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
2097 | COMSTAT comstat; | |
2098 | DWORD size; | |
2099 | DWORD err; | |
2100 | ||
2101 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2102 | if (!s->hsend) { | |
2103 | fprintf(stderr, "Failed CreateEvent\n"); | |
2104 | goto fail; | |
2105 | } | |
2106 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2107 | if (!s->hrecv) { | |
2108 | fprintf(stderr, "Failed CreateEvent\n"); | |
2109 | goto fail; | |
2110 | } | |
2111 | ||
2112 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
2113 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
2114 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2115 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
2116 | s->hcom = NULL; | |
2117 | goto fail; | |
2118 | } | |
2119 | ||
2120 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
2121 | fprintf(stderr, "Failed SetupComm\n"); | |
2122 | goto fail; | |
2123 | } | |
2124 | ||
2125 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
2126 | size = sizeof(COMMCONFIG); | |
2127 | GetDefaultCommConfig(filename, &comcfg, &size); | |
2128 | comcfg.dcb.DCBlength = sizeof(DCB); | |
2129 | CommConfigDialog(filename, NULL, &comcfg); | |
2130 | ||
2131 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
2132 | fprintf(stderr, "Failed SetCommState\n"); | |
2133 | goto fail; | |
2134 | } | |
2135 | ||
2136 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
2137 | fprintf(stderr, "Failed SetCommMask\n"); | |
2138 | goto fail; | |
2139 | } | |
2140 | ||
2141 | cto.ReadIntervalTimeout = MAXDWORD; | |
2142 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
2143 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
2144 | goto fail; | |
2145 | } | |
2146 | ||
2147 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
2148 | fprintf(stderr, "Failed ClearCommError\n"); | |
2149 | goto fail; | |
2150 | } | |
2151 | qemu_add_polling_cb(win_chr_poll, chr); | |
2152 | return 0; | |
2153 | ||
2154 | fail: | |
2155 | win_chr_close(chr); | |
2156 | return -1; | |
2157 | } | |
2158 | ||
2159 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
2160 | { | |
2161 | WinCharState *s = chr->opaque; | |
2162 | DWORD len, ret, size, err; | |
2163 | ||
2164 | len = len1; | |
2165 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
2166 | s->osend.hEvent = s->hsend; | |
2167 | while (len > 0) { | |
2168 | if (s->hsend) | |
2169 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
2170 | else | |
2171 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
2172 | if (!ret) { | |
2173 | err = GetLastError(); | |
2174 | if (err == ERROR_IO_PENDING) { | |
2175 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
2176 | if (ret) { | |
2177 | buf += size; | |
2178 | len -= size; | |
2179 | } else { | |
2180 | break; | |
2181 | } | |
2182 | } else { | |
2183 | break; | |
2184 | } | |
2185 | } else { | |
2186 | buf += size; | |
2187 | len -= size; | |
2188 | } | |
2189 | } | |
2190 | return len1 - len; | |
2191 | } | |
2192 | ||
2193 | static int win_chr_read_poll(CharDriverState *chr) | |
2194 | { | |
2195 | WinCharState *s = chr->opaque; | |
2196 | ||
2197 | s->max_size = qemu_chr_can_read(chr); | |
2198 | return s->max_size; | |
2199 | } | |
2200 | ||
2201 | static void win_chr_readfile(CharDriverState *chr) | |
2202 | { | |
2203 | WinCharState *s = chr->opaque; | |
2204 | int ret, err; | |
2205 | uint8_t buf[1024]; | |
2206 | DWORD size; | |
2207 | ||
2208 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
2209 | s->orecv.hEvent = s->hrecv; | |
2210 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
2211 | if (!ret) { | |
2212 | err = GetLastError(); | |
2213 | if (err == ERROR_IO_PENDING) { | |
2214 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
2215 | } | |
2216 | } | |
2217 | ||
2218 | if (size > 0) { | |
2219 | qemu_chr_read(chr, buf, size); | |
2220 | } | |
2221 | } | |
2222 | ||
2223 | static void win_chr_read(CharDriverState *chr) | |
2224 | { | |
2225 | WinCharState *s = chr->opaque; | |
2226 | ||
2227 | if (s->len > s->max_size) | |
2228 | s->len = s->max_size; | |
2229 | if (s->len == 0) | |
2230 | return; | |
2231 | ||
2232 | win_chr_readfile(chr); | |
2233 | } | |
2234 | ||
2235 | static int win_chr_poll(void *opaque) | |
2236 | { | |
2237 | CharDriverState *chr = opaque; | |
2238 | WinCharState *s = chr->opaque; | |
2239 | COMSTAT status; | |
2240 | DWORD comerr; | |
2241 | ||
2242 | ClearCommError(s->hcom, &comerr, &status); | |
2243 | if (status.cbInQue > 0) { | |
2244 | s->len = status.cbInQue; | |
2245 | win_chr_read_poll(chr); | |
2246 | win_chr_read(chr); | |
2247 | return 1; | |
2248 | } | |
2249 | return 0; | |
2250 | } | |
2251 | ||
2252 | static CharDriverState *qemu_chr_open_win(const char *filename) | |
2253 | { | |
2254 | CharDriverState *chr; | |
2255 | WinCharState *s; | |
2256 | ||
2257 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2258 | if (!chr) | |
2259 | return NULL; | |
2260 | s = qemu_mallocz(sizeof(WinCharState)); | |
2261 | if (!s) { | |
2262 | free(chr); | |
2263 | return NULL; | |
2264 | } | |
2265 | chr->opaque = s; | |
2266 | chr->chr_write = win_chr_write; | |
2267 | chr->chr_close = win_chr_close; | |
2268 | ||
2269 | if (win_chr_init(chr, filename) < 0) { | |
2270 | free(s); | |
2271 | free(chr); | |
2272 | return NULL; | |
2273 | } | |
2274 | qemu_chr_reset(chr); | |
2275 | return chr; | |
2276 | } | |
2277 | ||
2278 | static int win_chr_pipe_poll(void *opaque) | |
2279 | { | |
2280 | CharDriverState *chr = opaque; | |
2281 | WinCharState *s = chr->opaque; | |
2282 | DWORD size; | |
2283 | ||
2284 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
2285 | if (size > 0) { | |
2286 | s->len = size; | |
2287 | win_chr_read_poll(chr); | |
2288 | win_chr_read(chr); | |
2289 | return 1; | |
2290 | } | |
2291 | return 0; | |
2292 | } | |
2293 | ||
2294 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
2295 | { | |
2296 | WinCharState *s = chr->opaque; | |
2297 | OVERLAPPED ov; | |
2298 | int ret; | |
2299 | DWORD size; | |
2300 | char openname[256]; | |
2301 | ||
2302 | s->fpipe = TRUE; | |
2303 | ||
2304 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2305 | if (!s->hsend) { | |
2306 | fprintf(stderr, "Failed CreateEvent\n"); | |
2307 | goto fail; | |
2308 | } | |
2309 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2310 | if (!s->hrecv) { | |
2311 | fprintf(stderr, "Failed CreateEvent\n"); | |
2312 | goto fail; | |
2313 | } | |
2314 | ||
2315 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
2316 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
2317 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
2318 | PIPE_WAIT, | |
2319 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
2320 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2321 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
2322 | s->hcom = NULL; | |
2323 | goto fail; | |
2324 | } | |
2325 | ||
2326 | ZeroMemory(&ov, sizeof(ov)); | |
2327 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2328 | ret = ConnectNamedPipe(s->hcom, &ov); | |
2329 | if (ret) { | |
2330 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
2331 | goto fail; | |
2332 | } | |
2333 | ||
2334 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
2335 | if (!ret) { | |
2336 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
2337 | if (ov.hEvent) { | |
2338 | CloseHandle(ov.hEvent); | |
2339 | ov.hEvent = NULL; | |
2340 | } | |
2341 | goto fail; | |
2342 | } | |
2343 | ||
2344 | if (ov.hEvent) { | |
2345 | CloseHandle(ov.hEvent); | |
2346 | ov.hEvent = NULL; | |
2347 | } | |
2348 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
2349 | return 0; | |
2350 | ||
2351 | fail: | |
2352 | win_chr_close(chr); | |
2353 | return -1; | |
2354 | } | |
2355 | ||
2356 | ||
2357 | static CharDriverState *qemu_chr_open_win_pipe(const char *filename) | |
2358 | { | |
2359 | CharDriverState *chr; | |
2360 | WinCharState *s; | |
2361 | ||
2362 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2363 | if (!chr) | |
2364 | return NULL; | |
2365 | s = qemu_mallocz(sizeof(WinCharState)); | |
2366 | if (!s) { | |
2367 | free(chr); | |
2368 | return NULL; | |
2369 | } | |
2370 | chr->opaque = s; | |
2371 | chr->chr_write = win_chr_write; | |
2372 | chr->chr_close = win_chr_close; | |
2373 | ||
2374 | if (win_chr_pipe_init(chr, filename) < 0) { | |
2375 | free(s); | |
2376 | free(chr); | |
2377 | return NULL; | |
2378 | } | |
2379 | qemu_chr_reset(chr); | |
2380 | return chr; | |
2381 | } | |
2382 | ||
2383 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
2384 | { | |
2385 | CharDriverState *chr; | |
2386 | WinCharState *s; | |
2387 | ||
2388 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2389 | if (!chr) | |
2390 | return NULL; | |
2391 | s = qemu_mallocz(sizeof(WinCharState)); | |
2392 | if (!s) { | |
2393 | free(chr); | |
2394 | return NULL; | |
2395 | } | |
2396 | s->hcom = fd_out; | |
2397 | chr->opaque = s; | |
2398 | chr->chr_write = win_chr_write; | |
2399 | qemu_chr_reset(chr); | |
2400 | return chr; | |
2401 | } | |
2402 | ||
2403 | static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) | |
2404 | { | |
2405 | HANDLE fd_out; | |
2406 | ||
2407 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
2408 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
2409 | if (fd_out == INVALID_HANDLE_VALUE) | |
2410 | return NULL; | |
2411 | ||
2412 | return qemu_chr_open_win_file(fd_out); | |
2413 | } | |
2414 | #endif | |
2415 | ||
2416 | /***********************************************************/ | |
2417 | /* UDP Net console */ | |
2418 | ||
2419 | typedef struct { | |
2420 | int fd; | |
2421 | struct sockaddr_in daddr; | |
2422 | char buf[1024]; | |
2423 | int bufcnt; | |
2424 | int bufptr; | |
2425 | int max_size; | |
2426 | } NetCharDriver; | |
2427 | ||
2428 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2429 | { | |
2430 | NetCharDriver *s = chr->opaque; | |
2431 | ||
2432 | return sendto(s->fd, buf, len, 0, | |
2433 | (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); | |
2434 | } | |
2435 | ||
2436 | static int udp_chr_read_poll(void *opaque) | |
2437 | { | |
2438 | CharDriverState *chr = opaque; | |
2439 | NetCharDriver *s = chr->opaque; | |
2440 | ||
2441 | s->max_size = qemu_chr_can_read(chr); | |
2442 | ||
2443 | /* If there were any stray characters in the queue process them | |
2444 | * first | |
2445 | */ | |
2446 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2447 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
2448 | s->bufptr++; | |
2449 | s->max_size = qemu_chr_can_read(chr); | |
2450 | } | |
2451 | return s->max_size; | |
2452 | } | |
2453 | ||
2454 | static void udp_chr_read(void *opaque) | |
2455 | { | |
2456 | CharDriverState *chr = opaque; | |
2457 | NetCharDriver *s = chr->opaque; | |
2458 | ||
2459 | if (s->max_size == 0) | |
2460 | return; | |
2461 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
2462 | s->bufptr = s->bufcnt; | |
2463 | if (s->bufcnt <= 0) | |
2464 | return; | |
2465 | ||
2466 | s->bufptr = 0; | |
2467 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2468 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
2469 | s->bufptr++; | |
2470 | s->max_size = qemu_chr_can_read(chr); | |
2471 | } | |
2472 | } | |
2473 | ||
2474 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2475 | { | |
2476 | NetCharDriver *s = chr->opaque; | |
2477 | ||
2478 | if (s->fd >= 0) { | |
2479 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
2480 | udp_chr_read, NULL, chr); | |
2481 | } | |
2482 | } | |
2483 | ||
2484 | int parse_host_port(struct sockaddr_in *saddr, const char *str); | |
2485 | #ifndef _WIN32 | |
2486 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str); | |
2487 | #endif | |
2488 | int parse_host_src_port(struct sockaddr_in *haddr, | |
2489 | struct sockaddr_in *saddr, | |
2490 | const char *str); | |
2491 | ||
2492 | static CharDriverState *qemu_chr_open_udp(const char *def) | |
2493 | { | |
2494 | CharDriverState *chr = NULL; | |
2495 | NetCharDriver *s = NULL; | |
2496 | int fd = -1; | |
2497 | struct sockaddr_in saddr; | |
2498 | ||
2499 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2500 | if (!chr) | |
2501 | goto return_err; | |
2502 | s = qemu_mallocz(sizeof(NetCharDriver)); | |
2503 | if (!s) | |
2504 | goto return_err; | |
2505 | ||
2506 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
2507 | if (fd < 0) { | |
2508 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
2509 | goto return_err; | |
2510 | } | |
2511 | ||
2512 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { | |
2513 | printf("Could not parse: %s\n", def); | |
2514 | goto return_err; | |
2515 | } | |
2516 | ||
2517 | if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) | |
2518 | { | |
2519 | perror("bind"); | |
2520 | goto return_err; | |
2521 | } | |
2522 | ||
2523 | s->fd = fd; | |
2524 | s->bufcnt = 0; | |
2525 | s->bufptr = 0; | |
2526 | chr->opaque = s; | |
2527 | chr->chr_write = udp_chr_write; | |
2528 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
2529 | return chr; | |
2530 | ||
2531 | return_err: | |
2532 | if (chr) | |
2533 | free(chr); | |
2534 | if (s) | |
2535 | free(s); | |
2536 | if (fd >= 0) | |
2537 | closesocket(fd); | |
2538 | return NULL; | |
2539 | } | |
2540 | ||
2541 | /***********************************************************/ | |
2542 | /* TCP Net console */ | |
2543 | ||
2544 | typedef struct { | |
2545 | int fd, listen_fd; | |
2546 | int connected; | |
2547 | int max_size; | |
2548 | int do_telnetopt; | |
2549 | int do_nodelay; | |
2550 | int is_unix; | |
2551 | } TCPCharDriver; | |
2552 | ||
2553 | static void tcp_chr_accept(void *opaque); | |
2554 | ||
2555 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2556 | { | |
2557 | TCPCharDriver *s = chr->opaque; | |
2558 | if (s->connected) { | |
2559 | return send_all(s->fd, buf, len); | |
2560 | } else { | |
2561 | /* XXX: indicate an error ? */ | |
2562 | return len; | |
2563 | } | |
2564 | } | |
2565 | ||
2566 | static int tcp_chr_read_poll(void *opaque) | |
2567 | { | |
2568 | CharDriverState *chr = opaque; | |
2569 | TCPCharDriver *s = chr->opaque; | |
2570 | if (!s->connected) | |
2571 | return 0; | |
2572 | s->max_size = qemu_chr_can_read(chr); | |
2573 | return s->max_size; | |
2574 | } | |
2575 | ||
2576 | #define IAC 255 | |
2577 | #define IAC_BREAK 243 | |
2578 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2579 | TCPCharDriver *s, | |
2580 | char *buf, int *size) | |
2581 | { | |
2582 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2583 | * char mode with no echo. All IAC options will be removed from | |
2584 | * the buf and the do_telnetopt variable will be used to track the | |
2585 | * state of the width of the IAC information. | |
2586 | * | |
2587 | * IAC commands come in sets of 3 bytes with the exception of the | |
2588 | * "IAC BREAK" command and the double IAC. | |
2589 | */ | |
2590 | ||
2591 | int i; | |
2592 | int j = 0; | |
2593 | ||
2594 | for (i = 0; i < *size; i++) { | |
2595 | if (s->do_telnetopt > 1) { | |
2596 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2597 | /* Double IAC means send an IAC */ | |
2598 | if (j != i) | |
2599 | buf[j] = buf[i]; | |
2600 | j++; | |
2601 | s->do_telnetopt = 1; | |
2602 | } else { | |
2603 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2604 | /* Handle IAC break commands by sending a serial break */ | |
2605 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
2606 | s->do_telnetopt++; | |
2607 | } | |
2608 | s->do_telnetopt++; | |
2609 | } | |
2610 | if (s->do_telnetopt >= 4) { | |
2611 | s->do_telnetopt = 1; | |
2612 | } | |
2613 | } else { | |
2614 | if ((unsigned char)buf[i] == IAC) { | |
2615 | s->do_telnetopt = 2; | |
2616 | } else { | |
2617 | if (j != i) | |
2618 | buf[j] = buf[i]; | |
2619 | j++; | |
2620 | } | |
2621 | } | |
2622 | } | |
2623 | *size = j; | |
2624 | } | |
2625 | ||
2626 | static void tcp_chr_read(void *opaque) | |
2627 | { | |
2628 | CharDriverState *chr = opaque; | |
2629 | TCPCharDriver *s = chr->opaque; | |
2630 | uint8_t buf[1024]; | |
2631 | int len, size; | |
2632 | ||
2633 | if (!s->connected || s->max_size <= 0) | |
2634 | return; | |
2635 | len = sizeof(buf); | |
2636 | if (len > s->max_size) | |
2637 | len = s->max_size; | |
2638 | size = recv(s->fd, buf, len, 0); | |
2639 | if (size == 0) { | |
2640 | /* connection closed */ | |
2641 | s->connected = 0; | |
2642 | if (s->listen_fd >= 0) { | |
2643 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2644 | } | |
2645 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2646 | closesocket(s->fd); | |
2647 | s->fd = -1; | |
2648 | } else if (size > 0) { | |
2649 | if (s->do_telnetopt) | |
2650 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2651 | if (size > 0) | |
2652 | qemu_chr_read(chr, buf, size); | |
2653 | } | |
2654 | } | |
2655 | ||
2656 | static void tcp_chr_connect(void *opaque) | |
2657 | { | |
2658 | CharDriverState *chr = opaque; | |
2659 | TCPCharDriver *s = chr->opaque; | |
2660 | ||
2661 | s->connected = 1; | |
2662 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2663 | tcp_chr_read, NULL, chr); | |
2664 | qemu_chr_reset(chr); | |
2665 | } | |
2666 | ||
2667 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2668 | static void tcp_chr_telnet_init(int fd) | |
2669 | { | |
2670 | char buf[3]; | |
2671 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2672 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2673 | send(fd, (char *)buf, 3, 0); | |
2674 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2675 | send(fd, (char *)buf, 3, 0); | |
2676 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2677 | send(fd, (char *)buf, 3, 0); | |
2678 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2679 | send(fd, (char *)buf, 3, 0); | |
2680 | } | |
2681 | ||
2682 | static void socket_set_nodelay(int fd) | |
2683 | { | |
2684 | int val = 1; | |
2685 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
2686 | } | |
2687 | ||
2688 | static void tcp_chr_accept(void *opaque) | |
2689 | { | |
2690 | CharDriverState *chr = opaque; | |
2691 | TCPCharDriver *s = chr->opaque; | |
2692 | struct sockaddr_in saddr; | |
2693 | #ifndef _WIN32 | |
2694 | struct sockaddr_un uaddr; | |
2695 | #endif | |
2696 | struct sockaddr *addr; | |
2697 | socklen_t len; | |
2698 | int fd; | |
2699 | ||
2700 | for(;;) { | |
2701 | #ifndef _WIN32 | |
2702 | if (s->is_unix) { | |
2703 | len = sizeof(uaddr); | |
2704 | addr = (struct sockaddr *)&uaddr; | |
2705 | } else | |
2706 | #endif | |
2707 | { | |
2708 | len = sizeof(saddr); | |
2709 | addr = (struct sockaddr *)&saddr; | |
2710 | } | |
2711 | fd = accept(s->listen_fd, addr, &len); | |
2712 | if (fd < 0 && errno != EINTR) { | |
2713 | return; | |
2714 | } else if (fd >= 0) { | |
2715 | if (s->do_telnetopt) | |
2716 | tcp_chr_telnet_init(fd); | |
2717 | break; | |
2718 | } | |
2719 | } | |
2720 | socket_set_nonblock(fd); | |
2721 | if (s->do_nodelay) | |
2722 | socket_set_nodelay(fd); | |
2723 | s->fd = fd; | |
2724 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
2725 | tcp_chr_connect(chr); | |
2726 | } | |
2727 | ||
2728 | static void tcp_chr_close(CharDriverState *chr) | |
2729 | { | |
2730 | TCPCharDriver *s = chr->opaque; | |
2731 | if (s->fd >= 0) | |
2732 | closesocket(s->fd); | |
2733 | if (s->listen_fd >= 0) | |
2734 | closesocket(s->listen_fd); | |
2735 | qemu_free(s); | |
2736 | } | |
2737 | ||
2738 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, | |
2739 | int is_telnet, | |
2740 | int is_unix) | |
2741 | { | |
2742 | CharDriverState *chr = NULL; | |
2743 | TCPCharDriver *s = NULL; | |
2744 | int fd = -1, ret, err, val; | |
2745 | int is_listen = 0; | |
2746 | int is_waitconnect = 1; | |
2747 | int do_nodelay = 0; | |
2748 | const char *ptr; | |
2749 | struct sockaddr_in saddr; | |
2750 | #ifndef _WIN32 | |
2751 | struct sockaddr_un uaddr; | |
2752 | #endif | |
2753 | struct sockaddr *addr; | |
2754 | socklen_t addrlen; | |
2755 | ||
2756 | #ifndef _WIN32 | |
2757 | if (is_unix) { | |
2758 | addr = (struct sockaddr *)&uaddr; | |
2759 | addrlen = sizeof(uaddr); | |
2760 | if (parse_unix_path(&uaddr, host_str) < 0) | |
2761 | goto fail; | |
2762 | } else | |
2763 | #endif | |
2764 | { | |
2765 | addr = (struct sockaddr *)&saddr; | |
2766 | addrlen = sizeof(saddr); | |
2767 | if (parse_host_port(&saddr, host_str) < 0) | |
2768 | goto fail; | |
2769 | } | |
2770 | ||
2771 | ptr = host_str; | |
2772 | while((ptr = strchr(ptr,','))) { | |
2773 | ptr++; | |
2774 | if (!strncmp(ptr,"server",6)) { | |
2775 | is_listen = 1; | |
2776 | } else if (!strncmp(ptr,"nowait",6)) { | |
2777 | is_waitconnect = 0; | |
2778 | } else if (!strncmp(ptr,"nodelay",6)) { | |
2779 | do_nodelay = 1; | |
2780 | } else { | |
2781 | printf("Unknown option: %s\n", ptr); | |
2782 | goto fail; | |
2783 | } | |
2784 | } | |
2785 | if (!is_listen) | |
2786 | is_waitconnect = 0; | |
2787 | ||
2788 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2789 | if (!chr) | |
2790 | goto fail; | |
2791 | s = qemu_mallocz(sizeof(TCPCharDriver)); | |
2792 | if (!s) | |
2793 | goto fail; | |
2794 | ||
2795 | #ifndef _WIN32 | |
2796 | if (is_unix) | |
2797 | fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
2798 | else | |
2799 | #endif | |
2800 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
2801 | ||
2802 | if (fd < 0) | |
2803 | goto fail; | |
2804 | ||
2805 | if (!is_waitconnect) | |
2806 | socket_set_nonblock(fd); | |
2807 | ||
2808 | s->connected = 0; | |
2809 | s->fd = -1; | |
2810 | s->listen_fd = -1; | |
2811 | s->is_unix = is_unix; | |
2812 | s->do_nodelay = do_nodelay && !is_unix; | |
2813 | ||
2814 | chr->opaque = s; | |
2815 | chr->chr_write = tcp_chr_write; | |
2816 | chr->chr_close = tcp_chr_close; | |
2817 | ||
2818 | if (is_listen) { | |
2819 | /* allow fast reuse */ | |
2820 | #ifndef _WIN32 | |
2821 | if (is_unix) { | |
2822 | char path[109]; | |
2823 | strncpy(path, uaddr.sun_path, 108); | |
2824 | path[108] = 0; | |
2825 | unlink(path); | |
2826 | } else | |
2827 | #endif | |
2828 | { | |
2829 | val = 1; | |
2830 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
2831 | } | |
2832 | ||
2833 | ret = bind(fd, addr, addrlen); | |
2834 | if (ret < 0) | |
2835 | goto fail; | |
2836 | ||
2837 | ret = listen(fd, 0); | |
2838 | if (ret < 0) | |
2839 | goto fail; | |
2840 | ||
2841 | s->listen_fd = fd; | |
2842 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2843 | if (is_telnet) | |
2844 | s->do_telnetopt = 1; | |
2845 | } else { | |
2846 | for(;;) { | |
2847 | ret = connect(fd, addr, addrlen); | |
2848 | if (ret < 0) { | |
2849 | err = socket_error(); | |
2850 | if (err == EINTR || err == EWOULDBLOCK) { | |
2851 | } else if (err == EINPROGRESS) { | |
2852 | break; | |
2853 | } else { | |
2854 | goto fail; | |
2855 | } | |
2856 | } else { | |
2857 | s->connected = 1; | |
2858 | break; | |
2859 | } | |
2860 | } | |
2861 | s->fd = fd; | |
2862 | socket_set_nodelay(fd); | |
2863 | if (s->connected) | |
2864 | tcp_chr_connect(chr); | |
2865 | else | |
2866 | qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); | |
2867 | } | |
2868 | ||
2869 | if (is_listen && is_waitconnect) { | |
2870 | printf("QEMU waiting for connection on: %s\n", host_str); | |
2871 | tcp_chr_accept(chr); | |
2872 | socket_set_nonblock(s->listen_fd); | |
2873 | } | |
2874 | ||
2875 | return chr; | |
2876 | fail: | |
2877 | if (fd >= 0) | |
2878 | closesocket(fd); | |
2879 | qemu_free(s); | |
2880 | qemu_free(chr); | |
2881 | return NULL; | |
2882 | } | |
2883 | ||
2884 | CharDriverState *qemu_chr_open(const char *filename) | |
2885 | { | |
2886 | const char *p; | |
2887 | ||
2888 | if (!strcmp(filename, "vc")) { | |
2889 | return text_console_init(&display_state); | |
2890 | } else if (!strcmp(filename, "null")) { | |
2891 | return qemu_chr_open_null(); | |
2892 | } else | |
2893 | if (strstart(filename, "tcp:", &p)) { | |
2894 | return qemu_chr_open_tcp(p, 0, 0); | |
2895 | } else | |
2896 | if (strstart(filename, "telnet:", &p)) { | |
2897 | return qemu_chr_open_tcp(p, 1, 0); | |
2898 | } else | |
2899 | if (strstart(filename, "udp:", &p)) { | |
2900 | return qemu_chr_open_udp(p); | |
2901 | } else | |
2902 | if (strstart(filename, "mon:", &p)) { | |
2903 | CharDriverState *drv = qemu_chr_open(p); | |
2904 | if (drv) { | |
2905 | drv = qemu_chr_open_mux(drv); | |
2906 | monitor_init(drv, !nographic); | |
2907 | return drv; | |
2908 | } | |
2909 | printf("Unable to open driver: %s\n", p); | |
2910 | return 0; | |
2911 | } else | |
2912 | #ifndef _WIN32 | |
2913 | if (strstart(filename, "unix:", &p)) { | |
2914 | return qemu_chr_open_tcp(p, 0, 1); | |
2915 | } else if (strstart(filename, "file:", &p)) { | |
2916 | return qemu_chr_open_file_out(p); | |
2917 | } else if (strstart(filename, "pipe:", &p)) { | |
2918 | return qemu_chr_open_pipe(p); | |
2919 | } else if (!strcmp(filename, "pty")) { | |
2920 | return qemu_chr_open_pty(); | |
2921 | } else if (!strcmp(filename, "stdio")) { | |
2922 | return qemu_chr_open_stdio(); | |
2923 | } else | |
2924 | #endif | |
2925 | #if defined(__linux__) | |
2926 | if (strstart(filename, "/dev/parport", NULL)) { | |
2927 | return qemu_chr_open_pp(filename); | |
2928 | } else | |
2929 | if (strstart(filename, "/dev/", NULL)) { | |
2930 | return qemu_chr_open_tty(filename); | |
2931 | } else | |
2932 | #endif | |
2933 | #ifdef _WIN32 | |
2934 | if (strstart(filename, "COM", NULL)) { | |
2935 | return qemu_chr_open_win(filename); | |
2936 | } else | |
2937 | if (strstart(filename, "pipe:", &p)) { | |
2938 | return qemu_chr_open_win_pipe(p); | |
2939 | } else | |
2940 | if (strstart(filename, "file:", &p)) { | |
2941 | return qemu_chr_open_win_file_out(p); | |
2942 | } | |
2943 | #endif | |
2944 | { | |
2945 | return NULL; | |
2946 | } | |
2947 | } | |
2948 | ||
2949 | void qemu_chr_close(CharDriverState *chr) | |
2950 | { | |
2951 | if (chr->chr_close) | |
2952 | chr->chr_close(chr); | |
2953 | } | |
2954 | ||
2955 | /***********************************************************/ | |
2956 | /* network device redirectors */ | |
2957 | ||
2958 | void hex_dump(FILE *f, const uint8_t *buf, int size) | |
2959 | { | |
2960 | int len, i, j, c; | |
2961 | ||
2962 | for(i=0;i<size;i+=16) { | |
2963 | len = size - i; | |
2964 | if (len > 16) | |
2965 | len = 16; | |
2966 | fprintf(f, "%08x ", i); | |
2967 | for(j=0;j<16;j++) { | |
2968 | if (j < len) | |
2969 | fprintf(f, " %02x", buf[i+j]); | |
2970 | else | |
2971 | fprintf(f, " "); | |
2972 | } | |
2973 | fprintf(f, " "); | |
2974 | for(j=0;j<len;j++) { | |
2975 | c = buf[i+j]; | |
2976 | if (c < ' ' || c > '~') | |
2977 | c = '.'; | |
2978 | fprintf(f, "%c", c); | |
2979 | } | |
2980 | fprintf(f, "\n"); | |
2981 | } | |
2982 | } | |
2983 | ||
2984 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
2985 | { | |
2986 | int i; | |
2987 | for(i = 0; i < 6; i++) { | |
2988 | macaddr[i] = strtol(p, (char **)&p, 16); | |
2989 | if (i == 5) { | |
2990 | if (*p != '\0') | |
2991 | return -1; | |
2992 | } else { | |
2993 | if (*p != ':') | |
2994 | return -1; | |
2995 | p++; | |
2996 | } | |
2997 | } | |
2998 | return 0; | |
2999 | } | |
3000 | ||
3001 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
3002 | { | |
3003 | const char *p, *p1; | |
3004 | int len; | |
3005 | p = *pp; | |
3006 | p1 = strchr(p, sep); | |
3007 | if (!p1) | |
3008 | return -1; | |
3009 | len = p1 - p; | |
3010 | p1++; | |
3011 | if (buf_size > 0) { | |
3012 | if (len > buf_size - 1) | |
3013 | len = buf_size - 1; | |
3014 | memcpy(buf, p, len); | |
3015 | buf[len] = '\0'; | |
3016 | } | |
3017 | *pp = p1; | |
3018 | return 0; | |
3019 | } | |
3020 | ||
3021 | int parse_host_src_port(struct sockaddr_in *haddr, | |
3022 | struct sockaddr_in *saddr, | |
3023 | const char *input_str) | |
3024 | { | |
3025 | char *str = strdup(input_str); | |
3026 | char *host_str = str; | |
3027 | char *src_str; | |
3028 | char *ptr; | |
3029 | ||
3030 | /* | |
3031 | * Chop off any extra arguments at the end of the string which | |
3032 | * would start with a comma, then fill in the src port information | |
3033 | * if it was provided else use the "any address" and "any port". | |
3034 | */ | |
3035 | if ((ptr = strchr(str,','))) | |
3036 | *ptr = '\0'; | |
3037 | ||
3038 | if ((src_str = strchr(input_str,'@'))) { | |
3039 | *src_str = '\0'; | |
3040 | src_str++; | |
3041 | } | |
3042 | ||
3043 | if (parse_host_port(haddr, host_str) < 0) | |
3044 | goto fail; | |
3045 | ||
3046 | if (!src_str || *src_str == '\0') | |
3047 | src_str = ":0"; | |
3048 | ||
3049 | if (parse_host_port(saddr, src_str) < 0) | |
3050 | goto fail; | |
3051 | ||
3052 | free(str); | |
3053 | return(0); | |
3054 | ||
3055 | fail: | |
3056 | free(str); | |
3057 | return -1; | |
3058 | } | |
3059 | ||
3060 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
3061 | { | |
3062 | char buf[512]; | |
3063 | struct hostent *he; | |
3064 | const char *p, *r; | |
3065 | int port; | |
3066 | ||
3067 | p = str; | |
3068 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3069 | return -1; | |
3070 | saddr->sin_family = AF_INET; | |
3071 | if (buf[0] == '\0') { | |
3072 | saddr->sin_addr.s_addr = 0; | |
3073 | } else { | |
3074 | if (isdigit(buf[0])) { | |
3075 | if (!inet_aton(buf, &saddr->sin_addr)) | |
3076 | return -1; | |
3077 | } else { | |
3078 | if ((he = gethostbyname(buf)) == NULL) | |
3079 | return - 1; | |
3080 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
3081 | } | |
3082 | } | |
3083 | port = strtol(p, (char **)&r, 0); | |
3084 | if (r == p) | |
3085 | return -1; | |
3086 | saddr->sin_port = htons(port); | |
3087 | return 0; | |
3088 | } | |
3089 | ||
3090 | #ifndef _WIN32 | |
3091 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
3092 | { | |
3093 | const char *p; | |
3094 | int len; | |
3095 | ||
3096 | len = MIN(108, strlen(str)); | |
3097 | p = strchr(str, ','); | |
3098 | if (p) | |
3099 | len = MIN(len, p - str); | |
3100 | ||
3101 | memset(uaddr, 0, sizeof(*uaddr)); | |
3102 | ||
3103 | uaddr->sun_family = AF_UNIX; | |
3104 | memcpy(uaddr->sun_path, str, len); | |
3105 | ||
3106 | return 0; | |
3107 | } | |
3108 | #endif | |
3109 | ||
3110 | /* find or alloc a new VLAN */ | |
3111 | VLANState *qemu_find_vlan(int id) | |
3112 | { | |
3113 | VLANState **pvlan, *vlan; | |
3114 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
3115 | if (vlan->id == id) | |
3116 | return vlan; | |
3117 | } | |
3118 | vlan = qemu_mallocz(sizeof(VLANState)); | |
3119 | if (!vlan) | |
3120 | return NULL; | |
3121 | vlan->id = id; | |
3122 | vlan->next = NULL; | |
3123 | pvlan = &first_vlan; | |
3124 | while (*pvlan != NULL) | |
3125 | pvlan = &(*pvlan)->next; | |
3126 | *pvlan = vlan; | |
3127 | return vlan; | |
3128 | } | |
3129 | ||
3130 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, | |
3131 | IOReadHandler *fd_read, | |
3132 | IOCanRWHandler *fd_can_read, | |
3133 | void *opaque) | |
3134 | { | |
3135 | VLANClientState *vc, **pvc; | |
3136 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
3137 | if (!vc) | |
3138 | return NULL; | |
3139 | vc->fd_read = fd_read; | |
3140 | vc->fd_can_read = fd_can_read; | |
3141 | vc->opaque = opaque; | |
3142 | vc->vlan = vlan; | |
3143 | ||
3144 | vc->next = NULL; | |
3145 | pvc = &vlan->first_client; | |
3146 | while (*pvc != NULL) | |
3147 | pvc = &(*pvc)->next; | |
3148 | *pvc = vc; | |
3149 | return vc; | |
3150 | } | |
3151 | ||
3152 | int qemu_can_send_packet(VLANClientState *vc1) | |
3153 | { | |
3154 | VLANState *vlan = vc1->vlan; | |
3155 | VLANClientState *vc; | |
3156 | ||
3157 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
3158 | if (vc != vc1) { | |
3159 | if (vc->fd_can_read && !vc->fd_can_read(vc->opaque)) | |
3160 | return 0; | |
3161 | } | |
3162 | } | |
3163 | return 1; | |
3164 | } | |
3165 | ||
3166 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
3167 | { | |
3168 | VLANState *vlan = vc1->vlan; | |
3169 | VLANClientState *vc; | |
3170 | ||
3171 | #if 0 | |
3172 | printf("vlan %d send:\n", vlan->id); | |
3173 | hex_dump(stdout, buf, size); | |
3174 | #endif | |
3175 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
3176 | if (vc != vc1) { | |
3177 | vc->fd_read(vc->opaque, buf, size); | |
3178 | } | |
3179 | } | |
3180 | } | |
3181 | ||
3182 | #if defined(CONFIG_SLIRP) | |
3183 | ||
3184 | /* slirp network adapter */ | |
3185 | ||
3186 | static int slirp_inited; | |
3187 | static VLANClientState *slirp_vc; | |
3188 | ||
3189 | int slirp_can_output(void) | |
3190 | { | |
3191 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
3192 | } | |
3193 | ||
3194 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
3195 | { | |
3196 | #if 0 | |
3197 | printf("slirp output:\n"); | |
3198 | hex_dump(stdout, pkt, pkt_len); | |
3199 | #endif | |
3200 | if (!slirp_vc) | |
3201 | return; | |
3202 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
3203 | } | |
3204 | ||
3205 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
3206 | { | |
3207 | #if 0 | |
3208 | printf("slirp input:\n"); | |
3209 | hex_dump(stdout, buf, size); | |
3210 | #endif | |
3211 | slirp_input(buf, size); | |
3212 | } | |
3213 | ||
3214 | static int net_slirp_init(VLANState *vlan) | |
3215 | { | |
3216 | if (!slirp_inited) { | |
3217 | slirp_inited = 1; | |
3218 | slirp_init(); | |
3219 | } | |
3220 | slirp_vc = qemu_new_vlan_client(vlan, | |
3221 | slirp_receive, NULL, NULL); | |
3222 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); | |
3223 | return 0; | |
3224 | } | |
3225 | ||
3226 | static void net_slirp_redir(const char *redir_str) | |
3227 | { | |
3228 | int is_udp; | |
3229 | char buf[256], *r; | |
3230 | const char *p; | |
3231 | struct in_addr guest_addr; | |
3232 | int host_port, guest_port; | |
3233 | ||
3234 | if (!slirp_inited) { | |
3235 | slirp_inited = 1; | |
3236 | slirp_init(); | |
3237 | } | |
3238 | ||
3239 | p = redir_str; | |
3240 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3241 | goto fail; | |
3242 | if (!strcmp(buf, "tcp")) { | |
3243 | is_udp = 0; | |
3244 | } else if (!strcmp(buf, "udp")) { | |
3245 | is_udp = 1; | |
3246 | } else { | |
3247 | goto fail; | |
3248 | } | |
3249 | ||
3250 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3251 | goto fail; | |
3252 | host_port = strtol(buf, &r, 0); | |
3253 | if (r == buf) | |
3254 | goto fail; | |
3255 | ||
3256 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3257 | goto fail; | |
3258 | if (buf[0] == '\0') { | |
3259 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
3260 | } | |
3261 | if (!inet_aton(buf, &guest_addr)) | |
3262 | goto fail; | |
3263 | ||
3264 | guest_port = strtol(p, &r, 0); | |
3265 | if (r == p) | |
3266 | goto fail; | |
3267 | ||
3268 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
3269 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
3270 | exit(1); | |
3271 | } | |
3272 | return; | |
3273 | fail: | |
3274 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
3275 | exit(1); | |
3276 | } | |
3277 | ||
3278 | #ifndef _WIN32 | |
3279 | ||
3280 | char smb_dir[1024]; | |
3281 | ||
3282 | static void smb_exit(void) | |
3283 | { | |
3284 | DIR *d; | |
3285 | struct dirent *de; | |
3286 | char filename[1024]; | |
3287 | ||
3288 | /* erase all the files in the directory */ | |
3289 | d = opendir(smb_dir); | |
3290 | for(;;) { | |
3291 | de = readdir(d); | |
3292 | if (!de) | |
3293 | break; | |
3294 | if (strcmp(de->d_name, ".") != 0 && | |
3295 | strcmp(de->d_name, "..") != 0) { | |
3296 | snprintf(filename, sizeof(filename), "%s/%s", | |
3297 | smb_dir, de->d_name); | |
3298 | unlink(filename); | |
3299 | } | |
3300 | } | |
3301 | closedir(d); | |
3302 | rmdir(smb_dir); | |
3303 | } | |
3304 | ||
3305 | /* automatic user mode samba server configuration */ | |
3306 | void net_slirp_smb(const char *exported_dir) | |
3307 | { | |
3308 | char smb_conf[1024]; | |
3309 | char smb_cmdline[1024]; | |
3310 | FILE *f; | |
3311 | ||
3312 | if (!slirp_inited) { | |
3313 | slirp_inited = 1; | |
3314 | slirp_init(); | |
3315 | } | |
3316 | ||
3317 | /* XXX: better tmp dir construction */ | |
3318 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
3319 | if (mkdir(smb_dir, 0700) < 0) { | |
3320 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
3321 | exit(1); | |
3322 | } | |
3323 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
3324 | ||
3325 | f = fopen(smb_conf, "w"); | |
3326 | if (!f) { | |
3327 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
3328 | exit(1); | |
3329 | } | |
3330 | fprintf(f, | |
3331 | "[global]\n" | |
3332 | "private dir=%s\n" | |
3333 | "smb ports=0\n" | |
3334 | "socket address=127.0.0.1\n" | |
3335 | "pid directory=%s\n" | |
3336 | "lock directory=%s\n" | |
3337 | "log file=%s/log.smbd\n" | |
3338 | "smb passwd file=%s/smbpasswd\n" | |
3339 | "security = share\n" | |
3340 | "[qemu]\n" | |
3341 | "path=%s\n" | |
3342 | "read only=no\n" | |
3343 | "guest ok=yes\n", | |
3344 | smb_dir, | |
3345 | smb_dir, | |
3346 | smb_dir, | |
3347 | smb_dir, | |
3348 | smb_dir, | |
3349 | exported_dir | |
3350 | ); | |
3351 | fclose(f); | |
3352 | atexit(smb_exit); | |
3353 | ||
3354 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", | |
3355 | SMBD_COMMAND, smb_conf); | |
3356 | ||
3357 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
3358 | } | |
3359 | ||
3360 | #endif /* !defined(_WIN32) */ | |
3361 | ||
3362 | #endif /* CONFIG_SLIRP */ | |
3363 | ||
3364 | #if !defined(_WIN32) | |
3365 | ||
3366 | typedef struct TAPState { | |
3367 | VLANClientState *vc; | |
3368 | int fd; | |
3369 | } TAPState; | |
3370 | ||
3371 | static void tap_receive(void *opaque, const uint8_t *buf, int size) | |
3372 | { | |
3373 | TAPState *s = opaque; | |
3374 | int ret; | |
3375 | for(;;) { | |
3376 | ret = write(s->fd, buf, size); | |
3377 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
3378 | } else { | |
3379 | break; | |
3380 | } | |
3381 | } | |
3382 | } | |
3383 | ||
3384 | static void tap_send(void *opaque) | |
3385 | { | |
3386 | TAPState *s = opaque; | |
3387 | uint8_t buf[4096]; | |
3388 | int size; | |
3389 | ||
3390 | #ifdef __sun__ | |
3391 | struct strbuf sbuf; | |
3392 | int f = 0; | |
3393 | sbuf.maxlen = sizeof(buf); | |
3394 | sbuf.buf = buf; | |
3395 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; | |
3396 | #else | |
3397 | size = read(s->fd, buf, sizeof(buf)); | |
3398 | #endif | |
3399 | if (size > 0) { | |
3400 | qemu_send_packet(s->vc, buf, size); | |
3401 | } | |
3402 | } | |
3403 | ||
3404 | /* fd support */ | |
3405 | ||
3406 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) | |
3407 | { | |
3408 | TAPState *s; | |
3409 | ||
3410 | s = qemu_mallocz(sizeof(TAPState)); | |
3411 | if (!s) | |
3412 | return NULL; | |
3413 | s->fd = fd; | |
3414 | s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); | |
3415 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); | |
3416 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); | |
3417 | return s; | |
3418 | } | |
3419 | ||
3420 | #ifdef _BSD | |
3421 | static int tap_open(char *ifname, int ifname_size) | |
3422 | { | |
3423 | int fd; | |
3424 | char *dev; | |
3425 | struct stat s; | |
3426 | ||
3427 | fd = open("/dev/tap", O_RDWR); | |
3428 | if (fd < 0) { | |
3429 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
3430 | return -1; | |
3431 | } | |
3432 | ||
3433 | fstat(fd, &s); | |
3434 | dev = devname(s.st_rdev, S_IFCHR); | |
3435 | pstrcpy(ifname, ifname_size, dev); | |
3436 | ||
3437 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3438 | return fd; | |
3439 | } | |
3440 | #elif defined(__sun__) | |
3441 | #define TUNNEWPPA (('T'<<16) | 0x0001) | |
3442 | /* | |
3443 | * Allocate TAP device, returns opened fd. | |
3444 | * Stores dev name in the first arg(must be large enough). | |
3445 | */ | |
3446 | int tap_alloc(char *dev) | |
3447 | { | |
3448 | int tap_fd, if_fd, ppa = -1; | |
3449 | static int ip_fd = 0; | |
3450 | char *ptr; | |
3451 | ||
3452 | static int arp_fd = 0; | |
3453 | int ip_muxid, arp_muxid; | |
3454 | struct strioctl strioc_if, strioc_ppa; | |
3455 | int link_type = I_PLINK;; | |
3456 | struct lifreq ifr; | |
3457 | char actual_name[32] = ""; | |
3458 | ||
3459 | memset(&ifr, 0x0, sizeof(ifr)); | |
3460 | ||
3461 | if( *dev ){ | |
3462 | ptr = dev; | |
3463 | while( *ptr && !isdigit((int)*ptr) ) ptr++; | |
3464 | ppa = atoi(ptr); | |
3465 | } | |
3466 | ||
3467 | /* Check if IP device was opened */ | |
3468 | if( ip_fd ) | |
3469 | close(ip_fd); | |
3470 | ||
3471 | if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){ | |
3472 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); | |
3473 | return -1; | |
3474 | } | |
3475 | ||
3476 | if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){ | |
3477 | syslog(LOG_ERR, "Can't open /dev/tap"); | |
3478 | return -1; | |
3479 | } | |
3480 | ||
3481 | /* Assign a new PPA and get its unit number. */ | |
3482 | strioc_ppa.ic_cmd = TUNNEWPPA; | |
3483 | strioc_ppa.ic_timout = 0; | |
3484 | strioc_ppa.ic_len = sizeof(ppa); | |
3485 | strioc_ppa.ic_dp = (char *)&ppa; | |
3486 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) | |
3487 | syslog (LOG_ERR, "Can't assign new interface"); | |
3488 | ||
3489 | if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){ | |
3490 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); | |
3491 | return -1; | |
3492 | } | |
3493 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ | |
3494 | syslog(LOG_ERR, "Can't push IP module"); | |
3495 | return -1; | |
3496 | } | |
3497 | ||
3498 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) | |
3499 | syslog(LOG_ERR, "Can't get flags\n"); | |
3500 | ||
3501 | snprintf (actual_name, 32, "tap%d", ppa); | |
3502 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); | |
3503 | ||
3504 | ifr.lifr_ppa = ppa; | |
3505 | /* Assign ppa according to the unit number returned by tun device */ | |
3506 | ||
3507 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) | |
3508 | syslog (LOG_ERR, "Can't set PPA %d", ppa); | |
3509 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) | |
3510 | syslog (LOG_ERR, "Can't get flags\n"); | |
3511 | /* Push arp module to if_fd */ | |
3512 | if (ioctl (if_fd, I_PUSH, "arp") < 0) | |
3513 | syslog (LOG_ERR, "Can't push ARP module (2)"); | |
3514 | ||
3515 | /* Push arp module to ip_fd */ | |
3516 | if (ioctl (ip_fd, I_POP, NULL) < 0) | |
3517 | syslog (LOG_ERR, "I_POP failed\n"); | |
3518 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) | |
3519 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); | |
3520 | /* Open arp_fd */ | |
3521 | if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0) | |
3522 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); | |
3523 | ||
3524 | /* Set ifname to arp */ | |
3525 | strioc_if.ic_cmd = SIOCSLIFNAME; | |
3526 | strioc_if.ic_timout = 0; | |
3527 | strioc_if.ic_len = sizeof(ifr); | |
3528 | strioc_if.ic_dp = (char *)𝔦 | |
3529 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ | |
3530 | syslog (LOG_ERR, "Can't set ifname to arp\n"); | |
3531 | } | |
3532 | ||
3533 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ | |
3534 | syslog(LOG_ERR, "Can't link TAP device to IP"); | |
3535 | return -1; | |
3536 | } | |
3537 | ||
3538 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) | |
3539 | syslog (LOG_ERR, "Can't link TAP device to ARP"); | |
3540 | ||
3541 | close (if_fd); | |
3542 | ||
3543 | memset(&ifr, 0x0, sizeof(ifr)); | |
3544 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); | |
3545 | ifr.lifr_ip_muxid = ip_muxid; | |
3546 | ifr.lifr_arp_muxid = arp_muxid; | |
3547 | ||
3548 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) | |
3549 | { | |
3550 | ioctl (ip_fd, I_PUNLINK , arp_muxid); | |
3551 | ioctl (ip_fd, I_PUNLINK, ip_muxid); | |
3552 | syslog (LOG_ERR, "Can't set multiplexor id"); | |
3553 | } | |
3554 | ||
3555 | sprintf(dev, "tap%d", ppa); | |
3556 | return tap_fd; | |
3557 | } | |
3558 | ||
3559 | static int tap_open(char *ifname, int ifname_size) | |
3560 | { | |
3561 | char dev[10]=""; | |
3562 | int fd; | |
3563 | if( (fd = tap_alloc(dev)) < 0 ){ | |
3564 | fprintf(stderr, "Cannot allocate TAP device\n"); | |
3565 | return -1; | |
3566 | } | |
3567 | pstrcpy(ifname, ifname_size, dev); | |
3568 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3569 | return fd; | |
3570 | } | |
3571 | #else | |
3572 | static int tap_open(char *ifname, int ifname_size) | |
3573 | { | |
3574 | struct ifreq ifr; | |
3575 | int fd, ret; | |
3576 | ||
3577 | fd = open("/dev/net/tun", O_RDWR); | |
3578 | if (fd < 0) { | |
3579 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
3580 | return -1; | |
3581 | } | |
3582 | memset(&ifr, 0, sizeof(ifr)); | |
3583 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
3584 | if (ifname[0] != '\0') | |
3585 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
3586 | else | |
3587 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
3588 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
3589 | if (ret != 0) { | |
3590 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
3591 | close(fd); | |
3592 | return -1; | |
3593 | } | |
3594 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
3595 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3596 | return fd; | |
3597 | } | |
3598 | #endif | |
3599 | ||
3600 | static int net_tap_init(VLANState *vlan, const char *ifname1, | |
3601 | const char *setup_script) | |
3602 | { | |
3603 | TAPState *s; | |
3604 | int pid, status, fd; | |
3605 | char *args[3]; | |
3606 | char **parg; | |
3607 | char ifname[128]; | |
3608 | ||
3609 | if (ifname1 != NULL) | |
3610 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
3611 | else | |
3612 | ifname[0] = '\0'; | |
3613 | fd = tap_open(ifname, sizeof(ifname)); | |
3614 | if (fd < 0) | |
3615 | return -1; | |
3616 | ||
3617 | if (!setup_script || !strcmp(setup_script, "no")) | |
3618 | setup_script = ""; | |
3619 | if (setup_script[0] != '\0') { | |
3620 | /* try to launch network init script */ | |
3621 | pid = fork(); | |
3622 | if (pid >= 0) { | |
3623 | if (pid == 0) { | |
3624 | parg = args; | |
3625 | *parg++ = (char *)setup_script; | |
3626 | *parg++ = ifname; | |
3627 | *parg++ = NULL; | |
3628 | execv(setup_script, args); | |
3629 | _exit(1); | |
3630 | } | |
3631 | while (waitpid(pid, &status, 0) != pid); | |
3632 | if (!WIFEXITED(status) || | |
3633 | WEXITSTATUS(status) != 0) { | |
3634 | fprintf(stderr, "%s: could not launch network script\n", | |
3635 | setup_script); | |
3636 | return -1; | |
3637 | } | |
3638 | } | |
3639 | } | |
3640 | s = net_tap_fd_init(vlan, fd); | |
3641 | if (!s) | |
3642 | return -1; | |
3643 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3644 | "tap: ifname=%s setup_script=%s", ifname, setup_script); | |
3645 | return 0; | |
3646 | } | |
3647 | ||
3648 | #endif /* !_WIN32 */ | |
3649 | ||
3650 | /* network connection */ | |
3651 | typedef struct NetSocketState { | |
3652 | VLANClientState *vc; | |
3653 | int fd; | |
3654 | int state; /* 0 = getting length, 1 = getting data */ | |
3655 | int index; | |
3656 | int packet_len; | |
3657 | uint8_t buf[4096]; | |
3658 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
3659 | } NetSocketState; | |
3660 | ||
3661 | typedef struct NetSocketListenState { | |
3662 | VLANState *vlan; | |
3663 | int fd; | |
3664 | } NetSocketListenState; | |
3665 | ||
3666 | /* XXX: we consider we can send the whole packet without blocking */ | |
3667 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
3668 | { | |
3669 | NetSocketState *s = opaque; | |
3670 | uint32_t len; | |
3671 | len = htonl(size); | |
3672 | ||
3673 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
3674 | send_all(s->fd, buf, size); | |
3675 | } | |
3676 | ||
3677 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
3678 | { | |
3679 | NetSocketState *s = opaque; | |
3680 | sendto(s->fd, buf, size, 0, | |
3681 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
3682 | } | |
3683 | ||
3684 | static void net_socket_send(void *opaque) | |
3685 | { | |
3686 | NetSocketState *s = opaque; | |
3687 | int l, size, err; | |
3688 | uint8_t buf1[4096]; | |
3689 | const uint8_t *buf; | |
3690 | ||
3691 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
3692 | if (size < 0) { | |
3693 | err = socket_error(); | |
3694 | if (err != EWOULDBLOCK) | |
3695 | goto eoc; | |
3696 | } else if (size == 0) { | |
3697 | /* end of connection */ | |
3698 | eoc: | |
3699 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3700 | closesocket(s->fd); | |
3701 | return; | |
3702 | } | |
3703 | buf = buf1; | |
3704 | while (size > 0) { | |
3705 | /* reassemble a packet from the network */ | |
3706 | switch(s->state) { | |
3707 | case 0: | |
3708 | l = 4 - s->index; | |
3709 | if (l > size) | |
3710 | l = size; | |
3711 | memcpy(s->buf + s->index, buf, l); | |
3712 | buf += l; | |
3713 | size -= l; | |
3714 | s->index += l; | |
3715 | if (s->index == 4) { | |
3716 | /* got length */ | |
3717 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
3718 | s->index = 0; | |
3719 | s->state = 1; | |
3720 | } | |
3721 | break; | |
3722 | case 1: | |
3723 | l = s->packet_len - s->index; | |
3724 | if (l > size) | |
3725 | l = size; | |
3726 | memcpy(s->buf + s->index, buf, l); | |
3727 | s->index += l; | |
3728 | buf += l; | |
3729 | size -= l; | |
3730 | if (s->index >= s->packet_len) { | |
3731 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
3732 | s->index = 0; | |
3733 | s->state = 0; | |
3734 | } | |
3735 | break; | |
3736 | } | |
3737 | } | |
3738 | } | |
3739 | ||
3740 | static void net_socket_send_dgram(void *opaque) | |
3741 | { | |
3742 | NetSocketState *s = opaque; | |
3743 | int size; | |
3744 | ||
3745 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
3746 | if (size < 0) | |
3747 | return; | |
3748 | if (size == 0) { | |
3749 | /* end of connection */ | |
3750 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3751 | return; | |
3752 | } | |
3753 | qemu_send_packet(s->vc, s->buf, size); | |
3754 | } | |
3755 | ||
3756 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
3757 | { | |
3758 | struct ip_mreq imr; | |
3759 | int fd; | |
3760 | int val, ret; | |
3761 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
3762 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
3763 | inet_ntoa(mcastaddr->sin_addr), | |
3764 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
3765 | return -1; | |
3766 | ||
3767 | } | |
3768 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
3769 | if (fd < 0) { | |
3770 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
3771 | return -1; | |
3772 | } | |
3773 | ||
3774 | val = 1; | |
3775 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
3776 | (const char *)&val, sizeof(val)); | |
3777 | if (ret < 0) { | |
3778 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
3779 | goto fail; | |
3780 | } | |
3781 | ||
3782 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
3783 | if (ret < 0) { | |
3784 | perror("bind"); | |
3785 | goto fail; | |
3786 | } | |
3787 | ||
3788 | /* Add host to multicast group */ | |
3789 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
3790 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
3791 | ||
3792 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
3793 | (const char *)&imr, sizeof(struct ip_mreq)); | |
3794 | if (ret < 0) { | |
3795 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
3796 | goto fail; | |
3797 | } | |
3798 | ||
3799 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
3800 | val = 1; | |
3801 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
3802 | (const char *)&val, sizeof(val)); | |
3803 | if (ret < 0) { | |
3804 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
3805 | goto fail; | |
3806 | } | |
3807 | ||
3808 | socket_set_nonblock(fd); | |
3809 | return fd; | |
3810 | fail: | |
3811 | if (fd >= 0) | |
3812 | closesocket(fd); | |
3813 | return -1; | |
3814 | } | |
3815 | ||
3816 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, | |
3817 | int is_connected) | |
3818 | { | |
3819 | struct sockaddr_in saddr; | |
3820 | int newfd; | |
3821 | socklen_t saddr_len; | |
3822 | NetSocketState *s; | |
3823 | ||
3824 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
3825 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
3826 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
3827 | */ | |
3828 | ||
3829 | if (is_connected) { | |
3830 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
3831 | /* must be bound */ | |
3832 | if (saddr.sin_addr.s_addr==0) { | |
3833 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
3834 | fd); | |
3835 | return NULL; | |
3836 | } | |
3837 | /* clone dgram socket */ | |
3838 | newfd = net_socket_mcast_create(&saddr); | |
3839 | if (newfd < 0) { | |
3840 | /* error already reported by net_socket_mcast_create() */ | |
3841 | close(fd); | |
3842 | return NULL; | |
3843 | } | |
3844 | /* clone newfd to fd, close newfd */ | |
3845 | dup2(newfd, fd); | |
3846 | close(newfd); | |
3847 | ||
3848 | } else { | |
3849 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
3850 | fd, strerror(errno)); | |
3851 | return NULL; | |
3852 | } | |
3853 | } | |
3854 | ||
3855 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3856 | if (!s) | |
3857 | return NULL; | |
3858 | s->fd = fd; | |
3859 | ||
3860 | s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); | |
3861 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); | |
3862 | ||
3863 | /* mcast: save bound address as dst */ | |
3864 | if (is_connected) s->dgram_dst=saddr; | |
3865 | ||
3866 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3867 | "socket: fd=%d (%s mcast=%s:%d)", | |
3868 | fd, is_connected? "cloned" : "", | |
3869 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3870 | return s; | |
3871 | } | |
3872 | ||
3873 | static void net_socket_connect(void *opaque) | |
3874 | { | |
3875 | NetSocketState *s = opaque; | |
3876 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
3877 | } | |
3878 | ||
3879 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, | |
3880 | int is_connected) | |
3881 | { | |
3882 | NetSocketState *s; | |
3883 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3884 | if (!s) | |
3885 | return NULL; | |
3886 | s->fd = fd; | |
3887 | s->vc = qemu_new_vlan_client(vlan, | |
3888 | net_socket_receive, NULL, s); | |
3889 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3890 | "socket: fd=%d", fd); | |
3891 | if (is_connected) { | |
3892 | net_socket_connect(s); | |
3893 | } else { | |
3894 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
3895 | } | |
3896 | return s; | |
3897 | } | |
3898 | ||
3899 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, | |
3900 | int is_connected) | |
3901 | { | |
3902 | int so_type=-1, optlen=sizeof(so_type); | |
3903 | ||
3904 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { | |
3905 | fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
3906 | return NULL; | |
3907 | } | |
3908 | switch(so_type) { | |
3909 | case SOCK_DGRAM: | |
3910 | return net_socket_fd_init_dgram(vlan, fd, is_connected); | |
3911 | case SOCK_STREAM: | |
3912 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3913 | default: | |
3914 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
3915 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
3916 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3917 | } | |
3918 | return NULL; | |
3919 | } | |
3920 | ||
3921 | static void net_socket_accept(void *opaque) | |
3922 | { | |
3923 | NetSocketListenState *s = opaque; | |
3924 | NetSocketState *s1; | |
3925 | struct sockaddr_in saddr; | |
3926 | socklen_t len; | |
3927 | int fd; | |
3928 | ||
3929 | for(;;) { | |
3930 | len = sizeof(saddr); | |
3931 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
3932 | if (fd < 0 && errno != EINTR) { | |
3933 | return; | |
3934 | } else if (fd >= 0) { | |
3935 | break; | |
3936 | } | |
3937 | } | |
3938 | s1 = net_socket_fd_init(s->vlan, fd, 1); | |
3939 | if (!s1) { | |
3940 | closesocket(fd); | |
3941 | } else { | |
3942 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
3943 | "socket: connection from %s:%d", | |
3944 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3945 | } | |
3946 | } | |
3947 | ||
3948 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) | |
3949 | { | |
3950 | NetSocketListenState *s; | |
3951 | int fd, val, ret; | |
3952 | struct sockaddr_in saddr; | |
3953 | ||
3954 | if (parse_host_port(&saddr, host_str) < 0) | |
3955 | return -1; | |
3956 | ||
3957 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
3958 | if (!s) | |
3959 | return -1; | |
3960 | ||
3961 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
3962 | if (fd < 0) { | |
3963 | perror("socket"); | |
3964 | return -1; | |
3965 | } | |
3966 | socket_set_nonblock(fd); | |
3967 | ||
3968 | /* allow fast reuse */ | |
3969 | val = 1; | |
3970 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
3971 | ||
3972 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
3973 | if (ret < 0) { | |
3974 | perror("bind"); | |
3975 | return -1; | |
3976 | } | |
3977 | ret = listen(fd, 0); | |
3978 | if (ret < 0) { | |
3979 | perror("listen"); | |
3980 | return -1; | |
3981 | } | |
3982 | s->vlan = vlan; | |
3983 | s->fd = fd; | |
3984 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
3985 | return 0; | |
3986 | } | |
3987 | ||
3988 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) | |
3989 | { | |
3990 | NetSocketState *s; | |
3991 | int fd, connected, ret, err; | |
3992 | struct sockaddr_in saddr; | |
3993 | ||
3994 | if (parse_host_port(&saddr, host_str) < 0) | |
3995 | return -1; | |
3996 | ||
3997 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
3998 | if (fd < 0) { | |
3999 | perror("socket"); | |
4000 | return -1; | |
4001 | } | |
4002 | socket_set_nonblock(fd); | |
4003 | ||
4004 | connected = 0; | |
4005 | for(;;) { | |
4006 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
4007 | if (ret < 0) { | |
4008 | err = socket_error(); | |
4009 | if (err == EINTR || err == EWOULDBLOCK) { | |
4010 | } else if (err == EINPROGRESS) { | |
4011 | break; | |
4012 | } else { | |
4013 | perror("connect"); | |
4014 | closesocket(fd); | |
4015 | return -1; | |
4016 | } | |
4017 | } else { | |
4018 | connected = 1; | |
4019 | break; | |
4020 | } | |
4021 | } | |
4022 | s = net_socket_fd_init(vlan, fd, connected); | |
4023 | if (!s) | |
4024 | return -1; | |
4025 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4026 | "socket: connect to %s:%d", | |
4027 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
4028 | return 0; | |
4029 | } | |
4030 | ||
4031 | static int net_socket_mcast_init(VLANState *vlan, const char *host_str) | |
4032 | { | |
4033 | NetSocketState *s; | |
4034 | int fd; | |
4035 | struct sockaddr_in saddr; | |
4036 | ||
4037 | if (parse_host_port(&saddr, host_str) < 0) | |
4038 | return -1; | |
4039 | ||
4040 | ||
4041 | fd = net_socket_mcast_create(&saddr); | |
4042 | if (fd < 0) | |
4043 | return -1; | |
4044 | ||
4045 | s = net_socket_fd_init(vlan, fd, 0); | |
4046 | if (!s) | |
4047 | return -1; | |
4048 | ||
4049 | s->dgram_dst = saddr; | |
4050 | ||
4051 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4052 | "socket: mcast=%s:%d", | |
4053 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
4054 | return 0; | |
4055 | ||
4056 | } | |
4057 | ||
4058 | static int get_param_value(char *buf, int buf_size, | |
4059 | const char *tag, const char *str) | |
4060 | { | |
4061 | const char *p; | |
4062 | char *q; | |
4063 | char option[128]; | |
4064 | ||
4065 | p = str; | |
4066 | for(;;) { | |
4067 | q = option; | |
4068 | while (*p != '\0' && *p != '=') { | |
4069 | if ((q - option) < sizeof(option) - 1) | |
4070 | *q++ = *p; | |
4071 | p++; | |
4072 | } | |
4073 | *q = '\0'; | |
4074 | if (*p != '=') | |
4075 | break; | |
4076 | p++; | |
4077 | if (!strcmp(tag, option)) { | |
4078 | q = buf; | |
4079 | while (*p != '\0' && *p != ',') { | |
4080 | if ((q - buf) < buf_size - 1) | |
4081 | *q++ = *p; | |
4082 | p++; | |
4083 | } | |
4084 | *q = '\0'; | |
4085 | return q - buf; | |
4086 | } else { | |
4087 | while (*p != '\0' && *p != ',') { | |
4088 | p++; | |
4089 | } | |
4090 | } | |
4091 | if (*p != ',') | |
4092 | break; | |
4093 | p++; | |
4094 | } | |
4095 | return 0; | |
4096 | } | |
4097 | ||
4098 | static int net_client_init(const char *str) | |
4099 | { | |
4100 | const char *p; | |
4101 | char *q; | |
4102 | char device[64]; | |
4103 | char buf[1024]; | |
4104 | int vlan_id, ret; | |
4105 | VLANState *vlan; | |
4106 | ||
4107 | p = str; | |
4108 | q = device; | |
4109 | while (*p != '\0' && *p != ',') { | |
4110 | if ((q - device) < sizeof(device) - 1) | |
4111 | *q++ = *p; | |
4112 | p++; | |
4113 | } | |
4114 | *q = '\0'; | |
4115 | if (*p == ',') | |
4116 | p++; | |
4117 | vlan_id = 0; | |
4118 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
4119 | vlan_id = strtol(buf, NULL, 0); | |
4120 | } | |
4121 | vlan = qemu_find_vlan(vlan_id); | |
4122 | if (!vlan) { | |
4123 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); | |
4124 | return -1; | |
4125 | } | |
4126 | if (!strcmp(device, "nic")) { | |
4127 | NICInfo *nd; | |
4128 | uint8_t *macaddr; | |
4129 | ||
4130 | if (nb_nics >= MAX_NICS) { | |
4131 | fprintf(stderr, "Too Many NICs\n"); | |
4132 | return -1; | |
4133 | } | |
4134 | nd = &nd_table[nb_nics]; | |
4135 | macaddr = nd->macaddr; | |
4136 | macaddr[0] = 0x52; | |
4137 | macaddr[1] = 0x54; | |
4138 | macaddr[2] = 0x00; | |
4139 | macaddr[3] = 0x12; | |
4140 | macaddr[4] = 0x34; | |
4141 | macaddr[5] = 0x56 + nb_nics; | |
4142 | ||
4143 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
4144 | if (parse_macaddr(macaddr, buf) < 0) { | |
4145 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
4146 | return -1; | |
4147 | } | |
4148 | } | |
4149 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
4150 | nd->model = strdup(buf); | |
4151 | } | |
4152 | nd->vlan = vlan; | |
4153 | nb_nics++; | |
4154 | ret = 0; | |
4155 | } else | |
4156 | if (!strcmp(device, "none")) { | |
4157 | /* does nothing. It is needed to signal that no network cards | |
4158 | are wanted */ | |
4159 | ret = 0; | |
4160 | } else | |
4161 | #ifdef CONFIG_SLIRP | |
4162 | if (!strcmp(device, "user")) { | |
4163 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { | |
4164 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
4165 | } | |
4166 | ret = net_slirp_init(vlan); | |
4167 | } else | |
4168 | #endif | |
4169 | #ifdef _WIN32 | |
4170 | if (!strcmp(device, "tap")) { | |
4171 | char ifname[64]; | |
4172 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
4173 | fprintf(stderr, "tap: no interface name\n"); | |
4174 | return -1; | |
4175 | } | |
4176 | ret = tap_win32_init(vlan, ifname); | |
4177 | } else | |
4178 | #else | |
4179 | if (!strcmp(device, "tap")) { | |
4180 | char ifname[64]; | |
4181 | char setup_script[1024]; | |
4182 | int fd; | |
4183 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
4184 | fd = strtol(buf, NULL, 0); | |
4185 | ret = -1; | |
4186 | if (net_tap_fd_init(vlan, fd)) | |
4187 | ret = 0; | |
4188 | } else { | |
4189 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
4190 | ifname[0] = '\0'; | |
4191 | } | |
4192 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
4193 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
4194 | } | |
4195 | ret = net_tap_init(vlan, ifname, setup_script); | |
4196 | } | |
4197 | } else | |
4198 | #endif | |
4199 | if (!strcmp(device, "socket")) { | |
4200 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
4201 | int fd; | |
4202 | fd = strtol(buf, NULL, 0); | |
4203 | ret = -1; | |
4204 | if (net_socket_fd_init(vlan, fd, 1)) | |
4205 | ret = 0; | |
4206 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
4207 | ret = net_socket_listen_init(vlan, buf); | |
4208 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { | |
4209 | ret = net_socket_connect_init(vlan, buf); | |
4210 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { | |
4211 | ret = net_socket_mcast_init(vlan, buf); | |
4212 | } else { | |
4213 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
4214 | return -1; | |
4215 | } | |
4216 | } else | |
4217 | { | |
4218 | fprintf(stderr, "Unknown network device: %s\n", device); | |
4219 | return -1; | |
4220 | } | |
4221 | if (ret < 0) { | |
4222 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
4223 | } | |
4224 | ||
4225 | return ret; | |
4226 | } | |
4227 | ||
4228 | void do_info_network(void) | |
4229 | { | |
4230 | VLANState *vlan; | |
4231 | VLANClientState *vc; | |
4232 | ||
4233 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
4234 | term_printf("VLAN %d devices:\n", vlan->id); | |
4235 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
4236 | term_printf(" %s\n", vc->info_str); | |
4237 | } | |
4238 | } | |
4239 | ||
4240 | /***********************************************************/ | |
4241 | /* USB devices */ | |
4242 | ||
4243 | static USBPort *used_usb_ports; | |
4244 | static USBPort *free_usb_ports; | |
4245 | ||
4246 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
4247 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
4248 | usb_attachfn attach) | |
4249 | { | |
4250 | port->opaque = opaque; | |
4251 | port->index = index; | |
4252 | port->attach = attach; | |
4253 | port->next = free_usb_ports; | |
4254 | free_usb_ports = port; | |
4255 | } | |
4256 | ||
4257 | static int usb_device_add(const char *devname) | |
4258 | { | |
4259 | const char *p; | |
4260 | USBDevice *dev; | |
4261 | USBPort *port; | |
4262 | ||
4263 | if (!free_usb_ports) | |
4264 | return -1; | |
4265 | ||
4266 | if (strstart(devname, "host:", &p)) { | |
4267 | dev = usb_host_device_open(p); | |
4268 | } else if (!strcmp(devname, "mouse")) { | |
4269 | dev = usb_mouse_init(); | |
4270 | } else if (!strcmp(devname, "tablet")) { | |
4271 | dev = usb_tablet_init(); | |
4272 | } else if (strstart(devname, "disk:", &p)) { | |
4273 | dev = usb_msd_init(p); | |
4274 | } else { | |
4275 | return -1; | |
4276 | } | |
4277 | if (!dev) | |
4278 | return -1; | |
4279 | ||
4280 | /* Find a USB port to add the device to. */ | |
4281 | port = free_usb_ports; | |
4282 | if (!port->next) { | |
4283 | USBDevice *hub; | |
4284 | ||
4285 | /* Create a new hub and chain it on. */ | |
4286 | free_usb_ports = NULL; | |
4287 | port->next = used_usb_ports; | |
4288 | used_usb_ports = port; | |
4289 | ||
4290 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
4291 | usb_attach(port, hub); | |
4292 | port = free_usb_ports; | |
4293 | } | |
4294 | ||
4295 | free_usb_ports = port->next; | |
4296 | port->next = used_usb_ports; | |
4297 | used_usb_ports = port; | |
4298 | usb_attach(port, dev); | |
4299 | return 0; | |
4300 | } | |
4301 | ||
4302 | static int usb_device_del(const char *devname) | |
4303 | { | |
4304 | USBPort *port; | |
4305 | USBPort **lastp; | |
4306 | USBDevice *dev; | |
4307 | int bus_num, addr; | |
4308 | const char *p; | |
4309 | ||
4310 | if (!used_usb_ports) | |
4311 | return -1; | |
4312 | ||
4313 | p = strchr(devname, '.'); | |
4314 | if (!p) | |
4315 | return -1; | |
4316 | bus_num = strtoul(devname, NULL, 0); | |
4317 | addr = strtoul(p + 1, NULL, 0); | |
4318 | if (bus_num != 0) | |
4319 | return -1; | |
4320 | ||
4321 | lastp = &used_usb_ports; | |
4322 | port = used_usb_ports; | |
4323 | while (port && port->dev->addr != addr) { | |
4324 | lastp = &port->next; | |
4325 | port = port->next; | |
4326 | } | |
4327 | ||
4328 | if (!port) | |
4329 | return -1; | |
4330 | ||
4331 | dev = port->dev; | |
4332 | *lastp = port->next; | |
4333 | usb_attach(port, NULL); | |
4334 | dev->handle_destroy(dev); | |
4335 | port->next = free_usb_ports; | |
4336 | free_usb_ports = port; | |
4337 | return 0; | |
4338 | } | |
4339 | ||
4340 | void do_usb_add(const char *devname) | |
4341 | { | |
4342 | int ret; | |
4343 | ret = usb_device_add(devname); | |
4344 | if (ret < 0) | |
4345 | term_printf("Could not add USB device '%s'\n", devname); | |
4346 | } | |
4347 | ||
4348 | void do_usb_del(const char *devname) | |
4349 | { | |
4350 | int ret; | |
4351 | ret = usb_device_del(devname); | |
4352 | if (ret < 0) | |
4353 | term_printf("Could not remove USB device '%s'\n", devname); | |
4354 | } | |
4355 | ||
4356 | void usb_info(void) | |
4357 | { | |
4358 | USBDevice *dev; | |
4359 | USBPort *port; | |
4360 | const char *speed_str; | |
4361 | ||
4362 | if (!usb_enabled) { | |
4363 | term_printf("USB support not enabled\n"); | |
4364 | return; | |
4365 | } | |
4366 | ||
4367 | for (port = used_usb_ports; port; port = port->next) { | |
4368 | dev = port->dev; | |
4369 | if (!dev) | |
4370 | continue; | |
4371 | switch(dev->speed) { | |
4372 | case USB_SPEED_LOW: | |
4373 | speed_str = "1.5"; | |
4374 | break; | |
4375 | case USB_SPEED_FULL: | |
4376 | speed_str = "12"; | |
4377 | break; | |
4378 | case USB_SPEED_HIGH: | |
4379 | speed_str = "480"; | |
4380 | break; | |
4381 | default: | |
4382 | speed_str = "?"; | |
4383 | break; | |
4384 | } | |
4385 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
4386 | 0, dev->addr, speed_str, dev->devname); | |
4387 | } | |
4388 | } | |
4389 | ||
4390 | /***********************************************************/ | |
4391 | /* pid file */ | |
4392 | ||
4393 | static char *pid_filename; | |
4394 | ||
4395 | /* Remove PID file. Called on normal exit */ | |
4396 | ||
4397 | static void remove_pidfile(void) | |
4398 | { | |
4399 | unlink (pid_filename); | |
4400 | } | |
4401 | ||
4402 | static void create_pidfile(const char *filename) | |
4403 | { | |
4404 | struct stat pidstat; | |
4405 | FILE *f; | |
4406 | ||
4407 | /* Try to write our PID to the named file */ | |
4408 | if (stat(filename, &pidstat) < 0) { | |
4409 | if (errno == ENOENT) { | |
4410 | if ((f = fopen (filename, "w")) == NULL) { | |
4411 | perror("Opening pidfile"); | |
4412 | exit(1); | |
4413 | } | |
4414 | fprintf(f, "%d\n", getpid()); | |
4415 | fclose(f); | |
4416 | pid_filename = qemu_strdup(filename); | |
4417 | if (!pid_filename) { | |
4418 | fprintf(stderr, "Could not save PID filename"); | |
4419 | exit(1); | |
4420 | } | |
4421 | atexit(remove_pidfile); | |
4422 | } | |
4423 | } else { | |
4424 | fprintf(stderr, "%s already exists. Remove it and try again.\n", | |
4425 | filename); | |
4426 | exit(1); | |
4427 | } | |
4428 | } | |
4429 | ||
4430 | /***********************************************************/ | |
4431 | /* dumb display */ | |
4432 | ||
4433 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
4434 | { | |
4435 | } | |
4436 | ||
4437 | static void dumb_resize(DisplayState *ds, int w, int h) | |
4438 | { | |
4439 | } | |
4440 | ||
4441 | static void dumb_refresh(DisplayState *ds) | |
4442 | { | |
4443 | vga_hw_update(); | |
4444 | } | |
4445 | ||
4446 | void dumb_display_init(DisplayState *ds) | |
4447 | { | |
4448 | ds->data = NULL; | |
4449 | ds->linesize = 0; | |
4450 | ds->depth = 0; | |
4451 | ds->dpy_update = dumb_update; | |
4452 | ds->dpy_resize = dumb_resize; | |
4453 | ds->dpy_refresh = dumb_refresh; | |
4454 | } | |
4455 | ||
4456 | /***********************************************************/ | |
4457 | /* I/O handling */ | |
4458 | ||
4459 | #define MAX_IO_HANDLERS 64 | |
4460 | ||
4461 | typedef struct IOHandlerRecord { | |
4462 | int fd; | |
4463 | IOCanRWHandler *fd_read_poll; | |
4464 | IOHandler *fd_read; | |
4465 | IOHandler *fd_write; | |
4466 | int deleted; | |
4467 | void *opaque; | |
4468 | /* temporary data */ | |
4469 | struct pollfd *ufd; | |
4470 | struct IOHandlerRecord *next; | |
4471 | } IOHandlerRecord; | |
4472 | ||
4473 | static IOHandlerRecord *first_io_handler; | |
4474 | ||
4475 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
4476 | necessary in the character devices to suppress fd_can_read(). */ | |
4477 | int qemu_set_fd_handler2(int fd, | |
4478 | IOCanRWHandler *fd_read_poll, | |
4479 | IOHandler *fd_read, | |
4480 | IOHandler *fd_write, | |
4481 | void *opaque) | |
4482 | { | |
4483 | IOHandlerRecord **pioh, *ioh; | |
4484 | ||
4485 | if (!fd_read && !fd_write) { | |
4486 | pioh = &first_io_handler; | |
4487 | for(;;) { | |
4488 | ioh = *pioh; | |
4489 | if (ioh == NULL) | |
4490 | break; | |
4491 | if (ioh->fd == fd) { | |
4492 | ioh->deleted = 1; | |
4493 | break; | |
4494 | } | |
4495 | pioh = &ioh->next; | |
4496 | } | |
4497 | } else { | |
4498 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
4499 | if (ioh->fd == fd) | |
4500 | goto found; | |
4501 | } | |
4502 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
4503 | if (!ioh) | |
4504 | return -1; | |
4505 | ioh->next = first_io_handler; | |
4506 | first_io_handler = ioh; | |
4507 | found: | |
4508 | ioh->fd = fd; | |
4509 | ioh->fd_read_poll = fd_read_poll; | |
4510 | ioh->fd_read = fd_read; | |
4511 | ioh->fd_write = fd_write; | |
4512 | ioh->opaque = opaque; | |
4513 | ioh->deleted = 0; | |
4514 | } | |
4515 | return 0; | |
4516 | } | |
4517 | ||
4518 | int qemu_set_fd_handler(int fd, | |
4519 | IOHandler *fd_read, | |
4520 | IOHandler *fd_write, | |
4521 | void *opaque) | |
4522 | { | |
4523 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
4524 | } | |
4525 | ||
4526 | /***********************************************************/ | |
4527 | /* Polling handling */ | |
4528 | ||
4529 | typedef struct PollingEntry { | |
4530 | PollingFunc *func; | |
4531 | void *opaque; | |
4532 | struct PollingEntry *next; | |
4533 | } PollingEntry; | |
4534 | ||
4535 | static PollingEntry *first_polling_entry; | |
4536 | ||
4537 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
4538 | { | |
4539 | PollingEntry **ppe, *pe; | |
4540 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
4541 | if (!pe) | |
4542 | return -1; | |
4543 | pe->func = func; | |
4544 | pe->opaque = opaque; | |
4545 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
4546 | *ppe = pe; | |
4547 | return 0; | |
4548 | } | |
4549 | ||
4550 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
4551 | { | |
4552 | PollingEntry **ppe, *pe; | |
4553 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
4554 | pe = *ppe; | |
4555 | if (pe->func == func && pe->opaque == opaque) { | |
4556 | *ppe = pe->next; | |
4557 | qemu_free(pe); | |
4558 | break; | |
4559 | } | |
4560 | } | |
4561 | } | |
4562 | ||
4563 | #ifdef _WIN32 | |
4564 | /***********************************************************/ | |
4565 | /* Wait objects support */ | |
4566 | typedef struct WaitObjects { | |
4567 | int num; | |
4568 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
4569 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
4570 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
4571 | } WaitObjects; | |
4572 | ||
4573 | static WaitObjects wait_objects = {0}; | |
4574 | ||
4575 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4576 | { | |
4577 | WaitObjects *w = &wait_objects; | |
4578 | ||
4579 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
4580 | return -1; | |
4581 | w->events[w->num] = handle; | |
4582 | w->func[w->num] = func; | |
4583 | w->opaque[w->num] = opaque; | |
4584 | w->num++; | |
4585 | return 0; | |
4586 | } | |
4587 | ||
4588 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4589 | { | |
4590 | int i, found; | |
4591 | WaitObjects *w = &wait_objects; | |
4592 | ||
4593 | found = 0; | |
4594 | for (i = 0; i < w->num; i++) { | |
4595 | if (w->events[i] == handle) | |
4596 | found = 1; | |
4597 | if (found) { | |
4598 | w->events[i] = w->events[i + 1]; | |
4599 | w->func[i] = w->func[i + 1]; | |
4600 | w->opaque[i] = w->opaque[i + 1]; | |
4601 | } | |
4602 | } | |
4603 | if (found) | |
4604 | w->num--; | |
4605 | } | |
4606 | #endif | |
4607 | ||
4608 | /***********************************************************/ | |
4609 | /* savevm/loadvm support */ | |
4610 | ||
4611 | #define IO_BUF_SIZE 32768 | |
4612 | ||
4613 | struct QEMUFile { | |
4614 | FILE *outfile; | |
4615 | BlockDriverState *bs; | |
4616 | int is_file; | |
4617 | int is_writable; | |
4618 | int64_t base_offset; | |
4619 | int64_t buf_offset; /* start of buffer when writing, end of buffer | |
4620 | when reading */ | |
4621 | int buf_index; | |
4622 | int buf_size; /* 0 when writing */ | |
4623 | uint8_t buf[IO_BUF_SIZE]; | |
4624 | }; | |
4625 | ||
4626 | QEMUFile *qemu_fopen(const char *filename, const char *mode) | |
4627 | { | |
4628 | QEMUFile *f; | |
4629 | ||
4630 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4631 | if (!f) | |
4632 | return NULL; | |
4633 | if (!strcmp(mode, "wb")) { | |
4634 | f->is_writable = 1; | |
4635 | } else if (!strcmp(mode, "rb")) { | |
4636 | f->is_writable = 0; | |
4637 | } else { | |
4638 | goto fail; | |
4639 | } | |
4640 | f->outfile = fopen(filename, mode); | |
4641 | if (!f->outfile) | |
4642 | goto fail; | |
4643 | f->is_file = 1; | |
4644 | return f; | |
4645 | fail: | |
4646 | if (f->outfile) | |
4647 | fclose(f->outfile); | |
4648 | qemu_free(f); | |
4649 | return NULL; | |
4650 | } | |
4651 | ||
4652 | QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) | |
4653 | { | |
4654 | QEMUFile *f; | |
4655 | ||
4656 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4657 | if (!f) | |
4658 | return NULL; | |
4659 | f->is_file = 0; | |
4660 | f->bs = bs; | |
4661 | f->is_writable = is_writable; | |
4662 | f->base_offset = offset; | |
4663 | return f; | |
4664 | } | |
4665 | ||
4666 | void qemu_fflush(QEMUFile *f) | |
4667 | { | |
4668 | if (!f->is_writable) | |
4669 | return; | |
4670 | if (f->buf_index > 0) { | |
4671 | if (f->is_file) { | |
4672 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4673 | fwrite(f->buf, 1, f->buf_index, f->outfile); | |
4674 | } else { | |
4675 | bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, | |
4676 | f->buf, f->buf_index); | |
4677 | } | |
4678 | f->buf_offset += f->buf_index; | |
4679 | f->buf_index = 0; | |
4680 | } | |
4681 | } | |
4682 | ||
4683 | static void qemu_fill_buffer(QEMUFile *f) | |
4684 | { | |
4685 | int len; | |
4686 | ||
4687 | if (f->is_writable) | |
4688 | return; | |
4689 | if (f->is_file) { | |
4690 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4691 | len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile); | |
4692 | if (len < 0) | |
4693 | len = 0; | |
4694 | } else { | |
4695 | len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, | |
4696 | f->buf, IO_BUF_SIZE); | |
4697 | if (len < 0) | |
4698 | len = 0; | |
4699 | } | |
4700 | f->buf_index = 0; | |
4701 | f->buf_size = len; | |
4702 | f->buf_offset += len; | |
4703 | } | |
4704 | ||
4705 | void qemu_fclose(QEMUFile *f) | |
4706 | { | |
4707 | if (f->is_writable) | |
4708 | qemu_fflush(f); | |
4709 | if (f->is_file) { | |
4710 | fclose(f->outfile); | |
4711 | } | |
4712 | qemu_free(f); | |
4713 | } | |
4714 | ||
4715 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
4716 | { | |
4717 | int l; | |
4718 | while (size > 0) { | |
4719 | l = IO_BUF_SIZE - f->buf_index; | |
4720 | if (l > size) | |
4721 | l = size; | |
4722 | memcpy(f->buf + f->buf_index, buf, l); | |
4723 | f->buf_index += l; | |
4724 | buf += l; | |
4725 | size -= l; | |
4726 | if (f->buf_index >= IO_BUF_SIZE) | |
4727 | qemu_fflush(f); | |
4728 | } | |
4729 | } | |
4730 | ||
4731 | void qemu_put_byte(QEMUFile *f, int v) | |
4732 | { | |
4733 | f->buf[f->buf_index++] = v; | |
4734 | if (f->buf_index >= IO_BUF_SIZE) | |
4735 | qemu_fflush(f); | |
4736 | } | |
4737 | ||
4738 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) | |
4739 | { | |
4740 | int size, l; | |
4741 | ||
4742 | size = size1; | |
4743 | while (size > 0) { | |
4744 | l = f->buf_size - f->buf_index; | |
4745 | if (l == 0) { | |
4746 | qemu_fill_buffer(f); | |
4747 | l = f->buf_size - f->buf_index; | |
4748 | if (l == 0) | |
4749 | break; | |
4750 | } | |
4751 | if (l > size) | |
4752 | l = size; | |
4753 | memcpy(buf, f->buf + f->buf_index, l); | |
4754 | f->buf_index += l; | |
4755 | buf += l; | |
4756 | size -= l; | |
4757 | } | |
4758 | return size1 - size; | |
4759 | } | |
4760 | ||
4761 | int qemu_get_byte(QEMUFile *f) | |
4762 | { | |
4763 | if (f->buf_index >= f->buf_size) { | |
4764 | qemu_fill_buffer(f); | |
4765 | if (f->buf_index >= f->buf_size) | |
4766 | return 0; | |
4767 | } | |
4768 | return f->buf[f->buf_index++]; | |
4769 | } | |
4770 | ||
4771 | int64_t qemu_ftell(QEMUFile *f) | |
4772 | { | |
4773 | return f->buf_offset - f->buf_size + f->buf_index; | |
4774 | } | |
4775 | ||
4776 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
4777 | { | |
4778 | if (whence == SEEK_SET) { | |
4779 | /* nothing to do */ | |
4780 | } else if (whence == SEEK_CUR) { | |
4781 | pos += qemu_ftell(f); | |
4782 | } else { | |
4783 | /* SEEK_END not supported */ | |
4784 | return -1; | |
4785 | } | |
4786 | if (f->is_writable) { | |
4787 | qemu_fflush(f); | |
4788 | f->buf_offset = pos; | |
4789 | } else { | |
4790 | f->buf_offset = pos; | |
4791 | f->buf_index = 0; | |
4792 | f->buf_size = 0; | |
4793 | } | |
4794 | return pos; | |
4795 | } | |
4796 | ||
4797 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
4798 | { | |
4799 | qemu_put_byte(f, v >> 8); | |
4800 | qemu_put_byte(f, v); | |
4801 | } | |
4802 | ||
4803 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
4804 | { | |
4805 | qemu_put_byte(f, v >> 24); | |
4806 | qemu_put_byte(f, v >> 16); | |
4807 | qemu_put_byte(f, v >> 8); | |
4808 | qemu_put_byte(f, v); | |
4809 | } | |
4810 | ||
4811 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
4812 | { | |
4813 | qemu_put_be32(f, v >> 32); | |
4814 | qemu_put_be32(f, v); | |
4815 | } | |
4816 | ||
4817 | unsigned int qemu_get_be16(QEMUFile *f) | |
4818 | { | |
4819 | unsigned int v; | |
4820 | v = qemu_get_byte(f) << 8; | |
4821 | v |= qemu_get_byte(f); | |
4822 | return v; | |
4823 | } | |
4824 | ||
4825 | unsigned int qemu_get_be32(QEMUFile *f) | |
4826 | { | |
4827 | unsigned int v; | |
4828 | v = qemu_get_byte(f) << 24; | |
4829 | v |= qemu_get_byte(f) << 16; | |
4830 | v |= qemu_get_byte(f) << 8; | |
4831 | v |= qemu_get_byte(f); | |
4832 | return v; | |
4833 | } | |
4834 | ||
4835 | uint64_t qemu_get_be64(QEMUFile *f) | |
4836 | { | |
4837 | uint64_t v; | |
4838 | v = (uint64_t)qemu_get_be32(f) << 32; | |
4839 | v |= qemu_get_be32(f); | |
4840 | return v; | |
4841 | } | |
4842 | ||
4843 | typedef struct SaveStateEntry { | |
4844 | char idstr[256]; | |
4845 | int instance_id; | |
4846 | int version_id; | |
4847 | SaveStateHandler *save_state; | |
4848 | LoadStateHandler *load_state; | |
4849 | void *opaque; | |
4850 | struct SaveStateEntry *next; | |
4851 | } SaveStateEntry; | |
4852 | ||
4853 | static SaveStateEntry *first_se; | |
4854 | ||
4855 | int register_savevm(const char *idstr, | |
4856 | int instance_id, | |
4857 | int version_id, | |
4858 | SaveStateHandler *save_state, | |
4859 | LoadStateHandler *load_state, | |
4860 | void *opaque) | |
4861 | { | |
4862 | SaveStateEntry *se, **pse; | |
4863 | ||
4864 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
4865 | if (!se) | |
4866 | return -1; | |
4867 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
4868 | se->instance_id = instance_id; | |
4869 | se->version_id = version_id; | |
4870 | se->save_state = save_state; | |
4871 | se->load_state = load_state; | |
4872 | se->opaque = opaque; | |
4873 | se->next = NULL; | |
4874 | ||
4875 | /* add at the end of list */ | |
4876 | pse = &first_se; | |
4877 | while (*pse != NULL) | |
4878 | pse = &(*pse)->next; | |
4879 | *pse = se; | |
4880 | return 0; | |
4881 | } | |
4882 | ||
4883 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
4884 | #define QEMU_VM_FILE_VERSION 0x00000002 | |
4885 | ||
4886 | int qemu_savevm_state(QEMUFile *f) | |
4887 | { | |
4888 | SaveStateEntry *se; | |
4889 | int len, ret; | |
4890 | int64_t cur_pos, len_pos, total_len_pos; | |
4891 | ||
4892 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
4893 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
4894 | total_len_pos = qemu_ftell(f); | |
4895 | qemu_put_be64(f, 0); /* total size */ | |
4896 | ||
4897 | for(se = first_se; se != NULL; se = se->next) { | |
4898 | /* ID string */ | |
4899 | len = strlen(se->idstr); | |
4900 | qemu_put_byte(f, len); | |
4901 | qemu_put_buffer(f, se->idstr, len); | |
4902 | ||
4903 | qemu_put_be32(f, se->instance_id); | |
4904 | qemu_put_be32(f, se->version_id); | |
4905 | ||
4906 | /* record size: filled later */ | |
4907 | len_pos = qemu_ftell(f); | |
4908 | qemu_put_be32(f, 0); | |
4909 | ||
4910 | se->save_state(f, se->opaque); | |
4911 | ||
4912 | /* fill record size */ | |
4913 | cur_pos = qemu_ftell(f); | |
4914 | len = cur_pos - len_pos - 4; | |
4915 | qemu_fseek(f, len_pos, SEEK_SET); | |
4916 | qemu_put_be32(f, len); | |
4917 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4918 | } | |
4919 | cur_pos = qemu_ftell(f); | |
4920 | qemu_fseek(f, total_len_pos, SEEK_SET); | |
4921 | qemu_put_be64(f, cur_pos - total_len_pos - 8); | |
4922 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4923 | ||
4924 | ret = 0; | |
4925 | return ret; | |
4926 | } | |
4927 | ||
4928 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
4929 | { | |
4930 | SaveStateEntry *se; | |
4931 | ||
4932 | for(se = first_se; se != NULL; se = se->next) { | |
4933 | if (!strcmp(se->idstr, idstr) && | |
4934 | instance_id == se->instance_id) | |
4935 | return se; | |
4936 | } | |
4937 | return NULL; | |
4938 | } | |
4939 | ||
4940 | int qemu_loadvm_state(QEMUFile *f) | |
4941 | { | |
4942 | SaveStateEntry *se; | |
4943 | int len, ret, instance_id, record_len, version_id; | |
4944 | int64_t total_len, end_pos, cur_pos; | |
4945 | unsigned int v; | |
4946 | char idstr[256]; | |
4947 | ||
4948 | v = qemu_get_be32(f); | |
4949 | if (v != QEMU_VM_FILE_MAGIC) | |
4950 | goto fail; | |
4951 | v = qemu_get_be32(f); | |
4952 | if (v != QEMU_VM_FILE_VERSION) { | |
4953 | fail: | |
4954 | ret = -1; | |
4955 | goto the_end; | |
4956 | } | |
4957 | total_len = qemu_get_be64(f); | |
4958 | end_pos = total_len + qemu_ftell(f); | |
4959 | for(;;) { | |
4960 | if (qemu_ftell(f) >= end_pos) | |
4961 | break; | |
4962 | len = qemu_get_byte(f); | |
4963 | qemu_get_buffer(f, idstr, len); | |
4964 | idstr[len] = '\0'; | |
4965 | instance_id = qemu_get_be32(f); | |
4966 | version_id = qemu_get_be32(f); | |
4967 | record_len = qemu_get_be32(f); | |
4968 | #if 0 | |
4969 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
4970 | idstr, instance_id, version_id, record_len); | |
4971 | #endif | |
4972 | cur_pos = qemu_ftell(f); | |
4973 | se = find_se(idstr, instance_id); | |
4974 | if (!se) { | |
4975 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
4976 | instance_id, idstr); | |
4977 | } else { | |
4978 | ret = se->load_state(f, se->opaque, version_id); | |
4979 | if (ret < 0) { | |
4980 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
4981 | instance_id, idstr); | |
4982 | } | |
4983 | } | |
4984 | /* always seek to exact end of record */ | |
4985 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
4986 | } | |
4987 | ret = 0; | |
4988 | the_end: | |
4989 | return ret; | |
4990 | } | |
4991 | ||
4992 | /* device can contain snapshots */ | |
4993 | static int bdrv_can_snapshot(BlockDriverState *bs) | |
4994 | { | |
4995 | return (bs && | |
4996 | !bdrv_is_removable(bs) && | |
4997 | !bdrv_is_read_only(bs)); | |
4998 | } | |
4999 | ||
5000 | /* device must be snapshots in order to have a reliable snapshot */ | |
5001 | static int bdrv_has_snapshot(BlockDriverState *bs) | |
5002 | { | |
5003 | return (bs && | |
5004 | !bdrv_is_removable(bs) && | |
5005 | !bdrv_is_read_only(bs)); | |
5006 | } | |
5007 | ||
5008 | static BlockDriverState *get_bs_snapshots(void) | |
5009 | { | |
5010 | BlockDriverState *bs; | |
5011 | int i; | |
5012 | ||
5013 | if (bs_snapshots) | |
5014 | return bs_snapshots; | |
5015 | for(i = 0; i <= MAX_DISKS; i++) { | |
5016 | bs = bs_table[i]; | |
5017 | if (bdrv_can_snapshot(bs)) | |
5018 | goto ok; | |
5019 | } | |
5020 | return NULL; | |
5021 | ok: | |
5022 | bs_snapshots = bs; | |
5023 | return bs; | |
5024 | } | |
5025 | ||
5026 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
5027 | const char *name) | |
5028 | { | |
5029 | QEMUSnapshotInfo *sn_tab, *sn; | |
5030 | int nb_sns, i, ret; | |
5031 | ||
5032 | ret = -ENOENT; | |
5033 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
5034 | if (nb_sns < 0) | |
5035 | return ret; | |
5036 | for(i = 0; i < nb_sns; i++) { | |
5037 | sn = &sn_tab[i]; | |
5038 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { | |
5039 | *sn_info = *sn; | |
5040 | ret = 0; | |
5041 | break; | |
5042 | } | |
5043 | } | |
5044 | qemu_free(sn_tab); | |
5045 | return ret; | |
5046 | } | |
5047 | ||
5048 | void do_savevm(const char *name) | |
5049 | { | |
5050 | BlockDriverState *bs, *bs1; | |
5051 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; | |
5052 | int must_delete, ret, i; | |
5053 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
5054 | QEMUFile *f; | |
5055 | int saved_vm_running; | |
5056 | #ifdef _WIN32 | |
5057 | struct _timeb tb; | |
5058 | #else | |
5059 | struct timeval tv; | |
5060 | #endif | |
5061 | ||
5062 | bs = get_bs_snapshots(); | |
5063 | if (!bs) { | |
5064 | term_printf("No block device can accept snapshots\n"); | |
5065 | return; | |
5066 | } | |
5067 | ||
5068 | /* ??? Should this occur after vm_stop? */ | |
5069 | qemu_aio_flush(); | |
5070 | ||
5071 | saved_vm_running = vm_running; | |
5072 | vm_stop(0); | |
5073 | ||
5074 | must_delete = 0; | |
5075 | if (name) { | |
5076 | ret = bdrv_snapshot_find(bs, old_sn, name); | |
5077 | if (ret >= 0) { | |
5078 | must_delete = 1; | |
5079 | } | |
5080 | } | |
5081 | memset(sn, 0, sizeof(*sn)); | |
5082 | if (must_delete) { | |
5083 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); | |
5084 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); | |
5085 | } else { | |
5086 | if (name) | |
5087 | pstrcpy(sn->name, sizeof(sn->name), name); | |
5088 | } | |
5089 | ||
5090 | /* fill auxiliary fields */ | |
5091 | #ifdef _WIN32 | |
5092 | _ftime(&tb); | |
5093 | sn->date_sec = tb.time; | |
5094 | sn->date_nsec = tb.millitm * 1000000; | |
5095 | #else | |
5096 | gettimeofday(&tv, NULL); | |
5097 | sn->date_sec = tv.tv_sec; | |
5098 | sn->date_nsec = tv.tv_usec * 1000; | |
5099 | #endif | |
5100 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); | |
5101 | ||
5102 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
5103 | term_printf("Device %s does not support VM state snapshots\n", | |
5104 | bdrv_get_device_name(bs)); | |
5105 | goto the_end; | |
5106 | } | |
5107 | ||
5108 | /* save the VM state */ | |
5109 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); | |
5110 | if (!f) { | |
5111 | term_printf("Could not open VM state file\n"); | |
5112 | goto the_end; | |
5113 | } | |
5114 | ret = qemu_savevm_state(f); | |
5115 | sn->vm_state_size = qemu_ftell(f); | |
5116 | qemu_fclose(f); | |
5117 | if (ret < 0) { | |
5118 | term_printf("Error %d while writing VM\n", ret); | |
5119 | goto the_end; | |
5120 | } | |
5121 | ||
5122 | /* create the snapshots */ | |
5123 | ||
5124 | for(i = 0; i < MAX_DISKS; i++) { | |
5125 | bs1 = bs_table[i]; | |
5126 | if (bdrv_has_snapshot(bs1)) { | |
5127 | if (must_delete) { | |
5128 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); | |
5129 | if (ret < 0) { | |
5130 | term_printf("Error while deleting snapshot on '%s'\n", | |
5131 | bdrv_get_device_name(bs1)); | |
5132 | } | |
5133 | } | |
5134 | ret = bdrv_snapshot_create(bs1, sn); | |
5135 | if (ret < 0) { | |
5136 | term_printf("Error while creating snapshot on '%s'\n", | |
5137 | bdrv_get_device_name(bs1)); | |
5138 | } | |
5139 | } | |
5140 | } | |
5141 | ||
5142 | the_end: | |
5143 | if (saved_vm_running) | |
5144 | vm_start(); | |
5145 | } | |
5146 | ||
5147 | void do_loadvm(const char *name) | |
5148 | { | |
5149 | BlockDriverState *bs, *bs1; | |
5150 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
5151 | QEMUFile *f; | |
5152 | int i, ret; | |
5153 | int saved_vm_running; | |
5154 | ||
5155 | bs = get_bs_snapshots(); | |
5156 | if (!bs) { | |
5157 | term_printf("No block device supports snapshots\n"); | |
5158 | return; | |
5159 | } | |
5160 | ||
5161 | /* Flush all IO requests so they don't interfere with the new state. */ | |
5162 | qemu_aio_flush(); | |
5163 | ||
5164 | saved_vm_running = vm_running; | |
5165 | vm_stop(0); | |
5166 | ||
5167 | for(i = 0; i <= MAX_DISKS; i++) { | |
5168 | bs1 = bs_table[i]; | |
5169 | if (bdrv_has_snapshot(bs1)) { | |
5170 | ret = bdrv_snapshot_goto(bs1, name); | |
5171 | if (ret < 0) { | |
5172 | if (bs != bs1) | |
5173 | term_printf("Warning: "); | |
5174 | switch(ret) { | |
5175 | case -ENOTSUP: | |
5176 | term_printf("Snapshots not supported on device '%s'\n", | |
5177 | bdrv_get_device_name(bs1)); | |
5178 | break; | |
5179 | case -ENOENT: | |
5180 | term_printf("Could not find snapshot '%s' on device '%s'\n", | |
5181 | name, bdrv_get_device_name(bs1)); | |
5182 | break; | |
5183 | default: | |
5184 | term_printf("Error %d while activating snapshot on '%s'\n", | |
5185 | ret, bdrv_get_device_name(bs1)); | |
5186 | break; | |
5187 | } | |
5188 | /* fatal on snapshot block device */ | |
5189 | if (bs == bs1) | |
5190 | goto the_end; | |
5191 | } | |
5192 | } | |
5193 | } | |
5194 | ||
5195 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
5196 | term_printf("Device %s does not support VM state snapshots\n", | |
5197 | bdrv_get_device_name(bs)); | |
5198 | return; | |
5199 | } | |
5200 | ||
5201 | /* restore the VM state */ | |
5202 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); | |
5203 | if (!f) { | |
5204 | term_printf("Could not open VM state file\n"); | |
5205 | goto the_end; | |
5206 | } | |
5207 | ret = qemu_loadvm_state(f); | |
5208 | qemu_fclose(f); | |
5209 | if (ret < 0) { | |
5210 | term_printf("Error %d while loading VM state\n", ret); | |
5211 | } | |
5212 | the_end: | |
5213 | if (saved_vm_running) | |
5214 | vm_start(); | |
5215 | } | |
5216 | ||
5217 | void do_delvm(const char *name) | |
5218 | { | |
5219 | BlockDriverState *bs, *bs1; | |
5220 | int i, ret; | |
5221 | ||
5222 | bs = get_bs_snapshots(); | |
5223 | if (!bs) { | |
5224 | term_printf("No block device supports snapshots\n"); | |
5225 | return; | |
5226 | } | |
5227 | ||
5228 | for(i = 0; i <= MAX_DISKS; i++) { | |
5229 | bs1 = bs_table[i]; | |
5230 | if (bdrv_has_snapshot(bs1)) { | |
5231 | ret = bdrv_snapshot_delete(bs1, name); | |
5232 | if (ret < 0) { | |
5233 | if (ret == -ENOTSUP) | |
5234 | term_printf("Snapshots not supported on device '%s'\n", | |
5235 | bdrv_get_device_name(bs1)); | |
5236 | else | |
5237 | term_printf("Error %d while deleting snapshot on '%s'\n", | |
5238 | ret, bdrv_get_device_name(bs1)); | |
5239 | } | |
5240 | } | |
5241 | } | |
5242 | } | |
5243 | ||
5244 | void do_info_snapshots(void) | |
5245 | { | |
5246 | BlockDriverState *bs, *bs1; | |
5247 | QEMUSnapshotInfo *sn_tab, *sn; | |
5248 | int nb_sns, i; | |
5249 | char buf[256]; | |
5250 | ||
5251 | bs = get_bs_snapshots(); | |
5252 | if (!bs) { | |
5253 | term_printf("No available block device supports snapshots\n"); | |
5254 | return; | |
5255 | } | |
5256 | term_printf("Snapshot devices:"); | |
5257 | for(i = 0; i <= MAX_DISKS; i++) { | |
5258 | bs1 = bs_table[i]; | |
5259 | if (bdrv_has_snapshot(bs1)) { | |
5260 | if (bs == bs1) | |
5261 | term_printf(" %s", bdrv_get_device_name(bs1)); | |
5262 | } | |
5263 | } | |
5264 | term_printf("\n"); | |
5265 | ||
5266 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
5267 | if (nb_sns < 0) { | |
5268 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); | |
5269 | return; | |
5270 | } | |
5271 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); | |
5272 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
5273 | for(i = 0; i < nb_sns; i++) { | |
5274 | sn = &sn_tab[i]; | |
5275 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
5276 | } | |
5277 | qemu_free(sn_tab); | |
5278 | } | |
5279 | ||
5280 | /***********************************************************/ | |
5281 | /* cpu save/restore */ | |
5282 | ||
5283 | #if defined(TARGET_I386) | |
5284 | ||
5285 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
5286 | { | |
5287 | qemu_put_be32(f, dt->selector); | |
5288 | qemu_put_betl(f, dt->base); | |
5289 | qemu_put_be32(f, dt->limit); | |
5290 | qemu_put_be32(f, dt->flags); | |
5291 | } | |
5292 | ||
5293 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
5294 | { | |
5295 | dt->selector = qemu_get_be32(f); | |
5296 | dt->base = qemu_get_betl(f); | |
5297 | dt->limit = qemu_get_be32(f); | |
5298 | dt->flags = qemu_get_be32(f); | |
5299 | } | |
5300 | ||
5301 | void cpu_save(QEMUFile *f, void *opaque) | |
5302 | { | |
5303 | CPUState *env = opaque; | |
5304 | uint16_t fptag, fpus, fpuc, fpregs_format; | |
5305 | uint32_t hflags; | |
5306 | int i; | |
5307 | ||
5308 | for(i = 0; i < CPU_NB_REGS; i++) | |
5309 | qemu_put_betls(f, &env->regs[i]); | |
5310 | qemu_put_betls(f, &env->eip); | |
5311 | qemu_put_betls(f, &env->eflags); | |
5312 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
5313 | qemu_put_be32s(f, &hflags); | |
5314 | ||
5315 | /* FPU */ | |
5316 | fpuc = env->fpuc; | |
5317 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
5318 | fptag = 0; | |
5319 | for(i = 0; i < 8; i++) { | |
5320 | fptag |= ((!env->fptags[i]) << i); | |
5321 | } | |
5322 | ||
5323 | qemu_put_be16s(f, &fpuc); | |
5324 | qemu_put_be16s(f, &fpus); | |
5325 | qemu_put_be16s(f, &fptag); | |
5326 | ||
5327 | #ifdef USE_X86LDOUBLE | |
5328 | fpregs_format = 0; | |
5329 | #else | |
5330 | fpregs_format = 1; | |
5331 | #endif | |
5332 | qemu_put_be16s(f, &fpregs_format); | |
5333 | ||
5334 | for(i = 0; i < 8; i++) { | |
5335 | #ifdef USE_X86LDOUBLE | |
5336 | { | |
5337 | uint64_t mant; | |
5338 | uint16_t exp; | |
5339 | /* we save the real CPU data (in case of MMX usage only 'mant' | |
5340 | contains the MMX register */ | |
5341 | cpu_get_fp80(&mant, &exp, env->fpregs[i].d); | |
5342 | qemu_put_be64(f, mant); | |
5343 | qemu_put_be16(f, exp); | |
5344 | } | |
5345 | #else | |
5346 | /* if we use doubles for float emulation, we save the doubles to | |
5347 | avoid losing information in case of MMX usage. It can give | |
5348 | problems if the image is restored on a CPU where long | |
5349 | doubles are used instead. */ | |
5350 | qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0)); | |
5351 | #endif | |
5352 | } | |
5353 | ||
5354 | for(i = 0; i < 6; i++) | |
5355 | cpu_put_seg(f, &env->segs[i]); | |
5356 | cpu_put_seg(f, &env->ldt); | |
5357 | cpu_put_seg(f, &env->tr); | |
5358 | cpu_put_seg(f, &env->gdt); | |
5359 | cpu_put_seg(f, &env->idt); | |
5360 | ||
5361 | qemu_put_be32s(f, &env->sysenter_cs); | |
5362 | qemu_put_be32s(f, &env->sysenter_esp); | |
5363 | qemu_put_be32s(f, &env->sysenter_eip); | |
5364 | ||
5365 | qemu_put_betls(f, &env->cr[0]); | |
5366 | qemu_put_betls(f, &env->cr[2]); | |
5367 | qemu_put_betls(f, &env->cr[3]); | |
5368 | qemu_put_betls(f, &env->cr[4]); | |
5369 | ||
5370 | for(i = 0; i < 8; i++) | |
5371 | qemu_put_betls(f, &env->dr[i]); | |
5372 | ||
5373 | /* MMU */ | |
5374 | qemu_put_be32s(f, &env->a20_mask); | |
5375 | ||
5376 | /* XMM */ | |
5377 | qemu_put_be32s(f, &env->mxcsr); | |
5378 | for(i = 0; i < CPU_NB_REGS; i++) { | |
5379 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
5380 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
5381 | } | |
5382 | ||
5383 | #ifdef TARGET_X86_64 | |
5384 | qemu_put_be64s(f, &env->efer); | |
5385 | qemu_put_be64s(f, &env->star); | |
5386 | qemu_put_be64s(f, &env->lstar); | |
5387 | qemu_put_be64s(f, &env->cstar); | |
5388 | qemu_put_be64s(f, &env->fmask); | |
5389 | qemu_put_be64s(f, &env->kernelgsbase); | |
5390 | #endif | |
5391 | qemu_put_be32s(f, &env->smbase); | |
5392 | } | |
5393 | ||
5394 | #ifdef USE_X86LDOUBLE | |
5395 | /* XXX: add that in a FPU generic layer */ | |
5396 | union x86_longdouble { | |
5397 | uint64_t mant; | |
5398 | uint16_t exp; | |
5399 | }; | |
5400 | ||
5401 | #define MANTD1(fp) (fp & ((1LL << 52) - 1)) | |
5402 | #define EXPBIAS1 1023 | |
5403 | #define EXPD1(fp) ((fp >> 52) & 0x7FF) | |
5404 | #define SIGND1(fp) ((fp >> 32) & 0x80000000) | |
5405 | ||
5406 | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | |
5407 | { | |
5408 | int e; | |
5409 | /* mantissa */ | |
5410 | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | |
5411 | /* exponent + sign */ | |
5412 | e = EXPD1(temp) - EXPBIAS1 + 16383; | |
5413 | e |= SIGND1(temp) >> 16; | |
5414 | p->exp = e; | |
5415 | } | |
5416 | #endif | |
5417 | ||
5418 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5419 | { | |
5420 | CPUState *env = opaque; | |
5421 | int i, guess_mmx; | |
5422 | uint32_t hflags; | |
5423 | uint16_t fpus, fpuc, fptag, fpregs_format; | |
5424 | ||
5425 | if (version_id != 3 && version_id != 4) | |
5426 | return -EINVAL; | |
5427 | for(i = 0; i < CPU_NB_REGS; i++) | |
5428 | qemu_get_betls(f, &env->regs[i]); | |
5429 | qemu_get_betls(f, &env->eip); | |
5430 | qemu_get_betls(f, &env->eflags); | |
5431 | qemu_get_be32s(f, &hflags); | |
5432 | ||
5433 | qemu_get_be16s(f, &fpuc); | |
5434 | qemu_get_be16s(f, &fpus); | |
5435 | qemu_get_be16s(f, &fptag); | |
5436 | qemu_get_be16s(f, &fpregs_format); | |
5437 | ||
5438 | /* NOTE: we cannot always restore the FPU state if the image come | |
5439 | from a host with a different 'USE_X86LDOUBLE' define. We guess | |
5440 | if we are in an MMX state to restore correctly in that case. */ | |
5441 | guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); | |
5442 | for(i = 0; i < 8; i++) { | |
5443 | uint64_t mant; | |
5444 | uint16_t exp; | |
5445 | ||
5446 | switch(fpregs_format) { | |
5447 | case 0: | |
5448 | mant = qemu_get_be64(f); | |
5449 | exp = qemu_get_be16(f); | |
5450 | #ifdef USE_X86LDOUBLE | |
5451 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5452 | #else | |
5453 | /* difficult case */ | |
5454 | if (guess_mmx) | |
5455 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5456 | else | |
5457 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5458 | #endif | |
5459 | break; | |
5460 | case 1: | |
5461 | mant = qemu_get_be64(f); | |
5462 | #ifdef USE_X86LDOUBLE | |
5463 | { | |
5464 | union x86_longdouble *p; | |
5465 | /* difficult case */ | |
5466 | p = (void *)&env->fpregs[i]; | |
5467 | if (guess_mmx) { | |
5468 | p->mant = mant; | |
5469 | p->exp = 0xffff; | |
5470 | } else { | |
5471 | fp64_to_fp80(p, mant); | |
5472 | } | |
5473 | } | |
5474 | #else | |
5475 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5476 | #endif | |
5477 | break; | |
5478 | default: | |
5479 | return -EINVAL; | |
5480 | } | |
5481 | } | |
5482 | ||
5483 | env->fpuc = fpuc; | |
5484 | /* XXX: restore FPU round state */ | |
5485 | env->fpstt = (fpus >> 11) & 7; | |
5486 | env->fpus = fpus & ~0x3800; | |
5487 | fptag ^= 0xff; | |
5488 | for(i = 0; i < 8; i++) { | |
5489 | env->fptags[i] = (fptag >> i) & 1; | |
5490 | } | |
5491 | ||
5492 | for(i = 0; i < 6; i++) | |
5493 | cpu_get_seg(f, &env->segs[i]); | |
5494 | cpu_get_seg(f, &env->ldt); | |
5495 | cpu_get_seg(f, &env->tr); | |
5496 | cpu_get_seg(f, &env->gdt); | |
5497 | cpu_get_seg(f, &env->idt); | |
5498 | ||
5499 | qemu_get_be32s(f, &env->sysenter_cs); | |
5500 | qemu_get_be32s(f, &env->sysenter_esp); | |
5501 | qemu_get_be32s(f, &env->sysenter_eip); | |
5502 | ||
5503 | qemu_get_betls(f, &env->cr[0]); | |
5504 | qemu_get_betls(f, &env->cr[2]); | |
5505 | qemu_get_betls(f, &env->cr[3]); | |
5506 | qemu_get_betls(f, &env->cr[4]); | |
5507 | ||
5508 | for(i = 0; i < 8; i++) | |
5509 | qemu_get_betls(f, &env->dr[i]); | |
5510 | ||
5511 | /* MMU */ | |
5512 | qemu_get_be32s(f, &env->a20_mask); | |
5513 | ||
5514 | qemu_get_be32s(f, &env->mxcsr); | |
5515 | for(i = 0; i < CPU_NB_REGS; i++) { | |
5516 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
5517 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
5518 | } | |
5519 | ||
5520 | #ifdef TARGET_X86_64 | |
5521 | qemu_get_be64s(f, &env->efer); | |
5522 | qemu_get_be64s(f, &env->star); | |
5523 | qemu_get_be64s(f, &env->lstar); | |
5524 | qemu_get_be64s(f, &env->cstar); | |
5525 | qemu_get_be64s(f, &env->fmask); | |
5526 | qemu_get_be64s(f, &env->kernelgsbase); | |
5527 | #endif | |
5528 | if (version_id >= 4) | |
5529 | qemu_get_be32s(f, &env->smbase); | |
5530 | ||
5531 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
5532 | env->hflags = hflags; | |
5533 | tlb_flush(env, 1); | |
5534 | return 0; | |
5535 | } | |
5536 | ||
5537 | #elif defined(TARGET_PPC) | |
5538 | void cpu_save(QEMUFile *f, void *opaque) | |
5539 | { | |
5540 | } | |
5541 | ||
5542 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5543 | { | |
5544 | return 0; | |
5545 | } | |
5546 | ||
5547 | #elif defined(TARGET_MIPS) | |
5548 | void cpu_save(QEMUFile *f, void *opaque) | |
5549 | { | |
5550 | } | |
5551 | ||
5552 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5553 | { | |
5554 | return 0; | |
5555 | } | |
5556 | ||
5557 | #elif defined(TARGET_SPARC) | |
5558 | void cpu_save(QEMUFile *f, void *opaque) | |
5559 | { | |
5560 | CPUState *env = opaque; | |
5561 | int i; | |
5562 | uint32_t tmp; | |
5563 | ||
5564 | for(i = 0; i < 8; i++) | |
5565 | qemu_put_betls(f, &env->gregs[i]); | |
5566 | for(i = 0; i < NWINDOWS * 16; i++) | |
5567 | qemu_put_betls(f, &env->regbase[i]); | |
5568 | ||
5569 | /* FPU */ | |
5570 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5571 | union { | |
5572 | float32 f; | |
5573 | uint32_t i; | |
5574 | } u; | |
5575 | u.f = env->fpr[i]; | |
5576 | qemu_put_be32(f, u.i); | |
5577 | } | |
5578 | ||
5579 | qemu_put_betls(f, &env->pc); | |
5580 | qemu_put_betls(f, &env->npc); | |
5581 | qemu_put_betls(f, &env->y); | |
5582 | tmp = GET_PSR(env); | |
5583 | qemu_put_be32(f, tmp); | |
5584 | qemu_put_betls(f, &env->fsr); | |
5585 | qemu_put_betls(f, &env->tbr); | |
5586 | #ifndef TARGET_SPARC64 | |
5587 | qemu_put_be32s(f, &env->wim); | |
5588 | /* MMU */ | |
5589 | for(i = 0; i < 16; i++) | |
5590 | qemu_put_be32s(f, &env->mmuregs[i]); | |
5591 | #endif | |
5592 | } | |
5593 | ||
5594 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5595 | { | |
5596 | CPUState *env = opaque; | |
5597 | int i; | |
5598 | uint32_t tmp; | |
5599 | ||
5600 | for(i = 0; i < 8; i++) | |
5601 | qemu_get_betls(f, &env->gregs[i]); | |
5602 | for(i = 0; i < NWINDOWS * 16; i++) | |
5603 | qemu_get_betls(f, &env->regbase[i]); | |
5604 | ||
5605 | /* FPU */ | |
5606 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5607 | union { | |
5608 | float32 f; | |
5609 | uint32_t i; | |
5610 | } u; | |
5611 | u.i = qemu_get_be32(f); | |
5612 | env->fpr[i] = u.f; | |
5613 | } | |
5614 | ||
5615 | qemu_get_betls(f, &env->pc); | |
5616 | qemu_get_betls(f, &env->npc); | |
5617 | qemu_get_betls(f, &env->y); | |
5618 | tmp = qemu_get_be32(f); | |
5619 | env->cwp = 0; /* needed to ensure that the wrapping registers are | |
5620 | correctly updated */ | |
5621 | PUT_PSR(env, tmp); | |
5622 | qemu_get_betls(f, &env->fsr); | |
5623 | qemu_get_betls(f, &env->tbr); | |
5624 | #ifndef TARGET_SPARC64 | |
5625 | qemu_get_be32s(f, &env->wim); | |
5626 | /* MMU */ | |
5627 | for(i = 0; i < 16; i++) | |
5628 | qemu_get_be32s(f, &env->mmuregs[i]); | |
5629 | #endif | |
5630 | tlb_flush(env, 1); | |
5631 | return 0; | |
5632 | } | |
5633 | ||
5634 | #elif defined(TARGET_ARM) | |
5635 | ||
5636 | /* ??? Need to implement these. */ | |
5637 | void cpu_save(QEMUFile *f, void *opaque) | |
5638 | { | |
5639 | } | |
5640 | ||
5641 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5642 | { | |
5643 | return 0; | |
5644 | } | |
5645 | ||
5646 | #else | |
5647 | ||
5648 | #warning No CPU save/restore functions | |
5649 | ||
5650 | #endif | |
5651 | ||
5652 | /***********************************************************/ | |
5653 | /* ram save/restore */ | |
5654 | ||
5655 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
5656 | { | |
5657 | int v; | |
5658 | ||
5659 | v = qemu_get_byte(f); | |
5660 | switch(v) { | |
5661 | case 0: | |
5662 | if (qemu_get_buffer(f, buf, len) != len) | |
5663 | return -EIO; | |
5664 | break; | |
5665 | case 1: | |
5666 | v = qemu_get_byte(f); | |
5667 | memset(buf, v, len); | |
5668 | break; | |
5669 | default: | |
5670 | return -EINVAL; | |
5671 | } | |
5672 | return 0; | |
5673 | } | |
5674 | ||
5675 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
5676 | { | |
5677 | int i, ret; | |
5678 | ||
5679 | if (qemu_get_be32(f) != phys_ram_size) | |
5680 | return -EINVAL; | |
5681 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
5682 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
5683 | if (ret) | |
5684 | return ret; | |
5685 | } | |
5686 | return 0; | |
5687 | } | |
5688 | ||
5689 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
5690 | #define IOBUF_SIZE 4096 | |
5691 | #define RAM_CBLOCK_MAGIC 0xfabe | |
5692 | ||
5693 | typedef struct RamCompressState { | |
5694 | z_stream zstream; | |
5695 | QEMUFile *f; | |
5696 | uint8_t buf[IOBUF_SIZE]; | |
5697 | } RamCompressState; | |
5698 | ||
5699 | static int ram_compress_open(RamCompressState *s, QEMUFile *f) | |
5700 | { | |
5701 | int ret; | |
5702 | memset(s, 0, sizeof(*s)); | |
5703 | s->f = f; | |
5704 | ret = deflateInit2(&s->zstream, 1, | |
5705 | Z_DEFLATED, 15, | |
5706 | 9, Z_DEFAULT_STRATEGY); | |
5707 | if (ret != Z_OK) | |
5708 | return -1; | |
5709 | s->zstream.avail_out = IOBUF_SIZE; | |
5710 | s->zstream.next_out = s->buf; | |
5711 | return 0; | |
5712 | } | |
5713 | ||
5714 | static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) | |
5715 | { | |
5716 | qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); | |
5717 | qemu_put_be16(s->f, len); | |
5718 | qemu_put_buffer(s->f, buf, len); | |
5719 | } | |
5720 | ||
5721 | static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) | |
5722 | { | |
5723 | int ret; | |
5724 | ||
5725 | s->zstream.avail_in = len; | |
5726 | s->zstream.next_in = (uint8_t *)buf; | |
5727 | while (s->zstream.avail_in > 0) { | |
5728 | ret = deflate(&s->zstream, Z_NO_FLUSH); | |
5729 | if (ret != Z_OK) | |
5730 | return -1; | |
5731 | if (s->zstream.avail_out == 0) { | |
5732 | ram_put_cblock(s, s->buf, IOBUF_SIZE); | |
5733 | s->zstream.avail_out = IOBUF_SIZE; | |
5734 | s->zstream.next_out = s->buf; | |
5735 | } | |
5736 | } | |
5737 | return 0; | |
5738 | } | |
5739 | ||
5740 | static void ram_compress_close(RamCompressState *s) | |
5741 | { | |
5742 | int len, ret; | |
5743 | ||
5744 | /* compress last bytes */ | |
5745 | for(;;) { | |
5746 | ret = deflate(&s->zstream, Z_FINISH); | |
5747 | if (ret == Z_OK || ret == Z_STREAM_END) { | |
5748 | len = IOBUF_SIZE - s->zstream.avail_out; | |
5749 | if (len > 0) { | |
5750 | ram_put_cblock(s, s->buf, len); | |
5751 | } | |
5752 | s->zstream.avail_out = IOBUF_SIZE; | |
5753 | s->zstream.next_out = s->buf; | |
5754 | if (ret == Z_STREAM_END) | |
5755 | break; | |
5756 | } else { | |
5757 | goto fail; | |
5758 | } | |
5759 | } | |
5760 | fail: | |
5761 | deflateEnd(&s->zstream); | |
5762 | } | |
5763 | ||
5764 | typedef struct RamDecompressState { | |
5765 | z_stream zstream; | |
5766 | QEMUFile *f; | |
5767 | uint8_t buf[IOBUF_SIZE]; | |
5768 | } RamDecompressState; | |
5769 | ||
5770 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
5771 | { | |
5772 | int ret; | |
5773 | memset(s, 0, sizeof(*s)); | |
5774 | s->f = f; | |
5775 | ret = inflateInit(&s->zstream); | |
5776 | if (ret != Z_OK) | |
5777 | return -1; | |
5778 | return 0; | |
5779 | } | |
5780 | ||
5781 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
5782 | { | |
5783 | int ret, clen; | |
5784 | ||
5785 | s->zstream.avail_out = len; | |
5786 | s->zstream.next_out = buf; | |
5787 | while (s->zstream.avail_out > 0) { | |
5788 | if (s->zstream.avail_in == 0) { | |
5789 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
5790 | return -1; | |
5791 | clen = qemu_get_be16(s->f); | |
5792 | if (clen > IOBUF_SIZE) | |
5793 | return -1; | |
5794 | qemu_get_buffer(s->f, s->buf, clen); | |
5795 | s->zstream.avail_in = clen; | |
5796 | s->zstream.next_in = s->buf; | |
5797 | } | |
5798 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
5799 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
5800 | return -1; | |
5801 | } | |
5802 | } | |
5803 | return 0; | |
5804 | } | |
5805 | ||
5806 | static void ram_decompress_close(RamDecompressState *s) | |
5807 | { | |
5808 | inflateEnd(&s->zstream); | |
5809 | } | |
5810 | ||
5811 | static void ram_save(QEMUFile *f, void *opaque) | |
5812 | { | |
5813 | int i; | |
5814 | RamCompressState s1, *s = &s1; | |
5815 | uint8_t buf[10]; | |
5816 | ||
5817 | qemu_put_be32(f, phys_ram_size); | |
5818 | if (ram_compress_open(s, f) < 0) | |
5819 | return; | |
5820 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
5821 | #if 0 | |
5822 | if (tight_savevm_enabled) { | |
5823 | int64_t sector_num; | |
5824 | int j; | |
5825 | ||
5826 | /* find if the memory block is available on a virtual | |
5827 | block device */ | |
5828 | sector_num = -1; | |
5829 | for(j = 0; j < MAX_DISKS; j++) { | |
5830 | if (bs_table[j]) { | |
5831 | sector_num = bdrv_hash_find(bs_table[j], | |
5832 | phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
5833 | if (sector_num >= 0) | |
5834 | break; | |
5835 | } | |
5836 | } | |
5837 | if (j == MAX_DISKS) | |
5838 | goto normal_compress; | |
5839 | buf[0] = 1; | |
5840 | buf[1] = j; | |
5841 | cpu_to_be64wu((uint64_t *)(buf + 2), sector_num); | |
5842 | ram_compress_buf(s, buf, 10); | |
5843 | } else | |
5844 | #endif | |
5845 | { | |
5846 | // normal_compress: | |
5847 | buf[0] = 0; | |
5848 | ram_compress_buf(s, buf, 1); | |
5849 | ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
5850 | } | |
5851 | } | |
5852 | ram_compress_close(s); | |
5853 | } | |
5854 | ||
5855 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
5856 | { | |
5857 | RamDecompressState s1, *s = &s1; | |
5858 | uint8_t buf[10]; | |
5859 | int i; | |
5860 | ||
5861 | if (version_id == 1) | |
5862 | return ram_load_v1(f, opaque); | |
5863 | if (version_id != 2) | |
5864 | return -EINVAL; | |
5865 | if (qemu_get_be32(f) != phys_ram_size) | |
5866 | return -EINVAL; | |
5867 | if (ram_decompress_open(s, f) < 0) | |
5868 | return -EINVAL; | |
5869 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
5870 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
5871 | fprintf(stderr, "Error while reading ram block header\n"); | |
5872 | goto error; | |
5873 | } | |
5874 | if (buf[0] == 0) { | |
5875 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
5876 | fprintf(stderr, "Error while reading ram block address=0x%08x", i); | |
5877 | goto error; | |
5878 | } | |
5879 | } else | |
5880 | #if 0 | |
5881 | if (buf[0] == 1) { | |
5882 | int bs_index; | |
5883 | int64_t sector_num; | |
5884 | ||
5885 | ram_decompress_buf(s, buf + 1, 9); | |
5886 | bs_index = buf[1]; | |
5887 | sector_num = be64_to_cpupu((const uint64_t *)(buf + 2)); | |
5888 | if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) { | |
5889 | fprintf(stderr, "Invalid block device index %d\n", bs_index); | |
5890 | goto error; | |
5891 | } | |
5892 | if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i, | |
5893 | BDRV_HASH_BLOCK_SIZE / 512) < 0) { | |
5894 | fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n", | |
5895 | bs_index, sector_num); | |
5896 | goto error; | |
5897 | } | |
5898 | } else | |
5899 | #endif | |
5900 | { | |
5901 | error: | |
5902 | printf("Error block header\n"); | |
5903 | return -EINVAL; | |
5904 | } | |
5905 | } | |
5906 | ram_decompress_close(s); | |
5907 | return 0; | |
5908 | } | |
5909 | ||
5910 | /***********************************************************/ | |
5911 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
5912 | ||
5913 | struct QEMUBH { | |
5914 | QEMUBHFunc *cb; | |
5915 | void *opaque; | |
5916 | int scheduled; | |
5917 | QEMUBH *next; | |
5918 | }; | |
5919 | ||
5920 | static QEMUBH *first_bh = NULL; | |
5921 | ||
5922 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
5923 | { | |
5924 | QEMUBH *bh; | |
5925 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
5926 | if (!bh) | |
5927 | return NULL; | |
5928 | bh->cb = cb; | |
5929 | bh->opaque = opaque; | |
5930 | return bh; | |
5931 | } | |
5932 | ||
5933 | int qemu_bh_poll(void) | |
5934 | { | |
5935 | QEMUBH *bh, **pbh; | |
5936 | int ret; | |
5937 | ||
5938 | ret = 0; | |
5939 | for(;;) { | |
5940 | pbh = &first_bh; | |
5941 | bh = *pbh; | |
5942 | if (!bh) | |
5943 | break; | |
5944 | ret = 1; | |
5945 | *pbh = bh->next; | |
5946 | bh->scheduled = 0; | |
5947 | bh->cb(bh->opaque); | |
5948 | } | |
5949 | return ret; | |
5950 | } | |
5951 | ||
5952 | void qemu_bh_schedule(QEMUBH *bh) | |
5953 | { | |
5954 | CPUState *env = cpu_single_env; | |
5955 | if (bh->scheduled) | |
5956 | return; | |
5957 | bh->scheduled = 1; | |
5958 | bh->next = first_bh; | |
5959 | first_bh = bh; | |
5960 | ||
5961 | /* stop the currently executing CPU to execute the BH ASAP */ | |
5962 | if (env) { | |
5963 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
5964 | } | |
5965 | } | |
5966 | ||
5967 | void qemu_bh_cancel(QEMUBH *bh) | |
5968 | { | |
5969 | QEMUBH **pbh; | |
5970 | if (bh->scheduled) { | |
5971 | pbh = &first_bh; | |
5972 | while (*pbh != bh) | |
5973 | pbh = &(*pbh)->next; | |
5974 | *pbh = bh->next; | |
5975 | bh->scheduled = 0; | |
5976 | } | |
5977 | } | |
5978 | ||
5979 | void qemu_bh_delete(QEMUBH *bh) | |
5980 | { | |
5981 | qemu_bh_cancel(bh); | |
5982 | qemu_free(bh); | |
5983 | } | |
5984 | ||
5985 | /***********************************************************/ | |
5986 | /* machine registration */ | |
5987 | ||
5988 | QEMUMachine *first_machine = NULL; | |
5989 | ||
5990 | int qemu_register_machine(QEMUMachine *m) | |
5991 | { | |
5992 | QEMUMachine **pm; | |
5993 | pm = &first_machine; | |
5994 | while (*pm != NULL) | |
5995 | pm = &(*pm)->next; | |
5996 | m->next = NULL; | |
5997 | *pm = m; | |
5998 | return 0; | |
5999 | } | |
6000 | ||
6001 | QEMUMachine *find_machine(const char *name) | |
6002 | { | |
6003 | QEMUMachine *m; | |
6004 | ||
6005 | for(m = first_machine; m != NULL; m = m->next) { | |
6006 | if (!strcmp(m->name, name)) | |
6007 | return m; | |
6008 | } | |
6009 | return NULL; | |
6010 | } | |
6011 | ||
6012 | /***********************************************************/ | |
6013 | /* main execution loop */ | |
6014 | ||
6015 | void gui_update(void *opaque) | |
6016 | { | |
6017 | display_state.dpy_refresh(&display_state); | |
6018 | qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
6019 | } | |
6020 | ||
6021 | struct vm_change_state_entry { | |
6022 | VMChangeStateHandler *cb; | |
6023 | void *opaque; | |
6024 | LIST_ENTRY (vm_change_state_entry) entries; | |
6025 | }; | |
6026 | ||
6027 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
6028 | ||
6029 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
6030 | void *opaque) | |
6031 | { | |
6032 | VMChangeStateEntry *e; | |
6033 | ||
6034 | e = qemu_mallocz(sizeof (*e)); | |
6035 | if (!e) | |
6036 | return NULL; | |
6037 | ||
6038 | e->cb = cb; | |
6039 | e->opaque = opaque; | |
6040 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
6041 | return e; | |
6042 | } | |
6043 | ||
6044 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
6045 | { | |
6046 | LIST_REMOVE (e, entries); | |
6047 | qemu_free (e); | |
6048 | } | |
6049 | ||
6050 | static void vm_state_notify(int running) | |
6051 | { | |
6052 | VMChangeStateEntry *e; | |
6053 | ||
6054 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
6055 | e->cb(e->opaque, running); | |
6056 | } | |
6057 | } | |
6058 | ||
6059 | /* XXX: support several handlers */ | |
6060 | static VMStopHandler *vm_stop_cb; | |
6061 | static void *vm_stop_opaque; | |
6062 | ||
6063 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
6064 | { | |
6065 | vm_stop_cb = cb; | |
6066 | vm_stop_opaque = opaque; | |
6067 | return 0; | |
6068 | } | |
6069 | ||
6070 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
6071 | { | |
6072 | vm_stop_cb = NULL; | |
6073 | } | |
6074 | ||
6075 | void vm_start(void) | |
6076 | { | |
6077 | if (!vm_running) { | |
6078 | cpu_enable_ticks(); | |
6079 | vm_running = 1; | |
6080 | vm_state_notify(1); | |
6081 | } | |
6082 | } | |
6083 | ||
6084 | void vm_stop(int reason) | |
6085 | { | |
6086 | if (vm_running) { | |
6087 | cpu_disable_ticks(); | |
6088 | vm_running = 0; | |
6089 | if (reason != 0) { | |
6090 | if (vm_stop_cb) { | |
6091 | vm_stop_cb(vm_stop_opaque, reason); | |
6092 | } | |
6093 | } | |
6094 | vm_state_notify(0); | |
6095 | } | |
6096 | } | |
6097 | ||
6098 | /* reset/shutdown handler */ | |
6099 | ||
6100 | typedef struct QEMUResetEntry { | |
6101 | QEMUResetHandler *func; | |
6102 | void *opaque; | |
6103 | struct QEMUResetEntry *next; | |
6104 | } QEMUResetEntry; | |
6105 | ||
6106 | static QEMUResetEntry *first_reset_entry; | |
6107 | static int reset_requested; | |
6108 | static int shutdown_requested; | |
6109 | static int powerdown_requested; | |
6110 | ||
6111 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
6112 | { | |
6113 | QEMUResetEntry **pre, *re; | |
6114 | ||
6115 | pre = &first_reset_entry; | |
6116 | while (*pre != NULL) | |
6117 | pre = &(*pre)->next; | |
6118 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
6119 | re->func = func; | |
6120 | re->opaque = opaque; | |
6121 | re->next = NULL; | |
6122 | *pre = re; | |
6123 | } | |
6124 | ||
6125 | static void qemu_system_reset(void) | |
6126 | { | |
6127 | QEMUResetEntry *re; | |
6128 | ||
6129 | /* reset all devices */ | |
6130 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
6131 | re->func(re->opaque); | |
6132 | } | |
6133 | } | |
6134 | ||
6135 | void qemu_system_reset_request(void) | |
6136 | { | |
6137 | if (no_reboot) { | |
6138 | shutdown_requested = 1; | |
6139 | } else { | |
6140 | reset_requested = 1; | |
6141 | } | |
6142 | if (cpu_single_env) | |
6143 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6144 | } | |
6145 | ||
6146 | void qemu_system_shutdown_request(void) | |
6147 | { | |
6148 | shutdown_requested = 1; | |
6149 | if (cpu_single_env) | |
6150 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6151 | } | |
6152 | ||
6153 | void qemu_system_powerdown_request(void) | |
6154 | { | |
6155 | powerdown_requested = 1; | |
6156 | if (cpu_single_env) | |
6157 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6158 | } | |
6159 | ||
6160 | void main_loop_wait(int timeout) | |
6161 | { | |
6162 | IOHandlerRecord *ioh; | |
6163 | fd_set rfds, wfds, xfds; | |
6164 | int ret, nfds; | |
6165 | struct timeval tv; | |
6166 | PollingEntry *pe; | |
6167 | ||
6168 | ||
6169 | /* XXX: need to suppress polling by better using win32 events */ | |
6170 | ret = 0; | |
6171 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
6172 | ret |= pe->func(pe->opaque); | |
6173 | } | |
6174 | #ifdef _WIN32 | |
6175 | if (ret == 0 && timeout > 0) { | |
6176 | int err; | |
6177 | WaitObjects *w = &wait_objects; | |
6178 | ||
6179 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); | |
6180 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
6181 | if (w->func[ret - WAIT_OBJECT_0]) | |
6182 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
6183 | } else if (ret == WAIT_TIMEOUT) { | |
6184 | } else { | |
6185 | err = GetLastError(); | |
6186 | fprintf(stderr, "Wait error %d %d\n", ret, err); | |
6187 | } | |
6188 | } | |
6189 | #endif | |
6190 | /* poll any events */ | |
6191 | /* XXX: separate device handlers from system ones */ | |
6192 | nfds = -1; | |
6193 | FD_ZERO(&rfds); | |
6194 | FD_ZERO(&wfds); | |
6195 | FD_ZERO(&xfds); | |
6196 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6197 | if (ioh->deleted) | |
6198 | continue; | |
6199 | if (ioh->fd_read && | |
6200 | (!ioh->fd_read_poll || | |
6201 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
6202 | FD_SET(ioh->fd, &rfds); | |
6203 | if (ioh->fd > nfds) | |
6204 | nfds = ioh->fd; | |
6205 | } | |
6206 | if (ioh->fd_write) { | |
6207 | FD_SET(ioh->fd, &wfds); | |
6208 | if (ioh->fd > nfds) | |
6209 | nfds = ioh->fd; | |
6210 | } | |
6211 | } | |
6212 | ||
6213 | tv.tv_sec = 0; | |
6214 | #ifdef _WIN32 | |
6215 | tv.tv_usec = 0; | |
6216 | #else | |
6217 | tv.tv_usec = timeout * 1000; | |
6218 | #endif | |
6219 | #if defined(CONFIG_SLIRP) | |
6220 | if (slirp_inited) { | |
6221 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
6222 | } | |
6223 | #endif | |
6224 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
6225 | if (ret > 0) { | |
6226 | IOHandlerRecord **pioh; | |
6227 | ||
6228 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6229 | if (ioh->deleted) | |
6230 | continue; | |
6231 | if (FD_ISSET(ioh->fd, &rfds)) { | |
6232 | ioh->fd_read(ioh->opaque); | |
6233 | } | |
6234 | if (FD_ISSET(ioh->fd, &wfds)) { | |
6235 | ioh->fd_write(ioh->opaque); | |
6236 | } | |
6237 | } | |
6238 | ||
6239 | /* remove deleted IO handlers */ | |
6240 | pioh = &first_io_handler; | |
6241 | while (*pioh) { | |
6242 | ioh = *pioh; | |
6243 | if (ioh->deleted) { | |
6244 | *pioh = ioh->next; | |
6245 | qemu_free(ioh); | |
6246 | } else | |
6247 | pioh = &ioh->next; | |
6248 | } | |
6249 | } | |
6250 | #if defined(CONFIG_SLIRP) | |
6251 | if (slirp_inited) { | |
6252 | if (ret < 0) { | |
6253 | FD_ZERO(&rfds); | |
6254 | FD_ZERO(&wfds); | |
6255 | FD_ZERO(&xfds); | |
6256 | } | |
6257 | slirp_select_poll(&rfds, &wfds, &xfds); | |
6258 | } | |
6259 | #endif | |
6260 | qemu_aio_poll(); | |
6261 | qemu_bh_poll(); | |
6262 | ||
6263 | if (vm_running) { | |
6264 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
6265 | qemu_get_clock(vm_clock)); | |
6266 | /* run dma transfers, if any */ | |
6267 | DMA_run(); | |
6268 | } | |
6269 | ||
6270 | /* real time timers */ | |
6271 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
6272 | qemu_get_clock(rt_clock)); | |
6273 | } | |
6274 | ||
6275 | static CPUState *cur_cpu; | |
6276 | ||
6277 | int main_loop(void) | |
6278 | { | |
6279 | int ret, timeout; | |
6280 | #ifdef CONFIG_PROFILER | |
6281 | int64_t ti; | |
6282 | #endif | |
6283 | CPUState *env; | |
6284 | ||
6285 | cur_cpu = first_cpu; | |
6286 | for(;;) { | |
6287 | if (vm_running) { | |
6288 | ||
6289 | env = cur_cpu; | |
6290 | for(;;) { | |
6291 | /* get next cpu */ | |
6292 | env = env->next_cpu; | |
6293 | if (!env) | |
6294 | env = first_cpu; | |
6295 | #ifdef CONFIG_PROFILER | |
6296 | ti = profile_getclock(); | |
6297 | #endif | |
6298 | ret = cpu_exec(env); | |
6299 | #ifdef CONFIG_PROFILER | |
6300 | qemu_time += profile_getclock() - ti; | |
6301 | #endif | |
6302 | if (ret == EXCP_HLT) { | |
6303 | /* Give the next CPU a chance to run. */ | |
6304 | cur_cpu = env; | |
6305 | continue; | |
6306 | } | |
6307 | if (ret != EXCP_HALTED) | |
6308 | break; | |
6309 | /* all CPUs are halted ? */ | |
6310 | if (env == cur_cpu) | |
6311 | break; | |
6312 | } | |
6313 | cur_cpu = env; | |
6314 | ||
6315 | if (shutdown_requested) { | |
6316 | ret = EXCP_INTERRUPT; | |
6317 | break; | |
6318 | } | |
6319 | if (reset_requested) { | |
6320 | reset_requested = 0; | |
6321 | qemu_system_reset(); | |
6322 | ret = EXCP_INTERRUPT; | |
6323 | } | |
6324 | if (powerdown_requested) { | |
6325 | powerdown_requested = 0; | |
6326 | qemu_system_powerdown(); | |
6327 | ret = EXCP_INTERRUPT; | |
6328 | } | |
6329 | if (ret == EXCP_DEBUG) { | |
6330 | vm_stop(EXCP_DEBUG); | |
6331 | } | |
6332 | /* If all cpus are halted then wait until the next IRQ */ | |
6333 | /* XXX: use timeout computed from timers */ | |
6334 | if (ret == EXCP_HALTED) | |
6335 | timeout = 10; | |
6336 | else | |
6337 | timeout = 0; | |
6338 | } else { | |
6339 | timeout = 10; | |
6340 | } | |
6341 | #ifdef CONFIG_PROFILER | |
6342 | ti = profile_getclock(); | |
6343 | #endif | |
6344 | main_loop_wait(timeout); | |
6345 | #ifdef CONFIG_PROFILER | |
6346 | dev_time += profile_getclock() - ti; | |
6347 | #endif | |
6348 | } | |
6349 | cpu_disable_ticks(); | |
6350 | return ret; | |
6351 | } | |
6352 | ||
6353 | void help(void) | |
6354 | { | |
6355 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" | |
6356 | "usage: %s [options] [disk_image]\n" | |
6357 | "\n" | |
6358 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
6359 | "\n" | |
6360 | "Standard options:\n" | |
6361 | "-M machine select emulated machine (-M ? for list)\n" | |
6362 | "-cpu cpu select CPU (-cpu ? for list)\n" | |
6363 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
6364 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
6365 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
6366 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
6367 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" | |
6368 | "-snapshot write to temporary files instead of disk image files\n" | |
6369 | #ifdef CONFIG_SDL | |
6370 | "-no-frame open SDL window without a frame and window decorations\n" | |
6371 | "-no-quit disable SDL window close capability\n" | |
6372 | #endif | |
6373 | #ifdef TARGET_I386 | |
6374 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
6375 | #endif | |
6376 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
6377 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
6378 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
6379 | #ifndef _WIN32 | |
6380 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
6381 | #endif | |
6382 | #ifdef HAS_AUDIO | |
6383 | "-audio-help print list of audio drivers and their options\n" | |
6384 | "-soundhw c1,... enable audio support\n" | |
6385 | " and only specified sound cards (comma separated list)\n" | |
6386 | " use -soundhw ? to get the list of supported cards\n" | |
6387 | " use -soundhw all to enable all of them\n" | |
6388 | #endif | |
6389 | "-localtime set the real time clock to local time [default=utc]\n" | |
6390 | "-full-screen start in full screen\n" | |
6391 | #ifdef TARGET_I386 | |
6392 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
6393 | #endif | |
6394 | "-usb enable the USB driver (will be the default soon)\n" | |
6395 | "-usbdevice name add the host or guest USB device 'name'\n" | |
6396 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
6397 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
6398 | #endif | |
6399 | "-name string set the name of the guest\n" | |
6400 | "\n" | |
6401 | "Network options:\n" | |
6402 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" | |
6403 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
6404 | #ifdef CONFIG_SLIRP | |
6405 | "-net user[,vlan=n][,hostname=host]\n" | |
6406 | " connect the user mode network stack to VLAN 'n' and send\n" | |
6407 | " hostname 'host' to DHCP clients\n" | |
6408 | #endif | |
6409 | #ifdef _WIN32 | |
6410 | "-net tap[,vlan=n],ifname=name\n" | |
6411 | " connect the host TAP network interface to VLAN 'n'\n" | |
6412 | #else | |
6413 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n" | |
6414 | " connect the host TAP network interface to VLAN 'n' and use\n" | |
6415 | " the network script 'file' (default=%s);\n" | |
6416 | " use 'script=no' to disable script execution;\n" | |
6417 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
6418 | #endif | |
6419 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
6420 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
6421 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" | |
6422 | " connect the vlan 'n' to multicast maddr and port\n" | |
6423 | "-net none use it alone to have zero network devices; if no -net option\n" | |
6424 | " is provided, the default is '-net nic -net user'\n" | |
6425 | "\n" | |
6426 | #ifdef CONFIG_SLIRP | |
6427 | "-tftp dir allow tftp access to files in dir [-net user]\n" | |
6428 | "-bootp file advertise file in BOOTP replies\n" | |
6429 | #ifndef _WIN32 | |
6430 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
6431 | #endif | |
6432 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
6433 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
6434 | #endif | |
6435 | "\n" | |
6436 | "Linux boot specific:\n" | |
6437 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
6438 | "-append cmdline use 'cmdline' as kernel command line\n" | |
6439 | "-initrd file use 'file' as initial ram disk\n" | |
6440 | "\n" | |
6441 | "Debug/Expert options:\n" | |
6442 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
6443 | "-serial dev redirect the serial port to char device 'dev'\n" | |
6444 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
6445 | "-pidfile file Write PID to 'file'\n" | |
6446 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
6447 | "-s wait gdb connection to port\n" | |
6448 | "-p port set gdb connection port [default=%s]\n" | |
6449 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
6450 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
6451 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
6452 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
6453 | #ifdef USE_KQEMU | |
6454 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
6455 | "-no-kqemu disable KQEMU kernel module usage\n" | |
6456 | #endif | |
6457 | #ifdef USE_CODE_COPY | |
6458 | "-no-code-copy disable code copy acceleration\n" | |
6459 | #endif | |
6460 | #ifdef TARGET_I386 | |
6461 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" | |
6462 | " (default is CL-GD5446 PCI VGA)\n" | |
6463 | "-no-acpi disable ACPI\n" | |
6464 | #endif | |
6465 | "-no-reboot exit instead of rebooting\n" | |
6466 | "-loadvm file start right away with a saved state (loadvm in monitor)\n" | |
6467 | "-vnc display start a VNC server on display\n" | |
6468 | #ifndef _WIN32 | |
6469 | "-daemonize daemonize QEMU after initializing\n" | |
6470 | #endif | |
6471 | "-option-rom rom load a file, rom, into the option ROM space\n" | |
6472 | "\n" | |
6473 | "During emulation, the following keys are useful:\n" | |
6474 | "ctrl-alt-f toggle full screen\n" | |
6475 | "ctrl-alt-n switch to virtual console 'n'\n" | |
6476 | "ctrl-alt toggle mouse and keyboard grab\n" | |
6477 | "\n" | |
6478 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
6479 | , | |
6480 | "qemu", | |
6481 | DEFAULT_RAM_SIZE, | |
6482 | #ifndef _WIN32 | |
6483 | DEFAULT_NETWORK_SCRIPT, | |
6484 | #endif | |
6485 | DEFAULT_GDBSTUB_PORT, | |
6486 | "/tmp/qemu.log"); | |
6487 | exit(1); | |
6488 | } | |
6489 | ||
6490 | #define HAS_ARG 0x0001 | |
6491 | ||
6492 | enum { | |
6493 | QEMU_OPTION_h, | |
6494 | ||
6495 | QEMU_OPTION_M, | |
6496 | QEMU_OPTION_cpu, | |
6497 | QEMU_OPTION_fda, | |
6498 | QEMU_OPTION_fdb, | |
6499 | QEMU_OPTION_hda, | |
6500 | QEMU_OPTION_hdb, | |
6501 | QEMU_OPTION_hdc, | |
6502 | QEMU_OPTION_hdd, | |
6503 | QEMU_OPTION_cdrom, | |
6504 | QEMU_OPTION_boot, | |
6505 | QEMU_OPTION_snapshot, | |
6506 | #ifdef TARGET_I386 | |
6507 | QEMU_OPTION_no_fd_bootchk, | |
6508 | #endif | |
6509 | QEMU_OPTION_m, | |
6510 | QEMU_OPTION_nographic, | |
6511 | #ifdef HAS_AUDIO | |
6512 | QEMU_OPTION_audio_help, | |
6513 | QEMU_OPTION_soundhw, | |
6514 | #endif | |
6515 | ||
6516 | QEMU_OPTION_net, | |
6517 | QEMU_OPTION_tftp, | |
6518 | QEMU_OPTION_bootp, | |
6519 | QEMU_OPTION_smb, | |
6520 | QEMU_OPTION_redir, | |
6521 | ||
6522 | QEMU_OPTION_kernel, | |
6523 | QEMU_OPTION_append, | |
6524 | QEMU_OPTION_initrd, | |
6525 | ||
6526 | QEMU_OPTION_S, | |
6527 | QEMU_OPTION_s, | |
6528 | QEMU_OPTION_p, | |
6529 | QEMU_OPTION_d, | |
6530 | QEMU_OPTION_hdachs, | |
6531 | QEMU_OPTION_L, | |
6532 | QEMU_OPTION_no_code_copy, | |
6533 | QEMU_OPTION_k, | |
6534 | QEMU_OPTION_localtime, | |
6535 | QEMU_OPTION_cirrusvga, | |
6536 | QEMU_OPTION_g, | |
6537 | QEMU_OPTION_std_vga, | |
6538 | QEMU_OPTION_echr, | |
6539 | QEMU_OPTION_monitor, | |
6540 | QEMU_OPTION_serial, | |
6541 | QEMU_OPTION_parallel, | |
6542 | QEMU_OPTION_loadvm, | |
6543 | QEMU_OPTION_full_screen, | |
6544 | QEMU_OPTION_no_frame, | |
6545 | QEMU_OPTION_no_quit, | |
6546 | QEMU_OPTION_pidfile, | |
6547 | QEMU_OPTION_no_kqemu, | |
6548 | QEMU_OPTION_kernel_kqemu, | |
6549 | QEMU_OPTION_win2k_hack, | |
6550 | QEMU_OPTION_usb, | |
6551 | QEMU_OPTION_usbdevice, | |
6552 | QEMU_OPTION_smp, | |
6553 | QEMU_OPTION_vnc, | |
6554 | QEMU_OPTION_no_acpi, | |
6555 | QEMU_OPTION_no_reboot, | |
6556 | QEMU_OPTION_daemonize, | |
6557 | QEMU_OPTION_option_rom, | |
6558 | QEMU_OPTION_semihosting, | |
6559 | QEMU_OPTION_name, | |
6560 | }; | |
6561 | ||
6562 | typedef struct QEMUOption { | |
6563 | const char *name; | |
6564 | int flags; | |
6565 | int index; | |
6566 | } QEMUOption; | |
6567 | ||
6568 | const QEMUOption qemu_options[] = { | |
6569 | { "h", 0, QEMU_OPTION_h }, | |
6570 | { "help", 0, QEMU_OPTION_h }, | |
6571 | ||
6572 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
6573 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, | |
6574 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
6575 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
6576 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
6577 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
6578 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
6579 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
6580 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
6581 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
6582 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
6583 | #ifdef TARGET_I386 | |
6584 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
6585 | #endif | |
6586 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
6587 | { "nographic", 0, QEMU_OPTION_nographic }, | |
6588 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
6589 | #ifdef HAS_AUDIO | |
6590 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
6591 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
6592 | #endif | |
6593 | ||
6594 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
6595 | #ifdef CONFIG_SLIRP | |
6596 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
6597 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, | |
6598 | #ifndef _WIN32 | |
6599 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
6600 | #endif | |
6601 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
6602 | #endif | |
6603 | ||
6604 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
6605 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
6606 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
6607 | ||
6608 | { "S", 0, QEMU_OPTION_S }, | |
6609 | { "s", 0, QEMU_OPTION_s }, | |
6610 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
6611 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
6612 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
6613 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
6614 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
6615 | #ifdef USE_KQEMU | |
6616 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
6617 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
6618 | #endif | |
6619 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
6620 | { "g", 1, QEMU_OPTION_g }, | |
6621 | #endif | |
6622 | { "localtime", 0, QEMU_OPTION_localtime }, | |
6623 | { "std-vga", 0, QEMU_OPTION_std_vga }, | |
6624 | { "echr", 1, QEMU_OPTION_echr }, | |
6625 | { "monitor", 1, QEMU_OPTION_monitor }, | |
6626 | { "serial", 1, QEMU_OPTION_serial }, | |
6627 | { "parallel", 1, QEMU_OPTION_parallel }, | |
6628 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
6629 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
6630 | #ifdef CONFIG_SDL | |
6631 | { "no-frame", 0, QEMU_OPTION_no_frame }, | |
6632 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
6633 | #endif | |
6634 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
6635 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
6636 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
6637 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
6638 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
6639 | ||
6640 | /* temporary options */ | |
6641 | { "usb", 0, QEMU_OPTION_usb }, | |
6642 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
6643 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
6644 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
6645 | { "daemonize", 0, QEMU_OPTION_daemonize }, | |
6646 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, | |
6647 | #if defined(TARGET_ARM) | |
6648 | { "semihosting", 0, QEMU_OPTION_semihosting }, | |
6649 | #endif | |
6650 | { "name", HAS_ARG, QEMU_OPTION_name }, | |
6651 | { NULL }, | |
6652 | }; | |
6653 | ||
6654 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
6655 | ||
6656 | /* this stack is only used during signal handling */ | |
6657 | #define SIGNAL_STACK_SIZE 32768 | |
6658 | ||
6659 | static uint8_t *signal_stack; | |
6660 | ||
6661 | #endif | |
6662 | ||
6663 | /* password input */ | |
6664 | ||
6665 | static BlockDriverState *get_bdrv(int index) | |
6666 | { | |
6667 | BlockDriverState *bs; | |
6668 | ||
6669 | if (index < 4) { | |
6670 | bs = bs_table[index]; | |
6671 | } else if (index < 6) { | |
6672 | bs = fd_table[index - 4]; | |
6673 | } else { | |
6674 | bs = NULL; | |
6675 | } | |
6676 | return bs; | |
6677 | } | |
6678 | ||
6679 | static void read_passwords(void) | |
6680 | { | |
6681 | BlockDriverState *bs; | |
6682 | int i, j; | |
6683 | char password[256]; | |
6684 | ||
6685 | for(i = 0; i < 6; i++) { | |
6686 | bs = get_bdrv(i); | |
6687 | if (bs && bdrv_is_encrypted(bs)) { | |
6688 | term_printf("%s is encrypted.\n", bdrv_get_device_name(bs)); | |
6689 | for(j = 0; j < 3; j++) { | |
6690 | monitor_readline("Password: ", | |
6691 | 1, password, sizeof(password)); | |
6692 | if (bdrv_set_key(bs, password) == 0) | |
6693 | break; | |
6694 | term_printf("invalid password\n"); | |
6695 | } | |
6696 | } | |
6697 | } | |
6698 | } | |
6699 | ||
6700 | /* XXX: currently we cannot use simultaneously different CPUs */ | |
6701 | void register_machines(void) | |
6702 | { | |
6703 | #if defined(TARGET_I386) | |
6704 | qemu_register_machine(&pc_machine); | |
6705 | qemu_register_machine(&isapc_machine); | |
6706 | #elif defined(TARGET_PPC) | |
6707 | qemu_register_machine(&heathrow_machine); | |
6708 | qemu_register_machine(&core99_machine); | |
6709 | qemu_register_machine(&prep_machine); | |
6710 | #elif defined(TARGET_MIPS) | |
6711 | qemu_register_machine(&mips_machine); | |
6712 | qemu_register_machine(&mips_malta_machine); | |
6713 | #elif defined(TARGET_SPARC) | |
6714 | #ifdef TARGET_SPARC64 | |
6715 | qemu_register_machine(&sun4u_machine); | |
6716 | #else | |
6717 | qemu_register_machine(&sun4m_machine); | |
6718 | #endif | |
6719 | #elif defined(TARGET_ARM) | |
6720 | qemu_register_machine(&integratorcp_machine); | |
6721 | qemu_register_machine(&versatilepb_machine); | |
6722 | qemu_register_machine(&versatileab_machine); | |
6723 | qemu_register_machine(&realview_machine); | |
6724 | #elif defined(TARGET_SH4) | |
6725 | qemu_register_machine(&shix_machine); | |
6726 | #else | |
6727 | #error unsupported CPU | |
6728 | #endif | |
6729 | } | |
6730 | ||
6731 | #ifdef HAS_AUDIO | |
6732 | struct soundhw soundhw[] = { | |
6733 | #ifdef TARGET_I386 | |
6734 | { | |
6735 | "pcspk", | |
6736 | "PC speaker", | |
6737 | 0, | |
6738 | 1, | |
6739 | { .init_isa = pcspk_audio_init } | |
6740 | }, | |
6741 | #endif | |
6742 | { | |
6743 | "sb16", | |
6744 | "Creative Sound Blaster 16", | |
6745 | 0, | |
6746 | 1, | |
6747 | { .init_isa = SB16_init } | |
6748 | }, | |
6749 | ||
6750 | #ifdef CONFIG_ADLIB | |
6751 | { | |
6752 | "adlib", | |
6753 | #ifdef HAS_YMF262 | |
6754 | "Yamaha YMF262 (OPL3)", | |
6755 | #else | |
6756 | "Yamaha YM3812 (OPL2)", | |
6757 | #endif | |
6758 | 0, | |
6759 | 1, | |
6760 | { .init_isa = Adlib_init } | |
6761 | }, | |
6762 | #endif | |
6763 | ||
6764 | #ifdef CONFIG_GUS | |
6765 | { | |
6766 | "gus", | |
6767 | "Gravis Ultrasound GF1", | |
6768 | 0, | |
6769 | 1, | |
6770 | { .init_isa = GUS_init } | |
6771 | }, | |
6772 | #endif | |
6773 | ||
6774 | { | |
6775 | "es1370", | |
6776 | "ENSONIQ AudioPCI ES1370", | |
6777 | 0, | |
6778 | 0, | |
6779 | { .init_pci = es1370_init } | |
6780 | }, | |
6781 | ||
6782 | { NULL, NULL, 0, 0, { NULL } } | |
6783 | }; | |
6784 | ||
6785 | static void select_soundhw (const char *optarg) | |
6786 | { | |
6787 | struct soundhw *c; | |
6788 | ||
6789 | if (*optarg == '?') { | |
6790 | show_valid_cards: | |
6791 | ||
6792 | printf ("Valid sound card names (comma separated):\n"); | |
6793 | for (c = soundhw; c->name; ++c) { | |
6794 | printf ("%-11s %s\n", c->name, c->descr); | |
6795 | } | |
6796 | printf ("\n-soundhw all will enable all of the above\n"); | |
6797 | exit (*optarg != '?'); | |
6798 | } | |
6799 | else { | |
6800 | size_t l; | |
6801 | const char *p; | |
6802 | char *e; | |
6803 | int bad_card = 0; | |
6804 | ||
6805 | if (!strcmp (optarg, "all")) { | |
6806 | for (c = soundhw; c->name; ++c) { | |
6807 | c->enabled = 1; | |
6808 | } | |
6809 | return; | |
6810 | } | |
6811 | ||
6812 | p = optarg; | |
6813 | while (*p) { | |
6814 | e = strchr (p, ','); | |
6815 | l = !e ? strlen (p) : (size_t) (e - p); | |
6816 | ||
6817 | for (c = soundhw; c->name; ++c) { | |
6818 | if (!strncmp (c->name, p, l)) { | |
6819 | c->enabled = 1; | |
6820 | break; | |
6821 | } | |
6822 | } | |
6823 | ||
6824 | if (!c->name) { | |
6825 | if (l > 80) { | |
6826 | fprintf (stderr, | |
6827 | "Unknown sound card name (too big to show)\n"); | |
6828 | } | |
6829 | else { | |
6830 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
6831 | (int) l, p); | |
6832 | } | |
6833 | bad_card = 1; | |
6834 | } | |
6835 | p += l + (e != NULL); | |
6836 | } | |
6837 | ||
6838 | if (bad_card) | |
6839 | goto show_valid_cards; | |
6840 | } | |
6841 | } | |
6842 | #endif | |
6843 | ||
6844 | #ifdef _WIN32 | |
6845 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
6846 | { | |
6847 | exit(STATUS_CONTROL_C_EXIT); | |
6848 | return TRUE; | |
6849 | } | |
6850 | #endif | |
6851 | ||
6852 | #define MAX_NET_CLIENTS 32 | |
6853 | ||
6854 | int main(int argc, char **argv) | |
6855 | { | |
6856 | #ifdef CONFIG_GDBSTUB | |
6857 | int use_gdbstub; | |
6858 | const char *gdbstub_port; | |
6859 | #endif | |
6860 | int i, cdrom_index; | |
6861 | int snapshot, linux_boot; | |
6862 | const char *initrd_filename; | |
6863 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; | |
6864 | const char *kernel_filename, *kernel_cmdline; | |
6865 | DisplayState *ds = &display_state; | |
6866 | int cyls, heads, secs, translation; | |
6867 | char net_clients[MAX_NET_CLIENTS][256]; | |
6868 | int nb_net_clients; | |
6869 | int optind; | |
6870 | const char *r, *optarg; | |
6871 | CharDriverState *monitor_hd; | |
6872 | char monitor_device[128]; | |
6873 | char serial_devices[MAX_SERIAL_PORTS][128]; | |
6874 | int serial_device_index; | |
6875 | char parallel_devices[MAX_PARALLEL_PORTS][128]; | |
6876 | int parallel_device_index; | |
6877 | const char *loadvm = NULL; | |
6878 | QEMUMachine *machine; | |
6879 | const char *cpu_model; | |
6880 | char usb_devices[MAX_USB_CMDLINE][128]; | |
6881 | int usb_devices_index; | |
6882 | int fds[2]; | |
6883 | ||
6884 | LIST_INIT (&vm_change_state_head); | |
6885 | #ifndef _WIN32 | |
6886 | { | |
6887 | struct sigaction act; | |
6888 | sigfillset(&act.sa_mask); | |
6889 | act.sa_flags = 0; | |
6890 | act.sa_handler = SIG_IGN; | |
6891 | sigaction(SIGPIPE, &act, NULL); | |
6892 | } | |
6893 | #else | |
6894 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
6895 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
6896 | QEMU to run on a single CPU */ | |
6897 | { | |
6898 | HANDLE h; | |
6899 | DWORD mask, smask; | |
6900 | int i; | |
6901 | h = GetCurrentProcess(); | |
6902 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
6903 | for(i = 0; i < 32; i++) { | |
6904 | if (mask & (1 << i)) | |
6905 | break; | |
6906 | } | |
6907 | if (i != 32) { | |
6908 | mask = 1 << i; | |
6909 | SetProcessAffinityMask(h, mask); | |
6910 | } | |
6911 | } | |
6912 | } | |
6913 | #endif | |
6914 | ||
6915 | register_machines(); | |
6916 | machine = first_machine; | |
6917 | cpu_model = NULL; | |
6918 | initrd_filename = NULL; | |
6919 | for(i = 0; i < MAX_FD; i++) | |
6920 | fd_filename[i] = NULL; | |
6921 | for(i = 0; i < MAX_DISKS; i++) | |
6922 | hd_filename[i] = NULL; | |
6923 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
6924 | vga_ram_size = VGA_RAM_SIZE; | |
6925 | #ifdef CONFIG_GDBSTUB | |
6926 | use_gdbstub = 0; | |
6927 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
6928 | #endif | |
6929 | snapshot = 0; | |
6930 | nographic = 0; | |
6931 | kernel_filename = NULL; | |
6932 | kernel_cmdline = ""; | |
6933 | #ifdef TARGET_PPC | |
6934 | cdrom_index = 1; | |
6935 | #else | |
6936 | cdrom_index = 2; | |
6937 | #endif | |
6938 | cyls = heads = secs = 0; | |
6939 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
6940 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); | |
6941 | ||
6942 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); | |
6943 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
6944 | serial_devices[i][0] = '\0'; | |
6945 | serial_device_index = 0; | |
6946 | ||
6947 | pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); | |
6948 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
6949 | parallel_devices[i][0] = '\0'; | |
6950 | parallel_device_index = 0; | |
6951 | ||
6952 | usb_devices_index = 0; | |
6953 | ||
6954 | nb_net_clients = 0; | |
6955 | ||
6956 | nb_nics = 0; | |
6957 | /* default mac address of the first network interface */ | |
6958 | ||
6959 | optind = 1; | |
6960 | for(;;) { | |
6961 | if (optind >= argc) | |
6962 | break; | |
6963 | r = argv[optind]; | |
6964 | if (r[0] != '-') { | |
6965 | hd_filename[0] = argv[optind++]; | |
6966 | } else { | |
6967 | const QEMUOption *popt; | |
6968 | ||
6969 | optind++; | |
6970 | /* Treat --foo the same as -foo. */ | |
6971 | if (r[1] == '-') | |
6972 | r++; | |
6973 | popt = qemu_options; | |
6974 | for(;;) { | |
6975 | if (!popt->name) { | |
6976 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
6977 | argv[0], r); | |
6978 | exit(1); | |
6979 | } | |
6980 | if (!strcmp(popt->name, r + 1)) | |
6981 | break; | |
6982 | popt++; | |
6983 | } | |
6984 | if (popt->flags & HAS_ARG) { | |
6985 | if (optind >= argc) { | |
6986 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
6987 | argv[0], r); | |
6988 | exit(1); | |
6989 | } | |
6990 | optarg = argv[optind++]; | |
6991 | } else { | |
6992 | optarg = NULL; | |
6993 | } | |
6994 | ||
6995 | switch(popt->index) { | |
6996 | case QEMU_OPTION_M: | |
6997 | machine = find_machine(optarg); | |
6998 | if (!machine) { | |
6999 | QEMUMachine *m; | |
7000 | printf("Supported machines are:\n"); | |
7001 | for(m = first_machine; m != NULL; m = m->next) { | |
7002 | printf("%-10s %s%s\n", | |
7003 | m->name, m->desc, | |
7004 | m == first_machine ? " (default)" : ""); | |
7005 | } | |
7006 | exit(1); | |
7007 | } | |
7008 | break; | |
7009 | case QEMU_OPTION_cpu: | |
7010 | /* hw initialization will check this */ | |
7011 | if (optarg[0] == '?') { | |
7012 | #if defined(TARGET_PPC) | |
7013 | ppc_cpu_list(stdout, &fprintf); | |
7014 | #elif defined(TARGET_ARM) | |
7015 | arm_cpu_list(); | |
7016 | #elif defined(TARGET_MIPS) | |
7017 | mips_cpu_list(stdout, &fprintf); | |
7018 | #endif | |
7019 | exit(1); | |
7020 | } else { | |
7021 | cpu_model = optarg; | |
7022 | } | |
7023 | break; | |
7024 | case QEMU_OPTION_initrd: | |
7025 | initrd_filename = optarg; | |
7026 | break; | |
7027 | case QEMU_OPTION_hda: | |
7028 | case QEMU_OPTION_hdb: | |
7029 | case QEMU_OPTION_hdc: | |
7030 | case QEMU_OPTION_hdd: | |
7031 | { | |
7032 | int hd_index; | |
7033 | hd_index = popt->index - QEMU_OPTION_hda; | |
7034 | hd_filename[hd_index] = optarg; | |
7035 | if (hd_index == cdrom_index) | |
7036 | cdrom_index = -1; | |
7037 | } | |
7038 | break; | |
7039 | case QEMU_OPTION_snapshot: | |
7040 | snapshot = 1; | |
7041 | break; | |
7042 | case QEMU_OPTION_hdachs: | |
7043 | { | |
7044 | const char *p; | |
7045 | p = optarg; | |
7046 | cyls = strtol(p, (char **)&p, 0); | |
7047 | if (cyls < 1 || cyls > 16383) | |
7048 | goto chs_fail; | |
7049 | if (*p != ',') | |
7050 | goto chs_fail; | |
7051 | p++; | |
7052 | heads = strtol(p, (char **)&p, 0); | |
7053 | if (heads < 1 || heads > 16) | |
7054 | goto chs_fail; | |
7055 | if (*p != ',') | |
7056 | goto chs_fail; | |
7057 | p++; | |
7058 | secs = strtol(p, (char **)&p, 0); | |
7059 | if (secs < 1 || secs > 63) | |
7060 | goto chs_fail; | |
7061 | if (*p == ',') { | |
7062 | p++; | |
7063 | if (!strcmp(p, "none")) | |
7064 | translation = BIOS_ATA_TRANSLATION_NONE; | |
7065 | else if (!strcmp(p, "lba")) | |
7066 | translation = BIOS_ATA_TRANSLATION_LBA; | |
7067 | else if (!strcmp(p, "auto")) | |
7068 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
7069 | else | |
7070 | goto chs_fail; | |
7071 | } else if (*p != '\0') { | |
7072 | chs_fail: | |
7073 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
7074 | exit(1); | |
7075 | } | |
7076 | } | |
7077 | break; | |
7078 | case QEMU_OPTION_nographic: | |
7079 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); | |
7080 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); | |
7081 | nographic = 1; | |
7082 | break; | |
7083 | case QEMU_OPTION_kernel: | |
7084 | kernel_filename = optarg; | |
7085 | break; | |
7086 | case QEMU_OPTION_append: | |
7087 | kernel_cmdline = optarg; | |
7088 | break; | |
7089 | case QEMU_OPTION_cdrom: | |
7090 | if (cdrom_index >= 0) { | |
7091 | hd_filename[cdrom_index] = optarg; | |
7092 | } | |
7093 | break; | |
7094 | case QEMU_OPTION_boot: | |
7095 | boot_device = optarg[0]; | |
7096 | if (boot_device != 'a' && | |
7097 | #if defined(TARGET_SPARC) || defined(TARGET_I386) | |
7098 | // Network boot | |
7099 | boot_device != 'n' && | |
7100 | #endif | |
7101 | boot_device != 'c' && boot_device != 'd') { | |
7102 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); | |
7103 | exit(1); | |
7104 | } | |
7105 | break; | |
7106 | case QEMU_OPTION_fda: | |
7107 | fd_filename[0] = optarg; | |
7108 | break; | |
7109 | case QEMU_OPTION_fdb: | |
7110 | fd_filename[1] = optarg; | |
7111 | break; | |
7112 | #ifdef TARGET_I386 | |
7113 | case QEMU_OPTION_no_fd_bootchk: | |
7114 | fd_bootchk = 0; | |
7115 | break; | |
7116 | #endif | |
7117 | case QEMU_OPTION_no_code_copy: | |
7118 | code_copy_enabled = 0; | |
7119 | break; | |
7120 | case QEMU_OPTION_net: | |
7121 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
7122 | fprintf(stderr, "qemu: too many network clients\n"); | |
7123 | exit(1); | |
7124 | } | |
7125 | pstrcpy(net_clients[nb_net_clients], | |
7126 | sizeof(net_clients[0]), | |
7127 | optarg); | |
7128 | nb_net_clients++; | |
7129 | break; | |
7130 | #ifdef CONFIG_SLIRP | |
7131 | case QEMU_OPTION_tftp: | |
7132 | tftp_prefix = optarg; | |
7133 | break; | |
7134 | case QEMU_OPTION_bootp: | |
7135 | bootp_filename = optarg; | |
7136 | break; | |
7137 | #ifndef _WIN32 | |
7138 | case QEMU_OPTION_smb: | |
7139 | net_slirp_smb(optarg); | |
7140 | break; | |
7141 | #endif | |
7142 | case QEMU_OPTION_redir: | |
7143 | net_slirp_redir(optarg); | |
7144 | break; | |
7145 | #endif | |
7146 | #ifdef HAS_AUDIO | |
7147 | case QEMU_OPTION_audio_help: | |
7148 | AUD_help (); | |
7149 | exit (0); | |
7150 | break; | |
7151 | case QEMU_OPTION_soundhw: | |
7152 | select_soundhw (optarg); | |
7153 | break; | |
7154 | #endif | |
7155 | case QEMU_OPTION_h: | |
7156 | help(); | |
7157 | break; | |
7158 | case QEMU_OPTION_m: | |
7159 | ram_size = atoi(optarg) * 1024 * 1024; | |
7160 | if (ram_size <= 0) | |
7161 | help(); | |
7162 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
7163 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
7164 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
7165 | exit(1); | |
7166 | } | |
7167 | break; | |
7168 | case QEMU_OPTION_d: | |
7169 | { | |
7170 | int mask; | |
7171 | CPULogItem *item; | |
7172 | ||
7173 | mask = cpu_str_to_log_mask(optarg); | |
7174 | if (!mask) { | |
7175 | printf("Log items (comma separated):\n"); | |
7176 | for(item = cpu_log_items; item->mask != 0; item++) { | |
7177 | printf("%-10s %s\n", item->name, item->help); | |
7178 | } | |
7179 | exit(1); | |
7180 | } | |
7181 | cpu_set_log(mask); | |
7182 | } | |
7183 | break; | |
7184 | #ifdef CONFIG_GDBSTUB | |
7185 | case QEMU_OPTION_s: | |
7186 | use_gdbstub = 1; | |
7187 | break; | |
7188 | case QEMU_OPTION_p: | |
7189 | gdbstub_port = optarg; | |
7190 | break; | |
7191 | #endif | |
7192 | case QEMU_OPTION_L: | |
7193 | bios_dir = optarg; | |
7194 | break; | |
7195 | case QEMU_OPTION_S: | |
7196 | autostart = 0; | |
7197 | break; | |
7198 | case QEMU_OPTION_k: | |
7199 | keyboard_layout = optarg; | |
7200 | break; | |
7201 | case QEMU_OPTION_localtime: | |
7202 | rtc_utc = 0; | |
7203 | break; | |
7204 | case QEMU_OPTION_cirrusvga: | |
7205 | cirrus_vga_enabled = 1; | |
7206 | break; | |
7207 | case QEMU_OPTION_std_vga: | |
7208 | cirrus_vga_enabled = 0; | |
7209 | break; | |
7210 | case QEMU_OPTION_g: | |
7211 | { | |
7212 | const char *p; | |
7213 | int w, h, depth; | |
7214 | p = optarg; | |
7215 | w = strtol(p, (char **)&p, 10); | |
7216 | if (w <= 0) { | |
7217 | graphic_error: | |
7218 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
7219 | exit(1); | |
7220 | } | |
7221 | if (*p != 'x') | |
7222 | goto graphic_error; | |
7223 | p++; | |
7224 | h = strtol(p, (char **)&p, 10); | |
7225 | if (h <= 0) | |
7226 | goto graphic_error; | |
7227 | if (*p == 'x') { | |
7228 | p++; | |
7229 | depth = strtol(p, (char **)&p, 10); | |
7230 | if (depth != 8 && depth != 15 && depth != 16 && | |
7231 | depth != 24 && depth != 32) | |
7232 | goto graphic_error; | |
7233 | } else if (*p == '\0') { | |
7234 | depth = graphic_depth; | |
7235 | } else { | |
7236 | goto graphic_error; | |
7237 | } | |
7238 | ||
7239 | graphic_width = w; | |
7240 | graphic_height = h; | |
7241 | graphic_depth = depth; | |
7242 | } | |
7243 | break; | |
7244 | case QEMU_OPTION_echr: | |
7245 | { | |
7246 | char *r; | |
7247 | term_escape_char = strtol(optarg, &r, 0); | |
7248 | if (r == optarg) | |
7249 | printf("Bad argument to echr\n"); | |
7250 | break; | |
7251 | } | |
7252 | case QEMU_OPTION_monitor: | |
7253 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
7254 | break; | |
7255 | case QEMU_OPTION_serial: | |
7256 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
7257 | fprintf(stderr, "qemu: too many serial ports\n"); | |
7258 | exit(1); | |
7259 | } | |
7260 | pstrcpy(serial_devices[serial_device_index], | |
7261 | sizeof(serial_devices[0]), optarg); | |
7262 | serial_device_index++; | |
7263 | break; | |
7264 | case QEMU_OPTION_parallel: | |
7265 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
7266 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
7267 | exit(1); | |
7268 | } | |
7269 | pstrcpy(parallel_devices[parallel_device_index], | |
7270 | sizeof(parallel_devices[0]), optarg); | |
7271 | parallel_device_index++; | |
7272 | break; | |
7273 | case QEMU_OPTION_loadvm: | |
7274 | loadvm = optarg; | |
7275 | break; | |
7276 | case QEMU_OPTION_full_screen: | |
7277 | full_screen = 1; | |
7278 | break; | |
7279 | #ifdef CONFIG_SDL | |
7280 | case QEMU_OPTION_no_frame: | |
7281 | no_frame = 1; | |
7282 | break; | |
7283 | case QEMU_OPTION_no_quit: | |
7284 | no_quit = 1; | |
7285 | break; | |
7286 | #endif | |
7287 | case QEMU_OPTION_pidfile: | |
7288 | create_pidfile(optarg); | |
7289 | break; | |
7290 | #ifdef TARGET_I386 | |
7291 | case QEMU_OPTION_win2k_hack: | |
7292 | win2k_install_hack = 1; | |
7293 | break; | |
7294 | #endif | |
7295 | #ifdef USE_KQEMU | |
7296 | case QEMU_OPTION_no_kqemu: | |
7297 | kqemu_allowed = 0; | |
7298 | break; | |
7299 | case QEMU_OPTION_kernel_kqemu: | |
7300 | kqemu_allowed = 2; | |
7301 | break; | |
7302 | #endif | |
7303 | case QEMU_OPTION_usb: | |
7304 | usb_enabled = 1; | |
7305 | break; | |
7306 | case QEMU_OPTION_usbdevice: | |
7307 | usb_enabled = 1; | |
7308 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
7309 | fprintf(stderr, "Too many USB devices\n"); | |
7310 | exit(1); | |
7311 | } | |
7312 | pstrcpy(usb_devices[usb_devices_index], | |
7313 | sizeof(usb_devices[usb_devices_index]), | |
7314 | optarg); | |
7315 | usb_devices_index++; | |
7316 | break; | |
7317 | case QEMU_OPTION_smp: | |
7318 | smp_cpus = atoi(optarg); | |
7319 | if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { | |
7320 | fprintf(stderr, "Invalid number of CPUs\n"); | |
7321 | exit(1); | |
7322 | } | |
7323 | break; | |
7324 | case QEMU_OPTION_vnc: | |
7325 | vnc_display = optarg; | |
7326 | break; | |
7327 | case QEMU_OPTION_no_acpi: | |
7328 | acpi_enabled = 0; | |
7329 | break; | |
7330 | case QEMU_OPTION_no_reboot: | |
7331 | no_reboot = 1; | |
7332 | break; | |
7333 | case QEMU_OPTION_daemonize: | |
7334 | daemonize = 1; | |
7335 | break; | |
7336 | case QEMU_OPTION_option_rom: | |
7337 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
7338 | fprintf(stderr, "Too many option ROMs\n"); | |
7339 | exit(1); | |
7340 | } | |
7341 | option_rom[nb_option_roms] = optarg; | |
7342 | nb_option_roms++; | |
7343 | break; | |
7344 | case QEMU_OPTION_semihosting: | |
7345 | semihosting_enabled = 1; | |
7346 | break; | |
7347 | case QEMU_OPTION_name: | |
7348 | qemu_name = optarg; | |
7349 | break; | |
7350 | } | |
7351 | } | |
7352 | } | |
7353 | ||
7354 | #ifndef _WIN32 | |
7355 | if (daemonize && !nographic && vnc_display == NULL) { | |
7356 | fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n"); | |
7357 | daemonize = 0; | |
7358 | } | |
7359 | ||
7360 | if (daemonize) { | |
7361 | pid_t pid; | |
7362 | ||
7363 | if (pipe(fds) == -1) | |
7364 | exit(1); | |
7365 | ||
7366 | pid = fork(); | |
7367 | if (pid > 0) { | |
7368 | uint8_t status; | |
7369 | ssize_t len; | |
7370 | ||
7371 | close(fds[1]); | |
7372 | ||
7373 | again: | |
7374 | len = read(fds[0], &status, 1); | |
7375 | if (len == -1 && (errno == EINTR)) | |
7376 | goto again; | |
7377 | ||
7378 | if (len != 1 || status != 0) | |
7379 | exit(1); | |
7380 | else | |
7381 | exit(0); | |
7382 | } else if (pid < 0) | |
7383 | exit(1); | |
7384 | ||
7385 | setsid(); | |
7386 | ||
7387 | pid = fork(); | |
7388 | if (pid > 0) | |
7389 | exit(0); | |
7390 | else if (pid < 0) | |
7391 | exit(1); | |
7392 | ||
7393 | umask(027); | |
7394 | chdir("/"); | |
7395 | ||
7396 | signal(SIGTSTP, SIG_IGN); | |
7397 | signal(SIGTTOU, SIG_IGN); | |
7398 | signal(SIGTTIN, SIG_IGN); | |
7399 | } | |
7400 | #endif | |
7401 | ||
7402 | #ifdef USE_KQEMU | |
7403 | if (smp_cpus > 1) | |
7404 | kqemu_allowed = 0; | |
7405 | #endif | |
7406 | linux_boot = (kernel_filename != NULL); | |
7407 | ||
7408 | if (!linux_boot && | |
7409 | boot_device != 'n' && | |
7410 | hd_filename[0] == '\0' && | |
7411 | (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && | |
7412 | fd_filename[0] == '\0') | |
7413 | help(); | |
7414 | ||
7415 | /* boot to floppy or the default cd if no hard disk defined yet */ | |
7416 | if (hd_filename[0] == '\0' && boot_device == 'c') { | |
7417 | if (fd_filename[0] != '\0') | |
7418 | boot_device = 'a'; | |
7419 | else | |
7420 | boot_device = 'd'; | |
7421 | } | |
7422 | ||
7423 | setvbuf(stdout, NULL, _IOLBF, 0); | |
7424 | ||
7425 | init_timers(); | |
7426 | init_timer_alarm(); | |
7427 | qemu_aio_init(); | |
7428 | ||
7429 | #ifdef _WIN32 | |
7430 | socket_init(); | |
7431 | #endif | |
7432 | ||
7433 | /* init network clients */ | |
7434 | if (nb_net_clients == 0) { | |
7435 | /* if no clients, we use a default config */ | |
7436 | pstrcpy(net_clients[0], sizeof(net_clients[0]), | |
7437 | "nic"); | |
7438 | pstrcpy(net_clients[1], sizeof(net_clients[0]), | |
7439 | "user"); | |
7440 | nb_net_clients = 2; | |
7441 | } | |
7442 | ||
7443 | for(i = 0;i < nb_net_clients; i++) { | |
7444 | if (net_client_init(net_clients[i]) < 0) | |
7445 | exit(1); | |
7446 | } | |
7447 | ||
7448 | #ifdef TARGET_I386 | |
7449 | if (boot_device == 'n') { | |
7450 | for (i = 0; i < nb_nics; i++) { | |
7451 | const char *model = nd_table[i].model; | |
7452 | char buf[1024]; | |
7453 | if (model == NULL) | |
7454 | model = "ne2k_pci"; | |
7455 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); | |
7456 | if (get_image_size(buf) > 0) { | |
7457 | option_rom[nb_option_roms] = strdup(buf); | |
7458 | nb_option_roms++; | |
7459 | break; | |
7460 | } | |
7461 | } | |
7462 | if (i == nb_nics) { | |
7463 | fprintf(stderr, "No valid PXE rom found for network device\n"); | |
7464 | exit(1); | |
7465 | } | |
7466 | boot_device = 'c'; /* to prevent confusion by the BIOS */ | |
7467 | } | |
7468 | #endif | |
7469 | ||
7470 | /* init the memory */ | |
7471 | phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE; | |
7472 | ||
7473 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
7474 | if (!phys_ram_base) { | |
7475 | fprintf(stderr, "Could not allocate physical memory\n"); | |
7476 | exit(1); | |
7477 | } | |
7478 | ||
7479 | /* we always create the cdrom drive, even if no disk is there */ | |
7480 | bdrv_init(); | |
7481 | if (cdrom_index >= 0) { | |
7482 | bs_table[cdrom_index] = bdrv_new("cdrom"); | |
7483 | bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); | |
7484 | } | |
7485 | ||
7486 | /* open the virtual block devices */ | |
7487 | for(i = 0; i < MAX_DISKS; i++) { | |
7488 | if (hd_filename[i]) { | |
7489 | if (!bs_table[i]) { | |
7490 | char buf[64]; | |
7491 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
7492 | bs_table[i] = bdrv_new(buf); | |
7493 | } | |
7494 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7495 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", | |
7496 | hd_filename[i]); | |
7497 | exit(1); | |
7498 | } | |
7499 | if (i == 0 && cyls != 0) { | |
7500 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
7501 | bdrv_set_translation_hint(bs_table[i], translation); | |
7502 | } | |
7503 | } | |
7504 | } | |
7505 | ||
7506 | /* we always create at least one floppy disk */ | |
7507 | fd_table[0] = bdrv_new("fda"); | |
7508 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
7509 | ||
7510 | for(i = 0; i < MAX_FD; i++) { | |
7511 | if (fd_filename[i]) { | |
7512 | if (!fd_table[i]) { | |
7513 | char buf[64]; | |
7514 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
7515 | fd_table[i] = bdrv_new(buf); | |
7516 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
7517 | } | |
7518 | if (fd_filename[i] != '\0') { | |
7519 | if (bdrv_open(fd_table[i], fd_filename[i], | |
7520 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7521 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", | |
7522 | fd_filename[i]); | |
7523 | exit(1); | |
7524 | } | |
7525 | } | |
7526 | } | |
7527 | } | |
7528 | ||
7529 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
7530 | register_savevm("ram", 0, 2, ram_save, ram_load, NULL); | |
7531 | ||
7532 | init_ioports(); | |
7533 | ||
7534 | /* terminal init */ | |
7535 | if (nographic) { | |
7536 | dumb_display_init(ds); | |
7537 | } else if (vnc_display != NULL) { | |
7538 | vnc_display_init(ds, vnc_display); | |
7539 | } else { | |
7540 | #if defined(CONFIG_SDL) | |
7541 | sdl_display_init(ds, full_screen, no_frame); | |
7542 | #elif defined(CONFIG_COCOA) | |
7543 | cocoa_display_init(ds, full_screen); | |
7544 | #else | |
7545 | dumb_display_init(ds); | |
7546 | #endif | |
7547 | } | |
7548 | ||
7549 | /* Maintain compatibility with multiple stdio monitors */ | |
7550 | if (!strcmp(monitor_device,"stdio")) { | |
7551 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
7552 | if (!strcmp(serial_devices[i],"mon:stdio")) { | |
7553 | monitor_device[0] = '\0'; | |
7554 | break; | |
7555 | } else if (!strcmp(serial_devices[i],"stdio")) { | |
7556 | monitor_device[0] = '\0'; | |
7557 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio"); | |
7558 | break; | |
7559 | } | |
7560 | } | |
7561 | } | |
7562 | if (monitor_device[0] != '\0') { | |
7563 | monitor_hd = qemu_chr_open(monitor_device); | |
7564 | if (!monitor_hd) { | |
7565 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
7566 | exit(1); | |
7567 | } | |
7568 | monitor_init(monitor_hd, !nographic); | |
7569 | } | |
7570 | ||
7571 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
7572 | const char *devname = serial_devices[i]; | |
7573 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
7574 | serial_hds[i] = qemu_chr_open(devname); | |
7575 | if (!serial_hds[i]) { | |
7576 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
7577 | devname); | |
7578 | exit(1); | |
7579 | } | |
7580 | if (!strcmp(devname, "vc")) | |
7581 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
7582 | } | |
7583 | } | |
7584 | ||
7585 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
7586 | const char *devname = parallel_devices[i]; | |
7587 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
7588 | parallel_hds[i] = qemu_chr_open(devname); | |
7589 | if (!parallel_hds[i]) { | |
7590 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
7591 | devname); | |
7592 | exit(1); | |
7593 | } | |
7594 | if (!strcmp(devname, "vc")) | |
7595 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
7596 | } | |
7597 | } | |
7598 | ||
7599 | machine->init(ram_size, vga_ram_size, boot_device, | |
7600 | ds, fd_filename, snapshot, | |
7601 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
7602 | ||
7603 | /* init USB devices */ | |
7604 | if (usb_enabled) { | |
7605 | for(i = 0; i < usb_devices_index; i++) { | |
7606 | if (usb_device_add(usb_devices[i]) < 0) { | |
7607 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
7608 | usb_devices[i]); | |
7609 | } | |
7610 | } | |
7611 | } | |
7612 | ||
7613 | gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); | |
7614 | qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); | |
7615 | ||
7616 | #ifdef CONFIG_GDBSTUB | |
7617 | if (use_gdbstub) { | |
7618 | /* XXX: use standard host:port notation and modify options | |
7619 | accordingly. */ | |
7620 | if (gdbserver_start(gdbstub_port) < 0) { | |
7621 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", | |
7622 | gdbstub_port); | |
7623 | exit(1); | |
7624 | } | |
7625 | } else | |
7626 | #endif | |
7627 | if (loadvm) | |
7628 | do_loadvm(loadvm); | |
7629 | ||
7630 | { | |
7631 | /* XXX: simplify init */ | |
7632 | read_passwords(); | |
7633 | if (autostart) { | |
7634 | vm_start(); | |
7635 | } | |
7636 | } | |
7637 | ||
7638 | if (daemonize) { | |
7639 | uint8_t status = 0; | |
7640 | ssize_t len; | |
7641 | int fd; | |
7642 | ||
7643 | again1: | |
7644 | len = write(fds[1], &status, 1); | |
7645 | if (len == -1 && (errno == EINTR)) | |
7646 | goto again1; | |
7647 | ||
7648 | if (len != 1) | |
7649 | exit(1); | |
7650 | ||
7651 | fd = open("/dev/null", O_RDWR); | |
7652 | if (fd == -1) | |
7653 | exit(1); | |
7654 | ||
7655 | dup2(fd, 0); | |
7656 | dup2(fd, 1); | |
7657 | dup2(fd, 2); | |
7658 | ||
7659 | close(fd); | |
7660 | } | |
7661 | ||
7662 | main_loop(); | |
7663 | quit_timers(); | |
7664 | return 0; | |
7665 | } |