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Set OpenBIOS variables in NVRAM
[qemu/qemu_0_9_1_stable.git] / vl.c
blobf4be1946800376ef3c80223fea01c2e541255ea5
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2007 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "vl.h"
25
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <signal.h>
29 #include <time.h>
30 #include <errno.h>
31 #include <sys/time.h>
32 #include <zlib.h>
33
34 #ifndef _WIN32
35 #include <sys/times.h>
36 #include <sys/wait.h>
37 #include <termios.h>
38 #include <sys/poll.h>
39 #include <sys/mman.h>
40 #include <sys/ioctl.h>
41 #include <sys/socket.h>
42 #include <netinet/in.h>
43 #include <dirent.h>
44 #include <netdb.h>
45 #ifdef _BSD
46 #include <sys/stat.h>
47 #ifndef __APPLE__
48 #include <libutil.h>
49 #endif
50 #else
51 #ifndef __sun__
52 #include <linux/if.h>
53 #include <linux/if_tun.h>
54 #include <pty.h>
55 #include <malloc.h>
56 #include <linux/rtc.h>
57 #include <linux/ppdev.h>
58 #include <linux/parport.h>
59 #else
60 #include <sys/stat.h>
61 #include <sys/ethernet.h>
62 #include <sys/sockio.h>
63 #include <arpa/inet.h>
64 #include <netinet/arp.h>
65 #include <netinet/in.h>
66 #include <netinet/in_systm.h>
67 #include <netinet/ip.h>
68 #include <netinet/ip_icmp.h> // must come after ip.h
69 #include <netinet/udp.h>
70 #include <netinet/tcp.h>
71 #include <net/if.h>
72 #include <syslog.h>
73 #include <stropts.h>
74 #endif
75 #endif
76 #endif
77
78 #if defined(CONFIG_SLIRP)
79 #include "libslirp.h"
80 #endif
81
82 #ifdef _WIN32
83 #include <malloc.h>
84 #include <sys/timeb.h>
85 #include <windows.h>
86 #define getopt_long_only getopt_long
87 #define memalign(align, size) malloc(size)
88 #endif
89
90 #include "qemu_socket.h"
91
92 #ifdef CONFIG_SDL
93 #ifdef __APPLE__
94 #include <SDL/SDL.h>
95 #endif
96 #endif /* CONFIG_SDL */
97
98 #ifdef CONFIG_COCOA
99 #undef main
100 #define main qemu_main
101 #endif /* CONFIG_COCOA */
102
103 #include "disas.h"
104
105 #include "exec-all.h"
106
107 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
108 #ifdef __sun__
109 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
110 #else
111 #define SMBD_COMMAND "/usr/sbin/smbd"
112 #endif
113
114 //#define DEBUG_UNUSED_IOPORT
115 //#define DEBUG_IOPORT
116
117 #define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
118
119 #ifdef TARGET_PPC
120 #define DEFAULT_RAM_SIZE 144
121 #else
122 #define DEFAULT_RAM_SIZE 128
123 #endif
124 /* in ms */
125 #define GUI_REFRESH_INTERVAL 30
126
127 /* Max number of USB devices that can be specified on the commandline. */
128 #define MAX_USB_CMDLINE 8
129
130 /* XXX: use a two level table to limit memory usage */
131 #define MAX_IOPORTS 65536
132
133 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
134 char phys_ram_file[1024];
135 void *ioport_opaque[MAX_IOPORTS];
136 IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
137 IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
138 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
139 to store the VM snapshots */
140 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
141 BlockDriverState *pflash_table[MAX_PFLASH];
142 BlockDriverState *sd_bdrv;
143 BlockDriverState *mtd_bdrv;
144 /* point to the block driver where the snapshots are managed */
145 BlockDriverState *bs_snapshots;
146 int vga_ram_size;
147 static DisplayState display_state;
148 int nographic;
149 const char* keyboard_layout = NULL;
150 int64_t ticks_per_sec;
151 int boot_device = 'c';
152 int ram_size;
153 int pit_min_timer_count = 0;
154 int nb_nics;
155 NICInfo nd_table[MAX_NICS];
156 QEMUTimer *gui_timer;
157 int vm_running;
158 int rtc_utc = 1;
159 int cirrus_vga_enabled = 1;
160 int vmsvga_enabled = 0;
161 #ifdef TARGET_SPARC
162 int graphic_width = 1024;
163 int graphic_height = 768;
164 int graphic_depth = 8;
165 #else
166 int graphic_width = 800;
167 int graphic_height = 600;
168 int graphic_depth = 15;
169 #endif
170 int full_screen = 0;
171 int no_frame = 0;
172 int no_quit = 0;
173 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
174 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
175 #ifdef TARGET_I386
176 int win2k_install_hack = 0;
177 #endif
178 int usb_enabled = 0;
179 static VLANState *first_vlan;
180 int smp_cpus = 1;
181 const char *vnc_display;
182 #if defined(TARGET_SPARC)
183 #define MAX_CPUS 16
184 #elif defined(TARGET_I386)
185 #define MAX_CPUS 255
186 #else
187 #define MAX_CPUS 1
188 #endif
189 int acpi_enabled = 1;
190 int fd_bootchk = 1;
191 int no_reboot = 0;
192 int cursor_hide = 1;
193 int graphic_rotate = 0;
194 int daemonize = 0;
195 const char *option_rom[MAX_OPTION_ROMS];
196 int nb_option_roms;
197 int semihosting_enabled = 0;
198 int autostart = 1;
199 const char *qemu_name;
200 #ifdef TARGET_SPARC
201 unsigned int nb_prom_envs = 0;
202 const char *prom_envs[MAX_PROM_ENVS];
203 #endif
204
205 /***********************************************************/
206 /* x86 ISA bus support */
207
208 target_phys_addr_t isa_mem_base = 0;
209 PicState2 *isa_pic;
210
211 uint32_t default_ioport_readb(void *opaque, uint32_t address)
212 {
213 #ifdef DEBUG_UNUSED_IOPORT
214 fprintf(stderr, "unused inb: port=0x%04x\n", address);
215 #endif
216 return 0xff;
217 }
218
219 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
220 {
221 #ifdef DEBUG_UNUSED_IOPORT
222 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
223 #endif
224 }
225
226 /* default is to make two byte accesses */
227 uint32_t default_ioport_readw(void *opaque, uint32_t address)
228 {
229 uint32_t data;
230 data = ioport_read_table[0][address](ioport_opaque[address], address);
231 address = (address + 1) & (MAX_IOPORTS - 1);
232 data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
233 return data;
234 }
235
236 void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
237 {
238 ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
239 address = (address + 1) & (MAX_IOPORTS - 1);
240 ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
241 }
242
243 uint32_t default_ioport_readl(void *opaque, uint32_t address)
244 {
245 #ifdef DEBUG_UNUSED_IOPORT
246 fprintf(stderr, "unused inl: port=0x%04x\n", address);
247 #endif
248 return 0xffffffff;
249 }
250
251 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
252 {
253 #ifdef DEBUG_UNUSED_IOPORT
254 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
255 #endif
256 }
257
258 void init_ioports(void)
259 {
260 int i;
261
262 for(i = 0; i < MAX_IOPORTS; i++) {
263 ioport_read_table[0][i] = default_ioport_readb;
264 ioport_write_table[0][i] = default_ioport_writeb;
265 ioport_read_table[1][i] = default_ioport_readw;
266 ioport_write_table[1][i] = default_ioport_writew;
267 ioport_read_table[2][i] = default_ioport_readl;
268 ioport_write_table[2][i] = default_ioport_writel;
269 }
270 }
271
272 /* size is the word size in byte */
273 int register_ioport_read(int start, int length, int size,
274 IOPortReadFunc *func, void *opaque)
275 {
276 int i, bsize;
277
278 if (size == 1) {
279 bsize = 0;
280 } else if (size == 2) {
281 bsize = 1;
282 } else if (size == 4) {
283 bsize = 2;
284 } else {
285 hw_error("register_ioport_read: invalid size");
286 return -1;
287 }
288 for(i = start; i < start + length; i += size) {
289 ioport_read_table[bsize][i] = func;
290 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
291 hw_error("register_ioport_read: invalid opaque");
292 ioport_opaque[i] = opaque;
293 }
294 return 0;
295 }
296
297 /* size is the word size in byte */
298 int register_ioport_write(int start, int length, int size,
299 IOPortWriteFunc *func, void *opaque)
300 {
301 int i, bsize;
302
303 if (size == 1) {
304 bsize = 0;
305 } else if (size == 2) {
306 bsize = 1;
307 } else if (size == 4) {
308 bsize = 2;
309 } else {
310 hw_error("register_ioport_write: invalid size");
311 return -1;
312 }
313 for(i = start; i < start + length; i += size) {
314 ioport_write_table[bsize][i] = func;
315 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
316 hw_error("register_ioport_write: invalid opaque");
317 ioport_opaque[i] = opaque;
318 }
319 return 0;
320 }
321
322 void isa_unassign_ioport(int start, int length)
323 {
324 int i;
325
326 for(i = start; i < start + length; i++) {
327 ioport_read_table[0][i] = default_ioport_readb;
328 ioport_read_table[1][i] = default_ioport_readw;
329 ioport_read_table[2][i] = default_ioport_readl;
330
331 ioport_write_table[0][i] = default_ioport_writeb;
332 ioport_write_table[1][i] = default_ioport_writew;
333 ioport_write_table[2][i] = default_ioport_writel;
334 }
335 }
336
337 /***********************************************************/
338
339 void cpu_outb(CPUState *env, int addr, int val)
340 {
341 #ifdef DEBUG_IOPORT
342 if (loglevel & CPU_LOG_IOPORT)
343 fprintf(logfile, "outb: %04x %02x\n", addr, val);
344 #endif
345 ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
346 #ifdef USE_KQEMU
347 if (env)
348 env->last_io_time = cpu_get_time_fast();
349 #endif
350 }
351
352 void cpu_outw(CPUState *env, int addr, int val)
353 {
354 #ifdef DEBUG_IOPORT
355 if (loglevel & CPU_LOG_IOPORT)
356 fprintf(logfile, "outw: %04x %04x\n", addr, val);
357 #endif
358 ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
359 #ifdef USE_KQEMU
360 if (env)
361 env->last_io_time = cpu_get_time_fast();
362 #endif
363 }
364
365 void cpu_outl(CPUState *env, int addr, int val)
366 {
367 #ifdef DEBUG_IOPORT
368 if (loglevel & CPU_LOG_IOPORT)
369 fprintf(logfile, "outl: %04x %08x\n", addr, val);
370 #endif
371 ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
372 #ifdef USE_KQEMU
373 if (env)
374 env->last_io_time = cpu_get_time_fast();
375 #endif
376 }
377
378 int cpu_inb(CPUState *env, int addr)
379 {
380 int val;
381 val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
382 #ifdef DEBUG_IOPORT
383 if (loglevel & CPU_LOG_IOPORT)
384 fprintf(logfile, "inb : %04x %02x\n", addr, val);
385 #endif
386 #ifdef USE_KQEMU
387 if (env)
388 env->last_io_time = cpu_get_time_fast();
389 #endif
390 return val;
391 }
392
393 int cpu_inw(CPUState *env, int addr)
394 {
395 int val;
396 val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
397 #ifdef DEBUG_IOPORT
398 if (loglevel & CPU_LOG_IOPORT)
399 fprintf(logfile, "inw : %04x %04x\n", addr, val);
400 #endif
401 #ifdef USE_KQEMU
402 if (env)
403 env->last_io_time = cpu_get_time_fast();
404 #endif
405 return val;
406 }
407
408 int cpu_inl(CPUState *env, int addr)
409 {
410 int val;
411 val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
412 #ifdef DEBUG_IOPORT
413 if (loglevel & CPU_LOG_IOPORT)
414 fprintf(logfile, "inl : %04x %08x\n", addr, val);
415 #endif
416 #ifdef USE_KQEMU
417 if (env)
418 env->last_io_time = cpu_get_time_fast();
419 #endif
420 return val;
421 }
422
423 /***********************************************************/
424 void hw_error(const char *fmt, ...)
425 {
426 va_list ap;
427 CPUState *env;
428
429 va_start(ap, fmt);
430 fprintf(stderr, "qemu: hardware error: ");
431 vfprintf(stderr, fmt, ap);
432 fprintf(stderr, "\n");
433 for(env = first_cpu; env != NULL; env = env->next_cpu) {
434 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
435 #ifdef TARGET_I386
436 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
437 #else
438 cpu_dump_state(env, stderr, fprintf, 0);
439 #endif
440 }
441 va_end(ap);
442 abort();
443 }
444
445 /***********************************************************/
446 /* keyboard/mouse */
447
448 static QEMUPutKBDEvent *qemu_put_kbd_event;
449 static void *qemu_put_kbd_event_opaque;
450 static QEMUPutMouseEntry *qemu_put_mouse_event_head;
451 static QEMUPutMouseEntry *qemu_put_mouse_event_current;
452
453 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
454 {
455 qemu_put_kbd_event_opaque = opaque;
456 qemu_put_kbd_event = func;
457 }
458
459 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
460 void *opaque, int absolute,
461 const char *name)
462 {
463 QEMUPutMouseEntry *s, *cursor;
464
465 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
466 if (!s)
467 return NULL;
468
469 s->qemu_put_mouse_event = func;
470 s->qemu_put_mouse_event_opaque = opaque;
471 s->qemu_put_mouse_event_absolute = absolute;
472 s->qemu_put_mouse_event_name = qemu_strdup(name);
473 s->next = NULL;
474
475 if (!qemu_put_mouse_event_head) {
476 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
477 return s;
478 }
479
480 cursor = qemu_put_mouse_event_head;
481 while (cursor->next != NULL)
482 cursor = cursor->next;
483
484 cursor->next = s;
485 qemu_put_mouse_event_current = s;
486
487 return s;
488 }
489
490 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
491 {
492 QEMUPutMouseEntry *prev = NULL, *cursor;
493
494 if (!qemu_put_mouse_event_head || entry == NULL)
495 return;
496
497 cursor = qemu_put_mouse_event_head;
498 while (cursor != NULL && cursor != entry) {
499 prev = cursor;
500 cursor = cursor->next;
501 }
502
503 if (cursor == NULL) // does not exist or list empty
504 return;
505 else if (prev == NULL) { // entry is head
506 qemu_put_mouse_event_head = cursor->next;
507 if (qemu_put_mouse_event_current == entry)
508 qemu_put_mouse_event_current = cursor->next;
509 qemu_free(entry->qemu_put_mouse_event_name);
510 qemu_free(entry);
511 return;
512 }
513
514 prev->next = entry->next;
515
516 if (qemu_put_mouse_event_current == entry)
517 qemu_put_mouse_event_current = prev;
518
519 qemu_free(entry->qemu_put_mouse_event_name);
520 qemu_free(entry);
521 }
522
523 void kbd_put_keycode(int keycode)
524 {
525 if (qemu_put_kbd_event) {
526 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
527 }
528 }
529
530 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
531 {
532 QEMUPutMouseEvent *mouse_event;
533 void *mouse_event_opaque;
534 int width;
535
536 if (!qemu_put_mouse_event_current) {
537 return;
538 }
539
540 mouse_event =
541 qemu_put_mouse_event_current->qemu_put_mouse_event;
542 mouse_event_opaque =
543 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
544
545 if (mouse_event) {
546 if (graphic_rotate) {
547 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
548 width = 0x7fff;
549 else
550 width = graphic_width;
551 mouse_event(mouse_event_opaque,
552 width - dy, dx, dz, buttons_state);
553 } else
554 mouse_event(mouse_event_opaque,
555 dx, dy, dz, buttons_state);
556 }
557 }
558
559 int kbd_mouse_is_absolute(void)
560 {
561 if (!qemu_put_mouse_event_current)
562 return 0;
563
564 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
565 }
566
567 void (*kbd_mouse_set)(int x, int y, int on) = NULL;
568 void (*kbd_cursor_define)(int width, int height, int bpp, int hot_x, int hot_y,
569 uint8_t *image, uint8_t *mask) = NULL;
570
571 void do_info_mice(void)
572 {
573 QEMUPutMouseEntry *cursor;
574 int index = 0;
575
576 if (!qemu_put_mouse_event_head) {
577 term_printf("No mouse devices connected\n");
578 return;
579 }
580
581 term_printf("Mouse devices available:\n");
582 cursor = qemu_put_mouse_event_head;
583 while (cursor != NULL) {
584 term_printf("%c Mouse #%d: %s\n",
585 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
586 index, cursor->qemu_put_mouse_event_name);
587 index++;
588 cursor = cursor->next;
589 }
590 }
591
592 void do_mouse_set(int index)
593 {
594 QEMUPutMouseEntry *cursor;
595 int i = 0;
596
597 if (!qemu_put_mouse_event_head) {
598 term_printf("No mouse devices connected\n");
599 return;
600 }
601
602 cursor = qemu_put_mouse_event_head;
603 while (cursor != NULL && index != i) {
604 i++;
605 cursor = cursor->next;
606 }
607
608 if (cursor != NULL)
609 qemu_put_mouse_event_current = cursor;
610 else
611 term_printf("Mouse at given index not found\n");
612 }
613
614 /* compute with 96 bit intermediate result: (a*b)/c */
615 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
616 {
617 union {
618 uint64_t ll;
619 struct {
620 #ifdef WORDS_BIGENDIAN
621 uint32_t high, low;
622 #else
623 uint32_t low, high;
624 #endif
625 } l;
626 } u, res;
627 uint64_t rl, rh;
628
629 u.ll = a;
630 rl = (uint64_t)u.l.low * (uint64_t)b;
631 rh = (uint64_t)u.l.high * (uint64_t)b;
632 rh += (rl >> 32);
633 res.l.high = rh / c;
634 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
635 return res.ll;
636 }
637
638 /***********************************************************/
639 /* real time host monotonic timer */
640
641 #define QEMU_TIMER_BASE 1000000000LL
642
643 #ifdef WIN32
644
645 static int64_t clock_freq;
646
647 static void init_get_clock(void)
648 {
649 LARGE_INTEGER freq;
650 int ret;
651 ret = QueryPerformanceFrequency(&freq);
652 if (ret == 0) {
653 fprintf(stderr, "Could not calibrate ticks\n");
654 exit(1);
655 }
656 clock_freq = freq.QuadPart;
657 }
658
659 static int64_t get_clock(void)
660 {
661 LARGE_INTEGER ti;
662 QueryPerformanceCounter(&ti);
663 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
664 }
665
666 #else
667
668 static int use_rt_clock;
669
670 static void init_get_clock(void)
671 {
672 use_rt_clock = 0;
673 #if defined(__linux__)
674 {
675 struct timespec ts;
676 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
677 use_rt_clock = 1;
678 }
679 }
680 #endif
681 }
682
683 static int64_t get_clock(void)
684 {
685 #if defined(__linux__)
686 if (use_rt_clock) {
687 struct timespec ts;
688 clock_gettime(CLOCK_MONOTONIC, &ts);
689 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
690 } else
691 #endif
692 {
693 /* XXX: using gettimeofday leads to problems if the date
694 changes, so it should be avoided. */
695 struct timeval tv;
696 gettimeofday(&tv, NULL);
697 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
698 }
699 }
700
701 #endif
702
703 /***********************************************************/
704 /* guest cycle counter */
705
706 static int64_t cpu_ticks_prev;
707 static int64_t cpu_ticks_offset;
708 static int64_t cpu_clock_offset;
709 static int cpu_ticks_enabled;
710
711 /* return the host CPU cycle counter and handle stop/restart */
712 int64_t cpu_get_ticks(void)
713 {
714 if (!cpu_ticks_enabled) {
715 return cpu_ticks_offset;
716 } else {
717 int64_t ticks;
718 ticks = cpu_get_real_ticks();
719 if (cpu_ticks_prev > ticks) {
720 /* Note: non increasing ticks may happen if the host uses
721 software suspend */
722 cpu_ticks_offset += cpu_ticks_prev - ticks;
723 }
724 cpu_ticks_prev = ticks;
725 return ticks + cpu_ticks_offset;
726 }
727 }
728
729 /* return the host CPU monotonic timer and handle stop/restart */
730 static int64_t cpu_get_clock(void)
731 {
732 int64_t ti;
733 if (!cpu_ticks_enabled) {
734 return cpu_clock_offset;
735 } else {
736 ti = get_clock();
737 return ti + cpu_clock_offset;
738 }
739 }
740
741 /* enable cpu_get_ticks() */
742 void cpu_enable_ticks(void)
743 {
744 if (!cpu_ticks_enabled) {
745 cpu_ticks_offset -= cpu_get_real_ticks();
746 cpu_clock_offset -= get_clock();
747 cpu_ticks_enabled = 1;
748 }
749 }
750
751 /* disable cpu_get_ticks() : the clock is stopped. You must not call
752 cpu_get_ticks() after that. */
753 void cpu_disable_ticks(void)
754 {
755 if (cpu_ticks_enabled) {
756 cpu_ticks_offset = cpu_get_ticks();
757 cpu_clock_offset = cpu_get_clock();
758 cpu_ticks_enabled = 0;
759 }
760 }
761
762 /***********************************************************/
763 /* timers */
764
765 #define QEMU_TIMER_REALTIME 0
766 #define QEMU_TIMER_VIRTUAL 1
767
768 struct QEMUClock {
769 int type;
770 /* XXX: add frequency */
771 };
772
773 struct QEMUTimer {
774 QEMUClock *clock;
775 int64_t expire_time;
776 QEMUTimerCB *cb;
777 void *opaque;
778 struct QEMUTimer *next;
779 };
780
781 QEMUClock *rt_clock;
782 QEMUClock *vm_clock;
783
784 static QEMUTimer *active_timers[2];
785 #ifdef _WIN32
786 static MMRESULT timerID;
787 static HANDLE host_alarm = NULL;
788 static unsigned int period = 1;
789 #else
790 /* frequency of the times() clock tick */
791 static int timer_freq;
792 #endif
793
794 QEMUClock *qemu_new_clock(int type)
795 {
796 QEMUClock *clock;
797 clock = qemu_mallocz(sizeof(QEMUClock));
798 if (!clock)
799 return NULL;
800 clock->type = type;
801 return clock;
802 }
803
804 QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
805 {
806 QEMUTimer *ts;
807
808 ts = qemu_mallocz(sizeof(QEMUTimer));
809 ts->clock = clock;
810 ts->cb = cb;
811 ts->opaque = opaque;
812 return ts;
813 }
814
815 void qemu_free_timer(QEMUTimer *ts)
816 {
817 qemu_free(ts);
818 }
819
820 /* stop a timer, but do not dealloc it */
821 void qemu_del_timer(QEMUTimer *ts)
822 {
823 QEMUTimer **pt, *t;
824
825 /* NOTE: this code must be signal safe because
826 qemu_timer_expired() can be called from a signal. */
827 pt = &active_timers[ts->clock->type];
828 for(;;) {
829 t = *pt;
830 if (!t)
831 break;
832 if (t == ts) {
833 *pt = t->next;
834 break;
835 }
836 pt = &t->next;
837 }
838 }
839
840 /* modify the current timer so that it will be fired when current_time
841 >= expire_time. The corresponding callback will be called. */
842 void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
843 {
844 QEMUTimer **pt, *t;
845
846 qemu_del_timer(ts);
847
848 /* add the timer in the sorted list */
849 /* NOTE: this code must be signal safe because
850 qemu_timer_expired() can be called from a signal. */
851 pt = &active_timers[ts->clock->type];
852 for(;;) {
853 t = *pt;
854 if (!t)
855 break;
856 if (t->expire_time > expire_time)
857 break;
858 pt = &t->next;
859 }
860 ts->expire_time = expire_time;
861 ts->next = *pt;
862 *pt = ts;
863 }
864
865 int qemu_timer_pending(QEMUTimer *ts)
866 {
867 QEMUTimer *t;
868 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
869 if (t == ts)
870 return 1;
871 }
872 return 0;
873 }
874
875 static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
876 {
877 if (!timer_head)
878 return 0;
879 return (timer_head->expire_time <= current_time);
880 }
881
882 static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
883 {
884 QEMUTimer *ts;
885
886 for(;;) {
887 ts = *ptimer_head;
888 if (!ts || ts->expire_time > current_time)
889 break;
890 /* remove timer from the list before calling the callback */
891 *ptimer_head = ts->next;
892 ts->next = NULL;
893
894 /* run the callback (the timer list can be modified) */
895 ts->cb(ts->opaque);
896 }
897 }
898
899 int64_t qemu_get_clock(QEMUClock *clock)
900 {
901 switch(clock->type) {
902 case QEMU_TIMER_REALTIME:
903 return get_clock() / 1000000;
904 default:
905 case QEMU_TIMER_VIRTUAL:
906 return cpu_get_clock();
907 }
908 }
909
910 static void init_timers(void)
911 {
912 init_get_clock();
913 ticks_per_sec = QEMU_TIMER_BASE;
914 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
915 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
916 }
917
918 /* save a timer */
919 void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
920 {
921 uint64_t expire_time;
922
923 if (qemu_timer_pending(ts)) {
924 expire_time = ts->expire_time;
925 } else {
926 expire_time = -1;
927 }
928 qemu_put_be64(f, expire_time);
929 }
930
931 void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
932 {
933 uint64_t expire_time;
934
935 expire_time = qemu_get_be64(f);
936 if (expire_time != -1) {
937 qemu_mod_timer(ts, expire_time);
938 } else {
939 qemu_del_timer(ts);
940 }
941 }
942
943 static void timer_save(QEMUFile *f, void *opaque)
944 {
945 if (cpu_ticks_enabled) {
946 hw_error("cannot save state if virtual timers are running");
947 }
948 qemu_put_be64s(f, &cpu_ticks_offset);
949 qemu_put_be64s(f, &ticks_per_sec);
950 qemu_put_be64s(f, &cpu_clock_offset);
951 }
952
953 static int timer_load(QEMUFile *f, void *opaque, int version_id)
954 {
955 if (version_id != 1 && version_id != 2)
956 return -EINVAL;
957 if (cpu_ticks_enabled) {
958 return -EINVAL;
959 }
960 qemu_get_be64s(f, &cpu_ticks_offset);
961 qemu_get_be64s(f, &ticks_per_sec);
962 if (version_id == 2) {
963 qemu_get_be64s(f, &cpu_clock_offset);
964 }
965 return 0;
966 }
967
968 #ifdef _WIN32
969 void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
970 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
971 #else
972 static void host_alarm_handler(int host_signum)
973 #endif
974 {
975 #if 0
976 #define DISP_FREQ 1000
977 {
978 static int64_t delta_min = INT64_MAX;
979 static int64_t delta_max, delta_cum, last_clock, delta, ti;
980 static int count;
981 ti = qemu_get_clock(vm_clock);
982 if (last_clock != 0) {
983 delta = ti - last_clock;
984 if (delta < delta_min)
985 delta_min = delta;
986 if (delta > delta_max)
987 delta_max = delta;
988 delta_cum += delta;
989 if (++count == DISP_FREQ) {
990 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
991 muldiv64(delta_min, 1000000, ticks_per_sec),
992 muldiv64(delta_max, 1000000, ticks_per_sec),
993 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
994 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
995 count = 0;
996 delta_min = INT64_MAX;
997 delta_max = 0;
998 delta_cum = 0;
999 }
1000 }
1001 last_clock = ti;
1002 }
1003 #endif
1004 if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1005 qemu_get_clock(vm_clock)) ||
1006 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1007 qemu_get_clock(rt_clock))) {
1008 #ifdef _WIN32
1009 SetEvent(host_alarm);
1010 #endif
1011 CPUState *env = cpu_single_env;
1012 if (env) {
1013 /* stop the currently executing cpu because a timer occured */
1014 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
1015 #ifdef USE_KQEMU
1016 if (env->kqemu_enabled) {
1017 kqemu_cpu_interrupt(env);
1018 }
1019 #endif
1020 }
1021 }
1022 }
1023
1024 #ifndef _WIN32
1025
1026 #if defined(__linux__)
1027
1028 #define RTC_FREQ 1024
1029
1030 static int rtc_fd;
1031
1032 static int start_rtc_timer(void)
1033 {
1034 rtc_fd = open("/dev/rtc", O_RDONLY);
1035 if (rtc_fd < 0)
1036 return -1;
1037 if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
1038 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1039 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1040 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1041 goto fail;
1042 }
1043 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1044 fail:
1045 close(rtc_fd);
1046 return -1;
1047 }
1048 pit_min_timer_count = PIT_FREQ / RTC_FREQ;
1049 return 0;
1050 }
1051
1052 #else
1053
1054 static int start_rtc_timer(void)
1055 {
1056 return -1;
1057 }
1058
1059 #endif /* !defined(__linux__) */
1060
1061 #endif /* !defined(_WIN32) */
1062
1063 static void init_timer_alarm(void)
1064 {
1065 #ifdef _WIN32
1066 {
1067 int count=0;
1068 TIMECAPS tc;
1069
1070 ZeroMemory(&tc, sizeof(TIMECAPS));
1071 timeGetDevCaps(&tc, sizeof(TIMECAPS));
1072 if (period < tc.wPeriodMin)
1073 period = tc.wPeriodMin;
1074 timeBeginPeriod(period);
1075 timerID = timeSetEvent(1, // interval (ms)
1076 period, // resolution
1077 host_alarm_handler, // function
1078 (DWORD)&count, // user parameter
1079 TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
1080 if( !timerID ) {
1081 perror("failed timer alarm");
1082 exit(1);
1083 }
1084 host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1085 if (!host_alarm) {
1086 perror("failed CreateEvent");
1087 exit(1);
1088 }
1089 qemu_add_wait_object(host_alarm, NULL, NULL);
1090 }
1091 pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
1092 #else
1093 {
1094 struct sigaction act;
1095 struct itimerval itv;
1096
1097 /* get times() syscall frequency */
1098 timer_freq = sysconf(_SC_CLK_TCK);
1099
1100 /* timer signal */
1101 sigfillset(&act.sa_mask);
1102 act.sa_flags = 0;
1103 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
1104 act.sa_flags |= SA_ONSTACK;
1105 #endif
1106 act.sa_handler = host_alarm_handler;
1107 sigaction(SIGALRM, &act, NULL);
1108
1109 itv.it_interval.tv_sec = 0;
1110 itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
1111 itv.it_value.tv_sec = 0;
1112 itv.it_value.tv_usec = 10 * 1000;
1113 setitimer(ITIMER_REAL, &itv, NULL);
1114 /* we probe the tick duration of the kernel to inform the user if
1115 the emulated kernel requested a too high timer frequency */
1116 getitimer(ITIMER_REAL, &itv);
1117
1118 #if defined(__linux__)
1119 /* XXX: force /dev/rtc usage because even 2.6 kernels may not
1120 have timers with 1 ms resolution. The correct solution will
1121 be to use the POSIX real time timers available in recent
1122 2.6 kernels */
1123 if (itv.it_interval.tv_usec > 1000 || 1) {
1124 /* try to use /dev/rtc to have a faster timer */
1125 if (start_rtc_timer() < 0)
1126 goto use_itimer;
1127 /* disable itimer */
1128 itv.it_interval.tv_sec = 0;
1129 itv.it_interval.tv_usec = 0;
1130 itv.it_value.tv_sec = 0;
1131 itv.it_value.tv_usec = 0;
1132 setitimer(ITIMER_REAL, &itv, NULL);
1133
1134 /* use the RTC */
1135 sigaction(SIGIO, &act, NULL);
1136 fcntl(rtc_fd, F_SETFL, O_ASYNC);
1137 fcntl(rtc_fd, F_SETOWN, getpid());
1138 } else
1139 #endif /* defined(__linux__) */
1140 {
1141 use_itimer:
1142 pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
1143 PIT_FREQ) / 1000000;
1144 }
1145 }
1146 #endif
1147 }
1148
1149 void quit_timers(void)
1150 {
1151 #ifdef _WIN32
1152 timeKillEvent(timerID);
1153 timeEndPeriod(period);
1154 if (host_alarm) {
1155 CloseHandle(host_alarm);
1156 host_alarm = NULL;
1157 }
1158 #endif
1159 }
1160
1161 /***********************************************************/
1162 /* character device */
1163
1164 static void qemu_chr_event(CharDriverState *s, int event)
1165 {
1166 if (!s->chr_event)
1167 return;
1168 s->chr_event(s->handler_opaque, event);
1169 }
1170
1171 static void qemu_chr_reset_bh(void *opaque)
1172 {
1173 CharDriverState *s = opaque;
1174 qemu_chr_event(s, CHR_EVENT_RESET);
1175 qemu_bh_delete(s->bh);
1176 s->bh = NULL;
1177 }
1178
1179 void qemu_chr_reset(CharDriverState *s)
1180 {
1181 if (s->bh == NULL) {
1182 s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
1183 qemu_bh_schedule(s->bh);
1184 }
1185 }
1186
1187 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
1188 {
1189 return s->chr_write(s, buf, len);
1190 }
1191
1192 int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
1193 {
1194 if (!s->chr_ioctl)
1195 return -ENOTSUP;
1196 return s->chr_ioctl(s, cmd, arg);
1197 }
1198
1199 int qemu_chr_can_read(CharDriverState *s)
1200 {
1201 if (!s->chr_can_read)
1202 return 0;
1203 return s->chr_can_read(s->handler_opaque);
1204 }
1205
1206 void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
1207 {
1208 s->chr_read(s->handler_opaque, buf, len);
1209 }
1210
1211
1212 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
1213 {
1214 char buf[4096];
1215 va_list ap;
1216 va_start(ap, fmt);
1217 vsnprintf(buf, sizeof(buf), fmt, ap);
1218 qemu_chr_write(s, buf, strlen(buf));
1219 va_end(ap);
1220 }
1221
1222 void qemu_chr_send_event(CharDriverState *s, int event)
1223 {
1224 if (s->chr_send_event)
1225 s->chr_send_event(s, event);
1226 }
1227
1228 void qemu_chr_add_handlers(CharDriverState *s,
1229 IOCanRWHandler *fd_can_read,
1230 IOReadHandler *fd_read,
1231 IOEventHandler *fd_event,
1232 void *opaque)
1233 {
1234 s->chr_can_read = fd_can_read;
1235 s->chr_read = fd_read;
1236 s->chr_event = fd_event;
1237 s->handler_opaque = opaque;
1238 if (s->chr_update_read_handler)
1239 s->chr_update_read_handler(s);
1240 }
1241
1242 static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1243 {
1244 return len;
1245 }
1246
1247 static CharDriverState *qemu_chr_open_null(void)
1248 {
1249 CharDriverState *chr;
1250
1251 chr = qemu_mallocz(sizeof(CharDriverState));
1252 if (!chr)
1253 return NULL;
1254 chr->chr_write = null_chr_write;
1255 return chr;
1256 }
1257
1258 /* MUX driver for serial I/O splitting */
1259 static int term_timestamps;
1260 static int64_t term_timestamps_start;
1261 #define MAX_MUX 4
1262 typedef struct {
1263 IOCanRWHandler *chr_can_read[MAX_MUX];
1264 IOReadHandler *chr_read[MAX_MUX];
1265 IOEventHandler *chr_event[MAX_MUX];
1266 void *ext_opaque[MAX_MUX];
1267 CharDriverState *drv;
1268 int mux_cnt;
1269 int term_got_escape;
1270 int max_size;
1271 } MuxDriver;
1272
1273
1274 static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1275 {
1276 MuxDriver *d = chr->opaque;
1277 int ret;
1278 if (!term_timestamps) {
1279 ret = d->drv->chr_write(d->drv, buf, len);
1280 } else {
1281 int i;
1282
1283 ret = 0;
1284 for(i = 0; i < len; i++) {
1285 ret += d->drv->chr_write(d->drv, buf+i, 1);
1286 if (buf[i] == '\n') {
1287 char buf1[64];
1288 int64_t ti;
1289 int secs;
1290
1291 ti = get_clock();
1292 if (term_timestamps_start == -1)
1293 term_timestamps_start = ti;
1294 ti -= term_timestamps_start;
1295 secs = ti / 1000000000;
1296 snprintf(buf1, sizeof(buf1),
1297 "[%02d:%02d:%02d.%03d] ",
1298 secs / 3600,
1299 (secs / 60) % 60,
1300 secs % 60,
1301 (int)((ti / 1000000) % 1000));
1302 d->drv->chr_write(d->drv, buf1, strlen(buf1));
1303 }
1304 }
1305 }
1306 return ret;
1307 }
1308
1309 static char *mux_help[] = {
1310 "% h print this help\n\r",
1311 "% x exit emulator\n\r",
1312 "% s save disk data back to file (if -snapshot)\n\r",
1313 "% t toggle console timestamps\n\r"
1314 "% b send break (magic sysrq)\n\r",
1315 "% c switch between console and monitor\n\r",
1316 "% % sends %\n\r",
1317 NULL
1318 };
1319
1320 static int term_escape_char = 0x01; /* ctrl-a is used for escape */
1321 static void mux_print_help(CharDriverState *chr)
1322 {
1323 int i, j;
1324 char ebuf[15] = "Escape-Char";
1325 char cbuf[50] = "\n\r";
1326
1327 if (term_escape_char > 0 && term_escape_char < 26) {
1328 sprintf(cbuf,"\n\r");
1329 sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
1330 } else {
1331 sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char);
1332 }
1333 chr->chr_write(chr, cbuf, strlen(cbuf));
1334 for (i = 0; mux_help[i] != NULL; i++) {
1335 for (j=0; mux_help[i][j] != '\0'; j++) {
1336 if (mux_help[i][j] == '%')
1337 chr->chr_write(chr, ebuf, strlen(ebuf));
1338 else
1339 chr->chr_write(chr, &mux_help[i][j], 1);
1340 }
1341 }
1342 }
1343
1344 static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
1345 {
1346 if (d->term_got_escape) {
1347 d->term_got_escape = 0;
1348 if (ch == term_escape_char)
1349 goto send_char;
1350 switch(ch) {
1351 case '?':
1352 case 'h':
1353 mux_print_help(chr);
1354 break;
1355 case 'x':
1356 {
1357 char *term = "QEMU: Terminated\n\r";
1358 chr->chr_write(chr,term,strlen(term));
1359 exit(0);
1360 break;
1361 }
1362 case 's':
1363 {
1364 int i;
1365 for (i = 0; i < MAX_DISKS; i++) {
1366 if (bs_table[i])
1367 bdrv_commit(bs_table[i]);
1368 }
1369 }
1370 break;
1371 case 'b':
1372 if (chr->chr_event)
1373 chr->chr_event(chr->opaque, CHR_EVENT_BREAK);
1374 break;
1375 case 'c':
1376 /* Switch to the next registered device */
1377 chr->focus++;
1378 if (chr->focus >= d->mux_cnt)
1379 chr->focus = 0;
1380 break;
1381 case 't':
1382 term_timestamps = !term_timestamps;
1383 term_timestamps_start = -1;
1384 break;
1385 }
1386 } else if (ch == term_escape_char) {
1387 d->term_got_escape = 1;
1388 } else {
1389 send_char:
1390 return 1;
1391 }
1392 return 0;
1393 }
1394
1395 static int mux_chr_can_read(void *opaque)
1396 {
1397 CharDriverState *chr = opaque;
1398 MuxDriver *d = chr->opaque;
1399 if (d->chr_can_read[chr->focus])
1400 return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
1401 return 0;
1402 }
1403
1404 static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
1405 {
1406 CharDriverState *chr = opaque;
1407 MuxDriver *d = chr->opaque;
1408 int i;
1409 for(i = 0; i < size; i++)
1410 if (mux_proc_byte(chr, d, buf[i]))
1411 d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1);
1412 }
1413
1414 static void mux_chr_event(void *opaque, int event)
1415 {
1416 CharDriverState *chr = opaque;
1417 MuxDriver *d = chr->opaque;
1418 int i;
1419
1420 /* Send the event to all registered listeners */
1421 for (i = 0; i < d->mux_cnt; i++)
1422 if (d->chr_event[i])
1423 d->chr_event[i](d->ext_opaque[i], event);
1424 }
1425
1426 static void mux_chr_update_read_handler(CharDriverState *chr)
1427 {
1428 MuxDriver *d = chr->opaque;
1429
1430 if (d->mux_cnt >= MAX_MUX) {
1431 fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
1432 return;
1433 }
1434 d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
1435 d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
1436 d->chr_read[d->mux_cnt] = chr->chr_read;
1437 d->chr_event[d->mux_cnt] = chr->chr_event;
1438 /* Fix up the real driver with mux routines */
1439 if (d->mux_cnt == 0) {
1440 qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
1441 mux_chr_event, chr);
1442 }
1443 chr->focus = d->mux_cnt;
1444 d->mux_cnt++;
1445 }
1446
1447 CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
1448 {
1449 CharDriverState *chr;
1450 MuxDriver *d;
1451
1452 chr = qemu_mallocz(sizeof(CharDriverState));
1453 if (!chr)
1454 return NULL;
1455 d = qemu_mallocz(sizeof(MuxDriver));
1456 if (!d) {
1457 free(chr);
1458 return NULL;
1459 }
1460
1461 chr->opaque = d;
1462 d->drv = drv;
1463 chr->focus = -1;
1464 chr->chr_write = mux_chr_write;
1465 chr->chr_update_read_handler = mux_chr_update_read_handler;
1466 return chr;
1467 }
1468
1469
1470 #ifdef _WIN32
1471
1472 static void socket_cleanup(void)
1473 {
1474 WSACleanup();
1475 }
1476
1477 static int socket_init(void)
1478 {
1479 WSADATA Data;
1480 int ret, err;
1481
1482 ret = WSAStartup(MAKEWORD(2,2), &Data);
1483 if (ret != 0) {
1484 err = WSAGetLastError();
1485 fprintf(stderr, "WSAStartup: %d\n", err);
1486 return -1;
1487 }
1488 atexit(socket_cleanup);
1489 return 0;
1490 }
1491
1492 static int send_all(int fd, const uint8_t *buf, int len1)
1493 {
1494 int ret, len;
1495
1496 len = len1;
1497 while (len > 0) {
1498 ret = send(fd, buf, len, 0);
1499 if (ret < 0) {
1500 int errno;
1501 errno = WSAGetLastError();
1502 if (errno != WSAEWOULDBLOCK) {
1503 return -1;
1504 }
1505 } else if (ret == 0) {
1506 break;
1507 } else {
1508 buf += ret;
1509 len -= ret;
1510 }
1511 }
1512 return len1 - len;
1513 }
1514
1515 void socket_set_nonblock(int fd)
1516 {
1517 unsigned long opt = 1;
1518 ioctlsocket(fd, FIONBIO, &opt);
1519 }
1520
1521 #else
1522
1523 static int unix_write(int fd, const uint8_t *buf, int len1)
1524 {
1525 int ret, len;
1526
1527 len = len1;
1528 while (len > 0) {
1529 ret = write(fd, buf, len);
1530 if (ret < 0) {
1531 if (errno != EINTR && errno != EAGAIN)
1532 return -1;
1533 } else if (ret == 0) {
1534 break;
1535 } else {
1536 buf += ret;
1537 len -= ret;
1538 }
1539 }
1540 return len1 - len;
1541 }
1542
1543 static inline int send_all(int fd, const uint8_t *buf, int len1)
1544 {
1545 return unix_write(fd, buf, len1);
1546 }
1547
1548 void socket_set_nonblock(int fd)
1549 {
1550 fcntl(fd, F_SETFL, O_NONBLOCK);
1551 }
1552 #endif /* !_WIN32 */
1553
1554 #ifndef _WIN32
1555
1556 typedef struct {
1557 int fd_in, fd_out;
1558 int max_size;
1559 } FDCharDriver;
1560
1561 #define STDIO_MAX_CLIENTS 1
1562 static int stdio_nb_clients = 0;
1563
1564 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
1565 {
1566 FDCharDriver *s = chr->opaque;
1567 return unix_write(s->fd_out, buf, len);
1568 }
1569
1570 static int fd_chr_read_poll(void *opaque)
1571 {
1572 CharDriverState *chr = opaque;
1573 FDCharDriver *s = chr->opaque;
1574
1575 s->max_size = qemu_chr_can_read(chr);
1576 return s->max_size;
1577 }
1578
1579 static void fd_chr_read(void *opaque)
1580 {
1581 CharDriverState *chr = opaque;
1582 FDCharDriver *s = chr->opaque;
1583 int size, len;
1584 uint8_t buf[1024];
1585
1586 len = sizeof(buf);
1587 if (len > s->max_size)
1588 len = s->max_size;
1589 if (len == 0)
1590 return;
1591 size = read(s->fd_in, buf, len);
1592 if (size == 0) {
1593 /* FD has been closed. Remove it from the active list. */
1594 qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
1595 return;
1596 }
1597 if (size > 0) {
1598 qemu_chr_read(chr, buf, size);
1599 }
1600 }
1601
1602 static void fd_chr_update_read_handler(CharDriverState *chr)
1603 {
1604 FDCharDriver *s = chr->opaque;
1605
1606 if (s->fd_in >= 0) {
1607 if (nographic && s->fd_in == 0) {
1608 } else {
1609 qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
1610 fd_chr_read, NULL, chr);
1611 }
1612 }
1613 }
1614
1615 /* open a character device to a unix fd */
1616 static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
1617 {
1618 CharDriverState *chr;
1619 FDCharDriver *s;
1620
1621 chr = qemu_mallocz(sizeof(CharDriverState));
1622 if (!chr)
1623 return NULL;
1624 s = qemu_mallocz(sizeof(FDCharDriver));
1625 if (!s) {
1626 free(chr);
1627 return NULL;
1628 }
1629 s->fd_in = fd_in;
1630 s->fd_out = fd_out;
1631 chr->opaque = s;
1632 chr->chr_write = fd_chr_write;
1633 chr->chr_update_read_handler = fd_chr_update_read_handler;
1634
1635 qemu_chr_reset(chr);
1636
1637 return chr;
1638 }
1639
1640 static CharDriverState *qemu_chr_open_file_out(const char *file_out)
1641 {
1642 int fd_out;
1643
1644 fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
1645 if (fd_out < 0)
1646 return NULL;
1647 return qemu_chr_open_fd(-1, fd_out);
1648 }
1649
1650 static CharDriverState *qemu_chr_open_pipe(const char *filename)
1651 {
1652 int fd_in, fd_out;
1653 char filename_in[256], filename_out[256];
1654
1655 snprintf(filename_in, 256, "%s.in", filename);
1656 snprintf(filename_out, 256, "%s.out", filename);
1657 fd_in = open(filename_in, O_RDWR | O_BINARY);
1658 fd_out = open(filename_out, O_RDWR | O_BINARY);
1659 if (fd_in < 0 || fd_out < 0) {
1660 if (fd_in >= 0)
1661 close(fd_in);
1662 if (fd_out >= 0)
1663 close(fd_out);
1664 fd_in = fd_out = open(filename, O_RDWR | O_BINARY);
1665 if (fd_in < 0)
1666 return NULL;
1667 }
1668 return qemu_chr_open_fd(fd_in, fd_out);
1669 }
1670
1671
1672 /* for STDIO, we handle the case where several clients use it
1673 (nographic mode) */
1674
1675 #define TERM_FIFO_MAX_SIZE 1
1676
1677 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
1678 static int term_fifo_size;
1679
1680 static int stdio_read_poll(void *opaque)
1681 {
1682 CharDriverState *chr = opaque;
1683
1684 /* try to flush the queue if needed */
1685 if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
1686 qemu_chr_read(chr, term_fifo, 1);
1687 term_fifo_size = 0;
1688 }
1689 /* see if we can absorb more chars */
1690 if (term_fifo_size == 0)
1691 return 1;
1692 else
1693 return 0;
1694 }
1695
1696 static void stdio_read(void *opaque)
1697 {
1698 int size;
1699 uint8_t buf[1];
1700 CharDriverState *chr = opaque;
1701
1702 size = read(0, buf, 1);
1703 if (size == 0) {
1704 /* stdin has been closed. Remove it from the active list. */
1705 qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
1706 return;
1707 }
1708 if (size > 0) {
1709 if (qemu_chr_can_read(chr) > 0) {
1710 qemu_chr_read(chr, buf, 1);
1711 } else if (term_fifo_size == 0) {
1712 term_fifo[term_fifo_size++] = buf[0];
1713 }
1714 }
1715 }
1716
1717 /* init terminal so that we can grab keys */
1718 static struct termios oldtty;
1719 static int old_fd0_flags;
1720
1721 static void term_exit(void)
1722 {
1723 tcsetattr (0, TCSANOW, &oldtty);
1724 fcntl(0, F_SETFL, old_fd0_flags);
1725 }
1726
1727 static void term_init(void)
1728 {
1729 struct termios tty;
1730
1731 tcgetattr (0, &tty);
1732 oldtty = tty;
1733 old_fd0_flags = fcntl(0, F_GETFL);
1734
1735 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1736 |INLCR|IGNCR|ICRNL|IXON);
1737 tty.c_oflag |= OPOST;
1738 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1739 /* if graphical mode, we allow Ctrl-C handling */
1740 if (nographic)
1741 tty.c_lflag &= ~ISIG;
1742 tty.c_cflag &= ~(CSIZE|PARENB);
1743 tty.c_cflag |= CS8;
1744 tty.c_cc[VMIN] = 1;
1745 tty.c_cc[VTIME] = 0;
1746
1747 tcsetattr (0, TCSANOW, &tty);
1748
1749 atexit(term_exit);
1750
1751 fcntl(0, F_SETFL, O_NONBLOCK);
1752 }
1753
1754 static CharDriverState *qemu_chr_open_stdio(void)
1755 {
1756 CharDriverState *chr;
1757
1758 if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
1759 return NULL;
1760 chr = qemu_chr_open_fd(0, 1);
1761 qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
1762 stdio_nb_clients++;
1763 term_init();
1764
1765 return chr;
1766 }
1767
1768 #if defined(__linux__)
1769 static CharDriverState *qemu_chr_open_pty(void)
1770 {
1771 struct termios tty;
1772 char slave_name[1024];
1773 int master_fd, slave_fd;
1774
1775 /* Not satisfying */
1776 if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
1777 return NULL;
1778 }
1779
1780 /* Disabling local echo and line-buffered output */
1781 tcgetattr (master_fd, &tty);
1782 tty.c_lflag &= ~(ECHO|ICANON|ISIG);
1783 tty.c_cc[VMIN] = 1;
1784 tty.c_cc[VTIME] = 0;
1785 tcsetattr (master_fd, TCSAFLUSH, &tty);
1786
1787 fprintf(stderr, "char device redirected to %s\n", slave_name);
1788 return qemu_chr_open_fd(master_fd, master_fd);
1789 }
1790
1791 static void tty_serial_init(int fd, int speed,
1792 int parity, int data_bits, int stop_bits)
1793 {
1794 struct termios tty;
1795 speed_t spd;
1796
1797 #if 0
1798 printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
1799 speed, parity, data_bits, stop_bits);
1800 #endif
1801 tcgetattr (fd, &tty);
1802
1803 switch(speed) {
1804 case 50:
1805 spd = B50;
1806 break;
1807 case 75:
1808 spd = B75;
1809 break;
1810 case 300:
1811 spd = B300;
1812 break;
1813 case 600:
1814 spd = B600;
1815 break;
1816 case 1200:
1817 spd = B1200;
1818 break;
1819 case 2400:
1820 spd = B2400;
1821 break;
1822 case 4800:
1823 spd = B4800;
1824 break;
1825 case 9600:
1826 spd = B9600;
1827 break;
1828 case 19200:
1829 spd = B19200;
1830 break;
1831 case 38400:
1832 spd = B38400;
1833 break;
1834 case 57600:
1835 spd = B57600;
1836 break;
1837 default:
1838 case 115200:
1839 spd = B115200;
1840 break;
1841 }
1842
1843 cfsetispeed(&tty, spd);
1844 cfsetospeed(&tty, spd);
1845
1846 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1847 |INLCR|IGNCR|ICRNL|IXON);
1848 tty.c_oflag |= OPOST;
1849 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
1850 tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
1851 switch(data_bits) {
1852 default:
1853 case 8:
1854 tty.c_cflag |= CS8;
1855 break;
1856 case 7:
1857 tty.c_cflag |= CS7;
1858 break;
1859 case 6:
1860 tty.c_cflag |= CS6;
1861 break;
1862 case 5:
1863 tty.c_cflag |= CS5;
1864 break;
1865 }
1866 switch(parity) {
1867 default:
1868 case 'N':
1869 break;
1870 case 'E':
1871 tty.c_cflag |= PARENB;
1872 break;
1873 case 'O':
1874 tty.c_cflag |= PARENB | PARODD;
1875 break;
1876 }
1877 if (stop_bits == 2)
1878 tty.c_cflag |= CSTOPB;
1879
1880 tcsetattr (fd, TCSANOW, &tty);
1881 }
1882
1883 static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
1884 {
1885 FDCharDriver *s = chr->opaque;
1886
1887 switch(cmd) {
1888 case CHR_IOCTL_SERIAL_SET_PARAMS:
1889 {
1890 QEMUSerialSetParams *ssp = arg;
1891 tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
1892 ssp->data_bits, ssp->stop_bits);
1893 }
1894 break;
1895 case CHR_IOCTL_SERIAL_SET_BREAK:
1896 {
1897 int enable = *(int *)arg;
1898 if (enable)
1899 tcsendbreak(s->fd_in, 1);
1900 }
1901 break;
1902 default:
1903 return -ENOTSUP;
1904 }
1905 return 0;
1906 }
1907
1908 static CharDriverState *qemu_chr_open_tty(const char *filename)
1909 {
1910 CharDriverState *chr;
1911 int fd;
1912
1913 fd = open(filename, O_RDWR | O_NONBLOCK);
1914 if (fd < 0)
1915 return NULL;
1916 fcntl(fd, F_SETFL, O_NONBLOCK);
1917 tty_serial_init(fd, 115200, 'N', 8, 1);
1918 chr = qemu_chr_open_fd(fd, fd);
1919 if (!chr)
1920 return NULL;
1921 chr->chr_ioctl = tty_serial_ioctl;
1922 qemu_chr_reset(chr);
1923 return chr;
1924 }
1925
1926 typedef struct {
1927 int fd;
1928 int mode;
1929 } ParallelCharDriver;
1930
1931 static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
1932 {
1933 if (s->mode != mode) {
1934 int m = mode;
1935 if (ioctl(s->fd, PPSETMODE, &m) < 0)
1936 return 0;
1937 s->mode = mode;
1938 }
1939 return 1;
1940 }
1941
1942 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
1943 {
1944 ParallelCharDriver *drv = chr->opaque;
1945 int fd = drv->fd;
1946 uint8_t b;
1947
1948 switch(cmd) {
1949 case CHR_IOCTL_PP_READ_DATA:
1950 if (ioctl(fd, PPRDATA, &b) < 0)
1951 return -ENOTSUP;
1952 *(uint8_t *)arg = b;
1953 break;
1954 case CHR_IOCTL_PP_WRITE_DATA:
1955 b = *(uint8_t *)arg;
1956 if (ioctl(fd, PPWDATA, &b) < 0)
1957 return -ENOTSUP;
1958 break;
1959 case CHR_IOCTL_PP_READ_CONTROL:
1960 if (ioctl(fd, PPRCONTROL, &b) < 0)
1961 return -ENOTSUP;
1962 /* Linux gives only the lowest bits, and no way to know data
1963 direction! For better compatibility set the fixed upper
1964 bits. */
1965 *(uint8_t *)arg = b | 0xc0;
1966 break;
1967 case CHR_IOCTL_PP_WRITE_CONTROL:
1968 b = *(uint8_t *)arg;
1969 if (ioctl(fd, PPWCONTROL, &b) < 0)
1970 return -ENOTSUP;
1971 break;
1972 case CHR_IOCTL_PP_READ_STATUS:
1973 if (ioctl(fd, PPRSTATUS, &b) < 0)
1974 return -ENOTSUP;
1975 *(uint8_t *)arg = b;
1976 break;
1977 case CHR_IOCTL_PP_EPP_READ_ADDR:
1978 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1979 struct ParallelIOArg *parg = arg;
1980 int n = read(fd, parg->buffer, parg->count);
1981 if (n != parg->count) {
1982 return -EIO;
1983 }
1984 }
1985 break;
1986 case CHR_IOCTL_PP_EPP_READ:
1987 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
1988 struct ParallelIOArg *parg = arg;
1989 int n = read(fd, parg->buffer, parg->count);
1990 if (n != parg->count) {
1991 return -EIO;
1992 }
1993 }
1994 break;
1995 case CHR_IOCTL_PP_EPP_WRITE_ADDR:
1996 if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
1997 struct ParallelIOArg *parg = arg;
1998 int n = write(fd, parg->buffer, parg->count);
1999 if (n != parg->count) {
2000 return -EIO;
2001 }
2002 }
2003 break;
2004 case CHR_IOCTL_PP_EPP_WRITE:
2005 if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
2006 struct ParallelIOArg *parg = arg;
2007 int n = write(fd, parg->buffer, parg->count);
2008 if (n != parg->count) {
2009 return -EIO;
2010 }
2011 }
2012 break;
2013 default:
2014 return -ENOTSUP;
2015 }
2016 return 0;
2017 }
2018
2019 static void pp_close(CharDriverState *chr)
2020 {
2021 ParallelCharDriver *drv = chr->opaque;
2022 int fd = drv->fd;
2023
2024 pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
2025 ioctl(fd, PPRELEASE);
2026 close(fd);
2027 qemu_free(drv);
2028 }
2029
2030 static CharDriverState *qemu_chr_open_pp(const char *filename)
2031 {
2032 CharDriverState *chr;
2033 ParallelCharDriver *drv;
2034 int fd;
2035
2036 fd = open(filename, O_RDWR);
2037 if (fd < 0)
2038 return NULL;
2039
2040 if (ioctl(fd, PPCLAIM) < 0) {
2041 close(fd);
2042 return NULL;
2043 }
2044
2045 drv = qemu_mallocz(sizeof(ParallelCharDriver));
2046 if (!drv) {
2047 close(fd);
2048 return NULL;
2049 }
2050 drv->fd = fd;
2051 drv->mode = IEEE1284_MODE_COMPAT;
2052
2053 chr = qemu_mallocz(sizeof(CharDriverState));
2054 if (!chr) {
2055 qemu_free(drv);
2056 close(fd);
2057 return NULL;
2058 }
2059 chr->chr_write = null_chr_write;
2060 chr->chr_ioctl = pp_ioctl;
2061 chr->chr_close = pp_close;
2062 chr->opaque = drv;
2063
2064 qemu_chr_reset(chr);
2065
2066 return chr;
2067 }
2068
2069 #else
2070 static CharDriverState *qemu_chr_open_pty(void)
2071 {
2072 return NULL;
2073 }
2074 #endif
2075
2076 #endif /* !defined(_WIN32) */
2077
2078 #ifdef _WIN32
2079 typedef struct {
2080 int max_size;
2081 HANDLE hcom, hrecv, hsend;
2082 OVERLAPPED orecv, osend;
2083 BOOL fpipe;
2084 DWORD len;
2085 } WinCharState;
2086
2087 #define NSENDBUF 2048
2088 #define NRECVBUF 2048
2089 #define MAXCONNECT 1
2090 #define NTIMEOUT 5000
2091
2092 static int win_chr_poll(void *opaque);
2093 static int win_chr_pipe_poll(void *opaque);
2094
2095 static void win_chr_close(CharDriverState *chr)
2096 {
2097 WinCharState *s = chr->opaque;
2098
2099 if (s->hsend) {
2100 CloseHandle(s->hsend);
2101 s->hsend = NULL;
2102 }
2103 if (s->hrecv) {
2104 CloseHandle(s->hrecv);
2105 s->hrecv = NULL;
2106 }
2107 if (s->hcom) {
2108 CloseHandle(s->hcom);
2109 s->hcom = NULL;
2110 }
2111 if (s->fpipe)
2112 qemu_del_polling_cb(win_chr_pipe_poll, chr);
2113 else
2114 qemu_del_polling_cb(win_chr_poll, chr);
2115 }
2116
2117 static int win_chr_init(CharDriverState *chr, const char *filename)
2118 {
2119 WinCharState *s = chr->opaque;
2120 COMMCONFIG comcfg;
2121 COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
2122 COMSTAT comstat;
2123 DWORD size;
2124 DWORD err;
2125
2126 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2127 if (!s->hsend) {
2128 fprintf(stderr, "Failed CreateEvent\n");
2129 goto fail;
2130 }
2131 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2132 if (!s->hrecv) {
2133 fprintf(stderr, "Failed CreateEvent\n");
2134 goto fail;
2135 }
2136
2137 s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
2138 OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
2139 if (s->hcom == INVALID_HANDLE_VALUE) {
2140 fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
2141 s->hcom = NULL;
2142 goto fail;
2143 }
2144
2145 if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
2146 fprintf(stderr, "Failed SetupComm\n");
2147 goto fail;
2148 }
2149
2150 ZeroMemory(&comcfg, sizeof(COMMCONFIG));
2151 size = sizeof(COMMCONFIG);
2152 GetDefaultCommConfig(filename, &comcfg, &size);
2153 comcfg.dcb.DCBlength = sizeof(DCB);
2154 CommConfigDialog(filename, NULL, &comcfg);
2155
2156 if (!SetCommState(s->hcom, &comcfg.dcb)) {
2157 fprintf(stderr, "Failed SetCommState\n");
2158 goto fail;
2159 }
2160
2161 if (!SetCommMask(s->hcom, EV_ERR)) {
2162 fprintf(stderr, "Failed SetCommMask\n");
2163 goto fail;
2164 }
2165
2166 cto.ReadIntervalTimeout = MAXDWORD;
2167 if (!SetCommTimeouts(s->hcom, &cto)) {
2168 fprintf(stderr, "Failed SetCommTimeouts\n");
2169 goto fail;
2170 }
2171
2172 if (!ClearCommError(s->hcom, &err, &comstat)) {
2173 fprintf(stderr, "Failed ClearCommError\n");
2174 goto fail;
2175 }
2176 qemu_add_polling_cb(win_chr_poll, chr);
2177 return 0;
2178
2179 fail:
2180 win_chr_close(chr);
2181 return -1;
2182 }
2183
2184 static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
2185 {
2186 WinCharState *s = chr->opaque;
2187 DWORD len, ret, size, err;
2188
2189 len = len1;
2190 ZeroMemory(&s->osend, sizeof(s->osend));
2191 s->osend.hEvent = s->hsend;
2192 while (len > 0) {
2193 if (s->hsend)
2194 ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
2195 else
2196 ret = WriteFile(s->hcom, buf, len, &size, NULL);
2197 if (!ret) {
2198 err = GetLastError();
2199 if (err == ERROR_IO_PENDING) {
2200 ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
2201 if (ret) {
2202 buf += size;
2203 len -= size;
2204 } else {
2205 break;
2206 }
2207 } else {
2208 break;
2209 }
2210 } else {
2211 buf += size;
2212 len -= size;
2213 }
2214 }
2215 return len1 - len;
2216 }
2217
2218 static int win_chr_read_poll(CharDriverState *chr)
2219 {
2220 WinCharState *s = chr->opaque;
2221
2222 s->max_size = qemu_chr_can_read(chr);
2223 return s->max_size;
2224 }
2225
2226 static void win_chr_readfile(CharDriverState *chr)
2227 {
2228 WinCharState *s = chr->opaque;
2229 int ret, err;
2230 uint8_t buf[1024];
2231 DWORD size;
2232
2233 ZeroMemory(&s->orecv, sizeof(s->orecv));
2234 s->orecv.hEvent = s->hrecv;
2235 ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
2236 if (!ret) {
2237 err = GetLastError();
2238 if (err == ERROR_IO_PENDING) {
2239 ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
2240 }
2241 }
2242
2243 if (size > 0) {
2244 qemu_chr_read(chr, buf, size);
2245 }
2246 }
2247
2248 static void win_chr_read(CharDriverState *chr)
2249 {
2250 WinCharState *s = chr->opaque;
2251
2252 if (s->len > s->max_size)
2253 s->len = s->max_size;
2254 if (s->len == 0)
2255 return;
2256
2257 win_chr_readfile(chr);
2258 }
2259
2260 static int win_chr_poll(void *opaque)
2261 {
2262 CharDriverState *chr = opaque;
2263 WinCharState *s = chr->opaque;
2264 COMSTAT status;
2265 DWORD comerr;
2266
2267 ClearCommError(s->hcom, &comerr, &status);
2268 if (status.cbInQue > 0) {
2269 s->len = status.cbInQue;
2270 win_chr_read_poll(chr);
2271 win_chr_read(chr);
2272 return 1;
2273 }
2274 return 0;
2275 }
2276
2277 static CharDriverState *qemu_chr_open_win(const char *filename)
2278 {
2279 CharDriverState *chr;
2280 WinCharState *s;
2281
2282 chr = qemu_mallocz(sizeof(CharDriverState));
2283 if (!chr)
2284 return NULL;
2285 s = qemu_mallocz(sizeof(WinCharState));
2286 if (!s) {
2287 free(chr);
2288 return NULL;
2289 }
2290 chr->opaque = s;
2291 chr->chr_write = win_chr_write;
2292 chr->chr_close = win_chr_close;
2293
2294 if (win_chr_init(chr, filename) < 0) {
2295 free(s);
2296 free(chr);
2297 return NULL;
2298 }
2299 qemu_chr_reset(chr);
2300 return chr;
2301 }
2302
2303 static int win_chr_pipe_poll(void *opaque)
2304 {
2305 CharDriverState *chr = opaque;
2306 WinCharState *s = chr->opaque;
2307 DWORD size;
2308
2309 PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
2310 if (size > 0) {
2311 s->len = size;
2312 win_chr_read_poll(chr);
2313 win_chr_read(chr);
2314 return 1;
2315 }
2316 return 0;
2317 }
2318
2319 static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
2320 {
2321 WinCharState *s = chr->opaque;
2322 OVERLAPPED ov;
2323 int ret;
2324 DWORD size;
2325 char openname[256];
2326
2327 s->fpipe = TRUE;
2328
2329 s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
2330 if (!s->hsend) {
2331 fprintf(stderr, "Failed CreateEvent\n");
2332 goto fail;
2333 }
2334 s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
2335 if (!s->hrecv) {
2336 fprintf(stderr, "Failed CreateEvent\n");
2337 goto fail;
2338 }
2339
2340 snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
2341 s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
2342 PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
2343 PIPE_WAIT,
2344 MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
2345 if (s->hcom == INVALID_HANDLE_VALUE) {
2346 fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
2347 s->hcom = NULL;
2348 goto fail;
2349 }
2350
2351 ZeroMemory(&ov, sizeof(ov));
2352 ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
2353 ret = ConnectNamedPipe(s->hcom, &ov);
2354 if (ret) {
2355 fprintf(stderr, "Failed ConnectNamedPipe\n");
2356 goto fail;
2357 }
2358
2359 ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
2360 if (!ret) {
2361 fprintf(stderr, "Failed GetOverlappedResult\n");
2362 if (ov.hEvent) {
2363 CloseHandle(ov.hEvent);
2364 ov.hEvent = NULL;
2365 }
2366 goto fail;
2367 }
2368
2369 if (ov.hEvent) {
2370 CloseHandle(ov.hEvent);
2371 ov.hEvent = NULL;
2372 }
2373 qemu_add_polling_cb(win_chr_pipe_poll, chr);
2374 return 0;
2375
2376 fail:
2377 win_chr_close(chr);
2378 return -1;
2379 }
2380
2381
2382 static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
2383 {
2384 CharDriverState *chr;
2385 WinCharState *s;
2386
2387 chr = qemu_mallocz(sizeof(CharDriverState));
2388 if (!chr)
2389 return NULL;
2390 s = qemu_mallocz(sizeof(WinCharState));
2391 if (!s) {
2392 free(chr);
2393 return NULL;
2394 }
2395 chr->opaque = s;
2396 chr->chr_write = win_chr_write;
2397 chr->chr_close = win_chr_close;
2398
2399 if (win_chr_pipe_init(chr, filename) < 0) {
2400 free(s);
2401 free(chr);
2402 return NULL;
2403 }
2404 qemu_chr_reset(chr);
2405 return chr;
2406 }
2407
2408 static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
2409 {
2410 CharDriverState *chr;
2411 WinCharState *s;
2412
2413 chr = qemu_mallocz(sizeof(CharDriverState));
2414 if (!chr)
2415 return NULL;
2416 s = qemu_mallocz(sizeof(WinCharState));
2417 if (!s) {
2418 free(chr);
2419 return NULL;
2420 }
2421 s->hcom = fd_out;
2422 chr->opaque = s;
2423 chr->chr_write = win_chr_write;
2424 qemu_chr_reset(chr);
2425 return chr;
2426 }
2427
2428 static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
2429 {
2430 HANDLE fd_out;
2431
2432 fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
2433 OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
2434 if (fd_out == INVALID_HANDLE_VALUE)
2435 return NULL;
2436
2437 return qemu_chr_open_win_file(fd_out);
2438 }
2439 #endif
2440
2441 /***********************************************************/
2442 /* UDP Net console */
2443
2444 typedef struct {
2445 int fd;
2446 struct sockaddr_in daddr;
2447 char buf[1024];
2448 int bufcnt;
2449 int bufptr;
2450 int max_size;
2451 } NetCharDriver;
2452
2453 static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2454 {
2455 NetCharDriver *s = chr->opaque;
2456
2457 return sendto(s->fd, buf, len, 0,
2458 (struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
2459 }
2460
2461 static int udp_chr_read_poll(void *opaque)
2462 {
2463 CharDriverState *chr = opaque;
2464 NetCharDriver *s = chr->opaque;
2465
2466 s->max_size = qemu_chr_can_read(chr);
2467
2468 /* If there were any stray characters in the queue process them
2469 * first
2470 */
2471 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2472 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
2473 s->bufptr++;
2474 s->max_size = qemu_chr_can_read(chr);
2475 }
2476 return s->max_size;
2477 }
2478
2479 static void udp_chr_read(void *opaque)
2480 {
2481 CharDriverState *chr = opaque;
2482 NetCharDriver *s = chr->opaque;
2483
2484 if (s->max_size == 0)
2485 return;
2486 s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
2487 s->bufptr = s->bufcnt;
2488 if (s->bufcnt <= 0)
2489 return;
2490
2491 s->bufptr = 0;
2492 while (s->max_size > 0 && s->bufptr < s->bufcnt) {
2493 qemu_chr_read(chr, &s->buf[s->bufptr], 1);
2494 s->bufptr++;
2495 s->max_size = qemu_chr_can_read(chr);
2496 }
2497 }
2498
2499 static void udp_chr_update_read_handler(CharDriverState *chr)
2500 {
2501 NetCharDriver *s = chr->opaque;
2502
2503 if (s->fd >= 0) {
2504 qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
2505 udp_chr_read, NULL, chr);
2506 }
2507 }
2508
2509 int parse_host_port(struct sockaddr_in *saddr, const char *str);
2510 #ifndef _WIN32
2511 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
2512 #endif
2513 int parse_host_src_port(struct sockaddr_in *haddr,
2514 struct sockaddr_in *saddr,
2515 const char *str);
2516
2517 static CharDriverState *qemu_chr_open_udp(const char *def)
2518 {
2519 CharDriverState *chr = NULL;
2520 NetCharDriver *s = NULL;
2521 int fd = -1;
2522 struct sockaddr_in saddr;
2523
2524 chr = qemu_mallocz(sizeof(CharDriverState));
2525 if (!chr)
2526 goto return_err;
2527 s = qemu_mallocz(sizeof(NetCharDriver));
2528 if (!s)
2529 goto return_err;
2530
2531 fd = socket(PF_INET, SOCK_DGRAM, 0);
2532 if (fd < 0) {
2533 perror("socket(PF_INET, SOCK_DGRAM)");
2534 goto return_err;
2535 }
2536
2537 if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
2538 printf("Could not parse: %s\n", def);
2539 goto return_err;
2540 }
2541
2542 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
2543 {
2544 perror("bind");
2545 goto return_err;
2546 }
2547
2548 s->fd = fd;
2549 s->bufcnt = 0;
2550 s->bufptr = 0;
2551 chr->opaque = s;
2552 chr->chr_write = udp_chr_write;
2553 chr->chr_update_read_handler = udp_chr_update_read_handler;
2554 return chr;
2555
2556 return_err:
2557 if (chr)
2558 free(chr);
2559 if (s)
2560 free(s);
2561 if (fd >= 0)
2562 closesocket(fd);
2563 return NULL;
2564 }
2565
2566 /***********************************************************/
2567 /* TCP Net console */
2568
2569 typedef struct {
2570 int fd, listen_fd;
2571 int connected;
2572 int max_size;
2573 int do_telnetopt;
2574 int do_nodelay;
2575 int is_unix;
2576 } TCPCharDriver;
2577
2578 static void tcp_chr_accept(void *opaque);
2579
2580 static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
2581 {
2582 TCPCharDriver *s = chr->opaque;
2583 if (s->connected) {
2584 return send_all(s->fd, buf, len);
2585 } else {
2586 /* XXX: indicate an error ? */
2587 return len;
2588 }
2589 }
2590
2591 static int tcp_chr_read_poll(void *opaque)
2592 {
2593 CharDriverState *chr = opaque;
2594 TCPCharDriver *s = chr->opaque;
2595 if (!s->connected)
2596 return 0;
2597 s->max_size = qemu_chr_can_read(chr);
2598 return s->max_size;
2599 }
2600
2601 #define IAC 255
2602 #define IAC_BREAK 243
2603 static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
2604 TCPCharDriver *s,
2605 char *buf, int *size)
2606 {
2607 /* Handle any telnet client's basic IAC options to satisfy char by
2608 * char mode with no echo. All IAC options will be removed from
2609 * the buf and the do_telnetopt variable will be used to track the
2610 * state of the width of the IAC information.
2611 *
2612 * IAC commands come in sets of 3 bytes with the exception of the
2613 * "IAC BREAK" command and the double IAC.
2614 */
2615
2616 int i;
2617 int j = 0;
2618
2619 for (i = 0; i < *size; i++) {
2620 if (s->do_telnetopt > 1) {
2621 if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
2622 /* Double IAC means send an IAC */
2623 if (j != i)
2624 buf[j] = buf[i];
2625 j++;
2626 s->do_telnetopt = 1;
2627 } else {
2628 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
2629 /* Handle IAC break commands by sending a serial break */
2630 qemu_chr_event(chr, CHR_EVENT_BREAK);
2631 s->do_telnetopt++;
2632 }
2633 s->do_telnetopt++;
2634 }
2635 if (s->do_telnetopt >= 4) {
2636 s->do_telnetopt = 1;
2637 }
2638 } else {
2639 if ((unsigned char)buf[i] == IAC) {
2640 s->do_telnetopt = 2;
2641 } else {
2642 if (j != i)
2643 buf[j] = buf[i];
2644 j++;
2645 }
2646 }
2647 }
2648 *size = j;
2649 }
2650
2651 static void tcp_chr_read(void *opaque)
2652 {
2653 CharDriverState *chr = opaque;
2654 TCPCharDriver *s = chr->opaque;
2655 uint8_t buf[1024];
2656 int len, size;
2657
2658 if (!s->connected || s->max_size <= 0)
2659 return;
2660 len = sizeof(buf);
2661 if (len > s->max_size)
2662 len = s->max_size;
2663 size = recv(s->fd, buf, len, 0);
2664 if (size == 0) {
2665 /* connection closed */
2666 s->connected = 0;
2667 if (s->listen_fd >= 0) {
2668 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2669 }
2670 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
2671 closesocket(s->fd);
2672 s->fd = -1;
2673 } else if (size > 0) {
2674 if (s->do_telnetopt)
2675 tcp_chr_process_IAC_bytes(chr, s, buf, &size);
2676 if (size > 0)
2677 qemu_chr_read(chr, buf, size);
2678 }
2679 }
2680
2681 static void tcp_chr_connect(void *opaque)
2682 {
2683 CharDriverState *chr = opaque;
2684 TCPCharDriver *s = chr->opaque;
2685
2686 s->connected = 1;
2687 qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
2688 tcp_chr_read, NULL, chr);
2689 qemu_chr_reset(chr);
2690 }
2691
2692 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
2693 static void tcp_chr_telnet_init(int fd)
2694 {
2695 char buf[3];
2696 /* Send the telnet negotion to put telnet in binary, no echo, single char mode */
2697 IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
2698 send(fd, (char *)buf, 3, 0);
2699 IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
2700 send(fd, (char *)buf, 3, 0);
2701 IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
2702 send(fd, (char *)buf, 3, 0);
2703 IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
2704 send(fd, (char *)buf, 3, 0);
2705 }
2706
2707 static void socket_set_nodelay(int fd)
2708 {
2709 int val = 1;
2710 setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
2711 }
2712
2713 static void tcp_chr_accept(void *opaque)
2714 {
2715 CharDriverState *chr = opaque;
2716 TCPCharDriver *s = chr->opaque;
2717 struct sockaddr_in saddr;
2718 #ifndef _WIN32
2719 struct sockaddr_un uaddr;
2720 #endif
2721 struct sockaddr *addr;
2722 socklen_t len;
2723 int fd;
2724
2725 for(;;) {
2726 #ifndef _WIN32
2727 if (s->is_unix) {
2728 len = sizeof(uaddr);
2729 addr = (struct sockaddr *)&uaddr;
2730 } else
2731 #endif
2732 {
2733 len = sizeof(saddr);
2734 addr = (struct sockaddr *)&saddr;
2735 }
2736 fd = accept(s->listen_fd, addr, &len);
2737 if (fd < 0 && errno != EINTR) {
2738 return;
2739 } else if (fd >= 0) {
2740 if (s->do_telnetopt)
2741 tcp_chr_telnet_init(fd);
2742 break;
2743 }
2744 }
2745 socket_set_nonblock(fd);
2746 if (s->do_nodelay)
2747 socket_set_nodelay(fd);
2748 s->fd = fd;
2749 qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
2750 tcp_chr_connect(chr);
2751 }
2752
2753 static void tcp_chr_close(CharDriverState *chr)
2754 {
2755 TCPCharDriver *s = chr->opaque;
2756 if (s->fd >= 0)
2757 closesocket(s->fd);
2758 if (s->listen_fd >= 0)
2759 closesocket(s->listen_fd);
2760 qemu_free(s);
2761 }
2762
2763 static CharDriverState *qemu_chr_open_tcp(const char *host_str,
2764 int is_telnet,
2765 int is_unix)
2766 {
2767 CharDriverState *chr = NULL;
2768 TCPCharDriver *s = NULL;
2769 int fd = -1, ret, err, val;
2770 int is_listen = 0;
2771 int is_waitconnect = 1;
2772 int do_nodelay = 0;
2773 const char *ptr;
2774 struct sockaddr_in saddr;
2775 #ifndef _WIN32
2776 struct sockaddr_un uaddr;
2777 #endif
2778 struct sockaddr *addr;
2779 socklen_t addrlen;
2780
2781 #ifndef _WIN32
2782 if (is_unix) {
2783 addr = (struct sockaddr *)&uaddr;
2784 addrlen = sizeof(uaddr);
2785 if (parse_unix_path(&uaddr, host_str) < 0)
2786 goto fail;
2787 } else
2788 #endif
2789 {
2790 addr = (struct sockaddr *)&saddr;
2791 addrlen = sizeof(saddr);
2792 if (parse_host_port(&saddr, host_str) < 0)
2793 goto fail;
2794 }
2795
2796 ptr = host_str;
2797 while((ptr = strchr(ptr,','))) {
2798 ptr++;
2799 if (!strncmp(ptr,"server",6)) {
2800 is_listen = 1;
2801 } else if (!strncmp(ptr,"nowait",6)) {
2802 is_waitconnect = 0;
2803 } else if (!strncmp(ptr,"nodelay",6)) {
2804 do_nodelay = 1;
2805 } else {
2806 printf("Unknown option: %s\n", ptr);
2807 goto fail;
2808 }
2809 }
2810 if (!is_listen)
2811 is_waitconnect = 0;
2812
2813 chr = qemu_mallocz(sizeof(CharDriverState));
2814 if (!chr)
2815 goto fail;
2816 s = qemu_mallocz(sizeof(TCPCharDriver));
2817 if (!s)
2818 goto fail;
2819
2820 #ifndef _WIN32
2821 if (is_unix)
2822 fd = socket(PF_UNIX, SOCK_STREAM, 0);
2823 else
2824 #endif
2825 fd = socket(PF_INET, SOCK_STREAM, 0);
2826
2827 if (fd < 0)
2828 goto fail;
2829
2830 if (!is_waitconnect)
2831 socket_set_nonblock(fd);
2832
2833 s->connected = 0;
2834 s->fd = -1;
2835 s->listen_fd = -1;
2836 s->is_unix = is_unix;
2837 s->do_nodelay = do_nodelay && !is_unix;
2838
2839 chr->opaque = s;
2840 chr->chr_write = tcp_chr_write;
2841 chr->chr_close = tcp_chr_close;
2842
2843 if (is_listen) {
2844 /* allow fast reuse */
2845 #ifndef _WIN32
2846 if (is_unix) {
2847 char path[109];
2848 strncpy(path, uaddr.sun_path, 108);
2849 path[108] = 0;
2850 unlink(path);
2851 } else
2852 #endif
2853 {
2854 val = 1;
2855 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
2856 }
2857
2858 ret = bind(fd, addr, addrlen);
2859 if (ret < 0)
2860 goto fail;
2861
2862 ret = listen(fd, 0);
2863 if (ret < 0)
2864 goto fail;
2865
2866 s->listen_fd = fd;
2867 qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
2868 if (is_telnet)
2869 s->do_telnetopt = 1;
2870 } else {
2871 for(;;) {
2872 ret = connect(fd, addr, addrlen);
2873 if (ret < 0) {
2874 err = socket_error();
2875 if (err == EINTR || err == EWOULDBLOCK) {
2876 } else if (err == EINPROGRESS) {
2877 break;
2878 #ifdef _WIN32
2879 } else if (err == WSAEALREADY) {
2880 break;
2881 #endif
2882 } else {
2883 goto fail;
2884 }
2885 } else {
2886 s->connected = 1;
2887 break;
2888 }
2889 }
2890 s->fd = fd;
2891 socket_set_nodelay(fd);
2892 if (s->connected)
2893 tcp_chr_connect(chr);
2894 else
2895 qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
2896 }
2897
2898 if (is_listen && is_waitconnect) {
2899 printf("QEMU waiting for connection on: %s\n", host_str);
2900 tcp_chr_accept(chr);
2901 socket_set_nonblock(s->listen_fd);
2902 }
2903
2904 return chr;
2905 fail:
2906 if (fd >= 0)
2907 closesocket(fd);
2908 qemu_free(s);
2909 qemu_free(chr);
2910 return NULL;
2911 }
2912
2913 CharDriverState *qemu_chr_open(const char *filename)
2914 {
2915 const char *p;
2916
2917 if (!strcmp(filename, "vc")) {
2918 return text_console_init(&display_state);
2919 } else if (!strcmp(filename, "null")) {
2920 return qemu_chr_open_null();
2921 } else
2922 if (strstart(filename, "tcp:", &p)) {
2923 return qemu_chr_open_tcp(p, 0, 0);
2924 } else
2925 if (strstart(filename, "telnet:", &p)) {
2926 return qemu_chr_open_tcp(p, 1, 0);
2927 } else
2928 if (strstart(filename, "udp:", &p)) {
2929 return qemu_chr_open_udp(p);
2930 } else
2931 if (strstart(filename, "mon:", &p)) {
2932 CharDriverState *drv = qemu_chr_open(p);
2933 if (drv) {
2934 drv = qemu_chr_open_mux(drv);
2935 monitor_init(drv, !nographic);
2936 return drv;
2937 }
2938 printf("Unable to open driver: %s\n", p);
2939 return 0;
2940 } else
2941 #ifndef _WIN32
2942 if (strstart(filename, "unix:", &p)) {
2943 return qemu_chr_open_tcp(p, 0, 1);
2944 } else if (strstart(filename, "file:", &p)) {
2945 return qemu_chr_open_file_out(p);
2946 } else if (strstart(filename, "pipe:", &p)) {
2947 return qemu_chr_open_pipe(p);
2948 } else if (!strcmp(filename, "pty")) {
2949 return qemu_chr_open_pty();
2950 } else if (!strcmp(filename, "stdio")) {
2951 return qemu_chr_open_stdio();
2952 } else
2953 #endif
2954 #if defined(__linux__)
2955 if (strstart(filename, "/dev/parport", NULL)) {
2956 return qemu_chr_open_pp(filename);
2957 } else
2958 if (strstart(filename, "/dev/", NULL)) {
2959 return qemu_chr_open_tty(filename);
2960 } else
2961 #endif
2962 #ifdef _WIN32
2963 if (strstart(filename, "COM", NULL)) {
2964 return qemu_chr_open_win(filename);
2965 } else
2966 if (strstart(filename, "pipe:", &p)) {
2967 return qemu_chr_open_win_pipe(p);
2968 } else
2969 if (strstart(filename, "file:", &p)) {
2970 return qemu_chr_open_win_file_out(p);
2971 }
2972 #endif
2973 {
2974 return NULL;
2975 }
2976 }
2977
2978 void qemu_chr_close(CharDriverState *chr)
2979 {
2980 if (chr->chr_close)
2981 chr->chr_close(chr);
2982 }
2983
2984 /***********************************************************/
2985 /* network device redirectors */
2986
2987 void hex_dump(FILE *f, const uint8_t *buf, int size)
2988 {
2989 int len, i, j, c;
2990
2991 for(i=0;i<size;i+=16) {
2992 len = size - i;
2993 if (len > 16)
2994 len = 16;
2995 fprintf(f, "%08x ", i);
2996 for(j=0;j<16;j++) {
2997 if (j < len)
2998 fprintf(f, " %02x", buf[i+j]);
2999 else
3000 fprintf(f, " ");
3001 }
3002 fprintf(f, " ");
3003 for(j=0;j<len;j++) {
3004 c = buf[i+j];
3005 if (c < ' ' || c > '~')
3006 c = '.';
3007 fprintf(f, "%c", c);
3008 }
3009 fprintf(f, "\n");
3010 }
3011 }
3012
3013 static int parse_macaddr(uint8_t *macaddr, const char *p)
3014 {
3015 int i;
3016 for(i = 0; i < 6; i++) {
3017 macaddr[i] = strtol(p, (char **)&p, 16);
3018 if (i == 5) {
3019 if (*p != '\0')
3020 return -1;
3021 } else {
3022 if (*p != ':')
3023 return -1;
3024 p++;
3025 }
3026 }
3027 return 0;
3028 }
3029
3030 static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
3031 {
3032 const char *p, *p1;
3033 int len;
3034 p = *pp;
3035 p1 = strchr(p, sep);
3036 if (!p1)
3037 return -1;
3038 len = p1 - p;
3039 p1++;
3040 if (buf_size > 0) {
3041 if (len > buf_size - 1)
3042 len = buf_size - 1;
3043 memcpy(buf, p, len);
3044 buf[len] = '\0';
3045 }
3046 *pp = p1;
3047 return 0;
3048 }
3049
3050 int parse_host_src_port(struct sockaddr_in *haddr,
3051 struct sockaddr_in *saddr,
3052 const char *input_str)
3053 {
3054 char *str = strdup(input_str);
3055 char *host_str = str;
3056 char *src_str;
3057 char *ptr;
3058
3059 /*
3060 * Chop off any extra arguments at the end of the string which
3061 * would start with a comma, then fill in the src port information
3062 * if it was provided else use the "any address" and "any port".
3063 */
3064 if ((ptr = strchr(str,',')))
3065 *ptr = '\0';
3066
3067 if ((src_str = strchr(input_str,'@'))) {
3068 *src_str = '\0';
3069 src_str++;
3070 }
3071
3072 if (parse_host_port(haddr, host_str) < 0)
3073 goto fail;
3074
3075 if (!src_str || *src_str == '\0')
3076 src_str = ":0";
3077
3078 if (parse_host_port(saddr, src_str) < 0)
3079 goto fail;
3080
3081 free(str);
3082 return(0);
3083
3084 fail:
3085 free(str);
3086 return -1;
3087 }
3088
3089 int parse_host_port(struct sockaddr_in *saddr, const char *str)
3090 {
3091 char buf[512];
3092 struct hostent *he;
3093 const char *p, *r;
3094 int port;
3095
3096 p = str;
3097 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3098 return -1;
3099 saddr->sin_family = AF_INET;
3100 if (buf[0] == '\0') {
3101 saddr->sin_addr.s_addr = 0;
3102 } else {
3103 if (isdigit(buf[0])) {
3104 if (!inet_aton(buf, &saddr->sin_addr))
3105 return -1;
3106 } else {
3107 if ((he = gethostbyname(buf)) == NULL)
3108 return - 1;
3109 saddr->sin_addr = *(struct in_addr *)he->h_addr;
3110 }
3111 }
3112 port = strtol(p, (char **)&r, 0);
3113 if (r == p)
3114 return -1;
3115 saddr->sin_port = htons(port);
3116 return 0;
3117 }
3118
3119 #ifndef _WIN32
3120 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
3121 {
3122 const char *p;
3123 int len;
3124
3125 len = MIN(108, strlen(str));
3126 p = strchr(str, ',');
3127 if (p)
3128 len = MIN(len, p - str);
3129
3130 memset(uaddr, 0, sizeof(*uaddr));
3131
3132 uaddr->sun_family = AF_UNIX;
3133 memcpy(uaddr->sun_path, str, len);
3134
3135 return 0;
3136 }
3137 #endif
3138
3139 /* find or alloc a new VLAN */
3140 VLANState *qemu_find_vlan(int id)
3141 {
3142 VLANState **pvlan, *vlan;
3143 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
3144 if (vlan->id == id)
3145 return vlan;
3146 }
3147 vlan = qemu_mallocz(sizeof(VLANState));
3148 if (!vlan)
3149 return NULL;
3150 vlan->id = id;
3151 vlan->next = NULL;
3152 pvlan = &first_vlan;
3153 while (*pvlan != NULL)
3154 pvlan = &(*pvlan)->next;
3155 *pvlan = vlan;
3156 return vlan;
3157 }
3158
3159 VLANClientState *qemu_new_vlan_client(VLANState *vlan,
3160 IOReadHandler *fd_read,
3161 IOCanRWHandler *fd_can_read,
3162 void *opaque)
3163 {
3164 VLANClientState *vc, **pvc;
3165 vc = qemu_mallocz(sizeof(VLANClientState));
3166 if (!vc)
3167 return NULL;
3168 vc->fd_read = fd_read;
3169 vc->fd_can_read = fd_can_read;
3170 vc->opaque = opaque;
3171 vc->vlan = vlan;
3172
3173 vc->next = NULL;
3174 pvc = &vlan->first_client;
3175 while (*pvc != NULL)
3176 pvc = &(*pvc)->next;
3177 *pvc = vc;
3178 return vc;
3179 }
3180
3181 int qemu_can_send_packet(VLANClientState *vc1)
3182 {
3183 VLANState *vlan = vc1->vlan;
3184 VLANClientState *vc;
3185
3186 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3187 if (vc != vc1) {
3188 if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
3189 return 0;
3190 }
3191 }
3192 return 1;
3193 }
3194
3195 void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
3196 {
3197 VLANState *vlan = vc1->vlan;
3198 VLANClientState *vc;
3199
3200 #if 0
3201 printf("vlan %d send:\n", vlan->id);
3202 hex_dump(stdout, buf, size);
3203 #endif
3204 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
3205 if (vc != vc1) {
3206 vc->fd_read(vc->opaque, buf, size);
3207 }
3208 }
3209 }
3210
3211 #if defined(CONFIG_SLIRP)
3212
3213 /* slirp network adapter */
3214
3215 static int slirp_inited;
3216 static VLANClientState *slirp_vc;
3217
3218 int slirp_can_output(void)
3219 {
3220 return !slirp_vc || qemu_can_send_packet(slirp_vc);
3221 }
3222
3223 void slirp_output(const uint8_t *pkt, int pkt_len)
3224 {
3225 #if 0
3226 printf("slirp output:\n");
3227 hex_dump(stdout, pkt, pkt_len);
3228 #endif
3229 if (!slirp_vc)
3230 return;
3231 qemu_send_packet(slirp_vc, pkt, pkt_len);
3232 }
3233
3234 static void slirp_receive(void *opaque, const uint8_t *buf, int size)
3235 {
3236 #if 0
3237 printf("slirp input:\n");
3238 hex_dump(stdout, buf, size);
3239 #endif
3240 slirp_input(buf, size);
3241 }
3242
3243 static int net_slirp_init(VLANState *vlan)
3244 {
3245 if (!slirp_inited) {
3246 slirp_inited = 1;
3247 slirp_init();
3248 }
3249 slirp_vc = qemu_new_vlan_client(vlan,
3250 slirp_receive, NULL, NULL);
3251 snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
3252 return 0;
3253 }
3254
3255 static void net_slirp_redir(const char *redir_str)
3256 {
3257 int is_udp;
3258 char buf[256], *r;
3259 const char *p;
3260 struct in_addr guest_addr;
3261 int host_port, guest_port;
3262
3263 if (!slirp_inited) {
3264 slirp_inited = 1;
3265 slirp_init();
3266 }
3267
3268 p = redir_str;
3269 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3270 goto fail;
3271 if (!strcmp(buf, "tcp")) {
3272 is_udp = 0;
3273 } else if (!strcmp(buf, "udp")) {
3274 is_udp = 1;
3275 } else {
3276 goto fail;
3277 }
3278
3279 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3280 goto fail;
3281 host_port = strtol(buf, &r, 0);
3282 if (r == buf)
3283 goto fail;
3284
3285 if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
3286 goto fail;
3287 if (buf[0] == '\0') {
3288 pstrcpy(buf, sizeof(buf), "10.0.2.15");
3289 }
3290 if (!inet_aton(buf, &guest_addr))
3291 goto fail;
3292
3293 guest_port = strtol(p, &r, 0);
3294 if (r == p)
3295 goto fail;
3296
3297 if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
3298 fprintf(stderr, "qemu: could not set up redirection\n");
3299 exit(1);
3300 }
3301 return;
3302 fail:
3303 fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
3304 exit(1);
3305 }
3306
3307 #ifndef _WIN32
3308
3309 char smb_dir[1024];
3310
3311 static void smb_exit(void)
3312 {
3313 DIR *d;
3314 struct dirent *de;
3315 char filename[1024];
3316
3317 /* erase all the files in the directory */
3318 d = opendir(smb_dir);
3319 for(;;) {
3320 de = readdir(d);
3321 if (!de)
3322 break;
3323 if (strcmp(de->d_name, ".") != 0 &&
3324 strcmp(de->d_name, "..") != 0) {
3325 snprintf(filename, sizeof(filename), "%s/%s",
3326 smb_dir, de->d_name);
3327 unlink(filename);
3328 }
3329 }
3330 closedir(d);
3331 rmdir(smb_dir);
3332 }
3333
3334 /* automatic user mode samba server configuration */
3335 void net_slirp_smb(const char *exported_dir)
3336 {
3337 char smb_conf[1024];
3338 char smb_cmdline[1024];
3339 FILE *f;
3340
3341 if (!slirp_inited) {
3342 slirp_inited = 1;
3343 slirp_init();
3344 }
3345
3346 /* XXX: better tmp dir construction */
3347 snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
3348 if (mkdir(smb_dir, 0700) < 0) {
3349 fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
3350 exit(1);
3351 }
3352 snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
3353
3354 f = fopen(smb_conf, "w");
3355 if (!f) {
3356 fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
3357 exit(1);
3358 }
3359 fprintf(f,
3360 "[global]\n"
3361 "private dir=%s\n"
3362 "smb ports=0\n"
3363 "socket address=127.0.0.1\n"
3364 "pid directory=%s\n"
3365 "lock directory=%s\n"
3366 "log file=%s/log.smbd\n"
3367 "smb passwd file=%s/smbpasswd\n"
3368 "security = share\n"
3369 "[qemu]\n"
3370 "path=%s\n"
3371 "read only=no\n"
3372 "guest ok=yes\n",
3373 smb_dir,
3374 smb_dir,
3375 smb_dir,
3376 smb_dir,
3377 smb_dir,
3378 exported_dir
3379 );
3380 fclose(f);
3381 atexit(smb_exit);
3382
3383 snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
3384 SMBD_COMMAND, smb_conf);
3385
3386 slirp_add_exec(0, smb_cmdline, 4, 139);
3387 }
3388
3389 #endif /* !defined(_WIN32) */
3390
3391 #endif /* CONFIG_SLIRP */
3392
3393 #if !defined(_WIN32)
3394
3395 typedef struct TAPState {
3396 VLANClientState *vc;
3397 int fd;
3398 } TAPState;
3399
3400 static void tap_receive(void *opaque, const uint8_t *buf, int size)
3401 {
3402 TAPState *s = opaque;
3403 int ret;
3404 for(;;) {
3405 ret = write(s->fd, buf, size);
3406 if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
3407 } else {
3408 break;
3409 }
3410 }
3411 }
3412
3413 static void tap_send(void *opaque)
3414 {
3415 TAPState *s = opaque;
3416 uint8_t buf[4096];
3417 int size;
3418
3419 #ifdef __sun__
3420 struct strbuf sbuf;
3421 int f = 0;
3422 sbuf.maxlen = sizeof(buf);
3423 sbuf.buf = buf;
3424 size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
3425 #else
3426 size = read(s->fd, buf, sizeof(buf));
3427 #endif
3428 if (size > 0) {
3429 qemu_send_packet(s->vc, buf, size);
3430 }
3431 }
3432
3433 /* fd support */
3434
3435 static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
3436 {
3437 TAPState *s;
3438
3439 s = qemu_mallocz(sizeof(TAPState));
3440 if (!s)
3441 return NULL;
3442 s->fd = fd;
3443 s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
3444 qemu_set_fd_handler(s->fd, tap_send, NULL, s);
3445 snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
3446 return s;
3447 }
3448
3449 #ifdef _BSD
3450 static int tap_open(char *ifname, int ifname_size)
3451 {
3452 int fd;
3453 char *dev;
3454 struct stat s;
3455
3456 fd = open("/dev/tap", O_RDWR);
3457 if (fd < 0) {
3458 fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
3459 return -1;
3460 }
3461
3462 fstat(fd, &s);
3463 dev = devname(s.st_rdev, S_IFCHR);
3464 pstrcpy(ifname, ifname_size, dev);
3465
3466 fcntl(fd, F_SETFL, O_NONBLOCK);
3467 return fd;
3468 }
3469 #elif defined(__sun__)
3470 #define TUNNEWPPA (('T'<<16) | 0x0001)
3471 /*
3472 * Allocate TAP device, returns opened fd.
3473 * Stores dev name in the first arg(must be large enough).
3474 */
3475 int tap_alloc(char *dev)
3476 {
3477 int tap_fd, if_fd, ppa = -1;
3478 static int ip_fd = 0;
3479 char *ptr;
3480
3481 static int arp_fd = 0;
3482 int ip_muxid, arp_muxid;
3483 struct strioctl strioc_if, strioc_ppa;
3484 int link_type = I_PLINK;;
3485 struct lifreq ifr;
3486 char actual_name[32] = "";
3487
3488 memset(&ifr, 0x0, sizeof(ifr));
3489
3490 if( *dev ){
3491 ptr = dev;
3492 while( *ptr && !isdigit((int)*ptr) ) ptr++;
3493 ppa = atoi(ptr);
3494 }
3495
3496 /* Check if IP device was opened */
3497 if( ip_fd )
3498 close(ip_fd);
3499
3500 if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){
3501 syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
3502 return -1;
3503 }
3504
3505 if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3506 syslog(LOG_ERR, "Can't open /dev/tap");
3507 return -1;
3508 }
3509
3510 /* Assign a new PPA and get its unit number. */
3511 strioc_ppa.ic_cmd = TUNNEWPPA;
3512 strioc_ppa.ic_timout = 0;
3513 strioc_ppa.ic_len = sizeof(ppa);
3514 strioc_ppa.ic_dp = (char *)&ppa;
3515 if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
3516 syslog (LOG_ERR, "Can't assign new interface");
3517
3518 if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){
3519 syslog(LOG_ERR, "Can't open /dev/tap (2)");
3520 return -1;
3521 }
3522 if(ioctl(if_fd, I_PUSH, "ip") < 0){
3523 syslog(LOG_ERR, "Can't push IP module");
3524 return -1;
3525 }
3526
3527 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
3528 syslog(LOG_ERR, "Can't get flags\n");
3529
3530 snprintf (actual_name, 32, "tap%d", ppa);
3531 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3532
3533 ifr.lifr_ppa = ppa;
3534 /* Assign ppa according to the unit number returned by tun device */
3535
3536 if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
3537 syslog (LOG_ERR, "Can't set PPA %d", ppa);
3538 if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
3539 syslog (LOG_ERR, "Can't get flags\n");
3540 /* Push arp module to if_fd */
3541 if (ioctl (if_fd, I_PUSH, "arp") < 0)
3542 syslog (LOG_ERR, "Can't push ARP module (2)");
3543
3544 /* Push arp module to ip_fd */
3545 if (ioctl (ip_fd, I_POP, NULL) < 0)
3546 syslog (LOG_ERR, "I_POP failed\n");
3547 if (ioctl (ip_fd, I_PUSH, "arp") < 0)
3548 syslog (LOG_ERR, "Can't push ARP module (3)\n");
3549 /* Open arp_fd */
3550 if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0)
3551 syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
3552
3553 /* Set ifname to arp */
3554 strioc_if.ic_cmd = SIOCSLIFNAME;
3555 strioc_if.ic_timout = 0;
3556 strioc_if.ic_len = sizeof(ifr);
3557 strioc_if.ic_dp = (char *)&ifr;
3558 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
3559 syslog (LOG_ERR, "Can't set ifname to arp\n");
3560 }
3561
3562 if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
3563 syslog(LOG_ERR, "Can't link TAP device to IP");
3564 return -1;
3565 }
3566
3567 if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
3568 syslog (LOG_ERR, "Can't link TAP device to ARP");
3569
3570 close (if_fd);
3571
3572 memset(&ifr, 0x0, sizeof(ifr));
3573 strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
3574 ifr.lifr_ip_muxid = ip_muxid;
3575 ifr.lifr_arp_muxid = arp_muxid;
3576
3577 if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
3578 {
3579 ioctl (ip_fd, I_PUNLINK , arp_muxid);
3580 ioctl (ip_fd, I_PUNLINK, ip_muxid);
3581 syslog (LOG_ERR, "Can't set multiplexor id");
3582 }
3583
3584 sprintf(dev, "tap%d", ppa);
3585 return tap_fd;
3586 }
3587
3588 static int tap_open(char *ifname, int ifname_size)
3589 {
3590 char dev[10]="";
3591 int fd;
3592 if( (fd = tap_alloc(dev)) < 0 ){
3593 fprintf(stderr, "Cannot allocate TAP device\n");
3594 return -1;
3595 }
3596 pstrcpy(ifname, ifname_size, dev);
3597 fcntl(fd, F_SETFL, O_NONBLOCK);
3598 return fd;
3599 }
3600 #else
3601 static int tap_open(char *ifname, int ifname_size)
3602 {
3603 struct ifreq ifr;
3604 int fd, ret;
3605
3606 fd = open("/dev/net/tun", O_RDWR);
3607 if (fd < 0) {
3608 fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
3609 return -1;
3610 }
3611 memset(&ifr, 0, sizeof(ifr));
3612 ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
3613 if (ifname[0] != '\0')
3614 pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
3615 else
3616 pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
3617 ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
3618 if (ret != 0) {
3619 fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
3620 close(fd);
3621 return -1;
3622 }
3623 pstrcpy(ifname, ifname_size, ifr.ifr_name);
3624 fcntl(fd, F_SETFL, O_NONBLOCK);
3625 return fd;
3626 }
3627 #endif
3628
3629 static int net_tap_init(VLANState *vlan, const char *ifname1,
3630 const char *setup_script)
3631 {
3632 TAPState *s;
3633 int pid, status, fd;
3634 char *args[3];
3635 char **parg;
3636 char ifname[128];
3637
3638 if (ifname1 != NULL)
3639 pstrcpy(ifname, sizeof(ifname), ifname1);
3640 else
3641 ifname[0] = '\0';
3642 fd = tap_open(ifname, sizeof(ifname));
3643 if (fd < 0)
3644 return -1;
3645
3646 if (!setup_script || !strcmp(setup_script, "no"))
3647 setup_script = "";
3648 if (setup_script[0] != '\0') {
3649 /* try to launch network init script */
3650 pid = fork();
3651 if (pid >= 0) {
3652 if (pid == 0) {
3653 int open_max = sysconf (_SC_OPEN_MAX), i;
3654 for (i = 0; i < open_max; i++)
3655 if (i != STDIN_FILENO &&
3656 i != STDOUT_FILENO &&
3657 i != STDERR_FILENO &&
3658 i != fd)
3659 close(i);
3660
3661 parg = args;
3662 *parg++ = (char *)setup_script;
3663 *parg++ = ifname;
3664 *parg++ = NULL;
3665 execv(setup_script, args);
3666 _exit(1);
3667 }
3668 while (waitpid(pid, &status, 0) != pid);
3669 if (!WIFEXITED(status) ||
3670 WEXITSTATUS(status) != 0) {
3671 fprintf(stderr, "%s: could not launch network script\n",
3672 setup_script);
3673 return -1;
3674 }
3675 }
3676 }
3677 s = net_tap_fd_init(vlan, fd);
3678 if (!s)
3679 return -1;
3680 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3681 "tap: ifname=%s setup_script=%s", ifname, setup_script);
3682 return 0;
3683 }
3684
3685 #endif /* !_WIN32 */
3686
3687 /* network connection */
3688 typedef struct NetSocketState {
3689 VLANClientState *vc;
3690 int fd;
3691 int state; /* 0 = getting length, 1 = getting data */
3692 int index;
3693 int packet_len;
3694 uint8_t buf[4096];
3695 struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
3696 } NetSocketState;
3697
3698 typedef struct NetSocketListenState {
3699 VLANState *vlan;
3700 int fd;
3701 } NetSocketListenState;
3702
3703 /* XXX: we consider we can send the whole packet without blocking */
3704 static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
3705 {
3706 NetSocketState *s = opaque;
3707 uint32_t len;
3708 len = htonl(size);
3709
3710 send_all(s->fd, (const uint8_t *)&len, sizeof(len));
3711 send_all(s->fd, buf, size);
3712 }
3713
3714 static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
3715 {
3716 NetSocketState *s = opaque;
3717 sendto(s->fd, buf, size, 0,
3718 (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
3719 }
3720
3721 static void net_socket_send(void *opaque)
3722 {
3723 NetSocketState *s = opaque;
3724 int l, size, err;
3725 uint8_t buf1[4096];
3726 const uint8_t *buf;
3727
3728 size = recv(s->fd, buf1, sizeof(buf1), 0);
3729 if (size < 0) {
3730 err = socket_error();
3731 if (err != EWOULDBLOCK)
3732 goto eoc;
3733 } else if (size == 0) {
3734 /* end of connection */
3735 eoc:
3736 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3737 closesocket(s->fd);
3738 return;
3739 }
3740 buf = buf1;
3741 while (size > 0) {
3742 /* reassemble a packet from the network */
3743 switch(s->state) {
3744 case 0:
3745 l = 4 - s->index;
3746 if (l > size)
3747 l = size;
3748 memcpy(s->buf + s->index, buf, l);
3749 buf += l;
3750 size -= l;
3751 s->index += l;
3752 if (s->index == 4) {
3753 /* got length */
3754 s->packet_len = ntohl(*(uint32_t *)s->buf);
3755 s->index = 0;
3756 s->state = 1;
3757 }
3758 break;
3759 case 1:
3760 l = s->packet_len - s->index;
3761 if (l > size)
3762 l = size;
3763 memcpy(s->buf + s->index, buf, l);
3764 s->index += l;
3765 buf += l;
3766 size -= l;
3767 if (s->index >= s->packet_len) {
3768 qemu_send_packet(s->vc, s->buf, s->packet_len);
3769 s->index = 0;
3770 s->state = 0;
3771 }
3772 break;
3773 }
3774 }
3775 }
3776
3777 static void net_socket_send_dgram(void *opaque)
3778 {
3779 NetSocketState *s = opaque;
3780 int size;
3781
3782 size = recv(s->fd, s->buf, sizeof(s->buf), 0);
3783 if (size < 0)
3784 return;
3785 if (size == 0) {
3786 /* end of connection */
3787 qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
3788 return;
3789 }
3790 qemu_send_packet(s->vc, s->buf, size);
3791 }
3792
3793 static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
3794 {
3795 struct ip_mreq imr;
3796 int fd;
3797 int val, ret;
3798 if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
3799 fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
3800 inet_ntoa(mcastaddr->sin_addr),
3801 (int)ntohl(mcastaddr->sin_addr.s_addr));
3802 return -1;
3803
3804 }
3805 fd = socket(PF_INET, SOCK_DGRAM, 0);
3806 if (fd < 0) {
3807 perror("socket(PF_INET, SOCK_DGRAM)");
3808 return -1;
3809 }
3810
3811 val = 1;
3812 ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
3813 (const char *)&val, sizeof(val));
3814 if (ret < 0) {
3815 perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
3816 goto fail;
3817 }
3818
3819 ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
3820 if (ret < 0) {
3821 perror("bind");
3822 goto fail;
3823 }
3824
3825 /* Add host to multicast group */
3826 imr.imr_multiaddr = mcastaddr->sin_addr;
3827 imr.imr_interface.s_addr = htonl(INADDR_ANY);
3828
3829 ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
3830 (const char *)&imr, sizeof(struct ip_mreq));
3831 if (ret < 0) {
3832 perror("setsockopt(IP_ADD_MEMBERSHIP)");
3833 goto fail;
3834 }
3835
3836 /* Force mcast msgs to loopback (eg. several QEMUs in same host */
3837 val = 1;
3838 ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
3839 (const char *)&val, sizeof(val));
3840 if (ret < 0) {
3841 perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
3842 goto fail;
3843 }
3844
3845 socket_set_nonblock(fd);
3846 return fd;
3847 fail:
3848 if (fd >= 0)
3849 closesocket(fd);
3850 return -1;
3851 }
3852
3853 static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
3854 int is_connected)
3855 {
3856 struct sockaddr_in saddr;
3857 int newfd;
3858 socklen_t saddr_len;
3859 NetSocketState *s;
3860
3861 /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
3862 * Because this may be "shared" socket from a "master" process, datagrams would be recv()
3863 * by ONLY ONE process: we must "clone" this dgram socket --jjo
3864 */
3865
3866 if (is_connected) {
3867 if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
3868 /* must be bound */
3869 if (saddr.sin_addr.s_addr==0) {
3870 fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
3871 fd);
3872 return NULL;
3873 }
3874 /* clone dgram socket */
3875 newfd = net_socket_mcast_create(&saddr);
3876 if (newfd < 0) {
3877 /* error already reported by net_socket_mcast_create() */
3878 close(fd);
3879 return NULL;
3880 }
3881 /* clone newfd to fd, close newfd */
3882 dup2(newfd, fd);
3883 close(newfd);
3884
3885 } else {
3886 fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
3887 fd, strerror(errno));
3888 return NULL;
3889 }
3890 }
3891
3892 s = qemu_mallocz(sizeof(NetSocketState));
3893 if (!s)
3894 return NULL;
3895 s->fd = fd;
3896
3897 s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
3898 qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
3899
3900 /* mcast: save bound address as dst */
3901 if (is_connected) s->dgram_dst=saddr;
3902
3903 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3904 "socket: fd=%d (%s mcast=%s:%d)",
3905 fd, is_connected? "cloned" : "",
3906 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3907 return s;
3908 }
3909
3910 static void net_socket_connect(void *opaque)
3911 {
3912 NetSocketState *s = opaque;
3913 qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
3914 }
3915
3916 static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
3917 int is_connected)
3918 {
3919 NetSocketState *s;
3920 s = qemu_mallocz(sizeof(NetSocketState));
3921 if (!s)
3922 return NULL;
3923 s->fd = fd;
3924 s->vc = qemu_new_vlan_client(vlan,
3925 net_socket_receive, NULL, s);
3926 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
3927 "socket: fd=%d", fd);
3928 if (is_connected) {
3929 net_socket_connect(s);
3930 } else {
3931 qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
3932 }
3933 return s;
3934 }
3935
3936 static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
3937 int is_connected)
3938 {
3939 int so_type=-1, optlen=sizeof(so_type);
3940
3941 if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
3942 fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
3943 return NULL;
3944 }
3945 switch(so_type) {
3946 case SOCK_DGRAM:
3947 return net_socket_fd_init_dgram(vlan, fd, is_connected);
3948 case SOCK_STREAM:
3949 return net_socket_fd_init_stream(vlan, fd, is_connected);
3950 default:
3951 /* who knows ... this could be a eg. a pty, do warn and continue as stream */
3952 fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
3953 return net_socket_fd_init_stream(vlan, fd, is_connected);
3954 }
3955 return NULL;
3956 }
3957
3958 static void net_socket_accept(void *opaque)
3959 {
3960 NetSocketListenState *s = opaque;
3961 NetSocketState *s1;
3962 struct sockaddr_in saddr;
3963 socklen_t len;
3964 int fd;
3965
3966 for(;;) {
3967 len = sizeof(saddr);
3968 fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
3969 if (fd < 0 && errno != EINTR) {
3970 return;
3971 } else if (fd >= 0) {
3972 break;
3973 }
3974 }
3975 s1 = net_socket_fd_init(s->vlan, fd, 1);
3976 if (!s1) {
3977 closesocket(fd);
3978 } else {
3979 snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
3980 "socket: connection from %s:%d",
3981 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
3982 }
3983 }
3984
3985 static int net_socket_listen_init(VLANState *vlan, const char *host_str)
3986 {
3987 NetSocketListenState *s;
3988 int fd, val, ret;
3989 struct sockaddr_in saddr;
3990
3991 if (parse_host_port(&saddr, host_str) < 0)
3992 return -1;
3993
3994 s = qemu_mallocz(sizeof(NetSocketListenState));
3995 if (!s)
3996 return -1;
3997
3998 fd = socket(PF_INET, SOCK_STREAM, 0);
3999 if (fd < 0) {
4000 perror("socket");
4001 return -1;
4002 }
4003 socket_set_nonblock(fd);
4004
4005 /* allow fast reuse */
4006 val = 1;
4007 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
4008
4009 ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4010 if (ret < 0) {
4011 perror("bind");
4012 return -1;
4013 }
4014 ret = listen(fd, 0);
4015 if (ret < 0) {
4016 perror("listen");
4017 return -1;
4018 }
4019 s->vlan = vlan;
4020 s->fd = fd;
4021 qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
4022 return 0;
4023 }
4024
4025 static int net_socket_connect_init(VLANState *vlan, const char *host_str)
4026 {
4027 NetSocketState *s;
4028 int fd, connected, ret, err;
4029 struct sockaddr_in saddr;
4030
4031 if (parse_host_port(&saddr, host_str) < 0)
4032 return -1;
4033
4034 fd = socket(PF_INET, SOCK_STREAM, 0);
4035 if (fd < 0) {
4036 perror("socket");
4037 return -1;
4038 }
4039 socket_set_nonblock(fd);
4040
4041 connected = 0;
4042 for(;;) {
4043 ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
4044 if (ret < 0) {
4045 err = socket_error();
4046 if (err == EINTR || err == EWOULDBLOCK) {
4047 } else if (err == EINPROGRESS) {
4048 break;
4049 #ifdef _WIN32
4050 } else if (err == WSAEALREADY) {
4051 break;
4052 #endif
4053 } else {
4054 perror("connect");
4055 closesocket(fd);
4056 return -1;
4057 }
4058 } else {
4059 connected = 1;
4060 break;
4061 }
4062 }
4063 s = net_socket_fd_init(vlan, fd, connected);
4064 if (!s)
4065 return -1;
4066 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4067 "socket: connect to %s:%d",
4068 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4069 return 0;
4070 }
4071
4072 static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
4073 {
4074 NetSocketState *s;
4075 int fd;
4076 struct sockaddr_in saddr;
4077
4078 if (parse_host_port(&saddr, host_str) < 0)
4079 return -1;
4080
4081
4082 fd = net_socket_mcast_create(&saddr);
4083 if (fd < 0)
4084 return -1;
4085
4086 s = net_socket_fd_init(vlan, fd, 0);
4087 if (!s)
4088 return -1;
4089
4090 s->dgram_dst = saddr;
4091
4092 snprintf(s->vc->info_str, sizeof(s->vc->info_str),
4093 "socket: mcast=%s:%d",
4094 inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
4095 return 0;
4096
4097 }
4098
4099 static int get_param_value(char *buf, int buf_size,
4100 const char *tag, const char *str)
4101 {
4102 const char *p;
4103 char *q;
4104 char option[128];
4105
4106 p = str;
4107 for(;;) {
4108 q = option;
4109 while (*p != '\0' && *p != '=') {
4110 if ((q - option) < sizeof(option) - 1)
4111 *q++ = *p;
4112 p++;
4113 }
4114 *q = '\0';
4115 if (*p != '=')
4116 break;
4117 p++;
4118 if (!strcmp(tag, option)) {
4119 q = buf;
4120 while (*p != '\0' && *p != ',') {
4121 if ((q - buf) < buf_size - 1)
4122 *q++ = *p;
4123 p++;
4124 }
4125 *q = '\0';
4126 return q - buf;
4127 } else {
4128 while (*p != '\0' && *p != ',') {
4129 p++;
4130 }
4131 }
4132 if (*p != ',')
4133 break;
4134 p++;
4135 }
4136 return 0;
4137 }
4138
4139 static int net_client_init(const char *str)
4140 {
4141 const char *p;
4142 char *q;
4143 char device[64];
4144 char buf[1024];
4145 int vlan_id, ret;
4146 VLANState *vlan;
4147
4148 p = str;
4149 q = device;
4150 while (*p != '\0' && *p != ',') {
4151 if ((q - device) < sizeof(device) - 1)
4152 *q++ = *p;
4153 p++;
4154 }
4155 *q = '\0';
4156 if (*p == ',')
4157 p++;
4158 vlan_id = 0;
4159 if (get_param_value(buf, sizeof(buf), "vlan", p)) {
4160 vlan_id = strtol(buf, NULL, 0);
4161 }
4162 vlan = qemu_find_vlan(vlan_id);
4163 if (!vlan) {
4164 fprintf(stderr, "Could not create vlan %d\n", vlan_id);
4165 return -1;
4166 }
4167 if (!strcmp(device, "nic")) {
4168 NICInfo *nd;
4169 uint8_t *macaddr;
4170
4171 if (nb_nics >= MAX_NICS) {
4172 fprintf(stderr, "Too Many NICs\n");
4173 return -1;
4174 }
4175 nd = &nd_table[nb_nics];
4176 macaddr = nd->macaddr;
4177 macaddr[0] = 0x52;
4178 macaddr[1] = 0x54;
4179 macaddr[2] = 0x00;
4180 macaddr[3] = 0x12;
4181 macaddr[4] = 0x34;
4182 macaddr[5] = 0x56 + nb_nics;
4183
4184 if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
4185 if (parse_macaddr(macaddr, buf) < 0) {
4186 fprintf(stderr, "invalid syntax for ethernet address\n");
4187 return -1;
4188 }
4189 }
4190 if (get_param_value(buf, sizeof(buf), "model", p)) {
4191 nd->model = strdup(buf);
4192 }
4193 nd->vlan = vlan;
4194 nb_nics++;
4195 ret = 0;
4196 } else
4197 if (!strcmp(device, "none")) {
4198 /* does nothing. It is needed to signal that no network cards
4199 are wanted */
4200 ret = 0;
4201 } else
4202 #ifdef CONFIG_SLIRP
4203 if (!strcmp(device, "user")) {
4204 if (get_param_value(buf, sizeof(buf), "hostname", p)) {
4205 pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
4206 }
4207 ret = net_slirp_init(vlan);
4208 } else
4209 #endif
4210 #ifdef _WIN32
4211 if (!strcmp(device, "tap")) {
4212 char ifname[64];
4213 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4214 fprintf(stderr, "tap: no interface name\n");
4215 return -1;
4216 }
4217 ret = tap_win32_init(vlan, ifname);
4218 } else
4219 #else
4220 if (!strcmp(device, "tap")) {
4221 char ifname[64];
4222 char setup_script[1024];
4223 int fd;
4224 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4225 fd = strtol(buf, NULL, 0);
4226 ret = -1;
4227 if (net_tap_fd_init(vlan, fd))
4228 ret = 0;
4229 } else {
4230 if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
4231 ifname[0] = '\0';
4232 }
4233 if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
4234 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
4235 }
4236 ret = net_tap_init(vlan, ifname, setup_script);
4237 }
4238 } else
4239 #endif
4240 if (!strcmp(device, "socket")) {
4241 if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
4242 int fd;
4243 fd = strtol(buf, NULL, 0);
4244 ret = -1;
4245 if (net_socket_fd_init(vlan, fd, 1))
4246 ret = 0;
4247 } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
4248 ret = net_socket_listen_init(vlan, buf);
4249 } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
4250 ret = net_socket_connect_init(vlan, buf);
4251 } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
4252 ret = net_socket_mcast_init(vlan, buf);
4253 } else {
4254 fprintf(stderr, "Unknown socket options: %s\n", p);
4255 return -1;
4256 }
4257 } else
4258 {
4259 fprintf(stderr, "Unknown network device: %s\n", device);
4260 return -1;
4261 }
4262 if (ret < 0) {
4263 fprintf(stderr, "Could not initialize device '%s'\n", device);
4264 }
4265
4266 return ret;
4267 }
4268
4269 void do_info_network(void)
4270 {
4271 VLANState *vlan;
4272 VLANClientState *vc;
4273
4274 for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
4275 term_printf("VLAN %d devices:\n", vlan->id);
4276 for(vc = vlan->first_client; vc != NULL; vc = vc->next)
4277 term_printf(" %s\n", vc->info_str);
4278 }
4279 }
4280
4281 /***********************************************************/
4282 /* USB devices */
4283
4284 static USBPort *used_usb_ports;
4285 static USBPort *free_usb_ports;
4286
4287 /* ??? Maybe change this to register a hub to keep track of the topology. */
4288 void qemu_register_usb_port(USBPort *port, void *opaque, int index,
4289 usb_attachfn attach)
4290 {
4291 port->opaque = opaque;
4292 port->index = index;
4293 port->attach = attach;
4294 port->next = free_usb_ports;
4295 free_usb_ports = port;
4296 }
4297
4298 static int usb_device_add(const char *devname)
4299 {
4300 const char *p;
4301 USBDevice *dev;
4302 USBPort *port;
4303
4304 if (!free_usb_ports)
4305 return -1;
4306
4307 if (strstart(devname, "host:", &p)) {
4308 dev = usb_host_device_open(p);
4309 } else if (!strcmp(devname, "mouse")) {
4310 dev = usb_mouse_init();
4311 } else if (!strcmp(devname, "tablet")) {
4312 dev = usb_tablet_init();
4313 } else if (strstart(devname, "disk:", &p)) {
4314 dev = usb_msd_init(p);
4315 } else {
4316 return -1;
4317 }
4318 if (!dev)
4319 return -1;
4320
4321 /* Find a USB port to add the device to. */
4322 port = free_usb_ports;
4323 if (!port->next) {
4324 USBDevice *hub;
4325
4326 /* Create a new hub and chain it on. */
4327 free_usb_ports = NULL;
4328 port->next = used_usb_ports;
4329 used_usb_ports = port;
4330
4331 hub = usb_hub_init(VM_USB_HUB_SIZE);
4332 usb_attach(port, hub);
4333 port = free_usb_ports;
4334 }
4335
4336 free_usb_ports = port->next;
4337 port->next = used_usb_ports;
4338 used_usb_ports = port;
4339 usb_attach(port, dev);
4340 return 0;
4341 }
4342
4343 static int usb_device_del(const char *devname)
4344 {
4345 USBPort *port;
4346 USBPort **lastp;
4347 USBDevice *dev;
4348 int bus_num, addr;
4349 const char *p;
4350
4351 if (!used_usb_ports)
4352 return -1;
4353
4354 p = strchr(devname, '.');
4355 if (!p)
4356 return -1;
4357 bus_num = strtoul(devname, NULL, 0);
4358 addr = strtoul(p + 1, NULL, 0);
4359 if (bus_num != 0)
4360 return -1;
4361
4362 lastp = &used_usb_ports;
4363 port = used_usb_ports;
4364 while (port && port->dev->addr != addr) {
4365 lastp = &port->next;
4366 port = port->next;
4367 }
4368
4369 if (!port)
4370 return -1;
4371
4372 dev = port->dev;
4373 *lastp = port->next;
4374 usb_attach(port, NULL);
4375 dev->handle_destroy(dev);
4376 port->next = free_usb_ports;
4377 free_usb_ports = port;
4378 return 0;
4379 }
4380
4381 void do_usb_add(const char *devname)
4382 {
4383 int ret;
4384 ret = usb_device_add(devname);
4385 if (ret < 0)
4386 term_printf("Could not add USB device '%s'\n", devname);
4387 }
4388
4389 void do_usb_del(const char *devname)
4390 {
4391 int ret;
4392 ret = usb_device_del(devname);
4393 if (ret < 0)
4394 term_printf("Could not remove USB device '%s'\n", devname);
4395 }
4396
4397 void usb_info(void)
4398 {
4399 USBDevice *dev;
4400 USBPort *port;
4401 const char *speed_str;
4402
4403 if (!usb_enabled) {
4404 term_printf("USB support not enabled\n");
4405 return;
4406 }
4407
4408 for (port = used_usb_ports; port; port = port->next) {
4409 dev = port->dev;
4410 if (!dev)
4411 continue;
4412 switch(dev->speed) {
4413 case USB_SPEED_LOW:
4414 speed_str = "1.5";
4415 break;
4416 case USB_SPEED_FULL:
4417 speed_str = "12";
4418 break;
4419 case USB_SPEED_HIGH:
4420 speed_str = "480";
4421 break;
4422 default:
4423 speed_str = "?";
4424 break;
4425 }
4426 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
4427 0, dev->addr, speed_str, dev->devname);
4428 }
4429 }
4430
4431 /***********************************************************/
4432 /* PCMCIA/Cardbus */
4433
4434 static struct pcmcia_socket_entry_s {
4435 struct pcmcia_socket_s *socket;
4436 struct pcmcia_socket_entry_s *next;
4437 } *pcmcia_sockets = 0;
4438
4439 void pcmcia_socket_register(struct pcmcia_socket_s *socket)
4440 {
4441 struct pcmcia_socket_entry_s *entry;
4442
4443 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
4444 entry->socket = socket;
4445 entry->next = pcmcia_sockets;
4446 pcmcia_sockets = entry;
4447 }
4448
4449 void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
4450 {
4451 struct pcmcia_socket_entry_s *entry, **ptr;
4452
4453 ptr = &pcmcia_sockets;
4454 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
4455 if (entry->socket == socket) {
4456 *ptr = entry->next;
4457 qemu_free(entry);
4458 }
4459 }
4460
4461 void pcmcia_info(void)
4462 {
4463 struct pcmcia_socket_entry_s *iter;
4464 if (!pcmcia_sockets)
4465 term_printf("No PCMCIA sockets\n");
4466
4467 for (iter = pcmcia_sockets; iter; iter = iter->next)
4468 term_printf("%s: %s\n", iter->socket->slot_string,
4469 iter->socket->attached ? iter->socket->card_string :
4470 "Empty");
4471 }
4472
4473 /***********************************************************/
4474 /* dumb display */
4475
4476 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
4477 {
4478 }
4479
4480 static void dumb_resize(DisplayState *ds, int w, int h)
4481 {
4482 }
4483
4484 static void dumb_refresh(DisplayState *ds)
4485 {
4486 vga_hw_update();
4487 }
4488
4489 void dumb_display_init(DisplayState *ds)
4490 {
4491 ds->data = NULL;
4492 ds->linesize = 0;
4493 ds->depth = 0;
4494 ds->dpy_update = dumb_update;
4495 ds->dpy_resize = dumb_resize;
4496 ds->dpy_refresh = dumb_refresh;
4497 }
4498
4499 /***********************************************************/
4500 /* I/O handling */
4501
4502 #define MAX_IO_HANDLERS 64
4503
4504 typedef struct IOHandlerRecord {
4505 int fd;
4506 IOCanRWHandler *fd_read_poll;
4507 IOHandler *fd_read;
4508 IOHandler *fd_write;
4509 int deleted;
4510 void *opaque;
4511 /* temporary data */
4512 struct pollfd *ufd;
4513 struct IOHandlerRecord *next;
4514 } IOHandlerRecord;
4515
4516 static IOHandlerRecord *first_io_handler;
4517
4518 /* XXX: fd_read_poll should be suppressed, but an API change is
4519 necessary in the character devices to suppress fd_can_read(). */
4520 int qemu_set_fd_handler2(int fd,
4521 IOCanRWHandler *fd_read_poll,
4522 IOHandler *fd_read,
4523 IOHandler *fd_write,
4524 void *opaque)
4525 {
4526 IOHandlerRecord **pioh, *ioh;
4527
4528 if (!fd_read && !fd_write) {
4529 pioh = &first_io_handler;
4530 for(;;) {
4531 ioh = *pioh;
4532 if (ioh == NULL)
4533 break;
4534 if (ioh->fd == fd) {
4535 ioh->deleted = 1;
4536 break;
4537 }
4538 pioh = &ioh->next;
4539 }
4540 } else {
4541 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
4542 if (ioh->fd == fd)
4543 goto found;
4544 }
4545 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
4546 if (!ioh)
4547 return -1;
4548 ioh->next = first_io_handler;
4549 first_io_handler = ioh;
4550 found:
4551 ioh->fd = fd;
4552 ioh->fd_read_poll = fd_read_poll;
4553 ioh->fd_read = fd_read;
4554 ioh->fd_write = fd_write;
4555 ioh->opaque = opaque;
4556 ioh->deleted = 0;
4557 }
4558 return 0;
4559 }
4560
4561 int qemu_set_fd_handler(int fd,
4562 IOHandler *fd_read,
4563 IOHandler *fd_write,
4564 void *opaque)
4565 {
4566 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
4567 }
4568
4569 /***********************************************************/
4570 /* Polling handling */
4571
4572 typedef struct PollingEntry {
4573 PollingFunc *func;
4574 void *opaque;
4575 struct PollingEntry *next;
4576 } PollingEntry;
4577
4578 static PollingEntry *first_polling_entry;
4579
4580 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
4581 {
4582 PollingEntry **ppe, *pe;
4583 pe = qemu_mallocz(sizeof(PollingEntry));
4584 if (!pe)
4585 return -1;
4586 pe->func = func;
4587 pe->opaque = opaque;
4588 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
4589 *ppe = pe;
4590 return 0;
4591 }
4592
4593 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
4594 {
4595 PollingEntry **ppe, *pe;
4596 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
4597 pe = *ppe;
4598 if (pe->func == func && pe->opaque == opaque) {
4599 *ppe = pe->next;
4600 qemu_free(pe);
4601 break;
4602 }
4603 }
4604 }
4605
4606 #ifdef _WIN32
4607 /***********************************************************/
4608 /* Wait objects support */
4609 typedef struct WaitObjects {
4610 int num;
4611 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
4612 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
4613 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
4614 } WaitObjects;
4615
4616 static WaitObjects wait_objects = {0};
4617
4618 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4619 {
4620 WaitObjects *w = &wait_objects;
4621
4622 if (w->num >= MAXIMUM_WAIT_OBJECTS)
4623 return -1;
4624 w->events[w->num] = handle;
4625 w->func[w->num] = func;
4626 w->opaque[w->num] = opaque;
4627 w->num++;
4628 return 0;
4629 }
4630
4631 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
4632 {
4633 int i, found;
4634 WaitObjects *w = &wait_objects;
4635
4636 found = 0;
4637 for (i = 0; i < w->num; i++) {
4638 if (w->events[i] == handle)
4639 found = 1;
4640 if (found) {
4641 w->events[i] = w->events[i + 1];
4642 w->func[i] = w->func[i + 1];
4643 w->opaque[i] = w->opaque[i + 1];
4644 }
4645 }
4646 if (found)
4647 w->num--;
4648 }
4649 #endif
4650
4651 /***********************************************************/
4652 /* savevm/loadvm support */
4653
4654 #define IO_BUF_SIZE 32768
4655
4656 struct QEMUFile {
4657 FILE *outfile;
4658 BlockDriverState *bs;
4659 int is_file;
4660 int is_writable;
4661 int64_t base_offset;
4662 int64_t buf_offset; /* start of buffer when writing, end of buffer
4663 when reading */
4664 int buf_index;
4665 int buf_size; /* 0 when writing */
4666 uint8_t buf[IO_BUF_SIZE];
4667 };
4668
4669 QEMUFile *qemu_fopen(const char *filename, const char *mode)
4670 {
4671 QEMUFile *f;
4672
4673 f = qemu_mallocz(sizeof(QEMUFile));
4674 if (!f)
4675 return NULL;
4676 if (!strcmp(mode, "wb")) {
4677 f->is_writable = 1;
4678 } else if (!strcmp(mode, "rb")) {
4679 f->is_writable = 0;
4680 } else {
4681 goto fail;
4682 }
4683 f->outfile = fopen(filename, mode);
4684 if (!f->outfile)
4685 goto fail;
4686 f->is_file = 1;
4687 return f;
4688 fail:
4689 if (f->outfile)
4690 fclose(f->outfile);
4691 qemu_free(f);
4692 return NULL;
4693 }
4694
4695 QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
4696 {
4697 QEMUFile *f;
4698
4699 f = qemu_mallocz(sizeof(QEMUFile));
4700 if (!f)
4701 return NULL;
4702 f->is_file = 0;
4703 f->bs = bs;
4704 f->is_writable = is_writable;
4705 f->base_offset = offset;
4706 return f;
4707 }
4708
4709 void qemu_fflush(QEMUFile *f)
4710 {
4711 if (!f->is_writable)
4712 return;
4713 if (f->buf_index > 0) {
4714 if (f->is_file) {
4715 fseek(f->outfile, f->buf_offset, SEEK_SET);
4716 fwrite(f->buf, 1, f->buf_index, f->outfile);
4717 } else {
4718 bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
4719 f->buf, f->buf_index);
4720 }
4721 f->buf_offset += f->buf_index;
4722 f->buf_index = 0;
4723 }
4724 }
4725
4726 static void qemu_fill_buffer(QEMUFile *f)
4727 {
4728 int len;
4729
4730 if (f->is_writable)
4731 return;
4732 if (f->is_file) {
4733 fseek(f->outfile, f->buf_offset, SEEK_SET);
4734 len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
4735 if (len < 0)
4736 len = 0;
4737 } else {
4738 len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
4739 f->buf, IO_BUF_SIZE);
4740 if (len < 0)
4741 len = 0;
4742 }
4743 f->buf_index = 0;
4744 f->buf_size = len;
4745 f->buf_offset += len;
4746 }
4747
4748 void qemu_fclose(QEMUFile *f)
4749 {
4750 if (f->is_writable)
4751 qemu_fflush(f);
4752 if (f->is_file) {
4753 fclose(f->outfile);
4754 }
4755 qemu_free(f);
4756 }
4757
4758 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
4759 {
4760 int l;
4761 while (size > 0) {
4762 l = IO_BUF_SIZE - f->buf_index;
4763 if (l > size)
4764 l = size;
4765 memcpy(f->buf + f->buf_index, buf, l);
4766 f->buf_index += l;
4767 buf += l;
4768 size -= l;
4769 if (f->buf_index >= IO_BUF_SIZE)
4770 qemu_fflush(f);
4771 }
4772 }
4773
4774 void qemu_put_byte(QEMUFile *f, int v)
4775 {
4776 f->buf[f->buf_index++] = v;
4777 if (f->buf_index >= IO_BUF_SIZE)
4778 qemu_fflush(f);
4779 }
4780
4781 int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
4782 {
4783 int size, l;
4784
4785 size = size1;
4786 while (size > 0) {
4787 l = f->buf_size - f->buf_index;
4788 if (l == 0) {
4789 qemu_fill_buffer(f);
4790 l = f->buf_size - f->buf_index;
4791 if (l == 0)
4792 break;
4793 }
4794 if (l > size)
4795 l = size;
4796 memcpy(buf, f->buf + f->buf_index, l);
4797 f->buf_index += l;
4798 buf += l;
4799 size -= l;
4800 }
4801 return size1 - size;
4802 }
4803
4804 int qemu_get_byte(QEMUFile *f)
4805 {
4806 if (f->buf_index >= f->buf_size) {
4807 qemu_fill_buffer(f);
4808 if (f->buf_index >= f->buf_size)
4809 return 0;
4810 }
4811 return f->buf[f->buf_index++];
4812 }
4813
4814 int64_t qemu_ftell(QEMUFile *f)
4815 {
4816 return f->buf_offset - f->buf_size + f->buf_index;
4817 }
4818
4819 int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
4820 {
4821 if (whence == SEEK_SET) {
4822 /* nothing to do */
4823 } else if (whence == SEEK_CUR) {
4824 pos += qemu_ftell(f);
4825 } else {
4826 /* SEEK_END not supported */
4827 return -1;
4828 }
4829 if (f->is_writable) {
4830 qemu_fflush(f);
4831 f->buf_offset = pos;
4832 } else {
4833 f->buf_offset = pos;
4834 f->buf_index = 0;
4835 f->buf_size = 0;
4836 }
4837 return pos;
4838 }
4839
4840 void qemu_put_be16(QEMUFile *f, unsigned int v)
4841 {
4842 qemu_put_byte(f, v >> 8);
4843 qemu_put_byte(f, v);
4844 }
4845
4846 void qemu_put_be32(QEMUFile *f, unsigned int v)
4847 {
4848 qemu_put_byte(f, v >> 24);
4849 qemu_put_byte(f, v >> 16);
4850 qemu_put_byte(f, v >> 8);
4851 qemu_put_byte(f, v);
4852 }
4853
4854 void qemu_put_be64(QEMUFile *f, uint64_t v)
4855 {
4856 qemu_put_be32(f, v >> 32);
4857 qemu_put_be32(f, v);
4858 }
4859
4860 unsigned int qemu_get_be16(QEMUFile *f)
4861 {
4862 unsigned int v;
4863 v = qemu_get_byte(f) << 8;
4864 v |= qemu_get_byte(f);
4865 return v;
4866 }
4867
4868 unsigned int qemu_get_be32(QEMUFile *f)
4869 {
4870 unsigned int v;
4871 v = qemu_get_byte(f) << 24;
4872 v |= qemu_get_byte(f) << 16;
4873 v |= qemu_get_byte(f) << 8;
4874 v |= qemu_get_byte(f);
4875 return v;
4876 }
4877
4878 uint64_t qemu_get_be64(QEMUFile *f)
4879 {
4880 uint64_t v;
4881 v = (uint64_t)qemu_get_be32(f) << 32;
4882 v |= qemu_get_be32(f);
4883 return v;
4884 }
4885
4886 typedef struct SaveStateEntry {
4887 char idstr[256];
4888 int instance_id;
4889 int version_id;
4890 SaveStateHandler *save_state;
4891 LoadStateHandler *load_state;
4892 void *opaque;
4893 struct SaveStateEntry *next;
4894 } SaveStateEntry;
4895
4896 static SaveStateEntry *first_se;
4897
4898 int register_savevm(const char *idstr,
4899 int instance_id,
4900 int version_id,
4901 SaveStateHandler *save_state,
4902 LoadStateHandler *load_state,
4903 void *opaque)
4904 {
4905 SaveStateEntry *se, **pse;
4906
4907 se = qemu_malloc(sizeof(SaveStateEntry));
4908 if (!se)
4909 return -1;
4910 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
4911 se->instance_id = instance_id;
4912 se->version_id = version_id;
4913 se->save_state = save_state;
4914 se->load_state = load_state;
4915 se->opaque = opaque;
4916 se->next = NULL;
4917
4918 /* add at the end of list */
4919 pse = &first_se;
4920 while (*pse != NULL)
4921 pse = &(*pse)->next;
4922 *pse = se;
4923 return 0;
4924 }
4925
4926 #define QEMU_VM_FILE_MAGIC 0x5145564d
4927 #define QEMU_VM_FILE_VERSION 0x00000002
4928
4929 int qemu_savevm_state(QEMUFile *f)
4930 {
4931 SaveStateEntry *se;
4932 int len, ret;
4933 int64_t cur_pos, len_pos, total_len_pos;
4934
4935 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
4936 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
4937 total_len_pos = qemu_ftell(f);
4938 qemu_put_be64(f, 0); /* total size */
4939
4940 for(se = first_se; se != NULL; se = se->next) {
4941 /* ID string */
4942 len = strlen(se->idstr);
4943 qemu_put_byte(f, len);
4944 qemu_put_buffer(f, se->idstr, len);
4945
4946 qemu_put_be32(f, se->instance_id);
4947 qemu_put_be32(f, se->version_id);
4948
4949 /* record size: filled later */
4950 len_pos = qemu_ftell(f);
4951 qemu_put_be32(f, 0);
4952
4953 se->save_state(f, se->opaque);
4954
4955 /* fill record size */
4956 cur_pos = qemu_ftell(f);
4957 len = cur_pos - len_pos - 4;
4958 qemu_fseek(f, len_pos, SEEK_SET);
4959 qemu_put_be32(f, len);
4960 qemu_fseek(f, cur_pos, SEEK_SET);
4961 }
4962 cur_pos = qemu_ftell(f);
4963 qemu_fseek(f, total_len_pos, SEEK_SET);
4964 qemu_put_be64(f, cur_pos - total_len_pos - 8);
4965 qemu_fseek(f, cur_pos, SEEK_SET);
4966
4967 ret = 0;
4968 return ret;
4969 }
4970
4971 static SaveStateEntry *find_se(const char *idstr, int instance_id)
4972 {
4973 SaveStateEntry *se;
4974
4975 for(se = first_se; se != NULL; se = se->next) {
4976 if (!strcmp(se->idstr, idstr) &&
4977 instance_id == se->instance_id)
4978 return se;
4979 }
4980 return NULL;
4981 }
4982
4983 int qemu_loadvm_state(QEMUFile *f)
4984 {
4985 SaveStateEntry *se;
4986 int len, ret, instance_id, record_len, version_id;
4987 int64_t total_len, end_pos, cur_pos;
4988 unsigned int v;
4989 char idstr[256];
4990
4991 v = qemu_get_be32(f);
4992 if (v != QEMU_VM_FILE_MAGIC)
4993 goto fail;
4994 v = qemu_get_be32(f);
4995 if (v != QEMU_VM_FILE_VERSION) {
4996 fail:
4997 ret = -1;
4998 goto the_end;
4999 }
5000 total_len = qemu_get_be64(f);
5001 end_pos = total_len + qemu_ftell(f);
5002 for(;;) {
5003 if (qemu_ftell(f) >= end_pos)
5004 break;
5005 len = qemu_get_byte(f);
5006 qemu_get_buffer(f, idstr, len);
5007 idstr[len] = '\0';
5008 instance_id = qemu_get_be32(f);
5009 version_id = qemu_get_be32(f);
5010 record_len = qemu_get_be32(f);
5011 #if 0
5012 printf("idstr=%s instance=0x%x version=%d len=%d\n",
5013 idstr, instance_id, version_id, record_len);
5014 #endif
5015 cur_pos = qemu_ftell(f);
5016 se = find_se(idstr, instance_id);
5017 if (!se) {
5018 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
5019 instance_id, idstr);
5020 } else {
5021 ret = se->load_state(f, se->opaque, version_id);
5022 if (ret < 0) {
5023 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
5024 instance_id, idstr);
5025 }
5026 }
5027 /* always seek to exact end of record */
5028 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
5029 }
5030 ret = 0;
5031 the_end:
5032 return ret;
5033 }
5034
5035 /* device can contain snapshots */
5036 static int bdrv_can_snapshot(BlockDriverState *bs)
5037 {
5038 return (bs &&
5039 !bdrv_is_removable(bs) &&
5040 !bdrv_is_read_only(bs));
5041 }
5042
5043 /* device must be snapshots in order to have a reliable snapshot */
5044 static int bdrv_has_snapshot(BlockDriverState *bs)
5045 {
5046 return (bs &&
5047 !bdrv_is_removable(bs) &&
5048 !bdrv_is_read_only(bs));
5049 }
5050
5051 static BlockDriverState *get_bs_snapshots(void)
5052 {
5053 BlockDriverState *bs;
5054 int i;
5055
5056 if (bs_snapshots)
5057 return bs_snapshots;
5058 for(i = 0; i <= MAX_DISKS; i++) {
5059 bs = bs_table[i];
5060 if (bdrv_can_snapshot(bs))
5061 goto ok;
5062 }
5063 return NULL;
5064 ok:
5065 bs_snapshots = bs;
5066 return bs;
5067 }
5068
5069 static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
5070 const char *name)
5071 {
5072 QEMUSnapshotInfo *sn_tab, *sn;
5073 int nb_sns, i, ret;
5074
5075 ret = -ENOENT;
5076 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5077 if (nb_sns < 0)
5078 return ret;
5079 for(i = 0; i < nb_sns; i++) {
5080 sn = &sn_tab[i];
5081 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
5082 *sn_info = *sn;
5083 ret = 0;
5084 break;
5085 }
5086 }
5087 qemu_free(sn_tab);
5088 return ret;
5089 }
5090
5091 void do_savevm(const char *name)
5092 {
5093 BlockDriverState *bs, *bs1;
5094 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
5095 int must_delete, ret, i;
5096 BlockDriverInfo bdi1, *bdi = &bdi1;
5097 QEMUFile *f;
5098 int saved_vm_running;
5099 #ifdef _WIN32
5100 struct _timeb tb;
5101 #else
5102 struct timeval tv;
5103 #endif
5104
5105 bs = get_bs_snapshots();
5106 if (!bs) {
5107 term_printf("No block device can accept snapshots\n");
5108 return;
5109 }
5110
5111 /* ??? Should this occur after vm_stop? */
5112 qemu_aio_flush();
5113
5114 saved_vm_running = vm_running;
5115 vm_stop(0);
5116
5117 must_delete = 0;
5118 if (name) {
5119 ret = bdrv_snapshot_find(bs, old_sn, name);
5120 if (ret >= 0) {
5121 must_delete = 1;
5122 }
5123 }
5124 memset(sn, 0, sizeof(*sn));
5125 if (must_delete) {
5126 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
5127 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
5128 } else {
5129 if (name)
5130 pstrcpy(sn->name, sizeof(sn->name), name);
5131 }
5132
5133 /* fill auxiliary fields */
5134 #ifdef _WIN32
5135 _ftime(&tb);
5136 sn->date_sec = tb.time;
5137 sn->date_nsec = tb.millitm * 1000000;
5138 #else
5139 gettimeofday(&tv, NULL);
5140 sn->date_sec = tv.tv_sec;
5141 sn->date_nsec = tv.tv_usec * 1000;
5142 #endif
5143 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
5144
5145 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5146 term_printf("Device %s does not support VM state snapshots\n",
5147 bdrv_get_device_name(bs));
5148 goto the_end;
5149 }
5150
5151 /* save the VM state */
5152 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
5153 if (!f) {
5154 term_printf("Could not open VM state file\n");
5155 goto the_end;
5156 }
5157 ret = qemu_savevm_state(f);
5158 sn->vm_state_size = qemu_ftell(f);
5159 qemu_fclose(f);
5160 if (ret < 0) {
5161 term_printf("Error %d while writing VM\n", ret);
5162 goto the_end;
5163 }
5164
5165 /* create the snapshots */
5166
5167 for(i = 0; i < MAX_DISKS; i++) {
5168 bs1 = bs_table[i];
5169 if (bdrv_has_snapshot(bs1)) {
5170 if (must_delete) {
5171 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
5172 if (ret < 0) {
5173 term_printf("Error while deleting snapshot on '%s'\n",
5174 bdrv_get_device_name(bs1));
5175 }
5176 }
5177 ret = bdrv_snapshot_create(bs1, sn);
5178 if (ret < 0) {
5179 term_printf("Error while creating snapshot on '%s'\n",
5180 bdrv_get_device_name(bs1));
5181 }
5182 }
5183 }
5184
5185 the_end:
5186 if (saved_vm_running)
5187 vm_start();
5188 }
5189
5190 void do_loadvm(const char *name)
5191 {
5192 BlockDriverState *bs, *bs1;
5193 BlockDriverInfo bdi1, *bdi = &bdi1;
5194 QEMUFile *f;
5195 int i, ret;
5196 int saved_vm_running;
5197
5198 bs = get_bs_snapshots();
5199 if (!bs) {
5200 term_printf("No block device supports snapshots\n");
5201 return;
5202 }
5203
5204 /* Flush all IO requests so they don't interfere with the new state. */
5205 qemu_aio_flush();
5206
5207 saved_vm_running = vm_running;
5208 vm_stop(0);
5209
5210 for(i = 0; i <= MAX_DISKS; i++) {
5211 bs1 = bs_table[i];
5212 if (bdrv_has_snapshot(bs1)) {
5213 ret = bdrv_snapshot_goto(bs1, name);
5214 if (ret < 0) {
5215 if (bs != bs1)
5216 term_printf("Warning: ");
5217 switch(ret) {
5218 case -ENOTSUP:
5219 term_printf("Snapshots not supported on device '%s'\n",
5220 bdrv_get_device_name(bs1));
5221 break;
5222 case -ENOENT:
5223 term_printf("Could not find snapshot '%s' on device '%s'\n",
5224 name, bdrv_get_device_name(bs1));
5225 break;
5226 default:
5227 term_printf("Error %d while activating snapshot on '%s'\n",
5228 ret, bdrv_get_device_name(bs1));
5229 break;
5230 }
5231 /* fatal on snapshot block device */
5232 if (bs == bs1)
5233 goto the_end;
5234 }
5235 }
5236 }
5237
5238 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
5239 term_printf("Device %s does not support VM state snapshots\n",
5240 bdrv_get_device_name(bs));
5241 return;
5242 }
5243
5244 /* restore the VM state */
5245 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
5246 if (!f) {
5247 term_printf("Could not open VM state file\n");
5248 goto the_end;
5249 }
5250 ret = qemu_loadvm_state(f);
5251 qemu_fclose(f);
5252 if (ret < 0) {
5253 term_printf("Error %d while loading VM state\n", ret);
5254 }
5255 the_end:
5256 if (saved_vm_running)
5257 vm_start();
5258 }
5259
5260 void do_delvm(const char *name)
5261 {
5262 BlockDriverState *bs, *bs1;
5263 int i, ret;
5264
5265 bs = get_bs_snapshots();
5266 if (!bs) {
5267 term_printf("No block device supports snapshots\n");
5268 return;
5269 }
5270
5271 for(i = 0; i <= MAX_DISKS; i++) {
5272 bs1 = bs_table[i];
5273 if (bdrv_has_snapshot(bs1)) {
5274 ret = bdrv_snapshot_delete(bs1, name);
5275 if (ret < 0) {
5276 if (ret == -ENOTSUP)
5277 term_printf("Snapshots not supported on device '%s'\n",
5278 bdrv_get_device_name(bs1));
5279 else
5280 term_printf("Error %d while deleting snapshot on '%s'\n",
5281 ret, bdrv_get_device_name(bs1));
5282 }
5283 }
5284 }
5285 }
5286
5287 void do_info_snapshots(void)
5288 {
5289 BlockDriverState *bs, *bs1;
5290 QEMUSnapshotInfo *sn_tab, *sn;
5291 int nb_sns, i;
5292 char buf[256];
5293
5294 bs = get_bs_snapshots();
5295 if (!bs) {
5296 term_printf("No available block device supports snapshots\n");
5297 return;
5298 }
5299 term_printf("Snapshot devices:");
5300 for(i = 0; i <= MAX_DISKS; i++) {
5301 bs1 = bs_table[i];
5302 if (bdrv_has_snapshot(bs1)) {
5303 if (bs == bs1)
5304 term_printf(" %s", bdrv_get_device_name(bs1));
5305 }
5306 }
5307 term_printf("\n");
5308
5309 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
5310 if (nb_sns < 0) {
5311 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
5312 return;
5313 }
5314 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
5315 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
5316 for(i = 0; i < nb_sns; i++) {
5317 sn = &sn_tab[i];
5318 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
5319 }
5320 qemu_free(sn_tab);
5321 }
5322
5323 /***********************************************************/
5324 /* cpu save/restore */
5325
5326 #if defined(TARGET_I386)
5327
5328 static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
5329 {
5330 qemu_put_be32(f, dt->selector);
5331 qemu_put_betl(f, dt->base);
5332 qemu_put_be32(f, dt->limit);
5333 qemu_put_be32(f, dt->flags);
5334 }
5335
5336 static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
5337 {
5338 dt->selector = qemu_get_be32(f);
5339 dt->base = qemu_get_betl(f);
5340 dt->limit = qemu_get_be32(f);
5341 dt->flags = qemu_get_be32(f);
5342 }
5343
5344 void cpu_save(QEMUFile *f, void *opaque)
5345 {
5346 CPUState *env = opaque;
5347 uint16_t fptag, fpus, fpuc, fpregs_format;
5348 uint32_t hflags;
5349 int i;
5350
5351 for(i = 0; i < CPU_NB_REGS; i++)
5352 qemu_put_betls(f, &env->regs[i]);
5353 qemu_put_betls(f, &env->eip);
5354 qemu_put_betls(f, &env->eflags);
5355 hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
5356 qemu_put_be32s(f, &hflags);
5357
5358 /* FPU */
5359 fpuc = env->fpuc;
5360 fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
5361 fptag = 0;
5362 for(i = 0; i < 8; i++) {
5363 fptag |= ((!env->fptags[i]) << i);
5364 }
5365
5366 qemu_put_be16s(f, &fpuc);
5367 qemu_put_be16s(f, &fpus);
5368 qemu_put_be16s(f, &fptag);
5369
5370 #ifdef USE_X86LDOUBLE
5371 fpregs_format = 0;
5372 #else
5373 fpregs_format = 1;
5374 #endif
5375 qemu_put_be16s(f, &fpregs_format);
5376
5377 for(i = 0; i < 8; i++) {
5378 #ifdef USE_X86LDOUBLE
5379 {
5380 uint64_t mant;
5381 uint16_t exp;
5382 /* we save the real CPU data (in case of MMX usage only 'mant'
5383 contains the MMX register */
5384 cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
5385 qemu_put_be64(f, mant);
5386 qemu_put_be16(f, exp);
5387 }
5388 #else
5389 /* if we use doubles for float emulation, we save the doubles to
5390 avoid losing information in case of MMX usage. It can give
5391 problems if the image is restored on a CPU where long
5392 doubles are used instead. */
5393 qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
5394 #endif
5395 }
5396
5397 for(i = 0; i < 6; i++)
5398 cpu_put_seg(f, &env->segs[i]);
5399 cpu_put_seg(f, &env->ldt);
5400 cpu_put_seg(f, &env->tr);
5401 cpu_put_seg(f, &env->gdt);
5402 cpu_put_seg(f, &env->idt);
5403
5404 qemu_put_be32s(f, &env->sysenter_cs);
5405 qemu_put_be32s(f, &env->sysenter_esp);
5406 qemu_put_be32s(f, &env->sysenter_eip);
5407
5408 qemu_put_betls(f, &env->cr[0]);
5409 qemu_put_betls(f, &env->cr[2]);
5410 qemu_put_betls(f, &env->cr[3]);
5411 qemu_put_betls(f, &env->cr[4]);
5412
5413 for(i = 0; i < 8; i++)
5414 qemu_put_betls(f, &env->dr[i]);
5415
5416 /* MMU */
5417 qemu_put_be32s(f, &env->a20_mask);
5418
5419 /* XMM */
5420 qemu_put_be32s(f, &env->mxcsr);
5421 for(i = 0; i < CPU_NB_REGS; i++) {
5422 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5423 qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5424 }
5425
5426 #ifdef TARGET_X86_64
5427 qemu_put_be64s(f, &env->efer);
5428 qemu_put_be64s(f, &env->star);
5429 qemu_put_be64s(f, &env->lstar);
5430 qemu_put_be64s(f, &env->cstar);
5431 qemu_put_be64s(f, &env->fmask);
5432 qemu_put_be64s(f, &env->kernelgsbase);
5433 #endif
5434 qemu_put_be32s(f, &env->smbase);
5435 }
5436
5437 #ifdef USE_X86LDOUBLE
5438 /* XXX: add that in a FPU generic layer */
5439 union x86_longdouble {
5440 uint64_t mant;
5441 uint16_t exp;
5442 };
5443
5444 #define MANTD1(fp) (fp & ((1LL << 52) - 1))
5445 #define EXPBIAS1 1023
5446 #define EXPD1(fp) ((fp >> 52) & 0x7FF)
5447 #define SIGND1(fp) ((fp >> 32) & 0x80000000)
5448
5449 static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
5450 {
5451 int e;
5452 /* mantissa */
5453 p->mant = (MANTD1(temp) << 11) | (1LL << 63);
5454 /* exponent + sign */
5455 e = EXPD1(temp) - EXPBIAS1 + 16383;
5456 e |= SIGND1(temp) >> 16;
5457 p->exp = e;
5458 }
5459 #endif
5460
5461 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5462 {
5463 CPUState *env = opaque;
5464 int i, guess_mmx;
5465 uint32_t hflags;
5466 uint16_t fpus, fpuc, fptag, fpregs_format;
5467
5468 if (version_id != 3 && version_id != 4)
5469 return -EINVAL;
5470 for(i = 0; i < CPU_NB_REGS; i++)
5471 qemu_get_betls(f, &env->regs[i]);
5472 qemu_get_betls(f, &env->eip);
5473 qemu_get_betls(f, &env->eflags);
5474 qemu_get_be32s(f, &hflags);
5475
5476 qemu_get_be16s(f, &fpuc);
5477 qemu_get_be16s(f, &fpus);
5478 qemu_get_be16s(f, &fptag);
5479 qemu_get_be16s(f, &fpregs_format);
5480
5481 /* NOTE: we cannot always restore the FPU state if the image come
5482 from a host with a different 'USE_X86LDOUBLE' define. We guess
5483 if we are in an MMX state to restore correctly in that case. */
5484 guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
5485 for(i = 0; i < 8; i++) {
5486 uint64_t mant;
5487 uint16_t exp;
5488
5489 switch(fpregs_format) {
5490 case 0:
5491 mant = qemu_get_be64(f);
5492 exp = qemu_get_be16(f);
5493 #ifdef USE_X86LDOUBLE
5494 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5495 #else
5496 /* difficult case */
5497 if (guess_mmx)
5498 env->fpregs[i].mmx.MMX_Q(0) = mant;
5499 else
5500 env->fpregs[i].d = cpu_set_fp80(mant, exp);
5501 #endif
5502 break;
5503 case 1:
5504 mant = qemu_get_be64(f);
5505 #ifdef USE_X86LDOUBLE
5506 {
5507 union x86_longdouble *p;
5508 /* difficult case */
5509 p = (void *)&env->fpregs[i];
5510 if (guess_mmx) {
5511 p->mant = mant;
5512 p->exp = 0xffff;
5513 } else {
5514 fp64_to_fp80(p, mant);
5515 }
5516 }
5517 #else
5518 env->fpregs[i].mmx.MMX_Q(0) = mant;
5519 #endif
5520 break;
5521 default:
5522 return -EINVAL;
5523 }
5524 }
5525
5526 env->fpuc = fpuc;
5527 /* XXX: restore FPU round state */
5528 env->fpstt = (fpus >> 11) & 7;
5529 env->fpus = fpus & ~0x3800;
5530 fptag ^= 0xff;
5531 for(i = 0; i < 8; i++) {
5532 env->fptags[i] = (fptag >> i) & 1;
5533 }
5534
5535 for(i = 0; i < 6; i++)
5536 cpu_get_seg(f, &env->segs[i]);
5537 cpu_get_seg(f, &env->ldt);
5538 cpu_get_seg(f, &env->tr);
5539 cpu_get_seg(f, &env->gdt);
5540 cpu_get_seg(f, &env->idt);
5541
5542 qemu_get_be32s(f, &env->sysenter_cs);
5543 qemu_get_be32s(f, &env->sysenter_esp);
5544 qemu_get_be32s(f, &env->sysenter_eip);
5545
5546 qemu_get_betls(f, &env->cr[0]);
5547 qemu_get_betls(f, &env->cr[2]);
5548 qemu_get_betls(f, &env->cr[3]);
5549 qemu_get_betls(f, &env->cr[4]);
5550
5551 for(i = 0; i < 8; i++)
5552 qemu_get_betls(f, &env->dr[i]);
5553
5554 /* MMU */
5555 qemu_get_be32s(f, &env->a20_mask);
5556
5557 qemu_get_be32s(f, &env->mxcsr);
5558 for(i = 0; i < CPU_NB_REGS; i++) {
5559 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
5560 qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
5561 }
5562
5563 #ifdef TARGET_X86_64
5564 qemu_get_be64s(f, &env->efer);
5565 qemu_get_be64s(f, &env->star);
5566 qemu_get_be64s(f, &env->lstar);
5567 qemu_get_be64s(f, &env->cstar);
5568 qemu_get_be64s(f, &env->fmask);
5569 qemu_get_be64s(f, &env->kernelgsbase);
5570 #endif
5571 if (version_id >= 4)
5572 qemu_get_be32s(f, &env->smbase);
5573
5574 /* XXX: compute hflags from scratch, except for CPL and IIF */
5575 env->hflags = hflags;
5576 tlb_flush(env, 1);
5577 return 0;
5578 }
5579
5580 #elif defined(TARGET_PPC)
5581 void cpu_save(QEMUFile *f, void *opaque)
5582 {
5583 }
5584
5585 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5586 {
5587 return 0;
5588 }
5589
5590 #elif defined(TARGET_MIPS)
5591 void cpu_save(QEMUFile *f, void *opaque)
5592 {
5593 }
5594
5595 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5596 {
5597 return 0;
5598 }
5599
5600 #elif defined(TARGET_SPARC)
5601 void cpu_save(QEMUFile *f, void *opaque)
5602 {
5603 CPUState *env = opaque;
5604 int i;
5605 uint32_t tmp;
5606
5607 for(i = 0; i < 8; i++)
5608 qemu_put_betls(f, &env->gregs[i]);
5609 for(i = 0; i < NWINDOWS * 16; i++)
5610 qemu_put_betls(f, &env->regbase[i]);
5611
5612 /* FPU */
5613 for(i = 0; i < TARGET_FPREGS; i++) {
5614 union {
5615 float32 f;
5616 uint32_t i;
5617 } u;
5618 u.f = env->fpr[i];
5619 qemu_put_be32(f, u.i);
5620 }
5621
5622 qemu_put_betls(f, &env->pc);
5623 qemu_put_betls(f, &env->npc);
5624 qemu_put_betls(f, &env->y);
5625 tmp = GET_PSR(env);
5626 qemu_put_be32(f, tmp);
5627 qemu_put_betls(f, &env->fsr);
5628 qemu_put_betls(f, &env->tbr);
5629 #ifndef TARGET_SPARC64
5630 qemu_put_be32s(f, &env->wim);
5631 /* MMU */
5632 for(i = 0; i < 16; i++)
5633 qemu_put_be32s(f, &env->mmuregs[i]);
5634 #endif
5635 }
5636
5637 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5638 {
5639 CPUState *env = opaque;
5640 int i;
5641 uint32_t tmp;
5642
5643 for(i = 0; i < 8; i++)
5644 qemu_get_betls(f, &env->gregs[i]);
5645 for(i = 0; i < NWINDOWS * 16; i++)
5646 qemu_get_betls(f, &env->regbase[i]);
5647
5648 /* FPU */
5649 for(i = 0; i < TARGET_FPREGS; i++) {
5650 union {
5651 float32 f;
5652 uint32_t i;
5653 } u;
5654 u.i = qemu_get_be32(f);
5655 env->fpr[i] = u.f;
5656 }
5657
5658 qemu_get_betls(f, &env->pc);
5659 qemu_get_betls(f, &env->npc);
5660 qemu_get_betls(f, &env->y);
5661 tmp = qemu_get_be32(f);
5662 env->cwp = 0; /* needed to ensure that the wrapping registers are
5663 correctly updated */
5664 PUT_PSR(env, tmp);
5665 qemu_get_betls(f, &env->fsr);
5666 qemu_get_betls(f, &env->tbr);
5667 #ifndef TARGET_SPARC64
5668 qemu_get_be32s(f, &env->wim);
5669 /* MMU */
5670 for(i = 0; i < 16; i++)
5671 qemu_get_be32s(f, &env->mmuregs[i]);
5672 #endif
5673 tlb_flush(env, 1);
5674 return 0;
5675 }
5676
5677 #elif defined(TARGET_ARM)
5678
5679 /* ??? Need to implement these. */
5680 void cpu_save(QEMUFile *f, void *opaque)
5681 {
5682 }
5683
5684 int cpu_load(QEMUFile *f, void *opaque, int version_id)
5685 {
5686 return 0;
5687 }
5688
5689 #else
5690
5691 #warning No CPU save/restore functions
5692
5693 #endif
5694
5695 /***********************************************************/
5696 /* ram save/restore */
5697
5698 static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
5699 {
5700 int v;
5701
5702 v = qemu_get_byte(f);
5703 switch(v) {
5704 case 0:
5705 if (qemu_get_buffer(f, buf, len) != len)
5706 return -EIO;
5707 break;
5708 case 1:
5709 v = qemu_get_byte(f);
5710 memset(buf, v, len);
5711 break;
5712 default:
5713 return -EINVAL;
5714 }
5715 return 0;
5716 }
5717
5718 static int ram_load_v1(QEMUFile *f, void *opaque)
5719 {
5720 int i, ret;
5721
5722 if (qemu_get_be32(f) != phys_ram_size)
5723 return -EINVAL;
5724 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
5725 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
5726 if (ret)
5727 return ret;
5728 }
5729 return 0;
5730 }
5731
5732 #define BDRV_HASH_BLOCK_SIZE 1024
5733 #define IOBUF_SIZE 4096
5734 #define RAM_CBLOCK_MAGIC 0xfabe
5735
5736 typedef struct RamCompressState {
5737 z_stream zstream;
5738 QEMUFile *f;
5739 uint8_t buf[IOBUF_SIZE];
5740 } RamCompressState;
5741
5742 static int ram_compress_open(RamCompressState *s, QEMUFile *f)
5743 {
5744 int ret;
5745 memset(s, 0, sizeof(*s));
5746 s->f = f;
5747 ret = deflateInit2(&s->zstream, 1,
5748 Z_DEFLATED, 15,
5749 9, Z_DEFAULT_STRATEGY);
5750 if (ret != Z_OK)
5751 return -1;
5752 s->zstream.avail_out = IOBUF_SIZE;
5753 s->zstream.next_out = s->buf;
5754 return 0;
5755 }
5756
5757 static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
5758 {
5759 qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
5760 qemu_put_be16(s->f, len);
5761 qemu_put_buffer(s->f, buf, len);
5762 }
5763
5764 static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
5765 {
5766 int ret;
5767
5768 s->zstream.avail_in = len;
5769 s->zstream.next_in = (uint8_t *)buf;
5770 while (s->zstream.avail_in > 0) {
5771 ret = deflate(&s->zstream, Z_NO_FLUSH);
5772 if (ret != Z_OK)
5773 return -1;
5774 if (s->zstream.avail_out == 0) {
5775 ram_put_cblock(s, s->buf, IOBUF_SIZE);
5776 s->zstream.avail_out = IOBUF_SIZE;
5777 s->zstream.next_out = s->buf;
5778 }
5779 }
5780 return 0;
5781 }
5782
5783 static void ram_compress_close(RamCompressState *s)
5784 {
5785 int len, ret;
5786
5787 /* compress last bytes */
5788 for(;;) {
5789 ret = deflate(&s->zstream, Z_FINISH);
5790 if (ret == Z_OK || ret == Z_STREAM_END) {
5791 len = IOBUF_SIZE - s->zstream.avail_out;
5792 if (len > 0) {
5793 ram_put_cblock(s, s->buf, len);
5794 }
5795 s->zstream.avail_out = IOBUF_SIZE;
5796 s->zstream.next_out = s->buf;
5797 if (ret == Z_STREAM_END)
5798 break;
5799 } else {
5800 goto fail;
5801 }
5802 }
5803 fail:
5804 deflateEnd(&s->zstream);
5805 }
5806
5807 typedef struct RamDecompressState {
5808 z_stream zstream;
5809 QEMUFile *f;
5810 uint8_t buf[IOBUF_SIZE];
5811 } RamDecompressState;
5812
5813 static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
5814 {
5815 int ret;
5816 memset(s, 0, sizeof(*s));
5817 s->f = f;
5818 ret = inflateInit(&s->zstream);
5819 if (ret != Z_OK)
5820 return -1;
5821 return 0;
5822 }
5823
5824 static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
5825 {
5826 int ret, clen;
5827
5828 s->zstream.avail_out = len;
5829 s->zstream.next_out = buf;
5830 while (s->zstream.avail_out > 0) {
5831 if (s->zstream.avail_in == 0) {
5832 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
5833 return -1;
5834 clen = qemu_get_be16(s->f);
5835 if (clen > IOBUF_SIZE)
5836 return -1;
5837 qemu_get_buffer(s->f, s->buf, clen);
5838 s->zstream.avail_in = clen;
5839 s->zstream.next_in = s->buf;
5840 }
5841 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
5842 if (ret != Z_OK && ret != Z_STREAM_END) {
5843 return -1;
5844 }
5845 }
5846 return 0;
5847 }
5848
5849 static void ram_decompress_close(RamDecompressState *s)
5850 {
5851 inflateEnd(&s->zstream);
5852 }
5853
5854 static void ram_save(QEMUFile *f, void *opaque)
5855 {
5856 int i;
5857 RamCompressState s1, *s = &s1;
5858 uint8_t buf[10];
5859
5860 qemu_put_be32(f, phys_ram_size);
5861 if (ram_compress_open(s, f) < 0)
5862 return;
5863 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5864 #if 0
5865 if (tight_savevm_enabled) {
5866 int64_t sector_num;
5867 int j;
5868
5869 /* find if the memory block is available on a virtual
5870 block device */
5871 sector_num = -1;
5872 for(j = 0; j < MAX_DISKS; j++) {
5873 if (bs_table[j]) {
5874 sector_num = bdrv_hash_find(bs_table[j],
5875 phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5876 if (sector_num >= 0)
5877 break;
5878 }
5879 }
5880 if (j == MAX_DISKS)
5881 goto normal_compress;
5882 buf[0] = 1;
5883 buf[1] = j;
5884 cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
5885 ram_compress_buf(s, buf, 10);
5886 } else
5887 #endif
5888 {
5889 // normal_compress:
5890 buf[0] = 0;
5891 ram_compress_buf(s, buf, 1);
5892 ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
5893 }
5894 }
5895 ram_compress_close(s);
5896 }
5897
5898 static int ram_load(QEMUFile *f, void *opaque, int version_id)
5899 {
5900 RamDecompressState s1, *s = &s1;
5901 uint8_t buf[10];
5902 int i;
5903
5904 if (version_id == 1)
5905 return ram_load_v1(f, opaque);
5906 if (version_id != 2)
5907 return -EINVAL;
5908 if (qemu_get_be32(f) != phys_ram_size)
5909 return -EINVAL;
5910 if (ram_decompress_open(s, f) < 0)
5911 return -EINVAL;
5912 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
5913 if (ram_decompress_buf(s, buf, 1) < 0) {
5914 fprintf(stderr, "Error while reading ram block header\n");
5915 goto error;
5916 }
5917 if (buf[0] == 0) {
5918 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
5919 fprintf(stderr, "Error while reading ram block address=0x%08x", i);
5920 goto error;
5921 }
5922 } else
5923 #if 0
5924 if (buf[0] == 1) {
5925 int bs_index;
5926 int64_t sector_num;
5927
5928 ram_decompress_buf(s, buf + 1, 9);
5929 bs_index = buf[1];
5930 sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
5931 if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
5932 fprintf(stderr, "Invalid block device index %d\n", bs_index);
5933 goto error;
5934 }
5935 if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
5936 BDRV_HASH_BLOCK_SIZE / 512) < 0) {
5937 fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
5938 bs_index, sector_num);
5939 goto error;
5940 }
5941 } else
5942 #endif
5943 {
5944 error:
5945 printf("Error block header\n");
5946 return -EINVAL;
5947 }
5948 }
5949 ram_decompress_close(s);
5950 return 0;
5951 }
5952
5953 /***********************************************************/
5954 /* bottom halves (can be seen as timers which expire ASAP) */
5955
5956 struct QEMUBH {
5957 QEMUBHFunc *cb;
5958 void *opaque;
5959 int scheduled;
5960 QEMUBH *next;
5961 };
5962
5963 static QEMUBH *first_bh = NULL;
5964
5965 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
5966 {
5967 QEMUBH *bh;
5968 bh = qemu_mallocz(sizeof(QEMUBH));
5969 if (!bh)
5970 return NULL;
5971 bh->cb = cb;
5972 bh->opaque = opaque;
5973 return bh;
5974 }
5975
5976 int qemu_bh_poll(void)
5977 {
5978 QEMUBH *bh, **pbh;
5979 int ret;
5980
5981 ret = 0;
5982 for(;;) {
5983 pbh = &first_bh;
5984 bh = *pbh;
5985 if (!bh)
5986 break;
5987 ret = 1;
5988 *pbh = bh->next;
5989 bh->scheduled = 0;
5990 bh->cb(bh->opaque);
5991 }
5992 return ret;
5993 }
5994
5995 void qemu_bh_schedule(QEMUBH *bh)
5996 {
5997 CPUState *env = cpu_single_env;
5998 if (bh->scheduled)
5999 return;
6000 bh->scheduled = 1;
6001 bh->next = first_bh;
6002 first_bh = bh;
6003
6004 /* stop the currently executing CPU to execute the BH ASAP */
6005 if (env) {
6006 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
6007 }
6008 }
6009
6010 void qemu_bh_cancel(QEMUBH *bh)
6011 {
6012 QEMUBH **pbh;
6013 if (bh->scheduled) {
6014 pbh = &first_bh;
6015 while (*pbh != bh)
6016 pbh = &(*pbh)->next;
6017 *pbh = bh->next;
6018 bh->scheduled = 0;
6019 }
6020 }
6021
6022 void qemu_bh_delete(QEMUBH *bh)
6023 {
6024 qemu_bh_cancel(bh);
6025 qemu_free(bh);
6026 }
6027
6028 /***********************************************************/
6029 /* machine registration */
6030
6031 QEMUMachine *first_machine = NULL;
6032
6033 int qemu_register_machine(QEMUMachine *m)
6034 {
6035 QEMUMachine **pm;
6036 pm = &first_machine;
6037 while (*pm != NULL)
6038 pm = &(*pm)->next;
6039 m->next = NULL;
6040 *pm = m;
6041 return 0;
6042 }
6043
6044 QEMUMachine *find_machine(const char *name)
6045 {
6046 QEMUMachine *m;
6047
6048 for(m = first_machine; m != NULL; m = m->next) {
6049 if (!strcmp(m->name, name))
6050 return m;
6051 }
6052 return NULL;
6053 }
6054
6055 /***********************************************************/
6056 /* main execution loop */
6057
6058 void gui_update(void *opaque)
6059 {
6060 display_state.dpy_refresh(&display_state);
6061 qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
6062 }
6063
6064 struct vm_change_state_entry {
6065 VMChangeStateHandler *cb;
6066 void *opaque;
6067 LIST_ENTRY (vm_change_state_entry) entries;
6068 };
6069
6070 static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
6071
6072 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
6073 void *opaque)
6074 {
6075 VMChangeStateEntry *e;
6076
6077 e = qemu_mallocz(sizeof (*e));
6078 if (!e)
6079 return NULL;
6080
6081 e->cb = cb;
6082 e->opaque = opaque;
6083 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
6084 return e;
6085 }
6086
6087 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
6088 {
6089 LIST_REMOVE (e, entries);
6090 qemu_free (e);
6091 }
6092
6093 static void vm_state_notify(int running)
6094 {
6095 VMChangeStateEntry *e;
6096
6097 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
6098 e->cb(e->opaque, running);
6099 }
6100 }
6101
6102 /* XXX: support several handlers */
6103 static VMStopHandler *vm_stop_cb;
6104 static void *vm_stop_opaque;
6105
6106 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
6107 {
6108 vm_stop_cb = cb;
6109 vm_stop_opaque = opaque;
6110 return 0;
6111 }
6112
6113 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
6114 {
6115 vm_stop_cb = NULL;
6116 }
6117
6118 void vm_start(void)
6119 {
6120 if (!vm_running) {
6121 cpu_enable_ticks();
6122 vm_running = 1;
6123 vm_state_notify(1);
6124 }
6125 }
6126
6127 void vm_stop(int reason)
6128 {
6129 if (vm_running) {
6130 cpu_disable_ticks();
6131 vm_running = 0;
6132 if (reason != 0) {
6133 if (vm_stop_cb) {
6134 vm_stop_cb(vm_stop_opaque, reason);
6135 }
6136 }
6137 vm_state_notify(0);
6138 }
6139 }
6140
6141 /* reset/shutdown handler */
6142
6143 typedef struct QEMUResetEntry {
6144 QEMUResetHandler *func;
6145 void *opaque;
6146 struct QEMUResetEntry *next;
6147 } QEMUResetEntry;
6148
6149 static QEMUResetEntry *first_reset_entry;
6150 static int reset_requested;
6151 static int shutdown_requested;
6152 static int powerdown_requested;
6153
6154 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
6155 {
6156 QEMUResetEntry **pre, *re;
6157
6158 pre = &first_reset_entry;
6159 while (*pre != NULL)
6160 pre = &(*pre)->next;
6161 re = qemu_mallocz(sizeof(QEMUResetEntry));
6162 re->func = func;
6163 re->opaque = opaque;
6164 re->next = NULL;
6165 *pre = re;
6166 }
6167
6168 static void qemu_system_reset(void)
6169 {
6170 QEMUResetEntry *re;
6171
6172 /* reset all devices */
6173 for(re = first_reset_entry; re != NULL; re = re->next) {
6174 re->func(re->opaque);
6175 }
6176 }
6177
6178 void qemu_system_reset_request(void)
6179 {
6180 if (no_reboot) {
6181 shutdown_requested = 1;
6182 } else {
6183 reset_requested = 1;
6184 }
6185 if (cpu_single_env)
6186 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6187 }
6188
6189 void qemu_system_shutdown_request(void)
6190 {
6191 shutdown_requested = 1;
6192 if (cpu_single_env)
6193 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6194 }
6195
6196 void qemu_system_powerdown_request(void)
6197 {
6198 powerdown_requested = 1;
6199 if (cpu_single_env)
6200 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
6201 }
6202
6203 void main_loop_wait(int timeout)
6204 {
6205 IOHandlerRecord *ioh;
6206 fd_set rfds, wfds, xfds;
6207 int ret, nfds;
6208 #ifdef _WIN32
6209 int ret2, i;
6210 #endif
6211 struct timeval tv;
6212 PollingEntry *pe;
6213
6214
6215 /* XXX: need to suppress polling by better using win32 events */
6216 ret = 0;
6217 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
6218 ret |= pe->func(pe->opaque);
6219 }
6220 #ifdef _WIN32
6221 if (ret == 0) {
6222 int err;
6223 WaitObjects *w = &wait_objects;
6224
6225 ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
6226 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
6227 if (w->func[ret - WAIT_OBJECT_0])
6228 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
6229
6230 /* Check for additional signaled events */
6231 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
6232
6233 /* Check if event is signaled */
6234 ret2 = WaitForSingleObject(w->events[i], 0);
6235 if(ret2 == WAIT_OBJECT_0) {
6236 if (w->func[i])
6237 w->func[i](w->opaque[i]);
6238 } else if (ret2 == WAIT_TIMEOUT) {
6239 } else {
6240 err = GetLastError();
6241 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
6242 }
6243 }
6244 } else if (ret == WAIT_TIMEOUT) {
6245 } else {
6246 err = GetLastError();
6247 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
6248 }
6249 }
6250 #endif
6251 /* poll any events */
6252 /* XXX: separate device handlers from system ones */
6253 nfds = -1;
6254 FD_ZERO(&rfds);
6255 FD_ZERO(&wfds);
6256 FD_ZERO(&xfds);
6257 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6258 if (ioh->deleted)
6259 continue;
6260 if (ioh->fd_read &&
6261 (!ioh->fd_read_poll ||
6262 ioh->fd_read_poll(ioh->opaque) != 0)) {
6263 FD_SET(ioh->fd, &rfds);
6264 if (ioh->fd > nfds)
6265 nfds = ioh->fd;
6266 }
6267 if (ioh->fd_write) {
6268 FD_SET(ioh->fd, &wfds);
6269 if (ioh->fd > nfds)
6270 nfds = ioh->fd;
6271 }
6272 }
6273
6274 tv.tv_sec = 0;
6275 #ifdef _WIN32
6276 tv.tv_usec = 0;
6277 #else
6278 tv.tv_usec = timeout * 1000;
6279 #endif
6280 #if defined(CONFIG_SLIRP)
6281 if (slirp_inited) {
6282 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
6283 }
6284 #endif
6285 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
6286 if (ret > 0) {
6287 IOHandlerRecord **pioh;
6288
6289 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6290 if (ioh->deleted)
6291 continue;
6292 if (FD_ISSET(ioh->fd, &rfds)) {
6293 ioh->fd_read(ioh->opaque);
6294 }
6295 if (FD_ISSET(ioh->fd, &wfds)) {
6296 ioh->fd_write(ioh->opaque);
6297 }
6298 }
6299
6300 /* remove deleted IO handlers */
6301 pioh = &first_io_handler;
6302 while (*pioh) {
6303 ioh = *pioh;
6304 if (ioh->deleted) {
6305 *pioh = ioh->next;
6306 qemu_free(ioh);
6307 } else
6308 pioh = &ioh->next;
6309 }
6310 }
6311 #if defined(CONFIG_SLIRP)
6312 if (slirp_inited) {
6313 if (ret < 0) {
6314 FD_ZERO(&rfds);
6315 FD_ZERO(&wfds);
6316 FD_ZERO(&xfds);
6317 }
6318 slirp_select_poll(&rfds, &wfds, &xfds);
6319 }
6320 #endif
6321 qemu_aio_poll();
6322 qemu_bh_poll();
6323
6324 if (vm_running) {
6325 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
6326 qemu_get_clock(vm_clock));
6327 /* run dma transfers, if any */
6328 DMA_run();
6329 }
6330
6331 /* real time timers */
6332 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
6333 qemu_get_clock(rt_clock));
6334 }
6335
6336 static CPUState *cur_cpu;
6337
6338 int main_loop(void)
6339 {
6340 int ret, timeout;
6341 #ifdef CONFIG_PROFILER
6342 int64_t ti;
6343 #endif
6344 CPUState *env;
6345
6346 cur_cpu = first_cpu;
6347 for(;;) {
6348 if (vm_running) {
6349
6350 env = cur_cpu;
6351 for(;;) {
6352 /* get next cpu */
6353 env = env->next_cpu;
6354 if (!env)
6355 env = first_cpu;
6356 #ifdef CONFIG_PROFILER
6357 ti = profile_getclock();
6358 #endif
6359 ret = cpu_exec(env);
6360 #ifdef CONFIG_PROFILER
6361 qemu_time += profile_getclock() - ti;
6362 #endif
6363 if (ret == EXCP_HLT) {
6364 /* Give the next CPU a chance to run. */
6365 cur_cpu = env;
6366 continue;
6367 }
6368 if (ret != EXCP_HALTED)
6369 break;
6370 /* all CPUs are halted ? */
6371 if (env == cur_cpu)
6372 break;
6373 }
6374 cur_cpu = env;
6375
6376 if (shutdown_requested) {
6377 ret = EXCP_INTERRUPT;
6378 break;
6379 }
6380 if (reset_requested) {
6381 reset_requested = 0;
6382 qemu_system_reset();
6383 ret = EXCP_INTERRUPT;
6384 }
6385 if (powerdown_requested) {
6386 powerdown_requested = 0;
6387 qemu_system_powerdown();
6388 ret = EXCP_INTERRUPT;
6389 }
6390 if (ret == EXCP_DEBUG) {
6391 vm_stop(EXCP_DEBUG);
6392 }
6393 /* If all cpus are halted then wait until the next IRQ */
6394 /* XXX: use timeout computed from timers */
6395 if (ret == EXCP_HALTED)
6396 timeout = 10;
6397 else
6398 timeout = 0;
6399 } else {
6400 timeout = 10;
6401 }
6402 #ifdef CONFIG_PROFILER
6403 ti = profile_getclock();
6404 #endif
6405 main_loop_wait(timeout);
6406 #ifdef CONFIG_PROFILER
6407 dev_time += profile_getclock() - ti;
6408 #endif
6409 }
6410 cpu_disable_ticks();
6411 return ret;
6412 }
6413
6414 void help(void)
6415 {
6416 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
6417 "usage: %s [options] [disk_image]\n"
6418 "\n"
6419 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
6420 "\n"
6421 "Standard options:\n"
6422 "-M machine select emulated machine (-M ? for list)\n"
6423 "-cpu cpu select CPU (-cpu ? for list)\n"
6424 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
6425 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
6426 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
6427 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
6428 "-mtdblock file use 'file' as on-board Flash memory image\n"
6429 "-sd file use 'file' as SecureDigital card image\n"
6430 "-pflash file use 'file' as a parallel flash image\n"
6431 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
6432 "-snapshot write to temporary files instead of disk image files\n"
6433 #ifdef CONFIG_SDL
6434 "-no-frame open SDL window without a frame and window decorations\n"
6435 "-no-quit disable SDL window close capability\n"
6436 #endif
6437 #ifdef TARGET_I386
6438 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
6439 #endif
6440 "-m megs set virtual RAM size to megs MB [default=%d]\n"
6441 "-smp n set the number of CPUs to 'n' [default=1]\n"
6442 "-nographic disable graphical output and redirect serial I/Os to console\n"
6443 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
6444 #ifndef _WIN32
6445 "-k language use keyboard layout (for example \"fr\" for French)\n"
6446 #endif
6447 #ifdef HAS_AUDIO
6448 "-audio-help print list of audio drivers and their options\n"
6449 "-soundhw c1,... enable audio support\n"
6450 " and only specified sound cards (comma separated list)\n"
6451 " use -soundhw ? to get the list of supported cards\n"
6452 " use -soundhw all to enable all of them\n"
6453 #endif
6454 "-localtime set the real time clock to local time [default=utc]\n"
6455 "-full-screen start in full screen\n"
6456 #ifdef TARGET_I386
6457 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
6458 #endif
6459 "-usb enable the USB driver (will be the default soon)\n"
6460 "-usbdevice name add the host or guest USB device 'name'\n"
6461 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6462 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
6463 #endif
6464 "-name string set the name of the guest\n"
6465 "\n"
6466 "Network options:\n"
6467 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
6468 " create a new Network Interface Card and connect it to VLAN 'n'\n"
6469 #ifdef CONFIG_SLIRP
6470 "-net user[,vlan=n][,hostname=host]\n"
6471 " connect the user mode network stack to VLAN 'n' and send\n"
6472 " hostname 'host' to DHCP clients\n"
6473 #endif
6474 #ifdef _WIN32
6475 "-net tap[,vlan=n],ifname=name\n"
6476 " connect the host TAP network interface to VLAN 'n'\n"
6477 #else
6478 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
6479 " connect the host TAP network interface to VLAN 'n' and use\n"
6480 " the network script 'file' (default=%s);\n"
6481 " use 'script=no' to disable script execution;\n"
6482 " use 'fd=h' to connect to an already opened TAP interface\n"
6483 #endif
6484 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
6485 " connect the vlan 'n' to another VLAN using a socket connection\n"
6486 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
6487 " connect the vlan 'n' to multicast maddr and port\n"
6488 "-net none use it alone to have zero network devices; if no -net option\n"
6489 " is provided, the default is '-net nic -net user'\n"
6490 "\n"
6491 #ifdef CONFIG_SLIRP
6492 "-tftp dir allow tftp access to files in dir [-net user]\n"
6493 "-bootp file advertise file in BOOTP replies\n"
6494 #ifndef _WIN32
6495 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
6496 #endif
6497 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
6498 " redirect TCP or UDP connections from host to guest [-net user]\n"
6499 #endif
6500 "\n"
6501 "Linux boot specific:\n"
6502 "-kernel bzImage use 'bzImage' as kernel image\n"
6503 "-append cmdline use 'cmdline' as kernel command line\n"
6504 "-initrd file use 'file' as initial ram disk\n"
6505 "\n"
6506 "Debug/Expert options:\n"
6507 "-monitor dev redirect the monitor to char device 'dev'\n"
6508 "-serial dev redirect the serial port to char device 'dev'\n"
6509 "-parallel dev redirect the parallel port to char device 'dev'\n"
6510 "-pidfile file Write PID to 'file'\n"
6511 "-S freeze CPU at startup (use 'c' to start execution)\n"
6512 "-s wait gdb connection to port\n"
6513 "-p port set gdb connection port [default=%s]\n"
6514 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
6515 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
6516 " translation (t=none or lba) (usually qemu can guess them)\n"
6517 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
6518 #ifdef USE_KQEMU
6519 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
6520 "-no-kqemu disable KQEMU kernel module usage\n"
6521 #endif
6522 #ifdef USE_CODE_COPY
6523 "-no-code-copy disable code copy acceleration\n"
6524 #endif
6525 #ifdef TARGET_I386
6526 "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
6527 " (default is CL-GD5446 PCI VGA)\n"
6528 "-no-acpi disable ACPI\n"
6529 #endif
6530 "-no-reboot exit instead of rebooting\n"
6531 "-loadvm file start right away with a saved state (loadvm in monitor)\n"
6532 "-vnc display start a VNC server on display\n"
6533 #ifndef _WIN32
6534 "-daemonize daemonize QEMU after initializing\n"
6535 #endif
6536 "-option-rom rom load a file, rom, into the option ROM space\n"
6537 #ifdef TARGET_SPARC
6538 "-prom-env variable=value set OpenBIOS nvram variables\n"
6539 #endif
6540 "\n"
6541 "During emulation, the following keys are useful:\n"
6542 "ctrl-alt-f toggle full screen\n"
6543 "ctrl-alt-n switch to virtual console 'n'\n"
6544 "ctrl-alt toggle mouse and keyboard grab\n"
6545 "\n"
6546 "When using -nographic, press 'ctrl-a h' to get some help.\n"
6547 ,
6548 "qemu",
6549 DEFAULT_RAM_SIZE,
6550 #ifndef _WIN32
6551 DEFAULT_NETWORK_SCRIPT,
6552 #endif
6553 DEFAULT_GDBSTUB_PORT,
6554 "/tmp/qemu.log");
6555 exit(1);
6556 }
6557
6558 #define HAS_ARG 0x0001
6559
6560 enum {
6561 QEMU_OPTION_h,
6562
6563 QEMU_OPTION_M,
6564 QEMU_OPTION_cpu,
6565 QEMU_OPTION_fda,
6566 QEMU_OPTION_fdb,
6567 QEMU_OPTION_hda,
6568 QEMU_OPTION_hdb,
6569 QEMU_OPTION_hdc,
6570 QEMU_OPTION_hdd,
6571 QEMU_OPTION_cdrom,
6572 QEMU_OPTION_mtdblock,
6573 QEMU_OPTION_sd,
6574 QEMU_OPTION_pflash,
6575 QEMU_OPTION_boot,
6576 QEMU_OPTION_snapshot,
6577 #ifdef TARGET_I386
6578 QEMU_OPTION_no_fd_bootchk,
6579 #endif
6580 QEMU_OPTION_m,
6581 QEMU_OPTION_nographic,
6582 QEMU_OPTION_portrait,
6583 #ifdef HAS_AUDIO
6584 QEMU_OPTION_audio_help,
6585 QEMU_OPTION_soundhw,
6586 #endif
6587
6588 QEMU_OPTION_net,
6589 QEMU_OPTION_tftp,
6590 QEMU_OPTION_bootp,
6591 QEMU_OPTION_smb,
6592 QEMU_OPTION_redir,
6593
6594 QEMU_OPTION_kernel,
6595 QEMU_OPTION_append,
6596 QEMU_OPTION_initrd,
6597
6598 QEMU_OPTION_S,
6599 QEMU_OPTION_s,
6600 QEMU_OPTION_p,
6601 QEMU_OPTION_d,
6602 QEMU_OPTION_hdachs,
6603 QEMU_OPTION_L,
6604 QEMU_OPTION_no_code_copy,
6605 QEMU_OPTION_k,
6606 QEMU_OPTION_localtime,
6607 QEMU_OPTION_cirrusvga,
6608 QEMU_OPTION_vmsvga,
6609 QEMU_OPTION_g,
6610 QEMU_OPTION_std_vga,
6611 QEMU_OPTION_echr,
6612 QEMU_OPTION_monitor,
6613 QEMU_OPTION_serial,
6614 QEMU_OPTION_parallel,
6615 QEMU_OPTION_loadvm,
6616 QEMU_OPTION_full_screen,
6617 QEMU_OPTION_no_frame,
6618 QEMU_OPTION_no_quit,
6619 QEMU_OPTION_pidfile,
6620 QEMU_OPTION_no_kqemu,
6621 QEMU_OPTION_kernel_kqemu,
6622 QEMU_OPTION_win2k_hack,
6623 QEMU_OPTION_usb,
6624 QEMU_OPTION_usbdevice,
6625 QEMU_OPTION_smp,
6626 QEMU_OPTION_vnc,
6627 QEMU_OPTION_no_acpi,
6628 QEMU_OPTION_no_reboot,
6629 QEMU_OPTION_show_cursor,
6630 QEMU_OPTION_daemonize,
6631 QEMU_OPTION_option_rom,
6632 QEMU_OPTION_semihosting,
6633 QEMU_OPTION_name,
6634 QEMU_OPTION_prom_env,
6635 };
6636
6637 typedef struct QEMUOption {
6638 const char *name;
6639 int flags;
6640 int index;
6641 } QEMUOption;
6642
6643 const QEMUOption qemu_options[] = {
6644 { "h", 0, QEMU_OPTION_h },
6645 { "help", 0, QEMU_OPTION_h },
6646
6647 { "M", HAS_ARG, QEMU_OPTION_M },
6648 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
6649 { "fda", HAS_ARG, QEMU_OPTION_fda },
6650 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
6651 { "hda", HAS_ARG, QEMU_OPTION_hda },
6652 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
6653 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
6654 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
6655 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
6656 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
6657 { "sd", HAS_ARG, QEMU_OPTION_sd },
6658 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
6659 { "boot", HAS_ARG, QEMU_OPTION_boot },
6660 { "snapshot", 0, QEMU_OPTION_snapshot },
6661 #ifdef TARGET_I386
6662 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
6663 #endif
6664 { "m", HAS_ARG, QEMU_OPTION_m },
6665 { "nographic", 0, QEMU_OPTION_nographic },
6666 { "portrait", 0, QEMU_OPTION_portrait },
6667 { "k", HAS_ARG, QEMU_OPTION_k },
6668 #ifdef HAS_AUDIO
6669 { "audio-help", 0, QEMU_OPTION_audio_help },
6670 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
6671 #endif
6672
6673 { "net", HAS_ARG, QEMU_OPTION_net},
6674 #ifdef CONFIG_SLIRP
6675 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
6676 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
6677 #ifndef _WIN32
6678 { "smb", HAS_ARG, QEMU_OPTION_smb },
6679 #endif
6680 { "redir", HAS_ARG, QEMU_OPTION_redir },
6681 #endif
6682
6683 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
6684 { "append", HAS_ARG, QEMU_OPTION_append },
6685 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
6686
6687 { "S", 0, QEMU_OPTION_S },
6688 { "s", 0, QEMU_OPTION_s },
6689 { "p", HAS_ARG, QEMU_OPTION_p },
6690 { "d", HAS_ARG, QEMU_OPTION_d },
6691 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
6692 { "L", HAS_ARG, QEMU_OPTION_L },
6693 { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
6694 #ifdef USE_KQEMU
6695 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
6696 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
6697 #endif
6698 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
6699 { "g", 1, QEMU_OPTION_g },
6700 #endif
6701 { "localtime", 0, QEMU_OPTION_localtime },
6702 { "std-vga", 0, QEMU_OPTION_std_vga },
6703 { "echr", 1, QEMU_OPTION_echr },
6704 { "monitor", 1, QEMU_OPTION_monitor },
6705 { "serial", 1, QEMU_OPTION_serial },
6706 { "parallel", 1, QEMU_OPTION_parallel },
6707 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
6708 { "full-screen", 0, QEMU_OPTION_full_screen },
6709 #ifdef CONFIG_SDL
6710 { "no-frame", 0, QEMU_OPTION_no_frame },
6711 { "no-quit", 0, QEMU_OPTION_no_quit },
6712 #endif
6713 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
6714 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
6715 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6716 { "smp", HAS_ARG, QEMU_OPTION_smp },
6717 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
6718
6719 /* temporary options */
6720 { "usb", 0, QEMU_OPTION_usb },
6721 { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
6722 { "vmwarevga", 0, QEMU_OPTION_vmsvga },
6723 { "no-acpi", 0, QEMU_OPTION_no_acpi },
6724 { "no-reboot", 0, QEMU_OPTION_no_reboot },
6725 { "show-cursor", 0, QEMU_OPTION_show_cursor },
6726 { "daemonize", 0, QEMU_OPTION_daemonize },
6727 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
6728 #if defined(TARGET_ARM)
6729 { "semihosting", 0, QEMU_OPTION_semihosting },
6730 #endif
6731 { "name", HAS_ARG, QEMU_OPTION_name },
6732 #if defined(TARGET_SPARC)
6733 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
6734 #endif
6735 { NULL },
6736 };
6737
6738 #if defined (TARGET_I386) && defined(USE_CODE_COPY)
6739
6740 /* this stack is only used during signal handling */
6741 #define SIGNAL_STACK_SIZE 32768
6742
6743 static uint8_t *signal_stack;
6744
6745 #endif
6746
6747 /* password input */
6748
6749 int qemu_key_check(BlockDriverState *bs, const char *name)
6750 {
6751 char password[256];
6752 int i;
6753
6754 if (!bdrv_is_encrypted(bs))
6755 return 0;
6756
6757 term_printf("%s is encrypted.\n", name);
6758 for(i = 0; i < 3; i++) {
6759 monitor_readline("Password: ", 1, password, sizeof(password));
6760 if (bdrv_set_key(bs, password) == 0)
6761 return 0;
6762 term_printf("invalid password\n");
6763 }
6764 return -EPERM;
6765 }
6766
6767 static BlockDriverState *get_bdrv(int index)
6768 {
6769 BlockDriverState *bs;
6770
6771 if (index < 4) {
6772 bs = bs_table[index];
6773 } else if (index < 6) {
6774 bs = fd_table[index - 4];
6775 } else {
6776 bs = NULL;
6777 }
6778 return bs;
6779 }
6780
6781 static void read_passwords(void)
6782 {
6783 BlockDriverState *bs;
6784 int i;
6785
6786 for(i = 0; i < 6; i++) {
6787 bs = get_bdrv(i);
6788 if (bs)
6789 qemu_key_check(bs, bdrv_get_device_name(bs));
6790 }
6791 }
6792
6793 /* XXX: currently we cannot use simultaneously different CPUs */
6794 void register_machines(void)
6795 {
6796 #if defined(TARGET_I386)
6797 qemu_register_machine(&pc_machine);
6798 qemu_register_machine(&isapc_machine);
6799 #elif defined(TARGET_PPC)
6800 qemu_register_machine(&heathrow_machine);
6801 qemu_register_machine(&core99_machine);
6802 qemu_register_machine(&prep_machine);
6803 qemu_register_machine(&ref405ep_machine);
6804 qemu_register_machine(&taihu_machine);
6805 #elif defined(TARGET_MIPS)
6806 qemu_register_machine(&mips_machine);
6807 qemu_register_machine(&mips_malta_machine);
6808 qemu_register_machine(&mips_pica61_machine);
6809 #elif defined(TARGET_SPARC)
6810 #ifdef TARGET_SPARC64
6811 qemu_register_machine(&sun4u_machine);
6812 #else
6813 qemu_register_machine(&ss5_machine);
6814 qemu_register_machine(&ss10_machine);
6815 #endif
6816 #elif defined(TARGET_ARM)
6817 qemu_register_machine(&integratorcp_machine);
6818 qemu_register_machine(&versatilepb_machine);
6819 qemu_register_machine(&versatileab_machine);
6820 qemu_register_machine(&realview_machine);
6821 qemu_register_machine(&akitapda_machine);
6822 qemu_register_machine(&spitzpda_machine);
6823 qemu_register_machine(&borzoipda_machine);
6824 qemu_register_machine(&terrierpda_machine);
6825 #elif defined(TARGET_SH4)
6826 qemu_register_machine(&shix_machine);
6827 #elif defined(TARGET_ALPHA)
6828 /* XXX: TODO */
6829 #else
6830 #error unsupported CPU
6831 #endif
6832 }
6833
6834 #ifdef HAS_AUDIO
6835 struct soundhw soundhw[] = {
6836 #ifdef HAS_AUDIO_CHOICE
6837 #ifdef TARGET_I386
6838 {
6839 "pcspk",
6840 "PC speaker",
6841 0,
6842 1,
6843 { .init_isa = pcspk_audio_init }
6844 },
6845 #endif
6846 {
6847 "sb16",
6848 "Creative Sound Blaster 16",
6849 0,
6850 1,
6851 { .init_isa = SB16_init }
6852 },
6853
6854 #ifdef CONFIG_ADLIB
6855 {
6856 "adlib",
6857 #ifdef HAS_YMF262
6858 "Yamaha YMF262 (OPL3)",
6859 #else
6860 "Yamaha YM3812 (OPL2)",
6861 #endif
6862 0,
6863 1,
6864 { .init_isa = Adlib_init }
6865 },
6866 #endif
6867
6868 #ifdef CONFIG_GUS
6869 {
6870 "gus",
6871 "Gravis Ultrasound GF1",
6872 0,
6873 1,
6874 { .init_isa = GUS_init }
6875 },
6876 #endif
6877
6878 {
6879 "es1370",
6880 "ENSONIQ AudioPCI ES1370",
6881 0,
6882 0,
6883 { .init_pci = es1370_init }
6884 },
6885 #endif
6886
6887 { NULL, NULL, 0, 0, { NULL } }
6888 };
6889
6890 static void select_soundhw (const char *optarg)
6891 {
6892 struct soundhw *c;
6893
6894 if (*optarg == '?') {
6895 show_valid_cards:
6896
6897 printf ("Valid sound card names (comma separated):\n");
6898 for (c = soundhw; c->name; ++c) {
6899 printf ("%-11s %s\n", c->name, c->descr);
6900 }
6901 printf ("\n-soundhw all will enable all of the above\n");
6902 exit (*optarg != '?');
6903 }
6904 else {
6905 size_t l;
6906 const char *p;
6907 char *e;
6908 int bad_card = 0;
6909
6910 if (!strcmp (optarg, "all")) {
6911 for (c = soundhw; c->name; ++c) {
6912 c->enabled = 1;
6913 }
6914 return;
6915 }
6916
6917 p = optarg;
6918 while (*p) {
6919 e = strchr (p, ',');
6920 l = !e ? strlen (p) : (size_t) (e - p);
6921
6922 for (c = soundhw; c->name; ++c) {
6923 if (!strncmp (c->name, p, l)) {
6924 c->enabled = 1;
6925 break;
6926 }
6927 }
6928
6929 if (!c->name) {
6930 if (l > 80) {
6931 fprintf (stderr,
6932 "Unknown sound card name (too big to show)\n");
6933 }
6934 else {
6935 fprintf (stderr, "Unknown sound card name `%.*s'\n",
6936 (int) l, p);
6937 }
6938 bad_card = 1;
6939 }
6940 p += l + (e != NULL);
6941 }
6942
6943 if (bad_card)
6944 goto show_valid_cards;
6945 }
6946 }
6947 #endif
6948
6949 #ifdef _WIN32
6950 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
6951 {
6952 exit(STATUS_CONTROL_C_EXIT);
6953 return TRUE;
6954 }
6955 #endif
6956
6957 #define MAX_NET_CLIENTS 32
6958
6959 int main(int argc, char **argv)
6960 {
6961 #ifdef CONFIG_GDBSTUB
6962 int use_gdbstub;
6963 const char *gdbstub_port;
6964 #endif
6965 int i, cdrom_index, pflash_index;
6966 int snapshot, linux_boot;
6967 const char *initrd_filename;
6968 const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
6969 const char *pflash_filename[MAX_PFLASH];
6970 const char *sd_filename;
6971 const char *mtd_filename;
6972 const char *kernel_filename, *kernel_cmdline;
6973 DisplayState *ds = &display_state;
6974 int cyls, heads, secs, translation;
6975 char net_clients[MAX_NET_CLIENTS][256];
6976 int nb_net_clients;
6977 int optind;
6978 const char *r, *optarg;
6979 CharDriverState *monitor_hd;
6980 char monitor_device[128];
6981 char serial_devices[MAX_SERIAL_PORTS][128];
6982 int serial_device_index;
6983 char parallel_devices[MAX_PARALLEL_PORTS][128];
6984 int parallel_device_index;
6985 const char *loadvm = NULL;
6986 QEMUMachine *machine;
6987 const char *cpu_model;
6988 char usb_devices[MAX_USB_CMDLINE][128];
6989 int usb_devices_index;
6990 int fds[2];
6991 const char *pid_file = NULL;
6992
6993 LIST_INIT (&vm_change_state_head);
6994 #ifndef _WIN32
6995 {
6996 struct sigaction act;
6997 sigfillset(&act.sa_mask);
6998 act.sa_flags = 0;
6999 act.sa_handler = SIG_IGN;
7000 sigaction(SIGPIPE, &act, NULL);
7001 }
7002 #else
7003 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
7004 /* Note: cpu_interrupt() is currently not SMP safe, so we force
7005 QEMU to run on a single CPU */
7006 {
7007 HANDLE h;
7008 DWORD mask, smask;
7009 int i;
7010 h = GetCurrentProcess();
7011 if (GetProcessAffinityMask(h, &mask, &smask)) {
7012 for(i = 0; i < 32; i++) {
7013 if (mask & (1 << i))
7014 break;
7015 }
7016 if (i != 32) {
7017 mask = 1 << i;
7018 SetProcessAffinityMask(h, mask);
7019 }
7020 }
7021 }
7022 #endif
7023
7024 register_machines();
7025 machine = first_machine;
7026 cpu_model = NULL;
7027 initrd_filename = NULL;
7028 for(i = 0; i < MAX_FD; i++)
7029 fd_filename[i] = NULL;
7030 for(i = 0; i < MAX_DISKS; i++)
7031 hd_filename[i] = NULL;
7032 for(i = 0; i < MAX_PFLASH; i++)
7033 pflash_filename[i] = NULL;
7034 pflash_index = 0;
7035 sd_filename = NULL;
7036 mtd_filename = NULL;
7037 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
7038 vga_ram_size = VGA_RAM_SIZE;
7039 #ifdef CONFIG_GDBSTUB
7040 use_gdbstub = 0;
7041 gdbstub_port = DEFAULT_GDBSTUB_PORT;
7042 #endif
7043 snapshot = 0;
7044 nographic = 0;
7045 kernel_filename = NULL;
7046 kernel_cmdline = "";
7047 #ifdef TARGET_PPC
7048 cdrom_index = 1;
7049 #else
7050 cdrom_index = 2;
7051 #endif
7052 cyls = heads = secs = 0;
7053 translation = BIOS_ATA_TRANSLATION_AUTO;
7054 pstrcpy(monitor_device, sizeof(monitor_device), "vc");
7055
7056 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
7057 for(i = 1; i < MAX_SERIAL_PORTS; i++)
7058 serial_devices[i][0] = '\0';
7059 serial_device_index = 0;
7060
7061 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
7062 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
7063 parallel_devices[i][0] = '\0';
7064 parallel_device_index = 0;
7065
7066 usb_devices_index = 0;
7067
7068 nb_net_clients = 0;
7069
7070 nb_nics = 0;
7071 /* default mac address of the first network interface */
7072
7073 optind = 1;
7074 for(;;) {
7075 if (optind >= argc)
7076 break;
7077 r = argv[optind];
7078 if (r[0] != '-') {
7079 hd_filename[0] = argv[optind++];
7080 } else {
7081 const QEMUOption *popt;
7082
7083 optind++;
7084 /* Treat --foo the same as -foo. */
7085 if (r[1] == '-')
7086 r++;
7087 popt = qemu_options;
7088 for(;;) {
7089 if (!popt->name) {
7090 fprintf(stderr, "%s: invalid option -- '%s'\n",
7091 argv[0], r);
7092 exit(1);
7093 }
7094 if (!strcmp(popt->name, r + 1))
7095 break;
7096 popt++;
7097 }
7098 if (popt->flags & HAS_ARG) {
7099 if (optind >= argc) {
7100 fprintf(stderr, "%s: option '%s' requires an argument\n",
7101 argv[0], r);
7102 exit(1);
7103 }
7104 optarg = argv[optind++];
7105 } else {
7106 optarg = NULL;
7107 }
7108
7109 switch(popt->index) {
7110 case QEMU_OPTION_M:
7111 machine = find_machine(optarg);
7112 if (!machine) {
7113 QEMUMachine *m;
7114 printf("Supported machines are:\n");
7115 for(m = first_machine; m != NULL; m = m->next) {
7116 printf("%-10s %s%s\n",
7117 m->name, m->desc,
7118 m == first_machine ? " (default)" : "");
7119 }
7120 exit(1);
7121 }
7122 break;
7123 case QEMU_OPTION_cpu:
7124 /* hw initialization will check this */
7125 if (optarg[0] == '?') {
7126 #if defined(TARGET_PPC)
7127 ppc_cpu_list(stdout, &fprintf);
7128 #elif defined(TARGET_ARM)
7129 arm_cpu_list();
7130 #elif defined(TARGET_MIPS)
7131 mips_cpu_list(stdout, &fprintf);
7132 #elif defined(TARGET_SPARC)
7133 sparc_cpu_list(stdout, &fprintf);
7134 #endif
7135 exit(1);
7136 } else {
7137 cpu_model = optarg;
7138 }
7139 break;
7140 case QEMU_OPTION_initrd:
7141 initrd_filename = optarg;
7142 break;
7143 case QEMU_OPTION_hda:
7144 case QEMU_OPTION_hdb:
7145 case QEMU_OPTION_hdc:
7146 case QEMU_OPTION_hdd:
7147 {
7148 int hd_index;
7149 hd_index = popt->index - QEMU_OPTION_hda;
7150 hd_filename[hd_index] = optarg;
7151 if (hd_index == cdrom_index)
7152 cdrom_index = -1;
7153 }
7154 break;
7155 case QEMU_OPTION_mtdblock:
7156 mtd_filename = optarg;
7157 break;
7158 case QEMU_OPTION_sd:
7159 sd_filename = optarg;
7160 break;
7161 case QEMU_OPTION_pflash:
7162 if (pflash_index >= MAX_PFLASH) {
7163 fprintf(stderr, "qemu: too many parallel flash images\n");
7164 exit(1);
7165 }
7166 pflash_filename[pflash_index++] = optarg;
7167 break;
7168 case QEMU_OPTION_snapshot:
7169 snapshot = 1;
7170 break;
7171 case QEMU_OPTION_hdachs:
7172 {
7173 const char *p;
7174 p = optarg;
7175 cyls = strtol(p, (char **)&p, 0);
7176 if (cyls < 1 || cyls > 16383)
7177 goto chs_fail;
7178 if (*p != ',')
7179 goto chs_fail;
7180 p++;
7181 heads = strtol(p, (char **)&p, 0);
7182 if (heads < 1 || heads > 16)
7183 goto chs_fail;
7184 if (*p != ',')
7185 goto chs_fail;
7186 p++;
7187 secs = strtol(p, (char **)&p, 0);
7188 if (secs < 1 || secs > 63)
7189 goto chs_fail;
7190 if (*p == ',') {
7191 p++;
7192 if (!strcmp(p, "none"))
7193 translation = BIOS_ATA_TRANSLATION_NONE;
7194 else if (!strcmp(p, "lba"))
7195 translation = BIOS_ATA_TRANSLATION_LBA;
7196 else if (!strcmp(p, "auto"))
7197 translation = BIOS_ATA_TRANSLATION_AUTO;
7198 else
7199 goto chs_fail;
7200 } else if (*p != '\0') {
7201 chs_fail:
7202 fprintf(stderr, "qemu: invalid physical CHS format\n");
7203 exit(1);
7204 }
7205 }
7206 break;
7207 case QEMU_OPTION_nographic:
7208 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
7209 pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "null");
7210 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
7211 nographic = 1;
7212 break;
7213 case QEMU_OPTION_portrait:
7214 graphic_rotate = 1;
7215 break;
7216 case QEMU_OPTION_kernel:
7217 kernel_filename = optarg;
7218 break;
7219 case QEMU_OPTION_append:
7220 kernel_cmdline = optarg;
7221 break;
7222 case QEMU_OPTION_cdrom:
7223 if (cdrom_index >= 0) {
7224 hd_filename[cdrom_index] = optarg;
7225 }
7226 break;
7227 case QEMU_OPTION_boot:
7228 boot_device = optarg[0];
7229 if (boot_device != 'a' &&
7230 #if defined(TARGET_SPARC) || defined(TARGET_I386)
7231 // Network boot
7232 boot_device != 'n' &&
7233 #endif
7234 boot_device != 'c' && boot_device != 'd') {
7235 fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
7236 exit(1);
7237 }
7238 break;
7239 case QEMU_OPTION_fda:
7240 fd_filename[0] = optarg;
7241 break;
7242 case QEMU_OPTION_fdb:
7243 fd_filename[1] = optarg;
7244 break;
7245 #ifdef TARGET_I386
7246 case QEMU_OPTION_no_fd_bootchk:
7247 fd_bootchk = 0;
7248 break;
7249 #endif
7250 case QEMU_OPTION_no_code_copy:
7251 code_copy_enabled = 0;
7252 break;
7253 case QEMU_OPTION_net:
7254 if (nb_net_clients >= MAX_NET_CLIENTS) {
7255 fprintf(stderr, "qemu: too many network clients\n");
7256 exit(1);
7257 }
7258 pstrcpy(net_clients[nb_net_clients],
7259 sizeof(net_clients[0]),
7260 optarg);
7261 nb_net_clients++;
7262 break;
7263 #ifdef CONFIG_SLIRP
7264 case QEMU_OPTION_tftp:
7265 tftp_prefix = optarg;
7266 break;
7267 case QEMU_OPTION_bootp:
7268 bootp_filename = optarg;
7269 break;
7270 #ifndef _WIN32
7271 case QEMU_OPTION_smb:
7272 net_slirp_smb(optarg);
7273 break;
7274 #endif
7275 case QEMU_OPTION_redir:
7276 net_slirp_redir(optarg);
7277 break;
7278 #endif
7279 #ifdef HAS_AUDIO
7280 case QEMU_OPTION_audio_help:
7281 AUD_help ();
7282 exit (0);
7283 break;
7284 case QEMU_OPTION_soundhw:
7285 select_soundhw (optarg);
7286 break;
7287 #endif
7288 case QEMU_OPTION_h:
7289 help();
7290 break;
7291 case QEMU_OPTION_m:
7292 ram_size = atoi(optarg) * 1024 * 1024;
7293 if (ram_size <= 0)
7294 help();
7295 if (ram_size > PHYS_RAM_MAX_SIZE) {
7296 fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
7297 PHYS_RAM_MAX_SIZE / (1024 * 1024));
7298 exit(1);
7299 }
7300 break;
7301 case QEMU_OPTION_d:
7302 {
7303 int mask;
7304 CPULogItem *item;
7305
7306 mask = cpu_str_to_log_mask(optarg);
7307 if (!mask) {
7308 printf("Log items (comma separated):\n");
7309 for(item = cpu_log_items; item->mask != 0; item++) {
7310 printf("%-10s %s\n", item->name, item->help);
7311 }
7312 exit(1);
7313 }
7314 cpu_set_log(mask);
7315 }
7316 break;
7317 #ifdef CONFIG_GDBSTUB
7318 case QEMU_OPTION_s:
7319 use_gdbstub = 1;
7320 break;
7321 case QEMU_OPTION_p:
7322 gdbstub_port = optarg;
7323 break;
7324 #endif
7325 case QEMU_OPTION_L:
7326 bios_dir = optarg;
7327 break;
7328 case QEMU_OPTION_S:
7329 autostart = 0;
7330 break;
7331 case QEMU_OPTION_k:
7332 keyboard_layout = optarg;
7333 break;
7334 case QEMU_OPTION_localtime:
7335 rtc_utc = 0;
7336 break;
7337 case QEMU_OPTION_cirrusvga:
7338 cirrus_vga_enabled = 1;
7339 vmsvga_enabled = 0;
7340 break;
7341 case QEMU_OPTION_vmsvga:
7342 cirrus_vga_enabled = 0;
7343 vmsvga_enabled = 1;
7344 break;
7345 case QEMU_OPTION_std_vga:
7346 cirrus_vga_enabled = 0;
7347 vmsvga_enabled = 0;
7348 break;
7349 case QEMU_OPTION_g:
7350 {
7351 const char *p;
7352 int w, h, depth;
7353 p = optarg;
7354 w = strtol(p, (char **)&p, 10);
7355 if (w <= 0) {
7356 graphic_error:
7357 fprintf(stderr, "qemu: invalid resolution or depth\n");
7358 exit(1);
7359 }
7360 if (*p != 'x')
7361 goto graphic_error;
7362 p++;
7363 h = strtol(p, (char **)&p, 10);
7364 if (h <= 0)
7365 goto graphic_error;
7366 if (*p == 'x') {
7367 p++;
7368 depth = strtol(p, (char **)&p, 10);
7369 if (depth != 8 && depth != 15 && depth != 16 &&
7370 depth != 24 && depth != 32)
7371 goto graphic_error;
7372 } else if (*p == '\0') {
7373 depth = graphic_depth;
7374 } else {
7375 goto graphic_error;
7376 }
7377
7378 graphic_width = w;
7379 graphic_height = h;
7380 graphic_depth = depth;
7381 }
7382 break;
7383 case QEMU_OPTION_echr:
7384 {
7385 char *r;
7386 term_escape_char = strtol(optarg, &r, 0);
7387 if (r == optarg)
7388 printf("Bad argument to echr\n");
7389 break;
7390 }
7391 case QEMU_OPTION_monitor:
7392 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
7393 break;
7394 case QEMU_OPTION_serial:
7395 if (serial_device_index >= MAX_SERIAL_PORTS) {
7396 fprintf(stderr, "qemu: too many serial ports\n");
7397 exit(1);
7398 }
7399 pstrcpy(serial_devices[serial_device_index],
7400 sizeof(serial_devices[0]), optarg);
7401 serial_device_index++;
7402 break;
7403 case QEMU_OPTION_parallel:
7404 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
7405 fprintf(stderr, "qemu: too many parallel ports\n");
7406 exit(1);
7407 }
7408 pstrcpy(parallel_devices[parallel_device_index],
7409 sizeof(parallel_devices[0]), optarg);
7410 parallel_device_index++;
7411 break;
7412 case QEMU_OPTION_loadvm:
7413 loadvm = optarg;
7414 break;
7415 case QEMU_OPTION_full_screen:
7416 full_screen = 1;
7417 break;
7418 #ifdef CONFIG_SDL
7419 case QEMU_OPTION_no_frame:
7420 no_frame = 1;
7421 break;
7422 case QEMU_OPTION_no_quit:
7423 no_quit = 1;
7424 break;
7425 #endif
7426 case QEMU_OPTION_pidfile:
7427 pid_file = optarg;
7428 break;
7429 #ifdef TARGET_I386
7430 case QEMU_OPTION_win2k_hack:
7431 win2k_install_hack = 1;
7432 break;
7433 #endif
7434 #ifdef USE_KQEMU
7435 case QEMU_OPTION_no_kqemu:
7436 kqemu_allowed = 0;
7437 break;
7438 case QEMU_OPTION_kernel_kqemu:
7439 kqemu_allowed = 2;
7440 break;
7441 #endif
7442 case QEMU_OPTION_usb:
7443 usb_enabled = 1;
7444 break;
7445 case QEMU_OPTION_usbdevice:
7446 usb_enabled = 1;
7447 if (usb_devices_index >= MAX_USB_CMDLINE) {
7448 fprintf(stderr, "Too many USB devices\n");
7449 exit(1);
7450 }
7451 pstrcpy(usb_devices[usb_devices_index],
7452 sizeof(usb_devices[usb_devices_index]),
7453 optarg);
7454 usb_devices_index++;
7455 break;
7456 case QEMU_OPTION_smp:
7457 smp_cpus = atoi(optarg);
7458 if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
7459 fprintf(stderr, "Invalid number of CPUs\n");
7460 exit(1);
7461 }
7462 break;
7463 case QEMU_OPTION_vnc:
7464 vnc_display = optarg;
7465 break;
7466 case QEMU_OPTION_no_acpi:
7467 acpi_enabled = 0;
7468 break;
7469 case QEMU_OPTION_no_reboot:
7470 no_reboot = 1;
7471 break;
7472 case QEMU_OPTION_show_cursor:
7473 cursor_hide = 0;
7474 break;
7475 case QEMU_OPTION_daemonize:
7476 daemonize = 1;
7477 break;
7478 case QEMU_OPTION_option_rom:
7479 if (nb_option_roms >= MAX_OPTION_ROMS) {
7480 fprintf(stderr, "Too many option ROMs\n");
7481 exit(1);
7482 }
7483 option_rom[nb_option_roms] = optarg;
7484 nb_option_roms++;
7485 break;
7486 case QEMU_OPTION_semihosting:
7487 semihosting_enabled = 1;
7488 break;
7489 case QEMU_OPTION_name:
7490 qemu_name = optarg;
7491 break;
7492 #ifdef TARGET_SPARC
7493 case QEMU_OPTION_prom_env:
7494 if (nb_prom_envs >= MAX_PROM_ENVS) {
7495 fprintf(stderr, "Too many prom variables\n");
7496 exit(1);
7497 }
7498 prom_envs[nb_prom_envs] = optarg;
7499 nb_prom_envs++;
7500 break;
7501 #endif
7502 }
7503 }
7504 }
7505
7506 #ifndef _WIN32
7507 if (daemonize && !nographic && vnc_display == NULL) {
7508 fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
7509 daemonize = 0;
7510 }
7511
7512 if (daemonize) {
7513 pid_t pid;
7514
7515 if (pipe(fds) == -1)
7516 exit(1);
7517
7518 pid = fork();
7519 if (pid > 0) {
7520 uint8_t status;
7521 ssize_t len;
7522
7523 close(fds[1]);
7524
7525 again:
7526 len = read(fds[0], &status, 1);
7527 if (len == -1 && (errno == EINTR))
7528 goto again;
7529
7530 if (len != 1)
7531 exit(1);
7532 else if (status == 1) {
7533 fprintf(stderr, "Could not acquire pidfile\n");
7534 exit(1);
7535 } else
7536 exit(0);
7537 } else if (pid < 0)
7538 exit(1);
7539
7540 setsid();
7541
7542 pid = fork();
7543 if (pid > 0)
7544 exit(0);
7545 else if (pid < 0)
7546 exit(1);
7547
7548 umask(027);
7549 chdir("/");
7550
7551 signal(SIGTSTP, SIG_IGN);
7552 signal(SIGTTOU, SIG_IGN);
7553 signal(SIGTTIN, SIG_IGN);
7554 }
7555 #endif
7556
7557 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
7558 if (daemonize) {
7559 uint8_t status = 1;
7560 write(fds[1], &status, 1);
7561 } else
7562 fprintf(stderr, "Could not acquire pid file\n");
7563 exit(1);
7564 }
7565
7566 #ifdef USE_KQEMU
7567 if (smp_cpus > 1)
7568 kqemu_allowed = 0;
7569 #endif
7570 linux_boot = (kernel_filename != NULL);
7571
7572 if (!linux_boot &&
7573 boot_device != 'n' &&
7574 hd_filename[0] == '\0' &&
7575 (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
7576 fd_filename[0] == '\0')
7577 help();
7578
7579 /* boot to floppy or the default cd if no hard disk defined yet */
7580 if (hd_filename[0] == '\0' && boot_device == 'c') {
7581 if (fd_filename[0] != '\0')
7582 boot_device = 'a';
7583 else
7584 boot_device = 'd';
7585 }
7586
7587 setvbuf(stdout, NULL, _IOLBF, 0);
7588
7589 init_timers();
7590 init_timer_alarm();
7591 qemu_aio_init();
7592
7593 #ifdef _WIN32
7594 socket_init();
7595 #endif
7596
7597 /* init network clients */
7598 if (nb_net_clients == 0) {
7599 /* if no clients, we use a default config */
7600 pstrcpy(net_clients[0], sizeof(net_clients[0]),
7601 "nic");
7602 pstrcpy(net_clients[1], sizeof(net_clients[0]),
7603 "user");
7604 nb_net_clients = 2;
7605 }
7606
7607 for(i = 0;i < nb_net_clients; i++) {
7608 if (net_client_init(net_clients[i]) < 0)
7609 exit(1);
7610 }
7611
7612 #ifdef TARGET_I386
7613 if (boot_device == 'n') {
7614 for (i = 0; i < nb_nics; i++) {
7615 const char *model = nd_table[i].model;
7616 char buf[1024];
7617 if (model == NULL)
7618 model = "ne2k_pci";
7619 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
7620 if (get_image_size(buf) > 0) {
7621 option_rom[nb_option_roms] = strdup(buf);
7622 nb_option_roms++;
7623 break;
7624 }
7625 }
7626 if (i == nb_nics) {
7627 fprintf(stderr, "No valid PXE rom found for network device\n");
7628 exit(1);
7629 }
7630 boot_device = 'c'; /* to prevent confusion by the BIOS */
7631 }
7632 #endif
7633
7634 /* init the memory */
7635 phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE;
7636
7637 phys_ram_base = qemu_vmalloc(phys_ram_size);
7638 if (!phys_ram_base) {
7639 fprintf(stderr, "Could not allocate physical memory\n");
7640 exit(1);
7641 }
7642
7643 /* we always create the cdrom drive, even if no disk is there */
7644 bdrv_init();
7645 if (cdrom_index >= 0) {
7646 bs_table[cdrom_index] = bdrv_new("cdrom");
7647 bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
7648 }
7649
7650 /* open the virtual block devices */
7651 for(i = 0; i < MAX_DISKS; i++) {
7652 if (hd_filename[i]) {
7653 if (!bs_table[i]) {
7654 char buf[64];
7655 snprintf(buf, sizeof(buf), "hd%c", i + 'a');
7656 bs_table[i] = bdrv_new(buf);
7657 }
7658 if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7659 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
7660 hd_filename[i]);
7661 exit(1);
7662 }
7663 if (i == 0 && cyls != 0) {
7664 bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
7665 bdrv_set_translation_hint(bs_table[i], translation);
7666 }
7667 }
7668 }
7669
7670 /* we always create at least one floppy disk */
7671 fd_table[0] = bdrv_new("fda");
7672 bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
7673
7674 for(i = 0; i < MAX_FD; i++) {
7675 if (fd_filename[i]) {
7676 if (!fd_table[i]) {
7677 char buf[64];
7678 snprintf(buf, sizeof(buf), "fd%c", i + 'a');
7679 fd_table[i] = bdrv_new(buf);
7680 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
7681 }
7682 if (fd_filename[i][0] != '\0') {
7683 if (bdrv_open(fd_table[i], fd_filename[i],
7684 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7685 fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
7686 fd_filename[i]);
7687 exit(1);
7688 }
7689 }
7690 }
7691 }
7692
7693 /* Open the virtual parallel flash block devices */
7694 for(i = 0; i < MAX_PFLASH; i++) {
7695 if (pflash_filename[i]) {
7696 if (!pflash_table[i]) {
7697 char buf[64];
7698 snprintf(buf, sizeof(buf), "fl%c", i + 'a');
7699 pflash_table[i] = bdrv_new(buf);
7700 }
7701 if (bdrv_open(pflash_table[i], pflash_filename[i],
7702 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7703 fprintf(stderr, "qemu: could not open flash image '%s'\n",
7704 pflash_filename[i]);
7705 exit(1);
7706 }
7707 }
7708 }
7709
7710 sd_bdrv = bdrv_new ("sd");
7711 /* FIXME: This isn't really a floppy, but it's a reasonable
7712 approximation. */
7713 bdrv_set_type_hint(sd_bdrv, BDRV_TYPE_FLOPPY);
7714 if (sd_filename) {
7715 if (bdrv_open(sd_bdrv, sd_filename,
7716 snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
7717 fprintf(stderr, "qemu: could not open SD card image %s\n",
7718 sd_filename);
7719 } else
7720 qemu_key_check(sd_bdrv, sd_filename);
7721 }
7722
7723 if (mtd_filename) {
7724 mtd_bdrv = bdrv_new ("mtd");
7725 if (bdrv_open(mtd_bdrv, mtd_filename,
7726 snapshot ? BDRV_O_SNAPSHOT : 0) < 0 ||
7727 qemu_key_check(mtd_bdrv, mtd_filename)) {
7728 fprintf(stderr, "qemu: could not open Flash image %s\n",
7729 mtd_filename);
7730 bdrv_delete(mtd_bdrv);
7731 mtd_bdrv = 0;
7732 }
7733 }
7734
7735 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
7736 register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
7737
7738 init_ioports();
7739
7740 /* terminal init */
7741 if (nographic) {
7742 dumb_display_init(ds);
7743 } else if (vnc_display != NULL) {
7744 vnc_display_init(ds, vnc_display);
7745 } else {
7746 #if defined(CONFIG_SDL)
7747 sdl_display_init(ds, full_screen, no_frame);
7748 #elif defined(CONFIG_COCOA)
7749 cocoa_display_init(ds, full_screen);
7750 #else
7751 dumb_display_init(ds);
7752 #endif
7753 }
7754
7755 /* Maintain compatibility with multiple stdio monitors */
7756 if (!strcmp(monitor_device,"stdio")) {
7757 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
7758 if (!strcmp(serial_devices[i],"mon:stdio")) {
7759 monitor_device[0] = '\0';
7760 break;
7761 } else if (!strcmp(serial_devices[i],"stdio")) {
7762 monitor_device[0] = '\0';
7763 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio");
7764 break;
7765 }
7766 }
7767 }
7768 if (monitor_device[0] != '\0') {
7769 monitor_hd = qemu_chr_open(monitor_device);
7770 if (!monitor_hd) {
7771 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
7772 exit(1);
7773 }
7774 monitor_init(monitor_hd, !nographic);
7775 }
7776
7777 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
7778 const char *devname = serial_devices[i];
7779 if (devname[0] != '\0' && strcmp(devname, "none")) {
7780 serial_hds[i] = qemu_chr_open(devname);
7781 if (!serial_hds[i]) {
7782 fprintf(stderr, "qemu: could not open serial device '%s'\n",
7783 devname);
7784 exit(1);
7785 }
7786 if (!strcmp(devname, "vc"))
7787 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
7788 }
7789 }
7790
7791 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
7792 const char *devname = parallel_devices[i];
7793 if (devname[0] != '\0' && strcmp(devname, "none")) {
7794 parallel_hds[i] = qemu_chr_open(devname);
7795 if (!parallel_hds[i]) {
7796 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
7797 devname);
7798 exit(1);
7799 }
7800 if (!strcmp(devname, "vc"))
7801 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
7802 }
7803 }
7804
7805 machine->init(ram_size, vga_ram_size, boot_device,
7806 ds, fd_filename, snapshot,
7807 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
7808
7809 /* init USB devices */
7810 if (usb_enabled) {
7811 for(i = 0; i < usb_devices_index; i++) {
7812 if (usb_device_add(usb_devices[i]) < 0) {
7813 fprintf(stderr, "Warning: could not add USB device %s\n",
7814 usb_devices[i]);
7815 }
7816 }
7817 }
7818
7819 gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
7820 qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
7821
7822 #ifdef CONFIG_GDBSTUB
7823 if (use_gdbstub) {
7824 /* XXX: use standard host:port notation and modify options
7825 accordingly. */
7826 if (gdbserver_start(gdbstub_port) < 0) {
7827 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
7828 gdbstub_port);
7829 exit(1);
7830 }
7831 } else
7832 #endif
7833 if (loadvm)
7834 do_loadvm(loadvm);
7835
7836 {
7837 /* XXX: simplify init */
7838 read_passwords();
7839 if (autostart) {
7840 vm_start();
7841 }
7842 }
7843
7844 if (daemonize) {
7845 uint8_t status = 0;
7846 ssize_t len;
7847 int fd;
7848
7849 again1:
7850 len = write(fds[1], &status, 1);
7851 if (len == -1 && (errno == EINTR))
7852 goto again1;
7853
7854 if (len != 1)
7855 exit(1);
7856
7857 fd = open("/dev/null", O_RDWR);
7858 if (fd == -1)
7859 exit(1);
7860
7861 dup2(fd, 0);
7862 dup2(fd, 1);
7863 dup2(fd, 2);
7864
7865 close(fd);
7866 }
7867
7868 main_loop();
7869 quit_timers();
7870 return 0;
7871 }
Stable branch of Qemu 0.9.1