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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 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
51 | #include <freebsd/stdlib.h> | |
52 | #else | |
53 | #ifndef __sun__ | |
54 | #include <linux/if.h> | |
55 | #include <linux/if_tun.h> | |
56 | #include <pty.h> | |
57 | #include <malloc.h> | |
58 | #include <linux/rtc.h> | |
59 | #include <linux/ppdev.h> | |
60 | #include <linux/parport.h> | |
61 | #else | |
62 | #include <sys/stat.h> | |
63 | #include <sys/ethernet.h> | |
64 | #include <sys/sockio.h> | |
65 | #include <arpa/inet.h> | |
66 | #include <netinet/arp.h> | |
67 | #include <netinet/in.h> | |
68 | #include <netinet/in_systm.h> | |
69 | #include <netinet/ip.h> | |
70 | #include <netinet/ip_icmp.h> // must come after ip.h | |
71 | #include <netinet/udp.h> | |
72 | #include <netinet/tcp.h> | |
73 | #include <net/if.h> | |
74 | #include <syslog.h> | |
75 | #include <stropts.h> | |
76 | #endif | |
77 | #endif | |
78 | #endif | |
79 | ||
80 | #if defined(CONFIG_SLIRP) | |
81 | #include "libslirp.h" | |
82 | #endif | |
83 | ||
84 | #ifdef _WIN32 | |
85 | #include <malloc.h> | |
86 | #include <sys/timeb.h> | |
87 | #include <windows.h> | |
88 | #define getopt_long_only getopt_long | |
89 | #define memalign(align, size) malloc(size) | |
90 | #endif | |
91 | ||
92 | #include "qemu_socket.h" | |
93 | ||
94 | #ifdef CONFIG_SDL | |
95 | #ifdef __APPLE__ | |
96 | #include <SDL/SDL.h> | |
97 | #endif | |
98 | #endif /* CONFIG_SDL */ | |
99 | ||
100 | #ifdef CONFIG_COCOA | |
101 | #undef main | |
102 | #define main qemu_main | |
103 | #endif /* CONFIG_COCOA */ | |
104 | ||
105 | #include "disas.h" | |
106 | ||
107 | #include "exec-all.h" | |
108 | ||
109 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
110 | #ifdef __sun__ | |
111 | #define SMBD_COMMAND "/usr/sfw/sbin/smbd" | |
112 | #else | |
113 | #define SMBD_COMMAND "/usr/sbin/smbd" | |
114 | #endif | |
115 | ||
116 | //#define DEBUG_UNUSED_IOPORT | |
117 | //#define DEBUG_IOPORT | |
118 | ||
119 | #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) | |
120 | ||
121 | #ifdef TARGET_PPC | |
122 | #define DEFAULT_RAM_SIZE 144 | |
123 | #else | |
124 | #define DEFAULT_RAM_SIZE 128 | |
125 | #endif | |
126 | /* in ms */ | |
127 | #define GUI_REFRESH_INTERVAL 30 | |
128 | ||
129 | /* Max number of USB devices that can be specified on the commandline. */ | |
130 | #define MAX_USB_CMDLINE 8 | |
131 | ||
132 | /* XXX: use a two level table to limit memory usage */ | |
133 | #define MAX_IOPORTS 65536 | |
134 | ||
135 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
136 | char phys_ram_file[1024]; | |
137 | void *ioport_opaque[MAX_IOPORTS]; | |
138 | IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
139 | IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
140 | /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available | |
141 | to store the VM snapshots */ | |
142 | BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD]; | |
143 | BlockDriverState *pflash_table[MAX_PFLASH]; | |
144 | BlockDriverState *sd_bdrv; | |
145 | BlockDriverState *mtd_bdrv; | |
146 | /* point to the block driver where the snapshots are managed */ | |
147 | BlockDriverState *bs_snapshots; | |
148 | int vga_ram_size; | |
149 | static DisplayState display_state; | |
150 | int nographic; | |
151 | const char* keyboard_layout = NULL; | |
152 | int64_t ticks_per_sec; | |
153 | int boot_device = 'c'; | |
154 | int ram_size; | |
155 | int pit_min_timer_count = 0; | |
156 | int nb_nics; | |
157 | NICInfo nd_table[MAX_NICS]; | |
158 | int vm_running; | |
159 | int rtc_utc = 1; | |
160 | int cirrus_vga_enabled = 1; | |
161 | int vmsvga_enabled = 0; | |
162 | #ifdef TARGET_SPARC | |
163 | int graphic_width = 1024; | |
164 | int graphic_height = 768; | |
165 | int graphic_depth = 8; | |
166 | #else | |
167 | int graphic_width = 800; | |
168 | int graphic_height = 600; | |
169 | int graphic_depth = 15; | |
170 | #endif | |
171 | int full_screen = 0; | |
172 | int no_frame = 0; | |
173 | int no_quit = 0; | |
174 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
175 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
176 | #ifdef TARGET_I386 | |
177 | int win2k_install_hack = 0; | |
178 | #endif | |
179 | int usb_enabled = 0; | |
180 | static VLANState *first_vlan; | |
181 | int smp_cpus = 1; | |
182 | const char *vnc_display; | |
183 | #if defined(TARGET_SPARC) | |
184 | #define MAX_CPUS 16 | |
185 | #elif defined(TARGET_I386) | |
186 | #define MAX_CPUS 255 | |
187 | #else | |
188 | #define MAX_CPUS 1 | |
189 | #endif | |
190 | int acpi_enabled = 1; | |
191 | int fd_bootchk = 1; | |
192 | int no_reboot = 0; | |
193 | int cursor_hide = 1; | |
194 | int graphic_rotate = 0; | |
195 | int daemonize = 0; | |
196 | const char *option_rom[MAX_OPTION_ROMS]; | |
197 | int nb_option_roms; | |
198 | int semihosting_enabled = 0; | |
199 | int autostart = 1; | |
200 | const char *qemu_name; | |
201 | int alt_grab = 0; | |
202 | #ifdef TARGET_SPARC | |
203 | unsigned int nb_prom_envs = 0; | |
204 | const char *prom_envs[MAX_PROM_ENVS]; | |
205 | #endif | |
206 | ||
207 | /***********************************************************/ | |
208 | /* x86 ISA bus support */ | |
209 | ||
210 | target_phys_addr_t isa_mem_base = 0; | |
211 | PicState2 *isa_pic; | |
212 | ||
213 | uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
214 | { | |
215 | #ifdef DEBUG_UNUSED_IOPORT | |
216 | fprintf(stderr, "unused inb: port=0x%04x\n", address); | |
217 | #endif | |
218 | return 0xff; | |
219 | } | |
220 | ||
221 | void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
222 | { | |
223 | #ifdef DEBUG_UNUSED_IOPORT | |
224 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); | |
225 | #endif | |
226 | } | |
227 | ||
228 | /* default is to make two byte accesses */ | |
229 | uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
230 | { | |
231 | uint32_t data; | |
232 | data = ioport_read_table[0][address](ioport_opaque[address], address); | |
233 | address = (address + 1) & (MAX_IOPORTS - 1); | |
234 | data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; | |
235 | return data; | |
236 | } | |
237 | ||
238 | void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
239 | { | |
240 | ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); | |
241 | address = (address + 1) & (MAX_IOPORTS - 1); | |
242 | ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); | |
243 | } | |
244 | ||
245 | uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
246 | { | |
247 | #ifdef DEBUG_UNUSED_IOPORT | |
248 | fprintf(stderr, "unused inl: port=0x%04x\n", address); | |
249 | #endif | |
250 | return 0xffffffff; | |
251 | } | |
252 | ||
253 | void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
254 | { | |
255 | #ifdef DEBUG_UNUSED_IOPORT | |
256 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); | |
257 | #endif | |
258 | } | |
259 | ||
260 | void init_ioports(void) | |
261 | { | |
262 | int i; | |
263 | ||
264 | for(i = 0; i < MAX_IOPORTS; i++) { | |
265 | ioport_read_table[0][i] = default_ioport_readb; | |
266 | ioport_write_table[0][i] = default_ioport_writeb; | |
267 | ioport_read_table[1][i] = default_ioport_readw; | |
268 | ioport_write_table[1][i] = default_ioport_writew; | |
269 | ioport_read_table[2][i] = default_ioport_readl; | |
270 | ioport_write_table[2][i] = default_ioport_writel; | |
271 | } | |
272 | } | |
273 | ||
274 | /* size is the word size in byte */ | |
275 | int register_ioport_read(int start, int length, int size, | |
276 | IOPortReadFunc *func, void *opaque) | |
277 | { | |
278 | int i, bsize; | |
279 | ||
280 | if (size == 1) { | |
281 | bsize = 0; | |
282 | } else if (size == 2) { | |
283 | bsize = 1; | |
284 | } else if (size == 4) { | |
285 | bsize = 2; | |
286 | } else { | |
287 | hw_error("register_ioport_read: invalid size"); | |
288 | return -1; | |
289 | } | |
290 | for(i = start; i < start + length; i += size) { | |
291 | ioport_read_table[bsize][i] = func; | |
292 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
293 | hw_error("register_ioport_read: invalid opaque"); | |
294 | ioport_opaque[i] = opaque; | |
295 | } | |
296 | return 0; | |
297 | } | |
298 | ||
299 | /* size is the word size in byte */ | |
300 | int register_ioport_write(int start, int length, int size, | |
301 | IOPortWriteFunc *func, void *opaque) | |
302 | { | |
303 | int i, bsize; | |
304 | ||
305 | if (size == 1) { | |
306 | bsize = 0; | |
307 | } else if (size == 2) { | |
308 | bsize = 1; | |
309 | } else if (size == 4) { | |
310 | bsize = 2; | |
311 | } else { | |
312 | hw_error("register_ioport_write: invalid size"); | |
313 | return -1; | |
314 | } | |
315 | for(i = start; i < start + length; i += size) { | |
316 | ioport_write_table[bsize][i] = func; | |
317 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
318 | hw_error("register_ioport_write: invalid opaque"); | |
319 | ioport_opaque[i] = opaque; | |
320 | } | |
321 | return 0; | |
322 | } | |
323 | ||
324 | void isa_unassign_ioport(int start, int length) | |
325 | { | |
326 | int i; | |
327 | ||
328 | for(i = start; i < start + length; i++) { | |
329 | ioport_read_table[0][i] = default_ioport_readb; | |
330 | ioport_read_table[1][i] = default_ioport_readw; | |
331 | ioport_read_table[2][i] = default_ioport_readl; | |
332 | ||
333 | ioport_write_table[0][i] = default_ioport_writeb; | |
334 | ioport_write_table[1][i] = default_ioport_writew; | |
335 | ioport_write_table[2][i] = default_ioport_writel; | |
336 | } | |
337 | } | |
338 | ||
339 | /***********************************************************/ | |
340 | ||
341 | void cpu_outb(CPUState *env, int addr, int val) | |
342 | { | |
343 | #ifdef DEBUG_IOPORT | |
344 | if (loglevel & CPU_LOG_IOPORT) | |
345 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
346 | #endif | |
347 | ioport_write_table[0][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_outw(CPUState *env, int addr, int val) | |
355 | { | |
356 | #ifdef DEBUG_IOPORT | |
357 | if (loglevel & CPU_LOG_IOPORT) | |
358 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
359 | #endif | |
360 | ioport_write_table[1][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 | void cpu_outl(CPUState *env, int addr, int val) | |
368 | { | |
369 | #ifdef DEBUG_IOPORT | |
370 | if (loglevel & CPU_LOG_IOPORT) | |
371 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
372 | #endif | |
373 | ioport_write_table[2][addr](ioport_opaque[addr], addr, val); | |
374 | #ifdef USE_KQEMU | |
375 | if (env) | |
376 | env->last_io_time = cpu_get_time_fast(); | |
377 | #endif | |
378 | } | |
379 | ||
380 | int cpu_inb(CPUState *env, int addr) | |
381 | { | |
382 | int val; | |
383 | val = ioport_read_table[0][addr](ioport_opaque[addr], addr); | |
384 | #ifdef DEBUG_IOPORT | |
385 | if (loglevel & CPU_LOG_IOPORT) | |
386 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
387 | #endif | |
388 | #ifdef USE_KQEMU | |
389 | if (env) | |
390 | env->last_io_time = cpu_get_time_fast(); | |
391 | #endif | |
392 | return val; | |
393 | } | |
394 | ||
395 | int cpu_inw(CPUState *env, int addr) | |
396 | { | |
397 | int val; | |
398 | val = ioport_read_table[1][addr](ioport_opaque[addr], addr); | |
399 | #ifdef DEBUG_IOPORT | |
400 | if (loglevel & CPU_LOG_IOPORT) | |
401 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
402 | #endif | |
403 | #ifdef USE_KQEMU | |
404 | if (env) | |
405 | env->last_io_time = cpu_get_time_fast(); | |
406 | #endif | |
407 | return val; | |
408 | } | |
409 | ||
410 | int cpu_inl(CPUState *env, int addr) | |
411 | { | |
412 | int val; | |
413 | val = ioport_read_table[2][addr](ioport_opaque[addr], addr); | |
414 | #ifdef DEBUG_IOPORT | |
415 | if (loglevel & CPU_LOG_IOPORT) | |
416 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
417 | #endif | |
418 | #ifdef USE_KQEMU | |
419 | if (env) | |
420 | env->last_io_time = cpu_get_time_fast(); | |
421 | #endif | |
422 | return val; | |
423 | } | |
424 | ||
425 | /***********************************************************/ | |
426 | void hw_error(const char *fmt, ...) | |
427 | { | |
428 | va_list ap; | |
429 | CPUState *env; | |
430 | ||
431 | va_start(ap, fmt); | |
432 | fprintf(stderr, "qemu: hardware error: "); | |
433 | vfprintf(stderr, fmt, ap); | |
434 | fprintf(stderr, "\n"); | |
435 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
436 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
437 | #ifdef TARGET_I386 | |
438 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
439 | #else | |
440 | cpu_dump_state(env, stderr, fprintf, 0); | |
441 | #endif | |
442 | } | |
443 | va_end(ap); | |
444 | abort(); | |
445 | } | |
446 | ||
447 | /***********************************************************/ | |
448 | /* keyboard/mouse */ | |
449 | ||
450 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
451 | static void *qemu_put_kbd_event_opaque; | |
452 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
453 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
454 | ||
455 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
456 | { | |
457 | qemu_put_kbd_event_opaque = opaque; | |
458 | qemu_put_kbd_event = func; | |
459 | } | |
460 | ||
461 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
462 | void *opaque, int absolute, | |
463 | const char *name) | |
464 | { | |
465 | QEMUPutMouseEntry *s, *cursor; | |
466 | ||
467 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
468 | if (!s) | |
469 | return NULL; | |
470 | ||
471 | s->qemu_put_mouse_event = func; | |
472 | s->qemu_put_mouse_event_opaque = opaque; | |
473 | s->qemu_put_mouse_event_absolute = absolute; | |
474 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
475 | s->next = NULL; | |
476 | ||
477 | if (!qemu_put_mouse_event_head) { | |
478 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
479 | return s; | |
480 | } | |
481 | ||
482 | cursor = qemu_put_mouse_event_head; | |
483 | while (cursor->next != NULL) | |
484 | cursor = cursor->next; | |
485 | ||
486 | cursor->next = s; | |
487 | qemu_put_mouse_event_current = s; | |
488 | ||
489 | return s; | |
490 | } | |
491 | ||
492 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
493 | { | |
494 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
495 | ||
496 | if (!qemu_put_mouse_event_head || entry == NULL) | |
497 | return; | |
498 | ||
499 | cursor = qemu_put_mouse_event_head; | |
500 | while (cursor != NULL && cursor != entry) { | |
501 | prev = cursor; | |
502 | cursor = cursor->next; | |
503 | } | |
504 | ||
505 | if (cursor == NULL) // does not exist or list empty | |
506 | return; | |
507 | else if (prev == NULL) { // entry is head | |
508 | qemu_put_mouse_event_head = cursor->next; | |
509 | if (qemu_put_mouse_event_current == entry) | |
510 | qemu_put_mouse_event_current = cursor->next; | |
511 | qemu_free(entry->qemu_put_mouse_event_name); | |
512 | qemu_free(entry); | |
513 | return; | |
514 | } | |
515 | ||
516 | prev->next = entry->next; | |
517 | ||
518 | if (qemu_put_mouse_event_current == entry) | |
519 | qemu_put_mouse_event_current = prev; | |
520 | ||
521 | qemu_free(entry->qemu_put_mouse_event_name); | |
522 | qemu_free(entry); | |
523 | } | |
524 | ||
525 | void kbd_put_keycode(int keycode) | |
526 | { | |
527 | if (qemu_put_kbd_event) { | |
528 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
529 | } | |
530 | } | |
531 | ||
532 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
533 | { | |
534 | QEMUPutMouseEvent *mouse_event; | |
535 | void *mouse_event_opaque; | |
536 | int width; | |
537 | ||
538 | if (!qemu_put_mouse_event_current) { | |
539 | return; | |
540 | } | |
541 | ||
542 | mouse_event = | |
543 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
544 | mouse_event_opaque = | |
545 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
546 | ||
547 | if (mouse_event) { | |
548 | if (graphic_rotate) { | |
549 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
550 | width = 0x7fff; | |
551 | else | |
552 | width = graphic_width; | |
553 | mouse_event(mouse_event_opaque, | |
554 | width - dy, dx, dz, buttons_state); | |
555 | } else | |
556 | mouse_event(mouse_event_opaque, | |
557 | dx, dy, dz, buttons_state); | |
558 | } | |
559 | } | |
560 | ||
561 | int kbd_mouse_is_absolute(void) | |
562 | { | |
563 | if (!qemu_put_mouse_event_current) | |
564 | return 0; | |
565 | ||
566 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
567 | } | |
568 | ||
569 | void do_info_mice(void) | |
570 | { | |
571 | QEMUPutMouseEntry *cursor; | |
572 | int index = 0; | |
573 | ||
574 | if (!qemu_put_mouse_event_head) { | |
575 | term_printf("No mouse devices connected\n"); | |
576 | return; | |
577 | } | |
578 | ||
579 | term_printf("Mouse devices available:\n"); | |
580 | cursor = qemu_put_mouse_event_head; | |
581 | while (cursor != NULL) { | |
582 | term_printf("%c Mouse #%d: %s\n", | |
583 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
584 | index, cursor->qemu_put_mouse_event_name); | |
585 | index++; | |
586 | cursor = cursor->next; | |
587 | } | |
588 | } | |
589 | ||
590 | void do_mouse_set(int index) | |
591 | { | |
592 | QEMUPutMouseEntry *cursor; | |
593 | int i = 0; | |
594 | ||
595 | if (!qemu_put_mouse_event_head) { | |
596 | term_printf("No mouse devices connected\n"); | |
597 | return; | |
598 | } | |
599 | ||
600 | cursor = qemu_put_mouse_event_head; | |
601 | while (cursor != NULL && index != i) { | |
602 | i++; | |
603 | cursor = cursor->next; | |
604 | } | |
605 | ||
606 | if (cursor != NULL) | |
607 | qemu_put_mouse_event_current = cursor; | |
608 | else | |
609 | term_printf("Mouse at given index not found\n"); | |
610 | } | |
611 | ||
612 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
613 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
614 | { | |
615 | union { | |
616 | uint64_t ll; | |
617 | struct { | |
618 | #ifdef WORDS_BIGENDIAN | |
619 | uint32_t high, low; | |
620 | #else | |
621 | uint32_t low, high; | |
622 | #endif | |
623 | } l; | |
624 | } u, res; | |
625 | uint64_t rl, rh; | |
626 | ||
627 | u.ll = a; | |
628 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
629 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
630 | rh += (rl >> 32); | |
631 | res.l.high = rh / c; | |
632 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
633 | return res.ll; | |
634 | } | |
635 | ||
636 | /***********************************************************/ | |
637 | /* real time host monotonic timer */ | |
638 | ||
639 | #define QEMU_TIMER_BASE 1000000000LL | |
640 | ||
641 | #ifdef WIN32 | |
642 | ||
643 | static int64_t clock_freq; | |
644 | ||
645 | static void init_get_clock(void) | |
646 | { | |
647 | LARGE_INTEGER freq; | |
648 | int ret; | |
649 | ret = QueryPerformanceFrequency(&freq); | |
650 | if (ret == 0) { | |
651 | fprintf(stderr, "Could not calibrate ticks\n"); | |
652 | exit(1); | |
653 | } | |
654 | clock_freq = freq.QuadPart; | |
655 | } | |
656 | ||
657 | static int64_t get_clock(void) | |
658 | { | |
659 | LARGE_INTEGER ti; | |
660 | QueryPerformanceCounter(&ti); | |
661 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
662 | } | |
663 | ||
664 | #else | |
665 | ||
666 | static int use_rt_clock; | |
667 | ||
668 | static void init_get_clock(void) | |
669 | { | |
670 | use_rt_clock = 0; | |
671 | #if defined(__linux__) | |
672 | { | |
673 | struct timespec ts; | |
674 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
675 | use_rt_clock = 1; | |
676 | } | |
677 | } | |
678 | #endif | |
679 | } | |
680 | ||
681 | static int64_t get_clock(void) | |
682 | { | |
683 | #if defined(__linux__) | |
684 | if (use_rt_clock) { | |
685 | struct timespec ts; | |
686 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
687 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
688 | } else | |
689 | #endif | |
690 | { | |
691 | /* XXX: using gettimeofday leads to problems if the date | |
692 | changes, so it should be avoided. */ | |
693 | struct timeval tv; | |
694 | gettimeofday(&tv, NULL); | |
695 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
696 | } | |
697 | } | |
698 | ||
699 | #endif | |
700 | ||
701 | /***********************************************************/ | |
702 | /* guest cycle counter */ | |
703 | ||
704 | static int64_t cpu_ticks_prev; | |
705 | static int64_t cpu_ticks_offset; | |
706 | static int64_t cpu_clock_offset; | |
707 | static int cpu_ticks_enabled; | |
708 | ||
709 | /* return the host CPU cycle counter and handle stop/restart */ | |
710 | int64_t cpu_get_ticks(void) | |
711 | { | |
712 | if (!cpu_ticks_enabled) { | |
713 | return cpu_ticks_offset; | |
714 | } else { | |
715 | int64_t ticks; | |
716 | ticks = cpu_get_real_ticks(); | |
717 | if (cpu_ticks_prev > ticks) { | |
718 | /* Note: non increasing ticks may happen if the host uses | |
719 | software suspend */ | |
720 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
721 | } | |
722 | cpu_ticks_prev = ticks; | |
723 | return ticks + cpu_ticks_offset; | |
724 | } | |
725 | } | |
726 | ||
727 | /* return the host CPU monotonic timer and handle stop/restart */ | |
728 | static int64_t cpu_get_clock(void) | |
729 | { | |
730 | int64_t ti; | |
731 | if (!cpu_ticks_enabled) { | |
732 | return cpu_clock_offset; | |
733 | } else { | |
734 | ti = get_clock(); | |
735 | return ti + cpu_clock_offset; | |
736 | } | |
737 | } | |
738 | ||
739 | /* enable cpu_get_ticks() */ | |
740 | void cpu_enable_ticks(void) | |
741 | { | |
742 | if (!cpu_ticks_enabled) { | |
743 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
744 | cpu_clock_offset -= get_clock(); | |
745 | cpu_ticks_enabled = 1; | |
746 | } | |
747 | } | |
748 | ||
749 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
750 | cpu_get_ticks() after that. */ | |
751 | void cpu_disable_ticks(void) | |
752 | { | |
753 | if (cpu_ticks_enabled) { | |
754 | cpu_ticks_offset = cpu_get_ticks(); | |
755 | cpu_clock_offset = cpu_get_clock(); | |
756 | cpu_ticks_enabled = 0; | |
757 | } | |
758 | } | |
759 | ||
760 | /***********************************************************/ | |
761 | /* timers */ | |
762 | ||
763 | #define QEMU_TIMER_REALTIME 0 | |
764 | #define QEMU_TIMER_VIRTUAL 1 | |
765 | ||
766 | struct QEMUClock { | |
767 | int type; | |
768 | /* XXX: add frequency */ | |
769 | }; | |
770 | ||
771 | struct QEMUTimer { | |
772 | QEMUClock *clock; | |
773 | int64_t expire_time; | |
774 | QEMUTimerCB *cb; | |
775 | void *opaque; | |
776 | struct QEMUTimer *next; | |
777 | }; | |
778 | ||
779 | QEMUClock *rt_clock; | |
780 | QEMUClock *vm_clock; | |
781 | ||
782 | static QEMUTimer *active_timers[2]; | |
783 | #ifdef _WIN32 | |
784 | static MMRESULT timerID; | |
785 | static HANDLE host_alarm = NULL; | |
786 | static unsigned int period = 1; | |
787 | #else | |
788 | /* frequency of the times() clock tick */ | |
789 | static int timer_freq; | |
790 | #endif | |
791 | ||
792 | QEMUClock *qemu_new_clock(int type) | |
793 | { | |
794 | QEMUClock *clock; | |
795 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
796 | if (!clock) | |
797 | return NULL; | |
798 | clock->type = type; | |
799 | return clock; | |
800 | } | |
801 | ||
802 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
803 | { | |
804 | QEMUTimer *ts; | |
805 | ||
806 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
807 | ts->clock = clock; | |
808 | ts->cb = cb; | |
809 | ts->opaque = opaque; | |
810 | return ts; | |
811 | } | |
812 | ||
813 | void qemu_free_timer(QEMUTimer *ts) | |
814 | { | |
815 | qemu_free(ts); | |
816 | } | |
817 | ||
818 | /* stop a timer, but do not dealloc it */ | |
819 | void qemu_del_timer(QEMUTimer *ts) | |
820 | { | |
821 | QEMUTimer **pt, *t; | |
822 | ||
823 | /* NOTE: this code must be signal safe because | |
824 | qemu_timer_expired() can be called from a signal. */ | |
825 | pt = &active_timers[ts->clock->type]; | |
826 | for(;;) { | |
827 | t = *pt; | |
828 | if (!t) | |
829 | break; | |
830 | if (t == ts) { | |
831 | *pt = t->next; | |
832 | break; | |
833 | } | |
834 | pt = &t->next; | |
835 | } | |
836 | } | |
837 | ||
838 | /* modify the current timer so that it will be fired when current_time | |
839 | >= expire_time. The corresponding callback will be called. */ | |
840 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
841 | { | |
842 | QEMUTimer **pt, *t; | |
843 | ||
844 | qemu_del_timer(ts); | |
845 | ||
846 | /* add the timer in the sorted list */ | |
847 | /* NOTE: this code must be signal safe because | |
848 | qemu_timer_expired() can be called from a signal. */ | |
849 | pt = &active_timers[ts->clock->type]; | |
850 | for(;;) { | |
851 | t = *pt; | |
852 | if (!t) | |
853 | break; | |
854 | if (t->expire_time > expire_time) | |
855 | break; | |
856 | pt = &t->next; | |
857 | } | |
858 | ts->expire_time = expire_time; | |
859 | ts->next = *pt; | |
860 | *pt = ts; | |
861 | } | |
862 | ||
863 | int qemu_timer_pending(QEMUTimer *ts) | |
864 | { | |
865 | QEMUTimer *t; | |
866 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
867 | if (t == ts) | |
868 | return 1; | |
869 | } | |
870 | return 0; | |
871 | } | |
872 | ||
873 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
874 | { | |
875 | if (!timer_head) | |
876 | return 0; | |
877 | return (timer_head->expire_time <= current_time); | |
878 | } | |
879 | ||
880 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
881 | { | |
882 | QEMUTimer *ts; | |
883 | ||
884 | for(;;) { | |
885 | ts = *ptimer_head; | |
886 | if (!ts || ts->expire_time > current_time) | |
887 | break; | |
888 | /* remove timer from the list before calling the callback */ | |
889 | *ptimer_head = ts->next; | |
890 | ts->next = NULL; | |
891 | ||
892 | /* run the callback (the timer list can be modified) */ | |
893 | ts->cb(ts->opaque); | |
894 | } | |
895 | } | |
896 | ||
897 | int64_t qemu_get_clock(QEMUClock *clock) | |
898 | { | |
899 | switch(clock->type) { | |
900 | case QEMU_TIMER_REALTIME: | |
901 | return get_clock() / 1000000; | |
902 | default: | |
903 | case QEMU_TIMER_VIRTUAL: | |
904 | return cpu_get_clock(); | |
905 | } | |
906 | } | |
907 | ||
908 | static void init_timers(void) | |
909 | { | |
910 | init_get_clock(); | |
911 | ticks_per_sec = QEMU_TIMER_BASE; | |
912 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
913 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
914 | } | |
915 | ||
916 | /* save a timer */ | |
917 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
918 | { | |
919 | uint64_t expire_time; | |
920 | ||
921 | if (qemu_timer_pending(ts)) { | |
922 | expire_time = ts->expire_time; | |
923 | } else { | |
924 | expire_time = -1; | |
925 | } | |
926 | qemu_put_be64(f, expire_time); | |
927 | } | |
928 | ||
929 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
930 | { | |
931 | uint64_t expire_time; | |
932 | ||
933 | expire_time = qemu_get_be64(f); | |
934 | if (expire_time != -1) { | |
935 | qemu_mod_timer(ts, expire_time); | |
936 | } else { | |
937 | qemu_del_timer(ts); | |
938 | } | |
939 | } | |
940 | ||
941 | static void timer_save(QEMUFile *f, void *opaque) | |
942 | { | |
943 | if (cpu_ticks_enabled) { | |
944 | hw_error("cannot save state if virtual timers are running"); | |
945 | } | |
946 | qemu_put_be64s(f, &cpu_ticks_offset); | |
947 | qemu_put_be64s(f, &ticks_per_sec); | |
948 | qemu_put_be64s(f, &cpu_clock_offset); | |
949 | } | |
950 | ||
951 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
952 | { | |
953 | if (version_id != 1 && version_id != 2) | |
954 | return -EINVAL; | |
955 | if (cpu_ticks_enabled) { | |
956 | return -EINVAL; | |
957 | } | |
958 | qemu_get_be64s(f, &cpu_ticks_offset); | |
959 | qemu_get_be64s(f, &ticks_per_sec); | |
960 | if (version_id == 2) { | |
961 | qemu_get_be64s(f, &cpu_clock_offset); | |
962 | } | |
963 | return 0; | |
964 | } | |
965 | ||
966 | #ifdef _WIN32 | |
967 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
968 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
969 | #else | |
970 | static void host_alarm_handler(int host_signum) | |
971 | #endif | |
972 | { | |
973 | #if 0 | |
974 | #define DISP_FREQ 1000 | |
975 | { | |
976 | static int64_t delta_min = INT64_MAX; | |
977 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
978 | static int count; | |
979 | ti = qemu_get_clock(vm_clock); | |
980 | if (last_clock != 0) { | |
981 | delta = ti - last_clock; | |
982 | if (delta < delta_min) | |
983 | delta_min = delta; | |
984 | if (delta > delta_max) | |
985 | delta_max = delta; | |
986 | delta_cum += delta; | |
987 | if (++count == DISP_FREQ) { | |
988 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
989 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
990 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
991 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
992 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
993 | count = 0; | |
994 | delta_min = INT64_MAX; | |
995 | delta_max = 0; | |
996 | delta_cum = 0; | |
997 | } | |
998 | } | |
999 | last_clock = ti; | |
1000 | } | |
1001 | #endif | |
1002 | if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
1003 | qemu_get_clock(vm_clock)) || | |
1004 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
1005 | qemu_get_clock(rt_clock))) { | |
1006 | #ifdef _WIN32 | |
1007 | SetEvent(host_alarm); | |
1008 | #endif | |
1009 | CPUState *env = cpu_single_env; | |
1010 | if (env) { | |
1011 | /* stop the currently executing cpu because a timer occured */ | |
1012 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
1013 | #ifdef USE_KQEMU | |
1014 | if (env->kqemu_enabled) { | |
1015 | kqemu_cpu_interrupt(env); | |
1016 | } | |
1017 | #endif | |
1018 | } | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | #ifndef _WIN32 | |
1023 | ||
1024 | #if defined(__linux__) | |
1025 | ||
1026 | #define RTC_FREQ 1024 | |
1027 | ||
1028 | static int rtc_fd; | |
1029 | ||
1030 | static int start_rtc_timer(void) | |
1031 | { | |
1032 | rtc_fd = open("/dev/rtc", O_RDONLY); | |
1033 | if (rtc_fd < 0) | |
1034 | return -1; | |
1035 | if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1036 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1037 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1038 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1039 | goto fail; | |
1040 | } | |
1041 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1042 | fail: | |
1043 | close(rtc_fd); | |
1044 | return -1; | |
1045 | } | |
1046 | pit_min_timer_count = PIT_FREQ / RTC_FREQ; | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | #else | |
1051 | ||
1052 | static int start_rtc_timer(void) | |
1053 | { | |
1054 | return -1; | |
1055 | } | |
1056 | ||
1057 | #endif /* !defined(__linux__) */ | |
1058 | ||
1059 | #endif /* !defined(_WIN32) */ | |
1060 | ||
1061 | static void init_timer_alarm(void) | |
1062 | { | |
1063 | #ifdef _WIN32 | |
1064 | { | |
1065 | int count=0; | |
1066 | TIMECAPS tc; | |
1067 | ||
1068 | ZeroMemory(&tc, sizeof(TIMECAPS)); | |
1069 | timeGetDevCaps(&tc, sizeof(TIMECAPS)); | |
1070 | if (period < tc.wPeriodMin) | |
1071 | period = tc.wPeriodMin; | |
1072 | timeBeginPeriod(period); | |
1073 | timerID = timeSetEvent(1, // interval (ms) | |
1074 | period, // resolution | |
1075 | host_alarm_handler, // function | |
1076 | (DWORD)&count, // user parameter | |
1077 | TIME_PERIODIC | TIME_CALLBACK_FUNCTION); | |
1078 | if( !timerID ) { | |
1079 | perror("failed timer alarm"); | |
1080 | exit(1); | |
1081 | } | |
1082 | host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1083 | if (!host_alarm) { | |
1084 | perror("failed CreateEvent"); | |
1085 | exit(1); | |
1086 | } | |
1087 | qemu_add_wait_object(host_alarm, NULL, NULL); | |
1088 | } | |
1089 | pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; | |
1090 | #else | |
1091 | { | |
1092 | struct sigaction act; | |
1093 | struct itimerval itv; | |
1094 | ||
1095 | /* get times() syscall frequency */ | |
1096 | timer_freq = sysconf(_SC_CLK_TCK); | |
1097 | ||
1098 | /* timer signal */ | |
1099 | sigfillset(&act.sa_mask); | |
1100 | act.sa_flags = 0; | |
1101 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
1102 | act.sa_flags |= SA_ONSTACK; | |
1103 | #endif | |
1104 | act.sa_handler = host_alarm_handler; | |
1105 | sigaction(SIGALRM, &act, NULL); | |
1106 | ||
1107 | itv.it_interval.tv_sec = 0; | |
1108 | itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ | |
1109 | itv.it_value.tv_sec = 0; | |
1110 | itv.it_value.tv_usec = 10 * 1000; | |
1111 | setitimer(ITIMER_REAL, &itv, NULL); | |
1112 | /* we probe the tick duration of the kernel to inform the user if | |
1113 | the emulated kernel requested a too high timer frequency */ | |
1114 | getitimer(ITIMER_REAL, &itv); | |
1115 | ||
1116 | #if defined(__linux__) | |
1117 | /* XXX: force /dev/rtc usage because even 2.6 kernels may not | |
1118 | have timers with 1 ms resolution. The correct solution will | |
1119 | be to use the POSIX real time timers available in recent | |
1120 | 2.6 kernels */ | |
1121 | if (itv.it_interval.tv_usec > 1000 || 1) { | |
1122 | /* try to use /dev/rtc to have a faster timer */ | |
1123 | if (start_rtc_timer() < 0) | |
1124 | goto use_itimer; | |
1125 | /* disable itimer */ | |
1126 | itv.it_interval.tv_sec = 0; | |
1127 | itv.it_interval.tv_usec = 0; | |
1128 | itv.it_value.tv_sec = 0; | |
1129 | itv.it_value.tv_usec = 0; | |
1130 | setitimer(ITIMER_REAL, &itv, NULL); | |
1131 | ||
1132 | /* use the RTC */ | |
1133 | sigaction(SIGIO, &act, NULL); | |
1134 | fcntl(rtc_fd, F_SETFL, O_ASYNC); | |
1135 | fcntl(rtc_fd, F_SETOWN, getpid()); | |
1136 | } else | |
1137 | #endif /* defined(__linux__) */ | |
1138 | { | |
1139 | use_itimer: | |
1140 | pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * | |
1141 | PIT_FREQ) / 1000000; | |
1142 | } | |
1143 | } | |
1144 | #endif | |
1145 | } | |
1146 | ||
1147 | void quit_timers(void) | |
1148 | { | |
1149 | #ifdef _WIN32 | |
1150 | timeKillEvent(timerID); | |
1151 | timeEndPeriod(period); | |
1152 | if (host_alarm) { | |
1153 | CloseHandle(host_alarm); | |
1154 | host_alarm = NULL; | |
1155 | } | |
1156 | #endif | |
1157 | } | |
1158 | ||
1159 | /***********************************************************/ | |
1160 | /* character device */ | |
1161 | ||
1162 | static void qemu_chr_event(CharDriverState *s, int event) | |
1163 | { | |
1164 | if (!s->chr_event) | |
1165 | return; | |
1166 | s->chr_event(s->handler_opaque, event); | |
1167 | } | |
1168 | ||
1169 | static void qemu_chr_reset_bh(void *opaque) | |
1170 | { | |
1171 | CharDriverState *s = opaque; | |
1172 | qemu_chr_event(s, CHR_EVENT_RESET); | |
1173 | qemu_bh_delete(s->bh); | |
1174 | s->bh = NULL; | |
1175 | } | |
1176 | ||
1177 | void qemu_chr_reset(CharDriverState *s) | |
1178 | { | |
1179 | if (s->bh == NULL) { | |
1180 | s->bh = qemu_bh_new(qemu_chr_reset_bh, s); | |
1181 | qemu_bh_schedule(s->bh); | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) | |
1186 | { | |
1187 | return s->chr_write(s, buf, len); | |
1188 | } | |
1189 | ||
1190 | int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) | |
1191 | { | |
1192 | if (!s->chr_ioctl) | |
1193 | return -ENOTSUP; | |
1194 | return s->chr_ioctl(s, cmd, arg); | |
1195 | } | |
1196 | ||
1197 | int qemu_chr_can_read(CharDriverState *s) | |
1198 | { | |
1199 | if (!s->chr_can_read) | |
1200 | return 0; | |
1201 | return s->chr_can_read(s->handler_opaque); | |
1202 | } | |
1203 | ||
1204 | void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) | |
1205 | { | |
1206 | s->chr_read(s->handler_opaque, buf, len); | |
1207 | } | |
1208 | ||
1209 | ||
1210 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) | |
1211 | { | |
1212 | char buf[4096]; | |
1213 | va_list ap; | |
1214 | va_start(ap, fmt); | |
1215 | vsnprintf(buf, sizeof(buf), fmt, ap); | |
1216 | qemu_chr_write(s, buf, strlen(buf)); | |
1217 | va_end(ap); | |
1218 | } | |
1219 | ||
1220 | void qemu_chr_send_event(CharDriverState *s, int event) | |
1221 | { | |
1222 | if (s->chr_send_event) | |
1223 | s->chr_send_event(s, event); | |
1224 | } | |
1225 | ||
1226 | void qemu_chr_add_handlers(CharDriverState *s, | |
1227 | IOCanRWHandler *fd_can_read, | |
1228 | IOReadHandler *fd_read, | |
1229 | IOEventHandler *fd_event, | |
1230 | void *opaque) | |
1231 | { | |
1232 | s->chr_can_read = fd_can_read; | |
1233 | s->chr_read = fd_read; | |
1234 | s->chr_event = fd_event; | |
1235 | s->handler_opaque = opaque; | |
1236 | if (s->chr_update_read_handler) | |
1237 | s->chr_update_read_handler(s); | |
1238 | } | |
1239 | ||
1240 | static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1241 | { | |
1242 | return len; | |
1243 | } | |
1244 | ||
1245 | static CharDriverState *qemu_chr_open_null(void) | |
1246 | { | |
1247 | CharDriverState *chr; | |
1248 | ||
1249 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1250 | if (!chr) | |
1251 | return NULL; | |
1252 | chr->chr_write = null_chr_write; | |
1253 | return chr; | |
1254 | } | |
1255 | ||
1256 | /* MUX driver for serial I/O splitting */ | |
1257 | static int term_timestamps; | |
1258 | static int64_t term_timestamps_start; | |
1259 | #define MAX_MUX 4 | |
1260 | typedef struct { | |
1261 | IOCanRWHandler *chr_can_read[MAX_MUX]; | |
1262 | IOReadHandler *chr_read[MAX_MUX]; | |
1263 | IOEventHandler *chr_event[MAX_MUX]; | |
1264 | void *ext_opaque[MAX_MUX]; | |
1265 | CharDriverState *drv; | |
1266 | int mux_cnt; | |
1267 | int term_got_escape; | |
1268 | int max_size; | |
1269 | } MuxDriver; | |
1270 | ||
1271 | ||
1272 | static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1273 | { | |
1274 | MuxDriver *d = chr->opaque; | |
1275 | int ret; | |
1276 | if (!term_timestamps) { | |
1277 | ret = d->drv->chr_write(d->drv, buf, len); | |
1278 | } else { | |
1279 | int i; | |
1280 | ||
1281 | ret = 0; | |
1282 | for(i = 0; i < len; i++) { | |
1283 | ret += d->drv->chr_write(d->drv, buf+i, 1); | |
1284 | if (buf[i] == '\n') { | |
1285 | char buf1[64]; | |
1286 | int64_t ti; | |
1287 | int secs; | |
1288 | ||
1289 | ti = get_clock(); | |
1290 | if (term_timestamps_start == -1) | |
1291 | term_timestamps_start = ti; | |
1292 | ti -= term_timestamps_start; | |
1293 | secs = ti / 1000000000; | |
1294 | snprintf(buf1, sizeof(buf1), | |
1295 | "[%02d:%02d:%02d.%03d] ", | |
1296 | secs / 3600, | |
1297 | (secs / 60) % 60, | |
1298 | secs % 60, | |
1299 | (int)((ti / 1000000) % 1000)); | |
1300 | d->drv->chr_write(d->drv, buf1, strlen(buf1)); | |
1301 | } | |
1302 | } | |
1303 | } | |
1304 | return ret; | |
1305 | } | |
1306 | ||
1307 | static char *mux_help[] = { | |
1308 | "% h print this help\n\r", | |
1309 | "% x exit emulator\n\r", | |
1310 | "% s save disk data back to file (if -snapshot)\n\r", | |
1311 | "% t toggle console timestamps\n\r" | |
1312 | "% b send break (magic sysrq)\n\r", | |
1313 | "% c switch between console and monitor\n\r", | |
1314 | "% % sends %\n\r", | |
1315 | NULL | |
1316 | }; | |
1317 | ||
1318 | static int term_escape_char = 0x01; /* ctrl-a is used for escape */ | |
1319 | static void mux_print_help(CharDriverState *chr) | |
1320 | { | |
1321 | int i, j; | |
1322 | char ebuf[15] = "Escape-Char"; | |
1323 | char cbuf[50] = "\n\r"; | |
1324 | ||
1325 | if (term_escape_char > 0 && term_escape_char < 26) { | |
1326 | sprintf(cbuf,"\n\r"); | |
1327 | sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a'); | |
1328 | } else { | |
1329 | sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char); | |
1330 | } | |
1331 | chr->chr_write(chr, cbuf, strlen(cbuf)); | |
1332 | for (i = 0; mux_help[i] != NULL; i++) { | |
1333 | for (j=0; mux_help[i][j] != '\0'; j++) { | |
1334 | if (mux_help[i][j] == '%') | |
1335 | chr->chr_write(chr, ebuf, strlen(ebuf)); | |
1336 | else | |
1337 | chr->chr_write(chr, &mux_help[i][j], 1); | |
1338 | } | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) | |
1343 | { | |
1344 | if (d->term_got_escape) { | |
1345 | d->term_got_escape = 0; | |
1346 | if (ch == term_escape_char) | |
1347 | goto send_char; | |
1348 | switch(ch) { | |
1349 | case '?': | |
1350 | case 'h': | |
1351 | mux_print_help(chr); | |
1352 | break; | |
1353 | case 'x': | |
1354 | { | |
1355 | char *term = "QEMU: Terminated\n\r"; | |
1356 | chr->chr_write(chr,term,strlen(term)); | |
1357 | exit(0); | |
1358 | break; | |
1359 | } | |
1360 | case 's': | |
1361 | { | |
1362 | int i; | |
1363 | for (i = 0; i < MAX_DISKS; i++) { | |
1364 | if (bs_table[i]) | |
1365 | bdrv_commit(bs_table[i]); | |
1366 | } | |
1367 | if (mtd_bdrv) | |
1368 | bdrv_commit(mtd_bdrv); | |
1369 | } | |
1370 | break; | |
1371 | case 'b': | |
1372 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
1373 | break; | |
1374 | case 'c': | |
1375 | /* Switch to the next registered device */ | |
1376 | chr->focus++; | |
1377 | if (chr->focus >= d->mux_cnt) | |
1378 | chr->focus = 0; | |
1379 | break; | |
1380 | case 't': | |
1381 | term_timestamps = !term_timestamps; | |
1382 | term_timestamps_start = -1; | |
1383 | break; | |
1384 | } | |
1385 | } else if (ch == term_escape_char) { | |
1386 | d->term_got_escape = 1; | |
1387 | } else { | |
1388 | send_char: | |
1389 | return 1; | |
1390 | } | |
1391 | return 0; | |
1392 | } | |
1393 | ||
1394 | static int mux_chr_can_read(void *opaque) | |
1395 | { | |
1396 | CharDriverState *chr = opaque; | |
1397 | MuxDriver *d = chr->opaque; | |
1398 | if (d->chr_can_read[chr->focus]) | |
1399 | return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static void mux_chr_read(void *opaque, const uint8_t *buf, int size) | |
1404 | { | |
1405 | CharDriverState *chr = opaque; | |
1406 | MuxDriver *d = chr->opaque; | |
1407 | int i; | |
1408 | for(i = 0; i < size; i++) | |
1409 | if (mux_proc_byte(chr, d, buf[i])) | |
1410 | d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1); | |
1411 | } | |
1412 | ||
1413 | static void mux_chr_event(void *opaque, int event) | |
1414 | { | |
1415 | CharDriverState *chr = opaque; | |
1416 | MuxDriver *d = chr->opaque; | |
1417 | int i; | |
1418 | ||
1419 | /* Send the event to all registered listeners */ | |
1420 | for (i = 0; i < d->mux_cnt; i++) | |
1421 | if (d->chr_event[i]) | |
1422 | d->chr_event[i](d->ext_opaque[i], event); | |
1423 | } | |
1424 | ||
1425 | static void mux_chr_update_read_handler(CharDriverState *chr) | |
1426 | { | |
1427 | MuxDriver *d = chr->opaque; | |
1428 | ||
1429 | if (d->mux_cnt >= MAX_MUX) { | |
1430 | fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); | |
1431 | return; | |
1432 | } | |
1433 | d->ext_opaque[d->mux_cnt] = chr->handler_opaque; | |
1434 | d->chr_can_read[d->mux_cnt] = chr->chr_can_read; | |
1435 | d->chr_read[d->mux_cnt] = chr->chr_read; | |
1436 | d->chr_event[d->mux_cnt] = chr->chr_event; | |
1437 | /* Fix up the real driver with mux routines */ | |
1438 | if (d->mux_cnt == 0) { | |
1439 | qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, | |
1440 | mux_chr_event, chr); | |
1441 | } | |
1442 | chr->focus = d->mux_cnt; | |
1443 | d->mux_cnt++; | |
1444 | } | |
1445 | ||
1446 | CharDriverState *qemu_chr_open_mux(CharDriverState *drv) | |
1447 | { | |
1448 | CharDriverState *chr; | |
1449 | MuxDriver *d; | |
1450 | ||
1451 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1452 | if (!chr) | |
1453 | return NULL; | |
1454 | d = qemu_mallocz(sizeof(MuxDriver)); | |
1455 | if (!d) { | |
1456 | free(chr); | |
1457 | return NULL; | |
1458 | } | |
1459 | ||
1460 | chr->opaque = d; | |
1461 | d->drv = drv; | |
1462 | chr->focus = -1; | |
1463 | chr->chr_write = mux_chr_write; | |
1464 | chr->chr_update_read_handler = mux_chr_update_read_handler; | |
1465 | return chr; | |
1466 | } | |
1467 | ||
1468 | ||
1469 | #ifdef _WIN32 | |
1470 | ||
1471 | static void socket_cleanup(void) | |
1472 | { | |
1473 | WSACleanup(); | |
1474 | } | |
1475 | ||
1476 | static int socket_init(void) | |
1477 | { | |
1478 | WSADATA Data; | |
1479 | int ret, err; | |
1480 | ||
1481 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1482 | if (ret != 0) { | |
1483 | err = WSAGetLastError(); | |
1484 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1485 | return -1; | |
1486 | } | |
1487 | atexit(socket_cleanup); | |
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | static int send_all(int fd, const uint8_t *buf, int len1) | |
1492 | { | |
1493 | int ret, len; | |
1494 | ||
1495 | len = len1; | |
1496 | while (len > 0) { | |
1497 | ret = send(fd, buf, len, 0); | |
1498 | if (ret < 0) { | |
1499 | int errno; | |
1500 | errno = WSAGetLastError(); | |
1501 | if (errno != WSAEWOULDBLOCK) { | |
1502 | return -1; | |
1503 | } | |
1504 | } else if (ret == 0) { | |
1505 | break; | |
1506 | } else { | |
1507 | buf += ret; | |
1508 | len -= ret; | |
1509 | } | |
1510 | } | |
1511 | return len1 - len; | |
1512 | } | |
1513 | ||
1514 | void socket_set_nonblock(int fd) | |
1515 | { | |
1516 | unsigned long opt = 1; | |
1517 | ioctlsocket(fd, FIONBIO, &opt); | |
1518 | } | |
1519 | ||
1520 | #else | |
1521 | ||
1522 | static int unix_write(int fd, const uint8_t *buf, int len1) | |
1523 | { | |
1524 | int ret, len; | |
1525 | ||
1526 | len = len1; | |
1527 | while (len > 0) { | |
1528 | ret = write(fd, buf, len); | |
1529 | if (ret < 0) { | |
1530 | if (errno != EINTR && errno != EAGAIN) | |
1531 | return -1; | |
1532 | } else if (ret == 0) { | |
1533 | break; | |
1534 | } else { | |
1535 | buf += ret; | |
1536 | len -= ret; | |
1537 | } | |
1538 | } | |
1539 | return len1 - len; | |
1540 | } | |
1541 | ||
1542 | static inline int send_all(int fd, const uint8_t *buf, int len1) | |
1543 | { | |
1544 | return unix_write(fd, buf, len1); | |
1545 | } | |
1546 | ||
1547 | void socket_set_nonblock(int fd) | |
1548 | { | |
1549 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1550 | } | |
1551 | #endif /* !_WIN32 */ | |
1552 | ||
1553 | #ifndef _WIN32 | |
1554 | ||
1555 | typedef struct { | |
1556 | int fd_in, fd_out; | |
1557 | int max_size; | |
1558 | } FDCharDriver; | |
1559 | ||
1560 | #define STDIO_MAX_CLIENTS 1 | |
1561 | static int stdio_nb_clients = 0; | |
1562 | ||
1563 | static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
1564 | { | |
1565 | FDCharDriver *s = chr->opaque; | |
1566 | return unix_write(s->fd_out, buf, len); | |
1567 | } | |
1568 | ||
1569 | static int fd_chr_read_poll(void *opaque) | |
1570 | { | |
1571 | CharDriverState *chr = opaque; | |
1572 | FDCharDriver *s = chr->opaque; | |
1573 | ||
1574 | s->max_size = qemu_chr_can_read(chr); | |
1575 | return s->max_size; | |
1576 | } | |
1577 | ||
1578 | static void fd_chr_read(void *opaque) | |
1579 | { | |
1580 | CharDriverState *chr = opaque; | |
1581 | FDCharDriver *s = chr->opaque; | |
1582 | int size, len; | |
1583 | uint8_t buf[1024]; | |
1584 | ||
1585 | len = sizeof(buf); | |
1586 | if (len > s->max_size) | |
1587 | len = s->max_size; | |
1588 | if (len == 0) | |
1589 | return; | |
1590 | size = read(s->fd_in, buf, len); | |
1591 | if (size == 0) { | |
1592 | /* FD has been closed. Remove it from the active list. */ | |
1593 | qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); | |
1594 | return; | |
1595 | } | |
1596 | if (size > 0) { | |
1597 | qemu_chr_read(chr, buf, size); | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | static void fd_chr_update_read_handler(CharDriverState *chr) | |
1602 | { | |
1603 | FDCharDriver *s = chr->opaque; | |
1604 | ||
1605 | if (s->fd_in >= 0) { | |
1606 | if (nographic && s->fd_in == 0) { | |
1607 | } else { | |
1608 | qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, | |
1609 | fd_chr_read, NULL, chr); | |
1610 | } | |
1611 | } | |
1612 | } | |
1613 | ||
1614 | /* open a character device to a unix fd */ | |
1615 | static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) | |
1616 | { | |
1617 | CharDriverState *chr; | |
1618 | FDCharDriver *s; | |
1619 | ||
1620 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
1621 | if (!chr) | |
1622 | return NULL; | |
1623 | s = qemu_mallocz(sizeof(FDCharDriver)); | |
1624 | if (!s) { | |
1625 | free(chr); | |
1626 | return NULL; | |
1627 | } | |
1628 | s->fd_in = fd_in; | |
1629 | s->fd_out = fd_out; | |
1630 | chr->opaque = s; | |
1631 | chr->chr_write = fd_chr_write; | |
1632 | chr->chr_update_read_handler = fd_chr_update_read_handler; | |
1633 | ||
1634 | qemu_chr_reset(chr); | |
1635 | ||
1636 | return chr; | |
1637 | } | |
1638 | ||
1639 | static CharDriverState *qemu_chr_open_file_out(const char *file_out) | |
1640 | { | |
1641 | int fd_out; | |
1642 | ||
1643 | fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666); | |
1644 | if (fd_out < 0) | |
1645 | return NULL; | |
1646 | return qemu_chr_open_fd(-1, fd_out); | |
1647 | } | |
1648 | ||
1649 | static CharDriverState *qemu_chr_open_pipe(const char *filename) | |
1650 | { | |
1651 | int fd_in, fd_out; | |
1652 | char filename_in[256], filename_out[256]; | |
1653 | ||
1654 | snprintf(filename_in, 256, "%s.in", filename); | |
1655 | snprintf(filename_out, 256, "%s.out", filename); | |
1656 | fd_in = open(filename_in, O_RDWR | O_BINARY); | |
1657 | fd_out = open(filename_out, O_RDWR | O_BINARY); | |
1658 | if (fd_in < 0 || fd_out < 0) { | |
1659 | if (fd_in >= 0) | |
1660 | close(fd_in); | |
1661 | if (fd_out >= 0) | |
1662 | close(fd_out); | |
1663 | fd_in = fd_out = open(filename, O_RDWR | O_BINARY); | |
1664 | if (fd_in < 0) | |
1665 | return NULL; | |
1666 | } | |
1667 | return qemu_chr_open_fd(fd_in, fd_out); | |
1668 | } | |
1669 | ||
1670 | ||
1671 | /* for STDIO, we handle the case where several clients use it | |
1672 | (nographic mode) */ | |
1673 | ||
1674 | #define TERM_FIFO_MAX_SIZE 1 | |
1675 | ||
1676 | static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; | |
1677 | static int term_fifo_size; | |
1678 | ||
1679 | static int stdio_read_poll(void *opaque) | |
1680 | { | |
1681 | CharDriverState *chr = opaque; | |
1682 | ||
1683 | /* try to flush the queue if needed */ | |
1684 | if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { | |
1685 | qemu_chr_read(chr, term_fifo, 1); | |
1686 | term_fifo_size = 0; | |
1687 | } | |
1688 | /* see if we can absorb more chars */ | |
1689 | if (term_fifo_size == 0) | |
1690 | return 1; | |
1691 | else | |
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | static void stdio_read(void *opaque) | |
1696 | { | |
1697 | int size; | |
1698 | uint8_t buf[1]; | |
1699 | CharDriverState *chr = opaque; | |
1700 | ||
1701 | size = read(0, buf, 1); | |
1702 | if (size == 0) { | |
1703 | /* stdin has been closed. Remove it from the active list. */ | |
1704 | qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); | |
1705 | return; | |
1706 | } | |
1707 | if (size > 0) { | |
1708 | if (qemu_chr_can_read(chr) > 0) { | |
1709 | qemu_chr_read(chr, buf, 1); | |
1710 | } else if (term_fifo_size == 0) { | |
1711 | term_fifo[term_fifo_size++] = buf[0]; | |
1712 | } | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | /* init terminal so that we can grab keys */ | |
1717 | static struct termios oldtty; | |
1718 | static int old_fd0_flags; | |
1719 | ||
1720 | static void term_exit(void) | |
1721 | { | |
1722 | tcsetattr (0, TCSANOW, &oldtty); | |
1723 | fcntl(0, F_SETFL, old_fd0_flags); | |
1724 | } | |
1725 | ||
1726 | static void term_init(void) | |
1727 | { | |
1728 | struct termios tty; | |
1729 | ||
1730 | tcgetattr (0, &tty); | |
1731 | oldtty = tty; | |
1732 | old_fd0_flags = fcntl(0, F_GETFL); | |
1733 | ||
1734 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1735 | |INLCR|IGNCR|ICRNL|IXON); | |
1736 | tty.c_oflag |= OPOST; | |
1737 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
1738 | /* if graphical mode, we allow Ctrl-C handling */ | |
1739 | if (nographic) | |
1740 | tty.c_lflag &= ~ISIG; | |
1741 | tty.c_cflag &= ~(CSIZE|PARENB); | |
1742 | tty.c_cflag |= CS8; | |
1743 | tty.c_cc[VMIN] = 1; | |
1744 | tty.c_cc[VTIME] = 0; | |
1745 | ||
1746 | tcsetattr (0, TCSANOW, &tty); | |
1747 | ||
1748 | atexit(term_exit); | |
1749 | ||
1750 | fcntl(0, F_SETFL, O_NONBLOCK); | |
1751 | } | |
1752 | ||
1753 | static CharDriverState *qemu_chr_open_stdio(void) | |
1754 | { | |
1755 | CharDriverState *chr; | |
1756 | ||
1757 | if (stdio_nb_clients >= STDIO_MAX_CLIENTS) | |
1758 | return NULL; | |
1759 | chr = qemu_chr_open_fd(0, 1); | |
1760 | qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); | |
1761 | stdio_nb_clients++; | |
1762 | term_init(); | |
1763 | ||
1764 | return chr; | |
1765 | } | |
1766 | ||
1767 | #if defined(__linux__) || defined(__sun__) | |
1768 | static CharDriverState *qemu_chr_open_pty(void) | |
1769 | { | |
1770 | struct termios tty; | |
1771 | char slave_name[1024]; | |
1772 | int master_fd, slave_fd; | |
1773 | ||
1774 | #if defined(__linux__) | |
1775 | /* Not satisfying */ | |
1776 | if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { | |
1777 | return NULL; | |
1778 | } | |
1779 | #endif | |
1780 | ||
1781 | /* Disabling local echo and line-buffered output */ | |
1782 | tcgetattr (master_fd, &tty); | |
1783 | tty.c_lflag &= ~(ECHO|ICANON|ISIG); | |
1784 | tty.c_cc[VMIN] = 1; | |
1785 | tty.c_cc[VTIME] = 0; | |
1786 | tcsetattr (master_fd, TCSAFLUSH, &tty); | |
1787 | ||
1788 | fprintf(stderr, "char device redirected to %s\n", slave_name); | |
1789 | return qemu_chr_open_fd(master_fd, master_fd); | |
1790 | } | |
1791 | ||
1792 | static void tty_serial_init(int fd, int speed, | |
1793 | int parity, int data_bits, int stop_bits) | |
1794 | { | |
1795 | struct termios tty; | |
1796 | speed_t spd; | |
1797 | ||
1798 | #if 0 | |
1799 | printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", | |
1800 | speed, parity, data_bits, stop_bits); | |
1801 | #endif | |
1802 | tcgetattr (fd, &tty); | |
1803 | ||
1804 | switch(speed) { | |
1805 | case 50: | |
1806 | spd = B50; | |
1807 | break; | |
1808 | case 75: | |
1809 | spd = B75; | |
1810 | break; | |
1811 | case 300: | |
1812 | spd = B300; | |
1813 | break; | |
1814 | case 600: | |
1815 | spd = B600; | |
1816 | break; | |
1817 | case 1200: | |
1818 | spd = B1200; | |
1819 | break; | |
1820 | case 2400: | |
1821 | spd = B2400; | |
1822 | break; | |
1823 | case 4800: | |
1824 | spd = B4800; | |
1825 | break; | |
1826 | case 9600: | |
1827 | spd = B9600; | |
1828 | break; | |
1829 | case 19200: | |
1830 | spd = B19200; | |
1831 | break; | |
1832 | case 38400: | |
1833 | spd = B38400; | |
1834 | break; | |
1835 | case 57600: | |
1836 | spd = B57600; | |
1837 | break; | |
1838 | default: | |
1839 | case 115200: | |
1840 | spd = B115200; | |
1841 | break; | |
1842 | } | |
1843 | ||
1844 | cfsetispeed(&tty, spd); | |
1845 | cfsetospeed(&tty, spd); | |
1846 | ||
1847 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
1848 | |INLCR|IGNCR|ICRNL|IXON); | |
1849 | tty.c_oflag |= OPOST; | |
1850 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); | |
1851 | tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); | |
1852 | switch(data_bits) { | |
1853 | default: | |
1854 | case 8: | |
1855 | tty.c_cflag |= CS8; | |
1856 | break; | |
1857 | case 7: | |
1858 | tty.c_cflag |= CS7; | |
1859 | break; | |
1860 | case 6: | |
1861 | tty.c_cflag |= CS6; | |
1862 | break; | |
1863 | case 5: | |
1864 | tty.c_cflag |= CS5; | |
1865 | break; | |
1866 | } | |
1867 | switch(parity) { | |
1868 | default: | |
1869 | case 'N': | |
1870 | break; | |
1871 | case 'E': | |
1872 | tty.c_cflag |= PARENB; | |
1873 | break; | |
1874 | case 'O': | |
1875 | tty.c_cflag |= PARENB | PARODD; | |
1876 | break; | |
1877 | } | |
1878 | if (stop_bits == 2) | |
1879 | tty.c_cflag |= CSTOPB; | |
1880 | ||
1881 | tcsetattr (fd, TCSANOW, &tty); | |
1882 | } | |
1883 | ||
1884 | static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1885 | { | |
1886 | FDCharDriver *s = chr->opaque; | |
1887 | ||
1888 | switch(cmd) { | |
1889 | case CHR_IOCTL_SERIAL_SET_PARAMS: | |
1890 | { | |
1891 | QEMUSerialSetParams *ssp = arg; | |
1892 | tty_serial_init(s->fd_in, ssp->speed, ssp->parity, | |
1893 | ssp->data_bits, ssp->stop_bits); | |
1894 | } | |
1895 | break; | |
1896 | case CHR_IOCTL_SERIAL_SET_BREAK: | |
1897 | { | |
1898 | int enable = *(int *)arg; | |
1899 | if (enable) | |
1900 | tcsendbreak(s->fd_in, 1); | |
1901 | } | |
1902 | break; | |
1903 | default: | |
1904 | return -ENOTSUP; | |
1905 | } | |
1906 | return 0; | |
1907 | } | |
1908 | ||
1909 | static CharDriverState *qemu_chr_open_tty(const char *filename) | |
1910 | { | |
1911 | CharDriverState *chr; | |
1912 | int fd; | |
1913 | ||
1914 | fd = open(filename, O_RDWR | O_NONBLOCK); | |
1915 | if (fd < 0) | |
1916 | return NULL; | |
1917 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
1918 | tty_serial_init(fd, 115200, 'N', 8, 1); | |
1919 | chr = qemu_chr_open_fd(fd, fd); | |
1920 | if (!chr) | |
1921 | return NULL; | |
1922 | chr->chr_ioctl = tty_serial_ioctl; | |
1923 | qemu_chr_reset(chr); | |
1924 | return chr; | |
1925 | } | |
1926 | #else /* ! __linux__ && ! __sun__ */ | |
1927 | static CharDriverState *qemu_chr_open_pty(void) | |
1928 | { | |
1929 | return NULL; | |
1930 | } | |
1931 | #endif /* __linux__ || __sun__ */ | |
1932 | ||
1933 | #if defined(__linux__) | |
1934 | typedef struct { | |
1935 | int fd; | |
1936 | int mode; | |
1937 | } ParallelCharDriver; | |
1938 | ||
1939 | static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) | |
1940 | { | |
1941 | if (s->mode != mode) { | |
1942 | int m = mode; | |
1943 | if (ioctl(s->fd, PPSETMODE, &m) < 0) | |
1944 | return 0; | |
1945 | s->mode = mode; | |
1946 | } | |
1947 | return 1; | |
1948 | } | |
1949 | ||
1950 | static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) | |
1951 | { | |
1952 | ParallelCharDriver *drv = chr->opaque; | |
1953 | int fd = drv->fd; | |
1954 | uint8_t b; | |
1955 | ||
1956 | switch(cmd) { | |
1957 | case CHR_IOCTL_PP_READ_DATA: | |
1958 | if (ioctl(fd, PPRDATA, &b) < 0) | |
1959 | return -ENOTSUP; | |
1960 | *(uint8_t *)arg = b; | |
1961 | break; | |
1962 | case CHR_IOCTL_PP_WRITE_DATA: | |
1963 | b = *(uint8_t *)arg; | |
1964 | if (ioctl(fd, PPWDATA, &b) < 0) | |
1965 | return -ENOTSUP; | |
1966 | break; | |
1967 | case CHR_IOCTL_PP_READ_CONTROL: | |
1968 | if (ioctl(fd, PPRCONTROL, &b) < 0) | |
1969 | return -ENOTSUP; | |
1970 | /* Linux gives only the lowest bits, and no way to know data | |
1971 | direction! For better compatibility set the fixed upper | |
1972 | bits. */ | |
1973 | *(uint8_t *)arg = b | 0xc0; | |
1974 | break; | |
1975 | case CHR_IOCTL_PP_WRITE_CONTROL: | |
1976 | b = *(uint8_t *)arg; | |
1977 | if (ioctl(fd, PPWCONTROL, &b) < 0) | |
1978 | return -ENOTSUP; | |
1979 | break; | |
1980 | case CHR_IOCTL_PP_READ_STATUS: | |
1981 | if (ioctl(fd, PPRSTATUS, &b) < 0) | |
1982 | return -ENOTSUP; | |
1983 | *(uint8_t *)arg = b; | |
1984 | break; | |
1985 | case CHR_IOCTL_PP_EPP_READ_ADDR: | |
1986 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
1987 | struct ParallelIOArg *parg = arg; | |
1988 | int n = read(fd, parg->buffer, parg->count); | |
1989 | if (n != parg->count) { | |
1990 | return -EIO; | |
1991 | } | |
1992 | } | |
1993 | break; | |
1994 | case CHR_IOCTL_PP_EPP_READ: | |
1995 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
1996 | struct ParallelIOArg *parg = arg; | |
1997 | int n = read(fd, parg->buffer, parg->count); | |
1998 | if (n != parg->count) { | |
1999 | return -EIO; | |
2000 | } | |
2001 | } | |
2002 | break; | |
2003 | case CHR_IOCTL_PP_EPP_WRITE_ADDR: | |
2004 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { | |
2005 | struct ParallelIOArg *parg = arg; | |
2006 | int n = write(fd, parg->buffer, parg->count); | |
2007 | if (n != parg->count) { | |
2008 | return -EIO; | |
2009 | } | |
2010 | } | |
2011 | break; | |
2012 | case CHR_IOCTL_PP_EPP_WRITE: | |
2013 | if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { | |
2014 | struct ParallelIOArg *parg = arg; | |
2015 | int n = write(fd, parg->buffer, parg->count); | |
2016 | if (n != parg->count) { | |
2017 | return -EIO; | |
2018 | } | |
2019 | } | |
2020 | break; | |
2021 | default: | |
2022 | return -ENOTSUP; | |
2023 | } | |
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | static void pp_close(CharDriverState *chr) | |
2028 | { | |
2029 | ParallelCharDriver *drv = chr->opaque; | |
2030 | int fd = drv->fd; | |
2031 | ||
2032 | pp_hw_mode(drv, IEEE1284_MODE_COMPAT); | |
2033 | ioctl(fd, PPRELEASE); | |
2034 | close(fd); | |
2035 | qemu_free(drv); | |
2036 | } | |
2037 | ||
2038 | static CharDriverState *qemu_chr_open_pp(const char *filename) | |
2039 | { | |
2040 | CharDriverState *chr; | |
2041 | ParallelCharDriver *drv; | |
2042 | int fd; | |
2043 | ||
2044 | fd = open(filename, O_RDWR); | |
2045 | if (fd < 0) | |
2046 | return NULL; | |
2047 | ||
2048 | if (ioctl(fd, PPCLAIM) < 0) { | |
2049 | close(fd); | |
2050 | return NULL; | |
2051 | } | |
2052 | ||
2053 | drv = qemu_mallocz(sizeof(ParallelCharDriver)); | |
2054 | if (!drv) { | |
2055 | close(fd); | |
2056 | return NULL; | |
2057 | } | |
2058 | drv->fd = fd; | |
2059 | drv->mode = IEEE1284_MODE_COMPAT; | |
2060 | ||
2061 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2062 | if (!chr) { | |
2063 | qemu_free(drv); | |
2064 | close(fd); | |
2065 | return NULL; | |
2066 | } | |
2067 | chr->chr_write = null_chr_write; | |
2068 | chr->chr_ioctl = pp_ioctl; | |
2069 | chr->chr_close = pp_close; | |
2070 | chr->opaque = drv; | |
2071 | ||
2072 | qemu_chr_reset(chr); | |
2073 | ||
2074 | return chr; | |
2075 | } | |
2076 | #endif /* __linux__ */ | |
2077 | ||
2078 | #else /* _WIN32 */ | |
2079 | ||
2080 | typedef struct { | |
2081 | int max_size; | |
2082 | HANDLE hcom, hrecv, hsend; | |
2083 | OVERLAPPED orecv, osend; | |
2084 | BOOL fpipe; | |
2085 | DWORD len; | |
2086 | } WinCharState; | |
2087 | ||
2088 | #define NSENDBUF 2048 | |
2089 | #define NRECVBUF 2048 | |
2090 | #define MAXCONNECT 1 | |
2091 | #define NTIMEOUT 5000 | |
2092 | ||
2093 | static int win_chr_poll(void *opaque); | |
2094 | static int win_chr_pipe_poll(void *opaque); | |
2095 | ||
2096 | static void win_chr_close(CharDriverState *chr) | |
2097 | { | |
2098 | WinCharState *s = chr->opaque; | |
2099 | ||
2100 | if (s->hsend) { | |
2101 | CloseHandle(s->hsend); | |
2102 | s->hsend = NULL; | |
2103 | } | |
2104 | if (s->hrecv) { | |
2105 | CloseHandle(s->hrecv); | |
2106 | s->hrecv = NULL; | |
2107 | } | |
2108 | if (s->hcom) { | |
2109 | CloseHandle(s->hcom); | |
2110 | s->hcom = NULL; | |
2111 | } | |
2112 | if (s->fpipe) | |
2113 | qemu_del_polling_cb(win_chr_pipe_poll, chr); | |
2114 | else | |
2115 | qemu_del_polling_cb(win_chr_poll, chr); | |
2116 | } | |
2117 | ||
2118 | static int win_chr_init(CharDriverState *chr, const char *filename) | |
2119 | { | |
2120 | WinCharState *s = chr->opaque; | |
2121 | COMMCONFIG comcfg; | |
2122 | COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; | |
2123 | COMSTAT comstat; | |
2124 | DWORD size; | |
2125 | DWORD err; | |
2126 | ||
2127 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2128 | if (!s->hsend) { | |
2129 | fprintf(stderr, "Failed CreateEvent\n"); | |
2130 | goto fail; | |
2131 | } | |
2132 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2133 | if (!s->hrecv) { | |
2134 | fprintf(stderr, "Failed CreateEvent\n"); | |
2135 | goto fail; | |
2136 | } | |
2137 | ||
2138 | s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, | |
2139 | OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); | |
2140 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2141 | fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); | |
2142 | s->hcom = NULL; | |
2143 | goto fail; | |
2144 | } | |
2145 | ||
2146 | if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { | |
2147 | fprintf(stderr, "Failed SetupComm\n"); | |
2148 | goto fail; | |
2149 | } | |
2150 | ||
2151 | ZeroMemory(&comcfg, sizeof(COMMCONFIG)); | |
2152 | size = sizeof(COMMCONFIG); | |
2153 | GetDefaultCommConfig(filename, &comcfg, &size); | |
2154 | comcfg.dcb.DCBlength = sizeof(DCB); | |
2155 | CommConfigDialog(filename, NULL, &comcfg); | |
2156 | ||
2157 | if (!SetCommState(s->hcom, &comcfg.dcb)) { | |
2158 | fprintf(stderr, "Failed SetCommState\n"); | |
2159 | goto fail; | |
2160 | } | |
2161 | ||
2162 | if (!SetCommMask(s->hcom, EV_ERR)) { | |
2163 | fprintf(stderr, "Failed SetCommMask\n"); | |
2164 | goto fail; | |
2165 | } | |
2166 | ||
2167 | cto.ReadIntervalTimeout = MAXDWORD; | |
2168 | if (!SetCommTimeouts(s->hcom, &cto)) { | |
2169 | fprintf(stderr, "Failed SetCommTimeouts\n"); | |
2170 | goto fail; | |
2171 | } | |
2172 | ||
2173 | if (!ClearCommError(s->hcom, &err, &comstat)) { | |
2174 | fprintf(stderr, "Failed ClearCommError\n"); | |
2175 | goto fail; | |
2176 | } | |
2177 | qemu_add_polling_cb(win_chr_poll, chr); | |
2178 | return 0; | |
2179 | ||
2180 | fail: | |
2181 | win_chr_close(chr); | |
2182 | return -1; | |
2183 | } | |
2184 | ||
2185 | static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) | |
2186 | { | |
2187 | WinCharState *s = chr->opaque; | |
2188 | DWORD len, ret, size, err; | |
2189 | ||
2190 | len = len1; | |
2191 | ZeroMemory(&s->osend, sizeof(s->osend)); | |
2192 | s->osend.hEvent = s->hsend; | |
2193 | while (len > 0) { | |
2194 | if (s->hsend) | |
2195 | ret = WriteFile(s->hcom, buf, len, &size, &s->osend); | |
2196 | else | |
2197 | ret = WriteFile(s->hcom, buf, len, &size, NULL); | |
2198 | if (!ret) { | |
2199 | err = GetLastError(); | |
2200 | if (err == ERROR_IO_PENDING) { | |
2201 | ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); | |
2202 | if (ret) { | |
2203 | buf += size; | |
2204 | len -= size; | |
2205 | } else { | |
2206 | break; | |
2207 | } | |
2208 | } else { | |
2209 | break; | |
2210 | } | |
2211 | } else { | |
2212 | buf += size; | |
2213 | len -= size; | |
2214 | } | |
2215 | } | |
2216 | return len1 - len; | |
2217 | } | |
2218 | ||
2219 | static int win_chr_read_poll(CharDriverState *chr) | |
2220 | { | |
2221 | WinCharState *s = chr->opaque; | |
2222 | ||
2223 | s->max_size = qemu_chr_can_read(chr); | |
2224 | return s->max_size; | |
2225 | } | |
2226 | ||
2227 | static void win_chr_readfile(CharDriverState *chr) | |
2228 | { | |
2229 | WinCharState *s = chr->opaque; | |
2230 | int ret, err; | |
2231 | uint8_t buf[1024]; | |
2232 | DWORD size; | |
2233 | ||
2234 | ZeroMemory(&s->orecv, sizeof(s->orecv)); | |
2235 | s->orecv.hEvent = s->hrecv; | |
2236 | ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); | |
2237 | if (!ret) { | |
2238 | err = GetLastError(); | |
2239 | if (err == ERROR_IO_PENDING) { | |
2240 | ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); | |
2241 | } | |
2242 | } | |
2243 | ||
2244 | if (size > 0) { | |
2245 | qemu_chr_read(chr, buf, size); | |
2246 | } | |
2247 | } | |
2248 | ||
2249 | static void win_chr_read(CharDriverState *chr) | |
2250 | { | |
2251 | WinCharState *s = chr->opaque; | |
2252 | ||
2253 | if (s->len > s->max_size) | |
2254 | s->len = s->max_size; | |
2255 | if (s->len == 0) | |
2256 | return; | |
2257 | ||
2258 | win_chr_readfile(chr); | |
2259 | } | |
2260 | ||
2261 | static int win_chr_poll(void *opaque) | |
2262 | { | |
2263 | CharDriverState *chr = opaque; | |
2264 | WinCharState *s = chr->opaque; | |
2265 | COMSTAT status; | |
2266 | DWORD comerr; | |
2267 | ||
2268 | ClearCommError(s->hcom, &comerr, &status); | |
2269 | if (status.cbInQue > 0) { | |
2270 | s->len = status.cbInQue; | |
2271 | win_chr_read_poll(chr); | |
2272 | win_chr_read(chr); | |
2273 | return 1; | |
2274 | } | |
2275 | return 0; | |
2276 | } | |
2277 | ||
2278 | static CharDriverState *qemu_chr_open_win(const char *filename) | |
2279 | { | |
2280 | CharDriverState *chr; | |
2281 | WinCharState *s; | |
2282 | ||
2283 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2284 | if (!chr) | |
2285 | return NULL; | |
2286 | s = qemu_mallocz(sizeof(WinCharState)); | |
2287 | if (!s) { | |
2288 | free(chr); | |
2289 | return NULL; | |
2290 | } | |
2291 | chr->opaque = s; | |
2292 | chr->chr_write = win_chr_write; | |
2293 | chr->chr_close = win_chr_close; | |
2294 | ||
2295 | if (win_chr_init(chr, filename) < 0) { | |
2296 | free(s); | |
2297 | free(chr); | |
2298 | return NULL; | |
2299 | } | |
2300 | qemu_chr_reset(chr); | |
2301 | return chr; | |
2302 | } | |
2303 | ||
2304 | static int win_chr_pipe_poll(void *opaque) | |
2305 | { | |
2306 | CharDriverState *chr = opaque; | |
2307 | WinCharState *s = chr->opaque; | |
2308 | DWORD size; | |
2309 | ||
2310 | PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); | |
2311 | if (size > 0) { | |
2312 | s->len = size; | |
2313 | win_chr_read_poll(chr); | |
2314 | win_chr_read(chr); | |
2315 | return 1; | |
2316 | } | |
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | static int win_chr_pipe_init(CharDriverState *chr, const char *filename) | |
2321 | { | |
2322 | WinCharState *s = chr->opaque; | |
2323 | OVERLAPPED ov; | |
2324 | int ret; | |
2325 | DWORD size; | |
2326 | char openname[256]; | |
2327 | ||
2328 | s->fpipe = TRUE; | |
2329 | ||
2330 | s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2331 | if (!s->hsend) { | |
2332 | fprintf(stderr, "Failed CreateEvent\n"); | |
2333 | goto fail; | |
2334 | } | |
2335 | s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2336 | if (!s->hrecv) { | |
2337 | fprintf(stderr, "Failed CreateEvent\n"); | |
2338 | goto fail; | |
2339 | } | |
2340 | ||
2341 | snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); | |
2342 | s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, | |
2343 | PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | | |
2344 | PIPE_WAIT, | |
2345 | MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); | |
2346 | if (s->hcom == INVALID_HANDLE_VALUE) { | |
2347 | fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); | |
2348 | s->hcom = NULL; | |
2349 | goto fail; | |
2350 | } | |
2351 | ||
2352 | ZeroMemory(&ov, sizeof(ov)); | |
2353 | ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); | |
2354 | ret = ConnectNamedPipe(s->hcom, &ov); | |
2355 | if (ret) { | |
2356 | fprintf(stderr, "Failed ConnectNamedPipe\n"); | |
2357 | goto fail; | |
2358 | } | |
2359 | ||
2360 | ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); | |
2361 | if (!ret) { | |
2362 | fprintf(stderr, "Failed GetOverlappedResult\n"); | |
2363 | if (ov.hEvent) { | |
2364 | CloseHandle(ov.hEvent); | |
2365 | ov.hEvent = NULL; | |
2366 | } | |
2367 | goto fail; | |
2368 | } | |
2369 | ||
2370 | if (ov.hEvent) { | |
2371 | CloseHandle(ov.hEvent); | |
2372 | ov.hEvent = NULL; | |
2373 | } | |
2374 | qemu_add_polling_cb(win_chr_pipe_poll, chr); | |
2375 | return 0; | |
2376 | ||
2377 | fail: | |
2378 | win_chr_close(chr); | |
2379 | return -1; | |
2380 | } | |
2381 | ||
2382 | ||
2383 | static CharDriverState *qemu_chr_open_win_pipe(const char *filename) | |
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 | chr->opaque = s; | |
2397 | chr->chr_write = win_chr_write; | |
2398 | chr->chr_close = win_chr_close; | |
2399 | ||
2400 | if (win_chr_pipe_init(chr, filename) < 0) { | |
2401 | free(s); | |
2402 | free(chr); | |
2403 | return NULL; | |
2404 | } | |
2405 | qemu_chr_reset(chr); | |
2406 | return chr; | |
2407 | } | |
2408 | ||
2409 | static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) | |
2410 | { | |
2411 | CharDriverState *chr; | |
2412 | WinCharState *s; | |
2413 | ||
2414 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2415 | if (!chr) | |
2416 | return NULL; | |
2417 | s = qemu_mallocz(sizeof(WinCharState)); | |
2418 | if (!s) { | |
2419 | free(chr); | |
2420 | return NULL; | |
2421 | } | |
2422 | s->hcom = fd_out; | |
2423 | chr->opaque = s; | |
2424 | chr->chr_write = win_chr_write; | |
2425 | qemu_chr_reset(chr); | |
2426 | return chr; | |
2427 | } | |
2428 | ||
2429 | static CharDriverState *qemu_chr_open_win_con(const char *filename) | |
2430 | { | |
2431 | return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); | |
2432 | } | |
2433 | ||
2434 | static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) | |
2435 | { | |
2436 | HANDLE fd_out; | |
2437 | ||
2438 | fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, | |
2439 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | |
2440 | if (fd_out == INVALID_HANDLE_VALUE) | |
2441 | return NULL; | |
2442 | ||
2443 | return qemu_chr_open_win_file(fd_out); | |
2444 | } | |
2445 | #endif /* !_WIN32 */ | |
2446 | ||
2447 | /***********************************************************/ | |
2448 | /* UDP Net console */ | |
2449 | ||
2450 | typedef struct { | |
2451 | int fd; | |
2452 | struct sockaddr_in daddr; | |
2453 | char buf[1024]; | |
2454 | int bufcnt; | |
2455 | int bufptr; | |
2456 | int max_size; | |
2457 | } NetCharDriver; | |
2458 | ||
2459 | static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2460 | { | |
2461 | NetCharDriver *s = chr->opaque; | |
2462 | ||
2463 | return sendto(s->fd, buf, len, 0, | |
2464 | (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in)); | |
2465 | } | |
2466 | ||
2467 | static int udp_chr_read_poll(void *opaque) | |
2468 | { | |
2469 | CharDriverState *chr = opaque; | |
2470 | NetCharDriver *s = chr->opaque; | |
2471 | ||
2472 | s->max_size = qemu_chr_can_read(chr); | |
2473 | ||
2474 | /* If there were any stray characters in the queue process them | |
2475 | * first | |
2476 | */ | |
2477 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2478 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
2479 | s->bufptr++; | |
2480 | s->max_size = qemu_chr_can_read(chr); | |
2481 | } | |
2482 | return s->max_size; | |
2483 | } | |
2484 | ||
2485 | static void udp_chr_read(void *opaque) | |
2486 | { | |
2487 | CharDriverState *chr = opaque; | |
2488 | NetCharDriver *s = chr->opaque; | |
2489 | ||
2490 | if (s->max_size == 0) | |
2491 | return; | |
2492 | s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
2493 | s->bufptr = s->bufcnt; | |
2494 | if (s->bufcnt <= 0) | |
2495 | return; | |
2496 | ||
2497 | s->bufptr = 0; | |
2498 | while (s->max_size > 0 && s->bufptr < s->bufcnt) { | |
2499 | qemu_chr_read(chr, &s->buf[s->bufptr], 1); | |
2500 | s->bufptr++; | |
2501 | s->max_size = qemu_chr_can_read(chr); | |
2502 | } | |
2503 | } | |
2504 | ||
2505 | static void udp_chr_update_read_handler(CharDriverState *chr) | |
2506 | { | |
2507 | NetCharDriver *s = chr->opaque; | |
2508 | ||
2509 | if (s->fd >= 0) { | |
2510 | qemu_set_fd_handler2(s->fd, udp_chr_read_poll, | |
2511 | udp_chr_read, NULL, chr); | |
2512 | } | |
2513 | } | |
2514 | ||
2515 | int parse_host_port(struct sockaddr_in *saddr, const char *str); | |
2516 | #ifndef _WIN32 | |
2517 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str); | |
2518 | #endif | |
2519 | int parse_host_src_port(struct sockaddr_in *haddr, | |
2520 | struct sockaddr_in *saddr, | |
2521 | const char *str); | |
2522 | ||
2523 | static CharDriverState *qemu_chr_open_udp(const char *def) | |
2524 | { | |
2525 | CharDriverState *chr = NULL; | |
2526 | NetCharDriver *s = NULL; | |
2527 | int fd = -1; | |
2528 | struct sockaddr_in saddr; | |
2529 | ||
2530 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2531 | if (!chr) | |
2532 | goto return_err; | |
2533 | s = qemu_mallocz(sizeof(NetCharDriver)); | |
2534 | if (!s) | |
2535 | goto return_err; | |
2536 | ||
2537 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
2538 | if (fd < 0) { | |
2539 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
2540 | goto return_err; | |
2541 | } | |
2542 | ||
2543 | if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { | |
2544 | printf("Could not parse: %s\n", def); | |
2545 | goto return_err; | |
2546 | } | |
2547 | ||
2548 | if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) | |
2549 | { | |
2550 | perror("bind"); | |
2551 | goto return_err; | |
2552 | } | |
2553 | ||
2554 | s->fd = fd; | |
2555 | s->bufcnt = 0; | |
2556 | s->bufptr = 0; | |
2557 | chr->opaque = s; | |
2558 | chr->chr_write = udp_chr_write; | |
2559 | chr->chr_update_read_handler = udp_chr_update_read_handler; | |
2560 | return chr; | |
2561 | ||
2562 | return_err: | |
2563 | if (chr) | |
2564 | free(chr); | |
2565 | if (s) | |
2566 | free(s); | |
2567 | if (fd >= 0) | |
2568 | closesocket(fd); | |
2569 | return NULL; | |
2570 | } | |
2571 | ||
2572 | /***********************************************************/ | |
2573 | /* TCP Net console */ | |
2574 | ||
2575 | typedef struct { | |
2576 | int fd, listen_fd; | |
2577 | int connected; | |
2578 | int max_size; | |
2579 | int do_telnetopt; | |
2580 | int do_nodelay; | |
2581 | int is_unix; | |
2582 | } TCPCharDriver; | |
2583 | ||
2584 | static void tcp_chr_accept(void *opaque); | |
2585 | ||
2586 | static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) | |
2587 | { | |
2588 | TCPCharDriver *s = chr->opaque; | |
2589 | if (s->connected) { | |
2590 | return send_all(s->fd, buf, len); | |
2591 | } else { | |
2592 | /* XXX: indicate an error ? */ | |
2593 | return len; | |
2594 | } | |
2595 | } | |
2596 | ||
2597 | static int tcp_chr_read_poll(void *opaque) | |
2598 | { | |
2599 | CharDriverState *chr = opaque; | |
2600 | TCPCharDriver *s = chr->opaque; | |
2601 | if (!s->connected) | |
2602 | return 0; | |
2603 | s->max_size = qemu_chr_can_read(chr); | |
2604 | return s->max_size; | |
2605 | } | |
2606 | ||
2607 | #define IAC 255 | |
2608 | #define IAC_BREAK 243 | |
2609 | static void tcp_chr_process_IAC_bytes(CharDriverState *chr, | |
2610 | TCPCharDriver *s, | |
2611 | char *buf, int *size) | |
2612 | { | |
2613 | /* Handle any telnet client's basic IAC options to satisfy char by | |
2614 | * char mode with no echo. All IAC options will be removed from | |
2615 | * the buf and the do_telnetopt variable will be used to track the | |
2616 | * state of the width of the IAC information. | |
2617 | * | |
2618 | * IAC commands come in sets of 3 bytes with the exception of the | |
2619 | * "IAC BREAK" command and the double IAC. | |
2620 | */ | |
2621 | ||
2622 | int i; | |
2623 | int j = 0; | |
2624 | ||
2625 | for (i = 0; i < *size; i++) { | |
2626 | if (s->do_telnetopt > 1) { | |
2627 | if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { | |
2628 | /* Double IAC means send an IAC */ | |
2629 | if (j != i) | |
2630 | buf[j] = buf[i]; | |
2631 | j++; | |
2632 | s->do_telnetopt = 1; | |
2633 | } else { | |
2634 | if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { | |
2635 | /* Handle IAC break commands by sending a serial break */ | |
2636 | qemu_chr_event(chr, CHR_EVENT_BREAK); | |
2637 | s->do_telnetopt++; | |
2638 | } | |
2639 | s->do_telnetopt++; | |
2640 | } | |
2641 | if (s->do_telnetopt >= 4) { | |
2642 | s->do_telnetopt = 1; | |
2643 | } | |
2644 | } else { | |
2645 | if ((unsigned char)buf[i] == IAC) { | |
2646 | s->do_telnetopt = 2; | |
2647 | } else { | |
2648 | if (j != i) | |
2649 | buf[j] = buf[i]; | |
2650 | j++; | |
2651 | } | |
2652 | } | |
2653 | } | |
2654 | *size = j; | |
2655 | } | |
2656 | ||
2657 | static void tcp_chr_read(void *opaque) | |
2658 | { | |
2659 | CharDriverState *chr = opaque; | |
2660 | TCPCharDriver *s = chr->opaque; | |
2661 | uint8_t buf[1024]; | |
2662 | int len, size; | |
2663 | ||
2664 | if (!s->connected || s->max_size <= 0) | |
2665 | return; | |
2666 | len = sizeof(buf); | |
2667 | if (len > s->max_size) | |
2668 | len = s->max_size; | |
2669 | size = recv(s->fd, buf, len, 0); | |
2670 | if (size == 0) { | |
2671 | /* connection closed */ | |
2672 | s->connected = 0; | |
2673 | if (s->listen_fd >= 0) { | |
2674 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2675 | } | |
2676 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
2677 | closesocket(s->fd); | |
2678 | s->fd = -1; | |
2679 | } else if (size > 0) { | |
2680 | if (s->do_telnetopt) | |
2681 | tcp_chr_process_IAC_bytes(chr, s, buf, &size); | |
2682 | if (size > 0) | |
2683 | qemu_chr_read(chr, buf, size); | |
2684 | } | |
2685 | } | |
2686 | ||
2687 | static void tcp_chr_connect(void *opaque) | |
2688 | { | |
2689 | CharDriverState *chr = opaque; | |
2690 | TCPCharDriver *s = chr->opaque; | |
2691 | ||
2692 | s->connected = 1; | |
2693 | qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, | |
2694 | tcp_chr_read, NULL, chr); | |
2695 | qemu_chr_reset(chr); | |
2696 | } | |
2697 | ||
2698 | #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; | |
2699 | static void tcp_chr_telnet_init(int fd) | |
2700 | { | |
2701 | char buf[3]; | |
2702 | /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ | |
2703 | IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ | |
2704 | send(fd, (char *)buf, 3, 0); | |
2705 | IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ | |
2706 | send(fd, (char *)buf, 3, 0); | |
2707 | IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ | |
2708 | send(fd, (char *)buf, 3, 0); | |
2709 | IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ | |
2710 | send(fd, (char *)buf, 3, 0); | |
2711 | } | |
2712 | ||
2713 | static void socket_set_nodelay(int fd) | |
2714 | { | |
2715 | int val = 1; | |
2716 | setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val)); | |
2717 | } | |
2718 | ||
2719 | static void tcp_chr_accept(void *opaque) | |
2720 | { | |
2721 | CharDriverState *chr = opaque; | |
2722 | TCPCharDriver *s = chr->opaque; | |
2723 | struct sockaddr_in saddr; | |
2724 | #ifndef _WIN32 | |
2725 | struct sockaddr_un uaddr; | |
2726 | #endif | |
2727 | struct sockaddr *addr; | |
2728 | socklen_t len; | |
2729 | int fd; | |
2730 | ||
2731 | for(;;) { | |
2732 | #ifndef _WIN32 | |
2733 | if (s->is_unix) { | |
2734 | len = sizeof(uaddr); | |
2735 | addr = (struct sockaddr *)&uaddr; | |
2736 | } else | |
2737 | #endif | |
2738 | { | |
2739 | len = sizeof(saddr); | |
2740 | addr = (struct sockaddr *)&saddr; | |
2741 | } | |
2742 | fd = accept(s->listen_fd, addr, &len); | |
2743 | if (fd < 0 && errno != EINTR) { | |
2744 | return; | |
2745 | } else if (fd >= 0) { | |
2746 | if (s->do_telnetopt) | |
2747 | tcp_chr_telnet_init(fd); | |
2748 | break; | |
2749 | } | |
2750 | } | |
2751 | socket_set_nonblock(fd); | |
2752 | if (s->do_nodelay) | |
2753 | socket_set_nodelay(fd); | |
2754 | s->fd = fd; | |
2755 | qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); | |
2756 | tcp_chr_connect(chr); | |
2757 | } | |
2758 | ||
2759 | static void tcp_chr_close(CharDriverState *chr) | |
2760 | { | |
2761 | TCPCharDriver *s = chr->opaque; | |
2762 | if (s->fd >= 0) | |
2763 | closesocket(s->fd); | |
2764 | if (s->listen_fd >= 0) | |
2765 | closesocket(s->listen_fd); | |
2766 | qemu_free(s); | |
2767 | } | |
2768 | ||
2769 | static CharDriverState *qemu_chr_open_tcp(const char *host_str, | |
2770 | int is_telnet, | |
2771 | int is_unix) | |
2772 | { | |
2773 | CharDriverState *chr = NULL; | |
2774 | TCPCharDriver *s = NULL; | |
2775 | int fd = -1, ret, err, val; | |
2776 | int is_listen = 0; | |
2777 | int is_waitconnect = 1; | |
2778 | int do_nodelay = 0; | |
2779 | const char *ptr; | |
2780 | struct sockaddr_in saddr; | |
2781 | #ifndef _WIN32 | |
2782 | struct sockaddr_un uaddr; | |
2783 | #endif | |
2784 | struct sockaddr *addr; | |
2785 | socklen_t addrlen; | |
2786 | ||
2787 | #ifndef _WIN32 | |
2788 | if (is_unix) { | |
2789 | addr = (struct sockaddr *)&uaddr; | |
2790 | addrlen = sizeof(uaddr); | |
2791 | if (parse_unix_path(&uaddr, host_str) < 0) | |
2792 | goto fail; | |
2793 | } else | |
2794 | #endif | |
2795 | { | |
2796 | addr = (struct sockaddr *)&saddr; | |
2797 | addrlen = sizeof(saddr); | |
2798 | if (parse_host_port(&saddr, host_str) < 0) | |
2799 | goto fail; | |
2800 | } | |
2801 | ||
2802 | ptr = host_str; | |
2803 | while((ptr = strchr(ptr,','))) { | |
2804 | ptr++; | |
2805 | if (!strncmp(ptr,"server",6)) { | |
2806 | is_listen = 1; | |
2807 | } else if (!strncmp(ptr,"nowait",6)) { | |
2808 | is_waitconnect = 0; | |
2809 | } else if (!strncmp(ptr,"nodelay",6)) { | |
2810 | do_nodelay = 1; | |
2811 | } else { | |
2812 | printf("Unknown option: %s\n", ptr); | |
2813 | goto fail; | |
2814 | } | |
2815 | } | |
2816 | if (!is_listen) | |
2817 | is_waitconnect = 0; | |
2818 | ||
2819 | chr = qemu_mallocz(sizeof(CharDriverState)); | |
2820 | if (!chr) | |
2821 | goto fail; | |
2822 | s = qemu_mallocz(sizeof(TCPCharDriver)); | |
2823 | if (!s) | |
2824 | goto fail; | |
2825 | ||
2826 | #ifndef _WIN32 | |
2827 | if (is_unix) | |
2828 | fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
2829 | else | |
2830 | #endif | |
2831 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
2832 | ||
2833 | if (fd < 0) | |
2834 | goto fail; | |
2835 | ||
2836 | if (!is_waitconnect) | |
2837 | socket_set_nonblock(fd); | |
2838 | ||
2839 | s->connected = 0; | |
2840 | s->fd = -1; | |
2841 | s->listen_fd = -1; | |
2842 | s->is_unix = is_unix; | |
2843 | s->do_nodelay = do_nodelay && !is_unix; | |
2844 | ||
2845 | chr->opaque = s; | |
2846 | chr->chr_write = tcp_chr_write; | |
2847 | chr->chr_close = tcp_chr_close; | |
2848 | ||
2849 | if (is_listen) { | |
2850 | /* allow fast reuse */ | |
2851 | #ifndef _WIN32 | |
2852 | if (is_unix) { | |
2853 | char path[109]; | |
2854 | strncpy(path, uaddr.sun_path, 108); | |
2855 | path[108] = 0; | |
2856 | unlink(path); | |
2857 | } else | |
2858 | #endif | |
2859 | { | |
2860 | val = 1; | |
2861 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
2862 | } | |
2863 | ||
2864 | ret = bind(fd, addr, addrlen); | |
2865 | if (ret < 0) | |
2866 | goto fail; | |
2867 | ||
2868 | ret = listen(fd, 0); | |
2869 | if (ret < 0) | |
2870 | goto fail; | |
2871 | ||
2872 | s->listen_fd = fd; | |
2873 | qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); | |
2874 | if (is_telnet) | |
2875 | s->do_telnetopt = 1; | |
2876 | } else { | |
2877 | for(;;) { | |
2878 | ret = connect(fd, addr, addrlen); | |
2879 | if (ret < 0) { | |
2880 | err = socket_error(); | |
2881 | if (err == EINTR || err == EWOULDBLOCK) { | |
2882 | } else if (err == EINPROGRESS) { | |
2883 | break; | |
2884 | #ifdef _WIN32 | |
2885 | } else if (err == WSAEALREADY) { | |
2886 | break; | |
2887 | #endif | |
2888 | } else { | |
2889 | goto fail; | |
2890 | } | |
2891 | } else { | |
2892 | s->connected = 1; | |
2893 | break; | |
2894 | } | |
2895 | } | |
2896 | s->fd = fd; | |
2897 | socket_set_nodelay(fd); | |
2898 | if (s->connected) | |
2899 | tcp_chr_connect(chr); | |
2900 | else | |
2901 | qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); | |
2902 | } | |
2903 | ||
2904 | if (is_listen && is_waitconnect) { | |
2905 | printf("QEMU waiting for connection on: %s\n", host_str); | |
2906 | tcp_chr_accept(chr); | |
2907 | socket_set_nonblock(s->listen_fd); | |
2908 | } | |
2909 | ||
2910 | return chr; | |
2911 | fail: | |
2912 | if (fd >= 0) | |
2913 | closesocket(fd); | |
2914 | qemu_free(s); | |
2915 | qemu_free(chr); | |
2916 | return NULL; | |
2917 | } | |
2918 | ||
2919 | CharDriverState *qemu_chr_open(const char *filename) | |
2920 | { | |
2921 | const char *p; | |
2922 | ||
2923 | if (!strcmp(filename, "vc")) { | |
2924 | return text_console_init(&display_state); | |
2925 | } else if (!strcmp(filename, "null")) { | |
2926 | return qemu_chr_open_null(); | |
2927 | } else | |
2928 | if (strstart(filename, "tcp:", &p)) { | |
2929 | return qemu_chr_open_tcp(p, 0, 0); | |
2930 | } else | |
2931 | if (strstart(filename, "telnet:", &p)) { | |
2932 | return qemu_chr_open_tcp(p, 1, 0); | |
2933 | } else | |
2934 | if (strstart(filename, "udp:", &p)) { | |
2935 | return qemu_chr_open_udp(p); | |
2936 | } else | |
2937 | if (strstart(filename, "mon:", &p)) { | |
2938 | CharDriverState *drv = qemu_chr_open(p); | |
2939 | if (drv) { | |
2940 | drv = qemu_chr_open_mux(drv); | |
2941 | monitor_init(drv, !nographic); | |
2942 | return drv; | |
2943 | } | |
2944 | printf("Unable to open driver: %s\n", p); | |
2945 | return 0; | |
2946 | } else | |
2947 | #ifndef _WIN32 | |
2948 | if (strstart(filename, "unix:", &p)) { | |
2949 | return qemu_chr_open_tcp(p, 0, 1); | |
2950 | } else if (strstart(filename, "file:", &p)) { | |
2951 | return qemu_chr_open_file_out(p); | |
2952 | } else if (strstart(filename, "pipe:", &p)) { | |
2953 | return qemu_chr_open_pipe(p); | |
2954 | } else if (!strcmp(filename, "pty")) { | |
2955 | return qemu_chr_open_pty(); | |
2956 | } else if (!strcmp(filename, "stdio")) { | |
2957 | return qemu_chr_open_stdio(); | |
2958 | } else | |
2959 | #if defined(__linux__) | |
2960 | if (strstart(filename, "/dev/parport", NULL)) { | |
2961 | return qemu_chr_open_pp(filename); | |
2962 | } else | |
2963 | #endif | |
2964 | #if defined(__linux__) || defined(__sun__) | |
2965 | if (strstart(filename, "/dev/", NULL)) { | |
2966 | return qemu_chr_open_tty(filename); | |
2967 | } else | |
2968 | #endif | |
2969 | #else /* !_WIN32 */ | |
2970 | if (strstart(filename, "COM", NULL)) { | |
2971 | return qemu_chr_open_win(filename); | |
2972 | } else | |
2973 | if (strstart(filename, "pipe:", &p)) { | |
2974 | return qemu_chr_open_win_pipe(p); | |
2975 | } else | |
2976 | if (strstart(filename, "con:", NULL)) { | |
2977 | return qemu_chr_open_win_con(filename); | |
2978 | } else | |
2979 | if (strstart(filename, "file:", &p)) { | |
2980 | return qemu_chr_open_win_file_out(p); | |
2981 | } | |
2982 | #endif | |
2983 | { | |
2984 | return NULL; | |
2985 | } | |
2986 | } | |
2987 | ||
2988 | void qemu_chr_close(CharDriverState *chr) | |
2989 | { | |
2990 | if (chr->chr_close) | |
2991 | chr->chr_close(chr); | |
2992 | } | |
2993 | ||
2994 | /***********************************************************/ | |
2995 | /* network device redirectors */ | |
2996 | ||
2997 | void hex_dump(FILE *f, const uint8_t *buf, int size) | |
2998 | { | |
2999 | int len, i, j, c; | |
3000 | ||
3001 | for(i=0;i<size;i+=16) { | |
3002 | len = size - i; | |
3003 | if (len > 16) | |
3004 | len = 16; | |
3005 | fprintf(f, "%08x ", i); | |
3006 | for(j=0;j<16;j++) { | |
3007 | if (j < len) | |
3008 | fprintf(f, " %02x", buf[i+j]); | |
3009 | else | |
3010 | fprintf(f, " "); | |
3011 | } | |
3012 | fprintf(f, " "); | |
3013 | for(j=0;j<len;j++) { | |
3014 | c = buf[i+j]; | |
3015 | if (c < ' ' || c > '~') | |
3016 | c = '.'; | |
3017 | fprintf(f, "%c", c); | |
3018 | } | |
3019 | fprintf(f, "\n"); | |
3020 | } | |
3021 | } | |
3022 | ||
3023 | static int parse_macaddr(uint8_t *macaddr, const char *p) | |
3024 | { | |
3025 | int i; | |
3026 | for(i = 0; i < 6; i++) { | |
3027 | macaddr[i] = strtol(p, (char **)&p, 16); | |
3028 | if (i == 5) { | |
3029 | if (*p != '\0') | |
3030 | return -1; | |
3031 | } else { | |
3032 | if (*p != ':') | |
3033 | return -1; | |
3034 | p++; | |
3035 | } | |
3036 | } | |
3037 | return 0; | |
3038 | } | |
3039 | ||
3040 | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) | |
3041 | { | |
3042 | const char *p, *p1; | |
3043 | int len; | |
3044 | p = *pp; | |
3045 | p1 = strchr(p, sep); | |
3046 | if (!p1) | |
3047 | return -1; | |
3048 | len = p1 - p; | |
3049 | p1++; | |
3050 | if (buf_size > 0) { | |
3051 | if (len > buf_size - 1) | |
3052 | len = buf_size - 1; | |
3053 | memcpy(buf, p, len); | |
3054 | buf[len] = '\0'; | |
3055 | } | |
3056 | *pp = p1; | |
3057 | return 0; | |
3058 | } | |
3059 | ||
3060 | int parse_host_src_port(struct sockaddr_in *haddr, | |
3061 | struct sockaddr_in *saddr, | |
3062 | const char *input_str) | |
3063 | { | |
3064 | char *str = strdup(input_str); | |
3065 | char *host_str = str; | |
3066 | char *src_str; | |
3067 | char *ptr; | |
3068 | ||
3069 | /* | |
3070 | * Chop off any extra arguments at the end of the string which | |
3071 | * would start with a comma, then fill in the src port information | |
3072 | * if it was provided else use the "any address" and "any port". | |
3073 | */ | |
3074 | if ((ptr = strchr(str,','))) | |
3075 | *ptr = '\0'; | |
3076 | ||
3077 | if ((src_str = strchr(input_str,'@'))) { | |
3078 | *src_str = '\0'; | |
3079 | src_str++; | |
3080 | } | |
3081 | ||
3082 | if (parse_host_port(haddr, host_str) < 0) | |
3083 | goto fail; | |
3084 | ||
3085 | if (!src_str || *src_str == '\0') | |
3086 | src_str = ":0"; | |
3087 | ||
3088 | if (parse_host_port(saddr, src_str) < 0) | |
3089 | goto fail; | |
3090 | ||
3091 | free(str); | |
3092 | return(0); | |
3093 | ||
3094 | fail: | |
3095 | free(str); | |
3096 | return -1; | |
3097 | } | |
3098 | ||
3099 | int parse_host_port(struct sockaddr_in *saddr, const char *str) | |
3100 | { | |
3101 | char buf[512]; | |
3102 | struct hostent *he; | |
3103 | const char *p, *r; | |
3104 | int port; | |
3105 | ||
3106 | p = str; | |
3107 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3108 | return -1; | |
3109 | saddr->sin_family = AF_INET; | |
3110 | if (buf[0] == '\0') { | |
3111 | saddr->sin_addr.s_addr = 0; | |
3112 | } else { | |
3113 | if (isdigit(buf[0])) { | |
3114 | if (!inet_aton(buf, &saddr->sin_addr)) | |
3115 | return -1; | |
3116 | } else { | |
3117 | if ((he = gethostbyname(buf)) == NULL) | |
3118 | return - 1; | |
3119 | saddr->sin_addr = *(struct in_addr *)he->h_addr; | |
3120 | } | |
3121 | } | |
3122 | port = strtol(p, (char **)&r, 0); | |
3123 | if (r == p) | |
3124 | return -1; | |
3125 | saddr->sin_port = htons(port); | |
3126 | return 0; | |
3127 | } | |
3128 | ||
3129 | #ifndef _WIN32 | |
3130 | static int parse_unix_path(struct sockaddr_un *uaddr, const char *str) | |
3131 | { | |
3132 | const char *p; | |
3133 | int len; | |
3134 | ||
3135 | len = MIN(108, strlen(str)); | |
3136 | p = strchr(str, ','); | |
3137 | if (p) | |
3138 | len = MIN(len, p - str); | |
3139 | ||
3140 | memset(uaddr, 0, sizeof(*uaddr)); | |
3141 | ||
3142 | uaddr->sun_family = AF_UNIX; | |
3143 | memcpy(uaddr->sun_path, str, len); | |
3144 | ||
3145 | return 0; | |
3146 | } | |
3147 | #endif | |
3148 | ||
3149 | /* find or alloc a new VLAN */ | |
3150 | VLANState *qemu_find_vlan(int id) | |
3151 | { | |
3152 | VLANState **pvlan, *vlan; | |
3153 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
3154 | if (vlan->id == id) | |
3155 | return vlan; | |
3156 | } | |
3157 | vlan = qemu_mallocz(sizeof(VLANState)); | |
3158 | if (!vlan) | |
3159 | return NULL; | |
3160 | vlan->id = id; | |
3161 | vlan->next = NULL; | |
3162 | pvlan = &first_vlan; | |
3163 | while (*pvlan != NULL) | |
3164 | pvlan = &(*pvlan)->next; | |
3165 | *pvlan = vlan; | |
3166 | return vlan; | |
3167 | } | |
3168 | ||
3169 | VLANClientState *qemu_new_vlan_client(VLANState *vlan, | |
3170 | IOReadHandler *fd_read, | |
3171 | IOCanRWHandler *fd_can_read, | |
3172 | void *opaque) | |
3173 | { | |
3174 | VLANClientState *vc, **pvc; | |
3175 | vc = qemu_mallocz(sizeof(VLANClientState)); | |
3176 | if (!vc) | |
3177 | return NULL; | |
3178 | vc->fd_read = fd_read; | |
3179 | vc->fd_can_read = fd_can_read; | |
3180 | vc->opaque = opaque; | |
3181 | vc->vlan = vlan; | |
3182 | ||
3183 | vc->next = NULL; | |
3184 | pvc = &vlan->first_client; | |
3185 | while (*pvc != NULL) | |
3186 | pvc = &(*pvc)->next; | |
3187 | *pvc = vc; | |
3188 | return vc; | |
3189 | } | |
3190 | ||
3191 | int qemu_can_send_packet(VLANClientState *vc1) | |
3192 | { | |
3193 | VLANState *vlan = vc1->vlan; | |
3194 | VLANClientState *vc; | |
3195 | ||
3196 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
3197 | if (vc != vc1) { | |
3198 | if (vc->fd_can_read && !vc->fd_can_read(vc->opaque)) | |
3199 | return 0; | |
3200 | } | |
3201 | } | |
3202 | return 1; | |
3203 | } | |
3204 | ||
3205 | void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) | |
3206 | { | |
3207 | VLANState *vlan = vc1->vlan; | |
3208 | VLANClientState *vc; | |
3209 | ||
3210 | #if 0 | |
3211 | printf("vlan %d send:\n", vlan->id); | |
3212 | hex_dump(stdout, buf, size); | |
3213 | #endif | |
3214 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
3215 | if (vc != vc1) { | |
3216 | vc->fd_read(vc->opaque, buf, size); | |
3217 | } | |
3218 | } | |
3219 | } | |
3220 | ||
3221 | #if defined(CONFIG_SLIRP) | |
3222 | ||
3223 | /* slirp network adapter */ | |
3224 | ||
3225 | static int slirp_inited; | |
3226 | static VLANClientState *slirp_vc; | |
3227 | ||
3228 | int slirp_can_output(void) | |
3229 | { | |
3230 | return !slirp_vc || qemu_can_send_packet(slirp_vc); | |
3231 | } | |
3232 | ||
3233 | void slirp_output(const uint8_t *pkt, int pkt_len) | |
3234 | { | |
3235 | #if 0 | |
3236 | printf("slirp output:\n"); | |
3237 | hex_dump(stdout, pkt, pkt_len); | |
3238 | #endif | |
3239 | if (!slirp_vc) | |
3240 | return; | |
3241 | qemu_send_packet(slirp_vc, pkt, pkt_len); | |
3242 | } | |
3243 | ||
3244 | static void slirp_receive(void *opaque, const uint8_t *buf, int size) | |
3245 | { | |
3246 | #if 0 | |
3247 | printf("slirp input:\n"); | |
3248 | hex_dump(stdout, buf, size); | |
3249 | #endif | |
3250 | slirp_input(buf, size); | |
3251 | } | |
3252 | ||
3253 | static int net_slirp_init(VLANState *vlan) | |
3254 | { | |
3255 | if (!slirp_inited) { | |
3256 | slirp_inited = 1; | |
3257 | slirp_init(); | |
3258 | } | |
3259 | slirp_vc = qemu_new_vlan_client(vlan, | |
3260 | slirp_receive, NULL, NULL); | |
3261 | snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); | |
3262 | return 0; | |
3263 | } | |
3264 | ||
3265 | static void net_slirp_redir(const char *redir_str) | |
3266 | { | |
3267 | int is_udp; | |
3268 | char buf[256], *r; | |
3269 | const char *p; | |
3270 | struct in_addr guest_addr; | |
3271 | int host_port, guest_port; | |
3272 | ||
3273 | if (!slirp_inited) { | |
3274 | slirp_inited = 1; | |
3275 | slirp_init(); | |
3276 | } | |
3277 | ||
3278 | p = redir_str; | |
3279 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3280 | goto fail; | |
3281 | if (!strcmp(buf, "tcp")) { | |
3282 | is_udp = 0; | |
3283 | } else if (!strcmp(buf, "udp")) { | |
3284 | is_udp = 1; | |
3285 | } else { | |
3286 | goto fail; | |
3287 | } | |
3288 | ||
3289 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3290 | goto fail; | |
3291 | host_port = strtol(buf, &r, 0); | |
3292 | if (r == buf) | |
3293 | goto fail; | |
3294 | ||
3295 | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) | |
3296 | goto fail; | |
3297 | if (buf[0] == '\0') { | |
3298 | pstrcpy(buf, sizeof(buf), "10.0.2.15"); | |
3299 | } | |
3300 | if (!inet_aton(buf, &guest_addr)) | |
3301 | goto fail; | |
3302 | ||
3303 | guest_port = strtol(p, &r, 0); | |
3304 | if (r == p) | |
3305 | goto fail; | |
3306 | ||
3307 | if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { | |
3308 | fprintf(stderr, "qemu: could not set up redirection\n"); | |
3309 | exit(1); | |
3310 | } | |
3311 | return; | |
3312 | fail: | |
3313 | fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); | |
3314 | exit(1); | |
3315 | } | |
3316 | ||
3317 | #ifndef _WIN32 | |
3318 | ||
3319 | char smb_dir[1024]; | |
3320 | ||
3321 | static void smb_exit(void) | |
3322 | { | |
3323 | DIR *d; | |
3324 | struct dirent *de; | |
3325 | char filename[1024]; | |
3326 | ||
3327 | /* erase all the files in the directory */ | |
3328 | d = opendir(smb_dir); | |
3329 | for(;;) { | |
3330 | de = readdir(d); | |
3331 | if (!de) | |
3332 | break; | |
3333 | if (strcmp(de->d_name, ".") != 0 && | |
3334 | strcmp(de->d_name, "..") != 0) { | |
3335 | snprintf(filename, sizeof(filename), "%s/%s", | |
3336 | smb_dir, de->d_name); | |
3337 | unlink(filename); | |
3338 | } | |
3339 | } | |
3340 | closedir(d); | |
3341 | rmdir(smb_dir); | |
3342 | } | |
3343 | ||
3344 | /* automatic user mode samba server configuration */ | |
3345 | void net_slirp_smb(const char *exported_dir) | |
3346 | { | |
3347 | char smb_conf[1024]; | |
3348 | char smb_cmdline[1024]; | |
3349 | FILE *f; | |
3350 | ||
3351 | if (!slirp_inited) { | |
3352 | slirp_inited = 1; | |
3353 | slirp_init(); | |
3354 | } | |
3355 | ||
3356 | /* XXX: better tmp dir construction */ | |
3357 | snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); | |
3358 | if (mkdir(smb_dir, 0700) < 0) { | |
3359 | fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); | |
3360 | exit(1); | |
3361 | } | |
3362 | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); | |
3363 | ||
3364 | f = fopen(smb_conf, "w"); | |
3365 | if (!f) { | |
3366 | fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); | |
3367 | exit(1); | |
3368 | } | |
3369 | fprintf(f, | |
3370 | "[global]\n" | |
3371 | "private dir=%s\n" | |
3372 | "smb ports=0\n" | |
3373 | "socket address=127.0.0.1\n" | |
3374 | "pid directory=%s\n" | |
3375 | "lock directory=%s\n" | |
3376 | "log file=%s/log.smbd\n" | |
3377 | "smb passwd file=%s/smbpasswd\n" | |
3378 | "security = share\n" | |
3379 | "[qemu]\n" | |
3380 | "path=%s\n" | |
3381 | "read only=no\n" | |
3382 | "guest ok=yes\n", | |
3383 | smb_dir, | |
3384 | smb_dir, | |
3385 | smb_dir, | |
3386 | smb_dir, | |
3387 | smb_dir, | |
3388 | exported_dir | |
3389 | ); | |
3390 | fclose(f); | |
3391 | atexit(smb_exit); | |
3392 | ||
3393 | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", | |
3394 | SMBD_COMMAND, smb_conf); | |
3395 | ||
3396 | slirp_add_exec(0, smb_cmdline, 4, 139); | |
3397 | } | |
3398 | ||
3399 | #endif /* !defined(_WIN32) */ | |
3400 | ||
3401 | #endif /* CONFIG_SLIRP */ | |
3402 | ||
3403 | #if !defined(_WIN32) | |
3404 | ||
3405 | typedef struct TAPState { | |
3406 | VLANClientState *vc; | |
3407 | int fd; | |
3408 | } TAPState; | |
3409 | ||
3410 | static void tap_receive(void *opaque, const uint8_t *buf, int size) | |
3411 | { | |
3412 | TAPState *s = opaque; | |
3413 | int ret; | |
3414 | for(;;) { | |
3415 | ret = write(s->fd, buf, size); | |
3416 | if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { | |
3417 | } else { | |
3418 | break; | |
3419 | } | |
3420 | } | |
3421 | } | |
3422 | ||
3423 | static void tap_send(void *opaque) | |
3424 | { | |
3425 | TAPState *s = opaque; | |
3426 | uint8_t buf[4096]; | |
3427 | int size; | |
3428 | ||
3429 | #ifdef __sun__ | |
3430 | struct strbuf sbuf; | |
3431 | int f = 0; | |
3432 | sbuf.maxlen = sizeof(buf); | |
3433 | sbuf.buf = buf; | |
3434 | size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; | |
3435 | #else | |
3436 | size = read(s->fd, buf, sizeof(buf)); | |
3437 | #endif | |
3438 | if (size > 0) { | |
3439 | qemu_send_packet(s->vc, buf, size); | |
3440 | } | |
3441 | } | |
3442 | ||
3443 | /* fd support */ | |
3444 | ||
3445 | static TAPState *net_tap_fd_init(VLANState *vlan, int fd) | |
3446 | { | |
3447 | TAPState *s; | |
3448 | ||
3449 | s = qemu_mallocz(sizeof(TAPState)); | |
3450 | if (!s) | |
3451 | return NULL; | |
3452 | s->fd = fd; | |
3453 | s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); | |
3454 | qemu_set_fd_handler(s->fd, tap_send, NULL, s); | |
3455 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); | |
3456 | return s; | |
3457 | } | |
3458 | ||
3459 | #if defined (_BSD) || defined (__FreeBSD_kernel__) | |
3460 | static int tap_open(char *ifname, int ifname_size) | |
3461 | { | |
3462 | int fd; | |
3463 | char *dev; | |
3464 | struct stat s; | |
3465 | ||
3466 | fd = open("/dev/tap", O_RDWR); | |
3467 | if (fd < 0) { | |
3468 | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); | |
3469 | return -1; | |
3470 | } | |
3471 | ||
3472 | fstat(fd, &s); | |
3473 | dev = devname(s.st_rdev, S_IFCHR); | |
3474 | pstrcpy(ifname, ifname_size, dev); | |
3475 | ||
3476 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3477 | return fd; | |
3478 | } | |
3479 | #elif defined(__sun__) | |
3480 | #define TUNNEWPPA (('T'<<16) | 0x0001) | |
3481 | /* | |
3482 | * Allocate TAP device, returns opened fd. | |
3483 | * Stores dev name in the first arg(must be large enough). | |
3484 | */ | |
3485 | int tap_alloc(char *dev) | |
3486 | { | |
3487 | int tap_fd, if_fd, ppa = -1; | |
3488 | static int ip_fd = 0; | |
3489 | char *ptr; | |
3490 | ||
3491 | static int arp_fd = 0; | |
3492 | int ip_muxid, arp_muxid; | |
3493 | struct strioctl strioc_if, strioc_ppa; | |
3494 | int link_type = I_PLINK;; | |
3495 | struct lifreq ifr; | |
3496 | char actual_name[32] = ""; | |
3497 | ||
3498 | memset(&ifr, 0x0, sizeof(ifr)); | |
3499 | ||
3500 | if( *dev ){ | |
3501 | ptr = dev; | |
3502 | while( *ptr && !isdigit((int)*ptr) ) ptr++; | |
3503 | ppa = atoi(ptr); | |
3504 | } | |
3505 | ||
3506 | /* Check if IP device was opened */ | |
3507 | if( ip_fd ) | |
3508 | close(ip_fd); | |
3509 | ||
3510 | if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){ | |
3511 | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); | |
3512 | return -1; | |
3513 | } | |
3514 | ||
3515 | if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){ | |
3516 | syslog(LOG_ERR, "Can't open /dev/tap"); | |
3517 | return -1; | |
3518 | } | |
3519 | ||
3520 | /* Assign a new PPA and get its unit number. */ | |
3521 | strioc_ppa.ic_cmd = TUNNEWPPA; | |
3522 | strioc_ppa.ic_timout = 0; | |
3523 | strioc_ppa.ic_len = sizeof(ppa); | |
3524 | strioc_ppa.ic_dp = (char *)&ppa; | |
3525 | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) | |
3526 | syslog (LOG_ERR, "Can't assign new interface"); | |
3527 | ||
3528 | if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){ | |
3529 | syslog(LOG_ERR, "Can't open /dev/tap (2)"); | |
3530 | return -1; | |
3531 | } | |
3532 | if(ioctl(if_fd, I_PUSH, "ip") < 0){ | |
3533 | syslog(LOG_ERR, "Can't push IP module"); | |
3534 | return -1; | |
3535 | } | |
3536 | ||
3537 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) | |
3538 | syslog(LOG_ERR, "Can't get flags\n"); | |
3539 | ||
3540 | snprintf (actual_name, 32, "tap%d", ppa); | |
3541 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); | |
3542 | ||
3543 | ifr.lifr_ppa = ppa; | |
3544 | /* Assign ppa according to the unit number returned by tun device */ | |
3545 | ||
3546 | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) | |
3547 | syslog (LOG_ERR, "Can't set PPA %d", ppa); | |
3548 | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) | |
3549 | syslog (LOG_ERR, "Can't get flags\n"); | |
3550 | /* Push arp module to if_fd */ | |
3551 | if (ioctl (if_fd, I_PUSH, "arp") < 0) | |
3552 | syslog (LOG_ERR, "Can't push ARP module (2)"); | |
3553 | ||
3554 | /* Push arp module to ip_fd */ | |
3555 | if (ioctl (ip_fd, I_POP, NULL) < 0) | |
3556 | syslog (LOG_ERR, "I_POP failed\n"); | |
3557 | if (ioctl (ip_fd, I_PUSH, "arp") < 0) | |
3558 | syslog (LOG_ERR, "Can't push ARP module (3)\n"); | |
3559 | /* Open arp_fd */ | |
3560 | if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0) | |
3561 | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); | |
3562 | ||
3563 | /* Set ifname to arp */ | |
3564 | strioc_if.ic_cmd = SIOCSLIFNAME; | |
3565 | strioc_if.ic_timout = 0; | |
3566 | strioc_if.ic_len = sizeof(ifr); | |
3567 | strioc_if.ic_dp = (char *)𝔦 | |
3568 | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ | |
3569 | syslog (LOG_ERR, "Can't set ifname to arp\n"); | |
3570 | } | |
3571 | ||
3572 | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ | |
3573 | syslog(LOG_ERR, "Can't link TAP device to IP"); | |
3574 | return -1; | |
3575 | } | |
3576 | ||
3577 | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) | |
3578 | syslog (LOG_ERR, "Can't link TAP device to ARP"); | |
3579 | ||
3580 | close (if_fd); | |
3581 | ||
3582 | memset(&ifr, 0x0, sizeof(ifr)); | |
3583 | strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); | |
3584 | ifr.lifr_ip_muxid = ip_muxid; | |
3585 | ifr.lifr_arp_muxid = arp_muxid; | |
3586 | ||
3587 | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) | |
3588 | { | |
3589 | ioctl (ip_fd, I_PUNLINK , arp_muxid); | |
3590 | ioctl (ip_fd, I_PUNLINK, ip_muxid); | |
3591 | syslog (LOG_ERR, "Can't set multiplexor id"); | |
3592 | } | |
3593 | ||
3594 | sprintf(dev, "tap%d", ppa); | |
3595 | return tap_fd; | |
3596 | } | |
3597 | ||
3598 | static int tap_open(char *ifname, int ifname_size) | |
3599 | { | |
3600 | char dev[10]=""; | |
3601 | int fd; | |
3602 | if( (fd = tap_alloc(dev)) < 0 ){ | |
3603 | fprintf(stderr, "Cannot allocate TAP device\n"); | |
3604 | return -1; | |
3605 | } | |
3606 | pstrcpy(ifname, ifname_size, dev); | |
3607 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3608 | return fd; | |
3609 | } | |
3610 | #else | |
3611 | static int tap_open(char *ifname, int ifname_size) | |
3612 | { | |
3613 | struct ifreq ifr; | |
3614 | int fd, ret; | |
3615 | ||
3616 | fd = open("/dev/net/tun", O_RDWR); | |
3617 | if (fd < 0) { | |
3618 | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); | |
3619 | return -1; | |
3620 | } | |
3621 | memset(&ifr, 0, sizeof(ifr)); | |
3622 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | |
3623 | if (ifname[0] != '\0') | |
3624 | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); | |
3625 | else | |
3626 | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); | |
3627 | ret = ioctl(fd, TUNSETIFF, (void *) &ifr); | |
3628 | if (ret != 0) { | |
3629 | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); | |
3630 | close(fd); | |
3631 | return -1; | |
3632 | } | |
3633 | pstrcpy(ifname, ifname_size, ifr.ifr_name); | |
3634 | fcntl(fd, F_SETFL, O_NONBLOCK); | |
3635 | return fd; | |
3636 | } | |
3637 | #endif | |
3638 | ||
3639 | static int net_tap_init(VLANState *vlan, const char *ifname1, | |
3640 | const char *setup_script) | |
3641 | { | |
3642 | TAPState *s; | |
3643 | int pid, status, fd; | |
3644 | char *args[3]; | |
3645 | char **parg; | |
3646 | char ifname[128]; | |
3647 | ||
3648 | if (ifname1 != NULL) | |
3649 | pstrcpy(ifname, sizeof(ifname), ifname1); | |
3650 | else | |
3651 | ifname[0] = '\0'; | |
3652 | fd = tap_open(ifname, sizeof(ifname)); | |
3653 | if (fd < 0) | |
3654 | return -1; | |
3655 | ||
3656 | if (!setup_script || !strcmp(setup_script, "no")) | |
3657 | setup_script = ""; | |
3658 | if (setup_script[0] != '\0') { | |
3659 | /* try to launch network init script */ | |
3660 | pid = fork(); | |
3661 | if (pid >= 0) { | |
3662 | if (pid == 0) { | |
3663 | int open_max = sysconf (_SC_OPEN_MAX), i; | |
3664 | for (i = 0; i < open_max; i++) | |
3665 | if (i != STDIN_FILENO && | |
3666 | i != STDOUT_FILENO && | |
3667 | i != STDERR_FILENO && | |
3668 | i != fd) | |
3669 | close(i); | |
3670 | ||
3671 | parg = args; | |
3672 | *parg++ = (char *)setup_script; | |
3673 | *parg++ = ifname; | |
3674 | *parg++ = NULL; | |
3675 | execv(setup_script, args); | |
3676 | _exit(1); | |
3677 | } | |
3678 | while (waitpid(pid, &status, 0) != pid); | |
3679 | if (!WIFEXITED(status) || | |
3680 | WEXITSTATUS(status) != 0) { | |
3681 | fprintf(stderr, "%s: could not launch network script\n", | |
3682 | setup_script); | |
3683 | return -1; | |
3684 | } | |
3685 | } | |
3686 | } | |
3687 | s = net_tap_fd_init(vlan, fd); | |
3688 | if (!s) | |
3689 | return -1; | |
3690 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3691 | "tap: ifname=%s setup_script=%s", ifname, setup_script); | |
3692 | return 0; | |
3693 | } | |
3694 | ||
3695 | #endif /* !_WIN32 */ | |
3696 | ||
3697 | /* network connection */ | |
3698 | typedef struct NetSocketState { | |
3699 | VLANClientState *vc; | |
3700 | int fd; | |
3701 | int state; /* 0 = getting length, 1 = getting data */ | |
3702 | int index; | |
3703 | int packet_len; | |
3704 | uint8_t buf[4096]; | |
3705 | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ | |
3706 | } NetSocketState; | |
3707 | ||
3708 | typedef struct NetSocketListenState { | |
3709 | VLANState *vlan; | |
3710 | int fd; | |
3711 | } NetSocketListenState; | |
3712 | ||
3713 | /* XXX: we consider we can send the whole packet without blocking */ | |
3714 | static void net_socket_receive(void *opaque, const uint8_t *buf, int size) | |
3715 | { | |
3716 | NetSocketState *s = opaque; | |
3717 | uint32_t len; | |
3718 | len = htonl(size); | |
3719 | ||
3720 | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); | |
3721 | send_all(s->fd, buf, size); | |
3722 | } | |
3723 | ||
3724 | static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) | |
3725 | { | |
3726 | NetSocketState *s = opaque; | |
3727 | sendto(s->fd, buf, size, 0, | |
3728 | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); | |
3729 | } | |
3730 | ||
3731 | static void net_socket_send(void *opaque) | |
3732 | { | |
3733 | NetSocketState *s = opaque; | |
3734 | int l, size, err; | |
3735 | uint8_t buf1[4096]; | |
3736 | const uint8_t *buf; | |
3737 | ||
3738 | size = recv(s->fd, buf1, sizeof(buf1), 0); | |
3739 | if (size < 0) { | |
3740 | err = socket_error(); | |
3741 | if (err != EWOULDBLOCK) | |
3742 | goto eoc; | |
3743 | } else if (size == 0) { | |
3744 | /* end of connection */ | |
3745 | eoc: | |
3746 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3747 | closesocket(s->fd); | |
3748 | return; | |
3749 | } | |
3750 | buf = buf1; | |
3751 | while (size > 0) { | |
3752 | /* reassemble a packet from the network */ | |
3753 | switch(s->state) { | |
3754 | case 0: | |
3755 | l = 4 - s->index; | |
3756 | if (l > size) | |
3757 | l = size; | |
3758 | memcpy(s->buf + s->index, buf, l); | |
3759 | buf += l; | |
3760 | size -= l; | |
3761 | s->index += l; | |
3762 | if (s->index == 4) { | |
3763 | /* got length */ | |
3764 | s->packet_len = ntohl(*(uint32_t *)s->buf); | |
3765 | s->index = 0; | |
3766 | s->state = 1; | |
3767 | } | |
3768 | break; | |
3769 | case 1: | |
3770 | l = s->packet_len - s->index; | |
3771 | if (l > size) | |
3772 | l = size; | |
3773 | memcpy(s->buf + s->index, buf, l); | |
3774 | s->index += l; | |
3775 | buf += l; | |
3776 | size -= l; | |
3777 | if (s->index >= s->packet_len) { | |
3778 | qemu_send_packet(s->vc, s->buf, s->packet_len); | |
3779 | s->index = 0; | |
3780 | s->state = 0; | |
3781 | } | |
3782 | break; | |
3783 | } | |
3784 | } | |
3785 | } | |
3786 | ||
3787 | static void net_socket_send_dgram(void *opaque) | |
3788 | { | |
3789 | NetSocketState *s = opaque; | |
3790 | int size; | |
3791 | ||
3792 | size = recv(s->fd, s->buf, sizeof(s->buf), 0); | |
3793 | if (size < 0) | |
3794 | return; | |
3795 | if (size == 0) { | |
3796 | /* end of connection */ | |
3797 | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); | |
3798 | return; | |
3799 | } | |
3800 | qemu_send_packet(s->vc, s->buf, size); | |
3801 | } | |
3802 | ||
3803 | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) | |
3804 | { | |
3805 | struct ip_mreq imr; | |
3806 | int fd; | |
3807 | int val, ret; | |
3808 | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) { | |
3809 | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n", | |
3810 | inet_ntoa(mcastaddr->sin_addr), | |
3811 | (int)ntohl(mcastaddr->sin_addr.s_addr)); | |
3812 | return -1; | |
3813 | ||
3814 | } | |
3815 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
3816 | if (fd < 0) { | |
3817 | perror("socket(PF_INET, SOCK_DGRAM)"); | |
3818 | return -1; | |
3819 | } | |
3820 | ||
3821 | val = 1; | |
3822 | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, | |
3823 | (const char *)&val, sizeof(val)); | |
3824 | if (ret < 0) { | |
3825 | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); | |
3826 | goto fail; | |
3827 | } | |
3828 | ||
3829 | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); | |
3830 | if (ret < 0) { | |
3831 | perror("bind"); | |
3832 | goto fail; | |
3833 | } | |
3834 | ||
3835 | /* Add host to multicast group */ | |
3836 | imr.imr_multiaddr = mcastaddr->sin_addr; | |
3837 | imr.imr_interface.s_addr = htonl(INADDR_ANY); | |
3838 | ||
3839 | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
3840 | (const char *)&imr, sizeof(struct ip_mreq)); | |
3841 | if (ret < 0) { | |
3842 | perror("setsockopt(IP_ADD_MEMBERSHIP)"); | |
3843 | goto fail; | |
3844 | } | |
3845 | ||
3846 | /* Force mcast msgs to loopback (eg. several QEMUs in same host */ | |
3847 | val = 1; | |
3848 | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, | |
3849 | (const char *)&val, sizeof(val)); | |
3850 | if (ret < 0) { | |
3851 | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); | |
3852 | goto fail; | |
3853 | } | |
3854 | ||
3855 | socket_set_nonblock(fd); | |
3856 | return fd; | |
3857 | fail: | |
3858 | if (fd >= 0) | |
3859 | closesocket(fd); | |
3860 | return -1; | |
3861 | } | |
3862 | ||
3863 | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, | |
3864 | int is_connected) | |
3865 | { | |
3866 | struct sockaddr_in saddr; | |
3867 | int newfd; | |
3868 | socklen_t saddr_len; | |
3869 | NetSocketState *s; | |
3870 | ||
3871 | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it | |
3872 | * Because this may be "shared" socket from a "master" process, datagrams would be recv() | |
3873 | * by ONLY ONE process: we must "clone" this dgram socket --jjo | |
3874 | */ | |
3875 | ||
3876 | if (is_connected) { | |
3877 | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { | |
3878 | /* must be bound */ | |
3879 | if (saddr.sin_addr.s_addr==0) { | |
3880 | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", | |
3881 | fd); | |
3882 | return NULL; | |
3883 | } | |
3884 | /* clone dgram socket */ | |
3885 | newfd = net_socket_mcast_create(&saddr); | |
3886 | if (newfd < 0) { | |
3887 | /* error already reported by net_socket_mcast_create() */ | |
3888 | close(fd); | |
3889 | return NULL; | |
3890 | } | |
3891 | /* clone newfd to fd, close newfd */ | |
3892 | dup2(newfd, fd); | |
3893 | close(newfd); | |
3894 | ||
3895 | } else { | |
3896 | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", | |
3897 | fd, strerror(errno)); | |
3898 | return NULL; | |
3899 | } | |
3900 | } | |
3901 | ||
3902 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3903 | if (!s) | |
3904 | return NULL; | |
3905 | s->fd = fd; | |
3906 | ||
3907 | s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); | |
3908 | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); | |
3909 | ||
3910 | /* mcast: save bound address as dst */ | |
3911 | if (is_connected) s->dgram_dst=saddr; | |
3912 | ||
3913 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3914 | "socket: fd=%d (%s mcast=%s:%d)", | |
3915 | fd, is_connected? "cloned" : "", | |
3916 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3917 | return s; | |
3918 | } | |
3919 | ||
3920 | static void net_socket_connect(void *opaque) | |
3921 | { | |
3922 | NetSocketState *s = opaque; | |
3923 | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); | |
3924 | } | |
3925 | ||
3926 | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, | |
3927 | int is_connected) | |
3928 | { | |
3929 | NetSocketState *s; | |
3930 | s = qemu_mallocz(sizeof(NetSocketState)); | |
3931 | if (!s) | |
3932 | return NULL; | |
3933 | s->fd = fd; | |
3934 | s->vc = qemu_new_vlan_client(vlan, | |
3935 | net_socket_receive, NULL, s); | |
3936 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
3937 | "socket: fd=%d", fd); | |
3938 | if (is_connected) { | |
3939 | net_socket_connect(s); | |
3940 | } else { | |
3941 | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); | |
3942 | } | |
3943 | return s; | |
3944 | } | |
3945 | ||
3946 | static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, | |
3947 | int is_connected) | |
3948 | { | |
3949 | int so_type=-1, optlen=sizeof(so_type); | |
3950 | ||
3951 | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) { | |
3952 | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd); | |
3953 | return NULL; | |
3954 | } | |
3955 | switch(so_type) { | |
3956 | case SOCK_DGRAM: | |
3957 | return net_socket_fd_init_dgram(vlan, fd, is_connected); | |
3958 | case SOCK_STREAM: | |
3959 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3960 | default: | |
3961 | /* who knows ... this could be a eg. a pty, do warn and continue as stream */ | |
3962 | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); | |
3963 | return net_socket_fd_init_stream(vlan, fd, is_connected); | |
3964 | } | |
3965 | return NULL; | |
3966 | } | |
3967 | ||
3968 | static void net_socket_accept(void *opaque) | |
3969 | { | |
3970 | NetSocketListenState *s = opaque; | |
3971 | NetSocketState *s1; | |
3972 | struct sockaddr_in saddr; | |
3973 | socklen_t len; | |
3974 | int fd; | |
3975 | ||
3976 | for(;;) { | |
3977 | len = sizeof(saddr); | |
3978 | fd = accept(s->fd, (struct sockaddr *)&saddr, &len); | |
3979 | if (fd < 0 && errno != EINTR) { | |
3980 | return; | |
3981 | } else if (fd >= 0) { | |
3982 | break; | |
3983 | } | |
3984 | } | |
3985 | s1 = net_socket_fd_init(s->vlan, fd, 1); | |
3986 | if (!s1) { | |
3987 | closesocket(fd); | |
3988 | } else { | |
3989 | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), | |
3990 | "socket: connection from %s:%d", | |
3991 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
3992 | } | |
3993 | } | |
3994 | ||
3995 | static int net_socket_listen_init(VLANState *vlan, const char *host_str) | |
3996 | { | |
3997 | NetSocketListenState *s; | |
3998 | int fd, val, ret; | |
3999 | struct sockaddr_in saddr; | |
4000 | ||
4001 | if (parse_host_port(&saddr, host_str) < 0) | |
4002 | return -1; | |
4003 | ||
4004 | s = qemu_mallocz(sizeof(NetSocketListenState)); | |
4005 | if (!s) | |
4006 | return -1; | |
4007 | ||
4008 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
4009 | if (fd < 0) { | |
4010 | perror("socket"); | |
4011 | return -1; | |
4012 | } | |
4013 | socket_set_nonblock(fd); | |
4014 | ||
4015 | /* allow fast reuse */ | |
4016 | val = 1; | |
4017 | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); | |
4018 | ||
4019 | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
4020 | if (ret < 0) { | |
4021 | perror("bind"); | |
4022 | return -1; | |
4023 | } | |
4024 | ret = listen(fd, 0); | |
4025 | if (ret < 0) { | |
4026 | perror("listen"); | |
4027 | return -1; | |
4028 | } | |
4029 | s->vlan = vlan; | |
4030 | s->fd = fd; | |
4031 | qemu_set_fd_handler(fd, net_socket_accept, NULL, s); | |
4032 | return 0; | |
4033 | } | |
4034 | ||
4035 | static int net_socket_connect_init(VLANState *vlan, const char *host_str) | |
4036 | { | |
4037 | NetSocketState *s; | |
4038 | int fd, connected, ret, err; | |
4039 | struct sockaddr_in saddr; | |
4040 | ||
4041 | if (parse_host_port(&saddr, host_str) < 0) | |
4042 | return -1; | |
4043 | ||
4044 | fd = socket(PF_INET, SOCK_STREAM, 0); | |
4045 | if (fd < 0) { | |
4046 | perror("socket"); | |
4047 | return -1; | |
4048 | } | |
4049 | socket_set_nonblock(fd); | |
4050 | ||
4051 | connected = 0; | |
4052 | for(;;) { | |
4053 | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); | |
4054 | if (ret < 0) { | |
4055 | err = socket_error(); | |
4056 | if (err == EINTR || err == EWOULDBLOCK) { | |
4057 | } else if (err == EINPROGRESS) { | |
4058 | break; | |
4059 | #ifdef _WIN32 | |
4060 | } else if (err == WSAEALREADY) { | |
4061 | break; | |
4062 | #endif | |
4063 | } else { | |
4064 | perror("connect"); | |
4065 | closesocket(fd); | |
4066 | return -1; | |
4067 | } | |
4068 | } else { | |
4069 | connected = 1; | |
4070 | break; | |
4071 | } | |
4072 | } | |
4073 | s = net_socket_fd_init(vlan, fd, connected); | |
4074 | if (!s) | |
4075 | return -1; | |
4076 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4077 | "socket: connect to %s:%d", | |
4078 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
4079 | return 0; | |
4080 | } | |
4081 | ||
4082 | static int net_socket_mcast_init(VLANState *vlan, const char *host_str) | |
4083 | { | |
4084 | NetSocketState *s; | |
4085 | int fd; | |
4086 | struct sockaddr_in saddr; | |
4087 | ||
4088 | if (parse_host_port(&saddr, host_str) < 0) | |
4089 | return -1; | |
4090 | ||
4091 | ||
4092 | fd = net_socket_mcast_create(&saddr); | |
4093 | if (fd < 0) | |
4094 | return -1; | |
4095 | ||
4096 | s = net_socket_fd_init(vlan, fd, 0); | |
4097 | if (!s) | |
4098 | return -1; | |
4099 | ||
4100 | s->dgram_dst = saddr; | |
4101 | ||
4102 | snprintf(s->vc->info_str, sizeof(s->vc->info_str), | |
4103 | "socket: mcast=%s:%d", | |
4104 | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); | |
4105 | return 0; | |
4106 | ||
4107 | } | |
4108 | ||
4109 | static int get_param_value(char *buf, int buf_size, | |
4110 | const char *tag, const char *str) | |
4111 | { | |
4112 | const char *p; | |
4113 | char *q; | |
4114 | char option[128]; | |
4115 | ||
4116 | p = str; | |
4117 | for(;;) { | |
4118 | q = option; | |
4119 | while (*p != '\0' && *p != '=') { | |
4120 | if ((q - option) < sizeof(option) - 1) | |
4121 | *q++ = *p; | |
4122 | p++; | |
4123 | } | |
4124 | *q = '\0'; | |
4125 | if (*p != '=') | |
4126 | break; | |
4127 | p++; | |
4128 | if (!strcmp(tag, option)) { | |
4129 | q = buf; | |
4130 | while (*p != '\0' && *p != ',') { | |
4131 | if ((q - buf) < buf_size - 1) | |
4132 | *q++ = *p; | |
4133 | p++; | |
4134 | } | |
4135 | *q = '\0'; | |
4136 | return q - buf; | |
4137 | } else { | |
4138 | while (*p != '\0' && *p != ',') { | |
4139 | p++; | |
4140 | } | |
4141 | } | |
4142 | if (*p != ',') | |
4143 | break; | |
4144 | p++; | |
4145 | } | |
4146 | return 0; | |
4147 | } | |
4148 | ||
4149 | static int net_client_init(const char *str) | |
4150 | { | |
4151 | const char *p; | |
4152 | char *q; | |
4153 | char device[64]; | |
4154 | char buf[1024]; | |
4155 | int vlan_id, ret; | |
4156 | VLANState *vlan; | |
4157 | ||
4158 | p = str; | |
4159 | q = device; | |
4160 | while (*p != '\0' && *p != ',') { | |
4161 | if ((q - device) < sizeof(device) - 1) | |
4162 | *q++ = *p; | |
4163 | p++; | |
4164 | } | |
4165 | *q = '\0'; | |
4166 | if (*p == ',') | |
4167 | p++; | |
4168 | vlan_id = 0; | |
4169 | if (get_param_value(buf, sizeof(buf), "vlan", p)) { | |
4170 | vlan_id = strtol(buf, NULL, 0); | |
4171 | } | |
4172 | vlan = qemu_find_vlan(vlan_id); | |
4173 | if (!vlan) { | |
4174 | fprintf(stderr, "Could not create vlan %d\n", vlan_id); | |
4175 | return -1; | |
4176 | } | |
4177 | if (!strcmp(device, "nic")) { | |
4178 | NICInfo *nd; | |
4179 | uint8_t *macaddr; | |
4180 | ||
4181 | if (nb_nics >= MAX_NICS) { | |
4182 | fprintf(stderr, "Too Many NICs\n"); | |
4183 | return -1; | |
4184 | } | |
4185 | nd = &nd_table[nb_nics]; | |
4186 | macaddr = nd->macaddr; | |
4187 | macaddr[0] = 0x52; | |
4188 | macaddr[1] = 0x54; | |
4189 | macaddr[2] = 0x00; | |
4190 | macaddr[3] = 0x12; | |
4191 | macaddr[4] = 0x34; | |
4192 | macaddr[5] = 0x56 + nb_nics; | |
4193 | ||
4194 | if (get_param_value(buf, sizeof(buf), "macaddr", p)) { | |
4195 | if (parse_macaddr(macaddr, buf) < 0) { | |
4196 | fprintf(stderr, "invalid syntax for ethernet address\n"); | |
4197 | return -1; | |
4198 | } | |
4199 | } | |
4200 | if (get_param_value(buf, sizeof(buf), "model", p)) { | |
4201 | nd->model = strdup(buf); | |
4202 | } | |
4203 | nd->vlan = vlan; | |
4204 | nb_nics++; | |
4205 | vlan->nb_guest_devs++; | |
4206 | ret = 0; | |
4207 | } else | |
4208 | if (!strcmp(device, "none")) { | |
4209 | /* does nothing. It is needed to signal that no network cards | |
4210 | are wanted */ | |
4211 | ret = 0; | |
4212 | } else | |
4213 | #ifdef CONFIG_SLIRP | |
4214 | if (!strcmp(device, "user")) { | |
4215 | if (get_param_value(buf, sizeof(buf), "hostname", p)) { | |
4216 | pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); | |
4217 | } | |
4218 | vlan->nb_host_devs++; | |
4219 | ret = net_slirp_init(vlan); | |
4220 | } else | |
4221 | #endif | |
4222 | #ifdef _WIN32 | |
4223 | if (!strcmp(device, "tap")) { | |
4224 | char ifname[64]; | |
4225 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
4226 | fprintf(stderr, "tap: no interface name\n"); | |
4227 | return -1; | |
4228 | } | |
4229 | vlan->nb_host_devs++; | |
4230 | ret = tap_win32_init(vlan, ifname); | |
4231 | } else | |
4232 | #else | |
4233 | if (!strcmp(device, "tap")) { | |
4234 | char ifname[64]; | |
4235 | char setup_script[1024]; | |
4236 | int fd; | |
4237 | vlan->nb_host_devs++; | |
4238 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
4239 | fd = strtol(buf, NULL, 0); | |
4240 | ret = -1; | |
4241 | if (net_tap_fd_init(vlan, fd)) | |
4242 | ret = 0; | |
4243 | } else { | |
4244 | if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { | |
4245 | ifname[0] = '\0'; | |
4246 | } | |
4247 | if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { | |
4248 | pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); | |
4249 | } | |
4250 | ret = net_tap_init(vlan, ifname, setup_script); | |
4251 | } | |
4252 | } else | |
4253 | #endif | |
4254 | if (!strcmp(device, "socket")) { | |
4255 | if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { | |
4256 | int fd; | |
4257 | fd = strtol(buf, NULL, 0); | |
4258 | ret = -1; | |
4259 | if (net_socket_fd_init(vlan, fd, 1)) | |
4260 | ret = 0; | |
4261 | } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { | |
4262 | ret = net_socket_listen_init(vlan, buf); | |
4263 | } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { | |
4264 | ret = net_socket_connect_init(vlan, buf); | |
4265 | } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { | |
4266 | ret = net_socket_mcast_init(vlan, buf); | |
4267 | } else { | |
4268 | fprintf(stderr, "Unknown socket options: %s\n", p); | |
4269 | return -1; | |
4270 | } | |
4271 | vlan->nb_host_devs++; | |
4272 | } else | |
4273 | { | |
4274 | fprintf(stderr, "Unknown network device: %s\n", device); | |
4275 | return -1; | |
4276 | } | |
4277 | if (ret < 0) { | |
4278 | fprintf(stderr, "Could not initialize device '%s'\n", device); | |
4279 | } | |
4280 | ||
4281 | return ret; | |
4282 | } | |
4283 | ||
4284 | void do_info_network(void) | |
4285 | { | |
4286 | VLANState *vlan; | |
4287 | VLANClientState *vc; | |
4288 | ||
4289 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
4290 | term_printf("VLAN %d devices:\n", vlan->id); | |
4291 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) | |
4292 | term_printf(" %s\n", vc->info_str); | |
4293 | } | |
4294 | } | |
4295 | ||
4296 | /***********************************************************/ | |
4297 | /* USB devices */ | |
4298 | ||
4299 | static USBPort *used_usb_ports; | |
4300 | static USBPort *free_usb_ports; | |
4301 | ||
4302 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
4303 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
4304 | usb_attachfn attach) | |
4305 | { | |
4306 | port->opaque = opaque; | |
4307 | port->index = index; | |
4308 | port->attach = attach; | |
4309 | port->next = free_usb_ports; | |
4310 | free_usb_ports = port; | |
4311 | } | |
4312 | ||
4313 | static int usb_device_add(const char *devname) | |
4314 | { | |
4315 | const char *p; | |
4316 | USBDevice *dev; | |
4317 | USBPort *port; | |
4318 | ||
4319 | if (!free_usb_ports) | |
4320 | return -1; | |
4321 | ||
4322 | if (strstart(devname, "host:", &p)) { | |
4323 | dev = usb_host_device_open(p); | |
4324 | } else if (!strcmp(devname, "mouse")) { | |
4325 | dev = usb_mouse_init(); | |
4326 | } else if (!strcmp(devname, "tablet")) { | |
4327 | dev = usb_tablet_init(); | |
4328 | } else if (!strcmp(devname, "keyboard")) { | |
4329 | dev = usb_keyboard_init(); | |
4330 | } else if (strstart(devname, "disk:", &p)) { | |
4331 | dev = usb_msd_init(p); | |
4332 | } else if (!strcmp(devname, "wacom-tablet")) { | |
4333 | dev = usb_wacom_init(); | |
4334 | } else { | |
4335 | return -1; | |
4336 | } | |
4337 | if (!dev) | |
4338 | return -1; | |
4339 | ||
4340 | /* Find a USB port to add the device to. */ | |
4341 | port = free_usb_ports; | |
4342 | if (!port->next) { | |
4343 | USBDevice *hub; | |
4344 | ||
4345 | /* Create a new hub and chain it on. */ | |
4346 | free_usb_ports = NULL; | |
4347 | port->next = used_usb_ports; | |
4348 | used_usb_ports = port; | |
4349 | ||
4350 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
4351 | usb_attach(port, hub); | |
4352 | port = free_usb_ports; | |
4353 | } | |
4354 | ||
4355 | free_usb_ports = port->next; | |
4356 | port->next = used_usb_ports; | |
4357 | used_usb_ports = port; | |
4358 | usb_attach(port, dev); | |
4359 | return 0; | |
4360 | } | |
4361 | ||
4362 | static int usb_device_del(const char *devname) | |
4363 | { | |
4364 | USBPort *port; | |
4365 | USBPort **lastp; | |
4366 | USBDevice *dev; | |
4367 | int bus_num, addr; | |
4368 | const char *p; | |
4369 | ||
4370 | if (!used_usb_ports) | |
4371 | return -1; | |
4372 | ||
4373 | p = strchr(devname, '.'); | |
4374 | if (!p) | |
4375 | return -1; | |
4376 | bus_num = strtoul(devname, NULL, 0); | |
4377 | addr = strtoul(p + 1, NULL, 0); | |
4378 | if (bus_num != 0) | |
4379 | return -1; | |
4380 | ||
4381 | lastp = &used_usb_ports; | |
4382 | port = used_usb_ports; | |
4383 | while (port && port->dev->addr != addr) { | |
4384 | lastp = &port->next; | |
4385 | port = port->next; | |
4386 | } | |
4387 | ||
4388 | if (!port) | |
4389 | return -1; | |
4390 | ||
4391 | dev = port->dev; | |
4392 | *lastp = port->next; | |
4393 | usb_attach(port, NULL); | |
4394 | dev->handle_destroy(dev); | |
4395 | port->next = free_usb_ports; | |
4396 | free_usb_ports = port; | |
4397 | return 0; | |
4398 | } | |
4399 | ||
4400 | void do_usb_add(const char *devname) | |
4401 | { | |
4402 | int ret; | |
4403 | ret = usb_device_add(devname); | |
4404 | if (ret < 0) | |
4405 | term_printf("Could not add USB device '%s'\n", devname); | |
4406 | } | |
4407 | ||
4408 | void do_usb_del(const char *devname) | |
4409 | { | |
4410 | int ret; | |
4411 | ret = usb_device_del(devname); | |
4412 | if (ret < 0) | |
4413 | term_printf("Could not remove USB device '%s'\n", devname); | |
4414 | } | |
4415 | ||
4416 | void usb_info(void) | |
4417 | { | |
4418 | USBDevice *dev; | |
4419 | USBPort *port; | |
4420 | const char *speed_str; | |
4421 | ||
4422 | if (!usb_enabled) { | |
4423 | term_printf("USB support not enabled\n"); | |
4424 | return; | |
4425 | } | |
4426 | ||
4427 | for (port = used_usb_ports; port; port = port->next) { | |
4428 | dev = port->dev; | |
4429 | if (!dev) | |
4430 | continue; | |
4431 | switch(dev->speed) { | |
4432 | case USB_SPEED_LOW: | |
4433 | speed_str = "1.5"; | |
4434 | break; | |
4435 | case USB_SPEED_FULL: | |
4436 | speed_str = "12"; | |
4437 | break; | |
4438 | case USB_SPEED_HIGH: | |
4439 | speed_str = "480"; | |
4440 | break; | |
4441 | default: | |
4442 | speed_str = "?"; | |
4443 | break; | |
4444 | } | |
4445 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
4446 | 0, dev->addr, speed_str, dev->devname); | |
4447 | } | |
4448 | } | |
4449 | ||
4450 | /***********************************************************/ | |
4451 | /* PCMCIA/Cardbus */ | |
4452 | ||
4453 | static struct pcmcia_socket_entry_s { | |
4454 | struct pcmcia_socket_s *socket; | |
4455 | struct pcmcia_socket_entry_s *next; | |
4456 | } *pcmcia_sockets = 0; | |
4457 | ||
4458 | void pcmcia_socket_register(struct pcmcia_socket_s *socket) | |
4459 | { | |
4460 | struct pcmcia_socket_entry_s *entry; | |
4461 | ||
4462 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
4463 | entry->socket = socket; | |
4464 | entry->next = pcmcia_sockets; | |
4465 | pcmcia_sockets = entry; | |
4466 | } | |
4467 | ||
4468 | void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) | |
4469 | { | |
4470 | struct pcmcia_socket_entry_s *entry, **ptr; | |
4471 | ||
4472 | ptr = &pcmcia_sockets; | |
4473 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
4474 | if (entry->socket == socket) { | |
4475 | *ptr = entry->next; | |
4476 | qemu_free(entry); | |
4477 | } | |
4478 | } | |
4479 | ||
4480 | void pcmcia_info(void) | |
4481 | { | |
4482 | struct pcmcia_socket_entry_s *iter; | |
4483 | if (!pcmcia_sockets) | |
4484 | term_printf("No PCMCIA sockets\n"); | |
4485 | ||
4486 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
4487 | term_printf("%s: %s\n", iter->socket->slot_string, | |
4488 | iter->socket->attached ? iter->socket->card_string : | |
4489 | "Empty"); | |
4490 | } | |
4491 | ||
4492 | /***********************************************************/ | |
4493 | /* dumb display */ | |
4494 | ||
4495 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
4496 | { | |
4497 | } | |
4498 | ||
4499 | static void dumb_resize(DisplayState *ds, int w, int h) | |
4500 | { | |
4501 | } | |
4502 | ||
4503 | static void dumb_refresh(DisplayState *ds) | |
4504 | { | |
4505 | #if defined(CONFIG_SDL) | |
4506 | vga_hw_update(); | |
4507 | #endif | |
4508 | } | |
4509 | ||
4510 | static void dumb_display_init(DisplayState *ds) | |
4511 | { | |
4512 | ds->data = NULL; | |
4513 | ds->linesize = 0; | |
4514 | ds->depth = 0; | |
4515 | ds->dpy_update = dumb_update; | |
4516 | ds->dpy_resize = dumb_resize; | |
4517 | ds->dpy_refresh = dumb_refresh; | |
4518 | } | |
4519 | ||
4520 | /***********************************************************/ | |
4521 | /* I/O handling */ | |
4522 | ||
4523 | #define MAX_IO_HANDLERS 64 | |
4524 | ||
4525 | typedef struct IOHandlerRecord { | |
4526 | int fd; | |
4527 | IOCanRWHandler *fd_read_poll; | |
4528 | IOHandler *fd_read; | |
4529 | IOHandler *fd_write; | |
4530 | int deleted; | |
4531 | void *opaque; | |
4532 | /* temporary data */ | |
4533 | struct pollfd *ufd; | |
4534 | struct IOHandlerRecord *next; | |
4535 | } IOHandlerRecord; | |
4536 | ||
4537 | static IOHandlerRecord *first_io_handler; | |
4538 | ||
4539 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
4540 | necessary in the character devices to suppress fd_can_read(). */ | |
4541 | int qemu_set_fd_handler2(int fd, | |
4542 | IOCanRWHandler *fd_read_poll, | |
4543 | IOHandler *fd_read, | |
4544 | IOHandler *fd_write, | |
4545 | void *opaque) | |
4546 | { | |
4547 | IOHandlerRecord **pioh, *ioh; | |
4548 | ||
4549 | if (!fd_read && !fd_write) { | |
4550 | pioh = &first_io_handler; | |
4551 | for(;;) { | |
4552 | ioh = *pioh; | |
4553 | if (ioh == NULL) | |
4554 | break; | |
4555 | if (ioh->fd == fd) { | |
4556 | ioh->deleted = 1; | |
4557 | break; | |
4558 | } | |
4559 | pioh = &ioh->next; | |
4560 | } | |
4561 | } else { | |
4562 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
4563 | if (ioh->fd == fd) | |
4564 | goto found; | |
4565 | } | |
4566 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
4567 | if (!ioh) | |
4568 | return -1; | |
4569 | ioh->next = first_io_handler; | |
4570 | first_io_handler = ioh; | |
4571 | found: | |
4572 | ioh->fd = fd; | |
4573 | ioh->fd_read_poll = fd_read_poll; | |
4574 | ioh->fd_read = fd_read; | |
4575 | ioh->fd_write = fd_write; | |
4576 | ioh->opaque = opaque; | |
4577 | ioh->deleted = 0; | |
4578 | } | |
4579 | return 0; | |
4580 | } | |
4581 | ||
4582 | int qemu_set_fd_handler(int fd, | |
4583 | IOHandler *fd_read, | |
4584 | IOHandler *fd_write, | |
4585 | void *opaque) | |
4586 | { | |
4587 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
4588 | } | |
4589 | ||
4590 | /***********************************************************/ | |
4591 | /* Polling handling */ | |
4592 | ||
4593 | typedef struct PollingEntry { | |
4594 | PollingFunc *func; | |
4595 | void *opaque; | |
4596 | struct PollingEntry *next; | |
4597 | } PollingEntry; | |
4598 | ||
4599 | static PollingEntry *first_polling_entry; | |
4600 | ||
4601 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
4602 | { | |
4603 | PollingEntry **ppe, *pe; | |
4604 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
4605 | if (!pe) | |
4606 | return -1; | |
4607 | pe->func = func; | |
4608 | pe->opaque = opaque; | |
4609 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
4610 | *ppe = pe; | |
4611 | return 0; | |
4612 | } | |
4613 | ||
4614 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
4615 | { | |
4616 | PollingEntry **ppe, *pe; | |
4617 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
4618 | pe = *ppe; | |
4619 | if (pe->func == func && pe->opaque == opaque) { | |
4620 | *ppe = pe->next; | |
4621 | qemu_free(pe); | |
4622 | break; | |
4623 | } | |
4624 | } | |
4625 | } | |
4626 | ||
4627 | #ifdef _WIN32 | |
4628 | /***********************************************************/ | |
4629 | /* Wait objects support */ | |
4630 | typedef struct WaitObjects { | |
4631 | int num; | |
4632 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
4633 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
4634 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
4635 | } WaitObjects; | |
4636 | ||
4637 | static WaitObjects wait_objects = {0}; | |
4638 | ||
4639 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4640 | { | |
4641 | WaitObjects *w = &wait_objects; | |
4642 | ||
4643 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
4644 | return -1; | |
4645 | w->events[w->num] = handle; | |
4646 | w->func[w->num] = func; | |
4647 | w->opaque[w->num] = opaque; | |
4648 | w->num++; | |
4649 | return 0; | |
4650 | } | |
4651 | ||
4652 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
4653 | { | |
4654 | int i, found; | |
4655 | WaitObjects *w = &wait_objects; | |
4656 | ||
4657 | found = 0; | |
4658 | for (i = 0; i < w->num; i++) { | |
4659 | if (w->events[i] == handle) | |
4660 | found = 1; | |
4661 | if (found) { | |
4662 | w->events[i] = w->events[i + 1]; | |
4663 | w->func[i] = w->func[i + 1]; | |
4664 | w->opaque[i] = w->opaque[i + 1]; | |
4665 | } | |
4666 | } | |
4667 | if (found) | |
4668 | w->num--; | |
4669 | } | |
4670 | #endif | |
4671 | ||
4672 | /***********************************************************/ | |
4673 | /* savevm/loadvm support */ | |
4674 | ||
4675 | #define IO_BUF_SIZE 32768 | |
4676 | ||
4677 | struct QEMUFile { | |
4678 | FILE *outfile; | |
4679 | BlockDriverState *bs; | |
4680 | int is_file; | |
4681 | int is_writable; | |
4682 | int64_t base_offset; | |
4683 | int64_t buf_offset; /* start of buffer when writing, end of buffer | |
4684 | when reading */ | |
4685 | int buf_index; | |
4686 | int buf_size; /* 0 when writing */ | |
4687 | uint8_t buf[IO_BUF_SIZE]; | |
4688 | }; | |
4689 | ||
4690 | QEMUFile *qemu_fopen(const char *filename, const char *mode) | |
4691 | { | |
4692 | QEMUFile *f; | |
4693 | ||
4694 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4695 | if (!f) | |
4696 | return NULL; | |
4697 | if (!strcmp(mode, "wb")) { | |
4698 | f->is_writable = 1; | |
4699 | } else if (!strcmp(mode, "rb")) { | |
4700 | f->is_writable = 0; | |
4701 | } else { | |
4702 | goto fail; | |
4703 | } | |
4704 | f->outfile = fopen(filename, mode); | |
4705 | if (!f->outfile) | |
4706 | goto fail; | |
4707 | f->is_file = 1; | |
4708 | return f; | |
4709 | fail: | |
4710 | if (f->outfile) | |
4711 | fclose(f->outfile); | |
4712 | qemu_free(f); | |
4713 | return NULL; | |
4714 | } | |
4715 | ||
4716 | QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) | |
4717 | { | |
4718 | QEMUFile *f; | |
4719 | ||
4720 | f = qemu_mallocz(sizeof(QEMUFile)); | |
4721 | if (!f) | |
4722 | return NULL; | |
4723 | f->is_file = 0; | |
4724 | f->bs = bs; | |
4725 | f->is_writable = is_writable; | |
4726 | f->base_offset = offset; | |
4727 | return f; | |
4728 | } | |
4729 | ||
4730 | void qemu_fflush(QEMUFile *f) | |
4731 | { | |
4732 | if (!f->is_writable) | |
4733 | return; | |
4734 | if (f->buf_index > 0) { | |
4735 | if (f->is_file) { | |
4736 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4737 | fwrite(f->buf, 1, f->buf_index, f->outfile); | |
4738 | } else { | |
4739 | bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, | |
4740 | f->buf, f->buf_index); | |
4741 | } | |
4742 | f->buf_offset += f->buf_index; | |
4743 | f->buf_index = 0; | |
4744 | } | |
4745 | } | |
4746 | ||
4747 | static void qemu_fill_buffer(QEMUFile *f) | |
4748 | { | |
4749 | int len; | |
4750 | ||
4751 | if (f->is_writable) | |
4752 | return; | |
4753 | if (f->is_file) { | |
4754 | fseek(f->outfile, f->buf_offset, SEEK_SET); | |
4755 | len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile); | |
4756 | if (len < 0) | |
4757 | len = 0; | |
4758 | } else { | |
4759 | len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, | |
4760 | f->buf, IO_BUF_SIZE); | |
4761 | if (len < 0) | |
4762 | len = 0; | |
4763 | } | |
4764 | f->buf_index = 0; | |
4765 | f->buf_size = len; | |
4766 | f->buf_offset += len; | |
4767 | } | |
4768 | ||
4769 | void qemu_fclose(QEMUFile *f) | |
4770 | { | |
4771 | if (f->is_writable) | |
4772 | qemu_fflush(f); | |
4773 | if (f->is_file) { | |
4774 | fclose(f->outfile); | |
4775 | } | |
4776 | qemu_free(f); | |
4777 | } | |
4778 | ||
4779 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
4780 | { | |
4781 | int l; | |
4782 | while (size > 0) { | |
4783 | l = IO_BUF_SIZE - f->buf_index; | |
4784 | if (l > size) | |
4785 | l = size; | |
4786 | memcpy(f->buf + f->buf_index, buf, l); | |
4787 | f->buf_index += l; | |
4788 | buf += l; | |
4789 | size -= l; | |
4790 | if (f->buf_index >= IO_BUF_SIZE) | |
4791 | qemu_fflush(f); | |
4792 | } | |
4793 | } | |
4794 | ||
4795 | void qemu_put_byte(QEMUFile *f, int v) | |
4796 | { | |
4797 | f->buf[f->buf_index++] = v; | |
4798 | if (f->buf_index >= IO_BUF_SIZE) | |
4799 | qemu_fflush(f); | |
4800 | } | |
4801 | ||
4802 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) | |
4803 | { | |
4804 | int size, l; | |
4805 | ||
4806 | size = size1; | |
4807 | while (size > 0) { | |
4808 | l = f->buf_size - f->buf_index; | |
4809 | if (l == 0) { | |
4810 | qemu_fill_buffer(f); | |
4811 | l = f->buf_size - f->buf_index; | |
4812 | if (l == 0) | |
4813 | break; | |
4814 | } | |
4815 | if (l > size) | |
4816 | l = size; | |
4817 | memcpy(buf, f->buf + f->buf_index, l); | |
4818 | f->buf_index += l; | |
4819 | buf += l; | |
4820 | size -= l; | |
4821 | } | |
4822 | return size1 - size; | |
4823 | } | |
4824 | ||
4825 | int qemu_get_byte(QEMUFile *f) | |
4826 | { | |
4827 | if (f->buf_index >= f->buf_size) { | |
4828 | qemu_fill_buffer(f); | |
4829 | if (f->buf_index >= f->buf_size) | |
4830 | return 0; | |
4831 | } | |
4832 | return f->buf[f->buf_index++]; | |
4833 | } | |
4834 | ||
4835 | int64_t qemu_ftell(QEMUFile *f) | |
4836 | { | |
4837 | return f->buf_offset - f->buf_size + f->buf_index; | |
4838 | } | |
4839 | ||
4840 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
4841 | { | |
4842 | if (whence == SEEK_SET) { | |
4843 | /* nothing to do */ | |
4844 | } else if (whence == SEEK_CUR) { | |
4845 | pos += qemu_ftell(f); | |
4846 | } else { | |
4847 | /* SEEK_END not supported */ | |
4848 | return -1; | |
4849 | } | |
4850 | if (f->is_writable) { | |
4851 | qemu_fflush(f); | |
4852 | f->buf_offset = pos; | |
4853 | } else { | |
4854 | f->buf_offset = pos; | |
4855 | f->buf_index = 0; | |
4856 | f->buf_size = 0; | |
4857 | } | |
4858 | return pos; | |
4859 | } | |
4860 | ||
4861 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
4862 | { | |
4863 | qemu_put_byte(f, v >> 8); | |
4864 | qemu_put_byte(f, v); | |
4865 | } | |
4866 | ||
4867 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
4868 | { | |
4869 | qemu_put_byte(f, v >> 24); | |
4870 | qemu_put_byte(f, v >> 16); | |
4871 | qemu_put_byte(f, v >> 8); | |
4872 | qemu_put_byte(f, v); | |
4873 | } | |
4874 | ||
4875 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
4876 | { | |
4877 | qemu_put_be32(f, v >> 32); | |
4878 | qemu_put_be32(f, v); | |
4879 | } | |
4880 | ||
4881 | unsigned int qemu_get_be16(QEMUFile *f) | |
4882 | { | |
4883 | unsigned int v; | |
4884 | v = qemu_get_byte(f) << 8; | |
4885 | v |= qemu_get_byte(f); | |
4886 | return v; | |
4887 | } | |
4888 | ||
4889 | unsigned int qemu_get_be32(QEMUFile *f) | |
4890 | { | |
4891 | unsigned int v; | |
4892 | v = qemu_get_byte(f) << 24; | |
4893 | v |= qemu_get_byte(f) << 16; | |
4894 | v |= qemu_get_byte(f) << 8; | |
4895 | v |= qemu_get_byte(f); | |
4896 | return v; | |
4897 | } | |
4898 | ||
4899 | uint64_t qemu_get_be64(QEMUFile *f) | |
4900 | { | |
4901 | uint64_t v; | |
4902 | v = (uint64_t)qemu_get_be32(f) << 32; | |
4903 | v |= qemu_get_be32(f); | |
4904 | return v; | |
4905 | } | |
4906 | ||
4907 | typedef struct SaveStateEntry { | |
4908 | char idstr[256]; | |
4909 | int instance_id; | |
4910 | int version_id; | |
4911 | SaveStateHandler *save_state; | |
4912 | LoadStateHandler *load_state; | |
4913 | void *opaque; | |
4914 | struct SaveStateEntry *next; | |
4915 | } SaveStateEntry; | |
4916 | ||
4917 | static SaveStateEntry *first_se; | |
4918 | ||
4919 | int register_savevm(const char *idstr, | |
4920 | int instance_id, | |
4921 | int version_id, | |
4922 | SaveStateHandler *save_state, | |
4923 | LoadStateHandler *load_state, | |
4924 | void *opaque) | |
4925 | { | |
4926 | SaveStateEntry *se, **pse; | |
4927 | ||
4928 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
4929 | if (!se) | |
4930 | return -1; | |
4931 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
4932 | se->instance_id = instance_id; | |
4933 | se->version_id = version_id; | |
4934 | se->save_state = save_state; | |
4935 | se->load_state = load_state; | |
4936 | se->opaque = opaque; | |
4937 | se->next = NULL; | |
4938 | ||
4939 | /* add at the end of list */ | |
4940 | pse = &first_se; | |
4941 | while (*pse != NULL) | |
4942 | pse = &(*pse)->next; | |
4943 | *pse = se; | |
4944 | return 0; | |
4945 | } | |
4946 | ||
4947 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
4948 | #define QEMU_VM_FILE_VERSION 0x00000002 | |
4949 | ||
4950 | int qemu_savevm_state(QEMUFile *f) | |
4951 | { | |
4952 | SaveStateEntry *se; | |
4953 | int len, ret; | |
4954 | int64_t cur_pos, len_pos, total_len_pos; | |
4955 | ||
4956 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
4957 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
4958 | total_len_pos = qemu_ftell(f); | |
4959 | qemu_put_be64(f, 0); /* total size */ | |
4960 | ||
4961 | for(se = first_se; se != NULL; se = se->next) { | |
4962 | /* ID string */ | |
4963 | len = strlen(se->idstr); | |
4964 | qemu_put_byte(f, len); | |
4965 | qemu_put_buffer(f, se->idstr, len); | |
4966 | ||
4967 | qemu_put_be32(f, se->instance_id); | |
4968 | qemu_put_be32(f, se->version_id); | |
4969 | ||
4970 | /* record size: filled later */ | |
4971 | len_pos = qemu_ftell(f); | |
4972 | qemu_put_be32(f, 0); | |
4973 | ||
4974 | se->save_state(f, se->opaque); | |
4975 | ||
4976 | /* fill record size */ | |
4977 | cur_pos = qemu_ftell(f); | |
4978 | len = cur_pos - len_pos - 4; | |
4979 | qemu_fseek(f, len_pos, SEEK_SET); | |
4980 | qemu_put_be32(f, len); | |
4981 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4982 | } | |
4983 | cur_pos = qemu_ftell(f); | |
4984 | qemu_fseek(f, total_len_pos, SEEK_SET); | |
4985 | qemu_put_be64(f, cur_pos - total_len_pos - 8); | |
4986 | qemu_fseek(f, cur_pos, SEEK_SET); | |
4987 | ||
4988 | ret = 0; | |
4989 | return ret; | |
4990 | } | |
4991 | ||
4992 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
4993 | { | |
4994 | SaveStateEntry *se; | |
4995 | ||
4996 | for(se = first_se; se != NULL; se = se->next) { | |
4997 | if (!strcmp(se->idstr, idstr) && | |
4998 | instance_id == se->instance_id) | |
4999 | return se; | |
5000 | } | |
5001 | return NULL; | |
5002 | } | |
5003 | ||
5004 | int qemu_loadvm_state(QEMUFile *f) | |
5005 | { | |
5006 | SaveStateEntry *se; | |
5007 | int len, ret, instance_id, record_len, version_id; | |
5008 | int64_t total_len, end_pos, cur_pos; | |
5009 | unsigned int v; | |
5010 | char idstr[256]; | |
5011 | ||
5012 | v = qemu_get_be32(f); | |
5013 | if (v != QEMU_VM_FILE_MAGIC) | |
5014 | goto fail; | |
5015 | v = qemu_get_be32(f); | |
5016 | if (v != QEMU_VM_FILE_VERSION) { | |
5017 | fail: | |
5018 | ret = -1; | |
5019 | goto the_end; | |
5020 | } | |
5021 | total_len = qemu_get_be64(f); | |
5022 | end_pos = total_len + qemu_ftell(f); | |
5023 | for(;;) { | |
5024 | if (qemu_ftell(f) >= end_pos) | |
5025 | break; | |
5026 | len = qemu_get_byte(f); | |
5027 | qemu_get_buffer(f, idstr, len); | |
5028 | idstr[len] = '\0'; | |
5029 | instance_id = qemu_get_be32(f); | |
5030 | version_id = qemu_get_be32(f); | |
5031 | record_len = qemu_get_be32(f); | |
5032 | #if 0 | |
5033 | printf("idstr=%s instance=0x%x version=%d len=%d\n", | |
5034 | idstr, instance_id, version_id, record_len); | |
5035 | #endif | |
5036 | cur_pos = qemu_ftell(f); | |
5037 | se = find_se(idstr, instance_id); | |
5038 | if (!se) { | |
5039 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
5040 | instance_id, idstr); | |
5041 | } else { | |
5042 | ret = se->load_state(f, se->opaque, version_id); | |
5043 | if (ret < 0) { | |
5044 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
5045 | instance_id, idstr); | |
5046 | } | |
5047 | } | |
5048 | /* always seek to exact end of record */ | |
5049 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
5050 | } | |
5051 | ret = 0; | |
5052 | the_end: | |
5053 | return ret; | |
5054 | } | |
5055 | ||
5056 | /* device can contain snapshots */ | |
5057 | static int bdrv_can_snapshot(BlockDriverState *bs) | |
5058 | { | |
5059 | return (bs && | |
5060 | !bdrv_is_removable(bs) && | |
5061 | !bdrv_is_read_only(bs)); | |
5062 | } | |
5063 | ||
5064 | /* device must be snapshots in order to have a reliable snapshot */ | |
5065 | static int bdrv_has_snapshot(BlockDriverState *bs) | |
5066 | { | |
5067 | return (bs && | |
5068 | !bdrv_is_removable(bs) && | |
5069 | !bdrv_is_read_only(bs)); | |
5070 | } | |
5071 | ||
5072 | static BlockDriverState *get_bs_snapshots(void) | |
5073 | { | |
5074 | BlockDriverState *bs; | |
5075 | int i; | |
5076 | ||
5077 | if (bs_snapshots) | |
5078 | return bs_snapshots; | |
5079 | for(i = 0; i <= MAX_DISKS; i++) { | |
5080 | bs = bs_table[i]; | |
5081 | if (bdrv_can_snapshot(bs)) | |
5082 | goto ok; | |
5083 | } | |
5084 | return NULL; | |
5085 | ok: | |
5086 | bs_snapshots = bs; | |
5087 | return bs; | |
5088 | } | |
5089 | ||
5090 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
5091 | const char *name) | |
5092 | { | |
5093 | QEMUSnapshotInfo *sn_tab, *sn; | |
5094 | int nb_sns, i, ret; | |
5095 | ||
5096 | ret = -ENOENT; | |
5097 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
5098 | if (nb_sns < 0) | |
5099 | return ret; | |
5100 | for(i = 0; i < nb_sns; i++) { | |
5101 | sn = &sn_tab[i]; | |
5102 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { | |
5103 | *sn_info = *sn; | |
5104 | ret = 0; | |
5105 | break; | |
5106 | } | |
5107 | } | |
5108 | qemu_free(sn_tab); | |
5109 | return ret; | |
5110 | } | |
5111 | ||
5112 | void do_savevm(const char *name) | |
5113 | { | |
5114 | BlockDriverState *bs, *bs1; | |
5115 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; | |
5116 | int must_delete, ret, i; | |
5117 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
5118 | QEMUFile *f; | |
5119 | int saved_vm_running; | |
5120 | #ifdef _WIN32 | |
5121 | struct _timeb tb; | |
5122 | #else | |
5123 | struct timeval tv; | |
5124 | #endif | |
5125 | ||
5126 | bs = get_bs_snapshots(); | |
5127 | if (!bs) { | |
5128 | term_printf("No block device can accept snapshots\n"); | |
5129 | return; | |
5130 | } | |
5131 | ||
5132 | /* ??? Should this occur after vm_stop? */ | |
5133 | qemu_aio_flush(); | |
5134 | ||
5135 | saved_vm_running = vm_running; | |
5136 | vm_stop(0); | |
5137 | ||
5138 | must_delete = 0; | |
5139 | if (name) { | |
5140 | ret = bdrv_snapshot_find(bs, old_sn, name); | |
5141 | if (ret >= 0) { | |
5142 | must_delete = 1; | |
5143 | } | |
5144 | } | |
5145 | memset(sn, 0, sizeof(*sn)); | |
5146 | if (must_delete) { | |
5147 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); | |
5148 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); | |
5149 | } else { | |
5150 | if (name) | |
5151 | pstrcpy(sn->name, sizeof(sn->name), name); | |
5152 | } | |
5153 | ||
5154 | /* fill auxiliary fields */ | |
5155 | #ifdef _WIN32 | |
5156 | _ftime(&tb); | |
5157 | sn->date_sec = tb.time; | |
5158 | sn->date_nsec = tb.millitm * 1000000; | |
5159 | #else | |
5160 | gettimeofday(&tv, NULL); | |
5161 | sn->date_sec = tv.tv_sec; | |
5162 | sn->date_nsec = tv.tv_usec * 1000; | |
5163 | #endif | |
5164 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); | |
5165 | ||
5166 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
5167 | term_printf("Device %s does not support VM state snapshots\n", | |
5168 | bdrv_get_device_name(bs)); | |
5169 | goto the_end; | |
5170 | } | |
5171 | ||
5172 | /* save the VM state */ | |
5173 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); | |
5174 | if (!f) { | |
5175 | term_printf("Could not open VM state file\n"); | |
5176 | goto the_end; | |
5177 | } | |
5178 | ret = qemu_savevm_state(f); | |
5179 | sn->vm_state_size = qemu_ftell(f); | |
5180 | qemu_fclose(f); | |
5181 | if (ret < 0) { | |
5182 | term_printf("Error %d while writing VM\n", ret); | |
5183 | goto the_end; | |
5184 | } | |
5185 | ||
5186 | /* create the snapshots */ | |
5187 | ||
5188 | for(i = 0; i < MAX_DISKS; i++) { | |
5189 | bs1 = bs_table[i]; | |
5190 | if (bdrv_has_snapshot(bs1)) { | |
5191 | if (must_delete) { | |
5192 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); | |
5193 | if (ret < 0) { | |
5194 | term_printf("Error while deleting snapshot on '%s'\n", | |
5195 | bdrv_get_device_name(bs1)); | |
5196 | } | |
5197 | } | |
5198 | ret = bdrv_snapshot_create(bs1, sn); | |
5199 | if (ret < 0) { | |
5200 | term_printf("Error while creating snapshot on '%s'\n", | |
5201 | bdrv_get_device_name(bs1)); | |
5202 | } | |
5203 | } | |
5204 | } | |
5205 | ||
5206 | the_end: | |
5207 | if (saved_vm_running) | |
5208 | vm_start(); | |
5209 | } | |
5210 | ||
5211 | void do_loadvm(const char *name) | |
5212 | { | |
5213 | BlockDriverState *bs, *bs1; | |
5214 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
5215 | QEMUFile *f; | |
5216 | int i, ret; | |
5217 | int saved_vm_running; | |
5218 | ||
5219 | bs = get_bs_snapshots(); | |
5220 | if (!bs) { | |
5221 | term_printf("No block device supports snapshots\n"); | |
5222 | return; | |
5223 | } | |
5224 | ||
5225 | /* Flush all IO requests so they don't interfere with the new state. */ | |
5226 | qemu_aio_flush(); | |
5227 | ||
5228 | saved_vm_running = vm_running; | |
5229 | vm_stop(0); | |
5230 | ||
5231 | for(i = 0; i <= MAX_DISKS; i++) { | |
5232 | bs1 = bs_table[i]; | |
5233 | if (bdrv_has_snapshot(bs1)) { | |
5234 | ret = bdrv_snapshot_goto(bs1, name); | |
5235 | if (ret < 0) { | |
5236 | if (bs != bs1) | |
5237 | term_printf("Warning: "); | |
5238 | switch(ret) { | |
5239 | case -ENOTSUP: | |
5240 | term_printf("Snapshots not supported on device '%s'\n", | |
5241 | bdrv_get_device_name(bs1)); | |
5242 | break; | |
5243 | case -ENOENT: | |
5244 | term_printf("Could not find snapshot '%s' on device '%s'\n", | |
5245 | name, bdrv_get_device_name(bs1)); | |
5246 | break; | |
5247 | default: | |
5248 | term_printf("Error %d while activating snapshot on '%s'\n", | |
5249 | ret, bdrv_get_device_name(bs1)); | |
5250 | break; | |
5251 | } | |
5252 | /* fatal on snapshot block device */ | |
5253 | if (bs == bs1) | |
5254 | goto the_end; | |
5255 | } | |
5256 | } | |
5257 | } | |
5258 | ||
5259 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
5260 | term_printf("Device %s does not support VM state snapshots\n", | |
5261 | bdrv_get_device_name(bs)); | |
5262 | return; | |
5263 | } | |
5264 | ||
5265 | /* restore the VM state */ | |
5266 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); | |
5267 | if (!f) { | |
5268 | term_printf("Could not open VM state file\n"); | |
5269 | goto the_end; | |
5270 | } | |
5271 | ret = qemu_loadvm_state(f); | |
5272 | qemu_fclose(f); | |
5273 | if (ret < 0) { | |
5274 | term_printf("Error %d while loading VM state\n", ret); | |
5275 | } | |
5276 | the_end: | |
5277 | if (saved_vm_running) | |
5278 | vm_start(); | |
5279 | } | |
5280 | ||
5281 | void do_delvm(const char *name) | |
5282 | { | |
5283 | BlockDriverState *bs, *bs1; | |
5284 | int i, ret; | |
5285 | ||
5286 | bs = get_bs_snapshots(); | |
5287 | if (!bs) { | |
5288 | term_printf("No block device supports snapshots\n"); | |
5289 | return; | |
5290 | } | |
5291 | ||
5292 | for(i = 0; i <= MAX_DISKS; i++) { | |
5293 | bs1 = bs_table[i]; | |
5294 | if (bdrv_has_snapshot(bs1)) { | |
5295 | ret = bdrv_snapshot_delete(bs1, name); | |
5296 | if (ret < 0) { | |
5297 | if (ret == -ENOTSUP) | |
5298 | term_printf("Snapshots not supported on device '%s'\n", | |
5299 | bdrv_get_device_name(bs1)); | |
5300 | else | |
5301 | term_printf("Error %d while deleting snapshot on '%s'\n", | |
5302 | ret, bdrv_get_device_name(bs1)); | |
5303 | } | |
5304 | } | |
5305 | } | |
5306 | } | |
5307 | ||
5308 | void do_info_snapshots(void) | |
5309 | { | |
5310 | BlockDriverState *bs, *bs1; | |
5311 | QEMUSnapshotInfo *sn_tab, *sn; | |
5312 | int nb_sns, i; | |
5313 | char buf[256]; | |
5314 | ||
5315 | bs = get_bs_snapshots(); | |
5316 | if (!bs) { | |
5317 | term_printf("No available block device supports snapshots\n"); | |
5318 | return; | |
5319 | } | |
5320 | term_printf("Snapshot devices:"); | |
5321 | for(i = 0; i <= MAX_DISKS; i++) { | |
5322 | bs1 = bs_table[i]; | |
5323 | if (bdrv_has_snapshot(bs1)) { | |
5324 | if (bs == bs1) | |
5325 | term_printf(" %s", bdrv_get_device_name(bs1)); | |
5326 | } | |
5327 | } | |
5328 | term_printf("\n"); | |
5329 | ||
5330 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
5331 | if (nb_sns < 0) { | |
5332 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); | |
5333 | return; | |
5334 | } | |
5335 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); | |
5336 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
5337 | for(i = 0; i < nb_sns; i++) { | |
5338 | sn = &sn_tab[i]; | |
5339 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
5340 | } | |
5341 | qemu_free(sn_tab); | |
5342 | } | |
5343 | ||
5344 | /***********************************************************/ | |
5345 | /* cpu save/restore */ | |
5346 | ||
5347 | #if defined(TARGET_I386) | |
5348 | ||
5349 | static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) | |
5350 | { | |
5351 | qemu_put_be32(f, dt->selector); | |
5352 | qemu_put_betl(f, dt->base); | |
5353 | qemu_put_be32(f, dt->limit); | |
5354 | qemu_put_be32(f, dt->flags); | |
5355 | } | |
5356 | ||
5357 | static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) | |
5358 | { | |
5359 | dt->selector = qemu_get_be32(f); | |
5360 | dt->base = qemu_get_betl(f); | |
5361 | dt->limit = qemu_get_be32(f); | |
5362 | dt->flags = qemu_get_be32(f); | |
5363 | } | |
5364 | ||
5365 | void cpu_save(QEMUFile *f, void *opaque) | |
5366 | { | |
5367 | CPUState *env = opaque; | |
5368 | uint16_t fptag, fpus, fpuc, fpregs_format; | |
5369 | uint32_t hflags; | |
5370 | int i; | |
5371 | ||
5372 | for(i = 0; i < CPU_NB_REGS; i++) | |
5373 | qemu_put_betls(f, &env->regs[i]); | |
5374 | qemu_put_betls(f, &env->eip); | |
5375 | qemu_put_betls(f, &env->eflags); | |
5376 | hflags = env->hflags; /* XXX: suppress most of the redundant hflags */ | |
5377 | qemu_put_be32s(f, &hflags); | |
5378 | ||
5379 | /* FPU */ | |
5380 | fpuc = env->fpuc; | |
5381 | fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; | |
5382 | fptag = 0; | |
5383 | for(i = 0; i < 8; i++) { | |
5384 | fptag |= ((!env->fptags[i]) << i); | |
5385 | } | |
5386 | ||
5387 | qemu_put_be16s(f, &fpuc); | |
5388 | qemu_put_be16s(f, &fpus); | |
5389 | qemu_put_be16s(f, &fptag); | |
5390 | ||
5391 | #ifdef USE_X86LDOUBLE | |
5392 | fpregs_format = 0; | |
5393 | #else | |
5394 | fpregs_format = 1; | |
5395 | #endif | |
5396 | qemu_put_be16s(f, &fpregs_format); | |
5397 | ||
5398 | for(i = 0; i < 8; i++) { | |
5399 | #ifdef USE_X86LDOUBLE | |
5400 | { | |
5401 | uint64_t mant; | |
5402 | uint16_t exp; | |
5403 | /* we save the real CPU data (in case of MMX usage only 'mant' | |
5404 | contains the MMX register */ | |
5405 | cpu_get_fp80(&mant, &exp, env->fpregs[i].d); | |
5406 | qemu_put_be64(f, mant); | |
5407 | qemu_put_be16(f, exp); | |
5408 | } | |
5409 | #else | |
5410 | /* if we use doubles for float emulation, we save the doubles to | |
5411 | avoid losing information in case of MMX usage. It can give | |
5412 | problems if the image is restored on a CPU where long | |
5413 | doubles are used instead. */ | |
5414 | qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0)); | |
5415 | #endif | |
5416 | } | |
5417 | ||
5418 | for(i = 0; i < 6; i++) | |
5419 | cpu_put_seg(f, &env->segs[i]); | |
5420 | cpu_put_seg(f, &env->ldt); | |
5421 | cpu_put_seg(f, &env->tr); | |
5422 | cpu_put_seg(f, &env->gdt); | |
5423 | cpu_put_seg(f, &env->idt); | |
5424 | ||
5425 | qemu_put_be32s(f, &env->sysenter_cs); | |
5426 | qemu_put_be32s(f, &env->sysenter_esp); | |
5427 | qemu_put_be32s(f, &env->sysenter_eip); | |
5428 | ||
5429 | qemu_put_betls(f, &env->cr[0]); | |
5430 | qemu_put_betls(f, &env->cr[2]); | |
5431 | qemu_put_betls(f, &env->cr[3]); | |
5432 | qemu_put_betls(f, &env->cr[4]); | |
5433 | ||
5434 | for(i = 0; i < 8; i++) | |
5435 | qemu_put_betls(f, &env->dr[i]); | |
5436 | ||
5437 | /* MMU */ | |
5438 | qemu_put_be32s(f, &env->a20_mask); | |
5439 | ||
5440 | /* XMM */ | |
5441 | qemu_put_be32s(f, &env->mxcsr); | |
5442 | for(i = 0; i < CPU_NB_REGS; i++) { | |
5443 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
5444 | qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
5445 | } | |
5446 | ||
5447 | #ifdef TARGET_X86_64 | |
5448 | qemu_put_be64s(f, &env->efer); | |
5449 | qemu_put_be64s(f, &env->star); | |
5450 | qemu_put_be64s(f, &env->lstar); | |
5451 | qemu_put_be64s(f, &env->cstar); | |
5452 | qemu_put_be64s(f, &env->fmask); | |
5453 | qemu_put_be64s(f, &env->kernelgsbase); | |
5454 | #endif | |
5455 | qemu_put_be32s(f, &env->smbase); | |
5456 | } | |
5457 | ||
5458 | #ifdef USE_X86LDOUBLE | |
5459 | /* XXX: add that in a FPU generic layer */ | |
5460 | union x86_longdouble { | |
5461 | uint64_t mant; | |
5462 | uint16_t exp; | |
5463 | }; | |
5464 | ||
5465 | #define MANTD1(fp) (fp & ((1LL << 52) - 1)) | |
5466 | #define EXPBIAS1 1023 | |
5467 | #define EXPD1(fp) ((fp >> 52) & 0x7FF) | |
5468 | #define SIGND1(fp) ((fp >> 32) & 0x80000000) | |
5469 | ||
5470 | static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) | |
5471 | { | |
5472 | int e; | |
5473 | /* mantissa */ | |
5474 | p->mant = (MANTD1(temp) << 11) | (1LL << 63); | |
5475 | /* exponent + sign */ | |
5476 | e = EXPD1(temp) - EXPBIAS1 + 16383; | |
5477 | e |= SIGND1(temp) >> 16; | |
5478 | p->exp = e; | |
5479 | } | |
5480 | #endif | |
5481 | ||
5482 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5483 | { | |
5484 | CPUState *env = opaque; | |
5485 | int i, guess_mmx; | |
5486 | uint32_t hflags; | |
5487 | uint16_t fpus, fpuc, fptag, fpregs_format; | |
5488 | ||
5489 | if (version_id != 3 && version_id != 4) | |
5490 | return -EINVAL; | |
5491 | for(i = 0; i < CPU_NB_REGS; i++) | |
5492 | qemu_get_betls(f, &env->regs[i]); | |
5493 | qemu_get_betls(f, &env->eip); | |
5494 | qemu_get_betls(f, &env->eflags); | |
5495 | qemu_get_be32s(f, &hflags); | |
5496 | ||
5497 | qemu_get_be16s(f, &fpuc); | |
5498 | qemu_get_be16s(f, &fpus); | |
5499 | qemu_get_be16s(f, &fptag); | |
5500 | qemu_get_be16s(f, &fpregs_format); | |
5501 | ||
5502 | /* NOTE: we cannot always restore the FPU state if the image come | |
5503 | from a host with a different 'USE_X86LDOUBLE' define. We guess | |
5504 | if we are in an MMX state to restore correctly in that case. */ | |
5505 | guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); | |
5506 | for(i = 0; i < 8; i++) { | |
5507 | uint64_t mant; | |
5508 | uint16_t exp; | |
5509 | ||
5510 | switch(fpregs_format) { | |
5511 | case 0: | |
5512 | mant = qemu_get_be64(f); | |
5513 | exp = qemu_get_be16(f); | |
5514 | #ifdef USE_X86LDOUBLE | |
5515 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5516 | #else | |
5517 | /* difficult case */ | |
5518 | if (guess_mmx) | |
5519 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5520 | else | |
5521 | env->fpregs[i].d = cpu_set_fp80(mant, exp); | |
5522 | #endif | |
5523 | break; | |
5524 | case 1: | |
5525 | mant = qemu_get_be64(f); | |
5526 | #ifdef USE_X86LDOUBLE | |
5527 | { | |
5528 | union x86_longdouble *p; | |
5529 | /* difficult case */ | |
5530 | p = (void *)&env->fpregs[i]; | |
5531 | if (guess_mmx) { | |
5532 | p->mant = mant; | |
5533 | p->exp = 0xffff; | |
5534 | } else { | |
5535 | fp64_to_fp80(p, mant); | |
5536 | } | |
5537 | } | |
5538 | #else | |
5539 | env->fpregs[i].mmx.MMX_Q(0) = mant; | |
5540 | #endif | |
5541 | break; | |
5542 | default: | |
5543 | return -EINVAL; | |
5544 | } | |
5545 | } | |
5546 | ||
5547 | env->fpuc = fpuc; | |
5548 | /* XXX: restore FPU round state */ | |
5549 | env->fpstt = (fpus >> 11) & 7; | |
5550 | env->fpus = fpus & ~0x3800; | |
5551 | fptag ^= 0xff; | |
5552 | for(i = 0; i < 8; i++) { | |
5553 | env->fptags[i] = (fptag >> i) & 1; | |
5554 | } | |
5555 | ||
5556 | for(i = 0; i < 6; i++) | |
5557 | cpu_get_seg(f, &env->segs[i]); | |
5558 | cpu_get_seg(f, &env->ldt); | |
5559 | cpu_get_seg(f, &env->tr); | |
5560 | cpu_get_seg(f, &env->gdt); | |
5561 | cpu_get_seg(f, &env->idt); | |
5562 | ||
5563 | qemu_get_be32s(f, &env->sysenter_cs); | |
5564 | qemu_get_be32s(f, &env->sysenter_esp); | |
5565 | qemu_get_be32s(f, &env->sysenter_eip); | |
5566 | ||
5567 | qemu_get_betls(f, &env->cr[0]); | |
5568 | qemu_get_betls(f, &env->cr[2]); | |
5569 | qemu_get_betls(f, &env->cr[3]); | |
5570 | qemu_get_betls(f, &env->cr[4]); | |
5571 | ||
5572 | for(i = 0; i < 8; i++) | |
5573 | qemu_get_betls(f, &env->dr[i]); | |
5574 | ||
5575 | /* MMU */ | |
5576 | qemu_get_be32s(f, &env->a20_mask); | |
5577 | ||
5578 | qemu_get_be32s(f, &env->mxcsr); | |
5579 | for(i = 0; i < CPU_NB_REGS; i++) { | |
5580 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0)); | |
5581 | qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1)); | |
5582 | } | |
5583 | ||
5584 | #ifdef TARGET_X86_64 | |
5585 | qemu_get_be64s(f, &env->efer); | |
5586 | qemu_get_be64s(f, &env->star); | |
5587 | qemu_get_be64s(f, &env->lstar); | |
5588 | qemu_get_be64s(f, &env->cstar); | |
5589 | qemu_get_be64s(f, &env->fmask); | |
5590 | qemu_get_be64s(f, &env->kernelgsbase); | |
5591 | #endif | |
5592 | if (version_id >= 4) | |
5593 | qemu_get_be32s(f, &env->smbase); | |
5594 | ||
5595 | /* XXX: compute hflags from scratch, except for CPL and IIF */ | |
5596 | env->hflags = hflags; | |
5597 | tlb_flush(env, 1); | |
5598 | return 0; | |
5599 | } | |
5600 | ||
5601 | #elif defined(TARGET_PPC) | |
5602 | void cpu_save(QEMUFile *f, void *opaque) | |
5603 | { | |
5604 | } | |
5605 | ||
5606 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5607 | { | |
5608 | return 0; | |
5609 | } | |
5610 | ||
5611 | #elif defined(TARGET_MIPS) | |
5612 | void cpu_save(QEMUFile *f, void *opaque) | |
5613 | { | |
5614 | } | |
5615 | ||
5616 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5617 | { | |
5618 | return 0; | |
5619 | } | |
5620 | ||
5621 | #elif defined(TARGET_SPARC) | |
5622 | void cpu_save(QEMUFile *f, void *opaque) | |
5623 | { | |
5624 | CPUState *env = opaque; | |
5625 | int i; | |
5626 | uint32_t tmp; | |
5627 | ||
5628 | for(i = 0; i < 8; i++) | |
5629 | qemu_put_betls(f, &env->gregs[i]); | |
5630 | for(i = 0; i < NWINDOWS * 16; i++) | |
5631 | qemu_put_betls(f, &env->regbase[i]); | |
5632 | ||
5633 | /* FPU */ | |
5634 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5635 | union { | |
5636 | float32 f; | |
5637 | uint32_t i; | |
5638 | } u; | |
5639 | u.f = env->fpr[i]; | |
5640 | qemu_put_be32(f, u.i); | |
5641 | } | |
5642 | ||
5643 | qemu_put_betls(f, &env->pc); | |
5644 | qemu_put_betls(f, &env->npc); | |
5645 | qemu_put_betls(f, &env->y); | |
5646 | tmp = GET_PSR(env); | |
5647 | qemu_put_be32(f, tmp); | |
5648 | qemu_put_betls(f, &env->fsr); | |
5649 | qemu_put_betls(f, &env->tbr); | |
5650 | #ifndef TARGET_SPARC64 | |
5651 | qemu_put_be32s(f, &env->wim); | |
5652 | /* MMU */ | |
5653 | for(i = 0; i < 16; i++) | |
5654 | qemu_put_be32s(f, &env->mmuregs[i]); | |
5655 | #endif | |
5656 | } | |
5657 | ||
5658 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5659 | { | |
5660 | CPUState *env = opaque; | |
5661 | int i; | |
5662 | uint32_t tmp; | |
5663 | ||
5664 | for(i = 0; i < 8; i++) | |
5665 | qemu_get_betls(f, &env->gregs[i]); | |
5666 | for(i = 0; i < NWINDOWS * 16; i++) | |
5667 | qemu_get_betls(f, &env->regbase[i]); | |
5668 | ||
5669 | /* FPU */ | |
5670 | for(i = 0; i < TARGET_FPREGS; i++) { | |
5671 | union { | |
5672 | float32 f; | |
5673 | uint32_t i; | |
5674 | } u; | |
5675 | u.i = qemu_get_be32(f); | |
5676 | env->fpr[i] = u.f; | |
5677 | } | |
5678 | ||
5679 | qemu_get_betls(f, &env->pc); | |
5680 | qemu_get_betls(f, &env->npc); | |
5681 | qemu_get_betls(f, &env->y); | |
5682 | tmp = qemu_get_be32(f); | |
5683 | env->cwp = 0; /* needed to ensure that the wrapping registers are | |
5684 | correctly updated */ | |
5685 | PUT_PSR(env, tmp); | |
5686 | qemu_get_betls(f, &env->fsr); | |
5687 | qemu_get_betls(f, &env->tbr); | |
5688 | #ifndef TARGET_SPARC64 | |
5689 | qemu_get_be32s(f, &env->wim); | |
5690 | /* MMU */ | |
5691 | for(i = 0; i < 16; i++) | |
5692 | qemu_get_be32s(f, &env->mmuregs[i]); | |
5693 | #endif | |
5694 | tlb_flush(env, 1); | |
5695 | return 0; | |
5696 | } | |
5697 | ||
5698 | #elif defined(TARGET_ARM) | |
5699 | ||
5700 | void cpu_save(QEMUFile *f, void *opaque) | |
5701 | { | |
5702 | int i; | |
5703 | CPUARMState *env = (CPUARMState *)opaque; | |
5704 | ||
5705 | for (i = 0; i < 16; i++) { | |
5706 | qemu_put_be32(f, env->regs[i]); | |
5707 | } | |
5708 | qemu_put_be32(f, cpsr_read(env)); | |
5709 | qemu_put_be32(f, env->spsr); | |
5710 | for (i = 0; i < 6; i++) { | |
5711 | qemu_put_be32(f, env->banked_spsr[i]); | |
5712 | qemu_put_be32(f, env->banked_r13[i]); | |
5713 | qemu_put_be32(f, env->banked_r14[i]); | |
5714 | } | |
5715 | for (i = 0; i < 5; i++) { | |
5716 | qemu_put_be32(f, env->usr_regs[i]); | |
5717 | qemu_put_be32(f, env->fiq_regs[i]); | |
5718 | } | |
5719 | qemu_put_be32(f, env->cp15.c0_cpuid); | |
5720 | qemu_put_be32(f, env->cp15.c0_cachetype); | |
5721 | qemu_put_be32(f, env->cp15.c1_sys); | |
5722 | qemu_put_be32(f, env->cp15.c1_coproc); | |
5723 | qemu_put_be32(f, env->cp15.c1_xscaleauxcr); | |
5724 | qemu_put_be32(f, env->cp15.c2_base); | |
5725 | qemu_put_be32(f, env->cp15.c2_data); | |
5726 | qemu_put_be32(f, env->cp15.c2_insn); | |
5727 | qemu_put_be32(f, env->cp15.c3); | |
5728 | qemu_put_be32(f, env->cp15.c5_insn); | |
5729 | qemu_put_be32(f, env->cp15.c5_data); | |
5730 | for (i = 0; i < 8; i++) { | |
5731 | qemu_put_be32(f, env->cp15.c6_region[i]); | |
5732 | } | |
5733 | qemu_put_be32(f, env->cp15.c6_insn); | |
5734 | qemu_put_be32(f, env->cp15.c6_data); | |
5735 | qemu_put_be32(f, env->cp15.c9_insn); | |
5736 | qemu_put_be32(f, env->cp15.c9_data); | |
5737 | qemu_put_be32(f, env->cp15.c13_fcse); | |
5738 | qemu_put_be32(f, env->cp15.c13_context); | |
5739 | qemu_put_be32(f, env->cp15.c15_cpar); | |
5740 | ||
5741 | qemu_put_be32(f, env->features); | |
5742 | ||
5743 | if (arm_feature(env, ARM_FEATURE_VFP)) { | |
5744 | for (i = 0; i < 16; i++) { | |
5745 | CPU_DoubleU u; | |
5746 | u.d = env->vfp.regs[i]; | |
5747 | qemu_put_be32(f, u.l.upper); | |
5748 | qemu_put_be32(f, u.l.lower); | |
5749 | } | |
5750 | for (i = 0; i < 16; i++) { | |
5751 | qemu_put_be32(f, env->vfp.xregs[i]); | |
5752 | } | |
5753 | ||
5754 | /* TODO: Should use proper FPSCR access functions. */ | |
5755 | qemu_put_be32(f, env->vfp.vec_len); | |
5756 | qemu_put_be32(f, env->vfp.vec_stride); | |
5757 | } | |
5758 | ||
5759 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
5760 | for (i = 0; i < 16; i++) { | |
5761 | qemu_put_be64(f, env->iwmmxt.regs[i]); | |
5762 | } | |
5763 | for (i = 0; i < 16; i++) { | |
5764 | qemu_put_be32(f, env->iwmmxt.cregs[i]); | |
5765 | } | |
5766 | } | |
5767 | } | |
5768 | ||
5769 | int cpu_load(QEMUFile *f, void *opaque, int version_id) | |
5770 | { | |
5771 | CPUARMState *env = (CPUARMState *)opaque; | |
5772 | int i; | |
5773 | ||
5774 | if (version_id != 0) | |
5775 | return -EINVAL; | |
5776 | ||
5777 | for (i = 0; i < 16; i++) { | |
5778 | env->regs[i] = qemu_get_be32(f); | |
5779 | } | |
5780 | cpsr_write(env, qemu_get_be32(f), 0xffffffff); | |
5781 | env->spsr = qemu_get_be32(f); | |
5782 | for (i = 0; i < 6; i++) { | |
5783 | env->banked_spsr[i] = qemu_get_be32(f); | |
5784 | env->banked_r13[i] = qemu_get_be32(f); | |
5785 | env->banked_r14[i] = qemu_get_be32(f); | |
5786 | } | |
5787 | for (i = 0; i < 5; i++) { | |
5788 | env->usr_regs[i] = qemu_get_be32(f); | |
5789 | env->fiq_regs[i] = qemu_get_be32(f); | |
5790 | } | |
5791 | env->cp15.c0_cpuid = qemu_get_be32(f); | |
5792 | env->cp15.c0_cachetype = qemu_get_be32(f); | |
5793 | env->cp15.c1_sys = qemu_get_be32(f); | |
5794 | env->cp15.c1_coproc = qemu_get_be32(f); | |
5795 | env->cp15.c1_xscaleauxcr = qemu_get_be32(f); | |
5796 | env->cp15.c2_base = qemu_get_be32(f); | |
5797 | env->cp15.c2_data = qemu_get_be32(f); | |
5798 | env->cp15.c2_insn = qemu_get_be32(f); | |
5799 | env->cp15.c3 = qemu_get_be32(f); | |
5800 | env->cp15.c5_insn = qemu_get_be32(f); | |
5801 | env->cp15.c5_data = qemu_get_be32(f); | |
5802 | for (i = 0; i < 8; i++) { | |
5803 | env->cp15.c6_region[i] = qemu_get_be32(f); | |
5804 | } | |
5805 | env->cp15.c6_insn = qemu_get_be32(f); | |
5806 | env->cp15.c6_data = qemu_get_be32(f); | |
5807 | env->cp15.c9_insn = qemu_get_be32(f); | |
5808 | env->cp15.c9_data = qemu_get_be32(f); | |
5809 | env->cp15.c13_fcse = qemu_get_be32(f); | |
5810 | env->cp15.c13_context = qemu_get_be32(f); | |
5811 | env->cp15.c15_cpar = qemu_get_be32(f); | |
5812 | ||
5813 | env->features = qemu_get_be32(f); | |
5814 | ||
5815 | if (arm_feature(env, ARM_FEATURE_VFP)) { | |
5816 | for (i = 0; i < 16; i++) { | |
5817 | CPU_DoubleU u; | |
5818 | u.l.upper = qemu_get_be32(f); | |
5819 | u.l.lower = qemu_get_be32(f); | |
5820 | env->vfp.regs[i] = u.d; | |
5821 | } | |
5822 | for (i = 0; i < 16; i++) { | |
5823 | env->vfp.xregs[i] = qemu_get_be32(f); | |
5824 | } | |
5825 | ||
5826 | /* TODO: Should use proper FPSCR access functions. */ | |
5827 | env->vfp.vec_len = qemu_get_be32(f); | |
5828 | env->vfp.vec_stride = qemu_get_be32(f); | |
5829 | } | |
5830 | ||
5831 | if (arm_feature(env, ARM_FEATURE_IWMMXT)) { | |
5832 | for (i = 0; i < 16; i++) { | |
5833 | env->iwmmxt.regs[i] = qemu_get_be64(f); | |
5834 | } | |
5835 | for (i = 0; i < 16; i++) { | |
5836 | env->iwmmxt.cregs[i] = qemu_get_be32(f); | |
5837 | } | |
5838 | } | |
5839 | ||
5840 | return 0; | |
5841 | } | |
5842 | ||
5843 | #else | |
5844 | ||
5845 | #warning No CPU save/restore functions | |
5846 | ||
5847 | #endif | |
5848 | ||
5849 | /***********************************************************/ | |
5850 | /* ram save/restore */ | |
5851 | ||
5852 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
5853 | { | |
5854 | int v; | |
5855 | ||
5856 | v = qemu_get_byte(f); | |
5857 | switch(v) { | |
5858 | case 0: | |
5859 | if (qemu_get_buffer(f, buf, len) != len) | |
5860 | return -EIO; | |
5861 | break; | |
5862 | case 1: | |
5863 | v = qemu_get_byte(f); | |
5864 | memset(buf, v, len); | |
5865 | break; | |
5866 | default: | |
5867 | return -EINVAL; | |
5868 | } | |
5869 | return 0; | |
5870 | } | |
5871 | ||
5872 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
5873 | { | |
5874 | int i, ret; | |
5875 | ||
5876 | if (qemu_get_be32(f) != phys_ram_size) | |
5877 | return -EINVAL; | |
5878 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
5879 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
5880 | if (ret) | |
5881 | return ret; | |
5882 | } | |
5883 | return 0; | |
5884 | } | |
5885 | ||
5886 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
5887 | #define IOBUF_SIZE 4096 | |
5888 | #define RAM_CBLOCK_MAGIC 0xfabe | |
5889 | ||
5890 | typedef struct RamCompressState { | |
5891 | z_stream zstream; | |
5892 | QEMUFile *f; | |
5893 | uint8_t buf[IOBUF_SIZE]; | |
5894 | } RamCompressState; | |
5895 | ||
5896 | static int ram_compress_open(RamCompressState *s, QEMUFile *f) | |
5897 | { | |
5898 | int ret; | |
5899 | memset(s, 0, sizeof(*s)); | |
5900 | s->f = f; | |
5901 | ret = deflateInit2(&s->zstream, 1, | |
5902 | Z_DEFLATED, 15, | |
5903 | 9, Z_DEFAULT_STRATEGY); | |
5904 | if (ret != Z_OK) | |
5905 | return -1; | |
5906 | s->zstream.avail_out = IOBUF_SIZE; | |
5907 | s->zstream.next_out = s->buf; | |
5908 | return 0; | |
5909 | } | |
5910 | ||
5911 | static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) | |
5912 | { | |
5913 | qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); | |
5914 | qemu_put_be16(s->f, len); | |
5915 | qemu_put_buffer(s->f, buf, len); | |
5916 | } | |
5917 | ||
5918 | static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) | |
5919 | { | |
5920 | int ret; | |
5921 | ||
5922 | s->zstream.avail_in = len; | |
5923 | s->zstream.next_in = (uint8_t *)buf; | |
5924 | while (s->zstream.avail_in > 0) { | |
5925 | ret = deflate(&s->zstream, Z_NO_FLUSH); | |
5926 | if (ret != Z_OK) | |
5927 | return -1; | |
5928 | if (s->zstream.avail_out == 0) { | |
5929 | ram_put_cblock(s, s->buf, IOBUF_SIZE); | |
5930 | s->zstream.avail_out = IOBUF_SIZE; | |
5931 | s->zstream.next_out = s->buf; | |
5932 | } | |
5933 | } | |
5934 | return 0; | |
5935 | } | |
5936 | ||
5937 | static void ram_compress_close(RamCompressState *s) | |
5938 | { | |
5939 | int len, ret; | |
5940 | ||
5941 | /* compress last bytes */ | |
5942 | for(;;) { | |
5943 | ret = deflate(&s->zstream, Z_FINISH); | |
5944 | if (ret == Z_OK || ret == Z_STREAM_END) { | |
5945 | len = IOBUF_SIZE - s->zstream.avail_out; | |
5946 | if (len > 0) { | |
5947 | ram_put_cblock(s, s->buf, len); | |
5948 | } | |
5949 | s->zstream.avail_out = IOBUF_SIZE; | |
5950 | s->zstream.next_out = s->buf; | |
5951 | if (ret == Z_STREAM_END) | |
5952 | break; | |
5953 | } else { | |
5954 | goto fail; | |
5955 | } | |
5956 | } | |
5957 | fail: | |
5958 | deflateEnd(&s->zstream); | |
5959 | } | |
5960 | ||
5961 | typedef struct RamDecompressState { | |
5962 | z_stream zstream; | |
5963 | QEMUFile *f; | |
5964 | uint8_t buf[IOBUF_SIZE]; | |
5965 | } RamDecompressState; | |
5966 | ||
5967 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
5968 | { | |
5969 | int ret; | |
5970 | memset(s, 0, sizeof(*s)); | |
5971 | s->f = f; | |
5972 | ret = inflateInit(&s->zstream); | |
5973 | if (ret != Z_OK) | |
5974 | return -1; | |
5975 | return 0; | |
5976 | } | |
5977 | ||
5978 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
5979 | { | |
5980 | int ret, clen; | |
5981 | ||
5982 | s->zstream.avail_out = len; | |
5983 | s->zstream.next_out = buf; | |
5984 | while (s->zstream.avail_out > 0) { | |
5985 | if (s->zstream.avail_in == 0) { | |
5986 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
5987 | return -1; | |
5988 | clen = qemu_get_be16(s->f); | |
5989 | if (clen > IOBUF_SIZE) | |
5990 | return -1; | |
5991 | qemu_get_buffer(s->f, s->buf, clen); | |
5992 | s->zstream.avail_in = clen; | |
5993 | s->zstream.next_in = s->buf; | |
5994 | } | |
5995 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
5996 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
5997 | return -1; | |
5998 | } | |
5999 | } | |
6000 | return 0; | |
6001 | } | |
6002 | ||
6003 | static void ram_decompress_close(RamDecompressState *s) | |
6004 | { | |
6005 | inflateEnd(&s->zstream); | |
6006 | } | |
6007 | ||
6008 | static void ram_save(QEMUFile *f, void *opaque) | |
6009 | { | |
6010 | int i; | |
6011 | RamCompressState s1, *s = &s1; | |
6012 | uint8_t buf[10]; | |
6013 | ||
6014 | qemu_put_be32(f, phys_ram_size); | |
6015 | if (ram_compress_open(s, f) < 0) | |
6016 | return; | |
6017 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
6018 | #if 0 | |
6019 | if (tight_savevm_enabled) { | |
6020 | int64_t sector_num; | |
6021 | int j; | |
6022 | ||
6023 | /* find if the memory block is available on a virtual | |
6024 | block device */ | |
6025 | sector_num = -1; | |
6026 | for(j = 0; j < MAX_DISKS; j++) { | |
6027 | if (bs_table[j]) { | |
6028 | sector_num = bdrv_hash_find(bs_table[j], | |
6029 | phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
6030 | if (sector_num >= 0) | |
6031 | break; | |
6032 | } | |
6033 | } | |
6034 | if (j == MAX_DISKS) | |
6035 | goto normal_compress; | |
6036 | buf[0] = 1; | |
6037 | buf[1] = j; | |
6038 | cpu_to_be64wu((uint64_t *)(buf + 2), sector_num); | |
6039 | ram_compress_buf(s, buf, 10); | |
6040 | } else | |
6041 | #endif | |
6042 | { | |
6043 | // normal_compress: | |
6044 | buf[0] = 0; | |
6045 | ram_compress_buf(s, buf, 1); | |
6046 | ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); | |
6047 | } | |
6048 | } | |
6049 | ram_compress_close(s); | |
6050 | } | |
6051 | ||
6052 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
6053 | { | |
6054 | RamDecompressState s1, *s = &s1; | |
6055 | uint8_t buf[10]; | |
6056 | int i; | |
6057 | ||
6058 | if (version_id == 1) | |
6059 | return ram_load_v1(f, opaque); | |
6060 | if (version_id != 2) | |
6061 | return -EINVAL; | |
6062 | if (qemu_get_be32(f) != phys_ram_size) | |
6063 | return -EINVAL; | |
6064 | if (ram_decompress_open(s, f) < 0) | |
6065 | return -EINVAL; | |
6066 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
6067 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
6068 | fprintf(stderr, "Error while reading ram block header\n"); | |
6069 | goto error; | |
6070 | } | |
6071 | if (buf[0] == 0) { | |
6072 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
6073 | fprintf(stderr, "Error while reading ram block address=0x%08x", i); | |
6074 | goto error; | |
6075 | } | |
6076 | } else | |
6077 | #if 0 | |
6078 | if (buf[0] == 1) { | |
6079 | int bs_index; | |
6080 | int64_t sector_num; | |
6081 | ||
6082 | ram_decompress_buf(s, buf + 1, 9); | |
6083 | bs_index = buf[1]; | |
6084 | sector_num = be64_to_cpupu((const uint64_t *)(buf + 2)); | |
6085 | if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) { | |
6086 | fprintf(stderr, "Invalid block device index %d\n", bs_index); | |
6087 | goto error; | |
6088 | } | |
6089 | if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i, | |
6090 | BDRV_HASH_BLOCK_SIZE / 512) < 0) { | |
6091 | fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n", | |
6092 | bs_index, sector_num); | |
6093 | goto error; | |
6094 | } | |
6095 | } else | |
6096 | #endif | |
6097 | { | |
6098 | error: | |
6099 | printf("Error block header\n"); | |
6100 | return -EINVAL; | |
6101 | } | |
6102 | } | |
6103 | ram_decompress_close(s); | |
6104 | return 0; | |
6105 | } | |
6106 | ||
6107 | /***********************************************************/ | |
6108 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
6109 | ||
6110 | struct QEMUBH { | |
6111 | QEMUBHFunc *cb; | |
6112 | void *opaque; | |
6113 | int scheduled; | |
6114 | QEMUBH *next; | |
6115 | }; | |
6116 | ||
6117 | static QEMUBH *first_bh = NULL; | |
6118 | ||
6119 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
6120 | { | |
6121 | QEMUBH *bh; | |
6122 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
6123 | if (!bh) | |
6124 | return NULL; | |
6125 | bh->cb = cb; | |
6126 | bh->opaque = opaque; | |
6127 | return bh; | |
6128 | } | |
6129 | ||
6130 | int qemu_bh_poll(void) | |
6131 | { | |
6132 | QEMUBH *bh, **pbh; | |
6133 | int ret; | |
6134 | ||
6135 | ret = 0; | |
6136 | for(;;) { | |
6137 | pbh = &first_bh; | |
6138 | bh = *pbh; | |
6139 | if (!bh) | |
6140 | break; | |
6141 | ret = 1; | |
6142 | *pbh = bh->next; | |
6143 | bh->scheduled = 0; | |
6144 | bh->cb(bh->opaque); | |
6145 | } | |
6146 | return ret; | |
6147 | } | |
6148 | ||
6149 | void qemu_bh_schedule(QEMUBH *bh) | |
6150 | { | |
6151 | CPUState *env = cpu_single_env; | |
6152 | if (bh->scheduled) | |
6153 | return; | |
6154 | bh->scheduled = 1; | |
6155 | bh->next = first_bh; | |
6156 | first_bh = bh; | |
6157 | ||
6158 | /* stop the currently executing CPU to execute the BH ASAP */ | |
6159 | if (env) { | |
6160 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
6161 | } | |
6162 | } | |
6163 | ||
6164 | void qemu_bh_cancel(QEMUBH *bh) | |
6165 | { | |
6166 | QEMUBH **pbh; | |
6167 | if (bh->scheduled) { | |
6168 | pbh = &first_bh; | |
6169 | while (*pbh != bh) | |
6170 | pbh = &(*pbh)->next; | |
6171 | *pbh = bh->next; | |
6172 | bh->scheduled = 0; | |
6173 | } | |
6174 | } | |
6175 | ||
6176 | void qemu_bh_delete(QEMUBH *bh) | |
6177 | { | |
6178 | qemu_bh_cancel(bh); | |
6179 | qemu_free(bh); | |
6180 | } | |
6181 | ||
6182 | /***********************************************************/ | |
6183 | /* machine registration */ | |
6184 | ||
6185 | QEMUMachine *first_machine = NULL; | |
6186 | ||
6187 | int qemu_register_machine(QEMUMachine *m) | |
6188 | { | |
6189 | QEMUMachine **pm; | |
6190 | pm = &first_machine; | |
6191 | while (*pm != NULL) | |
6192 | pm = &(*pm)->next; | |
6193 | m->next = NULL; | |
6194 | *pm = m; | |
6195 | return 0; | |
6196 | } | |
6197 | ||
6198 | QEMUMachine *find_machine(const char *name) | |
6199 | { | |
6200 | QEMUMachine *m; | |
6201 | ||
6202 | for(m = first_machine; m != NULL; m = m->next) { | |
6203 | if (!strcmp(m->name, name)) | |
6204 | return m; | |
6205 | } | |
6206 | return NULL; | |
6207 | } | |
6208 | ||
6209 | /***********************************************************/ | |
6210 | /* main execution loop */ | |
6211 | ||
6212 | void gui_update(void *opaque) | |
6213 | { | |
6214 | DisplayState *ds = opaque; | |
6215 | ds->dpy_refresh(ds); | |
6216 | qemu_mod_timer(ds->gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); | |
6217 | } | |
6218 | ||
6219 | struct vm_change_state_entry { | |
6220 | VMChangeStateHandler *cb; | |
6221 | void *opaque; | |
6222 | LIST_ENTRY (vm_change_state_entry) entries; | |
6223 | }; | |
6224 | ||
6225 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
6226 | ||
6227 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
6228 | void *opaque) | |
6229 | { | |
6230 | VMChangeStateEntry *e; | |
6231 | ||
6232 | e = qemu_mallocz(sizeof (*e)); | |
6233 | if (!e) | |
6234 | return NULL; | |
6235 | ||
6236 | e->cb = cb; | |
6237 | e->opaque = opaque; | |
6238 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
6239 | return e; | |
6240 | } | |
6241 | ||
6242 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
6243 | { | |
6244 | LIST_REMOVE (e, entries); | |
6245 | qemu_free (e); | |
6246 | } | |
6247 | ||
6248 | static void vm_state_notify(int running) | |
6249 | { | |
6250 | VMChangeStateEntry *e; | |
6251 | ||
6252 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
6253 | e->cb(e->opaque, running); | |
6254 | } | |
6255 | } | |
6256 | ||
6257 | /* XXX: support several handlers */ | |
6258 | static VMStopHandler *vm_stop_cb; | |
6259 | static void *vm_stop_opaque; | |
6260 | ||
6261 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
6262 | { | |
6263 | vm_stop_cb = cb; | |
6264 | vm_stop_opaque = opaque; | |
6265 | return 0; | |
6266 | } | |
6267 | ||
6268 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
6269 | { | |
6270 | vm_stop_cb = NULL; | |
6271 | } | |
6272 | ||
6273 | void vm_start(void) | |
6274 | { | |
6275 | if (!vm_running) { | |
6276 | cpu_enable_ticks(); | |
6277 | vm_running = 1; | |
6278 | vm_state_notify(1); | |
6279 | } | |
6280 | } | |
6281 | ||
6282 | void vm_stop(int reason) | |
6283 | { | |
6284 | if (vm_running) { | |
6285 | cpu_disable_ticks(); | |
6286 | vm_running = 0; | |
6287 | if (reason != 0) { | |
6288 | if (vm_stop_cb) { | |
6289 | vm_stop_cb(vm_stop_opaque, reason); | |
6290 | } | |
6291 | } | |
6292 | vm_state_notify(0); | |
6293 | } | |
6294 | } | |
6295 | ||
6296 | /* reset/shutdown handler */ | |
6297 | ||
6298 | typedef struct QEMUResetEntry { | |
6299 | QEMUResetHandler *func; | |
6300 | void *opaque; | |
6301 | struct QEMUResetEntry *next; | |
6302 | } QEMUResetEntry; | |
6303 | ||
6304 | static QEMUResetEntry *first_reset_entry; | |
6305 | static int reset_requested; | |
6306 | static int shutdown_requested; | |
6307 | static int powerdown_requested; | |
6308 | ||
6309 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
6310 | { | |
6311 | QEMUResetEntry **pre, *re; | |
6312 | ||
6313 | pre = &first_reset_entry; | |
6314 | while (*pre != NULL) | |
6315 | pre = &(*pre)->next; | |
6316 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
6317 | re->func = func; | |
6318 | re->opaque = opaque; | |
6319 | re->next = NULL; | |
6320 | *pre = re; | |
6321 | } | |
6322 | ||
6323 | static void qemu_system_reset(void) | |
6324 | { | |
6325 | QEMUResetEntry *re; | |
6326 | ||
6327 | /* reset all devices */ | |
6328 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
6329 | re->func(re->opaque); | |
6330 | } | |
6331 | } | |
6332 | ||
6333 | void qemu_system_reset_request(void) | |
6334 | { | |
6335 | if (no_reboot) { | |
6336 | shutdown_requested = 1; | |
6337 | } else { | |
6338 | reset_requested = 1; | |
6339 | } | |
6340 | if (cpu_single_env) | |
6341 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6342 | } | |
6343 | ||
6344 | void qemu_system_shutdown_request(void) | |
6345 | { | |
6346 | shutdown_requested = 1; | |
6347 | if (cpu_single_env) | |
6348 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6349 | } | |
6350 | ||
6351 | void qemu_system_powerdown_request(void) | |
6352 | { | |
6353 | powerdown_requested = 1; | |
6354 | if (cpu_single_env) | |
6355 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
6356 | } | |
6357 | ||
6358 | void main_loop_wait(int timeout) | |
6359 | { | |
6360 | IOHandlerRecord *ioh; | |
6361 | fd_set rfds, wfds, xfds; | |
6362 | int ret, nfds; | |
6363 | #ifdef _WIN32 | |
6364 | int ret2, i; | |
6365 | #endif | |
6366 | struct timeval tv; | |
6367 | PollingEntry *pe; | |
6368 | ||
6369 | ||
6370 | /* XXX: need to suppress polling by better using win32 events */ | |
6371 | ret = 0; | |
6372 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
6373 | ret |= pe->func(pe->opaque); | |
6374 | } | |
6375 | #ifdef _WIN32 | |
6376 | if (ret == 0) { | |
6377 | int err; | |
6378 | WaitObjects *w = &wait_objects; | |
6379 | ||
6380 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); | |
6381 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
6382 | if (w->func[ret - WAIT_OBJECT_0]) | |
6383 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
6384 | ||
6385 | /* Check for additional signaled events */ | |
6386 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { | |
6387 | ||
6388 | /* Check if event is signaled */ | |
6389 | ret2 = WaitForSingleObject(w->events[i], 0); | |
6390 | if(ret2 == WAIT_OBJECT_0) { | |
6391 | if (w->func[i]) | |
6392 | w->func[i](w->opaque[i]); | |
6393 | } else if (ret2 == WAIT_TIMEOUT) { | |
6394 | } else { | |
6395 | err = GetLastError(); | |
6396 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
6397 | } | |
6398 | } | |
6399 | } else if (ret == WAIT_TIMEOUT) { | |
6400 | } else { | |
6401 | err = GetLastError(); | |
6402 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); | |
6403 | } | |
6404 | } | |
6405 | #endif | |
6406 | /* poll any events */ | |
6407 | /* XXX: separate device handlers from system ones */ | |
6408 | nfds = -1; | |
6409 | FD_ZERO(&rfds); | |
6410 | FD_ZERO(&wfds); | |
6411 | FD_ZERO(&xfds); | |
6412 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6413 | if (ioh->deleted) | |
6414 | continue; | |
6415 | if (ioh->fd_read && | |
6416 | (!ioh->fd_read_poll || | |
6417 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
6418 | FD_SET(ioh->fd, &rfds); | |
6419 | if (ioh->fd > nfds) | |
6420 | nfds = ioh->fd; | |
6421 | } | |
6422 | if (ioh->fd_write) { | |
6423 | FD_SET(ioh->fd, &wfds); | |
6424 | if (ioh->fd > nfds) | |
6425 | nfds = ioh->fd; | |
6426 | } | |
6427 | } | |
6428 | ||
6429 | tv.tv_sec = 0; | |
6430 | #ifdef _WIN32 | |
6431 | tv.tv_usec = 0; | |
6432 | #else | |
6433 | tv.tv_usec = timeout * 1000; | |
6434 | #endif | |
6435 | #if defined(CONFIG_SLIRP) | |
6436 | if (slirp_inited) { | |
6437 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
6438 | } | |
6439 | #endif | |
6440 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
6441 | if (ret > 0) { | |
6442 | IOHandlerRecord **pioh; | |
6443 | ||
6444 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
6445 | if (ioh->deleted) | |
6446 | continue; | |
6447 | if (FD_ISSET(ioh->fd, &rfds)) { | |
6448 | ioh->fd_read(ioh->opaque); | |
6449 | } | |
6450 | if (FD_ISSET(ioh->fd, &wfds)) { | |
6451 | ioh->fd_write(ioh->opaque); | |
6452 | } | |
6453 | } | |
6454 | ||
6455 | /* remove deleted IO handlers */ | |
6456 | pioh = &first_io_handler; | |
6457 | while (*pioh) { | |
6458 | ioh = *pioh; | |
6459 | if (ioh->deleted) { | |
6460 | *pioh = ioh->next; | |
6461 | qemu_free(ioh); | |
6462 | } else | |
6463 | pioh = &ioh->next; | |
6464 | } | |
6465 | } | |
6466 | #if defined(CONFIG_SLIRP) | |
6467 | if (slirp_inited) { | |
6468 | if (ret < 0) { | |
6469 | FD_ZERO(&rfds); | |
6470 | FD_ZERO(&wfds); | |
6471 | FD_ZERO(&xfds); | |
6472 | } | |
6473 | slirp_select_poll(&rfds, &wfds, &xfds); | |
6474 | } | |
6475 | #endif | |
6476 | qemu_aio_poll(); | |
6477 | ||
6478 | if (vm_running) { | |
6479 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
6480 | qemu_get_clock(vm_clock)); | |
6481 | /* run dma transfers, if any */ | |
6482 | DMA_run(); | |
6483 | } | |
6484 | ||
6485 | /* real time timers */ | |
6486 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
6487 | qemu_get_clock(rt_clock)); | |
6488 | ||
6489 | /* Check bottom-halves last in case any of the earlier events triggered | |
6490 | them. */ | |
6491 | qemu_bh_poll(); | |
6492 | ||
6493 | } | |
6494 | ||
6495 | static CPUState *cur_cpu; | |
6496 | ||
6497 | int main_loop(void) | |
6498 | { | |
6499 | int ret, timeout; | |
6500 | #ifdef CONFIG_PROFILER | |
6501 | int64_t ti; | |
6502 | #endif | |
6503 | CPUState *env; | |
6504 | ||
6505 | cur_cpu = first_cpu; | |
6506 | for(;;) { | |
6507 | if (vm_running) { | |
6508 | ||
6509 | env = cur_cpu; | |
6510 | for(;;) { | |
6511 | /* get next cpu */ | |
6512 | env = env->next_cpu; | |
6513 | if (!env) | |
6514 | env = first_cpu; | |
6515 | #ifdef CONFIG_PROFILER | |
6516 | ti = profile_getclock(); | |
6517 | #endif | |
6518 | ret = cpu_exec(env); | |
6519 | #ifdef CONFIG_PROFILER | |
6520 | qemu_time += profile_getclock() - ti; | |
6521 | #endif | |
6522 | if (ret == EXCP_HLT) { | |
6523 | /* Give the next CPU a chance to run. */ | |
6524 | cur_cpu = env; | |
6525 | continue; | |
6526 | } | |
6527 | if (ret != EXCP_HALTED) | |
6528 | break; | |
6529 | /* all CPUs are halted ? */ | |
6530 | if (env == cur_cpu) | |
6531 | break; | |
6532 | } | |
6533 | cur_cpu = env; | |
6534 | ||
6535 | if (shutdown_requested) { | |
6536 | ret = EXCP_INTERRUPT; | |
6537 | break; | |
6538 | } | |
6539 | if (reset_requested) { | |
6540 | reset_requested = 0; | |
6541 | qemu_system_reset(); | |
6542 | ret = EXCP_INTERRUPT; | |
6543 | } | |
6544 | if (powerdown_requested) { | |
6545 | powerdown_requested = 0; | |
6546 | qemu_system_powerdown(); | |
6547 | ret = EXCP_INTERRUPT; | |
6548 | } | |
6549 | if (ret == EXCP_DEBUG) { | |
6550 | vm_stop(EXCP_DEBUG); | |
6551 | } | |
6552 | /* If all cpus are halted then wait until the next IRQ */ | |
6553 | /* XXX: use timeout computed from timers */ | |
6554 | if (ret == EXCP_HALTED) | |
6555 | timeout = 10; | |
6556 | else | |
6557 | timeout = 0; | |
6558 | } else { | |
6559 | timeout = 10; | |
6560 | } | |
6561 | #ifdef CONFIG_PROFILER | |
6562 | ti = profile_getclock(); | |
6563 | #endif | |
6564 | main_loop_wait(timeout); | |
6565 | #ifdef CONFIG_PROFILER | |
6566 | dev_time += profile_getclock() - ti; | |
6567 | #endif | |
6568 | } | |
6569 | cpu_disable_ticks(); | |
6570 | return ret; | |
6571 | } | |
6572 | ||
6573 | static void help(const char *optarg) | |
6574 | { | |
6575 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" | |
6576 | "usage: %s [options] [disk_image]\n" | |
6577 | "\n" | |
6578 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
6579 | "\n" | |
6580 | "Standard options:\n" | |
6581 | "-M machine select emulated machine (-M ? for list)\n" | |
6582 | "-cpu cpu select CPU (-cpu ? for list)\n" | |
6583 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
6584 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
6585 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
6586 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
6587 | "-mtdblock file use 'file' as on-board Flash memory image\n" | |
6588 | "-sd file use 'file' as SecureDigital card image\n" | |
6589 | "-pflash file use 'file' as a parallel flash image\n" | |
6590 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" | |
6591 | "-snapshot write to temporary files instead of disk image files\n" | |
6592 | #ifdef CONFIG_SDL | |
6593 | "-no-frame open SDL window without a frame and window decorations\n" | |
6594 | "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" | |
6595 | "-no-quit disable SDL window close capability\n" | |
6596 | #endif | |
6597 | #ifdef TARGET_I386 | |
6598 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
6599 | #endif | |
6600 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
6601 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
6602 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
6603 | "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" | |
6604 | #ifndef _WIN32 | |
6605 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
6606 | #endif | |
6607 | #ifdef HAS_AUDIO | |
6608 | "-audio-help print list of audio drivers and their options\n" | |
6609 | "-soundhw c1,... enable audio support\n" | |
6610 | " and only specified sound cards (comma separated list)\n" | |
6611 | " use -soundhw ? to get the list of supported cards\n" | |
6612 | " use -soundhw all to enable all of them\n" | |
6613 | #endif | |
6614 | "-localtime set the real time clock to local time [default=utc]\n" | |
6615 | "-full-screen start in full screen\n" | |
6616 | #ifdef TARGET_I386 | |
6617 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
6618 | #endif | |
6619 | "-usb enable the USB driver (will be the default soon)\n" | |
6620 | "-usbdevice name add the host or guest USB device 'name'\n" | |
6621 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
6622 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
6623 | #endif | |
6624 | "-name string set the name of the guest\n" | |
6625 | "\n" | |
6626 | "Network options:\n" | |
6627 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" | |
6628 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
6629 | #ifdef CONFIG_SLIRP | |
6630 | "-net user[,vlan=n][,hostname=host]\n" | |
6631 | " connect the user mode network stack to VLAN 'n' and send\n" | |
6632 | " hostname 'host' to DHCP clients\n" | |
6633 | #endif | |
6634 | #ifdef _WIN32 | |
6635 | "-net tap[,vlan=n],ifname=name\n" | |
6636 | " connect the host TAP network interface to VLAN 'n'\n" | |
6637 | #else | |
6638 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n" | |
6639 | " connect the host TAP network interface to VLAN 'n' and use\n" | |
6640 | " the network script 'file' (default=%s);\n" | |
6641 | " use 'script=no' to disable script execution;\n" | |
6642 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
6643 | #endif | |
6644 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
6645 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
6646 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" | |
6647 | " connect the vlan 'n' to multicast maddr and port\n" | |
6648 | "-net none use it alone to have zero network devices; if no -net option\n" | |
6649 | " is provided, the default is '-net nic -net user'\n" | |
6650 | "\n" | |
6651 | #ifdef CONFIG_SLIRP | |
6652 | "-tftp dir allow tftp access to files in dir [-net user]\n" | |
6653 | "-bootp file advertise file in BOOTP replies\n" | |
6654 | #ifndef _WIN32 | |
6655 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
6656 | #endif | |
6657 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
6658 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
6659 | #endif | |
6660 | "\n" | |
6661 | "Linux boot specific:\n" | |
6662 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
6663 | "-append cmdline use 'cmdline' as kernel command line\n" | |
6664 | "-initrd file use 'file' as initial ram disk\n" | |
6665 | "\n" | |
6666 | "Debug/Expert options:\n" | |
6667 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
6668 | "-serial dev redirect the serial port to char device 'dev'\n" | |
6669 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
6670 | "-pidfile file Write PID to 'file'\n" | |
6671 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
6672 | "-s wait gdb connection to port\n" | |
6673 | "-p port set gdb connection port [default=%s]\n" | |
6674 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
6675 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
6676 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
6677 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
6678 | #ifdef USE_KQEMU | |
6679 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
6680 | "-no-kqemu disable KQEMU kernel module usage\n" | |
6681 | #endif | |
6682 | #ifdef USE_CODE_COPY | |
6683 | "-no-code-copy disable code copy acceleration\n" | |
6684 | #endif | |
6685 | #ifdef TARGET_I386 | |
6686 | "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" | |
6687 | " (default is CL-GD5446 PCI VGA)\n" | |
6688 | "-no-acpi disable ACPI\n" | |
6689 | #endif | |
6690 | "-no-reboot exit instead of rebooting\n" | |
6691 | "-loadvm file start right away with a saved state (loadvm in monitor)\n" | |
6692 | "-vnc display start a VNC server on display\n" | |
6693 | #ifndef _WIN32 | |
6694 | "-daemonize daemonize QEMU after initializing\n" | |
6695 | #endif | |
6696 | "-option-rom rom load a file, rom, into the option ROM space\n" | |
6697 | #ifdef TARGET_SPARC | |
6698 | "-prom-env variable=value set OpenBIOS nvram variables\n" | |
6699 | #endif | |
6700 | "\n" | |
6701 | "During emulation, the following keys are useful:\n" | |
6702 | "ctrl-alt-f toggle full screen\n" | |
6703 | "ctrl-alt-n switch to virtual console 'n'\n" | |
6704 | "ctrl-alt toggle mouse and keyboard grab\n" | |
6705 | "\n" | |
6706 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
6707 | , | |
6708 | "qemu", | |
6709 | DEFAULT_RAM_SIZE, | |
6710 | #ifndef _WIN32 | |
6711 | DEFAULT_NETWORK_SCRIPT, | |
6712 | #endif | |
6713 | DEFAULT_GDBSTUB_PORT, | |
6714 | "/tmp/qemu.log"); | |
6715 | exit(strcmp(optarg, "?")); | |
6716 | } | |
6717 | ||
6718 | #define HAS_ARG 0x0001 | |
6719 | ||
6720 | enum { | |
6721 | QEMU_OPTION_h, | |
6722 | ||
6723 | QEMU_OPTION_M, | |
6724 | QEMU_OPTION_cpu, | |
6725 | QEMU_OPTION_fda, | |
6726 | QEMU_OPTION_fdb, | |
6727 | QEMU_OPTION_hda, | |
6728 | QEMU_OPTION_hdb, | |
6729 | QEMU_OPTION_hdc, | |
6730 | QEMU_OPTION_hdd, | |
6731 | QEMU_OPTION_cdrom, | |
6732 | QEMU_OPTION_mtdblock, | |
6733 | QEMU_OPTION_sd, | |
6734 | QEMU_OPTION_pflash, | |
6735 | QEMU_OPTION_boot, | |
6736 | QEMU_OPTION_snapshot, | |
6737 | #ifdef TARGET_I386 | |
6738 | QEMU_OPTION_no_fd_bootchk, | |
6739 | #endif | |
6740 | QEMU_OPTION_m, | |
6741 | QEMU_OPTION_nographic, | |
6742 | QEMU_OPTION_portrait, | |
6743 | #ifdef HAS_AUDIO | |
6744 | QEMU_OPTION_audio_help, | |
6745 | QEMU_OPTION_soundhw, | |
6746 | #endif | |
6747 | ||
6748 | QEMU_OPTION_net, | |
6749 | QEMU_OPTION_tftp, | |
6750 | QEMU_OPTION_bootp, | |
6751 | QEMU_OPTION_smb, | |
6752 | QEMU_OPTION_redir, | |
6753 | ||
6754 | QEMU_OPTION_kernel, | |
6755 | QEMU_OPTION_append, | |
6756 | QEMU_OPTION_initrd, | |
6757 | ||
6758 | QEMU_OPTION_S, | |
6759 | QEMU_OPTION_s, | |
6760 | QEMU_OPTION_p, | |
6761 | QEMU_OPTION_d, | |
6762 | QEMU_OPTION_hdachs, | |
6763 | QEMU_OPTION_L, | |
6764 | QEMU_OPTION_no_code_copy, | |
6765 | QEMU_OPTION_k, | |
6766 | QEMU_OPTION_localtime, | |
6767 | QEMU_OPTION_cirrusvga, | |
6768 | QEMU_OPTION_vmsvga, | |
6769 | QEMU_OPTION_g, | |
6770 | QEMU_OPTION_std_vga, | |
6771 | QEMU_OPTION_echr, | |
6772 | QEMU_OPTION_monitor, | |
6773 | QEMU_OPTION_serial, | |
6774 | QEMU_OPTION_parallel, | |
6775 | QEMU_OPTION_loadvm, | |
6776 | QEMU_OPTION_full_screen, | |
6777 | QEMU_OPTION_no_frame, | |
6778 | QEMU_OPTION_alt_grab, | |
6779 | QEMU_OPTION_no_quit, | |
6780 | QEMU_OPTION_pidfile, | |
6781 | QEMU_OPTION_no_kqemu, | |
6782 | QEMU_OPTION_kernel_kqemu, | |
6783 | QEMU_OPTION_win2k_hack, | |
6784 | QEMU_OPTION_usb, | |
6785 | QEMU_OPTION_usbdevice, | |
6786 | QEMU_OPTION_smp, | |
6787 | QEMU_OPTION_vnc, | |
6788 | QEMU_OPTION_no_acpi, | |
6789 | QEMU_OPTION_no_reboot, | |
6790 | QEMU_OPTION_show_cursor, | |
6791 | QEMU_OPTION_daemonize, | |
6792 | QEMU_OPTION_option_rom, | |
6793 | QEMU_OPTION_semihosting, | |
6794 | QEMU_OPTION_name, | |
6795 | QEMU_OPTION_prom_env, | |
6796 | }; | |
6797 | ||
6798 | typedef struct QEMUOption { | |
6799 | const char *name; | |
6800 | int flags; | |
6801 | int index; | |
6802 | } QEMUOption; | |
6803 | ||
6804 | const QEMUOption qemu_options[] = { | |
6805 | { "h", 0, QEMU_OPTION_h }, | |
6806 | { "help", 0, QEMU_OPTION_h }, | |
6807 | ||
6808 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
6809 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, | |
6810 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
6811 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
6812 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
6813 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
6814 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
6815 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
6816 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
6817 | { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, | |
6818 | { "sd", HAS_ARG, QEMU_OPTION_sd }, | |
6819 | { "pflash", HAS_ARG, QEMU_OPTION_pflash }, | |
6820 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
6821 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
6822 | #ifdef TARGET_I386 | |
6823 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
6824 | #endif | |
6825 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
6826 | { "nographic", 0, QEMU_OPTION_nographic }, | |
6827 | { "portrait", 0, QEMU_OPTION_portrait }, | |
6828 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
6829 | #ifdef HAS_AUDIO | |
6830 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
6831 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
6832 | #endif | |
6833 | ||
6834 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
6835 | #ifdef CONFIG_SLIRP | |
6836 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
6837 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, | |
6838 | #ifndef _WIN32 | |
6839 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
6840 | #endif | |
6841 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
6842 | #endif | |
6843 | ||
6844 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
6845 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
6846 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
6847 | ||
6848 | { "S", 0, QEMU_OPTION_S }, | |
6849 | { "s", 0, QEMU_OPTION_s }, | |
6850 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
6851 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
6852 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
6853 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
6854 | { "no-code-copy", 0, QEMU_OPTION_no_code_copy }, | |
6855 | #ifdef USE_KQEMU | |
6856 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
6857 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
6858 | #endif | |
6859 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
6860 | { "g", 1, QEMU_OPTION_g }, | |
6861 | #endif | |
6862 | { "localtime", 0, QEMU_OPTION_localtime }, | |
6863 | { "std-vga", 0, QEMU_OPTION_std_vga }, | |
6864 | { "echr", HAS_ARG, QEMU_OPTION_echr }, | |
6865 | { "monitor", HAS_ARG, QEMU_OPTION_monitor }, | |
6866 | { "serial", HAS_ARG, QEMU_OPTION_serial }, | |
6867 | { "parallel", HAS_ARG, QEMU_OPTION_parallel }, | |
6868 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
6869 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
6870 | #ifdef CONFIG_SDL | |
6871 | { "no-frame", 0, QEMU_OPTION_no_frame }, | |
6872 | { "alt-grab", 0, QEMU_OPTION_alt_grab }, | |
6873 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
6874 | #endif | |
6875 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
6876 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
6877 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
6878 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
6879 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
6880 | ||
6881 | /* temporary options */ | |
6882 | { "usb", 0, QEMU_OPTION_usb }, | |
6883 | { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, | |
6884 | { "vmwarevga", 0, QEMU_OPTION_vmsvga }, | |
6885 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
6886 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
6887 | { "show-cursor", 0, QEMU_OPTION_show_cursor }, | |
6888 | { "daemonize", 0, QEMU_OPTION_daemonize }, | |
6889 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, | |
6890 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
6891 | { "semihosting", 0, QEMU_OPTION_semihosting }, | |
6892 | #endif | |
6893 | { "name", HAS_ARG, QEMU_OPTION_name }, | |
6894 | #if defined(TARGET_SPARC) | |
6895 | { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, | |
6896 | #endif | |
6897 | { NULL }, | |
6898 | }; | |
6899 | ||
6900 | #if defined (TARGET_I386) && defined(USE_CODE_COPY) | |
6901 | ||
6902 | /* this stack is only used during signal handling */ | |
6903 | #define SIGNAL_STACK_SIZE 32768 | |
6904 | ||
6905 | static uint8_t *signal_stack; | |
6906 | ||
6907 | #endif | |
6908 | ||
6909 | /* password input */ | |
6910 | ||
6911 | int qemu_key_check(BlockDriverState *bs, const char *name) | |
6912 | { | |
6913 | char password[256]; | |
6914 | int i; | |
6915 | ||
6916 | if (!bdrv_is_encrypted(bs)) | |
6917 | return 0; | |
6918 | ||
6919 | term_printf("%s is encrypted.\n", name); | |
6920 | for(i = 0; i < 3; i++) { | |
6921 | monitor_readline("Password: ", 1, password, sizeof(password)); | |
6922 | if (bdrv_set_key(bs, password) == 0) | |
6923 | return 0; | |
6924 | term_printf("invalid password\n"); | |
6925 | } | |
6926 | return -EPERM; | |
6927 | } | |
6928 | ||
6929 | static BlockDriverState *get_bdrv(int index) | |
6930 | { | |
6931 | BlockDriverState *bs; | |
6932 | ||
6933 | if (index < 4) { | |
6934 | bs = bs_table[index]; | |
6935 | } else if (index < 6) { | |
6936 | bs = fd_table[index - 4]; | |
6937 | } else { | |
6938 | bs = NULL; | |
6939 | } | |
6940 | return bs; | |
6941 | } | |
6942 | ||
6943 | static void read_passwords(void) | |
6944 | { | |
6945 | BlockDriverState *bs; | |
6946 | int i; | |
6947 | ||
6948 | for(i = 0; i < 6; i++) { | |
6949 | bs = get_bdrv(i); | |
6950 | if (bs) | |
6951 | qemu_key_check(bs, bdrv_get_device_name(bs)); | |
6952 | } | |
6953 | } | |
6954 | ||
6955 | /* XXX: currently we cannot use simultaneously different CPUs */ | |
6956 | void register_machines(void) | |
6957 | { | |
6958 | #if defined(TARGET_I386) | |
6959 | qemu_register_machine(&pc_machine); | |
6960 | qemu_register_machine(&isapc_machine); | |
6961 | #elif defined(TARGET_PPC) | |
6962 | qemu_register_machine(&heathrow_machine); | |
6963 | qemu_register_machine(&core99_machine); | |
6964 | qemu_register_machine(&prep_machine); | |
6965 | qemu_register_machine(&ref405ep_machine); | |
6966 | qemu_register_machine(&taihu_machine); | |
6967 | #elif defined(TARGET_MIPS) | |
6968 | qemu_register_machine(&mips_machine); | |
6969 | qemu_register_machine(&mips_malta_machine); | |
6970 | qemu_register_machine(&mips_pica61_machine); | |
6971 | #elif defined(TARGET_SPARC) | |
6972 | #ifdef TARGET_SPARC64 | |
6973 | qemu_register_machine(&sun4u_machine); | |
6974 | #else | |
6975 | qemu_register_machine(&ss5_machine); | |
6976 | qemu_register_machine(&ss10_machine); | |
6977 | #endif | |
6978 | #elif defined(TARGET_ARM) | |
6979 | qemu_register_machine(&integratorcp_machine); | |
6980 | qemu_register_machine(&versatilepb_machine); | |
6981 | qemu_register_machine(&versatileab_machine); | |
6982 | qemu_register_machine(&realview_machine); | |
6983 | qemu_register_machine(&akitapda_machine); | |
6984 | qemu_register_machine(&spitzpda_machine); | |
6985 | qemu_register_machine(&borzoipda_machine); | |
6986 | qemu_register_machine(&terrierpda_machine); | |
6987 | #elif defined(TARGET_SH4) | |
6988 | qemu_register_machine(&shix_machine); | |
6989 | #elif defined(TARGET_ALPHA) | |
6990 | /* XXX: TODO */ | |
6991 | #elif defined(TARGET_M68K) | |
6992 | qemu_register_machine(&mcf5208evb_machine); | |
6993 | qemu_register_machine(&an5206_machine); | |
6994 | #else | |
6995 | #error unsupported CPU | |
6996 | #endif | |
6997 | } | |
6998 | ||
6999 | #ifdef HAS_AUDIO | |
7000 | struct soundhw soundhw[] = { | |
7001 | #ifdef HAS_AUDIO_CHOICE | |
7002 | #ifdef TARGET_I386 | |
7003 | { | |
7004 | "pcspk", | |
7005 | "PC speaker", | |
7006 | 0, | |
7007 | 1, | |
7008 | { .init_isa = pcspk_audio_init } | |
7009 | }, | |
7010 | #endif | |
7011 | { | |
7012 | "sb16", | |
7013 | "Creative Sound Blaster 16", | |
7014 | 0, | |
7015 | 1, | |
7016 | { .init_isa = SB16_init } | |
7017 | }, | |
7018 | ||
7019 | #ifdef CONFIG_ADLIB | |
7020 | { | |
7021 | "adlib", | |
7022 | #ifdef HAS_YMF262 | |
7023 | "Yamaha YMF262 (OPL3)", | |
7024 | #else | |
7025 | "Yamaha YM3812 (OPL2)", | |
7026 | #endif | |
7027 | 0, | |
7028 | 1, | |
7029 | { .init_isa = Adlib_init } | |
7030 | }, | |
7031 | #endif | |
7032 | ||
7033 | #ifdef CONFIG_GUS | |
7034 | { | |
7035 | "gus", | |
7036 | "Gravis Ultrasound GF1", | |
7037 | 0, | |
7038 | 1, | |
7039 | { .init_isa = GUS_init } | |
7040 | }, | |
7041 | #endif | |
7042 | ||
7043 | { | |
7044 | "es1370", | |
7045 | "ENSONIQ AudioPCI ES1370", | |
7046 | 0, | |
7047 | 0, | |
7048 | { .init_pci = es1370_init } | |
7049 | }, | |
7050 | #endif | |
7051 | ||
7052 | { NULL, NULL, 0, 0, { NULL } } | |
7053 | }; | |
7054 | ||
7055 | static void select_soundhw (const char *optarg) | |
7056 | { | |
7057 | struct soundhw *c; | |
7058 | ||
7059 | if (*optarg == '?') { | |
7060 | show_valid_cards: | |
7061 | ||
7062 | printf ("Valid sound card names (comma separated):\n"); | |
7063 | for (c = soundhw; c->name; ++c) { | |
7064 | printf ("%-11s %s\n", c->name, c->descr); | |
7065 | } | |
7066 | printf ("\n-soundhw all will enable all of the above\n"); | |
7067 | exit (*optarg != '?'); | |
7068 | } | |
7069 | else { | |
7070 | size_t l; | |
7071 | const char *p; | |
7072 | char *e; | |
7073 | int bad_card = 0; | |
7074 | ||
7075 | if (!strcmp (optarg, "all")) { | |
7076 | for (c = soundhw; c->name; ++c) { | |
7077 | c->enabled = 1; | |
7078 | } | |
7079 | return; | |
7080 | } | |
7081 | ||
7082 | p = optarg; | |
7083 | while (*p) { | |
7084 | e = strchr (p, ','); | |
7085 | l = !e ? strlen (p) : (size_t) (e - p); | |
7086 | ||
7087 | for (c = soundhw; c->name; ++c) { | |
7088 | if (!strncmp (c->name, p, l)) { | |
7089 | c->enabled = 1; | |
7090 | break; | |
7091 | } | |
7092 | } | |
7093 | ||
7094 | if (!c->name) { | |
7095 | if (l > 80) { | |
7096 | fprintf (stderr, | |
7097 | "Unknown sound card name (too big to show)\n"); | |
7098 | } | |
7099 | else { | |
7100 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
7101 | (int) l, p); | |
7102 | } | |
7103 | bad_card = 1; | |
7104 | } | |
7105 | p += l + (e != NULL); | |
7106 | } | |
7107 | ||
7108 | if (bad_card) | |
7109 | goto show_valid_cards; | |
7110 | } | |
7111 | } | |
7112 | #endif | |
7113 | ||
7114 | #ifdef _WIN32 | |
7115 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
7116 | { | |
7117 | exit(STATUS_CONTROL_C_EXIT); | |
7118 | return TRUE; | |
7119 | } | |
7120 | #endif | |
7121 | ||
7122 | #define MAX_NET_CLIENTS 32 | |
7123 | ||
7124 | int main(int argc, char **argv) | |
7125 | { | |
7126 | #ifdef CONFIG_GDBSTUB | |
7127 | int use_gdbstub; | |
7128 | const char *gdbstub_port; | |
7129 | #endif | |
7130 | int i, cdrom_index, pflash_index; | |
7131 | int snapshot, linux_boot; | |
7132 | const char *initrd_filename; | |
7133 | const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; | |
7134 | const char *pflash_filename[MAX_PFLASH]; | |
7135 | const char *sd_filename; | |
7136 | const char *mtd_filename; | |
7137 | const char *kernel_filename, *kernel_cmdline; | |
7138 | DisplayState *ds = &display_state; | |
7139 | int cyls, heads, secs, translation; | |
7140 | char net_clients[MAX_NET_CLIENTS][256]; | |
7141 | int nb_net_clients; | |
7142 | int optind; | |
7143 | const char *r, *optarg; | |
7144 | CharDriverState *monitor_hd; | |
7145 | char monitor_device[128]; | |
7146 | char serial_devices[MAX_SERIAL_PORTS][128]; | |
7147 | int serial_device_index; | |
7148 | char parallel_devices[MAX_PARALLEL_PORTS][128]; | |
7149 | int parallel_device_index; | |
7150 | const char *loadvm = NULL; | |
7151 | QEMUMachine *machine; | |
7152 | const char *cpu_model; | |
7153 | char usb_devices[MAX_USB_CMDLINE][128]; | |
7154 | int usb_devices_index; | |
7155 | int fds[2]; | |
7156 | const char *pid_file = NULL; | |
7157 | VLANState *vlan; | |
7158 | ||
7159 | LIST_INIT (&vm_change_state_head); | |
7160 | #ifndef _WIN32 | |
7161 | { | |
7162 | struct sigaction act; | |
7163 | sigfillset(&act.sa_mask); | |
7164 | act.sa_flags = 0; | |
7165 | act.sa_handler = SIG_IGN; | |
7166 | sigaction(SIGPIPE, &act, NULL); | |
7167 | } | |
7168 | #else | |
7169 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
7170 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
7171 | QEMU to run on a single CPU */ | |
7172 | { | |
7173 | HANDLE h; | |
7174 | DWORD mask, smask; | |
7175 | int i; | |
7176 | h = GetCurrentProcess(); | |
7177 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
7178 | for(i = 0; i < 32; i++) { | |
7179 | if (mask & (1 << i)) | |
7180 | break; | |
7181 | } | |
7182 | if (i != 32) { | |
7183 | mask = 1 << i; | |
7184 | SetProcessAffinityMask(h, mask); | |
7185 | } | |
7186 | } | |
7187 | } | |
7188 | #endif | |
7189 | ||
7190 | register_machines(); | |
7191 | machine = first_machine; | |
7192 | cpu_model = NULL; | |
7193 | initrd_filename = NULL; | |
7194 | for(i = 0; i < MAX_FD; i++) | |
7195 | fd_filename[i] = NULL; | |
7196 | for(i = 0; i < MAX_DISKS; i++) | |
7197 | hd_filename[i] = NULL; | |
7198 | for(i = 0; i < MAX_PFLASH; i++) | |
7199 | pflash_filename[i] = NULL; | |
7200 | pflash_index = 0; | |
7201 | sd_filename = NULL; | |
7202 | mtd_filename = NULL; | |
7203 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
7204 | vga_ram_size = VGA_RAM_SIZE; | |
7205 | #ifdef CONFIG_GDBSTUB | |
7206 | use_gdbstub = 0; | |
7207 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
7208 | #endif | |
7209 | snapshot = 0; | |
7210 | nographic = 0; | |
7211 | kernel_filename = NULL; | |
7212 | kernel_cmdline = ""; | |
7213 | #ifdef TARGET_PPC | |
7214 | cdrom_index = 1; | |
7215 | #else | |
7216 | cdrom_index = 2; | |
7217 | #endif | |
7218 | cyls = heads = secs = 0; | |
7219 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
7220 | pstrcpy(monitor_device, sizeof(monitor_device), "vc"); | |
7221 | ||
7222 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); | |
7223 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
7224 | serial_devices[i][0] = '\0'; | |
7225 | serial_device_index = 0; | |
7226 | ||
7227 | pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); | |
7228 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
7229 | parallel_devices[i][0] = '\0'; | |
7230 | parallel_device_index = 0; | |
7231 | ||
7232 | usb_devices_index = 0; | |
7233 | ||
7234 | nb_net_clients = 0; | |
7235 | ||
7236 | nb_nics = 0; | |
7237 | /* default mac address of the first network interface */ | |
7238 | ||
7239 | optind = 1; | |
7240 | for(;;) { | |
7241 | if (optind >= argc) | |
7242 | break; | |
7243 | r = argv[optind]; | |
7244 | if (r[0] != '-') { | |
7245 | hd_filename[0] = argv[optind++]; | |
7246 | } else { | |
7247 | const QEMUOption *popt; | |
7248 | ||
7249 | optind++; | |
7250 | /* Treat --foo the same as -foo. */ | |
7251 | if (r[1] == '-') | |
7252 | r++; | |
7253 | popt = qemu_options; | |
7254 | for(;;) { | |
7255 | if (!popt->name) { | |
7256 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
7257 | argv[0], r); | |
7258 | exit(1); | |
7259 | } | |
7260 | if (!strcmp(popt->name, r + 1)) | |
7261 | break; | |
7262 | popt++; | |
7263 | } | |
7264 | if (popt->flags & HAS_ARG) { | |
7265 | if (optind >= argc) { | |
7266 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
7267 | argv[0], r); | |
7268 | exit(1); | |
7269 | } | |
7270 | optarg = argv[optind++]; | |
7271 | } else { | |
7272 | optarg = NULL; | |
7273 | } | |
7274 | ||
7275 | switch(popt->index) { | |
7276 | case QEMU_OPTION_M: | |
7277 | machine = find_machine(optarg); | |
7278 | if (!machine) { | |
7279 | QEMUMachine *m; | |
7280 | printf("Supported machines are:\n"); | |
7281 | for(m = first_machine; m != NULL; m = m->next) { | |
7282 | printf("%-10s %s%s\n", | |
7283 | m->name, m->desc, | |
7284 | m == first_machine ? " (default)" : ""); | |
7285 | } | |
7286 | exit(1); | |
7287 | } | |
7288 | break; | |
7289 | case QEMU_OPTION_cpu: | |
7290 | /* hw initialization will check this */ | |
7291 | if (optarg[0] == '?') { | |
7292 | #if defined(TARGET_PPC) | |
7293 | ppc_cpu_list(stdout, &fprintf); | |
7294 | #elif defined(TARGET_ARM) | |
7295 | arm_cpu_list(); | |
7296 | #elif defined(TARGET_MIPS) | |
7297 | mips_cpu_list(stdout, &fprintf); | |
7298 | #elif defined(TARGET_SPARC) | |
7299 | sparc_cpu_list(stdout, &fprintf); | |
7300 | #endif | |
7301 | exit(1); | |
7302 | } else { | |
7303 | cpu_model = optarg; | |
7304 | } | |
7305 | break; | |
7306 | case QEMU_OPTION_initrd: | |
7307 | initrd_filename = optarg; | |
7308 | break; | |
7309 | case QEMU_OPTION_hda: | |
7310 | case QEMU_OPTION_hdb: | |
7311 | case QEMU_OPTION_hdc: | |
7312 | case QEMU_OPTION_hdd: | |
7313 | { | |
7314 | int hd_index; | |
7315 | hd_index = popt->index - QEMU_OPTION_hda; | |
7316 | hd_filename[hd_index] = optarg; | |
7317 | if (hd_index == cdrom_index) | |
7318 | cdrom_index = -1; | |
7319 | } | |
7320 | break; | |
7321 | case QEMU_OPTION_mtdblock: | |
7322 | mtd_filename = optarg; | |
7323 | break; | |
7324 | case QEMU_OPTION_sd: | |
7325 | sd_filename = optarg; | |
7326 | break; | |
7327 | case QEMU_OPTION_pflash: | |
7328 | if (pflash_index >= MAX_PFLASH) { | |
7329 | fprintf(stderr, "qemu: too many parallel flash images\n"); | |
7330 | exit(1); | |
7331 | } | |
7332 | pflash_filename[pflash_index++] = optarg; | |
7333 | break; | |
7334 | case QEMU_OPTION_snapshot: | |
7335 | snapshot = 1; | |
7336 | break; | |
7337 | case QEMU_OPTION_hdachs: | |
7338 | { | |
7339 | const char *p; | |
7340 | p = optarg; | |
7341 | cyls = strtol(p, (char **)&p, 0); | |
7342 | if (cyls < 1 || cyls > 16383) | |
7343 | goto chs_fail; | |
7344 | if (*p != ',') | |
7345 | goto chs_fail; | |
7346 | p++; | |
7347 | heads = strtol(p, (char **)&p, 0); | |
7348 | if (heads < 1 || heads > 16) | |
7349 | goto chs_fail; | |
7350 | if (*p != ',') | |
7351 | goto chs_fail; | |
7352 | p++; | |
7353 | secs = strtol(p, (char **)&p, 0); | |
7354 | if (secs < 1 || secs > 63) | |
7355 | goto chs_fail; | |
7356 | if (*p == ',') { | |
7357 | p++; | |
7358 | if (!strcmp(p, "none")) | |
7359 | translation = BIOS_ATA_TRANSLATION_NONE; | |
7360 | else if (!strcmp(p, "lba")) | |
7361 | translation = BIOS_ATA_TRANSLATION_LBA; | |
7362 | else if (!strcmp(p, "auto")) | |
7363 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
7364 | else | |
7365 | goto chs_fail; | |
7366 | } else if (*p != '\0') { | |
7367 | chs_fail: | |
7368 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
7369 | exit(1); | |
7370 | } | |
7371 | } | |
7372 | break; | |
7373 | case QEMU_OPTION_nographic: | |
7374 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); | |
7375 | pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "null"); | |
7376 | pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); | |
7377 | nographic = 1; | |
7378 | break; | |
7379 | case QEMU_OPTION_portrait: | |
7380 | graphic_rotate = 1; | |
7381 | break; | |
7382 | case QEMU_OPTION_kernel: | |
7383 | kernel_filename = optarg; | |
7384 | break; | |
7385 | case QEMU_OPTION_append: | |
7386 | kernel_cmdline = optarg; | |
7387 | break; | |
7388 | case QEMU_OPTION_cdrom: | |
7389 | if (cdrom_index >= 0) { | |
7390 | hd_filename[cdrom_index] = optarg; | |
7391 | } | |
7392 | break; | |
7393 | case QEMU_OPTION_boot: | |
7394 | boot_device = optarg[0]; | |
7395 | if (boot_device != 'a' && | |
7396 | #if defined(TARGET_SPARC) || defined(TARGET_I386) | |
7397 | // Network boot | |
7398 | boot_device != 'n' && | |
7399 | #endif | |
7400 | boot_device != 'c' && boot_device != 'd') { | |
7401 | fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device); | |
7402 | exit(1); | |
7403 | } | |
7404 | break; | |
7405 | case QEMU_OPTION_fda: | |
7406 | fd_filename[0] = optarg; | |
7407 | break; | |
7408 | case QEMU_OPTION_fdb: | |
7409 | fd_filename[1] = optarg; | |
7410 | break; | |
7411 | #ifdef TARGET_I386 | |
7412 | case QEMU_OPTION_no_fd_bootchk: | |
7413 | fd_bootchk = 0; | |
7414 | break; | |
7415 | #endif | |
7416 | case QEMU_OPTION_no_code_copy: | |
7417 | code_copy_enabled = 0; | |
7418 | break; | |
7419 | case QEMU_OPTION_net: | |
7420 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
7421 | fprintf(stderr, "qemu: too many network clients\n"); | |
7422 | exit(1); | |
7423 | } | |
7424 | pstrcpy(net_clients[nb_net_clients], | |
7425 | sizeof(net_clients[0]), | |
7426 | optarg); | |
7427 | nb_net_clients++; | |
7428 | break; | |
7429 | #ifdef CONFIG_SLIRP | |
7430 | case QEMU_OPTION_tftp: | |
7431 | tftp_prefix = optarg; | |
7432 | break; | |
7433 | case QEMU_OPTION_bootp: | |
7434 | bootp_filename = optarg; | |
7435 | break; | |
7436 | #ifndef _WIN32 | |
7437 | case QEMU_OPTION_smb: | |
7438 | net_slirp_smb(optarg); | |
7439 | break; | |
7440 | #endif | |
7441 | case QEMU_OPTION_redir: | |
7442 | net_slirp_redir(optarg); | |
7443 | break; | |
7444 | #endif | |
7445 | #ifdef HAS_AUDIO | |
7446 | case QEMU_OPTION_audio_help: | |
7447 | AUD_help (); | |
7448 | exit (0); | |
7449 | break; | |
7450 | case QEMU_OPTION_soundhw: | |
7451 | select_soundhw (optarg); | |
7452 | break; | |
7453 | #endif | |
7454 | case QEMU_OPTION_h: | |
7455 | help(optarg); | |
7456 | break; | |
7457 | case QEMU_OPTION_m: | |
7458 | ram_size = atoi(optarg) * 1024 * 1024; | |
7459 | if (ram_size <= 0) | |
7460 | help(optarg); | |
7461 | if (ram_size > PHYS_RAM_MAX_SIZE) { | |
7462 | fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n", | |
7463 | PHYS_RAM_MAX_SIZE / (1024 * 1024)); | |
7464 | exit(1); | |
7465 | } | |
7466 | break; | |
7467 | case QEMU_OPTION_d: | |
7468 | { | |
7469 | int mask; | |
7470 | CPULogItem *item; | |
7471 | ||
7472 | mask = cpu_str_to_log_mask(optarg); | |
7473 | if (!mask) { | |
7474 | printf("Log items (comma separated):\n"); | |
7475 | for(item = cpu_log_items; item->mask != 0; item++) { | |
7476 | printf("%-10s %s\n", item->name, item->help); | |
7477 | } | |
7478 | exit(1); | |
7479 | } | |
7480 | cpu_set_log(mask); | |
7481 | } | |
7482 | break; | |
7483 | #ifdef CONFIG_GDBSTUB | |
7484 | case QEMU_OPTION_s: | |
7485 | use_gdbstub = 1; | |
7486 | break; | |
7487 | case QEMU_OPTION_p: | |
7488 | gdbstub_port = optarg; | |
7489 | break; | |
7490 | #endif | |
7491 | case QEMU_OPTION_L: | |
7492 | bios_dir = optarg; | |
7493 | break; | |
7494 | case QEMU_OPTION_S: | |
7495 | autostart = 0; | |
7496 | break; | |
7497 | case QEMU_OPTION_k: | |
7498 | keyboard_layout = optarg; | |
7499 | break; | |
7500 | case QEMU_OPTION_localtime: | |
7501 | rtc_utc = 0; | |
7502 | break; | |
7503 | case QEMU_OPTION_cirrusvga: | |
7504 | cirrus_vga_enabled = 1; | |
7505 | vmsvga_enabled = 0; | |
7506 | break; | |
7507 | case QEMU_OPTION_vmsvga: | |
7508 | cirrus_vga_enabled = 0; | |
7509 | vmsvga_enabled = 1; | |
7510 | break; | |
7511 | case QEMU_OPTION_std_vga: | |
7512 | cirrus_vga_enabled = 0; | |
7513 | vmsvga_enabled = 0; | |
7514 | break; | |
7515 | case QEMU_OPTION_g: | |
7516 | { | |
7517 | const char *p; | |
7518 | int w, h, depth; | |
7519 | p = optarg; | |
7520 | w = strtol(p, (char **)&p, 10); | |
7521 | if (w <= 0) { | |
7522 | graphic_error: | |
7523 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
7524 | exit(1); | |
7525 | } | |
7526 | if (*p != 'x') | |
7527 | goto graphic_error; | |
7528 | p++; | |
7529 | h = strtol(p, (char **)&p, 10); | |
7530 | if (h <= 0) | |
7531 | goto graphic_error; | |
7532 | if (*p == 'x') { | |
7533 | p++; | |
7534 | depth = strtol(p, (char **)&p, 10); | |
7535 | if (depth != 8 && depth != 15 && depth != 16 && | |
7536 | depth != 24 && depth != 32) | |
7537 | goto graphic_error; | |
7538 | } else if (*p == '\0') { | |
7539 | depth = graphic_depth; | |
7540 | } else { | |
7541 | goto graphic_error; | |
7542 | } | |
7543 | ||
7544 | graphic_width = w; | |
7545 | graphic_height = h; | |
7546 | graphic_depth = depth; | |
7547 | } | |
7548 | break; | |
7549 | case QEMU_OPTION_echr: | |
7550 | { | |
7551 | char *r; | |
7552 | term_escape_char = strtol(optarg, &r, 0); | |
7553 | if (r == optarg) | |
7554 | printf("Bad argument to echr\n"); | |
7555 | break; | |
7556 | } | |
7557 | case QEMU_OPTION_monitor: | |
7558 | pstrcpy(monitor_device, sizeof(monitor_device), optarg); | |
7559 | break; | |
7560 | case QEMU_OPTION_serial: | |
7561 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
7562 | fprintf(stderr, "qemu: too many serial ports\n"); | |
7563 | exit(1); | |
7564 | } | |
7565 | pstrcpy(serial_devices[serial_device_index], | |
7566 | sizeof(serial_devices[0]), optarg); | |
7567 | serial_device_index++; | |
7568 | break; | |
7569 | case QEMU_OPTION_parallel: | |
7570 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
7571 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
7572 | exit(1); | |
7573 | } | |
7574 | pstrcpy(parallel_devices[parallel_device_index], | |
7575 | sizeof(parallel_devices[0]), optarg); | |
7576 | parallel_device_index++; | |
7577 | break; | |
7578 | case QEMU_OPTION_loadvm: | |
7579 | loadvm = optarg; | |
7580 | break; | |
7581 | case QEMU_OPTION_full_screen: | |
7582 | full_screen = 1; | |
7583 | break; | |
7584 | #ifdef CONFIG_SDL | |
7585 | case QEMU_OPTION_no_frame: | |
7586 | no_frame = 1; | |
7587 | break; | |
7588 | case QEMU_OPTION_alt_grab: | |
7589 | alt_grab = 1; | |
7590 | break; | |
7591 | case QEMU_OPTION_no_quit: | |
7592 | no_quit = 1; | |
7593 | break; | |
7594 | #endif | |
7595 | case QEMU_OPTION_pidfile: | |
7596 | pid_file = optarg; | |
7597 | break; | |
7598 | #ifdef TARGET_I386 | |
7599 | case QEMU_OPTION_win2k_hack: | |
7600 | win2k_install_hack = 1; | |
7601 | break; | |
7602 | #endif | |
7603 | #ifdef USE_KQEMU | |
7604 | case QEMU_OPTION_no_kqemu: | |
7605 | kqemu_allowed = 0; | |
7606 | break; | |
7607 | case QEMU_OPTION_kernel_kqemu: | |
7608 | kqemu_allowed = 2; | |
7609 | break; | |
7610 | #endif | |
7611 | case QEMU_OPTION_usb: | |
7612 | usb_enabled = 1; | |
7613 | break; | |
7614 | case QEMU_OPTION_usbdevice: | |
7615 | usb_enabled = 1; | |
7616 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
7617 | fprintf(stderr, "Too many USB devices\n"); | |
7618 | exit(1); | |
7619 | } | |
7620 | pstrcpy(usb_devices[usb_devices_index], | |
7621 | sizeof(usb_devices[usb_devices_index]), | |
7622 | optarg); | |
7623 | usb_devices_index++; | |
7624 | break; | |
7625 | case QEMU_OPTION_smp: | |
7626 | smp_cpus = atoi(optarg); | |
7627 | if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { | |
7628 | fprintf(stderr, "Invalid number of CPUs\n"); | |
7629 | exit(1); | |
7630 | } | |
7631 | break; | |
7632 | case QEMU_OPTION_vnc: | |
7633 | vnc_display = optarg; | |
7634 | break; | |
7635 | case QEMU_OPTION_no_acpi: | |
7636 | acpi_enabled = 0; | |
7637 | break; | |
7638 | case QEMU_OPTION_no_reboot: | |
7639 | no_reboot = 1; | |
7640 | break; | |
7641 | case QEMU_OPTION_show_cursor: | |
7642 | cursor_hide = 0; | |
7643 | break; | |
7644 | case QEMU_OPTION_daemonize: | |
7645 | daemonize = 1; | |
7646 | break; | |
7647 | case QEMU_OPTION_option_rom: | |
7648 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
7649 | fprintf(stderr, "Too many option ROMs\n"); | |
7650 | exit(1); | |
7651 | } | |
7652 | option_rom[nb_option_roms] = optarg; | |
7653 | nb_option_roms++; | |
7654 | break; | |
7655 | case QEMU_OPTION_semihosting: | |
7656 | semihosting_enabled = 1; | |
7657 | break; | |
7658 | case QEMU_OPTION_name: | |
7659 | qemu_name = optarg; | |
7660 | break; | |
7661 | #ifdef TARGET_SPARC | |
7662 | case QEMU_OPTION_prom_env: | |
7663 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
7664 | fprintf(stderr, "Too many prom variables\n"); | |
7665 | exit(1); | |
7666 | } | |
7667 | prom_envs[nb_prom_envs] = optarg; | |
7668 | nb_prom_envs++; | |
7669 | break; | |
7670 | #endif | |
7671 | } | |
7672 | } | |
7673 | } | |
7674 | ||
7675 | #ifndef _WIN32 | |
7676 | if (daemonize && !nographic && vnc_display == NULL) { | |
7677 | fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n"); | |
7678 | daemonize = 0; | |
7679 | } | |
7680 | ||
7681 | if (daemonize) { | |
7682 | pid_t pid; | |
7683 | ||
7684 | if (pipe(fds) == -1) | |
7685 | exit(1); | |
7686 | ||
7687 | pid = fork(); | |
7688 | if (pid > 0) { | |
7689 | uint8_t status; | |
7690 | ssize_t len; | |
7691 | ||
7692 | close(fds[1]); | |
7693 | ||
7694 | again: | |
7695 | len = read(fds[0], &status, 1); | |
7696 | if (len == -1 && (errno == EINTR)) | |
7697 | goto again; | |
7698 | ||
7699 | if (len != 1) | |
7700 | exit(1); | |
7701 | else if (status == 1) { | |
7702 | fprintf(stderr, "Could not acquire pidfile\n"); | |
7703 | exit(1); | |
7704 | } else | |
7705 | exit(0); | |
7706 | } else if (pid < 0) | |
7707 | exit(1); | |
7708 | ||
7709 | setsid(); | |
7710 | ||
7711 | pid = fork(); | |
7712 | if (pid > 0) | |
7713 | exit(0); | |
7714 | else if (pid < 0) | |
7715 | exit(1); | |
7716 | ||
7717 | umask(027); | |
7718 | chdir("/"); | |
7719 | ||
7720 | signal(SIGTSTP, SIG_IGN); | |
7721 | signal(SIGTTOU, SIG_IGN); | |
7722 | signal(SIGTTIN, SIG_IGN); | |
7723 | } | |
7724 | #endif | |
7725 | ||
7726 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { | |
7727 | if (daemonize) { | |
7728 | uint8_t status = 1; | |
7729 | write(fds[1], &status, 1); | |
7730 | } else | |
7731 | fprintf(stderr, "Could not acquire pid file\n"); | |
7732 | exit(1); | |
7733 | } | |
7734 | ||
7735 | #ifdef USE_KQEMU | |
7736 | if (smp_cpus > 1) | |
7737 | kqemu_allowed = 0; | |
7738 | #endif | |
7739 | linux_boot = (kernel_filename != NULL); | |
7740 | ||
7741 | if (!linux_boot && | |
7742 | boot_device != 'n' && | |
7743 | hd_filename[0] == '\0' && | |
7744 | (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') && | |
7745 | fd_filename[0] == '\0') | |
7746 | help(""); | |
7747 | ||
7748 | /* boot to floppy or the default cd if no hard disk defined yet */ | |
7749 | if (hd_filename[0] == '\0' && boot_device == 'c') { | |
7750 | if (fd_filename[0] != '\0') | |
7751 | boot_device = 'a'; | |
7752 | else | |
7753 | boot_device = 'd'; | |
7754 | } | |
7755 | ||
7756 | setvbuf(stdout, NULL, _IOLBF, 0); | |
7757 | ||
7758 | init_timers(); | |
7759 | init_timer_alarm(); | |
7760 | qemu_aio_init(); | |
7761 | ||
7762 | #ifdef _WIN32 | |
7763 | socket_init(); | |
7764 | #endif | |
7765 | ||
7766 | /* init network clients */ | |
7767 | if (nb_net_clients == 0) { | |
7768 | /* if no clients, we use a default config */ | |
7769 | pstrcpy(net_clients[0], sizeof(net_clients[0]), | |
7770 | "nic"); | |
7771 | pstrcpy(net_clients[1], sizeof(net_clients[0]), | |
7772 | "user"); | |
7773 | nb_net_clients = 2; | |
7774 | } | |
7775 | ||
7776 | for(i = 0;i < nb_net_clients; i++) { | |
7777 | if (net_client_init(net_clients[i]) < 0) | |
7778 | exit(1); | |
7779 | } | |
7780 | for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { | |
7781 | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) | |
7782 | continue; | |
7783 | if (vlan->nb_guest_devs == 0) { | |
7784 | fprintf(stderr, "Invalid vlan (%d) with no nics\n", vlan->id); | |
7785 | exit(1); | |
7786 | } | |
7787 | if (vlan->nb_host_devs == 0) | |
7788 | fprintf(stderr, | |
7789 | "Warning: vlan %d is not connected to host network\n", | |
7790 | vlan->id); | |
7791 | } | |
7792 | ||
7793 | #ifdef TARGET_I386 | |
7794 | if (boot_device == 'n') { | |
7795 | for (i = 0; i < nb_nics; i++) { | |
7796 | const char *model = nd_table[i].model; | |
7797 | char buf[1024]; | |
7798 | if (model == NULL) | |
7799 | model = "ne2k_pci"; | |
7800 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); | |
7801 | if (get_image_size(buf) > 0) { | |
7802 | option_rom[nb_option_roms] = strdup(buf); | |
7803 | nb_option_roms++; | |
7804 | break; | |
7805 | } | |
7806 | } | |
7807 | if (i == nb_nics) { | |
7808 | fprintf(stderr, "No valid PXE rom found for network device\n"); | |
7809 | exit(1); | |
7810 | } | |
7811 | boot_device = 'c'; /* to prevent confusion by the BIOS */ | |
7812 | } | |
7813 | #endif | |
7814 | ||
7815 | /* init the memory */ | |
7816 | phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE; | |
7817 | ||
7818 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
7819 | if (!phys_ram_base) { | |
7820 | fprintf(stderr, "Could not allocate physical memory\n"); | |
7821 | exit(1); | |
7822 | } | |
7823 | ||
7824 | /* we always create the cdrom drive, even if no disk is there */ | |
7825 | bdrv_init(); | |
7826 | if (cdrom_index >= 0) { | |
7827 | bs_table[cdrom_index] = bdrv_new("cdrom"); | |
7828 | bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM); | |
7829 | } | |
7830 | ||
7831 | /* open the virtual block devices */ | |
7832 | for(i = 0; i < MAX_DISKS; i++) { | |
7833 | if (hd_filename[i]) { | |
7834 | if (!bs_table[i]) { | |
7835 | char buf[64]; | |
7836 | snprintf(buf, sizeof(buf), "hd%c", i + 'a'); | |
7837 | bs_table[i] = bdrv_new(buf); | |
7838 | } | |
7839 | if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7840 | fprintf(stderr, "qemu: could not open hard disk image '%s'\n", | |
7841 | hd_filename[i]); | |
7842 | exit(1); | |
7843 | } | |
7844 | if (i == 0 && cyls != 0) { | |
7845 | bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); | |
7846 | bdrv_set_translation_hint(bs_table[i], translation); | |
7847 | } | |
7848 | } | |
7849 | } | |
7850 | ||
7851 | /* we always create at least one floppy disk */ | |
7852 | fd_table[0] = bdrv_new("fda"); | |
7853 | bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY); | |
7854 | ||
7855 | for(i = 0; i < MAX_FD; i++) { | |
7856 | if (fd_filename[i]) { | |
7857 | if (!fd_table[i]) { | |
7858 | char buf[64]; | |
7859 | snprintf(buf, sizeof(buf), "fd%c", i + 'a'); | |
7860 | fd_table[i] = bdrv_new(buf); | |
7861 | bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); | |
7862 | } | |
7863 | if (fd_filename[i][0] != '\0') { | |
7864 | if (bdrv_open(fd_table[i], fd_filename[i], | |
7865 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7866 | fprintf(stderr, "qemu: could not open floppy disk image '%s'\n", | |
7867 | fd_filename[i]); | |
7868 | exit(1); | |
7869 | } | |
7870 | } | |
7871 | } | |
7872 | } | |
7873 | ||
7874 | /* Open the virtual parallel flash block devices */ | |
7875 | for(i = 0; i < MAX_PFLASH; i++) { | |
7876 | if (pflash_filename[i]) { | |
7877 | if (!pflash_table[i]) { | |
7878 | char buf[64]; | |
7879 | snprintf(buf, sizeof(buf), "fl%c", i + 'a'); | |
7880 | pflash_table[i] = bdrv_new(buf); | |
7881 | } | |
7882 | if (bdrv_open(pflash_table[i], pflash_filename[i], | |
7883 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7884 | fprintf(stderr, "qemu: could not open flash image '%s'\n", | |
7885 | pflash_filename[i]); | |
7886 | exit(1); | |
7887 | } | |
7888 | } | |
7889 | } | |
7890 | ||
7891 | sd_bdrv = bdrv_new ("sd"); | |
7892 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
7893 | approximation. */ | |
7894 | bdrv_set_type_hint(sd_bdrv, BDRV_TYPE_FLOPPY); | |
7895 | if (sd_filename) { | |
7896 | if (bdrv_open(sd_bdrv, sd_filename, | |
7897 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0) { | |
7898 | fprintf(stderr, "qemu: could not open SD card image %s\n", | |
7899 | sd_filename); | |
7900 | } else | |
7901 | qemu_key_check(sd_bdrv, sd_filename); | |
7902 | } | |
7903 | ||
7904 | if (mtd_filename) { | |
7905 | mtd_bdrv = bdrv_new ("mtd"); | |
7906 | if (bdrv_open(mtd_bdrv, mtd_filename, | |
7907 | snapshot ? BDRV_O_SNAPSHOT : 0) < 0 || | |
7908 | qemu_key_check(mtd_bdrv, mtd_filename)) { | |
7909 | fprintf(stderr, "qemu: could not open Flash image %s\n", | |
7910 | mtd_filename); | |
7911 | bdrv_delete(mtd_bdrv); | |
7912 | mtd_bdrv = 0; | |
7913 | } | |
7914 | } | |
7915 | ||
7916 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
7917 | register_savevm("ram", 0, 2, ram_save, ram_load, NULL); | |
7918 | ||
7919 | init_ioports(); | |
7920 | ||
7921 | /* terminal init */ | |
7922 | memset(&display_state, 0, sizeof(display_state)); | |
7923 | if (nographic) { | |
7924 | /* nearly nothing to do */ | |
7925 | dumb_display_init(ds); | |
7926 | } else if (vnc_display != NULL) { | |
7927 | vnc_display_init(ds, vnc_display); | |
7928 | } else { | |
7929 | #if defined(CONFIG_SDL) | |
7930 | sdl_display_init(ds, full_screen, no_frame); | |
7931 | #elif defined(CONFIG_COCOA) | |
7932 | cocoa_display_init(ds, full_screen); | |
7933 | #endif | |
7934 | } | |
7935 | ||
7936 | /* Maintain compatibility with multiple stdio monitors */ | |
7937 | if (!strcmp(monitor_device,"stdio")) { | |
7938 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
7939 | if (!strcmp(serial_devices[i],"mon:stdio")) { | |
7940 | monitor_device[0] = '\0'; | |
7941 | break; | |
7942 | } else if (!strcmp(serial_devices[i],"stdio")) { | |
7943 | monitor_device[0] = '\0'; | |
7944 | pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio"); | |
7945 | break; | |
7946 | } | |
7947 | } | |
7948 | } | |
7949 | if (monitor_device[0] != '\0') { | |
7950 | monitor_hd = qemu_chr_open(monitor_device); | |
7951 | if (!monitor_hd) { | |
7952 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
7953 | exit(1); | |
7954 | } | |
7955 | monitor_init(monitor_hd, !nographic); | |
7956 | } | |
7957 | ||
7958 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
7959 | const char *devname = serial_devices[i]; | |
7960 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
7961 | serial_hds[i] = qemu_chr_open(devname); | |
7962 | if (!serial_hds[i]) { | |
7963 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
7964 | devname); | |
7965 | exit(1); | |
7966 | } | |
7967 | if (!strcmp(devname, "vc")) | |
7968 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
7969 | } | |
7970 | } | |
7971 | ||
7972 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
7973 | const char *devname = parallel_devices[i]; | |
7974 | if (devname[0] != '\0' && strcmp(devname, "none")) { | |
7975 | parallel_hds[i] = qemu_chr_open(devname); | |
7976 | if (!parallel_hds[i]) { | |
7977 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
7978 | devname); | |
7979 | exit(1); | |
7980 | } | |
7981 | if (!strcmp(devname, "vc")) | |
7982 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
7983 | } | |
7984 | } | |
7985 | ||
7986 | machine->init(ram_size, vga_ram_size, boot_device, | |
7987 | ds, fd_filename, snapshot, | |
7988 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
7989 | ||
7990 | /* init USB devices */ | |
7991 | if (usb_enabled) { | |
7992 | for(i = 0; i < usb_devices_index; i++) { | |
7993 | if (usb_device_add(usb_devices[i]) < 0) { | |
7994 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
7995 | usb_devices[i]); | |
7996 | } | |
7997 | } | |
7998 | } | |
7999 | ||
8000 | if (display_state.dpy_refresh) { | |
8001 | display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); | |
8002 | qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); | |
8003 | } | |
8004 | ||
8005 | #ifdef CONFIG_GDBSTUB | |
8006 | if (use_gdbstub) { | |
8007 | /* XXX: use standard host:port notation and modify options | |
8008 | accordingly. */ | |
8009 | if (gdbserver_start(gdbstub_port) < 0) { | |
8010 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", | |
8011 | gdbstub_port); | |
8012 | exit(1); | |
8013 | } | |
8014 | } else | |
8015 | #endif | |
8016 | if (loadvm) | |
8017 | do_loadvm(loadvm); | |
8018 | ||
8019 | { | |
8020 | /* XXX: simplify init */ | |
8021 | read_passwords(); | |
8022 | if (autostart) { | |
8023 | vm_start(); | |
8024 | } | |
8025 | } | |
8026 | ||
8027 | if (daemonize) { | |
8028 | uint8_t status = 0; | |
8029 | ssize_t len; | |
8030 | int fd; | |
8031 | ||
8032 | again1: | |
8033 | len = write(fds[1], &status, 1); | |
8034 | if (len == -1 && (errno == EINTR)) | |
8035 | goto again1; | |
8036 | ||
8037 | if (len != 1) | |
8038 | exit(1); | |
8039 | ||
8040 | fd = open("/dev/null", O_RDWR); | |
8041 | if (fd == -1) | |
8042 | exit(1); | |
8043 | ||
8044 | dup2(fd, 0); | |
8045 | dup2(fd, 1); | |
8046 | dup2(fd, 2); | |
8047 | ||
8048 | close(fd); | |
8049 | } | |
8050 | ||
8051 | main_loop(); | |
8052 | quit_timers(); | |
8053 | return 0; | |
8054 | } |