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1 | /* | |
2 | * QEMU System Emulator | |
3 | * | |
4 | * Copyright (c) 2003-2008 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 "hw/hw.h" | |
25 | #include "hw/boards.h" | |
26 | #include "hw/usb.h" | |
27 | #include "hw/pcmcia.h" | |
28 | #include "hw/pc.h" | |
29 | #include "hw/audiodev.h" | |
30 | #include "hw/isa.h" | |
31 | #include "hw/baum.h" | |
32 | #include "hw/bt.h" | |
33 | #include "net.h" | |
34 | #include "console.h" | |
35 | #include "sysemu.h" | |
36 | #include "gdbstub.h" | |
37 | #include "qemu-timer.h" | |
38 | #include "qemu-char.h" | |
39 | #include "block.h" | |
40 | #include "audio/audio.h" | |
41 | #include "migration.h" | |
42 | ||
43 | #include <unistd.h> | |
44 | #include <fcntl.h> | |
45 | #include <signal.h> | |
46 | #include <time.h> | |
47 | #include <errno.h> | |
48 | #include <sys/time.h> | |
49 | #include <zlib.h> | |
50 | ||
51 | #ifndef _WIN32 | |
52 | #include <sys/times.h> | |
53 | #include <sys/wait.h> | |
54 | #include <termios.h> | |
55 | #include <sys/mman.h> | |
56 | #include <sys/ioctl.h> | |
57 | #include <sys/socket.h> | |
58 | #include <netinet/in.h> | |
59 | #include <dirent.h> | |
60 | #include <netdb.h> | |
61 | #include <sys/select.h> | |
62 | #include <arpa/inet.h> | |
63 | #ifdef _BSD | |
64 | #include <sys/stat.h> | |
65 | #if !defined(__APPLE__) && !defined(__OpenBSD__) | |
66 | #include <libutil.h> | |
67 | #endif | |
68 | #ifdef __OpenBSD__ | |
69 | #include <net/if.h> | |
70 | #endif | |
71 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
72 | #include <freebsd/stdlib.h> | |
73 | #else | |
74 | #ifdef __linux__ | |
75 | #include <linux/if.h> | |
76 | #include <linux/if_tun.h> | |
77 | #include <pty.h> | |
78 | #include <malloc.h> | |
79 | #include <linux/rtc.h> | |
80 | ||
81 | /* For the benefit of older linux systems which don't supply it, | |
82 | we use a local copy of hpet.h. */ | |
83 | /* #include <linux/hpet.h> */ | |
84 | #include "hpet.h" | |
85 | ||
86 | #include <linux/ppdev.h> | |
87 | #include <linux/parport.h> | |
88 | #endif | |
89 | #ifdef __sun__ | |
90 | #include <sys/stat.h> | |
91 | #include <sys/ethernet.h> | |
92 | #include <sys/sockio.h> | |
93 | #include <netinet/arp.h> | |
94 | #include <netinet/in.h> | |
95 | #include <netinet/in_systm.h> | |
96 | #include <netinet/ip.h> | |
97 | #include <netinet/ip_icmp.h> // must come after ip.h | |
98 | #include <netinet/udp.h> | |
99 | #include <netinet/tcp.h> | |
100 | #include <net/if.h> | |
101 | #include <syslog.h> | |
102 | #include <stropts.h> | |
103 | #endif | |
104 | #endif | |
105 | #endif | |
106 | ||
107 | #include "qemu_socket.h" | |
108 | ||
109 | #if defined(CONFIG_SLIRP) | |
110 | #include "libslirp.h" | |
111 | #endif | |
112 | ||
113 | #if defined(__OpenBSD__) | |
114 | #include <util.h> | |
115 | #endif | |
116 | ||
117 | #if defined(CONFIG_VDE) | |
118 | #include <libvdeplug.h> | |
119 | #endif | |
120 | ||
121 | #ifdef _WIN32 | |
122 | #include <malloc.h> | |
123 | #include <sys/timeb.h> | |
124 | #include <mmsystem.h> | |
125 | #define getopt_long_only getopt_long | |
126 | #define memalign(align, size) malloc(size) | |
127 | #endif | |
128 | ||
129 | #ifdef CONFIG_SDL | |
130 | #ifdef __APPLE__ | |
131 | #include <SDL/SDL.h> | |
132 | #endif | |
133 | #endif /* CONFIG_SDL */ | |
134 | ||
135 | #ifdef CONFIG_COCOA | |
136 | #undef main | |
137 | #define main qemu_main | |
138 | #endif /* CONFIG_COCOA */ | |
139 | ||
140 | #include "disas.h" | |
141 | ||
142 | #include "exec-all.h" | |
143 | ||
144 | #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" | |
145 | #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" | |
146 | #ifdef __sun__ | |
147 | #define SMBD_COMMAND "/usr/sfw/sbin/smbd" | |
148 | #else | |
149 | #define SMBD_COMMAND "/usr/sbin/smbd" | |
150 | #endif | |
151 | ||
152 | //#define DEBUG_UNUSED_IOPORT | |
153 | //#define DEBUG_IOPORT | |
154 | //#define DEBUG_NET | |
155 | //#define DEBUG_SLIRP | |
156 | ||
157 | #ifdef TARGET_PPC | |
158 | #define DEFAULT_RAM_SIZE 144 | |
159 | #else | |
160 | #define DEFAULT_RAM_SIZE 128 | |
161 | #endif | |
162 | ||
163 | /* Max number of USB devices that can be specified on the commandline. */ | |
164 | #define MAX_USB_CMDLINE 8 | |
165 | ||
166 | /* XXX: use a two level table to limit memory usage */ | |
167 | #define MAX_IOPORTS 65536 | |
168 | ||
169 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
170 | const char *bios_name = NULL; | |
171 | static void *ioport_opaque[MAX_IOPORTS]; | |
172 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
173 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
174 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available | |
175 | to store the VM snapshots */ | |
176 | DriveInfo drives_table[MAX_DRIVES+1]; | |
177 | int nb_drives; | |
178 | /* point to the block driver where the snapshots are managed */ | |
179 | static BlockDriverState *bs_snapshots; | |
180 | static int vga_ram_size; | |
181 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; | |
182 | DisplayState display_state; | |
183 | int nographic; | |
184 | static int curses; | |
185 | const char* keyboard_layout = NULL; | |
186 | int64_t ticks_per_sec; | |
187 | ram_addr_t ram_size; | |
188 | int nb_nics; | |
189 | NICInfo nd_table[MAX_NICS]; | |
190 | int vm_running; | |
191 | static int rtc_utc = 1; | |
192 | static int rtc_date_offset = -1; /* -1 means no change */ | |
193 | int cirrus_vga_enabled = 1; | |
194 | int vmsvga_enabled = 0; | |
195 | #ifdef TARGET_SPARC | |
196 | int graphic_width = 1024; | |
197 | int graphic_height = 768; | |
198 | int graphic_depth = 8; | |
199 | #else | |
200 | int graphic_width = 800; | |
201 | int graphic_height = 600; | |
202 | int graphic_depth = 15; | |
203 | #endif | |
204 | static int full_screen = 0; | |
205 | static int no_frame = 0; | |
206 | int no_quit = 0; | |
207 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
208 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
209 | #ifdef TARGET_I386 | |
210 | int win2k_install_hack = 0; | |
211 | #endif | |
212 | int usb_enabled = 0; | |
213 | int smp_cpus = 1; | |
214 | const char *vnc_display; | |
215 | int acpi_enabled = 1; | |
216 | int fd_bootchk = 1; | |
217 | int no_reboot = 0; | |
218 | int no_shutdown = 0; | |
219 | int cursor_hide = 1; | |
220 | int graphic_rotate = 0; | |
221 | int daemonize = 0; | |
222 | const char *option_rom[MAX_OPTION_ROMS]; | |
223 | int nb_option_roms; | |
224 | int semihosting_enabled = 0; | |
225 | #ifdef TARGET_ARM | |
226 | int old_param = 0; | |
227 | #endif | |
228 | const char *qemu_name; | |
229 | int alt_grab = 0; | |
230 | #ifdef TARGET_SPARC | |
231 | unsigned int nb_prom_envs = 0; | |
232 | const char *prom_envs[MAX_PROM_ENVS]; | |
233 | #endif | |
234 | static int nb_drives_opt; | |
235 | static struct drive_opt { | |
236 | const char *file; | |
237 | char opt[1024]; | |
238 | } drives_opt[MAX_DRIVES]; | |
239 | ||
240 | static CPUState *cur_cpu; | |
241 | static CPUState *next_cpu; | |
242 | static int event_pending = 1; | |
243 | /* Conversion factor from emulated instructions to virtual clock ticks. */ | |
244 | static int icount_time_shift; | |
245 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ | |
246 | #define MAX_ICOUNT_SHIFT 10 | |
247 | /* Compensate for varying guest execution speed. */ | |
248 | static int64_t qemu_icount_bias; | |
249 | static QEMUTimer *icount_rt_timer; | |
250 | static QEMUTimer *icount_vm_timer; | |
251 | ||
252 | uint8_t qemu_uuid[16]; | |
253 | ||
254 | /***********************************************************/ | |
255 | /* x86 ISA bus support */ | |
256 | ||
257 | target_phys_addr_t isa_mem_base = 0; | |
258 | PicState2 *isa_pic; | |
259 | ||
260 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; | |
261 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; | |
262 | ||
263 | static uint32_t ioport_read(int index, uint32_t address) | |
264 | { | |
265 | static IOPortReadFunc *default_func[3] = { | |
266 | default_ioport_readb, | |
267 | default_ioport_readw, | |
268 | default_ioport_readl | |
269 | }; | |
270 | IOPortReadFunc *func = ioport_read_table[index][address]; | |
271 | if (!func) | |
272 | func = default_func[index]; | |
273 | return func(ioport_opaque[address], address); | |
274 | } | |
275 | ||
276 | static void ioport_write(int index, uint32_t address, uint32_t data) | |
277 | { | |
278 | static IOPortWriteFunc *default_func[3] = { | |
279 | default_ioport_writeb, | |
280 | default_ioport_writew, | |
281 | default_ioport_writel | |
282 | }; | |
283 | IOPortWriteFunc *func = ioport_write_table[index][address]; | |
284 | if (!func) | |
285 | func = default_func[index]; | |
286 | func(ioport_opaque[address], address, data); | |
287 | } | |
288 | ||
289 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
290 | { | |
291 | #ifdef DEBUG_UNUSED_IOPORT | |
292 | fprintf(stderr, "unused inb: port=0x%04x\n", address); | |
293 | #endif | |
294 | return 0xff; | |
295 | } | |
296 | ||
297 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
298 | { | |
299 | #ifdef DEBUG_UNUSED_IOPORT | |
300 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); | |
301 | #endif | |
302 | } | |
303 | ||
304 | /* default is to make two byte accesses */ | |
305 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
306 | { | |
307 | uint32_t data; | |
308 | data = ioport_read(0, address); | |
309 | address = (address + 1) & (MAX_IOPORTS - 1); | |
310 | data |= ioport_read(0, address) << 8; | |
311 | return data; | |
312 | } | |
313 | ||
314 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
315 | { | |
316 | ioport_write(0, address, data & 0xff); | |
317 | address = (address + 1) & (MAX_IOPORTS - 1); | |
318 | ioport_write(0, address, (data >> 8) & 0xff); | |
319 | } | |
320 | ||
321 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
322 | { | |
323 | #ifdef DEBUG_UNUSED_IOPORT | |
324 | fprintf(stderr, "unused inl: port=0x%04x\n", address); | |
325 | #endif | |
326 | return 0xffffffff; | |
327 | } | |
328 | ||
329 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
330 | { | |
331 | #ifdef DEBUG_UNUSED_IOPORT | |
332 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); | |
333 | #endif | |
334 | } | |
335 | ||
336 | /* size is the word size in byte */ | |
337 | int register_ioport_read(int start, int length, int size, | |
338 | IOPortReadFunc *func, void *opaque) | |
339 | { | |
340 | int i, bsize; | |
341 | ||
342 | if (size == 1) { | |
343 | bsize = 0; | |
344 | } else if (size == 2) { | |
345 | bsize = 1; | |
346 | } else if (size == 4) { | |
347 | bsize = 2; | |
348 | } else { | |
349 | hw_error("register_ioport_read: invalid size"); | |
350 | return -1; | |
351 | } | |
352 | for(i = start; i < start + length; i += size) { | |
353 | ioport_read_table[bsize][i] = func; | |
354 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
355 | hw_error("register_ioport_read: invalid opaque"); | |
356 | ioport_opaque[i] = opaque; | |
357 | } | |
358 | return 0; | |
359 | } | |
360 | ||
361 | /* size is the word size in byte */ | |
362 | int register_ioport_write(int start, int length, int size, | |
363 | IOPortWriteFunc *func, void *opaque) | |
364 | { | |
365 | int i, bsize; | |
366 | ||
367 | if (size == 1) { | |
368 | bsize = 0; | |
369 | } else if (size == 2) { | |
370 | bsize = 1; | |
371 | } else if (size == 4) { | |
372 | bsize = 2; | |
373 | } else { | |
374 | hw_error("register_ioport_write: invalid size"); | |
375 | return -1; | |
376 | } | |
377 | for(i = start; i < start + length; i += size) { | |
378 | ioport_write_table[bsize][i] = func; | |
379 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
380 | hw_error("register_ioport_write: invalid opaque"); | |
381 | ioport_opaque[i] = opaque; | |
382 | } | |
383 | return 0; | |
384 | } | |
385 | ||
386 | void isa_unassign_ioport(int start, int length) | |
387 | { | |
388 | int i; | |
389 | ||
390 | for(i = start; i < start + length; i++) { | |
391 | ioport_read_table[0][i] = default_ioport_readb; | |
392 | ioport_read_table[1][i] = default_ioport_readw; | |
393 | ioport_read_table[2][i] = default_ioport_readl; | |
394 | ||
395 | ioport_write_table[0][i] = default_ioport_writeb; | |
396 | ioport_write_table[1][i] = default_ioport_writew; | |
397 | ioport_write_table[2][i] = default_ioport_writel; | |
398 | } | |
399 | } | |
400 | ||
401 | /***********************************************************/ | |
402 | ||
403 | void cpu_outb(CPUState *env, int addr, int val) | |
404 | { | |
405 | #ifdef DEBUG_IOPORT | |
406 | if (loglevel & CPU_LOG_IOPORT) | |
407 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
408 | #endif | |
409 | ioport_write(0, addr, val); | |
410 | #ifdef USE_KQEMU | |
411 | if (env) | |
412 | env->last_io_time = cpu_get_time_fast(); | |
413 | #endif | |
414 | } | |
415 | ||
416 | void cpu_outw(CPUState *env, int addr, int val) | |
417 | { | |
418 | #ifdef DEBUG_IOPORT | |
419 | if (loglevel & CPU_LOG_IOPORT) | |
420 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
421 | #endif | |
422 | ioport_write(1, addr, val); | |
423 | #ifdef USE_KQEMU | |
424 | if (env) | |
425 | env->last_io_time = cpu_get_time_fast(); | |
426 | #endif | |
427 | } | |
428 | ||
429 | void cpu_outl(CPUState *env, int addr, int val) | |
430 | { | |
431 | #ifdef DEBUG_IOPORT | |
432 | if (loglevel & CPU_LOG_IOPORT) | |
433 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
434 | #endif | |
435 | ioport_write(2, addr, val); | |
436 | #ifdef USE_KQEMU | |
437 | if (env) | |
438 | env->last_io_time = cpu_get_time_fast(); | |
439 | #endif | |
440 | } | |
441 | ||
442 | int cpu_inb(CPUState *env, int addr) | |
443 | { | |
444 | int val; | |
445 | val = ioport_read(0, addr); | |
446 | #ifdef DEBUG_IOPORT | |
447 | if (loglevel & CPU_LOG_IOPORT) | |
448 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
449 | #endif | |
450 | #ifdef USE_KQEMU | |
451 | if (env) | |
452 | env->last_io_time = cpu_get_time_fast(); | |
453 | #endif | |
454 | return val; | |
455 | } | |
456 | ||
457 | int cpu_inw(CPUState *env, int addr) | |
458 | { | |
459 | int val; | |
460 | val = ioport_read(1, addr); | |
461 | #ifdef DEBUG_IOPORT | |
462 | if (loglevel & CPU_LOG_IOPORT) | |
463 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
464 | #endif | |
465 | #ifdef USE_KQEMU | |
466 | if (env) | |
467 | env->last_io_time = cpu_get_time_fast(); | |
468 | #endif | |
469 | return val; | |
470 | } | |
471 | ||
472 | int cpu_inl(CPUState *env, int addr) | |
473 | { | |
474 | int val; | |
475 | val = ioport_read(2, addr); | |
476 | #ifdef DEBUG_IOPORT | |
477 | if (loglevel & CPU_LOG_IOPORT) | |
478 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
479 | #endif | |
480 | #ifdef USE_KQEMU | |
481 | if (env) | |
482 | env->last_io_time = cpu_get_time_fast(); | |
483 | #endif | |
484 | return val; | |
485 | } | |
486 | ||
487 | /***********************************************************/ | |
488 | void hw_error(const char *fmt, ...) | |
489 | { | |
490 | va_list ap; | |
491 | CPUState *env; | |
492 | ||
493 | va_start(ap, fmt); | |
494 | fprintf(stderr, "qemu: hardware error: "); | |
495 | vfprintf(stderr, fmt, ap); | |
496 | fprintf(stderr, "\n"); | |
497 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
498 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
499 | #ifdef TARGET_I386 | |
500 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
501 | #else | |
502 | cpu_dump_state(env, stderr, fprintf, 0); | |
503 | #endif | |
504 | } | |
505 | va_end(ap); | |
506 | abort(); | |
507 | } | |
508 | ||
509 | /***********************************************************/ | |
510 | /* keyboard/mouse */ | |
511 | ||
512 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
513 | static void *qemu_put_kbd_event_opaque; | |
514 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
515 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
516 | ||
517 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
518 | { | |
519 | qemu_put_kbd_event_opaque = opaque; | |
520 | qemu_put_kbd_event = func; | |
521 | } | |
522 | ||
523 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
524 | void *opaque, int absolute, | |
525 | const char *name) | |
526 | { | |
527 | QEMUPutMouseEntry *s, *cursor; | |
528 | ||
529 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
530 | if (!s) | |
531 | return NULL; | |
532 | ||
533 | s->qemu_put_mouse_event = func; | |
534 | s->qemu_put_mouse_event_opaque = opaque; | |
535 | s->qemu_put_mouse_event_absolute = absolute; | |
536 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
537 | s->next = NULL; | |
538 | ||
539 | if (!qemu_put_mouse_event_head) { | |
540 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
541 | return s; | |
542 | } | |
543 | ||
544 | cursor = qemu_put_mouse_event_head; | |
545 | while (cursor->next != NULL) | |
546 | cursor = cursor->next; | |
547 | ||
548 | cursor->next = s; | |
549 | qemu_put_mouse_event_current = s; | |
550 | ||
551 | return s; | |
552 | } | |
553 | ||
554 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
555 | { | |
556 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
557 | ||
558 | if (!qemu_put_mouse_event_head || entry == NULL) | |
559 | return; | |
560 | ||
561 | cursor = qemu_put_mouse_event_head; | |
562 | while (cursor != NULL && cursor != entry) { | |
563 | prev = cursor; | |
564 | cursor = cursor->next; | |
565 | } | |
566 | ||
567 | if (cursor == NULL) // does not exist or list empty | |
568 | return; | |
569 | else if (prev == NULL) { // entry is head | |
570 | qemu_put_mouse_event_head = cursor->next; | |
571 | if (qemu_put_mouse_event_current == entry) | |
572 | qemu_put_mouse_event_current = cursor->next; | |
573 | qemu_free(entry->qemu_put_mouse_event_name); | |
574 | qemu_free(entry); | |
575 | return; | |
576 | } | |
577 | ||
578 | prev->next = entry->next; | |
579 | ||
580 | if (qemu_put_mouse_event_current == entry) | |
581 | qemu_put_mouse_event_current = prev; | |
582 | ||
583 | qemu_free(entry->qemu_put_mouse_event_name); | |
584 | qemu_free(entry); | |
585 | } | |
586 | ||
587 | void kbd_put_keycode(int keycode) | |
588 | { | |
589 | if (qemu_put_kbd_event) { | |
590 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
591 | } | |
592 | } | |
593 | ||
594 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
595 | { | |
596 | QEMUPutMouseEvent *mouse_event; | |
597 | void *mouse_event_opaque; | |
598 | int width; | |
599 | ||
600 | if (!qemu_put_mouse_event_current) { | |
601 | return; | |
602 | } | |
603 | ||
604 | mouse_event = | |
605 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
606 | mouse_event_opaque = | |
607 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
608 | ||
609 | if (mouse_event) { | |
610 | if (graphic_rotate) { | |
611 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
612 | width = 0x7fff; | |
613 | else | |
614 | width = graphic_width - 1; | |
615 | mouse_event(mouse_event_opaque, | |
616 | width - dy, dx, dz, buttons_state); | |
617 | } else | |
618 | mouse_event(mouse_event_opaque, | |
619 | dx, dy, dz, buttons_state); | |
620 | } | |
621 | } | |
622 | ||
623 | int kbd_mouse_is_absolute(void) | |
624 | { | |
625 | if (!qemu_put_mouse_event_current) | |
626 | return 0; | |
627 | ||
628 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
629 | } | |
630 | ||
631 | void do_info_mice(void) | |
632 | { | |
633 | QEMUPutMouseEntry *cursor; | |
634 | int index = 0; | |
635 | ||
636 | if (!qemu_put_mouse_event_head) { | |
637 | term_printf("No mouse devices connected\n"); | |
638 | return; | |
639 | } | |
640 | ||
641 | term_printf("Mouse devices available:\n"); | |
642 | cursor = qemu_put_mouse_event_head; | |
643 | while (cursor != NULL) { | |
644 | term_printf("%c Mouse #%d: %s\n", | |
645 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
646 | index, cursor->qemu_put_mouse_event_name); | |
647 | index++; | |
648 | cursor = cursor->next; | |
649 | } | |
650 | } | |
651 | ||
652 | void do_mouse_set(int index) | |
653 | { | |
654 | QEMUPutMouseEntry *cursor; | |
655 | int i = 0; | |
656 | ||
657 | if (!qemu_put_mouse_event_head) { | |
658 | term_printf("No mouse devices connected\n"); | |
659 | return; | |
660 | } | |
661 | ||
662 | cursor = qemu_put_mouse_event_head; | |
663 | while (cursor != NULL && index != i) { | |
664 | i++; | |
665 | cursor = cursor->next; | |
666 | } | |
667 | ||
668 | if (cursor != NULL) | |
669 | qemu_put_mouse_event_current = cursor; | |
670 | else | |
671 | term_printf("Mouse at given index not found\n"); | |
672 | } | |
673 | ||
674 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
675 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
676 | { | |
677 | union { | |
678 | uint64_t ll; | |
679 | struct { | |
680 | #ifdef WORDS_BIGENDIAN | |
681 | uint32_t high, low; | |
682 | #else | |
683 | uint32_t low, high; | |
684 | #endif | |
685 | } l; | |
686 | } u, res; | |
687 | uint64_t rl, rh; | |
688 | ||
689 | u.ll = a; | |
690 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
691 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
692 | rh += (rl >> 32); | |
693 | res.l.high = rh / c; | |
694 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
695 | return res.ll; | |
696 | } | |
697 | ||
698 | /***********************************************************/ | |
699 | /* real time host monotonic timer */ | |
700 | ||
701 | #define QEMU_TIMER_BASE 1000000000LL | |
702 | ||
703 | #ifdef WIN32 | |
704 | ||
705 | static int64_t clock_freq; | |
706 | ||
707 | static void init_get_clock(void) | |
708 | { | |
709 | LARGE_INTEGER freq; | |
710 | int ret; | |
711 | ret = QueryPerformanceFrequency(&freq); | |
712 | if (ret == 0) { | |
713 | fprintf(stderr, "Could not calibrate ticks\n"); | |
714 | exit(1); | |
715 | } | |
716 | clock_freq = freq.QuadPart; | |
717 | } | |
718 | ||
719 | static int64_t get_clock(void) | |
720 | { | |
721 | LARGE_INTEGER ti; | |
722 | QueryPerformanceCounter(&ti); | |
723 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
724 | } | |
725 | ||
726 | #else | |
727 | ||
728 | static int use_rt_clock; | |
729 | ||
730 | static void init_get_clock(void) | |
731 | { | |
732 | use_rt_clock = 0; | |
733 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
734 | { | |
735 | struct timespec ts; | |
736 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
737 | use_rt_clock = 1; | |
738 | } | |
739 | } | |
740 | #endif | |
741 | } | |
742 | ||
743 | static int64_t get_clock(void) | |
744 | { | |
745 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
746 | if (use_rt_clock) { | |
747 | struct timespec ts; | |
748 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
749 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
750 | } else | |
751 | #endif | |
752 | { | |
753 | /* XXX: using gettimeofday leads to problems if the date | |
754 | changes, so it should be avoided. */ | |
755 | struct timeval tv; | |
756 | gettimeofday(&tv, NULL); | |
757 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
758 | } | |
759 | } | |
760 | #endif | |
761 | ||
762 | /* Return the virtual CPU time, based on the instruction counter. */ | |
763 | static int64_t cpu_get_icount(void) | |
764 | { | |
765 | int64_t icount; | |
766 | CPUState *env = cpu_single_env;; | |
767 | icount = qemu_icount; | |
768 | if (env) { | |
769 | if (!can_do_io(env)) | |
770 | fprintf(stderr, "Bad clock read\n"); | |
771 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
772 | } | |
773 | return qemu_icount_bias + (icount << icount_time_shift); | |
774 | } | |
775 | ||
776 | /***********************************************************/ | |
777 | /* guest cycle counter */ | |
778 | ||
779 | static int64_t cpu_ticks_prev; | |
780 | static int64_t cpu_ticks_offset; | |
781 | static int64_t cpu_clock_offset; | |
782 | static int cpu_ticks_enabled; | |
783 | ||
784 | /* return the host CPU cycle counter and handle stop/restart */ | |
785 | int64_t cpu_get_ticks(void) | |
786 | { | |
787 | if (use_icount) { | |
788 | return cpu_get_icount(); | |
789 | } | |
790 | if (!cpu_ticks_enabled) { | |
791 | return cpu_ticks_offset; | |
792 | } else { | |
793 | int64_t ticks; | |
794 | ticks = cpu_get_real_ticks(); | |
795 | if (cpu_ticks_prev > ticks) { | |
796 | /* Note: non increasing ticks may happen if the host uses | |
797 | software suspend */ | |
798 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
799 | } | |
800 | cpu_ticks_prev = ticks; | |
801 | return ticks + cpu_ticks_offset; | |
802 | } | |
803 | } | |
804 | ||
805 | /* return the host CPU monotonic timer and handle stop/restart */ | |
806 | static int64_t cpu_get_clock(void) | |
807 | { | |
808 | int64_t ti; | |
809 | if (!cpu_ticks_enabled) { | |
810 | return cpu_clock_offset; | |
811 | } else { | |
812 | ti = get_clock(); | |
813 | return ti + cpu_clock_offset; | |
814 | } | |
815 | } | |
816 | ||
817 | /* enable cpu_get_ticks() */ | |
818 | void cpu_enable_ticks(void) | |
819 | { | |
820 | if (!cpu_ticks_enabled) { | |
821 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
822 | cpu_clock_offset -= get_clock(); | |
823 | cpu_ticks_enabled = 1; | |
824 | } | |
825 | } | |
826 | ||
827 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
828 | cpu_get_ticks() after that. */ | |
829 | void cpu_disable_ticks(void) | |
830 | { | |
831 | if (cpu_ticks_enabled) { | |
832 | cpu_ticks_offset = cpu_get_ticks(); | |
833 | cpu_clock_offset = cpu_get_clock(); | |
834 | cpu_ticks_enabled = 0; | |
835 | } | |
836 | } | |
837 | ||
838 | /***********************************************************/ | |
839 | /* timers */ | |
840 | ||
841 | #define QEMU_TIMER_REALTIME 0 | |
842 | #define QEMU_TIMER_VIRTUAL 1 | |
843 | ||
844 | struct QEMUClock { | |
845 | int type; | |
846 | /* XXX: add frequency */ | |
847 | }; | |
848 | ||
849 | struct QEMUTimer { | |
850 | QEMUClock *clock; | |
851 | int64_t expire_time; | |
852 | QEMUTimerCB *cb; | |
853 | void *opaque; | |
854 | struct QEMUTimer *next; | |
855 | }; | |
856 | ||
857 | struct qemu_alarm_timer { | |
858 | char const *name; | |
859 | unsigned int flags; | |
860 | ||
861 | int (*start)(struct qemu_alarm_timer *t); | |
862 | void (*stop)(struct qemu_alarm_timer *t); | |
863 | void (*rearm)(struct qemu_alarm_timer *t); | |
864 | void *priv; | |
865 | }; | |
866 | ||
867 | #define ALARM_FLAG_DYNTICKS 0x1 | |
868 | #define ALARM_FLAG_EXPIRED 0x2 | |
869 | ||
870 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
871 | { | |
872 | return t->flags & ALARM_FLAG_DYNTICKS; | |
873 | } | |
874 | ||
875 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
876 | { | |
877 | if (!alarm_has_dynticks(t)) | |
878 | return; | |
879 | ||
880 | t->rearm(t); | |
881 | } | |
882 | ||
883 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
884 | #define MIN_TIMER_REARM_US 250 | |
885 | ||
886 | static struct qemu_alarm_timer *alarm_timer; | |
887 | ||
888 | #ifdef _WIN32 | |
889 | ||
890 | struct qemu_alarm_win32 { | |
891 | MMRESULT timerId; | |
892 | HANDLE host_alarm; | |
893 | unsigned int period; | |
894 | } alarm_win32_data = {0, NULL, -1}; | |
895 | ||
896 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
897 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
898 | static void win32_rearm_timer(struct qemu_alarm_timer *t); | |
899 | ||
900 | #else | |
901 | ||
902 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
903 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
904 | ||
905 | #ifdef __linux__ | |
906 | ||
907 | static int dynticks_start_timer(struct qemu_alarm_timer *t); | |
908 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
909 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
910 | ||
911 | static int hpet_start_timer(struct qemu_alarm_timer *t); | |
912 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
913 | ||
914 | static int rtc_start_timer(struct qemu_alarm_timer *t); | |
915 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
916 | ||
917 | #endif /* __linux__ */ | |
918 | ||
919 | #endif /* _WIN32 */ | |
920 | ||
921 | /* Correlation between real and virtual time is always going to be | |
922 | fairly approximate, so ignore small variation. | |
923 | When the guest is idle real and virtual time will be aligned in | |
924 | the IO wait loop. */ | |
925 | #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) | |
926 | ||
927 | static void icount_adjust(void) | |
928 | { | |
929 | int64_t cur_time; | |
930 | int64_t cur_icount; | |
931 | int64_t delta; | |
932 | static int64_t last_delta; | |
933 | /* If the VM is not running, then do nothing. */ | |
934 | if (!vm_running) | |
935 | return; | |
936 | ||
937 | cur_time = cpu_get_clock(); | |
938 | cur_icount = qemu_get_clock(vm_clock); | |
939 | delta = cur_icount - cur_time; | |
940 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
941 | if (delta > 0 | |
942 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
943 | && icount_time_shift > 0) { | |
944 | /* The guest is getting too far ahead. Slow time down. */ | |
945 | icount_time_shift--; | |
946 | } | |
947 | if (delta < 0 | |
948 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
949 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
950 | /* The guest is getting too far behind. Speed time up. */ | |
951 | icount_time_shift++; | |
952 | } | |
953 | last_delta = delta; | |
954 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
955 | } | |
956 | ||
957 | static void icount_adjust_rt(void * opaque) | |
958 | { | |
959 | qemu_mod_timer(icount_rt_timer, | |
960 | qemu_get_clock(rt_clock) + 1000); | |
961 | icount_adjust(); | |
962 | } | |
963 | ||
964 | static void icount_adjust_vm(void * opaque) | |
965 | { | |
966 | qemu_mod_timer(icount_vm_timer, | |
967 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
968 | icount_adjust(); | |
969 | } | |
970 | ||
971 | static void init_icount_adjust(void) | |
972 | { | |
973 | /* Have both realtime and virtual time triggers for speed adjustment. | |
974 | The realtime trigger catches emulated time passing too slowly, | |
975 | the virtual time trigger catches emulated time passing too fast. | |
976 | Realtime triggers occur even when idle, so use them less frequently | |
977 | than VM triggers. */ | |
978 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
979 | qemu_mod_timer(icount_rt_timer, | |
980 | qemu_get_clock(rt_clock) + 1000); | |
981 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
982 | qemu_mod_timer(icount_vm_timer, | |
983 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
984 | } | |
985 | ||
986 | static struct qemu_alarm_timer alarm_timers[] = { | |
987 | #ifndef _WIN32 | |
988 | #ifdef __linux__ | |
989 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, | |
990 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
991 | /* HPET - if available - is preferred */ | |
992 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, | |
993 | /* ...otherwise try RTC */ | |
994 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, | |
995 | #endif | |
996 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, | |
997 | #else | |
998 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, | |
999 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
1000 | {"win32", 0, win32_start_timer, | |
1001 | win32_stop_timer, NULL, &alarm_win32_data}, | |
1002 | #endif | |
1003 | {NULL, } | |
1004 | }; | |
1005 | ||
1006 | static void show_available_alarms(void) | |
1007 | { | |
1008 | int i; | |
1009 | ||
1010 | printf("Available alarm timers, in order of precedence:\n"); | |
1011 | for (i = 0; alarm_timers[i].name; i++) | |
1012 | printf("%s\n", alarm_timers[i].name); | |
1013 | } | |
1014 | ||
1015 | static void configure_alarms(char const *opt) | |
1016 | { | |
1017 | int i; | |
1018 | int cur = 0; | |
1019 | int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; | |
1020 | char *arg; | |
1021 | char *name; | |
1022 | struct qemu_alarm_timer tmp; | |
1023 | ||
1024 | if (!strcmp(opt, "?")) { | |
1025 | show_available_alarms(); | |
1026 | exit(0); | |
1027 | } | |
1028 | ||
1029 | arg = strdup(opt); | |
1030 | ||
1031 | /* Reorder the array */ | |
1032 | name = strtok(arg, ","); | |
1033 | while (name) { | |
1034 | for (i = 0; i < count && alarm_timers[i].name; i++) { | |
1035 | if (!strcmp(alarm_timers[i].name, name)) | |
1036 | break; | |
1037 | } | |
1038 | ||
1039 | if (i == count) { | |
1040 | fprintf(stderr, "Unknown clock %s\n", name); | |
1041 | goto next; | |
1042 | } | |
1043 | ||
1044 | if (i < cur) | |
1045 | /* Ignore */ | |
1046 | goto next; | |
1047 | ||
1048 | /* Swap */ | |
1049 | tmp = alarm_timers[i]; | |
1050 | alarm_timers[i] = alarm_timers[cur]; | |
1051 | alarm_timers[cur] = tmp; | |
1052 | ||
1053 | cur++; | |
1054 | next: | |
1055 | name = strtok(NULL, ","); | |
1056 | } | |
1057 | ||
1058 | free(arg); | |
1059 | ||
1060 | if (cur) { | |
1061 | /* Disable remaining timers */ | |
1062 | for (i = cur; i < count; i++) | |
1063 | alarm_timers[i].name = NULL; | |
1064 | } else { | |
1065 | show_available_alarms(); | |
1066 | exit(1); | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | QEMUClock *rt_clock; | |
1071 | QEMUClock *vm_clock; | |
1072 | ||
1073 | static QEMUTimer *active_timers[2]; | |
1074 | ||
1075 | static QEMUClock *qemu_new_clock(int type) | |
1076 | { | |
1077 | QEMUClock *clock; | |
1078 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
1079 | if (!clock) | |
1080 | return NULL; | |
1081 | clock->type = type; | |
1082 | return clock; | |
1083 | } | |
1084 | ||
1085 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1086 | { | |
1087 | QEMUTimer *ts; | |
1088 | ||
1089 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1090 | ts->clock = clock; | |
1091 | ts->cb = cb; | |
1092 | ts->opaque = opaque; | |
1093 | return ts; | |
1094 | } | |
1095 | ||
1096 | void qemu_free_timer(QEMUTimer *ts) | |
1097 | { | |
1098 | qemu_free(ts); | |
1099 | } | |
1100 | ||
1101 | /* stop a timer, but do not dealloc it */ | |
1102 | void qemu_del_timer(QEMUTimer *ts) | |
1103 | { | |
1104 | QEMUTimer **pt, *t; | |
1105 | ||
1106 | /* NOTE: this code must be signal safe because | |
1107 | qemu_timer_expired() can be called from a signal. */ | |
1108 | pt = &active_timers[ts->clock->type]; | |
1109 | for(;;) { | |
1110 | t = *pt; | |
1111 | if (!t) | |
1112 | break; | |
1113 | if (t == ts) { | |
1114 | *pt = t->next; | |
1115 | break; | |
1116 | } | |
1117 | pt = &t->next; | |
1118 | } | |
1119 | } | |
1120 | ||
1121 | /* modify the current timer so that it will be fired when current_time | |
1122 | >= expire_time. The corresponding callback will be called. */ | |
1123 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1124 | { | |
1125 | QEMUTimer **pt, *t; | |
1126 | ||
1127 | qemu_del_timer(ts); | |
1128 | ||
1129 | /* add the timer in the sorted list */ | |
1130 | /* NOTE: this code must be signal safe because | |
1131 | qemu_timer_expired() can be called from a signal. */ | |
1132 | pt = &active_timers[ts->clock->type]; | |
1133 | for(;;) { | |
1134 | t = *pt; | |
1135 | if (!t) | |
1136 | break; | |
1137 | if (t->expire_time > expire_time) | |
1138 | break; | |
1139 | pt = &t->next; | |
1140 | } | |
1141 | ts->expire_time = expire_time; | |
1142 | ts->next = *pt; | |
1143 | *pt = ts; | |
1144 | ||
1145 | /* Rearm if necessary */ | |
1146 | if (pt == &active_timers[ts->clock->type]) { | |
1147 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1148 | qemu_rearm_alarm_timer(alarm_timer); | |
1149 | } | |
1150 | /* Interrupt execution to force deadline recalculation. */ | |
1151 | if (use_icount && cpu_single_env) { | |
1152 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
1153 | } | |
1154 | } | |
1155 | } | |
1156 | ||
1157 | int qemu_timer_pending(QEMUTimer *ts) | |
1158 | { | |
1159 | QEMUTimer *t; | |
1160 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1161 | if (t == ts) | |
1162 | return 1; | |
1163 | } | |
1164 | return 0; | |
1165 | } | |
1166 | ||
1167 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
1168 | { | |
1169 | if (!timer_head) | |
1170 | return 0; | |
1171 | return (timer_head->expire_time <= current_time); | |
1172 | } | |
1173 | ||
1174 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1175 | { | |
1176 | QEMUTimer *ts; | |
1177 | ||
1178 | for(;;) { | |
1179 | ts = *ptimer_head; | |
1180 | if (!ts || ts->expire_time > current_time) | |
1181 | break; | |
1182 | /* remove timer from the list before calling the callback */ | |
1183 | *ptimer_head = ts->next; | |
1184 | ts->next = NULL; | |
1185 | ||
1186 | /* run the callback (the timer list can be modified) */ | |
1187 | ts->cb(ts->opaque); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | int64_t qemu_get_clock(QEMUClock *clock) | |
1192 | { | |
1193 | switch(clock->type) { | |
1194 | case QEMU_TIMER_REALTIME: | |
1195 | return get_clock() / 1000000; | |
1196 | default: | |
1197 | case QEMU_TIMER_VIRTUAL: | |
1198 | if (use_icount) { | |
1199 | return cpu_get_icount(); | |
1200 | } else { | |
1201 | return cpu_get_clock(); | |
1202 | } | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | static void init_timers(void) | |
1207 | { | |
1208 | init_get_clock(); | |
1209 | ticks_per_sec = QEMU_TIMER_BASE; | |
1210 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
1211 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
1212 | } | |
1213 | ||
1214 | /* save a timer */ | |
1215 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1216 | { | |
1217 | uint64_t expire_time; | |
1218 | ||
1219 | if (qemu_timer_pending(ts)) { | |
1220 | expire_time = ts->expire_time; | |
1221 | } else { | |
1222 | expire_time = -1; | |
1223 | } | |
1224 | qemu_put_be64(f, expire_time); | |
1225 | } | |
1226 | ||
1227 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1228 | { | |
1229 | uint64_t expire_time; | |
1230 | ||
1231 | expire_time = qemu_get_be64(f); | |
1232 | if (expire_time != -1) { | |
1233 | qemu_mod_timer(ts, expire_time); | |
1234 | } else { | |
1235 | qemu_del_timer(ts); | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | static void timer_save(QEMUFile *f, void *opaque) | |
1240 | { | |
1241 | if (cpu_ticks_enabled) { | |
1242 | hw_error("cannot save state if virtual timers are running"); | |
1243 | } | |
1244 | qemu_put_be64(f, cpu_ticks_offset); | |
1245 | qemu_put_be64(f, ticks_per_sec); | |
1246 | qemu_put_be64(f, cpu_clock_offset); | |
1247 | } | |
1248 | ||
1249 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
1250 | { | |
1251 | if (version_id != 1 && version_id != 2) | |
1252 | return -EINVAL; | |
1253 | if (cpu_ticks_enabled) { | |
1254 | return -EINVAL; | |
1255 | } | |
1256 | cpu_ticks_offset=qemu_get_be64(f); | |
1257 | ticks_per_sec=qemu_get_be64(f); | |
1258 | if (version_id == 2) { | |
1259 | cpu_clock_offset=qemu_get_be64(f); | |
1260 | } | |
1261 | return 0; | |
1262 | } | |
1263 | ||
1264 | #ifdef _WIN32 | |
1265 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
1266 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
1267 | #else | |
1268 | static void host_alarm_handler(int host_signum) | |
1269 | #endif | |
1270 | { | |
1271 | #if 0 | |
1272 | #define DISP_FREQ 1000 | |
1273 | { | |
1274 | static int64_t delta_min = INT64_MAX; | |
1275 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1276 | static int count; | |
1277 | ti = qemu_get_clock(vm_clock); | |
1278 | if (last_clock != 0) { | |
1279 | delta = ti - last_clock; | |
1280 | if (delta < delta_min) | |
1281 | delta_min = delta; | |
1282 | if (delta > delta_max) | |
1283 | delta_max = delta; | |
1284 | delta_cum += delta; | |
1285 | if (++count == DISP_FREQ) { | |
1286 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
1287 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
1288 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
1289 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
1290 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
1291 | count = 0; | |
1292 | delta_min = INT64_MAX; | |
1293 | delta_max = 0; | |
1294 | delta_cum = 0; | |
1295 | } | |
1296 | } | |
1297 | last_clock = ti; | |
1298 | } | |
1299 | #endif | |
1300 | if (alarm_has_dynticks(alarm_timer) || | |
1301 | (!use_icount && | |
1302 | qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
1303 | qemu_get_clock(vm_clock))) || | |
1304 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
1305 | qemu_get_clock(rt_clock))) { | |
1306 | #ifdef _WIN32 | |
1307 | struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; | |
1308 | SetEvent(data->host_alarm); | |
1309 | #endif | |
1310 | CPUState *env = next_cpu; | |
1311 | ||
1312 | alarm_timer->flags |= ALARM_FLAG_EXPIRED; | |
1313 | ||
1314 | if (env) { | |
1315 | /* stop the currently executing cpu because a timer occured */ | |
1316 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
1317 | #ifdef USE_KQEMU | |
1318 | if (env->kqemu_enabled) { | |
1319 | kqemu_cpu_interrupt(env); | |
1320 | } | |
1321 | #endif | |
1322 | } | |
1323 | event_pending = 1; | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | static int64_t qemu_next_deadline(void) | |
1328 | { | |
1329 | int64_t delta; | |
1330 | ||
1331 | if (active_timers[QEMU_TIMER_VIRTUAL]) { | |
1332 | delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - | |
1333 | qemu_get_clock(vm_clock); | |
1334 | } else { | |
1335 | /* To avoid problems with overflow limit this to 2^32. */ | |
1336 | delta = INT32_MAX; | |
1337 | } | |
1338 | ||
1339 | if (delta < 0) | |
1340 | delta = 0; | |
1341 | ||
1342 | return delta; | |
1343 | } | |
1344 | ||
1345 | #if defined(__linux__) || defined(_WIN32) | |
1346 | static uint64_t qemu_next_deadline_dyntick(void) | |
1347 | { | |
1348 | int64_t delta; | |
1349 | int64_t rtdelta; | |
1350 | ||
1351 | if (use_icount) | |
1352 | delta = INT32_MAX; | |
1353 | else | |
1354 | delta = (qemu_next_deadline() + 999) / 1000; | |
1355 | ||
1356 | if (active_timers[QEMU_TIMER_REALTIME]) { | |
1357 | rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - | |
1358 | qemu_get_clock(rt_clock))*1000; | |
1359 | if (rtdelta < delta) | |
1360 | delta = rtdelta; | |
1361 | } | |
1362 | ||
1363 | if (delta < MIN_TIMER_REARM_US) | |
1364 | delta = MIN_TIMER_REARM_US; | |
1365 | ||
1366 | return delta; | |
1367 | } | |
1368 | #endif | |
1369 | ||
1370 | #ifndef _WIN32 | |
1371 | ||
1372 | #if defined(__linux__) | |
1373 | ||
1374 | #define RTC_FREQ 1024 | |
1375 | ||
1376 | static void enable_sigio_timer(int fd) | |
1377 | { | |
1378 | struct sigaction act; | |
1379 | ||
1380 | /* timer signal */ | |
1381 | sigfillset(&act.sa_mask); | |
1382 | act.sa_flags = 0; | |
1383 | act.sa_handler = host_alarm_handler; | |
1384 | ||
1385 | sigaction(SIGIO, &act, NULL); | |
1386 | fcntl(fd, F_SETFL, O_ASYNC); | |
1387 | fcntl(fd, F_SETOWN, getpid()); | |
1388 | } | |
1389 | ||
1390 | static int hpet_start_timer(struct qemu_alarm_timer *t) | |
1391 | { | |
1392 | struct hpet_info info; | |
1393 | int r, fd; | |
1394 | ||
1395 | fd = open("/dev/hpet", O_RDONLY); | |
1396 | if (fd < 0) | |
1397 | return -1; | |
1398 | ||
1399 | /* Set frequency */ | |
1400 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1401 | if (r < 0) { | |
1402 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1403 | "error, but for better emulation accuracy type:\n" | |
1404 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1405 | goto fail; | |
1406 | } | |
1407 | ||
1408 | /* Check capabilities */ | |
1409 | r = ioctl(fd, HPET_INFO, &info); | |
1410 | if (r < 0) | |
1411 | goto fail; | |
1412 | ||
1413 | /* Enable periodic mode */ | |
1414 | r = ioctl(fd, HPET_EPI, 0); | |
1415 | if (info.hi_flags && (r < 0)) | |
1416 | goto fail; | |
1417 | ||
1418 | /* Enable interrupt */ | |
1419 | r = ioctl(fd, HPET_IE_ON, 0); | |
1420 | if (r < 0) | |
1421 | goto fail; | |
1422 | ||
1423 | enable_sigio_timer(fd); | |
1424 | t->priv = (void *)(long)fd; | |
1425 | ||
1426 | return 0; | |
1427 | fail: | |
1428 | close(fd); | |
1429 | return -1; | |
1430 | } | |
1431 | ||
1432 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1433 | { | |
1434 | int fd = (long)t->priv; | |
1435 | ||
1436 | close(fd); | |
1437 | } | |
1438 | ||
1439 | static int rtc_start_timer(struct qemu_alarm_timer *t) | |
1440 | { | |
1441 | int rtc_fd; | |
1442 | unsigned long current_rtc_freq = 0; | |
1443 | ||
1444 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); | |
1445 | if (rtc_fd < 0) | |
1446 | return -1; | |
1447 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); | |
1448 | if (current_rtc_freq != RTC_FREQ && | |
1449 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1450 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1451 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1452 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1453 | goto fail; | |
1454 | } | |
1455 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1456 | fail: | |
1457 | close(rtc_fd); | |
1458 | return -1; | |
1459 | } | |
1460 | ||
1461 | enable_sigio_timer(rtc_fd); | |
1462 | ||
1463 | t->priv = (void *)(long)rtc_fd; | |
1464 | ||
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | static void rtc_stop_timer(struct qemu_alarm_timer *t) | |
1469 | { | |
1470 | int rtc_fd = (long)t->priv; | |
1471 | ||
1472 | close(rtc_fd); | |
1473 | } | |
1474 | ||
1475 | static int dynticks_start_timer(struct qemu_alarm_timer *t) | |
1476 | { | |
1477 | struct sigevent ev; | |
1478 | timer_t host_timer; | |
1479 | struct sigaction act; | |
1480 | ||
1481 | sigfillset(&act.sa_mask); | |
1482 | act.sa_flags = 0; | |
1483 | act.sa_handler = host_alarm_handler; | |
1484 | ||
1485 | sigaction(SIGALRM, &act, NULL); | |
1486 | ||
1487 | ev.sigev_value.sival_int = 0; | |
1488 | ev.sigev_notify = SIGEV_SIGNAL; | |
1489 | ev.sigev_signo = SIGALRM; | |
1490 | ||
1491 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1492 | perror("timer_create"); | |
1493 | ||
1494 | /* disable dynticks */ | |
1495 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1496 | ||
1497 | return -1; | |
1498 | } | |
1499 | ||
1500 | t->priv = (void *)host_timer; | |
1501 | ||
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1506 | { | |
1507 | timer_t host_timer = (timer_t)t->priv; | |
1508 | ||
1509 | timer_delete(host_timer); | |
1510 | } | |
1511 | ||
1512 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1513 | { | |
1514 | timer_t host_timer = (timer_t)t->priv; | |
1515 | struct itimerspec timeout; | |
1516 | int64_t nearest_delta_us = INT64_MAX; | |
1517 | int64_t current_us; | |
1518 | ||
1519 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1520 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1521 | return; | |
1522 | ||
1523 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1524 | ||
1525 | /* check whether a timer is already running */ | |
1526 | if (timer_gettime(host_timer, &timeout)) { | |
1527 | perror("gettime"); | |
1528 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1529 | exit(1); | |
1530 | } | |
1531 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1532 | if (current_us && current_us <= nearest_delta_us) | |
1533 | return; | |
1534 | ||
1535 | timeout.it_interval.tv_sec = 0; | |
1536 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1537 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1538 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1539 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1540 | perror("settime"); | |
1541 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1542 | exit(1); | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | #endif /* defined(__linux__) */ | |
1547 | ||
1548 | static int unix_start_timer(struct qemu_alarm_timer *t) | |
1549 | { | |
1550 | struct sigaction act; | |
1551 | struct itimerval itv; | |
1552 | int err; | |
1553 | ||
1554 | /* timer signal */ | |
1555 | sigfillset(&act.sa_mask); | |
1556 | act.sa_flags = 0; | |
1557 | act.sa_handler = host_alarm_handler; | |
1558 | ||
1559 | sigaction(SIGALRM, &act, NULL); | |
1560 | ||
1561 | itv.it_interval.tv_sec = 0; | |
1562 | /* for i386 kernel 2.6 to get 1 ms */ | |
1563 | itv.it_interval.tv_usec = 999; | |
1564 | itv.it_value.tv_sec = 0; | |
1565 | itv.it_value.tv_usec = 10 * 1000; | |
1566 | ||
1567 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1568 | if (err) | |
1569 | return -1; | |
1570 | ||
1571 | return 0; | |
1572 | } | |
1573 | ||
1574 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1575 | { | |
1576 | struct itimerval itv; | |
1577 | ||
1578 | memset(&itv, 0, sizeof(itv)); | |
1579 | setitimer(ITIMER_REAL, &itv, NULL); | |
1580 | } | |
1581 | ||
1582 | #endif /* !defined(_WIN32) */ | |
1583 | ||
1584 | #ifdef _WIN32 | |
1585 | ||
1586 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1587 | { | |
1588 | TIMECAPS tc; | |
1589 | struct qemu_alarm_win32 *data = t->priv; | |
1590 | UINT flags; | |
1591 | ||
1592 | data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1593 | if (!data->host_alarm) { | |
1594 | perror("Failed CreateEvent"); | |
1595 | return -1; | |
1596 | } | |
1597 | ||
1598 | memset(&tc, 0, sizeof(tc)); | |
1599 | timeGetDevCaps(&tc, sizeof(tc)); | |
1600 | ||
1601 | if (data->period < tc.wPeriodMin) | |
1602 | data->period = tc.wPeriodMin; | |
1603 | ||
1604 | timeBeginPeriod(data->period); | |
1605 | ||
1606 | flags = TIME_CALLBACK_FUNCTION; | |
1607 | if (alarm_has_dynticks(t)) | |
1608 | flags |= TIME_ONESHOT; | |
1609 | else | |
1610 | flags |= TIME_PERIODIC; | |
1611 | ||
1612 | data->timerId = timeSetEvent(1, // interval (ms) | |
1613 | data->period, // resolution | |
1614 | host_alarm_handler, // function | |
1615 | (DWORD)t, // parameter | |
1616 | flags); | |
1617 | ||
1618 | if (!data->timerId) { | |
1619 | perror("Failed to initialize win32 alarm timer"); | |
1620 | ||
1621 | timeEndPeriod(data->period); | |
1622 | CloseHandle(data->host_alarm); | |
1623 | return -1; | |
1624 | } | |
1625 | ||
1626 | qemu_add_wait_object(data->host_alarm, NULL, NULL); | |
1627 | ||
1628 | return 0; | |
1629 | } | |
1630 | ||
1631 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1632 | { | |
1633 | struct qemu_alarm_win32 *data = t->priv; | |
1634 | ||
1635 | timeKillEvent(data->timerId); | |
1636 | timeEndPeriod(data->period); | |
1637 | ||
1638 | CloseHandle(data->host_alarm); | |
1639 | } | |
1640 | ||
1641 | static void win32_rearm_timer(struct qemu_alarm_timer *t) | |
1642 | { | |
1643 | struct qemu_alarm_win32 *data = t->priv; | |
1644 | uint64_t nearest_delta_us; | |
1645 | ||
1646 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1647 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1648 | return; | |
1649 | ||
1650 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1651 | nearest_delta_us /= 1000; | |
1652 | ||
1653 | timeKillEvent(data->timerId); | |
1654 | ||
1655 | data->timerId = timeSetEvent(1, | |
1656 | data->period, | |
1657 | host_alarm_handler, | |
1658 | (DWORD)t, | |
1659 | TIME_ONESHOT | TIME_PERIODIC); | |
1660 | ||
1661 | if (!data->timerId) { | |
1662 | perror("Failed to re-arm win32 alarm timer"); | |
1663 | ||
1664 | timeEndPeriod(data->period); | |
1665 | CloseHandle(data->host_alarm); | |
1666 | exit(1); | |
1667 | } | |
1668 | } | |
1669 | ||
1670 | #endif /* _WIN32 */ | |
1671 | ||
1672 | static void init_timer_alarm(void) | |
1673 | { | |
1674 | struct qemu_alarm_timer *t = NULL; | |
1675 | int i, err = -1; | |
1676 | ||
1677 | for (i = 0; alarm_timers[i].name; i++) { | |
1678 | t = &alarm_timers[i]; | |
1679 | ||
1680 | err = t->start(t); | |
1681 | if (!err) | |
1682 | break; | |
1683 | } | |
1684 | ||
1685 | if (err) { | |
1686 | fprintf(stderr, "Unable to find any suitable alarm timer.\n"); | |
1687 | fprintf(stderr, "Terminating\n"); | |
1688 | exit(1); | |
1689 | } | |
1690 | ||
1691 | alarm_timer = t; | |
1692 | } | |
1693 | ||
1694 | static void quit_timers(void) | |
1695 | { | |
1696 | alarm_timer->stop(alarm_timer); | |
1697 | alarm_timer = NULL; | |
1698 | } | |
1699 | ||
1700 | /***********************************************************/ | |
1701 | /* host time/date access */ | |
1702 | void qemu_get_timedate(struct tm *tm, int offset) | |
1703 | { | |
1704 | time_t ti; | |
1705 | struct tm *ret; | |
1706 | ||
1707 | time(&ti); | |
1708 | ti += offset; | |
1709 | if (rtc_date_offset == -1) { | |
1710 | if (rtc_utc) | |
1711 | ret = gmtime(&ti); | |
1712 | else | |
1713 | ret = localtime(&ti); | |
1714 | } else { | |
1715 | ti -= rtc_date_offset; | |
1716 | ret = gmtime(&ti); | |
1717 | } | |
1718 | ||
1719 | memcpy(tm, ret, sizeof(struct tm)); | |
1720 | } | |
1721 | ||
1722 | int qemu_timedate_diff(struct tm *tm) | |
1723 | { | |
1724 | time_t seconds; | |
1725 | ||
1726 | if (rtc_date_offset == -1) | |
1727 | if (rtc_utc) | |
1728 | seconds = mktimegm(tm); | |
1729 | else | |
1730 | seconds = mktime(tm); | |
1731 | else | |
1732 | seconds = mktimegm(tm) + rtc_date_offset; | |
1733 | ||
1734 | return seconds - time(NULL); | |
1735 | } | |
1736 | ||
1737 | #ifdef _WIN32 | |
1738 | static void socket_cleanup(void) | |
1739 | { | |
1740 | WSACleanup(); | |
1741 | } | |
1742 | ||
1743 | static int socket_init(void) | |
1744 | { | |
1745 | WSADATA Data; | |
1746 | int ret, err; | |
1747 | ||
1748 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1749 | if (ret != 0) { | |
1750 | err = WSAGetLastError(); | |
1751 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1752 | return -1; | |
1753 | } | |
1754 | atexit(socket_cleanup); | |
1755 | return 0; | |
1756 | } | |
1757 | #endif | |
1758 | ||
1759 | const char *get_opt_name(char *buf, int buf_size, const char *p) | |
1760 | { | |
1761 | char *q; | |
1762 | ||
1763 | q = buf; | |
1764 | while (*p != '\0' && *p != '=') { | |
1765 | if (q && (q - buf) < buf_size - 1) | |
1766 | *q++ = *p; | |
1767 | p++; | |
1768 | } | |
1769 | if (q) | |
1770 | *q = '\0'; | |
1771 | ||
1772 | return p; | |
1773 | } | |
1774 | ||
1775 | const char *get_opt_value(char *buf, int buf_size, const char *p) | |
1776 | { | |
1777 | char *q; | |
1778 | ||
1779 | q = buf; | |
1780 | while (*p != '\0') { | |
1781 | if (*p == ',') { | |
1782 | if (*(p + 1) != ',') | |
1783 | break; | |
1784 | p++; | |
1785 | } | |
1786 | if (q && (q - buf) < buf_size - 1) | |
1787 | *q++ = *p; | |
1788 | p++; | |
1789 | } | |
1790 | if (q) | |
1791 | *q = '\0'; | |
1792 | ||
1793 | return p; | |
1794 | } | |
1795 | ||
1796 | int get_param_value(char *buf, int buf_size, | |
1797 | const char *tag, const char *str) | |
1798 | { | |
1799 | const char *p; | |
1800 | char option[128]; | |
1801 | ||
1802 | p = str; | |
1803 | for(;;) { | |
1804 | p = get_opt_name(option, sizeof(option), p); | |
1805 | if (*p != '=') | |
1806 | break; | |
1807 | p++; | |
1808 | if (!strcmp(tag, option)) { | |
1809 | (void)get_opt_value(buf, buf_size, p); | |
1810 | return strlen(buf); | |
1811 | } else { | |
1812 | p = get_opt_value(NULL, 0, p); | |
1813 | } | |
1814 | if (*p != ',') | |
1815 | break; | |
1816 | p++; | |
1817 | } | |
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | int check_params(char *buf, int buf_size, | |
1822 | const char * const *params, const char *str) | |
1823 | { | |
1824 | const char *p; | |
1825 | int i; | |
1826 | ||
1827 | p = str; | |
1828 | for(;;) { | |
1829 | p = get_opt_name(buf, buf_size, p); | |
1830 | if (*p != '=') | |
1831 | return -1; | |
1832 | p++; | |
1833 | for(i = 0; params[i] != NULL; i++) | |
1834 | if (!strcmp(params[i], buf)) | |
1835 | break; | |
1836 | if (params[i] == NULL) | |
1837 | return -1; | |
1838 | p = get_opt_value(NULL, 0, p); | |
1839 | if (*p != ',') | |
1840 | break; | |
1841 | p++; | |
1842 | } | |
1843 | return 0; | |
1844 | } | |
1845 | ||
1846 | /***********************************************************/ | |
1847 | /* Bluetooth support */ | |
1848 | static int nb_hcis; | |
1849 | static int cur_hci; | |
1850 | static struct HCIInfo *hci_table[MAX_NICS]; | |
1851 | #if 0 | |
1852 | static struct bt_vlan_s { | |
1853 | struct bt_scatternet_s net; | |
1854 | int id; | |
1855 | struct bt_vlan_s *next; | |
1856 | } *first_bt_vlan; | |
1857 | ||
1858 | /* find or alloc a new bluetooth "VLAN" */ | |
1859 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) | |
1860 | { | |
1861 | struct bt_vlan_s **pvlan, *vlan; | |
1862 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1863 | if (vlan->id == id) | |
1864 | return &vlan->net; | |
1865 | } | |
1866 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1867 | vlan->id = id; | |
1868 | pvlan = &first_bt_vlan; | |
1869 | while (*pvlan != NULL) | |
1870 | pvlan = &(*pvlan)->next; | |
1871 | *pvlan = vlan; | |
1872 | return &vlan->net; | |
1873 | } | |
1874 | #endif | |
1875 | ||
1876 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1877 | { | |
1878 | } | |
1879 | ||
1880 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1881 | { | |
1882 | return -ENOTSUP; | |
1883 | } | |
1884 | ||
1885 | static struct HCIInfo null_hci = { | |
1886 | .cmd_send = null_hci_send, | |
1887 | .sco_send = null_hci_send, | |
1888 | .acl_send = null_hci_send, | |
1889 | .bdaddr_set = null_hci_addr_set, | |
1890 | }; | |
1891 | ||
1892 | struct HCIInfo *qemu_next_hci(void) | |
1893 | { | |
1894 | if (cur_hci == nb_hcis) | |
1895 | return &null_hci; | |
1896 | ||
1897 | return hci_table[cur_hci++]; | |
1898 | } | |
1899 | ||
1900 | /***********************************************************/ | |
1901 | /* QEMU Block devices */ | |
1902 | ||
1903 | #define HD_ALIAS "index=%d,media=disk" | |
1904 | #ifdef TARGET_PPC | |
1905 | #define CDROM_ALIAS "index=1,media=cdrom" | |
1906 | #else | |
1907 | #define CDROM_ALIAS "index=2,media=cdrom" | |
1908 | #endif | |
1909 | #define FD_ALIAS "index=%d,if=floppy" | |
1910 | #define PFLASH_ALIAS "if=pflash" | |
1911 | #define MTD_ALIAS "if=mtd" | |
1912 | #define SD_ALIAS "index=0,if=sd" | |
1913 | ||
1914 | static int drive_add(const char *file, const char *fmt, ...) | |
1915 | { | |
1916 | va_list ap; | |
1917 | ||
1918 | if (nb_drives_opt >= MAX_DRIVES) { | |
1919 | fprintf(stderr, "qemu: too many drives\n"); | |
1920 | exit(1); | |
1921 | } | |
1922 | ||
1923 | drives_opt[nb_drives_opt].file = file; | |
1924 | va_start(ap, fmt); | |
1925 | vsnprintf(drives_opt[nb_drives_opt].opt, | |
1926 | sizeof(drives_opt[0].opt), fmt, ap); | |
1927 | va_end(ap); | |
1928 | ||
1929 | return nb_drives_opt++; | |
1930 | } | |
1931 | ||
1932 | int drive_get_index(BlockInterfaceType type, int bus, int unit) | |
1933 | { | |
1934 | int index; | |
1935 | ||
1936 | /* seek interface, bus and unit */ | |
1937 | ||
1938 | for (index = 0; index < nb_drives; index++) | |
1939 | if (drives_table[index].type == type && | |
1940 | drives_table[index].bus == bus && | |
1941 | drives_table[index].unit == unit) | |
1942 | return index; | |
1943 | ||
1944 | return -1; | |
1945 | } | |
1946 | ||
1947 | int drive_get_max_bus(BlockInterfaceType type) | |
1948 | { | |
1949 | int max_bus; | |
1950 | int index; | |
1951 | ||
1952 | max_bus = -1; | |
1953 | for (index = 0; index < nb_drives; index++) { | |
1954 | if(drives_table[index].type == type && | |
1955 | drives_table[index].bus > max_bus) | |
1956 | max_bus = drives_table[index].bus; | |
1957 | } | |
1958 | return max_bus; | |
1959 | } | |
1960 | ||
1961 | static void bdrv_format_print(void *opaque, const char *name) | |
1962 | { | |
1963 | fprintf(stderr, " %s", name); | |
1964 | } | |
1965 | ||
1966 | static int drive_init(struct drive_opt *arg, int snapshot, | |
1967 | QEMUMachine *machine) | |
1968 | { | |
1969 | char buf[128]; | |
1970 | char file[1024]; | |
1971 | char devname[128]; | |
1972 | const char *mediastr = ""; | |
1973 | BlockInterfaceType type; | |
1974 | enum { MEDIA_DISK, MEDIA_CDROM } media; | |
1975 | int bus_id, unit_id; | |
1976 | int cyls, heads, secs, translation; | |
1977 | BlockDriverState *bdrv; | |
1978 | BlockDriver *drv = NULL; | |
1979 | int max_devs; | |
1980 | int index; | |
1981 | int cache; | |
1982 | int bdrv_flags; | |
1983 | char *str = arg->opt; | |
1984 | static const char * const params[] = { "bus", "unit", "if", "index", | |
1985 | "cyls", "heads", "secs", "trans", | |
1986 | "media", "snapshot", "file", | |
1987 | "cache", "format", NULL }; | |
1988 | ||
1989 | if (check_params(buf, sizeof(buf), params, str) < 0) { | |
1990 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", | |
1991 | buf, str); | |
1992 | return -1; | |
1993 | } | |
1994 | ||
1995 | file[0] = 0; | |
1996 | cyls = heads = secs = 0; | |
1997 | bus_id = 0; | |
1998 | unit_id = -1; | |
1999 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2000 | index = -1; | |
2001 | cache = 1; | |
2002 | ||
2003 | if (machine->use_scsi) { | |
2004 | type = IF_SCSI; | |
2005 | max_devs = MAX_SCSI_DEVS; | |
2006 | pstrcpy(devname, sizeof(devname), "scsi"); | |
2007 | } else { | |
2008 | type = IF_IDE; | |
2009 | max_devs = MAX_IDE_DEVS; | |
2010 | pstrcpy(devname, sizeof(devname), "ide"); | |
2011 | } | |
2012 | media = MEDIA_DISK; | |
2013 | ||
2014 | /* extract parameters */ | |
2015 | ||
2016 | if (get_param_value(buf, sizeof(buf), "bus", str)) { | |
2017 | bus_id = strtol(buf, NULL, 0); | |
2018 | if (bus_id < 0) { | |
2019 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); | |
2020 | return -1; | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | if (get_param_value(buf, sizeof(buf), "unit", str)) { | |
2025 | unit_id = strtol(buf, NULL, 0); | |
2026 | if (unit_id < 0) { | |
2027 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); | |
2028 | return -1; | |
2029 | } | |
2030 | } | |
2031 | ||
2032 | if (get_param_value(buf, sizeof(buf), "if", str)) { | |
2033 | pstrcpy(devname, sizeof(devname), buf); | |
2034 | if (!strcmp(buf, "ide")) { | |
2035 | type = IF_IDE; | |
2036 | max_devs = MAX_IDE_DEVS; | |
2037 | } else if (!strcmp(buf, "scsi")) { | |
2038 | type = IF_SCSI; | |
2039 | max_devs = MAX_SCSI_DEVS; | |
2040 | } else if (!strcmp(buf, "floppy")) { | |
2041 | type = IF_FLOPPY; | |
2042 | max_devs = 0; | |
2043 | } else if (!strcmp(buf, "pflash")) { | |
2044 | type = IF_PFLASH; | |
2045 | max_devs = 0; | |
2046 | } else if (!strcmp(buf, "mtd")) { | |
2047 | type = IF_MTD; | |
2048 | max_devs = 0; | |
2049 | } else if (!strcmp(buf, "sd")) { | |
2050 | type = IF_SD; | |
2051 | max_devs = 0; | |
2052 | } else { | |
2053 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); | |
2054 | return -1; | |
2055 | } | |
2056 | } | |
2057 | ||
2058 | if (get_param_value(buf, sizeof(buf), "index", str)) { | |
2059 | index = strtol(buf, NULL, 0); | |
2060 | if (index < 0) { | |
2061 | fprintf(stderr, "qemu: '%s' invalid index\n", str); | |
2062 | return -1; | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { | |
2067 | cyls = strtol(buf, NULL, 0); | |
2068 | } | |
2069 | ||
2070 | if (get_param_value(buf, sizeof(buf), "heads", str)) { | |
2071 | heads = strtol(buf, NULL, 0); | |
2072 | } | |
2073 | ||
2074 | if (get_param_value(buf, sizeof(buf), "secs", str)) { | |
2075 | secs = strtol(buf, NULL, 0); | |
2076 | } | |
2077 | ||
2078 | if (cyls || heads || secs) { | |
2079 | if (cyls < 1 || cyls > 16383) { | |
2080 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); | |
2081 | return -1; | |
2082 | } | |
2083 | if (heads < 1 || heads > 16) { | |
2084 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); | |
2085 | return -1; | |
2086 | } | |
2087 | if (secs < 1 || secs > 63) { | |
2088 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); | |
2089 | return -1; | |
2090 | } | |
2091 | } | |
2092 | ||
2093 | if (get_param_value(buf, sizeof(buf), "trans", str)) { | |
2094 | if (!cyls) { | |
2095 | fprintf(stderr, | |
2096 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
2097 | str); | |
2098 | return -1; | |
2099 | } | |
2100 | if (!strcmp(buf, "none")) | |
2101 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2102 | else if (!strcmp(buf, "lba")) | |
2103 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2104 | else if (!strcmp(buf, "auto")) | |
2105 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2106 | else { | |
2107 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); | |
2108 | return -1; | |
2109 | } | |
2110 | } | |
2111 | ||
2112 | if (get_param_value(buf, sizeof(buf), "media", str)) { | |
2113 | if (!strcmp(buf, "disk")) { | |
2114 | media = MEDIA_DISK; | |
2115 | } else if (!strcmp(buf, "cdrom")) { | |
2116 | if (cyls || secs || heads) { | |
2117 | fprintf(stderr, | |
2118 | "qemu: '%s' invalid physical CHS format\n", str); | |
2119 | return -1; | |
2120 | } | |
2121 | media = MEDIA_CDROM; | |
2122 | } else { | |
2123 | fprintf(stderr, "qemu: '%s' invalid media\n", str); | |
2124 | return -1; | |
2125 | } | |
2126 | } | |
2127 | ||
2128 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { | |
2129 | if (!strcmp(buf, "on")) | |
2130 | snapshot = 1; | |
2131 | else if (!strcmp(buf, "off")) | |
2132 | snapshot = 0; | |
2133 | else { | |
2134 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); | |
2135 | return -1; | |
2136 | } | |
2137 | } | |
2138 | ||
2139 | if (get_param_value(buf, sizeof(buf), "cache", str)) { | |
2140 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) | |
2141 | cache = 0; | |
2142 | else if (!strcmp(buf, "writethrough")) | |
2143 | cache = 1; | |
2144 | else if (!strcmp(buf, "writeback")) | |
2145 | cache = 2; | |
2146 | else { | |
2147 | fprintf(stderr, "qemu: invalid cache option\n"); | |
2148 | return -1; | |
2149 | } | |
2150 | } | |
2151 | ||
2152 | if (get_param_value(buf, sizeof(buf), "format", str)) { | |
2153 | if (strcmp(buf, "?") == 0) { | |
2154 | fprintf(stderr, "qemu: Supported formats:"); | |
2155 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2156 | fprintf(stderr, "\n"); | |
2157 | return -1; | |
2158 | } | |
2159 | drv = bdrv_find_format(buf); | |
2160 | if (!drv) { | |
2161 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
2162 | return -1; | |
2163 | } | |
2164 | } | |
2165 | ||
2166 | if (arg->file == NULL) | |
2167 | get_param_value(file, sizeof(file), "file", str); | |
2168 | else | |
2169 | pstrcpy(file, sizeof(file), arg->file); | |
2170 | ||
2171 | /* compute bus and unit according index */ | |
2172 | ||
2173 | if (index != -1) { | |
2174 | if (bus_id != 0 || unit_id != -1) { | |
2175 | fprintf(stderr, | |
2176 | "qemu: '%s' index cannot be used with bus and unit\n", str); | |
2177 | return -1; | |
2178 | } | |
2179 | if (max_devs == 0) | |
2180 | { | |
2181 | unit_id = index; | |
2182 | bus_id = 0; | |
2183 | } else { | |
2184 | unit_id = index % max_devs; | |
2185 | bus_id = index / max_devs; | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | /* if user doesn't specify a unit_id, | |
2190 | * try to find the first free | |
2191 | */ | |
2192 | ||
2193 | if (unit_id == -1) { | |
2194 | unit_id = 0; | |
2195 | while (drive_get_index(type, bus_id, unit_id) != -1) { | |
2196 | unit_id++; | |
2197 | if (max_devs && unit_id >= max_devs) { | |
2198 | unit_id -= max_devs; | |
2199 | bus_id++; | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
2204 | /* check unit id */ | |
2205 | ||
2206 | if (max_devs && unit_id >= max_devs) { | |
2207 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", | |
2208 | str, unit_id, max_devs - 1); | |
2209 | return -1; | |
2210 | } | |
2211 | ||
2212 | /* | |
2213 | * ignore multiple definitions | |
2214 | */ | |
2215 | ||
2216 | if (drive_get_index(type, bus_id, unit_id) != -1) | |
2217 | return 0; | |
2218 | ||
2219 | /* init */ | |
2220 | ||
2221 | if (type == IF_IDE || type == IF_SCSI) | |
2222 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2223 | if (max_devs) | |
2224 | snprintf(buf, sizeof(buf), "%s%i%s%i", | |
2225 | devname, bus_id, mediastr, unit_id); | |
2226 | else | |
2227 | snprintf(buf, sizeof(buf), "%s%s%i", | |
2228 | devname, mediastr, unit_id); | |
2229 | bdrv = bdrv_new(buf); | |
2230 | drives_table[nb_drives].bdrv = bdrv; | |
2231 | drives_table[nb_drives].type = type; | |
2232 | drives_table[nb_drives].bus = bus_id; | |
2233 | drives_table[nb_drives].unit = unit_id; | |
2234 | nb_drives++; | |
2235 | ||
2236 | switch(type) { | |
2237 | case IF_IDE: | |
2238 | case IF_SCSI: | |
2239 | switch(media) { | |
2240 | case MEDIA_DISK: | |
2241 | if (cyls != 0) { | |
2242 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); | |
2243 | bdrv_set_translation_hint(bdrv, translation); | |
2244 | } | |
2245 | break; | |
2246 | case MEDIA_CDROM: | |
2247 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); | |
2248 | break; | |
2249 | } | |
2250 | break; | |
2251 | case IF_SD: | |
2252 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2253 | approximation. */ | |
2254 | case IF_FLOPPY: | |
2255 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); | |
2256 | break; | |
2257 | case IF_PFLASH: | |
2258 | case IF_MTD: | |
2259 | break; | |
2260 | } | |
2261 | if (!file[0]) | |
2262 | return 0; | |
2263 | bdrv_flags = 0; | |
2264 | if (snapshot) { | |
2265 | bdrv_flags |= BDRV_O_SNAPSHOT; | |
2266 | cache = 2; /* always use write-back with snapshot */ | |
2267 | } | |
2268 | if (cache == 0) /* no caching */ | |
2269 | bdrv_flags |= BDRV_O_NOCACHE; | |
2270 | else if (cache == 2) /* write-back */ | |
2271 | bdrv_flags |= BDRV_O_CACHE_WB; | |
2272 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { | |
2273 | fprintf(stderr, "qemu: could not open disk image %s\n", | |
2274 | file); | |
2275 | return -1; | |
2276 | } | |
2277 | return 0; | |
2278 | } | |
2279 | ||
2280 | /***********************************************************/ | |
2281 | /* USB devices */ | |
2282 | ||
2283 | static USBPort *used_usb_ports; | |
2284 | static USBPort *free_usb_ports; | |
2285 | ||
2286 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
2287 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
2288 | usb_attachfn attach) | |
2289 | { | |
2290 | port->opaque = opaque; | |
2291 | port->index = index; | |
2292 | port->attach = attach; | |
2293 | port->next = free_usb_ports; | |
2294 | free_usb_ports = port; | |
2295 | } | |
2296 | ||
2297 | int usb_device_add_dev(USBDevice *dev) | |
2298 | { | |
2299 | USBPort *port; | |
2300 | ||
2301 | /* Find a USB port to add the device to. */ | |
2302 | port = free_usb_ports; | |
2303 | if (!port->next) { | |
2304 | USBDevice *hub; | |
2305 | ||
2306 | /* Create a new hub and chain it on. */ | |
2307 | free_usb_ports = NULL; | |
2308 | port->next = used_usb_ports; | |
2309 | used_usb_ports = port; | |
2310 | ||
2311 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
2312 | usb_attach(port, hub); | |
2313 | port = free_usb_ports; | |
2314 | } | |
2315 | ||
2316 | free_usb_ports = port->next; | |
2317 | port->next = used_usb_ports; | |
2318 | used_usb_ports = port; | |
2319 | usb_attach(port, dev); | |
2320 | return 0; | |
2321 | } | |
2322 | ||
2323 | static int usb_device_add(const char *devname) | |
2324 | { | |
2325 | const char *p; | |
2326 | USBDevice *dev; | |
2327 | ||
2328 | if (!free_usb_ports) | |
2329 | return -1; | |
2330 | ||
2331 | if (strstart(devname, "host:", &p)) { | |
2332 | dev = usb_host_device_open(p); | |
2333 | } else if (!strcmp(devname, "mouse")) { | |
2334 | dev = usb_mouse_init(); | |
2335 | } else if (!strcmp(devname, "tablet")) { | |
2336 | dev = usb_tablet_init(); | |
2337 | } else if (!strcmp(devname, "keyboard")) { | |
2338 | dev = usb_keyboard_init(); | |
2339 | } else if (strstart(devname, "disk:", &p)) { | |
2340 | dev = usb_msd_init(p); | |
2341 | } else if (!strcmp(devname, "wacom-tablet")) { | |
2342 | dev = usb_wacom_init(); | |
2343 | } else if (strstart(devname, "serial:", &p)) { | |
2344 | dev = usb_serial_init(p); | |
2345 | #ifdef CONFIG_BRLAPI | |
2346 | } else if (!strcmp(devname, "braille")) { | |
2347 | dev = usb_baum_init(); | |
2348 | #endif | |
2349 | } else if (strstart(devname, "net:", &p)) { | |
2350 | int nic = nb_nics; | |
2351 | ||
2352 | if (net_client_init("nic", p) < 0) | |
2353 | return -1; | |
2354 | nd_table[nic].model = "usb"; | |
2355 | dev = usb_net_init(&nd_table[nic]); | |
2356 | } else { | |
2357 | return -1; | |
2358 | } | |
2359 | if (!dev) | |
2360 | return -1; | |
2361 | ||
2362 | return usb_device_add_dev(dev); | |
2363 | } | |
2364 | ||
2365 | int usb_device_del_addr(int bus_num, int addr) | |
2366 | { | |
2367 | USBPort *port; | |
2368 | USBPort **lastp; | |
2369 | USBDevice *dev; | |
2370 | ||
2371 | if (!used_usb_ports) | |
2372 | return -1; | |
2373 | ||
2374 | if (bus_num != 0) | |
2375 | return -1; | |
2376 | ||
2377 | lastp = &used_usb_ports; | |
2378 | port = used_usb_ports; | |
2379 | while (port && port->dev->addr != addr) { | |
2380 | lastp = &port->next; | |
2381 | port = port->next; | |
2382 | } | |
2383 | ||
2384 | if (!port) | |
2385 | return -1; | |
2386 | ||
2387 | dev = port->dev; | |
2388 | *lastp = port->next; | |
2389 | usb_attach(port, NULL); | |
2390 | dev->handle_destroy(dev); | |
2391 | port->next = free_usb_ports; | |
2392 | free_usb_ports = port; | |
2393 | return 0; | |
2394 | } | |
2395 | ||
2396 | static int usb_device_del(const char *devname) | |
2397 | { | |
2398 | int bus_num, addr; | |
2399 | const char *p; | |
2400 | ||
2401 | if (strstart(devname, "host:", &p)) | |
2402 | return usb_host_device_close(p); | |
2403 | ||
2404 | if (!used_usb_ports) | |
2405 | return -1; | |
2406 | ||
2407 | p = strchr(devname, '.'); | |
2408 | if (!p) | |
2409 | return -1; | |
2410 | bus_num = strtoul(devname, NULL, 0); | |
2411 | addr = strtoul(p + 1, NULL, 0); | |
2412 | ||
2413 | return usb_device_del_addr(bus_num, addr); | |
2414 | } | |
2415 | ||
2416 | void do_usb_add(const char *devname) | |
2417 | { | |
2418 | usb_device_add(devname); | |
2419 | } | |
2420 | ||
2421 | void do_usb_del(const char *devname) | |
2422 | { | |
2423 | usb_device_del(devname); | |
2424 | } | |
2425 | ||
2426 | void usb_info(void) | |
2427 | { | |
2428 | USBDevice *dev; | |
2429 | USBPort *port; | |
2430 | const char *speed_str; | |
2431 | ||
2432 | if (!usb_enabled) { | |
2433 | term_printf("USB support not enabled\n"); | |
2434 | return; | |
2435 | } | |
2436 | ||
2437 | for (port = used_usb_ports; port; port = port->next) { | |
2438 | dev = port->dev; | |
2439 | if (!dev) | |
2440 | continue; | |
2441 | switch(dev->speed) { | |
2442 | case USB_SPEED_LOW: | |
2443 | speed_str = "1.5"; | |
2444 | break; | |
2445 | case USB_SPEED_FULL: | |
2446 | speed_str = "12"; | |
2447 | break; | |
2448 | case USB_SPEED_HIGH: | |
2449 | speed_str = "480"; | |
2450 | break; | |
2451 | default: | |
2452 | speed_str = "?"; | |
2453 | break; | |
2454 | } | |
2455 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
2456 | 0, dev->addr, speed_str, dev->devname); | |
2457 | } | |
2458 | } | |
2459 | ||
2460 | /***********************************************************/ | |
2461 | /* PCMCIA/Cardbus */ | |
2462 | ||
2463 | static struct pcmcia_socket_entry_s { | |
2464 | struct pcmcia_socket_s *socket; | |
2465 | struct pcmcia_socket_entry_s *next; | |
2466 | } *pcmcia_sockets = 0; | |
2467 | ||
2468 | void pcmcia_socket_register(struct pcmcia_socket_s *socket) | |
2469 | { | |
2470 | struct pcmcia_socket_entry_s *entry; | |
2471 | ||
2472 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2473 | entry->socket = socket; | |
2474 | entry->next = pcmcia_sockets; | |
2475 | pcmcia_sockets = entry; | |
2476 | } | |
2477 | ||
2478 | void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) | |
2479 | { | |
2480 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2481 | ||
2482 | ptr = &pcmcia_sockets; | |
2483 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2484 | if (entry->socket == socket) { | |
2485 | *ptr = entry->next; | |
2486 | qemu_free(entry); | |
2487 | } | |
2488 | } | |
2489 | ||
2490 | void pcmcia_info(void) | |
2491 | { | |
2492 | struct pcmcia_socket_entry_s *iter; | |
2493 | if (!pcmcia_sockets) | |
2494 | term_printf("No PCMCIA sockets\n"); | |
2495 | ||
2496 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
2497 | term_printf("%s: %s\n", iter->socket->slot_string, | |
2498 | iter->socket->attached ? iter->socket->card_string : | |
2499 | "Empty"); | |
2500 | } | |
2501 | ||
2502 | /***********************************************************/ | |
2503 | /* dumb display */ | |
2504 | ||
2505 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
2506 | { | |
2507 | } | |
2508 | ||
2509 | static void dumb_resize(DisplayState *ds, int w, int h) | |
2510 | { | |
2511 | } | |
2512 | ||
2513 | static void dumb_display_init(DisplayState *ds) | |
2514 | { | |
2515 | ds->data = NULL; | |
2516 | ds->linesize = 0; | |
2517 | ds->depth = 0; | |
2518 | ds->dpy_update = dumb_update; | |
2519 | ds->dpy_resize = dumb_resize; | |
2520 | ds->dpy_refresh = NULL; | |
2521 | ds->gui_timer_interval = 0; | |
2522 | ds->idle = 1; | |
2523 | } | |
2524 | ||
2525 | /***********************************************************/ | |
2526 | /* I/O handling */ | |
2527 | ||
2528 | #define MAX_IO_HANDLERS 64 | |
2529 | ||
2530 | typedef struct IOHandlerRecord { | |
2531 | int fd; | |
2532 | IOCanRWHandler *fd_read_poll; | |
2533 | IOHandler *fd_read; | |
2534 | IOHandler *fd_write; | |
2535 | int deleted; | |
2536 | void *opaque; | |
2537 | /* temporary data */ | |
2538 | struct pollfd *ufd; | |
2539 | struct IOHandlerRecord *next; | |
2540 | } IOHandlerRecord; | |
2541 | ||
2542 | static IOHandlerRecord *first_io_handler; | |
2543 | ||
2544 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
2545 | necessary in the character devices to suppress fd_can_read(). */ | |
2546 | int qemu_set_fd_handler2(int fd, | |
2547 | IOCanRWHandler *fd_read_poll, | |
2548 | IOHandler *fd_read, | |
2549 | IOHandler *fd_write, | |
2550 | void *opaque) | |
2551 | { | |
2552 | IOHandlerRecord **pioh, *ioh; | |
2553 | ||
2554 | if (!fd_read && !fd_write) { | |
2555 | pioh = &first_io_handler; | |
2556 | for(;;) { | |
2557 | ioh = *pioh; | |
2558 | if (ioh == NULL) | |
2559 | break; | |
2560 | if (ioh->fd == fd) { | |
2561 | ioh->deleted = 1; | |
2562 | break; | |
2563 | } | |
2564 | pioh = &ioh->next; | |
2565 | } | |
2566 | } else { | |
2567 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2568 | if (ioh->fd == fd) | |
2569 | goto found; | |
2570 | } | |
2571 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
2572 | if (!ioh) | |
2573 | return -1; | |
2574 | ioh->next = first_io_handler; | |
2575 | first_io_handler = ioh; | |
2576 | found: | |
2577 | ioh->fd = fd; | |
2578 | ioh->fd_read_poll = fd_read_poll; | |
2579 | ioh->fd_read = fd_read; | |
2580 | ioh->fd_write = fd_write; | |
2581 | ioh->opaque = opaque; | |
2582 | ioh->deleted = 0; | |
2583 | } | |
2584 | return 0; | |
2585 | } | |
2586 | ||
2587 | int qemu_set_fd_handler(int fd, | |
2588 | IOHandler *fd_read, | |
2589 | IOHandler *fd_write, | |
2590 | void *opaque) | |
2591 | { | |
2592 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
2593 | } | |
2594 | ||
2595 | #ifdef _WIN32 | |
2596 | /***********************************************************/ | |
2597 | /* Polling handling */ | |
2598 | ||
2599 | typedef struct PollingEntry { | |
2600 | PollingFunc *func; | |
2601 | void *opaque; | |
2602 | struct PollingEntry *next; | |
2603 | } PollingEntry; | |
2604 | ||
2605 | static PollingEntry *first_polling_entry; | |
2606 | ||
2607 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2608 | { | |
2609 | PollingEntry **ppe, *pe; | |
2610 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
2611 | if (!pe) | |
2612 | return -1; | |
2613 | pe->func = func; | |
2614 | pe->opaque = opaque; | |
2615 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2616 | *ppe = pe; | |
2617 | return 0; | |
2618 | } | |
2619 | ||
2620 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2621 | { | |
2622 | PollingEntry **ppe, *pe; | |
2623 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2624 | pe = *ppe; | |
2625 | if (pe->func == func && pe->opaque == opaque) { | |
2626 | *ppe = pe->next; | |
2627 | qemu_free(pe); | |
2628 | break; | |
2629 | } | |
2630 | } | |
2631 | } | |
2632 | ||
2633 | /***********************************************************/ | |
2634 | /* Wait objects support */ | |
2635 | typedef struct WaitObjects { | |
2636 | int num; | |
2637 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2638 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2639 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2640 | } WaitObjects; | |
2641 | ||
2642 | static WaitObjects wait_objects = {0}; | |
2643 | ||
2644 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2645 | { | |
2646 | WaitObjects *w = &wait_objects; | |
2647 | ||
2648 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2649 | return -1; | |
2650 | w->events[w->num] = handle; | |
2651 | w->func[w->num] = func; | |
2652 | w->opaque[w->num] = opaque; | |
2653 | w->num++; | |
2654 | return 0; | |
2655 | } | |
2656 | ||
2657 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2658 | { | |
2659 | int i, found; | |
2660 | WaitObjects *w = &wait_objects; | |
2661 | ||
2662 | found = 0; | |
2663 | for (i = 0; i < w->num; i++) { | |
2664 | if (w->events[i] == handle) | |
2665 | found = 1; | |
2666 | if (found) { | |
2667 | w->events[i] = w->events[i + 1]; | |
2668 | w->func[i] = w->func[i + 1]; | |
2669 | w->opaque[i] = w->opaque[i + 1]; | |
2670 | } | |
2671 | } | |
2672 | if (found) | |
2673 | w->num--; | |
2674 | } | |
2675 | #endif | |
2676 | ||
2677 | #define SELF_ANNOUNCE_ROUNDS 5 | |
2678 | #define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */ | |
2679 | //#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */ | |
2680 | #define EXPERIMENTAL_MAGIC 0xf1f23f4f | |
2681 | ||
2682 | static int announce_self_create(uint8_t *buf, | |
2683 | uint8_t *mac_addr) | |
2684 | { | |
2685 | uint32_t magic = EXPERIMENTAL_MAGIC; | |
2686 | uint16_t proto = htons(ETH_P_EXPERIMENTAL); | |
2687 | ||
2688 | /* FIXME: should we send a different packet (arp/rarp/ping)? */ | |
2689 | ||
2690 | memset(buf, 0xff, 6); /* h_dst */ | |
2691 | memcpy(buf + 6, mac_addr, 6); /* h_src */ | |
2692 | memcpy(buf + 12, &proto, 2); /* h_proto */ | |
2693 | memcpy(buf + 14, &magic, 4); /* magic */ | |
2694 | ||
2695 | return 18; /* len */ | |
2696 | } | |
2697 | ||
2698 | void qemu_announce_self(void) | |
2699 | { | |
2700 | int i, j, len; | |
2701 | VLANState *vlan; | |
2702 | VLANClientState *vc; | |
2703 | uint8_t buf[256]; | |
2704 | ||
2705 | for (i = 0; i < nb_nics; i++) { | |
2706 | len = announce_self_create(buf, nd_table[i].macaddr); | |
2707 | vlan = nd_table[i].vlan; | |
2708 | for(vc = vlan->first_client; vc != NULL; vc = vc->next) { | |
2709 | for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++) | |
2710 | vc->fd_read(vc->opaque, buf, len); | |
2711 | } | |
2712 | } | |
2713 | } | |
2714 | ||
2715 | /***********************************************************/ | |
2716 | /* savevm/loadvm support */ | |
2717 | ||
2718 | #define IO_BUF_SIZE 32768 | |
2719 | ||
2720 | struct QEMUFile { | |
2721 | QEMUFilePutBufferFunc *put_buffer; | |
2722 | QEMUFileGetBufferFunc *get_buffer; | |
2723 | QEMUFileCloseFunc *close; | |
2724 | QEMUFileRateLimit *rate_limit; | |
2725 | void *opaque; | |
2726 | int is_write; | |
2727 | ||
2728 | int64_t buf_offset; /* start of buffer when writing, end of buffer | |
2729 | when reading */ | |
2730 | int buf_index; | |
2731 | int buf_size; /* 0 when writing */ | |
2732 | uint8_t buf[IO_BUF_SIZE]; | |
2733 | ||
2734 | int has_error; | |
2735 | }; | |
2736 | ||
2737 | typedef struct QEMUFileSocket | |
2738 | { | |
2739 | int fd; | |
2740 | QEMUFile *file; | |
2741 | } QEMUFileSocket; | |
2742 | ||
2743 | static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
2744 | { | |
2745 | QEMUFileSocket *s = opaque; | |
2746 | ssize_t len; | |
2747 | ||
2748 | do { | |
2749 | len = recv(s->fd, buf, size, 0); | |
2750 | } while (len == -1 && socket_error() == EINTR); | |
2751 | ||
2752 | if (len == -1) | |
2753 | len = -socket_error(); | |
2754 | ||
2755 | return len; | |
2756 | } | |
2757 | ||
2758 | static int socket_close(void *opaque) | |
2759 | { | |
2760 | QEMUFileSocket *s = opaque; | |
2761 | qemu_free(s); | |
2762 | return 0; | |
2763 | } | |
2764 | ||
2765 | QEMUFile *qemu_fopen_socket(int fd) | |
2766 | { | |
2767 | QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket)); | |
2768 | ||
2769 | if (s == NULL) | |
2770 | return NULL; | |
2771 | ||
2772 | s->fd = fd; | |
2773 | s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL); | |
2774 | return s->file; | |
2775 | } | |
2776 | ||
2777 | typedef struct QEMUFileStdio | |
2778 | { | |
2779 | FILE *outfile; | |
2780 | } QEMUFileStdio; | |
2781 | ||
2782 | static int file_put_buffer(void *opaque, const uint8_t *buf, | |
2783 | int64_t pos, int size) | |
2784 | { | |
2785 | QEMUFileStdio *s = opaque; | |
2786 | fseek(s->outfile, pos, SEEK_SET); | |
2787 | fwrite(buf, 1, size, s->outfile); | |
2788 | return size; | |
2789 | } | |
2790 | ||
2791 | static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
2792 | { | |
2793 | QEMUFileStdio *s = opaque; | |
2794 | fseek(s->outfile, pos, SEEK_SET); | |
2795 | return fread(buf, 1, size, s->outfile); | |
2796 | } | |
2797 | ||
2798 | static int file_close(void *opaque) | |
2799 | { | |
2800 | QEMUFileStdio *s = opaque; | |
2801 | fclose(s->outfile); | |
2802 | qemu_free(s); | |
2803 | return 0; | |
2804 | } | |
2805 | ||
2806 | QEMUFile *qemu_fopen(const char *filename, const char *mode) | |
2807 | { | |
2808 | QEMUFileStdio *s; | |
2809 | ||
2810 | s = qemu_mallocz(sizeof(QEMUFileStdio)); | |
2811 | if (!s) | |
2812 | return NULL; | |
2813 | ||
2814 | s->outfile = fopen(filename, mode); | |
2815 | if (!s->outfile) | |
2816 | goto fail; | |
2817 | ||
2818 | if (!strcmp(mode, "wb")) | |
2819 | return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL); | |
2820 | else if (!strcmp(mode, "rb")) | |
2821 | return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL); | |
2822 | ||
2823 | fail: | |
2824 | if (s->outfile) | |
2825 | fclose(s->outfile); | |
2826 | qemu_free(s); | |
2827 | return NULL; | |
2828 | } | |
2829 | ||
2830 | typedef struct QEMUFileBdrv | |
2831 | { | |
2832 | BlockDriverState *bs; | |
2833 | int64_t base_offset; | |
2834 | } QEMUFileBdrv; | |
2835 | ||
2836 | static int bdrv_put_buffer(void *opaque, const uint8_t *buf, | |
2837 | int64_t pos, int size) | |
2838 | { | |
2839 | QEMUFileBdrv *s = opaque; | |
2840 | bdrv_pwrite(s->bs, s->base_offset + pos, buf, size); | |
2841 | return size; | |
2842 | } | |
2843 | ||
2844 | static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size) | |
2845 | { | |
2846 | QEMUFileBdrv *s = opaque; | |
2847 | return bdrv_pread(s->bs, s->base_offset + pos, buf, size); | |
2848 | } | |
2849 | ||
2850 | static int bdrv_fclose(void *opaque) | |
2851 | { | |
2852 | QEMUFileBdrv *s = opaque; | |
2853 | qemu_free(s); | |
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) | |
2858 | { | |
2859 | QEMUFileBdrv *s; | |
2860 | ||
2861 | s = qemu_mallocz(sizeof(QEMUFileBdrv)); | |
2862 | if (!s) | |
2863 | return NULL; | |
2864 | ||
2865 | s->bs = bs; | |
2866 | s->base_offset = offset; | |
2867 | ||
2868 | if (is_writable) | |
2869 | return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL); | |
2870 | ||
2871 | return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL); | |
2872 | } | |
2873 | ||
2874 | QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer, | |
2875 | QEMUFileGetBufferFunc *get_buffer, | |
2876 | QEMUFileCloseFunc *close, | |
2877 | QEMUFileRateLimit *rate_limit) | |
2878 | { | |
2879 | QEMUFile *f; | |
2880 | ||
2881 | f = qemu_mallocz(sizeof(QEMUFile)); | |
2882 | if (!f) | |
2883 | return NULL; | |
2884 | ||
2885 | f->opaque = opaque; | |
2886 | f->put_buffer = put_buffer; | |
2887 | f->get_buffer = get_buffer; | |
2888 | f->close = close; | |
2889 | f->rate_limit = rate_limit; | |
2890 | f->is_write = 0; | |
2891 | ||
2892 | return f; | |
2893 | } | |
2894 | ||
2895 | int qemu_file_has_error(QEMUFile *f) | |
2896 | { | |
2897 | return f->has_error; | |
2898 | } | |
2899 | ||
2900 | void qemu_fflush(QEMUFile *f) | |
2901 | { | |
2902 | if (!f->put_buffer) | |
2903 | return; | |
2904 | ||
2905 | if (f->is_write && f->buf_index > 0) { | |
2906 | int len; | |
2907 | ||
2908 | len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index); | |
2909 | if (len > 0) | |
2910 | f->buf_offset += f->buf_index; | |
2911 | else | |
2912 | f->has_error = 1; | |
2913 | f->buf_index = 0; | |
2914 | } | |
2915 | } | |
2916 | ||
2917 | static void qemu_fill_buffer(QEMUFile *f) | |
2918 | { | |
2919 | int len; | |
2920 | ||
2921 | if (!f->get_buffer) | |
2922 | return; | |
2923 | ||
2924 | if (f->is_write) | |
2925 | abort(); | |
2926 | ||
2927 | len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE); | |
2928 | if (len > 0) { | |
2929 | f->buf_index = 0; | |
2930 | f->buf_size = len; | |
2931 | f->buf_offset += len; | |
2932 | } else if (len != -EAGAIN) | |
2933 | f->has_error = 1; | |
2934 | } | |
2935 | ||
2936 | int qemu_fclose(QEMUFile *f) | |
2937 | { | |
2938 | int ret = 0; | |
2939 | qemu_fflush(f); | |
2940 | if (f->close) | |
2941 | ret = f->close(f->opaque); | |
2942 | qemu_free(f); | |
2943 | return ret; | |
2944 | } | |
2945 | ||
2946 | void qemu_file_put_notify(QEMUFile *f) | |
2947 | { | |
2948 | f->put_buffer(f->opaque, NULL, 0, 0); | |
2949 | } | |
2950 | ||
2951 | void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) | |
2952 | { | |
2953 | int l; | |
2954 | ||
2955 | if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { | |
2956 | fprintf(stderr, | |
2957 | "Attempted to write to buffer while read buffer is not empty\n"); | |
2958 | abort(); | |
2959 | } | |
2960 | ||
2961 | while (!f->has_error && size > 0) { | |
2962 | l = IO_BUF_SIZE - f->buf_index; | |
2963 | if (l > size) | |
2964 | l = size; | |
2965 | memcpy(f->buf + f->buf_index, buf, l); | |
2966 | f->is_write = 1; | |
2967 | f->buf_index += l; | |
2968 | buf += l; | |
2969 | size -= l; | |
2970 | if (f->buf_index >= IO_BUF_SIZE) | |
2971 | qemu_fflush(f); | |
2972 | } | |
2973 | } | |
2974 | ||
2975 | void qemu_put_byte(QEMUFile *f, int v) | |
2976 | { | |
2977 | if (!f->has_error && f->is_write == 0 && f->buf_index > 0) { | |
2978 | fprintf(stderr, | |
2979 | "Attempted to write to buffer while read buffer is not empty\n"); | |
2980 | abort(); | |
2981 | } | |
2982 | ||
2983 | f->buf[f->buf_index++] = v; | |
2984 | f->is_write = 1; | |
2985 | if (f->buf_index >= IO_BUF_SIZE) | |
2986 | qemu_fflush(f); | |
2987 | } | |
2988 | ||
2989 | int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) | |
2990 | { | |
2991 | int size, l; | |
2992 | ||
2993 | if (f->is_write) | |
2994 | abort(); | |
2995 | ||
2996 | size = size1; | |
2997 | while (size > 0) { | |
2998 | l = f->buf_size - f->buf_index; | |
2999 | if (l == 0) { | |
3000 | qemu_fill_buffer(f); | |
3001 | l = f->buf_size - f->buf_index; | |
3002 | if (l == 0) | |
3003 | break; | |
3004 | } | |
3005 | if (l > size) | |
3006 | l = size; | |
3007 | memcpy(buf, f->buf + f->buf_index, l); | |
3008 | f->buf_index += l; | |
3009 | buf += l; | |
3010 | size -= l; | |
3011 | } | |
3012 | return size1 - size; | |
3013 | } | |
3014 | ||
3015 | int qemu_get_byte(QEMUFile *f) | |
3016 | { | |
3017 | if (f->is_write) | |
3018 | abort(); | |
3019 | ||
3020 | if (f->buf_index >= f->buf_size) { | |
3021 | qemu_fill_buffer(f); | |
3022 | if (f->buf_index >= f->buf_size) | |
3023 | return 0; | |
3024 | } | |
3025 | return f->buf[f->buf_index++]; | |
3026 | } | |
3027 | ||
3028 | int64_t qemu_ftell(QEMUFile *f) | |
3029 | { | |
3030 | return f->buf_offset - f->buf_size + f->buf_index; | |
3031 | } | |
3032 | ||
3033 | int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) | |
3034 | { | |
3035 | if (whence == SEEK_SET) { | |
3036 | /* nothing to do */ | |
3037 | } else if (whence == SEEK_CUR) { | |
3038 | pos += qemu_ftell(f); | |
3039 | } else { | |
3040 | /* SEEK_END not supported */ | |
3041 | return -1; | |
3042 | } | |
3043 | if (f->put_buffer) { | |
3044 | qemu_fflush(f); | |
3045 | f->buf_offset = pos; | |
3046 | } else { | |
3047 | f->buf_offset = pos; | |
3048 | f->buf_index = 0; | |
3049 | f->buf_size = 0; | |
3050 | } | |
3051 | return pos; | |
3052 | } | |
3053 | ||
3054 | int qemu_file_rate_limit(QEMUFile *f) | |
3055 | { | |
3056 | if (f->rate_limit) | |
3057 | return f->rate_limit(f->opaque); | |
3058 | ||
3059 | return 0; | |
3060 | } | |
3061 | ||
3062 | void qemu_put_be16(QEMUFile *f, unsigned int v) | |
3063 | { | |
3064 | qemu_put_byte(f, v >> 8); | |
3065 | qemu_put_byte(f, v); | |
3066 | } | |
3067 | ||
3068 | void qemu_put_be32(QEMUFile *f, unsigned int v) | |
3069 | { | |
3070 | qemu_put_byte(f, v >> 24); | |
3071 | qemu_put_byte(f, v >> 16); | |
3072 | qemu_put_byte(f, v >> 8); | |
3073 | qemu_put_byte(f, v); | |
3074 | } | |
3075 | ||
3076 | void qemu_put_be64(QEMUFile *f, uint64_t v) | |
3077 | { | |
3078 | qemu_put_be32(f, v >> 32); | |
3079 | qemu_put_be32(f, v); | |
3080 | } | |
3081 | ||
3082 | unsigned int qemu_get_be16(QEMUFile *f) | |
3083 | { | |
3084 | unsigned int v; | |
3085 | v = qemu_get_byte(f) << 8; | |
3086 | v |= qemu_get_byte(f); | |
3087 | return v; | |
3088 | } | |
3089 | ||
3090 | unsigned int qemu_get_be32(QEMUFile *f) | |
3091 | { | |
3092 | unsigned int v; | |
3093 | v = qemu_get_byte(f) << 24; | |
3094 | v |= qemu_get_byte(f) << 16; | |
3095 | v |= qemu_get_byte(f) << 8; | |
3096 | v |= qemu_get_byte(f); | |
3097 | return v; | |
3098 | } | |
3099 | ||
3100 | uint64_t qemu_get_be64(QEMUFile *f) | |
3101 | { | |
3102 | uint64_t v; | |
3103 | v = (uint64_t)qemu_get_be32(f) << 32; | |
3104 | v |= qemu_get_be32(f); | |
3105 | return v; | |
3106 | } | |
3107 | ||
3108 | typedef struct SaveStateEntry { | |
3109 | char idstr[256]; | |
3110 | int instance_id; | |
3111 | int version_id; | |
3112 | int section_id; | |
3113 | SaveLiveStateHandler *save_live_state; | |
3114 | SaveStateHandler *save_state; | |
3115 | LoadStateHandler *load_state; | |
3116 | void *opaque; | |
3117 | struct SaveStateEntry *next; | |
3118 | } SaveStateEntry; | |
3119 | ||
3120 | static SaveStateEntry *first_se; | |
3121 | ||
3122 | /* TODO: Individual devices generally have very little idea about the rest | |
3123 | of the system, so instance_id should be removed/replaced. | |
3124 | Meanwhile pass -1 as instance_id if you do not already have a clearly | |
3125 | distinguishing id for all instances of your device class. */ | |
3126 | int register_savevm_live(const char *idstr, | |
3127 | int instance_id, | |
3128 | int version_id, | |
3129 | SaveLiveStateHandler *save_live_state, | |
3130 | SaveStateHandler *save_state, | |
3131 | LoadStateHandler *load_state, | |
3132 | void *opaque) | |
3133 | { | |
3134 | SaveStateEntry *se, **pse; | |
3135 | static int global_section_id; | |
3136 | ||
3137 | se = qemu_malloc(sizeof(SaveStateEntry)); | |
3138 | if (!se) | |
3139 | return -1; | |
3140 | pstrcpy(se->idstr, sizeof(se->idstr), idstr); | |
3141 | se->instance_id = (instance_id == -1) ? 0 : instance_id; | |
3142 | se->version_id = version_id; | |
3143 | se->section_id = global_section_id++; | |
3144 | se->save_live_state = save_live_state; | |
3145 | se->save_state = save_state; | |
3146 | se->load_state = load_state; | |
3147 | se->opaque = opaque; | |
3148 | se->next = NULL; | |
3149 | ||
3150 | /* add at the end of list */ | |
3151 | pse = &first_se; | |
3152 | while (*pse != NULL) { | |
3153 | if (instance_id == -1 | |
3154 | && strcmp(se->idstr, (*pse)->idstr) == 0 | |
3155 | && se->instance_id <= (*pse)->instance_id) | |
3156 | se->instance_id = (*pse)->instance_id + 1; | |
3157 | pse = &(*pse)->next; | |
3158 | } | |
3159 | *pse = se; | |
3160 | return 0; | |
3161 | } | |
3162 | ||
3163 | int register_savevm(const char *idstr, | |
3164 | int instance_id, | |
3165 | int version_id, | |
3166 | SaveStateHandler *save_state, | |
3167 | LoadStateHandler *load_state, | |
3168 | void *opaque) | |
3169 | { | |
3170 | return register_savevm_live(idstr, instance_id, version_id, | |
3171 | NULL, save_state, load_state, opaque); | |
3172 | } | |
3173 | ||
3174 | #define QEMU_VM_FILE_MAGIC 0x5145564d | |
3175 | #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002 | |
3176 | #define QEMU_VM_FILE_VERSION 0x00000003 | |
3177 | ||
3178 | #define QEMU_VM_EOF 0x00 | |
3179 | #define QEMU_VM_SECTION_START 0x01 | |
3180 | #define QEMU_VM_SECTION_PART 0x02 | |
3181 | #define QEMU_VM_SECTION_END 0x03 | |
3182 | #define QEMU_VM_SECTION_FULL 0x04 | |
3183 | ||
3184 | int qemu_savevm_state_begin(QEMUFile *f) | |
3185 | { | |
3186 | SaveStateEntry *se; | |
3187 | ||
3188 | qemu_put_be32(f, QEMU_VM_FILE_MAGIC); | |
3189 | qemu_put_be32(f, QEMU_VM_FILE_VERSION); | |
3190 | ||
3191 | for (se = first_se; se != NULL; se = se->next) { | |
3192 | int len; | |
3193 | ||
3194 | if (se->save_live_state == NULL) | |
3195 | continue; | |
3196 | ||
3197 | /* Section type */ | |
3198 | qemu_put_byte(f, QEMU_VM_SECTION_START); | |
3199 | qemu_put_be32(f, se->section_id); | |
3200 | ||
3201 | /* ID string */ | |
3202 | len = strlen(se->idstr); | |
3203 | qemu_put_byte(f, len); | |
3204 | qemu_put_buffer(f, (uint8_t *)se->idstr, len); | |
3205 | ||
3206 | qemu_put_be32(f, se->instance_id); | |
3207 | qemu_put_be32(f, se->version_id); | |
3208 | ||
3209 | se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque); | |
3210 | } | |
3211 | ||
3212 | if (qemu_file_has_error(f)) | |
3213 | return -EIO; | |
3214 | ||
3215 | return 0; | |
3216 | } | |
3217 | ||
3218 | int qemu_savevm_state_iterate(QEMUFile *f) | |
3219 | { | |
3220 | SaveStateEntry *se; | |
3221 | int ret = 1; | |
3222 | ||
3223 | for (se = first_se; se != NULL; se = se->next) { | |
3224 | if (se->save_live_state == NULL) | |
3225 | continue; | |
3226 | ||
3227 | /* Section type */ | |
3228 | qemu_put_byte(f, QEMU_VM_SECTION_PART); | |
3229 | qemu_put_be32(f, se->section_id); | |
3230 | ||
3231 | ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque); | |
3232 | } | |
3233 | ||
3234 | if (ret) | |
3235 | return 1; | |
3236 | ||
3237 | if (qemu_file_has_error(f)) | |
3238 | return -EIO; | |
3239 | ||
3240 | return 0; | |
3241 | } | |
3242 | ||
3243 | int qemu_savevm_state_complete(QEMUFile *f) | |
3244 | { | |
3245 | SaveStateEntry *se; | |
3246 | ||
3247 | for (se = first_se; se != NULL; se = se->next) { | |
3248 | if (se->save_live_state == NULL) | |
3249 | continue; | |
3250 | ||
3251 | /* Section type */ | |
3252 | qemu_put_byte(f, QEMU_VM_SECTION_END); | |
3253 | qemu_put_be32(f, se->section_id); | |
3254 | ||
3255 | se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque); | |
3256 | } | |
3257 | ||
3258 | for(se = first_se; se != NULL; se = se->next) { | |
3259 | int len; | |
3260 | ||
3261 | if (se->save_state == NULL) | |
3262 | continue; | |
3263 | ||
3264 | /* Section type */ | |
3265 | qemu_put_byte(f, QEMU_VM_SECTION_FULL); | |
3266 | qemu_put_be32(f, se->section_id); | |
3267 | ||
3268 | /* ID string */ | |
3269 | len = strlen(se->idstr); | |
3270 | qemu_put_byte(f, len); | |
3271 | qemu_put_buffer(f, (uint8_t *)se->idstr, len); | |
3272 | ||
3273 | qemu_put_be32(f, se->instance_id); | |
3274 | qemu_put_be32(f, se->version_id); | |
3275 | ||
3276 | se->save_state(f, se->opaque); | |
3277 | } | |
3278 | ||
3279 | qemu_put_byte(f, QEMU_VM_EOF); | |
3280 | ||
3281 | if (qemu_file_has_error(f)) | |
3282 | return -EIO; | |
3283 | ||
3284 | return 0; | |
3285 | } | |
3286 | ||
3287 | int qemu_savevm_state(QEMUFile *f) | |
3288 | { | |
3289 | int saved_vm_running; | |
3290 | int ret; | |
3291 | ||
3292 | saved_vm_running = vm_running; | |
3293 | vm_stop(0); | |
3294 | ||
3295 | bdrv_flush_all(); | |
3296 | ||
3297 | ret = qemu_savevm_state_begin(f); | |
3298 | if (ret < 0) | |
3299 | goto out; | |
3300 | ||
3301 | do { | |
3302 | ret = qemu_savevm_state_iterate(f); | |
3303 | if (ret < 0) | |
3304 | goto out; | |
3305 | } while (ret == 0); | |
3306 | ||
3307 | ret = qemu_savevm_state_complete(f); | |
3308 | ||
3309 | out: | |
3310 | if (qemu_file_has_error(f)) | |
3311 | ret = -EIO; | |
3312 | ||
3313 | if (!ret && saved_vm_running) | |
3314 | vm_start(); | |
3315 | ||
3316 | return ret; | |
3317 | } | |
3318 | ||
3319 | static SaveStateEntry *find_se(const char *idstr, int instance_id) | |
3320 | { | |
3321 | SaveStateEntry *se; | |
3322 | ||
3323 | for(se = first_se; se != NULL; se = se->next) { | |
3324 | if (!strcmp(se->idstr, idstr) && | |
3325 | instance_id == se->instance_id) | |
3326 | return se; | |
3327 | } | |
3328 | return NULL; | |
3329 | } | |
3330 | ||
3331 | typedef struct LoadStateEntry { | |
3332 | SaveStateEntry *se; | |
3333 | int section_id; | |
3334 | int version_id; | |
3335 | struct LoadStateEntry *next; | |
3336 | } LoadStateEntry; | |
3337 | ||
3338 | static int qemu_loadvm_state_v2(QEMUFile *f) | |
3339 | { | |
3340 | SaveStateEntry *se; | |
3341 | int len, ret, instance_id, record_len, version_id; | |
3342 | int64_t total_len, end_pos, cur_pos; | |
3343 | char idstr[256]; | |
3344 | ||
3345 | total_len = qemu_get_be64(f); | |
3346 | end_pos = total_len + qemu_ftell(f); | |
3347 | for(;;) { | |
3348 | if (qemu_ftell(f) >= end_pos) | |
3349 | break; | |
3350 | len = qemu_get_byte(f); | |
3351 | qemu_get_buffer(f, (uint8_t *)idstr, len); | |
3352 | idstr[len] = '\0'; | |
3353 | instance_id = qemu_get_be32(f); | |
3354 | version_id = qemu_get_be32(f); | |
3355 | record_len = qemu_get_be32(f); | |
3356 | cur_pos = qemu_ftell(f); | |
3357 | se = find_se(idstr, instance_id); | |
3358 | if (!se) { | |
3359 | fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", | |
3360 | instance_id, idstr); | |
3361 | } else { | |
3362 | ret = se->load_state(f, se->opaque, version_id); | |
3363 | if (ret < 0) { | |
3364 | fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", | |
3365 | instance_id, idstr); | |
3366 | } | |
3367 | } | |
3368 | /* always seek to exact end of record */ | |
3369 | qemu_fseek(f, cur_pos + record_len, SEEK_SET); | |
3370 | } | |
3371 | ||
3372 | if (qemu_file_has_error(f)) | |
3373 | return -EIO; | |
3374 | ||
3375 | return 0; | |
3376 | } | |
3377 | ||
3378 | int qemu_loadvm_state(QEMUFile *f) | |
3379 | { | |
3380 | LoadStateEntry *first_le = NULL; | |
3381 | uint8_t section_type; | |
3382 | unsigned int v; | |
3383 | int ret; | |
3384 | ||
3385 | v = qemu_get_be32(f); | |
3386 | if (v != QEMU_VM_FILE_MAGIC) | |
3387 | return -EINVAL; | |
3388 | ||
3389 | v = qemu_get_be32(f); | |
3390 | if (v == QEMU_VM_FILE_VERSION_COMPAT) | |
3391 | return qemu_loadvm_state_v2(f); | |
3392 | if (v != QEMU_VM_FILE_VERSION) | |
3393 | return -ENOTSUP; | |
3394 | ||
3395 | while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) { | |
3396 | uint32_t instance_id, version_id, section_id; | |
3397 | LoadStateEntry *le; | |
3398 | SaveStateEntry *se; | |
3399 | char idstr[257]; | |
3400 | int len; | |
3401 | ||
3402 | switch (section_type) { | |
3403 | case QEMU_VM_SECTION_START: | |
3404 | case QEMU_VM_SECTION_FULL: | |
3405 | /* Read section start */ | |
3406 | section_id = qemu_get_be32(f); | |
3407 | len = qemu_get_byte(f); | |
3408 | qemu_get_buffer(f, (uint8_t *)idstr, len); | |
3409 | idstr[len] = 0; | |
3410 | instance_id = qemu_get_be32(f); | |
3411 | version_id = qemu_get_be32(f); | |
3412 | ||
3413 | /* Find savevm section */ | |
3414 | se = find_se(idstr, instance_id); | |
3415 | if (se == NULL) { | |
3416 | fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id); | |
3417 | ret = -EINVAL; | |
3418 | goto out; | |
3419 | } | |
3420 | ||
3421 | /* Validate version */ | |
3422 | if (version_id > se->version_id) { | |
3423 | fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n", | |
3424 | version_id, idstr, se->version_id); | |
3425 | ret = -EINVAL; | |
3426 | goto out; | |
3427 | } | |
3428 | ||
3429 | /* Add entry */ | |
3430 | le = qemu_mallocz(sizeof(*le)); | |
3431 | if (le == NULL) { | |
3432 | ret = -ENOMEM; | |
3433 | goto out; | |
3434 | } | |
3435 | ||
3436 | le->se = se; | |
3437 | le->section_id = section_id; | |
3438 | le->version_id = version_id; | |
3439 | le->next = first_le; | |
3440 | first_le = le; | |
3441 | ||
3442 | le->se->load_state(f, le->se->opaque, le->version_id); | |
3443 | break; | |
3444 | case QEMU_VM_SECTION_PART: | |
3445 | case QEMU_VM_SECTION_END: | |
3446 | section_id = qemu_get_be32(f); | |
3447 | ||
3448 | for (le = first_le; le && le->section_id != section_id; le = le->next); | |
3449 | if (le == NULL) { | |
3450 | fprintf(stderr, "Unknown savevm section %d\n", section_id); | |
3451 | ret = -EINVAL; | |
3452 | goto out; | |
3453 | } | |
3454 | ||
3455 | le->se->load_state(f, le->se->opaque, le->version_id); | |
3456 | break; | |
3457 | default: | |
3458 | fprintf(stderr, "Unknown savevm section type %d\n", section_type); | |
3459 | ret = -EINVAL; | |
3460 | goto out; | |
3461 | } | |
3462 | } | |
3463 | ||
3464 | ret = 0; | |
3465 | ||
3466 | out: | |
3467 | while (first_le) { | |
3468 | LoadStateEntry *le = first_le; | |
3469 | first_le = first_le->next; | |
3470 | qemu_free(le); | |
3471 | } | |
3472 | ||
3473 | if (qemu_file_has_error(f)) | |
3474 | ret = -EIO; | |
3475 | ||
3476 | return ret; | |
3477 | } | |
3478 | ||
3479 | /* device can contain snapshots */ | |
3480 | static int bdrv_can_snapshot(BlockDriverState *bs) | |
3481 | { | |
3482 | return (bs && | |
3483 | !bdrv_is_removable(bs) && | |
3484 | !bdrv_is_read_only(bs)); | |
3485 | } | |
3486 | ||
3487 | /* device must be snapshots in order to have a reliable snapshot */ | |
3488 | static int bdrv_has_snapshot(BlockDriverState *bs) | |
3489 | { | |
3490 | return (bs && | |
3491 | !bdrv_is_removable(bs) && | |
3492 | !bdrv_is_read_only(bs)); | |
3493 | } | |
3494 | ||
3495 | static BlockDriverState *get_bs_snapshots(void) | |
3496 | { | |
3497 | BlockDriverState *bs; | |
3498 | int i; | |
3499 | ||
3500 | if (bs_snapshots) | |
3501 | return bs_snapshots; | |
3502 | for(i = 0; i <= nb_drives; i++) { | |
3503 | bs = drives_table[i].bdrv; | |
3504 | if (bdrv_can_snapshot(bs)) | |
3505 | goto ok; | |
3506 | } | |
3507 | return NULL; | |
3508 | ok: | |
3509 | bs_snapshots = bs; | |
3510 | return bs; | |
3511 | } | |
3512 | ||
3513 | static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, | |
3514 | const char *name) | |
3515 | { | |
3516 | QEMUSnapshotInfo *sn_tab, *sn; | |
3517 | int nb_sns, i, ret; | |
3518 | ||
3519 | ret = -ENOENT; | |
3520 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
3521 | if (nb_sns < 0) | |
3522 | return ret; | |
3523 | for(i = 0; i < nb_sns; i++) { | |
3524 | sn = &sn_tab[i]; | |
3525 | if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { | |
3526 | *sn_info = *sn; | |
3527 | ret = 0; | |
3528 | break; | |
3529 | } | |
3530 | } | |
3531 | qemu_free(sn_tab); | |
3532 | return ret; | |
3533 | } | |
3534 | ||
3535 | void do_savevm(const char *name) | |
3536 | { | |
3537 | BlockDriverState *bs, *bs1; | |
3538 | QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; | |
3539 | int must_delete, ret, i; | |
3540 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
3541 | QEMUFile *f; | |
3542 | int saved_vm_running; | |
3543 | #ifdef _WIN32 | |
3544 | struct _timeb tb; | |
3545 | #else | |
3546 | struct timeval tv; | |
3547 | #endif | |
3548 | ||
3549 | bs = get_bs_snapshots(); | |
3550 | if (!bs) { | |
3551 | term_printf("No block device can accept snapshots\n"); | |
3552 | return; | |
3553 | } | |
3554 | ||
3555 | /* ??? Should this occur after vm_stop? */ | |
3556 | qemu_aio_flush(); | |
3557 | ||
3558 | saved_vm_running = vm_running; | |
3559 | vm_stop(0); | |
3560 | ||
3561 | must_delete = 0; | |
3562 | if (name) { | |
3563 | ret = bdrv_snapshot_find(bs, old_sn, name); | |
3564 | if (ret >= 0) { | |
3565 | must_delete = 1; | |
3566 | } | |
3567 | } | |
3568 | memset(sn, 0, sizeof(*sn)); | |
3569 | if (must_delete) { | |
3570 | pstrcpy(sn->name, sizeof(sn->name), old_sn->name); | |
3571 | pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); | |
3572 | } else { | |
3573 | if (name) | |
3574 | pstrcpy(sn->name, sizeof(sn->name), name); | |
3575 | } | |
3576 | ||
3577 | /* fill auxiliary fields */ | |
3578 | #ifdef _WIN32 | |
3579 | _ftime(&tb); | |
3580 | sn->date_sec = tb.time; | |
3581 | sn->date_nsec = tb.millitm * 1000000; | |
3582 | #else | |
3583 | gettimeofday(&tv, NULL); | |
3584 | sn->date_sec = tv.tv_sec; | |
3585 | sn->date_nsec = tv.tv_usec * 1000; | |
3586 | #endif | |
3587 | sn->vm_clock_nsec = qemu_get_clock(vm_clock); | |
3588 | ||
3589 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
3590 | term_printf("Device %s does not support VM state snapshots\n", | |
3591 | bdrv_get_device_name(bs)); | |
3592 | goto the_end; | |
3593 | } | |
3594 | ||
3595 | /* save the VM state */ | |
3596 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); | |
3597 | if (!f) { | |
3598 | term_printf("Could not open VM state file\n"); | |
3599 | goto the_end; | |
3600 | } | |
3601 | ret = qemu_savevm_state(f); | |
3602 | sn->vm_state_size = qemu_ftell(f); | |
3603 | qemu_fclose(f); | |
3604 | if (ret < 0) { | |
3605 | term_printf("Error %d while writing VM\n", ret); | |
3606 | goto the_end; | |
3607 | } | |
3608 | ||
3609 | /* create the snapshots */ | |
3610 | ||
3611 | for(i = 0; i < nb_drives; i++) { | |
3612 | bs1 = drives_table[i].bdrv; | |
3613 | if (bdrv_has_snapshot(bs1)) { | |
3614 | if (must_delete) { | |
3615 | ret = bdrv_snapshot_delete(bs1, old_sn->id_str); | |
3616 | if (ret < 0) { | |
3617 | term_printf("Error while deleting snapshot on '%s'\n", | |
3618 | bdrv_get_device_name(bs1)); | |
3619 | } | |
3620 | } | |
3621 | ret = bdrv_snapshot_create(bs1, sn); | |
3622 | if (ret < 0) { | |
3623 | term_printf("Error while creating snapshot on '%s'\n", | |
3624 | bdrv_get_device_name(bs1)); | |
3625 | } | |
3626 | } | |
3627 | } | |
3628 | ||
3629 | the_end: | |
3630 | if (saved_vm_running) | |
3631 | vm_start(); | |
3632 | } | |
3633 | ||
3634 | void do_loadvm(const char *name) | |
3635 | { | |
3636 | BlockDriverState *bs, *bs1; | |
3637 | BlockDriverInfo bdi1, *bdi = &bdi1; | |
3638 | QEMUFile *f; | |
3639 | int i, ret; | |
3640 | int saved_vm_running; | |
3641 | ||
3642 | bs = get_bs_snapshots(); | |
3643 | if (!bs) { | |
3644 | term_printf("No block device supports snapshots\n"); | |
3645 | return; | |
3646 | } | |
3647 | ||
3648 | /* Flush all IO requests so they don't interfere with the new state. */ | |
3649 | qemu_aio_flush(); | |
3650 | ||
3651 | saved_vm_running = vm_running; | |
3652 | vm_stop(0); | |
3653 | ||
3654 | for(i = 0; i <= nb_drives; i++) { | |
3655 | bs1 = drives_table[i].bdrv; | |
3656 | if (bdrv_has_snapshot(bs1)) { | |
3657 | ret = bdrv_snapshot_goto(bs1, name); | |
3658 | if (ret < 0) { | |
3659 | if (bs != bs1) | |
3660 | term_printf("Warning: "); | |
3661 | switch(ret) { | |
3662 | case -ENOTSUP: | |
3663 | term_printf("Snapshots not supported on device '%s'\n", | |
3664 | bdrv_get_device_name(bs1)); | |
3665 | break; | |
3666 | case -ENOENT: | |
3667 | term_printf("Could not find snapshot '%s' on device '%s'\n", | |
3668 | name, bdrv_get_device_name(bs1)); | |
3669 | break; | |
3670 | default: | |
3671 | term_printf("Error %d while activating snapshot on '%s'\n", | |
3672 | ret, bdrv_get_device_name(bs1)); | |
3673 | break; | |
3674 | } | |
3675 | /* fatal on snapshot block device */ | |
3676 | if (bs == bs1) | |
3677 | goto the_end; | |
3678 | } | |
3679 | } | |
3680 | } | |
3681 | ||
3682 | if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { | |
3683 | term_printf("Device %s does not support VM state snapshots\n", | |
3684 | bdrv_get_device_name(bs)); | |
3685 | return; | |
3686 | } | |
3687 | ||
3688 | /* restore the VM state */ | |
3689 | f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); | |
3690 | if (!f) { | |
3691 | term_printf("Could not open VM state file\n"); | |
3692 | goto the_end; | |
3693 | } | |
3694 | ret = qemu_loadvm_state(f); | |
3695 | qemu_fclose(f); | |
3696 | if (ret < 0) { | |
3697 | term_printf("Error %d while loading VM state\n", ret); | |
3698 | } | |
3699 | the_end: | |
3700 | if (saved_vm_running) | |
3701 | vm_start(); | |
3702 | } | |
3703 | ||
3704 | void do_delvm(const char *name) | |
3705 | { | |
3706 | BlockDriverState *bs, *bs1; | |
3707 | int i, ret; | |
3708 | ||
3709 | bs = get_bs_snapshots(); | |
3710 | if (!bs) { | |
3711 | term_printf("No block device supports snapshots\n"); | |
3712 | return; | |
3713 | } | |
3714 | ||
3715 | for(i = 0; i <= nb_drives; i++) { | |
3716 | bs1 = drives_table[i].bdrv; | |
3717 | if (bdrv_has_snapshot(bs1)) { | |
3718 | ret = bdrv_snapshot_delete(bs1, name); | |
3719 | if (ret < 0) { | |
3720 | if (ret == -ENOTSUP) | |
3721 | term_printf("Snapshots not supported on device '%s'\n", | |
3722 | bdrv_get_device_name(bs1)); | |
3723 | else | |
3724 | term_printf("Error %d while deleting snapshot on '%s'\n", | |
3725 | ret, bdrv_get_device_name(bs1)); | |
3726 | } | |
3727 | } | |
3728 | } | |
3729 | } | |
3730 | ||
3731 | void do_info_snapshots(void) | |
3732 | { | |
3733 | BlockDriverState *bs, *bs1; | |
3734 | QEMUSnapshotInfo *sn_tab, *sn; | |
3735 | int nb_sns, i; | |
3736 | char buf[256]; | |
3737 | ||
3738 | bs = get_bs_snapshots(); | |
3739 | if (!bs) { | |
3740 | term_printf("No available block device supports snapshots\n"); | |
3741 | return; | |
3742 | } | |
3743 | term_printf("Snapshot devices:"); | |
3744 | for(i = 0; i <= nb_drives; i++) { | |
3745 | bs1 = drives_table[i].bdrv; | |
3746 | if (bdrv_has_snapshot(bs1)) { | |
3747 | if (bs == bs1) | |
3748 | term_printf(" %s", bdrv_get_device_name(bs1)); | |
3749 | } | |
3750 | } | |
3751 | term_printf("\n"); | |
3752 | ||
3753 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
3754 | if (nb_sns < 0) { | |
3755 | term_printf("bdrv_snapshot_list: error %d\n", nb_sns); | |
3756 | return; | |
3757 | } | |
3758 | term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); | |
3759 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
3760 | for(i = 0; i < nb_sns; i++) { | |
3761 | sn = &sn_tab[i]; | |
3762 | term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
3763 | } | |
3764 | qemu_free(sn_tab); | |
3765 | } | |
3766 | ||
3767 | /***********************************************************/ | |
3768 | /* ram save/restore */ | |
3769 | ||
3770 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
3771 | { | |
3772 | int v; | |
3773 | ||
3774 | v = qemu_get_byte(f); | |
3775 | switch(v) { | |
3776 | case 0: | |
3777 | if (qemu_get_buffer(f, buf, len) != len) | |
3778 | return -EIO; | |
3779 | break; | |
3780 | case 1: | |
3781 | v = qemu_get_byte(f); | |
3782 | memset(buf, v, len); | |
3783 | break; | |
3784 | default: | |
3785 | return -EINVAL; | |
3786 | } | |
3787 | ||
3788 | if (qemu_file_has_error(f)) | |
3789 | return -EIO; | |
3790 | ||
3791 | return 0; | |
3792 | } | |
3793 | ||
3794 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
3795 | { | |
3796 | int ret; | |
3797 | ram_addr_t i; | |
3798 | ||
3799 | if (qemu_get_be32(f) != phys_ram_size) | |
3800 | return -EINVAL; | |
3801 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
3802 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
3803 | if (ret) | |
3804 | return ret; | |
3805 | } | |
3806 | return 0; | |
3807 | } | |
3808 | ||
3809 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
3810 | #define IOBUF_SIZE 4096 | |
3811 | #define RAM_CBLOCK_MAGIC 0xfabe | |
3812 | ||
3813 | typedef struct RamDecompressState { | |
3814 | z_stream zstream; | |
3815 | QEMUFile *f; | |
3816 | uint8_t buf[IOBUF_SIZE]; | |
3817 | } RamDecompressState; | |
3818 | ||
3819 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
3820 | { | |
3821 | int ret; | |
3822 | memset(s, 0, sizeof(*s)); | |
3823 | s->f = f; | |
3824 | ret = inflateInit(&s->zstream); | |
3825 | if (ret != Z_OK) | |
3826 | return -1; | |
3827 | return 0; | |
3828 | } | |
3829 | ||
3830 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
3831 | { | |
3832 | int ret, clen; | |
3833 | ||
3834 | s->zstream.avail_out = len; | |
3835 | s->zstream.next_out = buf; | |
3836 | while (s->zstream.avail_out > 0) { | |
3837 | if (s->zstream.avail_in == 0) { | |
3838 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
3839 | return -1; | |
3840 | clen = qemu_get_be16(s->f); | |
3841 | if (clen > IOBUF_SIZE) | |
3842 | return -1; | |
3843 | qemu_get_buffer(s->f, s->buf, clen); | |
3844 | s->zstream.avail_in = clen; | |
3845 | s->zstream.next_in = s->buf; | |
3846 | } | |
3847 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
3848 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
3849 | return -1; | |
3850 | } | |
3851 | } | |
3852 | return 0; | |
3853 | } | |
3854 | ||
3855 | static void ram_decompress_close(RamDecompressState *s) | |
3856 | { | |
3857 | inflateEnd(&s->zstream); | |
3858 | } | |
3859 | ||
3860 | #define RAM_SAVE_FLAG_FULL 0x01 | |
3861 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
3862 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
3863 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
3864 | #define RAM_SAVE_FLAG_EOS 0x10 | |
3865 | ||
3866 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
3867 | { | |
3868 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
3869 | uint32_t *array = (uint32_t *)page; | |
3870 | int i; | |
3871 | ||
3872 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
3873 | if (array[i] != val) | |
3874 | return 0; | |
3875 | } | |
3876 | ||
3877 | return 1; | |
3878 | } | |
3879 | ||
3880 | static int ram_save_block(QEMUFile *f) | |
3881 | { | |
3882 | static ram_addr_t current_addr = 0; | |
3883 | ram_addr_t saved_addr = current_addr; | |
3884 | ram_addr_t addr = 0; | |
3885 | int found = 0; | |
3886 | ||
3887 | while (addr < phys_ram_size) { | |
3888 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { | |
3889 | uint8_t ch; | |
3890 | ||
3891 | cpu_physical_memory_reset_dirty(current_addr, | |
3892 | current_addr + TARGET_PAGE_SIZE, | |
3893 | MIGRATION_DIRTY_FLAG); | |
3894 | ||
3895 | ch = *(phys_ram_base + current_addr); | |
3896 | ||
3897 | if (is_dup_page(phys_ram_base + current_addr, ch)) { | |
3898 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); | |
3899 | qemu_put_byte(f, ch); | |
3900 | } else { | |
3901 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
3902 | qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE); | |
3903 | } | |
3904 | ||
3905 | found = 1; | |
3906 | break; | |
3907 | } | |
3908 | addr += TARGET_PAGE_SIZE; | |
3909 | current_addr = (saved_addr + addr) % phys_ram_size; | |
3910 | } | |
3911 | ||
3912 | return found; | |
3913 | } | |
3914 | ||
3915 | static ram_addr_t ram_save_threshold = 10; | |
3916 | ||
3917 | static ram_addr_t ram_save_remaining(void) | |
3918 | { | |
3919 | ram_addr_t addr; | |
3920 | ram_addr_t count = 0; | |
3921 | ||
3922 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
3923 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3924 | count++; | |
3925 | } | |
3926 | ||
3927 | return count; | |
3928 | } | |
3929 | ||
3930 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) | |
3931 | { | |
3932 | ram_addr_t addr; | |
3933 | ||
3934 | if (stage == 1) { | |
3935 | /* Make sure all dirty bits are set */ | |
3936 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
3937 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3938 | cpu_physical_memory_set_dirty(addr); | |
3939 | } | |
3940 | ||
3941 | /* Enable dirty memory tracking */ | |
3942 | cpu_physical_memory_set_dirty_tracking(1); | |
3943 | ||
3944 | qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE); | |
3945 | } | |
3946 | ||
3947 | while (!qemu_file_rate_limit(f)) { | |
3948 | int ret; | |
3949 | ||
3950 | ret = ram_save_block(f); | |
3951 | if (ret == 0) /* no more blocks */ | |
3952 | break; | |
3953 | } | |
3954 | ||
3955 | /* try transferring iterative blocks of memory */ | |
3956 | ||
3957 | if (stage == 3) { | |
3958 | cpu_physical_memory_set_dirty_tracking(0); | |
3959 | ||
3960 | /* flush all remaining blocks regardless of rate limiting */ | |
3961 | while (ram_save_block(f) != 0); | |
3962 | } | |
3963 | ||
3964 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3965 | ||
3966 | return (stage == 2) && (ram_save_remaining() < ram_save_threshold); | |
3967 | } | |
3968 | ||
3969 | static int ram_load_dead(QEMUFile *f, void *opaque) | |
3970 | { | |
3971 | RamDecompressState s1, *s = &s1; | |
3972 | uint8_t buf[10]; | |
3973 | ram_addr_t i; | |
3974 | ||
3975 | if (ram_decompress_open(s, f) < 0) | |
3976 | return -EINVAL; | |
3977 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
3978 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
3979 | fprintf(stderr, "Error while reading ram block header\n"); | |
3980 | goto error; | |
3981 | } | |
3982 | if (buf[0] == 0) { | |
3983 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
3984 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); | |
3985 | goto error; | |
3986 | } | |
3987 | } else { | |
3988 | error: | |
3989 | printf("Error block header\n"); | |
3990 | return -EINVAL; | |
3991 | } | |
3992 | } | |
3993 | ram_decompress_close(s); | |
3994 | ||
3995 | return 0; | |
3996 | } | |
3997 | ||
3998 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
3999 | { | |
4000 | ram_addr_t addr; | |
4001 | int flags; | |
4002 | ||
4003 | if (version_id == 1) | |
4004 | return ram_load_v1(f, opaque); | |
4005 | ||
4006 | if (version_id == 2) { | |
4007 | if (qemu_get_be32(f) != phys_ram_size) | |
4008 | return -EINVAL; | |
4009 | return ram_load_dead(f, opaque); | |
4010 | } | |
4011 | ||
4012 | if (version_id != 3) | |
4013 | return -EINVAL; | |
4014 | ||
4015 | do { | |
4016 | addr = qemu_get_be64(f); | |
4017 | ||
4018 | flags = addr & ~TARGET_PAGE_MASK; | |
4019 | addr &= TARGET_PAGE_MASK; | |
4020 | ||
4021 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
4022 | if (addr != phys_ram_size) | |
4023 | return -EINVAL; | |
4024 | } | |
4025 | ||
4026 | if (flags & RAM_SAVE_FLAG_FULL) { | |
4027 | if (ram_load_dead(f, opaque) < 0) | |
4028 | return -EINVAL; | |
4029 | } | |
4030 | ||
4031 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
4032 | uint8_t ch = qemu_get_byte(f); | |
4033 | memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE); | |
4034 | } else if (flags & RAM_SAVE_FLAG_PAGE) | |
4035 | qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE); | |
4036 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
4037 | ||
4038 | return 0; | |
4039 | } | |
4040 | ||
4041 | void qemu_service_io(void) | |
4042 | { | |
4043 | CPUState *env = cpu_single_env; | |
4044 | if (env) { | |
4045 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
4046 | #ifdef USE_KQEMU | |
4047 | if (env->kqemu_enabled) { | |
4048 | kqemu_cpu_interrupt(env); | |
4049 | } | |
4050 | #endif | |
4051 | } | |
4052 | } | |
4053 | ||
4054 | /***********************************************************/ | |
4055 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
4056 | ||
4057 | struct QEMUBH { | |
4058 | QEMUBHFunc *cb; | |
4059 | void *opaque; | |
4060 | int scheduled; | |
4061 | int idle; | |
4062 | int deleted; | |
4063 | QEMUBH *next; | |
4064 | }; | |
4065 | ||
4066 | static QEMUBH *first_bh = NULL; | |
4067 | ||
4068 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
4069 | { | |
4070 | QEMUBH *bh; | |
4071 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
4072 | if (!bh) | |
4073 | return NULL; | |
4074 | bh->cb = cb; | |
4075 | bh->opaque = opaque; | |
4076 | bh->next = first_bh; | |
4077 | first_bh = bh; | |
4078 | return bh; | |
4079 | } | |
4080 | ||
4081 | int qemu_bh_poll(void) | |
4082 | { | |
4083 | QEMUBH *bh, **bhp; | |
4084 | int ret; | |
4085 | ||
4086 | ret = 0; | |
4087 | for (bh = first_bh; bh; bh = bh->next) { | |
4088 | if (!bh->deleted && bh->scheduled) { | |
4089 | bh->scheduled = 0; | |
4090 | if (!bh->idle) | |
4091 | ret = 1; | |
4092 | bh->idle = 0; | |
4093 | bh->cb(bh->opaque); | |
4094 | } | |
4095 | } | |
4096 | ||
4097 | /* remove deleted bhs */ | |
4098 | bhp = &first_bh; | |
4099 | while (*bhp) { | |
4100 | bh = *bhp; | |
4101 | if (bh->deleted) { | |
4102 | *bhp = bh->next; | |
4103 | qemu_free(bh); | |
4104 | } else | |
4105 | bhp = &bh->next; | |
4106 | } | |
4107 | ||
4108 | return ret; | |
4109 | } | |
4110 | ||
4111 | void qemu_bh_schedule_idle(QEMUBH *bh) | |
4112 | { | |
4113 | if (bh->scheduled) | |
4114 | return; | |
4115 | bh->scheduled = 1; | |
4116 | bh->idle = 1; | |
4117 | } | |
4118 | ||
4119 | void qemu_bh_schedule(QEMUBH *bh) | |
4120 | { | |
4121 | CPUState *env = cpu_single_env; | |
4122 | if (bh->scheduled) | |
4123 | return; | |
4124 | bh->scheduled = 1; | |
4125 | bh->idle = 0; | |
4126 | /* stop the currently executing CPU to execute the BH ASAP */ | |
4127 | if (env) { | |
4128 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
4129 | } | |
4130 | } | |
4131 | ||
4132 | void qemu_bh_cancel(QEMUBH *bh) | |
4133 | { | |
4134 | bh->scheduled = 0; | |
4135 | } | |
4136 | ||
4137 | void qemu_bh_delete(QEMUBH *bh) | |
4138 | { | |
4139 | bh->scheduled = 0; | |
4140 | bh->deleted = 1; | |
4141 | } | |
4142 | ||
4143 | static void qemu_bh_update_timeout(int *timeout) | |
4144 | { | |
4145 | QEMUBH *bh; | |
4146 | ||
4147 | for (bh = first_bh; bh; bh = bh->next) { | |
4148 | if (!bh->deleted && bh->scheduled) { | |
4149 | if (bh->idle) { | |
4150 | /* idle bottom halves will be polled at least | |
4151 | * every 10ms */ | |
4152 | *timeout = MIN(10, *timeout); | |
4153 | } else { | |
4154 | /* non-idle bottom halves will be executed | |
4155 | * immediately */ | |
4156 | *timeout = 0; | |
4157 | break; | |
4158 | } | |
4159 | } | |
4160 | } | |
4161 | } | |
4162 | ||
4163 | /***********************************************************/ | |
4164 | /* machine registration */ | |
4165 | ||
4166 | static QEMUMachine *first_machine = NULL; | |
4167 | ||
4168 | int qemu_register_machine(QEMUMachine *m) | |
4169 | { | |
4170 | QEMUMachine **pm; | |
4171 | pm = &first_machine; | |
4172 | while (*pm != NULL) | |
4173 | pm = &(*pm)->next; | |
4174 | m->next = NULL; | |
4175 | *pm = m; | |
4176 | return 0; | |
4177 | } | |
4178 | ||
4179 | static QEMUMachine *find_machine(const char *name) | |
4180 | { | |
4181 | QEMUMachine *m; | |
4182 | ||
4183 | for(m = first_machine; m != NULL; m = m->next) { | |
4184 | if (!strcmp(m->name, name)) | |
4185 | return m; | |
4186 | } | |
4187 | return NULL; | |
4188 | } | |
4189 | ||
4190 | /***********************************************************/ | |
4191 | /* main execution loop */ | |
4192 | ||
4193 | static void gui_update(void *opaque) | |
4194 | { | |
4195 | DisplayState *ds = opaque; | |
4196 | ds->dpy_refresh(ds); | |
4197 | qemu_mod_timer(ds->gui_timer, | |
4198 | (ds->gui_timer_interval ? | |
4199 | ds->gui_timer_interval : | |
4200 | GUI_REFRESH_INTERVAL) | |
4201 | + qemu_get_clock(rt_clock)); | |
4202 | } | |
4203 | ||
4204 | struct vm_change_state_entry { | |
4205 | VMChangeStateHandler *cb; | |
4206 | void *opaque; | |
4207 | LIST_ENTRY (vm_change_state_entry) entries; | |
4208 | }; | |
4209 | ||
4210 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
4211 | ||
4212 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
4213 | void *opaque) | |
4214 | { | |
4215 | VMChangeStateEntry *e; | |
4216 | ||
4217 | e = qemu_mallocz(sizeof (*e)); | |
4218 | if (!e) | |
4219 | return NULL; | |
4220 | ||
4221 | e->cb = cb; | |
4222 | e->opaque = opaque; | |
4223 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
4224 | return e; | |
4225 | } | |
4226 | ||
4227 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
4228 | { | |
4229 | LIST_REMOVE (e, entries); | |
4230 | qemu_free (e); | |
4231 | } | |
4232 | ||
4233 | static void vm_state_notify(int running) | |
4234 | { | |
4235 | VMChangeStateEntry *e; | |
4236 | ||
4237 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
4238 | e->cb(e->opaque, running); | |
4239 | } | |
4240 | } | |
4241 | ||
4242 | /* XXX: support several handlers */ | |
4243 | static VMStopHandler *vm_stop_cb; | |
4244 | static void *vm_stop_opaque; | |
4245 | ||
4246 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
4247 | { | |
4248 | vm_stop_cb = cb; | |
4249 | vm_stop_opaque = opaque; | |
4250 | return 0; | |
4251 | } | |
4252 | ||
4253 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
4254 | { | |
4255 | vm_stop_cb = NULL; | |
4256 | } | |
4257 | ||
4258 | void vm_start(void) | |
4259 | { | |
4260 | if (!vm_running) { | |
4261 | cpu_enable_ticks(); | |
4262 | vm_running = 1; | |
4263 | vm_state_notify(1); | |
4264 | qemu_rearm_alarm_timer(alarm_timer); | |
4265 | } | |
4266 | } | |
4267 | ||
4268 | void vm_stop(int reason) | |
4269 | { | |
4270 | if (vm_running) { | |
4271 | cpu_disable_ticks(); | |
4272 | vm_running = 0; | |
4273 | if (reason != 0) { | |
4274 | if (vm_stop_cb) { | |
4275 | vm_stop_cb(vm_stop_opaque, reason); | |
4276 | } | |
4277 | } | |
4278 | vm_state_notify(0); | |
4279 | } | |
4280 | } | |
4281 | ||
4282 | /* reset/shutdown handler */ | |
4283 | ||
4284 | typedef struct QEMUResetEntry { | |
4285 | QEMUResetHandler *func; | |
4286 | void *opaque; | |
4287 | struct QEMUResetEntry *next; | |
4288 | } QEMUResetEntry; | |
4289 | ||
4290 | static QEMUResetEntry *first_reset_entry; | |
4291 | static int reset_requested; | |
4292 | static int shutdown_requested; | |
4293 | static int powerdown_requested; | |
4294 | ||
4295 | int qemu_shutdown_requested(void) | |
4296 | { | |
4297 | int r = shutdown_requested; | |
4298 | shutdown_requested = 0; | |
4299 | return r; | |
4300 | } | |
4301 | ||
4302 | int qemu_reset_requested(void) | |
4303 | { | |
4304 | int r = reset_requested; | |
4305 | reset_requested = 0; | |
4306 | return r; | |
4307 | } | |
4308 | ||
4309 | int qemu_powerdown_requested(void) | |
4310 | { | |
4311 | int r = powerdown_requested; | |
4312 | powerdown_requested = 0; | |
4313 | return r; | |
4314 | } | |
4315 | ||
4316 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
4317 | { | |
4318 | QEMUResetEntry **pre, *re; | |
4319 | ||
4320 | pre = &first_reset_entry; | |
4321 | while (*pre != NULL) | |
4322 | pre = &(*pre)->next; | |
4323 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
4324 | re->func = func; | |
4325 | re->opaque = opaque; | |
4326 | re->next = NULL; | |
4327 | *pre = re; | |
4328 | } | |
4329 | ||
4330 | void qemu_system_reset(void) | |
4331 | { | |
4332 | QEMUResetEntry *re; | |
4333 | ||
4334 | /* reset all devices */ | |
4335 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
4336 | re->func(re->opaque); | |
4337 | } | |
4338 | } | |
4339 | ||
4340 | void qemu_system_reset_request(void) | |
4341 | { | |
4342 | if (no_reboot) { | |
4343 | shutdown_requested = 1; | |
4344 | } else { | |
4345 | reset_requested = 1; | |
4346 | } | |
4347 | if (cpu_single_env) | |
4348 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
4349 | } | |
4350 | ||
4351 | void qemu_system_shutdown_request(void) | |
4352 | { | |
4353 | shutdown_requested = 1; | |
4354 | if (cpu_single_env) | |
4355 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
4356 | } | |
4357 | ||
4358 | void qemu_system_powerdown_request(void) | |
4359 | { | |
4360 | powerdown_requested = 1; | |
4361 | if (cpu_single_env) | |
4362 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
4363 | } | |
4364 | ||
4365 | #ifdef _WIN32 | |
4366 | void host_main_loop_wait(int *timeout) | |
4367 | { | |
4368 | int ret, ret2, i; | |
4369 | PollingEntry *pe; | |
4370 | ||
4371 | ||
4372 | /* XXX: need to suppress polling by better using win32 events */ | |
4373 | ret = 0; | |
4374 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
4375 | ret |= pe->func(pe->opaque); | |
4376 | } | |
4377 | if (ret == 0) { | |
4378 | int err; | |
4379 | WaitObjects *w = &wait_objects; | |
4380 | ||
4381 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); | |
4382 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
4383 | if (w->func[ret - WAIT_OBJECT_0]) | |
4384 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
4385 | ||
4386 | /* Check for additional signaled events */ | |
4387 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { | |
4388 | ||
4389 | /* Check if event is signaled */ | |
4390 | ret2 = WaitForSingleObject(w->events[i], 0); | |
4391 | if(ret2 == WAIT_OBJECT_0) { | |
4392 | if (w->func[i]) | |
4393 | w->func[i](w->opaque[i]); | |
4394 | } else if (ret2 == WAIT_TIMEOUT) { | |
4395 | } else { | |
4396 | err = GetLastError(); | |
4397 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
4398 | } | |
4399 | } | |
4400 | } else if (ret == WAIT_TIMEOUT) { | |
4401 | } else { | |
4402 | err = GetLastError(); | |
4403 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); | |
4404 | } | |
4405 | } | |
4406 | ||
4407 | *timeout = 0; | |
4408 | } | |
4409 | #else | |
4410 | void host_main_loop_wait(int *timeout) | |
4411 | { | |
4412 | } | |
4413 | #endif | |
4414 | ||
4415 | void main_loop_wait(int timeout) | |
4416 | { | |
4417 | IOHandlerRecord *ioh; | |
4418 | fd_set rfds, wfds, xfds; | |
4419 | int ret, nfds; | |
4420 | struct timeval tv; | |
4421 | ||
4422 | qemu_bh_update_timeout(&timeout); | |
4423 | ||
4424 | host_main_loop_wait(&timeout); | |
4425 | ||
4426 | /* poll any events */ | |
4427 | /* XXX: separate device handlers from system ones */ | |
4428 | nfds = -1; | |
4429 | FD_ZERO(&rfds); | |
4430 | FD_ZERO(&wfds); | |
4431 | FD_ZERO(&xfds); | |
4432 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
4433 | if (ioh->deleted) | |
4434 | continue; | |
4435 | if (ioh->fd_read && | |
4436 | (!ioh->fd_read_poll || | |
4437 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
4438 | FD_SET(ioh->fd, &rfds); | |
4439 | if (ioh->fd > nfds) | |
4440 | nfds = ioh->fd; | |
4441 | } | |
4442 | if (ioh->fd_write) { | |
4443 | FD_SET(ioh->fd, &wfds); | |
4444 | if (ioh->fd > nfds) | |
4445 | nfds = ioh->fd; | |
4446 | } | |
4447 | } | |
4448 | ||
4449 | tv.tv_sec = timeout / 1000; | |
4450 | tv.tv_usec = (timeout % 1000) * 1000; | |
4451 | ||
4452 | #if defined(CONFIG_SLIRP) | |
4453 | if (slirp_is_inited()) { | |
4454 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
4455 | } | |
4456 | #endif | |
4457 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
4458 | if (ret > 0) { | |
4459 | IOHandlerRecord **pioh; | |
4460 | ||
4461 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
4462 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { | |
4463 | ioh->fd_read(ioh->opaque); | |
4464 | } | |
4465 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { | |
4466 | ioh->fd_write(ioh->opaque); | |
4467 | } | |
4468 | } | |
4469 | ||
4470 | /* remove deleted IO handlers */ | |
4471 | pioh = &first_io_handler; | |
4472 | while (*pioh) { | |
4473 | ioh = *pioh; | |
4474 | if (ioh->deleted) { | |
4475 | *pioh = ioh->next; | |
4476 | qemu_free(ioh); | |
4477 | } else | |
4478 | pioh = &ioh->next; | |
4479 | } | |
4480 | } | |
4481 | #if defined(CONFIG_SLIRP) | |
4482 | if (slirp_is_inited()) { | |
4483 | if (ret < 0) { | |
4484 | FD_ZERO(&rfds); | |
4485 | FD_ZERO(&wfds); | |
4486 | FD_ZERO(&xfds); | |
4487 | } | |
4488 | slirp_select_poll(&rfds, &wfds, &xfds); | |
4489 | } | |
4490 | #endif | |
4491 | ||
4492 | if (vm_running) { | |
4493 | if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
4494 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
4495 | qemu_get_clock(vm_clock)); | |
4496 | } | |
4497 | ||
4498 | /* real time timers */ | |
4499 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
4500 | qemu_get_clock(rt_clock)); | |
4501 | ||
4502 | if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { | |
4503 | alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); | |
4504 | qemu_rearm_alarm_timer(alarm_timer); | |
4505 | } | |
4506 | ||
4507 | /* Check bottom-halves last in case any of the earlier events triggered | |
4508 | them. */ | |
4509 | qemu_bh_poll(); | |
4510 | ||
4511 | } | |
4512 | ||
4513 | static int main_loop(void) | |
4514 | { | |
4515 | int ret, timeout; | |
4516 | #ifdef CONFIG_PROFILER | |
4517 | int64_t ti; | |
4518 | #endif | |
4519 | CPUState *env; | |
4520 | ||
4521 | cur_cpu = first_cpu; | |
4522 | next_cpu = cur_cpu->next_cpu ?: first_cpu; | |
4523 | for(;;) { | |
4524 | if (vm_running) { | |
4525 | ||
4526 | for(;;) { | |
4527 | /* get next cpu */ | |
4528 | env = next_cpu; | |
4529 | #ifdef CONFIG_PROFILER | |
4530 | ti = profile_getclock(); | |
4531 | #endif | |
4532 | if (use_icount) { | |
4533 | int64_t count; | |
4534 | int decr; | |
4535 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
4536 | env->icount_decr.u16.low = 0; | |
4537 | env->icount_extra = 0; | |
4538 | count = qemu_next_deadline(); | |
4539 | count = (count + (1 << icount_time_shift) - 1) | |
4540 | >> icount_time_shift; | |
4541 | qemu_icount += count; | |
4542 | decr = (count > 0xffff) ? 0xffff : count; | |
4543 | count -= decr; | |
4544 | env->icount_decr.u16.low = decr; | |
4545 | env->icount_extra = count; | |
4546 | } | |
4547 | ret = cpu_exec(env); | |
4548 | #ifdef CONFIG_PROFILER | |
4549 | qemu_time += profile_getclock() - ti; | |
4550 | #endif | |
4551 | if (use_icount) { | |
4552 | /* Fold pending instructions back into the | |
4553 | instruction counter, and clear the interrupt flag. */ | |
4554 | qemu_icount -= (env->icount_decr.u16.low | |
4555 | + env->icount_extra); | |
4556 | env->icount_decr.u32 = 0; | |
4557 | env->icount_extra = 0; | |
4558 | } | |
4559 | next_cpu = env->next_cpu ?: first_cpu; | |
4560 | if (event_pending && likely(ret != EXCP_DEBUG)) { | |
4561 | ret = EXCP_INTERRUPT; | |
4562 | event_pending = 0; | |
4563 | break; | |
4564 | } | |
4565 | if (ret == EXCP_HLT) { | |
4566 | /* Give the next CPU a chance to run. */ | |
4567 | cur_cpu = env; | |
4568 | continue; | |
4569 | } | |
4570 | if (ret != EXCP_HALTED) | |
4571 | break; | |
4572 | /* all CPUs are halted ? */ | |
4573 | if (env == cur_cpu) | |
4574 | break; | |
4575 | } | |
4576 | cur_cpu = env; | |
4577 | ||
4578 | if (shutdown_requested) { | |
4579 | ret = EXCP_INTERRUPT; | |
4580 | if (no_shutdown) { | |
4581 | vm_stop(0); | |
4582 | no_shutdown = 0; | |
4583 | } | |
4584 | else | |
4585 | break; | |
4586 | } | |
4587 | if (reset_requested) { | |
4588 | reset_requested = 0; | |
4589 | qemu_system_reset(); | |
4590 | ret = EXCP_INTERRUPT; | |
4591 | } | |
4592 | if (powerdown_requested) { | |
4593 | powerdown_requested = 0; | |
4594 | qemu_system_powerdown(); | |
4595 | ret = EXCP_INTERRUPT; | |
4596 | } | |
4597 | if (unlikely(ret == EXCP_DEBUG)) { | |
4598 | vm_stop(EXCP_DEBUG); | |
4599 | } | |
4600 | /* If all cpus are halted then wait until the next IRQ */ | |
4601 | /* XXX: use timeout computed from timers */ | |
4602 | if (ret == EXCP_HALTED) { | |
4603 | if (use_icount) { | |
4604 | int64_t add; | |
4605 | int64_t delta; | |
4606 | /* Advance virtual time to the next event. */ | |
4607 | if (use_icount == 1) { | |
4608 | /* When not using an adaptive execution frequency | |
4609 | we tend to get badly out of sync with real time, | |
4610 | so just delay for a reasonable amount of time. */ | |
4611 | delta = 0; | |
4612 | } else { | |
4613 | delta = cpu_get_icount() - cpu_get_clock(); | |
4614 | } | |
4615 | if (delta > 0) { | |
4616 | /* If virtual time is ahead of real time then just | |
4617 | wait for IO. */ | |
4618 | timeout = (delta / 1000000) + 1; | |
4619 | } else { | |
4620 | /* Wait for either IO to occur or the next | |
4621 | timer event. */ | |
4622 | add = qemu_next_deadline(); | |
4623 | /* We advance the timer before checking for IO. | |
4624 | Limit the amount we advance so that early IO | |
4625 | activity won't get the guest too far ahead. */ | |
4626 | if (add > 10000000) | |
4627 | add = 10000000; | |
4628 | delta += add; | |
4629 | add = (add + (1 << icount_time_shift) - 1) | |
4630 | >> icount_time_shift; | |
4631 | qemu_icount += add; | |
4632 | timeout = delta / 1000000; | |
4633 | if (timeout < 0) | |
4634 | timeout = 0; | |
4635 | } | |
4636 | } else { | |
4637 | timeout = 5000; | |
4638 | } | |
4639 | } else { | |
4640 | timeout = 0; | |
4641 | } | |
4642 | } else { | |
4643 | if (shutdown_requested) { | |
4644 | ret = EXCP_INTERRUPT; | |
4645 | break; | |
4646 | } | |
4647 | timeout = 5000; | |
4648 | } | |
4649 | #ifdef CONFIG_PROFILER | |
4650 | ti = profile_getclock(); | |
4651 | #endif | |
4652 | main_loop_wait(timeout); | |
4653 | #ifdef CONFIG_PROFILER | |
4654 | dev_time += profile_getclock() - ti; | |
4655 | #endif | |
4656 | } | |
4657 | cpu_disable_ticks(); | |
4658 | return ret; | |
4659 | } | |
4660 | ||
4661 | static void help(int exitcode) | |
4662 | { | |
4663 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" | |
4664 | "usage: %s [options] [disk_image]\n" | |
4665 | "\n" | |
4666 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
4667 | "\n" | |
4668 | "Standard options:\n" | |
4669 | "-M machine select emulated machine (-M ? for list)\n" | |
4670 | "-cpu cpu select CPU (-cpu ? for list)\n" | |
4671 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
4672 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
4673 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
4674 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
4675 | "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" | |
4676 | " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" | |
4677 | " [,cache=writethrough|writeback|none][,format=f]\n" | |
4678 | " use 'file' as a drive image\n" | |
4679 | "-mtdblock file use 'file' as on-board Flash memory image\n" | |
4680 | "-sd file use 'file' as SecureDigital card image\n" | |
4681 | "-pflash file use 'file' as a parallel flash image\n" | |
4682 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" | |
4683 | "-snapshot write to temporary files instead of disk image files\n" | |
4684 | #ifdef CONFIG_SDL | |
4685 | "-no-frame open SDL window without a frame and window decorations\n" | |
4686 | "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" | |
4687 | "-no-quit disable SDL window close capability\n" | |
4688 | #endif | |
4689 | #ifdef TARGET_I386 | |
4690 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
4691 | #endif | |
4692 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
4693 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
4694 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
4695 | "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" | |
4696 | #ifndef _WIN32 | |
4697 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
4698 | #endif | |
4699 | #ifdef HAS_AUDIO | |
4700 | "-audio-help print list of audio drivers and their options\n" | |
4701 | "-soundhw c1,... enable audio support\n" | |
4702 | " and only specified sound cards (comma separated list)\n" | |
4703 | " use -soundhw ? to get the list of supported cards\n" | |
4704 | " use -soundhw all to enable all of them\n" | |
4705 | #endif | |
4706 | "-vga [std|cirrus|vmware]\n" | |
4707 | " select video card type\n" | |
4708 | "-localtime set the real time clock to local time [default=utc]\n" | |
4709 | "-full-screen start in full screen\n" | |
4710 | #ifdef TARGET_I386 | |
4711 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
4712 | #endif | |
4713 | "-usb enable the USB driver (will be the default soon)\n" | |
4714 | "-usbdevice name add the host or guest USB device 'name'\n" | |
4715 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
4716 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
4717 | #endif | |
4718 | "-name string set the name of the guest\n" | |
4719 | "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n" | |
4720 | "\n" | |
4721 | "Network options:\n" | |
4722 | "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" | |
4723 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
4724 | #ifdef CONFIG_SLIRP | |
4725 | "-net user[,vlan=n][,hostname=host]\n" | |
4726 | " connect the user mode network stack to VLAN 'n' and send\n" | |
4727 | " hostname 'host' to DHCP clients\n" | |
4728 | #endif | |
4729 | #ifdef _WIN32 | |
4730 | "-net tap[,vlan=n],ifname=name\n" | |
4731 | " connect the host TAP network interface to VLAN 'n'\n" | |
4732 | #else | |
4733 | "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n" | |
4734 | " connect the host TAP network interface to VLAN 'n' and use the\n" | |
4735 | " network scripts 'file' (default=%s)\n" | |
4736 | " and 'dfile' (default=%s);\n" | |
4737 | " use '[down]script=no' to disable script execution;\n" | |
4738 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
4739 | #endif | |
4740 | "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
4741 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
4742 | "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" | |
4743 | " connect the vlan 'n' to multicast maddr and port\n" | |
4744 | #ifdef CONFIG_VDE | |
4745 | "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n" | |
4746 | " connect the vlan 'n' to port 'n' of a vde switch running\n" | |
4747 | " on host and listening for incoming connections on 'socketpath'.\n" | |
4748 | " Use group 'groupname' and mode 'octalmode' to change default\n" | |
4749 | " ownership and permissions for communication port.\n" | |
4750 | #endif | |
4751 | "-net none use it alone to have zero network devices; if no -net option\n" | |
4752 | " is provided, the default is '-net nic -net user'\n" | |
4753 | "\n" | |
4754 | #ifdef CONFIG_SLIRP | |
4755 | "-tftp dir allow tftp access to files in dir [-net user]\n" | |
4756 | "-bootp file advertise file in BOOTP replies\n" | |
4757 | #ifndef _WIN32 | |
4758 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
4759 | #endif | |
4760 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
4761 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
4762 | #endif | |
4763 | "\n" | |
4764 | "Linux boot specific:\n" | |
4765 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
4766 | "-append cmdline use 'cmdline' as kernel command line\n" | |
4767 | "-initrd file use 'file' as initial ram disk\n" | |
4768 | "\n" | |
4769 | "Debug/Expert options:\n" | |
4770 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
4771 | "-serial dev redirect the serial port to char device 'dev'\n" | |
4772 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
4773 | "-pidfile file Write PID to 'file'\n" | |
4774 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
4775 | "-s wait gdb connection to port\n" | |
4776 | "-p port set gdb connection port [default=%s]\n" | |
4777 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
4778 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
4779 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
4780 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
4781 | #ifdef USE_KQEMU | |
4782 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
4783 | "-no-kqemu disable KQEMU kernel module usage\n" | |
4784 | #endif | |
4785 | #ifdef TARGET_I386 | |
4786 | "-no-acpi disable ACPI\n" | |
4787 | #endif | |
4788 | #ifdef CONFIG_CURSES | |
4789 | "-curses use a curses/ncurses interface instead of SDL\n" | |
4790 | #endif | |
4791 | "-no-reboot exit instead of rebooting\n" | |
4792 | "-no-shutdown stop before shutdown\n" | |
4793 | "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n" | |
4794 | "-vnc display start a VNC server on display\n" | |
4795 | #ifndef _WIN32 | |
4796 | "-daemonize daemonize QEMU after initializing\n" | |
4797 | #endif | |
4798 | "-option-rom rom load a file, rom, into the option ROM space\n" | |
4799 | #ifdef TARGET_SPARC | |
4800 | "-prom-env variable=value set OpenBIOS nvram variables\n" | |
4801 | #endif | |
4802 | "-clock force the use of the given methods for timer alarm.\n" | |
4803 | " To see what timers are available use -clock ?\n" | |
4804 | "-startdate select initial date of the clock\n" | |
4805 | "-icount [N|auto]\n" | |
4806 | " Enable virtual instruction counter with 2^N clock ticks per instruction\n" | |
4807 | "\n" | |
4808 | "During emulation, the following keys are useful:\n" | |
4809 | "ctrl-alt-f toggle full screen\n" | |
4810 | "ctrl-alt-n switch to virtual console 'n'\n" | |
4811 | "ctrl-alt toggle mouse and keyboard grab\n" | |
4812 | "\n" | |
4813 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
4814 | , | |
4815 | "qemu", | |
4816 | DEFAULT_RAM_SIZE, | |
4817 | #ifndef _WIN32 | |
4818 | DEFAULT_NETWORK_SCRIPT, | |
4819 | DEFAULT_NETWORK_DOWN_SCRIPT, | |
4820 | #endif | |
4821 | DEFAULT_GDBSTUB_PORT, | |
4822 | "/tmp/qemu.log"); | |
4823 | exit(exitcode); | |
4824 | } | |
4825 | ||
4826 | #define HAS_ARG 0x0001 | |
4827 | ||
4828 | enum { | |
4829 | QEMU_OPTION_h, | |
4830 | ||
4831 | QEMU_OPTION_M, | |
4832 | QEMU_OPTION_cpu, | |
4833 | QEMU_OPTION_fda, | |
4834 | QEMU_OPTION_fdb, | |
4835 | QEMU_OPTION_hda, | |
4836 | QEMU_OPTION_hdb, | |
4837 | QEMU_OPTION_hdc, | |
4838 | QEMU_OPTION_hdd, | |
4839 | QEMU_OPTION_drive, | |
4840 | QEMU_OPTION_cdrom, | |
4841 | QEMU_OPTION_mtdblock, | |
4842 | QEMU_OPTION_sd, | |
4843 | QEMU_OPTION_pflash, | |
4844 | QEMU_OPTION_boot, | |
4845 | QEMU_OPTION_snapshot, | |
4846 | #ifdef TARGET_I386 | |
4847 | QEMU_OPTION_no_fd_bootchk, | |
4848 | #endif | |
4849 | QEMU_OPTION_m, | |
4850 | QEMU_OPTION_nographic, | |
4851 | QEMU_OPTION_portrait, | |
4852 | #ifdef HAS_AUDIO | |
4853 | QEMU_OPTION_audio_help, | |
4854 | QEMU_OPTION_soundhw, | |
4855 | #endif | |
4856 | ||
4857 | QEMU_OPTION_net, | |
4858 | QEMU_OPTION_tftp, | |
4859 | QEMU_OPTION_bootp, | |
4860 | QEMU_OPTION_smb, | |
4861 | QEMU_OPTION_redir, | |
4862 | ||
4863 | QEMU_OPTION_kernel, | |
4864 | QEMU_OPTION_append, | |
4865 | QEMU_OPTION_initrd, | |
4866 | ||
4867 | QEMU_OPTION_S, | |
4868 | QEMU_OPTION_s, | |
4869 | QEMU_OPTION_p, | |
4870 | QEMU_OPTION_d, | |
4871 | QEMU_OPTION_hdachs, | |
4872 | QEMU_OPTION_L, | |
4873 | QEMU_OPTION_bios, | |
4874 | QEMU_OPTION_k, | |
4875 | QEMU_OPTION_localtime, | |
4876 | QEMU_OPTION_g, | |
4877 | QEMU_OPTION_vga, | |
4878 | QEMU_OPTION_echr, | |
4879 | QEMU_OPTION_monitor, | |
4880 | QEMU_OPTION_serial, | |
4881 | QEMU_OPTION_parallel, | |
4882 | QEMU_OPTION_loadvm, | |
4883 | QEMU_OPTION_full_screen, | |
4884 | QEMU_OPTION_no_frame, | |
4885 | QEMU_OPTION_alt_grab, | |
4886 | QEMU_OPTION_no_quit, | |
4887 | QEMU_OPTION_pidfile, | |
4888 | QEMU_OPTION_no_kqemu, | |
4889 | QEMU_OPTION_kernel_kqemu, | |
4890 | QEMU_OPTION_win2k_hack, | |
4891 | QEMU_OPTION_usb, | |
4892 | QEMU_OPTION_usbdevice, | |
4893 | QEMU_OPTION_smp, | |
4894 | QEMU_OPTION_vnc, | |
4895 | QEMU_OPTION_no_acpi, | |
4896 | QEMU_OPTION_curses, | |
4897 | QEMU_OPTION_no_reboot, | |
4898 | QEMU_OPTION_no_shutdown, | |
4899 | QEMU_OPTION_show_cursor, | |
4900 | QEMU_OPTION_daemonize, | |
4901 | QEMU_OPTION_option_rom, | |
4902 | QEMU_OPTION_semihosting, | |
4903 | QEMU_OPTION_name, | |
4904 | QEMU_OPTION_prom_env, | |
4905 | QEMU_OPTION_old_param, | |
4906 | QEMU_OPTION_clock, | |
4907 | QEMU_OPTION_startdate, | |
4908 | QEMU_OPTION_tb_size, | |
4909 | QEMU_OPTION_icount, | |
4910 | QEMU_OPTION_uuid, | |
4911 | QEMU_OPTION_incoming, | |
4912 | }; | |
4913 | ||
4914 | typedef struct QEMUOption { | |
4915 | const char *name; | |
4916 | int flags; | |
4917 | int index; | |
4918 | } QEMUOption; | |
4919 | ||
4920 | static const QEMUOption qemu_options[] = { | |
4921 | { "h", 0, QEMU_OPTION_h }, | |
4922 | { "help", 0, QEMU_OPTION_h }, | |
4923 | ||
4924 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
4925 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, | |
4926 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
4927 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
4928 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
4929 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
4930 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
4931 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
4932 | { "drive", HAS_ARG, QEMU_OPTION_drive }, | |
4933 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
4934 | { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, | |
4935 | { "sd", HAS_ARG, QEMU_OPTION_sd }, | |
4936 | { "pflash", HAS_ARG, QEMU_OPTION_pflash }, | |
4937 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
4938 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
4939 | #ifdef TARGET_I386 | |
4940 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
4941 | #endif | |
4942 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
4943 | { "nographic", 0, QEMU_OPTION_nographic }, | |
4944 | { "portrait", 0, QEMU_OPTION_portrait }, | |
4945 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
4946 | #ifdef HAS_AUDIO | |
4947 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
4948 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
4949 | #endif | |
4950 | ||
4951 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
4952 | #ifdef CONFIG_SLIRP | |
4953 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
4954 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, | |
4955 | #ifndef _WIN32 | |
4956 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
4957 | #endif | |
4958 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
4959 | #endif | |
4960 | ||
4961 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
4962 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
4963 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
4964 | ||
4965 | { "S", 0, QEMU_OPTION_S }, | |
4966 | { "s", 0, QEMU_OPTION_s }, | |
4967 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
4968 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
4969 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
4970 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
4971 | { "bios", HAS_ARG, QEMU_OPTION_bios }, | |
4972 | #ifdef USE_KQEMU | |
4973 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
4974 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
4975 | #endif | |
4976 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
4977 | { "g", 1, QEMU_OPTION_g }, | |
4978 | #endif | |
4979 | { "localtime", 0, QEMU_OPTION_localtime }, | |
4980 | { "vga", HAS_ARG, QEMU_OPTION_vga }, | |
4981 | { "echr", HAS_ARG, QEMU_OPTION_echr }, | |
4982 | { "monitor", HAS_ARG, QEMU_OPTION_monitor }, | |
4983 | { "serial", HAS_ARG, QEMU_OPTION_serial }, | |
4984 | { "parallel", HAS_ARG, QEMU_OPTION_parallel }, | |
4985 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
4986 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
4987 | #ifdef CONFIG_SDL | |
4988 | { "no-frame", 0, QEMU_OPTION_no_frame }, | |
4989 | { "alt-grab", 0, QEMU_OPTION_alt_grab }, | |
4990 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
4991 | #endif | |
4992 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
4993 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
4994 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
4995 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
4996 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
4997 | #ifdef CONFIG_CURSES | |
4998 | { "curses", 0, QEMU_OPTION_curses }, | |
4999 | #endif | |
5000 | { "uuid", HAS_ARG, QEMU_OPTION_uuid }, | |
5001 | ||
5002 | /* temporary options */ | |
5003 | { "usb", 0, QEMU_OPTION_usb }, | |
5004 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
5005 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
5006 | { "no-shutdown", 0, QEMU_OPTION_no_shutdown }, | |
5007 | { "show-cursor", 0, QEMU_OPTION_show_cursor }, | |
5008 | { "daemonize", 0, QEMU_OPTION_daemonize }, | |
5009 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, | |
5010 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
5011 | { "semihosting", 0, QEMU_OPTION_semihosting }, | |
5012 | #endif | |
5013 | { "name", HAS_ARG, QEMU_OPTION_name }, | |
5014 | #if defined(TARGET_SPARC) | |
5015 | { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, | |
5016 | #endif | |
5017 | #if defined(TARGET_ARM) | |
5018 | { "old-param", 0, QEMU_OPTION_old_param }, | |
5019 | #endif | |
5020 | { "clock", HAS_ARG, QEMU_OPTION_clock }, | |
5021 | { "startdate", HAS_ARG, QEMU_OPTION_startdate }, | |
5022 | { "tb-size", HAS_ARG, QEMU_OPTION_tb_size }, | |
5023 | { "icount", HAS_ARG, QEMU_OPTION_icount }, | |
5024 | { "incoming", HAS_ARG, QEMU_OPTION_incoming }, | |
5025 | { NULL }, | |
5026 | }; | |
5027 | ||
5028 | /* password input */ | |
5029 | ||
5030 | int qemu_key_check(BlockDriverState *bs, const char *name) | |
5031 | { | |
5032 | char password[256]; | |
5033 | int i; | |
5034 | ||
5035 | if (!bdrv_is_encrypted(bs)) | |
5036 | return 0; | |
5037 | ||
5038 | term_printf("%s is encrypted.\n", name); | |
5039 | for(i = 0; i < 3; i++) { | |
5040 | monitor_readline("Password: ", 1, password, sizeof(password)); | |
5041 | if (bdrv_set_key(bs, password) == 0) | |
5042 | return 0; | |
5043 | term_printf("invalid password\n"); | |
5044 | } | |
5045 | return -EPERM; | |
5046 | } | |
5047 | ||
5048 | static BlockDriverState *get_bdrv(int index) | |
5049 | { | |
5050 | if (index > nb_drives) | |
5051 | return NULL; | |
5052 | return drives_table[index].bdrv; | |
5053 | } | |
5054 | ||
5055 | static void read_passwords(void) | |
5056 | { | |
5057 | BlockDriverState *bs; | |
5058 | int i; | |
5059 | ||
5060 | for(i = 0; i < 6; i++) { | |
5061 | bs = get_bdrv(i); | |
5062 | if (bs) | |
5063 | qemu_key_check(bs, bdrv_get_device_name(bs)); | |
5064 | } | |
5065 | } | |
5066 | ||
5067 | #ifdef HAS_AUDIO | |
5068 | struct soundhw soundhw[] = { | |
5069 | #ifdef HAS_AUDIO_CHOICE | |
5070 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
5071 | { | |
5072 | "pcspk", | |
5073 | "PC speaker", | |
5074 | 0, | |
5075 | 1, | |
5076 | { .init_isa = pcspk_audio_init } | |
5077 | }, | |
5078 | #endif | |
5079 | { | |
5080 | "sb16", | |
5081 | "Creative Sound Blaster 16", | |
5082 | 0, | |
5083 | 1, | |
5084 | { .init_isa = SB16_init } | |
5085 | }, | |
5086 | ||
5087 | #ifdef CONFIG_CS4231A | |
5088 | { | |
5089 | "cs4231a", | |
5090 | "CS4231A", | |
5091 | 0, | |
5092 | 1, | |
5093 | { .init_isa = cs4231a_init } | |
5094 | }, | |
5095 | #endif | |
5096 | ||
5097 | #ifdef CONFIG_ADLIB | |
5098 | { | |
5099 | "adlib", | |
5100 | #ifdef HAS_YMF262 | |
5101 | "Yamaha YMF262 (OPL3)", | |
5102 | #else | |
5103 | "Yamaha YM3812 (OPL2)", | |
5104 | #endif | |
5105 | 0, | |
5106 | 1, | |
5107 | { .init_isa = Adlib_init } | |
5108 | }, | |
5109 | #endif | |
5110 | ||
5111 | #ifdef CONFIG_GUS | |
5112 | { | |
5113 | "gus", | |
5114 | "Gravis Ultrasound GF1", | |
5115 | 0, | |
5116 | 1, | |
5117 | { .init_isa = GUS_init } | |
5118 | }, | |
5119 | #endif | |
5120 | ||
5121 | #ifdef CONFIG_AC97 | |
5122 | { | |
5123 | "ac97", | |
5124 | "Intel 82801AA AC97 Audio", | |
5125 | 0, | |
5126 | 0, | |
5127 | { .init_pci = ac97_init } | |
5128 | }, | |
5129 | #endif | |
5130 | ||
5131 | { | |
5132 | "es1370", | |
5133 | "ENSONIQ AudioPCI ES1370", | |
5134 | 0, | |
5135 | 0, | |
5136 | { .init_pci = es1370_init } | |
5137 | }, | |
5138 | #endif | |
5139 | ||
5140 | { NULL, NULL, 0, 0, { NULL } } | |
5141 | }; | |
5142 | ||
5143 | static void select_soundhw (const char *optarg) | |
5144 | { | |
5145 | struct soundhw *c; | |
5146 | ||
5147 | if (*optarg == '?') { | |
5148 | show_valid_cards: | |
5149 | ||
5150 | printf ("Valid sound card names (comma separated):\n"); | |
5151 | for (c = soundhw; c->name; ++c) { | |
5152 | printf ("%-11s %s\n", c->name, c->descr); | |
5153 | } | |
5154 | printf ("\n-soundhw all will enable all of the above\n"); | |
5155 | exit (*optarg != '?'); | |
5156 | } | |
5157 | else { | |
5158 | size_t l; | |
5159 | const char *p; | |
5160 | char *e; | |
5161 | int bad_card = 0; | |
5162 | ||
5163 | if (!strcmp (optarg, "all")) { | |
5164 | for (c = soundhw; c->name; ++c) { | |
5165 | c->enabled = 1; | |
5166 | } | |
5167 | return; | |
5168 | } | |
5169 | ||
5170 | p = optarg; | |
5171 | while (*p) { | |
5172 | e = strchr (p, ','); | |
5173 | l = !e ? strlen (p) : (size_t) (e - p); | |
5174 | ||
5175 | for (c = soundhw; c->name; ++c) { | |
5176 | if (!strncmp (c->name, p, l)) { | |
5177 | c->enabled = 1; | |
5178 | break; | |
5179 | } | |
5180 | } | |
5181 | ||
5182 | if (!c->name) { | |
5183 | if (l > 80) { | |
5184 | fprintf (stderr, | |
5185 | "Unknown sound card name (too big to show)\n"); | |
5186 | } | |
5187 | else { | |
5188 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
5189 | (int) l, p); | |
5190 | } | |
5191 | bad_card = 1; | |
5192 | } | |
5193 | p += l + (e != NULL); | |
5194 | } | |
5195 | ||
5196 | if (bad_card) | |
5197 | goto show_valid_cards; | |
5198 | } | |
5199 | } | |
5200 | #endif | |
5201 | ||
5202 | static void select_vgahw (const char *p) | |
5203 | { | |
5204 | const char *opts; | |
5205 | ||
5206 | if (strstart(p, "std", &opts)) { | |
5207 | cirrus_vga_enabled = 0; | |
5208 | vmsvga_enabled = 0; | |
5209 | } else if (strstart(p, "cirrus", &opts)) { | |
5210 | cirrus_vga_enabled = 1; | |
5211 | vmsvga_enabled = 0; | |
5212 | } else if (strstart(p, "vmware", &opts)) { | |
5213 | cirrus_vga_enabled = 0; | |
5214 | vmsvga_enabled = 1; | |
5215 | } else { | |
5216 | invalid_vga: | |
5217 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
5218 | exit(1); | |
5219 | } | |
5220 | while (*opts) { | |
5221 | const char *nextopt; | |
5222 | ||
5223 | if (strstart(opts, ",retrace=", &nextopt)) { | |
5224 | opts = nextopt; | |
5225 | if (strstart(opts, "dumb", &nextopt)) | |
5226 | vga_retrace_method = VGA_RETRACE_DUMB; | |
5227 | else if (strstart(opts, "precise", &nextopt)) | |
5228 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
5229 | else goto invalid_vga; | |
5230 | } else goto invalid_vga; | |
5231 | opts = nextopt; | |
5232 | } | |
5233 | } | |
5234 | ||
5235 | #ifdef _WIN32 | |
5236 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
5237 | { | |
5238 | exit(STATUS_CONTROL_C_EXIT); | |
5239 | return TRUE; | |
5240 | } | |
5241 | #endif | |
5242 | ||
5243 | static int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
5244 | { | |
5245 | int ret; | |
5246 | ||
5247 | if(strlen(str) != 36) | |
5248 | return -1; | |
5249 | ||
5250 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
5251 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
5252 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
5253 | ||
5254 | if(ret != 16) | |
5255 | return -1; | |
5256 | ||
5257 | return 0; | |
5258 | } | |
5259 | ||
5260 | #define MAX_NET_CLIENTS 32 | |
5261 | ||
5262 | #ifndef _WIN32 | |
5263 | ||
5264 | static void termsig_handler(int signal) | |
5265 | { | |
5266 | qemu_system_shutdown_request(); | |
5267 | } | |
5268 | ||
5269 | static void termsig_setup(void) | |
5270 | { | |
5271 | struct sigaction act; | |
5272 | ||
5273 | memset(&act, 0, sizeof(act)); | |
5274 | act.sa_handler = termsig_handler; | |
5275 | sigaction(SIGINT, &act, NULL); | |
5276 | sigaction(SIGHUP, &act, NULL); | |
5277 | sigaction(SIGTERM, &act, NULL); | |
5278 | } | |
5279 | ||
5280 | #endif | |
5281 | ||
5282 | int main(int argc, char **argv) | |
5283 | { | |
5284 | #ifdef CONFIG_GDBSTUB | |
5285 | int use_gdbstub; | |
5286 | const char *gdbstub_port; | |
5287 | #endif | |
5288 | uint32_t boot_devices_bitmap = 0; | |
5289 | int i; | |
5290 | int snapshot, linux_boot, net_boot; | |
5291 | const char *initrd_filename; | |
5292 | const char *kernel_filename, *kernel_cmdline; | |
5293 | const char *boot_devices = ""; | |
5294 | DisplayState *ds = &display_state; | |
5295 | int cyls, heads, secs, translation; | |
5296 | const char *net_clients[MAX_NET_CLIENTS]; | |
5297 | int nb_net_clients; | |
5298 | int hda_index; | |
5299 | int optind; | |
5300 | const char *r, *optarg; | |
5301 | CharDriverState *monitor_hd; | |
5302 | const char *monitor_device; | |
5303 | const char *serial_devices[MAX_SERIAL_PORTS]; | |
5304 | int serial_device_index; | |
5305 | const char *parallel_devices[MAX_PARALLEL_PORTS]; | |
5306 | int parallel_device_index; | |
5307 | const char *loadvm = NULL; | |
5308 | QEMUMachine *machine; | |
5309 | const char *cpu_model; | |
5310 | const char *usb_devices[MAX_USB_CMDLINE]; | |
5311 | int usb_devices_index; | |
5312 | int fds[2]; | |
5313 | int tb_size; | |
5314 | const char *pid_file = NULL; | |
5315 | int autostart; | |
5316 | const char *incoming = NULL; | |
5317 | ||
5318 | LIST_INIT (&vm_change_state_head); | |
5319 | #ifndef _WIN32 | |
5320 | { | |
5321 | struct sigaction act; | |
5322 | sigfillset(&act.sa_mask); | |
5323 | act.sa_flags = 0; | |
5324 | act.sa_handler = SIG_IGN; | |
5325 | sigaction(SIGPIPE, &act, NULL); | |
5326 | } | |
5327 | #else | |
5328 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
5329 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
5330 | QEMU to run on a single CPU */ | |
5331 | { | |
5332 | HANDLE h; | |
5333 | DWORD mask, smask; | |
5334 | int i; | |
5335 | h = GetCurrentProcess(); | |
5336 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
5337 | for(i = 0; i < 32; i++) { | |
5338 | if (mask & (1 << i)) | |
5339 | break; | |
5340 | } | |
5341 | if (i != 32) { | |
5342 | mask = 1 << i; | |
5343 | SetProcessAffinityMask(h, mask); | |
5344 | } | |
5345 | } | |
5346 | } | |
5347 | #endif | |
5348 | ||
5349 | register_machines(); | |
5350 | machine = first_machine; | |
5351 | cpu_model = NULL; | |
5352 | initrd_filename = NULL; | |
5353 | ram_size = 0; | |
5354 | vga_ram_size = VGA_RAM_SIZE; | |
5355 | #ifdef CONFIG_GDBSTUB | |
5356 | use_gdbstub = 0; | |
5357 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
5358 | #endif | |
5359 | snapshot = 0; | |
5360 | nographic = 0; | |
5361 | curses = 0; | |
5362 | kernel_filename = NULL; | |
5363 | kernel_cmdline = ""; | |
5364 | cyls = heads = secs = 0; | |
5365 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5366 | monitor_device = "vc"; | |
5367 | ||
5368 | serial_devices[0] = "vc:80Cx24C"; | |
5369 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
5370 | serial_devices[i] = NULL; | |
5371 | serial_device_index = 0; | |
5372 | ||
5373 | parallel_devices[0] = "vc:640x480"; | |
5374 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
5375 | parallel_devices[i] = NULL; | |
5376 | parallel_device_index = 0; | |
5377 | ||
5378 | usb_devices_index = 0; | |
5379 | ||
5380 | nb_net_clients = 0; | |
5381 | nb_drives = 0; | |
5382 | nb_drives_opt = 0; | |
5383 | hda_index = -1; | |
5384 | ||
5385 | nb_nics = 0; | |
5386 | ||
5387 | tb_size = 0; | |
5388 | autostart= 1; | |
5389 | ||
5390 | optind = 1; | |
5391 | for(;;) { | |
5392 | if (optind >= argc) | |
5393 | break; | |
5394 | r = argv[optind]; | |
5395 | if (r[0] != '-') { | |
5396 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); | |
5397 | } else { | |
5398 | const QEMUOption *popt; | |
5399 | ||
5400 | optind++; | |
5401 | /* Treat --foo the same as -foo. */ | |
5402 | if (r[1] == '-') | |
5403 | r++; | |
5404 | popt = qemu_options; | |
5405 | for(;;) { | |
5406 | if (!popt->name) { | |
5407 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
5408 | argv[0], r); | |
5409 | exit(1); | |
5410 | } | |
5411 | if (!strcmp(popt->name, r + 1)) | |
5412 | break; | |
5413 | popt++; | |
5414 | } | |
5415 | if (popt->flags & HAS_ARG) { | |
5416 | if (optind >= argc) { | |
5417 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
5418 | argv[0], r); | |
5419 | exit(1); | |
5420 | } | |
5421 | optarg = argv[optind++]; | |
5422 | } else { | |
5423 | optarg = NULL; | |
5424 | } | |
5425 | ||
5426 | switch(popt->index) { | |
5427 | case QEMU_OPTION_M: | |
5428 | machine = find_machine(optarg); | |
5429 | if (!machine) { | |
5430 | QEMUMachine *m; | |
5431 | printf("Supported machines are:\n"); | |
5432 | for(m = first_machine; m != NULL; m = m->next) { | |
5433 | printf("%-10s %s%s\n", | |
5434 | m->name, m->desc, | |
5435 | m == first_machine ? " (default)" : ""); | |
5436 | } | |
5437 | exit(*optarg != '?'); | |
5438 | } | |
5439 | break; | |
5440 | case QEMU_OPTION_cpu: | |
5441 | /* hw initialization will check this */ | |
5442 | if (*optarg == '?') { | |
5443 | /* XXX: implement xxx_cpu_list for targets that still miss it */ | |
5444 | #if defined(cpu_list) | |
5445 | cpu_list(stdout, &fprintf); | |
5446 | #endif | |
5447 | exit(0); | |
5448 | } else { | |
5449 | cpu_model = optarg; | |
5450 | } | |
5451 | break; | |
5452 | case QEMU_OPTION_initrd: | |
5453 | initrd_filename = optarg; | |
5454 | break; | |
5455 | case QEMU_OPTION_hda: | |
5456 | if (cyls == 0) | |
5457 | hda_index = drive_add(optarg, HD_ALIAS, 0); | |
5458 | else | |
5459 | hda_index = drive_add(optarg, HD_ALIAS | |
5460 | ",cyls=%d,heads=%d,secs=%d%s", | |
5461 | 0, cyls, heads, secs, | |
5462 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
5463 | ",trans=lba" : | |
5464 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5465 | ",trans=none" : ""); | |
5466 | break; | |
5467 | case QEMU_OPTION_hdb: | |
5468 | case QEMU_OPTION_hdc: | |
5469 | case QEMU_OPTION_hdd: | |
5470 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); | |
5471 | break; | |
5472 | case QEMU_OPTION_drive: | |
5473 | drive_add(NULL, "%s", optarg); | |
5474 | break; | |
5475 | case QEMU_OPTION_mtdblock: | |
5476 | drive_add(optarg, MTD_ALIAS); | |
5477 | break; | |
5478 | case QEMU_OPTION_sd: | |
5479 | drive_add(optarg, SD_ALIAS); | |
5480 | break; | |
5481 | case QEMU_OPTION_pflash: | |
5482 | drive_add(optarg, PFLASH_ALIAS); | |
5483 | break; | |
5484 | case QEMU_OPTION_snapshot: | |
5485 | snapshot = 1; | |
5486 | break; | |
5487 | case QEMU_OPTION_hdachs: | |
5488 | { | |
5489 | const char *p; | |
5490 | p = optarg; | |
5491 | cyls = strtol(p, (char **)&p, 0); | |
5492 | if (cyls < 1 || cyls > 16383) | |
5493 | goto chs_fail; | |
5494 | if (*p != ',') | |
5495 | goto chs_fail; | |
5496 | p++; | |
5497 | heads = strtol(p, (char **)&p, 0); | |
5498 | if (heads < 1 || heads > 16) | |
5499 | goto chs_fail; | |
5500 | if (*p != ',') | |
5501 | goto chs_fail; | |
5502 | p++; | |
5503 | secs = strtol(p, (char **)&p, 0); | |
5504 | if (secs < 1 || secs > 63) | |
5505 | goto chs_fail; | |
5506 | if (*p == ',') { | |
5507 | p++; | |
5508 | if (!strcmp(p, "none")) | |
5509 | translation = BIOS_ATA_TRANSLATION_NONE; | |
5510 | else if (!strcmp(p, "lba")) | |
5511 | translation = BIOS_ATA_TRANSLATION_LBA; | |
5512 | else if (!strcmp(p, "auto")) | |
5513 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
5514 | else | |
5515 | goto chs_fail; | |
5516 | } else if (*p != '\0') { | |
5517 | chs_fail: | |
5518 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
5519 | exit(1); | |
5520 | } | |
5521 | if (hda_index != -1) | |
5522 | snprintf(drives_opt[hda_index].opt, | |
5523 | sizeof(drives_opt[hda_index].opt), | |
5524 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", | |
5525 | 0, cyls, heads, secs, | |
5526 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
5527 | ",trans=lba" : | |
5528 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
5529 | ",trans=none" : ""); | |
5530 | } | |
5531 | break; | |
5532 | case QEMU_OPTION_nographic: | |
5533 | nographic = 1; | |
5534 | break; | |
5535 | #ifdef CONFIG_CURSES | |
5536 | case QEMU_OPTION_curses: | |
5537 | curses = 1; | |
5538 | break; | |
5539 | #endif | |
5540 | case QEMU_OPTION_portrait: | |
5541 | graphic_rotate = 1; | |
5542 | break; | |
5543 | case QEMU_OPTION_kernel: | |
5544 | kernel_filename = optarg; | |
5545 | break; | |
5546 | case QEMU_OPTION_append: | |
5547 | kernel_cmdline = optarg; | |
5548 | break; | |
5549 | case QEMU_OPTION_cdrom: | |
5550 | drive_add(optarg, CDROM_ALIAS); | |
5551 | break; | |
5552 | case QEMU_OPTION_boot: | |
5553 | boot_devices = optarg; | |
5554 | /* We just do some generic consistency checks */ | |
5555 | { | |
5556 | /* Could easily be extended to 64 devices if needed */ | |
5557 | const char *p; | |
5558 | ||
5559 | boot_devices_bitmap = 0; | |
5560 | for (p = boot_devices; *p != '\0'; p++) { | |
5561 | /* Allowed boot devices are: | |
5562 | * a b : floppy disk drives | |
5563 | * c ... f : IDE disk drives | |
5564 | * g ... m : machine implementation dependant drives | |
5565 | * n ... p : network devices | |
5566 | * It's up to each machine implementation to check | |
5567 | * if the given boot devices match the actual hardware | |
5568 | * implementation and firmware features. | |
5569 | */ | |
5570 | if (*p < 'a' || *p > 'q') { | |
5571 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
5572 | exit(1); | |
5573 | } | |
5574 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { | |
5575 | fprintf(stderr, | |
5576 | "Boot device '%c' was given twice\n",*p); | |
5577 | exit(1); | |
5578 | } | |
5579 | boot_devices_bitmap |= 1 << (*p - 'a'); | |
5580 | } | |
5581 | } | |
5582 | break; | |
5583 | case QEMU_OPTION_fda: | |
5584 | case QEMU_OPTION_fdb: | |
5585 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); | |
5586 | break; | |
5587 | #ifdef TARGET_I386 | |
5588 | case QEMU_OPTION_no_fd_bootchk: | |
5589 | fd_bootchk = 0; | |
5590 | break; | |
5591 | #endif | |
5592 | case QEMU_OPTION_net: | |
5593 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
5594 | fprintf(stderr, "qemu: too many network clients\n"); | |
5595 | exit(1); | |
5596 | } | |
5597 | net_clients[nb_net_clients] = optarg; | |
5598 | nb_net_clients++; | |
5599 | break; | |
5600 | #ifdef CONFIG_SLIRP | |
5601 | case QEMU_OPTION_tftp: | |
5602 | tftp_prefix = optarg; | |
5603 | break; | |
5604 | case QEMU_OPTION_bootp: | |
5605 | bootp_filename = optarg; | |
5606 | break; | |
5607 | #ifndef _WIN32 | |
5608 | case QEMU_OPTION_smb: | |
5609 | net_slirp_smb(optarg); | |
5610 | break; | |
5611 | #endif | |
5612 | case QEMU_OPTION_redir: | |
5613 | net_slirp_redir(optarg); | |
5614 | break; | |
5615 | #endif | |
5616 | #ifdef HAS_AUDIO | |
5617 | case QEMU_OPTION_audio_help: | |
5618 | AUD_help (); | |
5619 | exit (0); | |
5620 | break; | |
5621 | case QEMU_OPTION_soundhw: | |
5622 | select_soundhw (optarg); | |
5623 | break; | |
5624 | #endif | |
5625 | case QEMU_OPTION_h: | |
5626 | help(0); | |
5627 | break; | |
5628 | case QEMU_OPTION_m: { | |
5629 | uint64_t value; | |
5630 | char *ptr; | |
5631 | ||
5632 | value = strtoul(optarg, &ptr, 10); | |
5633 | switch (*ptr) { | |
5634 | case 0: case 'M': case 'm': | |
5635 | value <<= 20; | |
5636 | break; | |
5637 | case 'G': case 'g': | |
5638 | value <<= 30; | |
5639 | break; | |
5640 | default: | |
5641 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
5642 | exit(1); | |
5643 | } | |
5644 | ||
5645 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
5646 | if (value > (2047 << 20) | |
5647 | #ifndef USE_KQEMU | |
5648 | && HOST_LONG_BITS == 32 | |
5649 | #endif | |
5650 | ) { | |
5651 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); | |
5652 | exit(1); | |
5653 | } | |
5654 | if (value != (uint64_t)(ram_addr_t)value) { | |
5655 | fprintf(stderr, "qemu: ram size too large\n"); | |
5656 | exit(1); | |
5657 | } | |
5658 | ram_size = value; | |
5659 | break; | |
5660 | } | |
5661 | case QEMU_OPTION_d: | |
5662 | { | |
5663 | int mask; | |
5664 | const CPULogItem *item; | |
5665 | ||
5666 | mask = cpu_str_to_log_mask(optarg); | |
5667 | if (!mask) { | |
5668 | printf("Log items (comma separated):\n"); | |
5669 | for(item = cpu_log_items; item->mask != 0; item++) { | |
5670 | printf("%-10s %s\n", item->name, item->help); | |
5671 | } | |
5672 | exit(1); | |
5673 | } | |
5674 | cpu_set_log(mask); | |
5675 | } | |
5676 | break; | |
5677 | #ifdef CONFIG_GDBSTUB | |
5678 | case QEMU_OPTION_s: | |
5679 | use_gdbstub = 1; | |
5680 | break; | |
5681 | case QEMU_OPTION_p: | |
5682 | gdbstub_port = optarg; | |
5683 | break; | |
5684 | #endif | |
5685 | case QEMU_OPTION_L: | |
5686 | bios_dir = optarg; | |
5687 | break; | |
5688 | case QEMU_OPTION_bios: | |
5689 | bios_name = optarg; | |
5690 | break; | |
5691 | case QEMU_OPTION_S: | |
5692 | autostart = 0; | |
5693 | break; | |
5694 | case QEMU_OPTION_k: | |
5695 | keyboard_layout = optarg; | |
5696 | break; | |
5697 | case QEMU_OPTION_localtime: | |
5698 | rtc_utc = 0; | |
5699 | break; | |
5700 | case QEMU_OPTION_vga: | |
5701 | select_vgahw (optarg); | |
5702 | break; | |
5703 | case QEMU_OPTION_g: | |
5704 | { | |
5705 | const char *p; | |
5706 | int w, h, depth; | |
5707 | p = optarg; | |
5708 | w = strtol(p, (char **)&p, 10); | |
5709 | if (w <= 0) { | |
5710 | graphic_error: | |
5711 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
5712 | exit(1); | |
5713 | } | |
5714 | if (*p != 'x') | |
5715 | goto graphic_error; | |
5716 | p++; | |
5717 | h = strtol(p, (char **)&p, 10); | |
5718 | if (h <= 0) | |
5719 | goto graphic_error; | |
5720 | if (*p == 'x') { | |
5721 | p++; | |
5722 | depth = strtol(p, (char **)&p, 10); | |
5723 | if (depth != 8 && depth != 15 && depth != 16 && | |
5724 | depth != 24 && depth != 32) | |
5725 | goto graphic_error; | |
5726 | } else if (*p == '\0') { | |
5727 | depth = graphic_depth; | |
5728 | } else { | |
5729 | goto graphic_error; | |
5730 | } | |
5731 | ||
5732 | graphic_width = w; | |
5733 | graphic_height = h; | |
5734 | graphic_depth = depth; | |
5735 | } | |
5736 | break; | |
5737 | case QEMU_OPTION_echr: | |
5738 | { | |
5739 | char *r; | |
5740 | term_escape_char = strtol(optarg, &r, 0); | |
5741 | if (r == optarg) | |
5742 | printf("Bad argument to echr\n"); | |
5743 | break; | |
5744 | } | |
5745 | case QEMU_OPTION_monitor: | |
5746 | monitor_device = optarg; | |
5747 | break; | |
5748 | case QEMU_OPTION_serial: | |
5749 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
5750 | fprintf(stderr, "qemu: too many serial ports\n"); | |
5751 | exit(1); | |
5752 | } | |
5753 | serial_devices[serial_device_index] = optarg; | |
5754 | serial_device_index++; | |
5755 | break; | |
5756 | case QEMU_OPTION_parallel: | |
5757 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
5758 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
5759 | exit(1); | |
5760 | } | |
5761 | parallel_devices[parallel_device_index] = optarg; | |
5762 | parallel_device_index++; | |
5763 | break; | |
5764 | case QEMU_OPTION_loadvm: | |
5765 | loadvm = optarg; | |
5766 | break; | |
5767 | case QEMU_OPTION_full_screen: | |
5768 | full_screen = 1; | |
5769 | break; | |
5770 | #ifdef CONFIG_SDL | |
5771 | case QEMU_OPTION_no_frame: | |
5772 | no_frame = 1; | |
5773 | break; | |
5774 | case QEMU_OPTION_alt_grab: | |
5775 | alt_grab = 1; | |
5776 | break; | |
5777 | case QEMU_OPTION_no_quit: | |
5778 | no_quit = 1; | |
5779 | break; | |
5780 | #endif | |
5781 | case QEMU_OPTION_pidfile: | |
5782 | pid_file = optarg; | |
5783 | break; | |
5784 | #ifdef TARGET_I386 | |
5785 | case QEMU_OPTION_win2k_hack: | |
5786 | win2k_install_hack = 1; | |
5787 | break; | |
5788 | #endif | |
5789 | #ifdef USE_KQEMU | |
5790 | case QEMU_OPTION_no_kqemu: | |
5791 | kqemu_allowed = 0; | |
5792 | break; | |
5793 | case QEMU_OPTION_kernel_kqemu: | |
5794 | kqemu_allowed = 2; | |
5795 | break; | |
5796 | #endif | |
5797 | case QEMU_OPTION_usb: | |
5798 | usb_enabled = 1; | |
5799 | break; | |
5800 | case QEMU_OPTION_usbdevice: | |
5801 | usb_enabled = 1; | |
5802 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
5803 | fprintf(stderr, "Too many USB devices\n"); | |
5804 | exit(1); | |
5805 | } | |
5806 | usb_devices[usb_devices_index] = optarg; | |
5807 | usb_devices_index++; | |
5808 | break; | |
5809 | case QEMU_OPTION_smp: | |
5810 | smp_cpus = atoi(optarg); | |
5811 | if (smp_cpus < 1) { | |
5812 | fprintf(stderr, "Invalid number of CPUs\n"); | |
5813 | exit(1); | |
5814 | } | |
5815 | break; | |
5816 | case QEMU_OPTION_vnc: | |
5817 | vnc_display = optarg; | |
5818 | break; | |
5819 | case QEMU_OPTION_no_acpi: | |
5820 | acpi_enabled = 0; | |
5821 | break; | |
5822 | case QEMU_OPTION_no_reboot: | |
5823 | no_reboot = 1; | |
5824 | break; | |
5825 | case QEMU_OPTION_no_shutdown: | |
5826 | no_shutdown = 1; | |
5827 | break; | |
5828 | case QEMU_OPTION_show_cursor: | |
5829 | cursor_hide = 0; | |
5830 | break; | |
5831 | case QEMU_OPTION_uuid: | |
5832 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5833 | fprintf(stderr, "Fail to parse UUID string." | |
5834 | " Wrong format.\n"); | |
5835 | exit(1); | |
5836 | } | |
5837 | break; | |
5838 | case QEMU_OPTION_daemonize: | |
5839 | daemonize = 1; | |
5840 | break; | |
5841 | case QEMU_OPTION_option_rom: | |
5842 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5843 | fprintf(stderr, "Too many option ROMs\n"); | |
5844 | exit(1); | |
5845 | } | |
5846 | option_rom[nb_option_roms] = optarg; | |
5847 | nb_option_roms++; | |
5848 | break; | |
5849 | case QEMU_OPTION_semihosting: | |
5850 | semihosting_enabled = 1; | |
5851 | break; | |
5852 | case QEMU_OPTION_name: | |
5853 | qemu_name = optarg; | |
5854 | break; | |
5855 | #ifdef TARGET_SPARC | |
5856 | case QEMU_OPTION_prom_env: | |
5857 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5858 | fprintf(stderr, "Too many prom variables\n"); | |
5859 | exit(1); | |
5860 | } | |
5861 | prom_envs[nb_prom_envs] = optarg; | |
5862 | nb_prom_envs++; | |
5863 | break; | |
5864 | #endif | |
5865 | #ifdef TARGET_ARM | |
5866 | case QEMU_OPTION_old_param: | |
5867 | old_param = 1; | |
5868 | break; | |
5869 | #endif | |
5870 | case QEMU_OPTION_clock: | |
5871 | configure_alarms(optarg); | |
5872 | break; | |
5873 | case QEMU_OPTION_startdate: | |
5874 | { | |
5875 | struct tm tm; | |
5876 | time_t rtc_start_date; | |
5877 | if (!strcmp(optarg, "now")) { | |
5878 | rtc_date_offset = -1; | |
5879 | } else { | |
5880 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", | |
5881 | &tm.tm_year, | |
5882 | &tm.tm_mon, | |
5883 | &tm.tm_mday, | |
5884 | &tm.tm_hour, | |
5885 | &tm.tm_min, | |
5886 | &tm.tm_sec) == 6) { | |
5887 | /* OK */ | |
5888 | } else if (sscanf(optarg, "%d-%d-%d", | |
5889 | &tm.tm_year, | |
5890 | &tm.tm_mon, | |
5891 | &tm.tm_mday) == 3) { | |
5892 | tm.tm_hour = 0; | |
5893 | tm.tm_min = 0; | |
5894 | tm.tm_sec = 0; | |
5895 | } else { | |
5896 | goto date_fail; | |
5897 | } | |
5898 | tm.tm_year -= 1900; | |
5899 | tm.tm_mon--; | |
5900 | rtc_start_date = mktimegm(&tm); | |
5901 | if (rtc_start_date == -1) { | |
5902 | date_fail: | |
5903 | fprintf(stderr, "Invalid date format. Valid format are:\n" | |
5904 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); | |
5905 | exit(1); | |
5906 | } | |
5907 | rtc_date_offset = time(NULL) - rtc_start_date; | |
5908 | } | |
5909 | } | |
5910 | break; | |
5911 | case QEMU_OPTION_tb_size: | |
5912 | tb_size = strtol(optarg, NULL, 0); | |
5913 | if (tb_size < 0) | |
5914 | tb_size = 0; | |
5915 | break; | |
5916 | case QEMU_OPTION_icount: | |
5917 | use_icount = 1; | |
5918 | if (strcmp(optarg, "auto") == 0) { | |
5919 | icount_time_shift = -1; | |
5920 | } else { | |
5921 | icount_time_shift = strtol(optarg, NULL, 0); | |
5922 | } | |
5923 | break; | |
5924 | case QEMU_OPTION_incoming: | |
5925 | incoming = optarg; | |
5926 | break; | |
5927 | } | |
5928 | } | |
5929 | } | |
5930 | ||
5931 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ | |
5932 | if (smp_cpus > machine->max_cpus) { | |
5933 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5934 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5935 | machine->max_cpus); | |
5936 | exit(1); | |
5937 | } | |
5938 | ||
5939 | if (nographic) { | |
5940 | if (serial_device_index == 0) | |
5941 | serial_devices[0] = "stdio"; | |
5942 | if (parallel_device_index == 0) | |
5943 | parallel_devices[0] = "null"; | |
5944 | if (strncmp(monitor_device, "vc", 2) == 0) | |
5945 | monitor_device = "stdio"; | |
5946 | } | |
5947 | ||
5948 | #ifndef _WIN32 | |
5949 | if (daemonize) { | |
5950 | pid_t pid; | |
5951 | ||
5952 | if (pipe(fds) == -1) | |
5953 | exit(1); | |
5954 | ||
5955 | pid = fork(); | |
5956 | if (pid > 0) { | |
5957 | uint8_t status; | |
5958 | ssize_t len; | |
5959 | ||
5960 | close(fds[1]); | |
5961 | ||
5962 | again: | |
5963 | len = read(fds[0], &status, 1); | |
5964 | if (len == -1 && (errno == EINTR)) | |
5965 | goto again; | |
5966 | ||
5967 | if (len != 1) | |
5968 | exit(1); | |
5969 | else if (status == 1) { | |
5970 | fprintf(stderr, "Could not acquire pidfile\n"); | |
5971 | exit(1); | |
5972 | } else | |
5973 | exit(0); | |
5974 | } else if (pid < 0) | |
5975 | exit(1); | |
5976 | ||
5977 | setsid(); | |
5978 | ||
5979 | pid = fork(); | |
5980 | if (pid > 0) | |
5981 | exit(0); | |
5982 | else if (pid < 0) | |
5983 | exit(1); | |
5984 | ||
5985 | umask(027); | |
5986 | ||
5987 | signal(SIGTSTP, SIG_IGN); | |
5988 | signal(SIGTTOU, SIG_IGN); | |
5989 | signal(SIGTTIN, SIG_IGN); | |
5990 | } | |
5991 | #endif | |
5992 | ||
5993 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { | |
5994 | if (daemonize) { | |
5995 | uint8_t status = 1; | |
5996 | write(fds[1], &status, 1); | |
5997 | } else | |
5998 | fprintf(stderr, "Could not acquire pid file\n"); | |
5999 | exit(1); | |
6000 | } | |
6001 | ||
6002 | #ifdef USE_KQEMU | |
6003 | if (smp_cpus > 1) | |
6004 | kqemu_allowed = 0; | |
6005 | #endif | |
6006 | linux_boot = (kernel_filename != NULL); | |
6007 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; | |
6008 | ||
6009 | if (!linux_boot && net_boot == 0 && | |
6010 | !machine->nodisk_ok && nb_drives_opt == 0) | |
6011 | help(1); | |
6012 | ||
6013 | if (!linux_boot && *kernel_cmdline != '\0') { | |
6014 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
6015 | exit(1); | |
6016 | } | |
6017 | ||
6018 | if (!linux_boot && initrd_filename != NULL) { | |
6019 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
6020 | exit(1); | |
6021 | } | |
6022 | ||
6023 | /* boot to floppy or the default cd if no hard disk defined yet */ | |
6024 | if (!boot_devices[0]) { | |
6025 | boot_devices = "cad"; | |
6026 | } | |
6027 | setvbuf(stdout, NULL, _IOLBF, 0); | |
6028 | ||
6029 | init_timers(); | |
6030 | init_timer_alarm(); | |
6031 | if (use_icount && icount_time_shift < 0) { | |
6032 | use_icount = 2; | |
6033 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
6034 | It will be corrected fairly quickly anyway. */ | |
6035 | icount_time_shift = 3; | |
6036 | init_icount_adjust(); | |
6037 | } | |
6038 | ||
6039 | #ifdef _WIN32 | |
6040 | socket_init(); | |
6041 | #endif | |
6042 | ||
6043 | /* init network clients */ | |
6044 | if (nb_net_clients == 0) { | |
6045 | /* if no clients, we use a default config */ | |
6046 | net_clients[nb_net_clients++] = "nic"; | |
6047 | #ifdef CONFIG_SLIRP | |
6048 | net_clients[nb_net_clients++] = "user"; | |
6049 | #endif | |
6050 | } | |
6051 | ||
6052 | for(i = 0;i < nb_net_clients; i++) { | |
6053 | if (net_client_parse(net_clients[i]) < 0) | |
6054 | exit(1); | |
6055 | } | |
6056 | net_client_check(); | |
6057 | ||
6058 | #ifdef TARGET_I386 | |
6059 | /* XXX: this should be moved in the PC machine instantiation code */ | |
6060 | if (net_boot != 0) { | |
6061 | int netroms = 0; | |
6062 | for (i = 0; i < nb_nics && i < 4; i++) { | |
6063 | const char *model = nd_table[i].model; | |
6064 | char buf[1024]; | |
6065 | if (net_boot & (1 << i)) { | |
6066 | if (model == NULL) | |
6067 | model = "ne2k_pci"; | |
6068 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); | |
6069 | if (get_image_size(buf) > 0) { | |
6070 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
6071 | fprintf(stderr, "Too many option ROMs\n"); | |
6072 | exit(1); | |
6073 | } | |
6074 | option_rom[nb_option_roms] = strdup(buf); | |
6075 | nb_option_roms++; | |
6076 | netroms++; | |
6077 | } | |
6078 | } | |
6079 | } | |
6080 | if (netroms == 0) { | |
6081 | fprintf(stderr, "No valid PXE rom found for network device\n"); | |
6082 | exit(1); | |
6083 | } | |
6084 | } | |
6085 | #endif | |
6086 | ||
6087 | /* init the memory */ | |
6088 | phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; | |
6089 | ||
6090 | if (machine->ram_require & RAMSIZE_FIXED) { | |
6091 | if (ram_size > 0) { | |
6092 | if (ram_size < phys_ram_size) { | |
6093 | fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n", | |
6094 | machine->name, (unsigned long long) phys_ram_size); | |
6095 | exit(-1); | |
6096 | } | |
6097 | ||
6098 | phys_ram_size = ram_size; | |
6099 | } else | |
6100 | ram_size = phys_ram_size; | |
6101 | } else { | |
6102 | if (ram_size == 0) | |
6103 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
6104 | ||
6105 | phys_ram_size += ram_size; | |
6106 | } | |
6107 | ||
6108 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
6109 | if (!phys_ram_base) { | |
6110 | fprintf(stderr, "Could not allocate physical memory\n"); | |
6111 | exit(1); | |
6112 | } | |
6113 | ||
6114 | /* init the dynamic translator */ | |
6115 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
6116 | ||
6117 | bdrv_init(); | |
6118 | ||
6119 | /* we always create the cdrom drive, even if no disk is there */ | |
6120 | ||
6121 | if (nb_drives_opt < MAX_DRIVES) | |
6122 | drive_add(NULL, CDROM_ALIAS); | |
6123 | ||
6124 | /* we always create at least one floppy */ | |
6125 | ||
6126 | if (nb_drives_opt < MAX_DRIVES) | |
6127 | drive_add(NULL, FD_ALIAS, 0); | |
6128 | ||
6129 | /* we always create one sd slot, even if no card is in it */ | |
6130 | ||
6131 | if (nb_drives_opt < MAX_DRIVES) | |
6132 | drive_add(NULL, SD_ALIAS); | |
6133 | ||
6134 | /* open the virtual block devices */ | |
6135 | ||
6136 | for(i = 0; i < nb_drives_opt; i++) | |
6137 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) | |
6138 | exit(1); | |
6139 | ||
6140 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
6141 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); | |
6142 | ||
6143 | /* terminal init */ | |
6144 | memset(&display_state, 0, sizeof(display_state)); | |
6145 | if (nographic) { | |
6146 | if (curses) { | |
6147 | fprintf(stderr, "fatal: -nographic can't be used with -curses\n"); | |
6148 | exit(1); | |
6149 | } | |
6150 | /* nearly nothing to do */ | |
6151 | dumb_display_init(ds); | |
6152 | } else if (vnc_display != NULL) { | |
6153 | vnc_display_init(ds); | |
6154 | if (vnc_display_open(ds, vnc_display) < 0) | |
6155 | exit(1); | |
6156 | } else | |
6157 | #if defined(CONFIG_CURSES) | |
6158 | if (curses) { | |
6159 | curses_display_init(ds, full_screen); | |
6160 | } else | |
6161 | #endif | |
6162 | { | |
6163 | #if defined(CONFIG_SDL) | |
6164 | sdl_display_init(ds, full_screen, no_frame); | |
6165 | #elif defined(CONFIG_COCOA) | |
6166 | cocoa_display_init(ds, full_screen); | |
6167 | #else | |
6168 | dumb_display_init(ds); | |
6169 | #endif | |
6170 | } | |
6171 | ||
6172 | #ifndef _WIN32 | |
6173 | /* must be after terminal init, SDL library changes signal handlers */ | |
6174 | termsig_setup(); | |
6175 | #endif | |
6176 | ||
6177 | /* Maintain compatibility with multiple stdio monitors */ | |
6178 | if (!strcmp(monitor_device,"stdio")) { | |
6179 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
6180 | const char *devname = serial_devices[i]; | |
6181 | if (devname && !strcmp(devname,"mon:stdio")) { | |
6182 | monitor_device = NULL; | |
6183 | break; | |
6184 | } else if (devname && !strcmp(devname,"stdio")) { | |
6185 | monitor_device = NULL; | |
6186 | serial_devices[i] = "mon:stdio"; | |
6187 | break; | |
6188 | } | |
6189 | } | |
6190 | } | |
6191 | if (monitor_device) { | |
6192 | monitor_hd = qemu_chr_open("monitor", monitor_device); | |
6193 | if (!monitor_hd) { | |
6194 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
6195 | exit(1); | |
6196 | } | |
6197 | monitor_init(monitor_hd, !nographic); | |
6198 | } | |
6199 | ||
6200 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
6201 | const char *devname = serial_devices[i]; | |
6202 | if (devname && strcmp(devname, "none")) { | |
6203 | char label[32]; | |
6204 | snprintf(label, sizeof(label), "serial%d", i); | |
6205 | serial_hds[i] = qemu_chr_open(label, devname); | |
6206 | if (!serial_hds[i]) { | |
6207 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
6208 | devname); | |
6209 | exit(1); | |
6210 | } | |
6211 | if (strstart(devname, "vc", 0)) | |
6212 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
6213 | } | |
6214 | } | |
6215 | ||
6216 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
6217 | const char *devname = parallel_devices[i]; | |
6218 | if (devname && strcmp(devname, "none")) { | |
6219 | char label[32]; | |
6220 | snprintf(label, sizeof(label), "parallel%d", i); | |
6221 | parallel_hds[i] = qemu_chr_open(label, devname); | |
6222 | if (!parallel_hds[i]) { | |
6223 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
6224 | devname); | |
6225 | exit(1); | |
6226 | } | |
6227 | if (strstart(devname, "vc", 0)) | |
6228 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
6229 | } | |
6230 | } | |
6231 | ||
6232 | machine->init(ram_size, vga_ram_size, boot_devices, ds, | |
6233 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
6234 | ||
6235 | /* init USB devices */ | |
6236 | if (usb_enabled) { | |
6237 | for(i = 0; i < usb_devices_index; i++) { | |
6238 | if (usb_device_add(usb_devices[i]) < 0) { | |
6239 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
6240 | usb_devices[i]); | |
6241 | } | |
6242 | } | |
6243 | } | |
6244 | ||
6245 | if (display_state.dpy_refresh) { | |
6246 | display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); | |
6247 | qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); | |
6248 | } | |
6249 | ||
6250 | #ifdef CONFIG_GDBSTUB | |
6251 | if (use_gdbstub) { | |
6252 | /* XXX: use standard host:port notation and modify options | |
6253 | accordingly. */ | |
6254 | if (gdbserver_start(gdbstub_port) < 0) { | |
6255 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", | |
6256 | gdbstub_port); | |
6257 | exit(1); | |
6258 | } | |
6259 | } | |
6260 | #endif | |
6261 | ||
6262 | if (loadvm) | |
6263 | do_loadvm(loadvm); | |
6264 | ||
6265 | if (incoming) { | |
6266 | autostart = 0; /* fixme how to deal with -daemonize */ | |
6267 | qemu_start_incoming_migration(incoming); | |
6268 | } | |
6269 | ||
6270 | { | |
6271 | /* XXX: simplify init */ | |
6272 | read_passwords(); | |
6273 | if (autostart) { | |
6274 | vm_start(); | |
6275 | } | |
6276 | } | |
6277 | ||
6278 | if (daemonize) { | |
6279 | uint8_t status = 0; | |
6280 | ssize_t len; | |
6281 | int fd; | |
6282 | ||
6283 | again1: | |
6284 | len = write(fds[1], &status, 1); | |
6285 | if (len == -1 && (errno == EINTR)) | |
6286 | goto again1; | |
6287 | ||
6288 | if (len != 1) | |
6289 | exit(1); | |
6290 | ||
6291 | chdir("/"); | |
6292 | TFR(fd = open("/dev/null", O_RDWR)); | |
6293 | if (fd == -1) | |
6294 | exit(1); | |
6295 | ||
6296 | dup2(fd, 0); | |
6297 | dup2(fd, 1); | |
6298 | dup2(fd, 2); | |
6299 | ||
6300 | close(fd); | |
6301 | } | |
6302 | ||
6303 | main_loop(); | |
6304 | quit_timers(); | |
6305 | net_cleanup(); | |
6306 | ||
6307 | return 0; | |
6308 | } |