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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 "cache-utils.h" | |
40 | #include "block.h" | |
41 | #include "audio/audio.h" | |
42 | #include "migration.h" | |
43 | #include "kvm.h" | |
44 | #include "balloon.h" | |
45 | ||
46 | #include <unistd.h> | |
47 | #include <fcntl.h> | |
48 | #include <signal.h> | |
49 | #include <time.h> | |
50 | #include <errno.h> | |
51 | #include <sys/time.h> | |
52 | #include <zlib.h> | |
53 | ||
54 | #ifndef _WIN32 | |
55 | #include <sys/times.h> | |
56 | #include <sys/wait.h> | |
57 | #include <termios.h> | |
58 | #include <sys/mman.h> | |
59 | #include <sys/ioctl.h> | |
60 | #include <sys/resource.h> | |
61 | #include <sys/socket.h> | |
62 | #include <netinet/in.h> | |
63 | #include <net/if.h> | |
64 | #if defined(__NetBSD__) | |
65 | #include <net/if_tap.h> | |
66 | #endif | |
67 | #ifdef __linux__ | |
68 | #include <linux/if_tun.h> | |
69 | #endif | |
70 | #include <arpa/inet.h> | |
71 | #include <dirent.h> | |
72 | #include <netdb.h> | |
73 | #include <sys/select.h> | |
74 | #ifdef _BSD | |
75 | #include <sys/stat.h> | |
76 | #ifdef __FreeBSD__ | |
77 | #include <libutil.h> | |
78 | #else | |
79 | #include <util.h> | |
80 | #endif | |
81 | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) | |
82 | #include <freebsd/stdlib.h> | |
83 | #else | |
84 | #ifdef __linux__ | |
85 | #include <pty.h> | |
86 | #include <malloc.h> | |
87 | #include <linux/rtc.h> | |
88 | ||
89 | /* For the benefit of older linux systems which don't supply it, | |
90 | we use a local copy of hpet.h. */ | |
91 | /* #include <linux/hpet.h> */ | |
92 | #include "hpet.h" | |
93 | ||
94 | #include <linux/ppdev.h> | |
95 | #include <linux/parport.h> | |
96 | #endif | |
97 | #ifdef __sun__ | |
98 | #include <sys/stat.h> | |
99 | #include <sys/ethernet.h> | |
100 | #include <sys/sockio.h> | |
101 | #include <netinet/arp.h> | |
102 | #include <netinet/in.h> | |
103 | #include <netinet/in_systm.h> | |
104 | #include <netinet/ip.h> | |
105 | #include <netinet/ip_icmp.h> // must come after ip.h | |
106 | #include <netinet/udp.h> | |
107 | #include <netinet/tcp.h> | |
108 | #include <net/if.h> | |
109 | #include <syslog.h> | |
110 | #include <stropts.h> | |
111 | #endif | |
112 | #endif | |
113 | #endif | |
114 | ||
115 | #include "qemu_socket.h" | |
116 | ||
117 | #if defined(CONFIG_SLIRP) | |
118 | #include "libslirp.h" | |
119 | #endif | |
120 | ||
121 | #if defined(__OpenBSD__) | |
122 | #include <util.h> | |
123 | #endif | |
124 | ||
125 | #if defined(CONFIG_VDE) | |
126 | #include <libvdeplug.h> | |
127 | #endif | |
128 | ||
129 | #ifdef _WIN32 | |
130 | #include <malloc.h> | |
131 | #include <sys/timeb.h> | |
132 | #include <mmsystem.h> | |
133 | #define getopt_long_only getopt_long | |
134 | #define memalign(align, size) malloc(size) | |
135 | #endif | |
136 | ||
137 | #ifdef CONFIG_SDL | |
138 | #ifdef __APPLE__ | |
139 | #include <SDL/SDL.h> | |
140 | #endif | |
141 | #endif /* CONFIG_SDL */ | |
142 | ||
143 | #ifdef CONFIG_COCOA | |
144 | #undef main | |
145 | #define main qemu_main | |
146 | #endif /* CONFIG_COCOA */ | |
147 | ||
148 | #include "disas.h" | |
149 | ||
150 | #include "exec-all.h" | |
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 | /* Max number of bluetooth switches on the commandline. */ | |
167 | #define MAX_BT_CMDLINE 10 | |
168 | ||
169 | /* XXX: use a two level table to limit memory usage */ | |
170 | #define MAX_IOPORTS 65536 | |
171 | ||
172 | const char *bios_dir = CONFIG_QEMU_SHAREDIR; | |
173 | const char *bios_name = NULL; | |
174 | static void *ioport_opaque[MAX_IOPORTS]; | |
175 | static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; | |
176 | static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; | |
177 | /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available | |
178 | to store the VM snapshots */ | |
179 | DriveInfo drives_table[MAX_DRIVES+1]; | |
180 | int nb_drives; | |
181 | static int vga_ram_size; | |
182 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; | |
183 | DisplayState display_state; | |
184 | int nographic; | |
185 | static int curses; | |
186 | const char* keyboard_layout = NULL; | |
187 | int64_t ticks_per_sec; | |
188 | ram_addr_t ram_size; | |
189 | int nb_nics; | |
190 | NICInfo nd_table[MAX_NICS]; | |
191 | int vm_running; | |
192 | static int rtc_utc = 1; | |
193 | static int rtc_date_offset = -1; /* -1 means no change */ | |
194 | int cirrus_vga_enabled = 1; | |
195 | int vmsvga_enabled = 0; | |
196 | #ifdef TARGET_SPARC | |
197 | int graphic_width = 1024; | |
198 | int graphic_height = 768; | |
199 | int graphic_depth = 8; | |
200 | #else | |
201 | int graphic_width = 800; | |
202 | int graphic_height = 600; | |
203 | int graphic_depth = 15; | |
204 | #endif | |
205 | static int full_screen = 0; | |
206 | #ifdef CONFIG_SDL | |
207 | static int no_frame = 0; | |
208 | #endif | |
209 | int no_quit = 0; | |
210 | CharDriverState *serial_hds[MAX_SERIAL_PORTS]; | |
211 | CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; | |
212 | CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; | |
213 | #ifdef TARGET_I386 | |
214 | int win2k_install_hack = 0; | |
215 | #endif | |
216 | int usb_enabled = 0; | |
217 | int smp_cpus = 1; | |
218 | const char *vnc_display; | |
219 | int acpi_enabled = 1; | |
220 | int no_hpet = 0; | |
221 | int fd_bootchk = 1; | |
222 | int no_reboot = 0; | |
223 | int no_shutdown = 0; | |
224 | int cursor_hide = 1; | |
225 | int graphic_rotate = 0; | |
226 | int daemonize = 0; | |
227 | const char *option_rom[MAX_OPTION_ROMS]; | |
228 | int nb_option_roms; | |
229 | int semihosting_enabled = 0; | |
230 | #ifdef TARGET_ARM | |
231 | int old_param = 0; | |
232 | #endif | |
233 | const char *qemu_name; | |
234 | int alt_grab = 0; | |
235 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) | |
236 | unsigned int nb_prom_envs = 0; | |
237 | const char *prom_envs[MAX_PROM_ENVS]; | |
238 | #endif | |
239 | static int nb_drives_opt; | |
240 | static struct drive_opt { | |
241 | const char *file; | |
242 | char opt[1024]; | |
243 | } drives_opt[MAX_DRIVES]; | |
244 | ||
245 | static CPUState *cur_cpu; | |
246 | static CPUState *next_cpu; | |
247 | static int event_pending = 1; | |
248 | /* Conversion factor from emulated instructions to virtual clock ticks. */ | |
249 | static int icount_time_shift; | |
250 | /* Arbitrarily pick 1MIPS as the minimum allowable speed. */ | |
251 | #define MAX_ICOUNT_SHIFT 10 | |
252 | /* Compensate for varying guest execution speed. */ | |
253 | static int64_t qemu_icount_bias; | |
254 | static QEMUTimer *icount_rt_timer; | |
255 | static QEMUTimer *icount_vm_timer; | |
256 | ||
257 | uint8_t qemu_uuid[16]; | |
258 | ||
259 | /***********************************************************/ | |
260 | /* x86 ISA bus support */ | |
261 | ||
262 | target_phys_addr_t isa_mem_base = 0; | |
263 | PicState2 *isa_pic; | |
264 | ||
265 | static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; | |
266 | static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; | |
267 | ||
268 | static uint32_t ioport_read(int index, uint32_t address) | |
269 | { | |
270 | static IOPortReadFunc *default_func[3] = { | |
271 | default_ioport_readb, | |
272 | default_ioport_readw, | |
273 | default_ioport_readl | |
274 | }; | |
275 | IOPortReadFunc *func = ioport_read_table[index][address]; | |
276 | if (!func) | |
277 | func = default_func[index]; | |
278 | return func(ioport_opaque[address], address); | |
279 | } | |
280 | ||
281 | static void ioport_write(int index, uint32_t address, uint32_t data) | |
282 | { | |
283 | static IOPortWriteFunc *default_func[3] = { | |
284 | default_ioport_writeb, | |
285 | default_ioport_writew, | |
286 | default_ioport_writel | |
287 | }; | |
288 | IOPortWriteFunc *func = ioport_write_table[index][address]; | |
289 | if (!func) | |
290 | func = default_func[index]; | |
291 | func(ioport_opaque[address], address, data); | |
292 | } | |
293 | ||
294 | static uint32_t default_ioport_readb(void *opaque, uint32_t address) | |
295 | { | |
296 | #ifdef DEBUG_UNUSED_IOPORT | |
297 | fprintf(stderr, "unused inb: port=0x%04x\n", address); | |
298 | #endif | |
299 | return 0xff; | |
300 | } | |
301 | ||
302 | static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) | |
303 | { | |
304 | #ifdef DEBUG_UNUSED_IOPORT | |
305 | fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); | |
306 | #endif | |
307 | } | |
308 | ||
309 | /* default is to make two byte accesses */ | |
310 | static uint32_t default_ioport_readw(void *opaque, uint32_t address) | |
311 | { | |
312 | uint32_t data; | |
313 | data = ioport_read(0, address); | |
314 | address = (address + 1) & (MAX_IOPORTS - 1); | |
315 | data |= ioport_read(0, address) << 8; | |
316 | return data; | |
317 | } | |
318 | ||
319 | static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) | |
320 | { | |
321 | ioport_write(0, address, data & 0xff); | |
322 | address = (address + 1) & (MAX_IOPORTS - 1); | |
323 | ioport_write(0, address, (data >> 8) & 0xff); | |
324 | } | |
325 | ||
326 | static uint32_t default_ioport_readl(void *opaque, uint32_t address) | |
327 | { | |
328 | #ifdef DEBUG_UNUSED_IOPORT | |
329 | fprintf(stderr, "unused inl: port=0x%04x\n", address); | |
330 | #endif | |
331 | return 0xffffffff; | |
332 | } | |
333 | ||
334 | static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) | |
335 | { | |
336 | #ifdef DEBUG_UNUSED_IOPORT | |
337 | fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); | |
338 | #endif | |
339 | } | |
340 | ||
341 | /* size is the word size in byte */ | |
342 | int register_ioport_read(int start, int length, int size, | |
343 | IOPortReadFunc *func, void *opaque) | |
344 | { | |
345 | int i, bsize; | |
346 | ||
347 | if (size == 1) { | |
348 | bsize = 0; | |
349 | } else if (size == 2) { | |
350 | bsize = 1; | |
351 | } else if (size == 4) { | |
352 | bsize = 2; | |
353 | } else { | |
354 | hw_error("register_ioport_read: invalid size"); | |
355 | return -1; | |
356 | } | |
357 | for(i = start; i < start + length; i += size) { | |
358 | ioport_read_table[bsize][i] = func; | |
359 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
360 | hw_error("register_ioport_read: invalid opaque"); | |
361 | ioport_opaque[i] = opaque; | |
362 | } | |
363 | return 0; | |
364 | } | |
365 | ||
366 | /* size is the word size in byte */ | |
367 | int register_ioport_write(int start, int length, int size, | |
368 | IOPortWriteFunc *func, void *opaque) | |
369 | { | |
370 | int i, bsize; | |
371 | ||
372 | if (size == 1) { | |
373 | bsize = 0; | |
374 | } else if (size == 2) { | |
375 | bsize = 1; | |
376 | } else if (size == 4) { | |
377 | bsize = 2; | |
378 | } else { | |
379 | hw_error("register_ioport_write: invalid size"); | |
380 | return -1; | |
381 | } | |
382 | for(i = start; i < start + length; i += size) { | |
383 | ioport_write_table[bsize][i] = func; | |
384 | if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) | |
385 | hw_error("register_ioport_write: invalid opaque"); | |
386 | ioport_opaque[i] = opaque; | |
387 | } | |
388 | return 0; | |
389 | } | |
390 | ||
391 | void isa_unassign_ioport(int start, int length) | |
392 | { | |
393 | int i; | |
394 | ||
395 | for(i = start; i < start + length; i++) { | |
396 | ioport_read_table[0][i] = default_ioport_readb; | |
397 | ioport_read_table[1][i] = default_ioport_readw; | |
398 | ioport_read_table[2][i] = default_ioport_readl; | |
399 | ||
400 | ioport_write_table[0][i] = default_ioport_writeb; | |
401 | ioport_write_table[1][i] = default_ioport_writew; | |
402 | ioport_write_table[2][i] = default_ioport_writel; | |
403 | } | |
404 | } | |
405 | ||
406 | /***********************************************************/ | |
407 | ||
408 | void cpu_outb(CPUState *env, int addr, int val) | |
409 | { | |
410 | #ifdef DEBUG_IOPORT | |
411 | if (loglevel & CPU_LOG_IOPORT) | |
412 | fprintf(logfile, "outb: %04x %02x\n", addr, val); | |
413 | #endif | |
414 | ioport_write(0, addr, val); | |
415 | #ifdef USE_KQEMU | |
416 | if (env) | |
417 | env->last_io_time = cpu_get_time_fast(); | |
418 | #endif | |
419 | } | |
420 | ||
421 | void cpu_outw(CPUState *env, int addr, int val) | |
422 | { | |
423 | #ifdef DEBUG_IOPORT | |
424 | if (loglevel & CPU_LOG_IOPORT) | |
425 | fprintf(logfile, "outw: %04x %04x\n", addr, val); | |
426 | #endif | |
427 | ioport_write(1, addr, val); | |
428 | #ifdef USE_KQEMU | |
429 | if (env) | |
430 | env->last_io_time = cpu_get_time_fast(); | |
431 | #endif | |
432 | } | |
433 | ||
434 | void cpu_outl(CPUState *env, int addr, int val) | |
435 | { | |
436 | #ifdef DEBUG_IOPORT | |
437 | if (loglevel & CPU_LOG_IOPORT) | |
438 | fprintf(logfile, "outl: %04x %08x\n", addr, val); | |
439 | #endif | |
440 | ioport_write(2, addr, val); | |
441 | #ifdef USE_KQEMU | |
442 | if (env) | |
443 | env->last_io_time = cpu_get_time_fast(); | |
444 | #endif | |
445 | } | |
446 | ||
447 | int cpu_inb(CPUState *env, int addr) | |
448 | { | |
449 | int val; | |
450 | val = ioport_read(0, addr); | |
451 | #ifdef DEBUG_IOPORT | |
452 | if (loglevel & CPU_LOG_IOPORT) | |
453 | fprintf(logfile, "inb : %04x %02x\n", addr, val); | |
454 | #endif | |
455 | #ifdef USE_KQEMU | |
456 | if (env) | |
457 | env->last_io_time = cpu_get_time_fast(); | |
458 | #endif | |
459 | return val; | |
460 | } | |
461 | ||
462 | int cpu_inw(CPUState *env, int addr) | |
463 | { | |
464 | int val; | |
465 | val = ioport_read(1, addr); | |
466 | #ifdef DEBUG_IOPORT | |
467 | if (loglevel & CPU_LOG_IOPORT) | |
468 | fprintf(logfile, "inw : %04x %04x\n", addr, val); | |
469 | #endif | |
470 | #ifdef USE_KQEMU | |
471 | if (env) | |
472 | env->last_io_time = cpu_get_time_fast(); | |
473 | #endif | |
474 | return val; | |
475 | } | |
476 | ||
477 | int cpu_inl(CPUState *env, int addr) | |
478 | { | |
479 | int val; | |
480 | val = ioport_read(2, addr); | |
481 | #ifdef DEBUG_IOPORT | |
482 | if (loglevel & CPU_LOG_IOPORT) | |
483 | fprintf(logfile, "inl : %04x %08x\n", addr, val); | |
484 | #endif | |
485 | #ifdef USE_KQEMU | |
486 | if (env) | |
487 | env->last_io_time = cpu_get_time_fast(); | |
488 | #endif | |
489 | return val; | |
490 | } | |
491 | ||
492 | /***********************************************************/ | |
493 | void hw_error(const char *fmt, ...) | |
494 | { | |
495 | va_list ap; | |
496 | CPUState *env; | |
497 | ||
498 | va_start(ap, fmt); | |
499 | fprintf(stderr, "qemu: hardware error: "); | |
500 | vfprintf(stderr, fmt, ap); | |
501 | fprintf(stderr, "\n"); | |
502 | for(env = first_cpu; env != NULL; env = env->next_cpu) { | |
503 | fprintf(stderr, "CPU #%d:\n", env->cpu_index); | |
504 | #ifdef TARGET_I386 | |
505 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); | |
506 | #else | |
507 | cpu_dump_state(env, stderr, fprintf, 0); | |
508 | #endif | |
509 | } | |
510 | va_end(ap); | |
511 | abort(); | |
512 | } | |
513 | ||
514 | /***************/ | |
515 | /* ballooning */ | |
516 | ||
517 | static QEMUBalloonEvent *qemu_balloon_event; | |
518 | void *qemu_balloon_event_opaque; | |
519 | ||
520 | void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) | |
521 | { | |
522 | qemu_balloon_event = func; | |
523 | qemu_balloon_event_opaque = opaque; | |
524 | } | |
525 | ||
526 | void qemu_balloon(ram_addr_t target) | |
527 | { | |
528 | if (qemu_balloon_event) | |
529 | qemu_balloon_event(qemu_balloon_event_opaque, target); | |
530 | } | |
531 | ||
532 | ram_addr_t qemu_balloon_status(void) | |
533 | { | |
534 | if (qemu_balloon_event) | |
535 | return qemu_balloon_event(qemu_balloon_event_opaque, 0); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | /***********************************************************/ | |
540 | /* keyboard/mouse */ | |
541 | ||
542 | static QEMUPutKBDEvent *qemu_put_kbd_event; | |
543 | static void *qemu_put_kbd_event_opaque; | |
544 | static QEMUPutMouseEntry *qemu_put_mouse_event_head; | |
545 | static QEMUPutMouseEntry *qemu_put_mouse_event_current; | |
546 | ||
547 | void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) | |
548 | { | |
549 | qemu_put_kbd_event_opaque = opaque; | |
550 | qemu_put_kbd_event = func; | |
551 | } | |
552 | ||
553 | QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, | |
554 | void *opaque, int absolute, | |
555 | const char *name) | |
556 | { | |
557 | QEMUPutMouseEntry *s, *cursor; | |
558 | ||
559 | s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); | |
560 | if (!s) | |
561 | return NULL; | |
562 | ||
563 | s->qemu_put_mouse_event = func; | |
564 | s->qemu_put_mouse_event_opaque = opaque; | |
565 | s->qemu_put_mouse_event_absolute = absolute; | |
566 | s->qemu_put_mouse_event_name = qemu_strdup(name); | |
567 | s->next = NULL; | |
568 | ||
569 | if (!qemu_put_mouse_event_head) { | |
570 | qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; | |
571 | return s; | |
572 | } | |
573 | ||
574 | cursor = qemu_put_mouse_event_head; | |
575 | while (cursor->next != NULL) | |
576 | cursor = cursor->next; | |
577 | ||
578 | cursor->next = s; | |
579 | qemu_put_mouse_event_current = s; | |
580 | ||
581 | return s; | |
582 | } | |
583 | ||
584 | void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) | |
585 | { | |
586 | QEMUPutMouseEntry *prev = NULL, *cursor; | |
587 | ||
588 | if (!qemu_put_mouse_event_head || entry == NULL) | |
589 | return; | |
590 | ||
591 | cursor = qemu_put_mouse_event_head; | |
592 | while (cursor != NULL && cursor != entry) { | |
593 | prev = cursor; | |
594 | cursor = cursor->next; | |
595 | } | |
596 | ||
597 | if (cursor == NULL) // does not exist or list empty | |
598 | return; | |
599 | else if (prev == NULL) { // entry is head | |
600 | qemu_put_mouse_event_head = cursor->next; | |
601 | if (qemu_put_mouse_event_current == entry) | |
602 | qemu_put_mouse_event_current = cursor->next; | |
603 | qemu_free(entry->qemu_put_mouse_event_name); | |
604 | qemu_free(entry); | |
605 | return; | |
606 | } | |
607 | ||
608 | prev->next = entry->next; | |
609 | ||
610 | if (qemu_put_mouse_event_current == entry) | |
611 | qemu_put_mouse_event_current = prev; | |
612 | ||
613 | qemu_free(entry->qemu_put_mouse_event_name); | |
614 | qemu_free(entry); | |
615 | } | |
616 | ||
617 | void kbd_put_keycode(int keycode) | |
618 | { | |
619 | if (qemu_put_kbd_event) { | |
620 | qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); | |
621 | } | |
622 | } | |
623 | ||
624 | void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) | |
625 | { | |
626 | QEMUPutMouseEvent *mouse_event; | |
627 | void *mouse_event_opaque; | |
628 | int width; | |
629 | ||
630 | if (!qemu_put_mouse_event_current) { | |
631 | return; | |
632 | } | |
633 | ||
634 | mouse_event = | |
635 | qemu_put_mouse_event_current->qemu_put_mouse_event; | |
636 | mouse_event_opaque = | |
637 | qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; | |
638 | ||
639 | if (mouse_event) { | |
640 | if (graphic_rotate) { | |
641 | if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) | |
642 | width = 0x7fff; | |
643 | else | |
644 | width = graphic_width - 1; | |
645 | mouse_event(mouse_event_opaque, | |
646 | width - dy, dx, dz, buttons_state); | |
647 | } else | |
648 | mouse_event(mouse_event_opaque, | |
649 | dx, dy, dz, buttons_state); | |
650 | } | |
651 | } | |
652 | ||
653 | int kbd_mouse_is_absolute(void) | |
654 | { | |
655 | if (!qemu_put_mouse_event_current) | |
656 | return 0; | |
657 | ||
658 | return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; | |
659 | } | |
660 | ||
661 | void do_info_mice(void) | |
662 | { | |
663 | QEMUPutMouseEntry *cursor; | |
664 | int index = 0; | |
665 | ||
666 | if (!qemu_put_mouse_event_head) { | |
667 | term_printf("No mouse devices connected\n"); | |
668 | return; | |
669 | } | |
670 | ||
671 | term_printf("Mouse devices available:\n"); | |
672 | cursor = qemu_put_mouse_event_head; | |
673 | while (cursor != NULL) { | |
674 | term_printf("%c Mouse #%d: %s\n", | |
675 | (cursor == qemu_put_mouse_event_current ? '*' : ' '), | |
676 | index, cursor->qemu_put_mouse_event_name); | |
677 | index++; | |
678 | cursor = cursor->next; | |
679 | } | |
680 | } | |
681 | ||
682 | void do_mouse_set(int index) | |
683 | { | |
684 | QEMUPutMouseEntry *cursor; | |
685 | int i = 0; | |
686 | ||
687 | if (!qemu_put_mouse_event_head) { | |
688 | term_printf("No mouse devices connected\n"); | |
689 | return; | |
690 | } | |
691 | ||
692 | cursor = qemu_put_mouse_event_head; | |
693 | while (cursor != NULL && index != i) { | |
694 | i++; | |
695 | cursor = cursor->next; | |
696 | } | |
697 | ||
698 | if (cursor != NULL) | |
699 | qemu_put_mouse_event_current = cursor; | |
700 | else | |
701 | term_printf("Mouse at given index not found\n"); | |
702 | } | |
703 | ||
704 | /* compute with 96 bit intermediate result: (a*b)/c */ | |
705 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) | |
706 | { | |
707 | union { | |
708 | uint64_t ll; | |
709 | struct { | |
710 | #ifdef WORDS_BIGENDIAN | |
711 | uint32_t high, low; | |
712 | #else | |
713 | uint32_t low, high; | |
714 | #endif | |
715 | } l; | |
716 | } u, res; | |
717 | uint64_t rl, rh; | |
718 | ||
719 | u.ll = a; | |
720 | rl = (uint64_t)u.l.low * (uint64_t)b; | |
721 | rh = (uint64_t)u.l.high * (uint64_t)b; | |
722 | rh += (rl >> 32); | |
723 | res.l.high = rh / c; | |
724 | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; | |
725 | return res.ll; | |
726 | } | |
727 | ||
728 | /***********************************************************/ | |
729 | /* real time host monotonic timer */ | |
730 | ||
731 | #define QEMU_TIMER_BASE 1000000000LL | |
732 | ||
733 | #ifdef WIN32 | |
734 | ||
735 | static int64_t clock_freq; | |
736 | ||
737 | static void init_get_clock(void) | |
738 | { | |
739 | LARGE_INTEGER freq; | |
740 | int ret; | |
741 | ret = QueryPerformanceFrequency(&freq); | |
742 | if (ret == 0) { | |
743 | fprintf(stderr, "Could not calibrate ticks\n"); | |
744 | exit(1); | |
745 | } | |
746 | clock_freq = freq.QuadPart; | |
747 | } | |
748 | ||
749 | static int64_t get_clock(void) | |
750 | { | |
751 | LARGE_INTEGER ti; | |
752 | QueryPerformanceCounter(&ti); | |
753 | return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); | |
754 | } | |
755 | ||
756 | #else | |
757 | ||
758 | static int use_rt_clock; | |
759 | ||
760 | static void init_get_clock(void) | |
761 | { | |
762 | use_rt_clock = 0; | |
763 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
764 | { | |
765 | struct timespec ts; | |
766 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { | |
767 | use_rt_clock = 1; | |
768 | } | |
769 | } | |
770 | #endif | |
771 | } | |
772 | ||
773 | static int64_t get_clock(void) | |
774 | { | |
775 | #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) | |
776 | if (use_rt_clock) { | |
777 | struct timespec ts; | |
778 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
779 | return ts.tv_sec * 1000000000LL + ts.tv_nsec; | |
780 | } else | |
781 | #endif | |
782 | { | |
783 | /* XXX: using gettimeofday leads to problems if the date | |
784 | changes, so it should be avoided. */ | |
785 | struct timeval tv; | |
786 | gettimeofday(&tv, NULL); | |
787 | return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); | |
788 | } | |
789 | } | |
790 | #endif | |
791 | ||
792 | /* Return the virtual CPU time, based on the instruction counter. */ | |
793 | static int64_t cpu_get_icount(void) | |
794 | { | |
795 | int64_t icount; | |
796 | CPUState *env = cpu_single_env;; | |
797 | icount = qemu_icount; | |
798 | if (env) { | |
799 | if (!can_do_io(env)) | |
800 | fprintf(stderr, "Bad clock read\n"); | |
801 | icount -= (env->icount_decr.u16.low + env->icount_extra); | |
802 | } | |
803 | return qemu_icount_bias + (icount << icount_time_shift); | |
804 | } | |
805 | ||
806 | /***********************************************************/ | |
807 | /* guest cycle counter */ | |
808 | ||
809 | static int64_t cpu_ticks_prev; | |
810 | static int64_t cpu_ticks_offset; | |
811 | static int64_t cpu_clock_offset; | |
812 | static int cpu_ticks_enabled; | |
813 | ||
814 | /* return the host CPU cycle counter and handle stop/restart */ | |
815 | int64_t cpu_get_ticks(void) | |
816 | { | |
817 | if (use_icount) { | |
818 | return cpu_get_icount(); | |
819 | } | |
820 | if (!cpu_ticks_enabled) { | |
821 | return cpu_ticks_offset; | |
822 | } else { | |
823 | int64_t ticks; | |
824 | ticks = cpu_get_real_ticks(); | |
825 | if (cpu_ticks_prev > ticks) { | |
826 | /* Note: non increasing ticks may happen if the host uses | |
827 | software suspend */ | |
828 | cpu_ticks_offset += cpu_ticks_prev - ticks; | |
829 | } | |
830 | cpu_ticks_prev = ticks; | |
831 | return ticks + cpu_ticks_offset; | |
832 | } | |
833 | } | |
834 | ||
835 | /* return the host CPU monotonic timer and handle stop/restart */ | |
836 | static int64_t cpu_get_clock(void) | |
837 | { | |
838 | int64_t ti; | |
839 | if (!cpu_ticks_enabled) { | |
840 | return cpu_clock_offset; | |
841 | } else { | |
842 | ti = get_clock(); | |
843 | return ti + cpu_clock_offset; | |
844 | } | |
845 | } | |
846 | ||
847 | /* enable cpu_get_ticks() */ | |
848 | void cpu_enable_ticks(void) | |
849 | { | |
850 | if (!cpu_ticks_enabled) { | |
851 | cpu_ticks_offset -= cpu_get_real_ticks(); | |
852 | cpu_clock_offset -= get_clock(); | |
853 | cpu_ticks_enabled = 1; | |
854 | } | |
855 | } | |
856 | ||
857 | /* disable cpu_get_ticks() : the clock is stopped. You must not call | |
858 | cpu_get_ticks() after that. */ | |
859 | void cpu_disable_ticks(void) | |
860 | { | |
861 | if (cpu_ticks_enabled) { | |
862 | cpu_ticks_offset = cpu_get_ticks(); | |
863 | cpu_clock_offset = cpu_get_clock(); | |
864 | cpu_ticks_enabled = 0; | |
865 | } | |
866 | } | |
867 | ||
868 | /***********************************************************/ | |
869 | /* timers */ | |
870 | ||
871 | #define QEMU_TIMER_REALTIME 0 | |
872 | #define QEMU_TIMER_VIRTUAL 1 | |
873 | ||
874 | struct QEMUClock { | |
875 | int type; | |
876 | /* XXX: add frequency */ | |
877 | }; | |
878 | ||
879 | struct QEMUTimer { | |
880 | QEMUClock *clock; | |
881 | int64_t expire_time; | |
882 | QEMUTimerCB *cb; | |
883 | void *opaque; | |
884 | struct QEMUTimer *next; | |
885 | }; | |
886 | ||
887 | struct qemu_alarm_timer { | |
888 | char const *name; | |
889 | unsigned int flags; | |
890 | ||
891 | int (*start)(struct qemu_alarm_timer *t); | |
892 | void (*stop)(struct qemu_alarm_timer *t); | |
893 | void (*rearm)(struct qemu_alarm_timer *t); | |
894 | void *priv; | |
895 | }; | |
896 | ||
897 | #define ALARM_FLAG_DYNTICKS 0x1 | |
898 | #define ALARM_FLAG_EXPIRED 0x2 | |
899 | ||
900 | static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) | |
901 | { | |
902 | return t->flags & ALARM_FLAG_DYNTICKS; | |
903 | } | |
904 | ||
905 | static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) | |
906 | { | |
907 | if (!alarm_has_dynticks(t)) | |
908 | return; | |
909 | ||
910 | t->rearm(t); | |
911 | } | |
912 | ||
913 | /* TODO: MIN_TIMER_REARM_US should be optimized */ | |
914 | #define MIN_TIMER_REARM_US 250 | |
915 | ||
916 | static struct qemu_alarm_timer *alarm_timer; | |
917 | #ifndef _WIN32 | |
918 | static int alarm_timer_rfd, alarm_timer_wfd; | |
919 | #endif | |
920 | ||
921 | #ifdef _WIN32 | |
922 | ||
923 | struct qemu_alarm_win32 { | |
924 | MMRESULT timerId; | |
925 | HANDLE host_alarm; | |
926 | unsigned int period; | |
927 | } alarm_win32_data = {0, NULL, -1}; | |
928 | ||
929 | static int win32_start_timer(struct qemu_alarm_timer *t); | |
930 | static void win32_stop_timer(struct qemu_alarm_timer *t); | |
931 | static void win32_rearm_timer(struct qemu_alarm_timer *t); | |
932 | ||
933 | #else | |
934 | ||
935 | static int unix_start_timer(struct qemu_alarm_timer *t); | |
936 | static void unix_stop_timer(struct qemu_alarm_timer *t); | |
937 | ||
938 | #ifdef __linux__ | |
939 | ||
940 | static int dynticks_start_timer(struct qemu_alarm_timer *t); | |
941 | static void dynticks_stop_timer(struct qemu_alarm_timer *t); | |
942 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t); | |
943 | ||
944 | static int hpet_start_timer(struct qemu_alarm_timer *t); | |
945 | static void hpet_stop_timer(struct qemu_alarm_timer *t); | |
946 | ||
947 | static int rtc_start_timer(struct qemu_alarm_timer *t); | |
948 | static void rtc_stop_timer(struct qemu_alarm_timer *t); | |
949 | ||
950 | #endif /* __linux__ */ | |
951 | ||
952 | #endif /* _WIN32 */ | |
953 | ||
954 | /* Correlation between real and virtual time is always going to be | |
955 | fairly approximate, so ignore small variation. | |
956 | When the guest is idle real and virtual time will be aligned in | |
957 | the IO wait loop. */ | |
958 | #define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) | |
959 | ||
960 | static void icount_adjust(void) | |
961 | { | |
962 | int64_t cur_time; | |
963 | int64_t cur_icount; | |
964 | int64_t delta; | |
965 | static int64_t last_delta; | |
966 | /* If the VM is not running, then do nothing. */ | |
967 | if (!vm_running) | |
968 | return; | |
969 | ||
970 | cur_time = cpu_get_clock(); | |
971 | cur_icount = qemu_get_clock(vm_clock); | |
972 | delta = cur_icount - cur_time; | |
973 | /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ | |
974 | if (delta > 0 | |
975 | && last_delta + ICOUNT_WOBBLE < delta * 2 | |
976 | && icount_time_shift > 0) { | |
977 | /* The guest is getting too far ahead. Slow time down. */ | |
978 | icount_time_shift--; | |
979 | } | |
980 | if (delta < 0 | |
981 | && last_delta - ICOUNT_WOBBLE > delta * 2 | |
982 | && icount_time_shift < MAX_ICOUNT_SHIFT) { | |
983 | /* The guest is getting too far behind. Speed time up. */ | |
984 | icount_time_shift++; | |
985 | } | |
986 | last_delta = delta; | |
987 | qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); | |
988 | } | |
989 | ||
990 | static void icount_adjust_rt(void * opaque) | |
991 | { | |
992 | qemu_mod_timer(icount_rt_timer, | |
993 | qemu_get_clock(rt_clock) + 1000); | |
994 | icount_adjust(); | |
995 | } | |
996 | ||
997 | static void icount_adjust_vm(void * opaque) | |
998 | { | |
999 | qemu_mod_timer(icount_vm_timer, | |
1000 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
1001 | icount_adjust(); | |
1002 | } | |
1003 | ||
1004 | static void init_icount_adjust(void) | |
1005 | { | |
1006 | /* Have both realtime and virtual time triggers for speed adjustment. | |
1007 | The realtime trigger catches emulated time passing too slowly, | |
1008 | the virtual time trigger catches emulated time passing too fast. | |
1009 | Realtime triggers occur even when idle, so use them less frequently | |
1010 | than VM triggers. */ | |
1011 | icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); | |
1012 | qemu_mod_timer(icount_rt_timer, | |
1013 | qemu_get_clock(rt_clock) + 1000); | |
1014 | icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); | |
1015 | qemu_mod_timer(icount_vm_timer, | |
1016 | qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); | |
1017 | } | |
1018 | ||
1019 | static struct qemu_alarm_timer alarm_timers[] = { | |
1020 | #ifndef _WIN32 | |
1021 | #ifdef __linux__ | |
1022 | {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, | |
1023 | dynticks_stop_timer, dynticks_rearm_timer, NULL}, | |
1024 | /* HPET - if available - is preferred */ | |
1025 | {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, | |
1026 | /* ...otherwise try RTC */ | |
1027 | {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, | |
1028 | #endif | |
1029 | {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, | |
1030 | #else | |
1031 | {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, | |
1032 | win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, | |
1033 | {"win32", 0, win32_start_timer, | |
1034 | win32_stop_timer, NULL, &alarm_win32_data}, | |
1035 | #endif | |
1036 | {NULL, } | |
1037 | }; | |
1038 | ||
1039 | static void show_available_alarms(void) | |
1040 | { | |
1041 | int i; | |
1042 | ||
1043 | printf("Available alarm timers, in order of precedence:\n"); | |
1044 | for (i = 0; alarm_timers[i].name; i++) | |
1045 | printf("%s\n", alarm_timers[i].name); | |
1046 | } | |
1047 | ||
1048 | static void configure_alarms(char const *opt) | |
1049 | { | |
1050 | int i; | |
1051 | int cur = 0; | |
1052 | int count = ARRAY_SIZE(alarm_timers) - 1; | |
1053 | char *arg; | |
1054 | char *name; | |
1055 | struct qemu_alarm_timer tmp; | |
1056 | ||
1057 | if (!strcmp(opt, "?")) { | |
1058 | show_available_alarms(); | |
1059 | exit(0); | |
1060 | } | |
1061 | ||
1062 | arg = strdup(opt); | |
1063 | ||
1064 | /* Reorder the array */ | |
1065 | name = strtok(arg, ","); | |
1066 | while (name) { | |
1067 | for (i = 0; i < count && alarm_timers[i].name; i++) { | |
1068 | if (!strcmp(alarm_timers[i].name, name)) | |
1069 | break; | |
1070 | } | |
1071 | ||
1072 | if (i == count) { | |
1073 | fprintf(stderr, "Unknown clock %s\n", name); | |
1074 | goto next; | |
1075 | } | |
1076 | ||
1077 | if (i < cur) | |
1078 | /* Ignore */ | |
1079 | goto next; | |
1080 | ||
1081 | /* Swap */ | |
1082 | tmp = alarm_timers[i]; | |
1083 | alarm_timers[i] = alarm_timers[cur]; | |
1084 | alarm_timers[cur] = tmp; | |
1085 | ||
1086 | cur++; | |
1087 | next: | |
1088 | name = strtok(NULL, ","); | |
1089 | } | |
1090 | ||
1091 | free(arg); | |
1092 | ||
1093 | if (cur) { | |
1094 | /* Disable remaining timers */ | |
1095 | for (i = cur; i < count; i++) | |
1096 | alarm_timers[i].name = NULL; | |
1097 | } else { | |
1098 | show_available_alarms(); | |
1099 | exit(1); | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | QEMUClock *rt_clock; | |
1104 | QEMUClock *vm_clock; | |
1105 | ||
1106 | static QEMUTimer *active_timers[2]; | |
1107 | ||
1108 | static QEMUClock *qemu_new_clock(int type) | |
1109 | { | |
1110 | QEMUClock *clock; | |
1111 | clock = qemu_mallocz(sizeof(QEMUClock)); | |
1112 | if (!clock) | |
1113 | return NULL; | |
1114 | clock->type = type; | |
1115 | return clock; | |
1116 | } | |
1117 | ||
1118 | QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) | |
1119 | { | |
1120 | QEMUTimer *ts; | |
1121 | ||
1122 | ts = qemu_mallocz(sizeof(QEMUTimer)); | |
1123 | ts->clock = clock; | |
1124 | ts->cb = cb; | |
1125 | ts->opaque = opaque; | |
1126 | return ts; | |
1127 | } | |
1128 | ||
1129 | void qemu_free_timer(QEMUTimer *ts) | |
1130 | { | |
1131 | qemu_free(ts); | |
1132 | } | |
1133 | ||
1134 | /* stop a timer, but do not dealloc it */ | |
1135 | void qemu_del_timer(QEMUTimer *ts) | |
1136 | { | |
1137 | QEMUTimer **pt, *t; | |
1138 | ||
1139 | /* NOTE: this code must be signal safe because | |
1140 | qemu_timer_expired() can be called from a signal. */ | |
1141 | pt = &active_timers[ts->clock->type]; | |
1142 | for(;;) { | |
1143 | t = *pt; | |
1144 | if (!t) | |
1145 | break; | |
1146 | if (t == ts) { | |
1147 | *pt = t->next; | |
1148 | break; | |
1149 | } | |
1150 | pt = &t->next; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | /* modify the current timer so that it will be fired when current_time | |
1155 | >= expire_time. The corresponding callback will be called. */ | |
1156 | void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) | |
1157 | { | |
1158 | QEMUTimer **pt, *t; | |
1159 | ||
1160 | qemu_del_timer(ts); | |
1161 | ||
1162 | /* add the timer in the sorted list */ | |
1163 | /* NOTE: this code must be signal safe because | |
1164 | qemu_timer_expired() can be called from a signal. */ | |
1165 | pt = &active_timers[ts->clock->type]; | |
1166 | for(;;) { | |
1167 | t = *pt; | |
1168 | if (!t) | |
1169 | break; | |
1170 | if (t->expire_time > expire_time) | |
1171 | break; | |
1172 | pt = &t->next; | |
1173 | } | |
1174 | ts->expire_time = expire_time; | |
1175 | ts->next = *pt; | |
1176 | *pt = ts; | |
1177 | ||
1178 | /* Rearm if necessary */ | |
1179 | if (pt == &active_timers[ts->clock->type]) { | |
1180 | if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { | |
1181 | qemu_rearm_alarm_timer(alarm_timer); | |
1182 | } | |
1183 | /* Interrupt execution to force deadline recalculation. */ | |
1184 | if (use_icount && cpu_single_env) { | |
1185 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
1186 | } | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | int qemu_timer_pending(QEMUTimer *ts) | |
1191 | { | |
1192 | QEMUTimer *t; | |
1193 | for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { | |
1194 | if (t == ts) | |
1195 | return 1; | |
1196 | } | |
1197 | return 0; | |
1198 | } | |
1199 | ||
1200 | static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) | |
1201 | { | |
1202 | if (!timer_head) | |
1203 | return 0; | |
1204 | return (timer_head->expire_time <= current_time); | |
1205 | } | |
1206 | ||
1207 | static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) | |
1208 | { | |
1209 | QEMUTimer *ts; | |
1210 | ||
1211 | for(;;) { | |
1212 | ts = *ptimer_head; | |
1213 | if (!ts || ts->expire_time > current_time) | |
1214 | break; | |
1215 | /* remove timer from the list before calling the callback */ | |
1216 | *ptimer_head = ts->next; | |
1217 | ts->next = NULL; | |
1218 | ||
1219 | /* run the callback (the timer list can be modified) */ | |
1220 | ts->cb(ts->opaque); | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | int64_t qemu_get_clock(QEMUClock *clock) | |
1225 | { | |
1226 | switch(clock->type) { | |
1227 | case QEMU_TIMER_REALTIME: | |
1228 | return get_clock() / 1000000; | |
1229 | default: | |
1230 | case QEMU_TIMER_VIRTUAL: | |
1231 | if (use_icount) { | |
1232 | return cpu_get_icount(); | |
1233 | } else { | |
1234 | return cpu_get_clock(); | |
1235 | } | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | static void init_timers(void) | |
1240 | { | |
1241 | init_get_clock(); | |
1242 | ticks_per_sec = QEMU_TIMER_BASE; | |
1243 | rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); | |
1244 | vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); | |
1245 | } | |
1246 | ||
1247 | /* save a timer */ | |
1248 | void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) | |
1249 | { | |
1250 | uint64_t expire_time; | |
1251 | ||
1252 | if (qemu_timer_pending(ts)) { | |
1253 | expire_time = ts->expire_time; | |
1254 | } else { | |
1255 | expire_time = -1; | |
1256 | } | |
1257 | qemu_put_be64(f, expire_time); | |
1258 | } | |
1259 | ||
1260 | void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) | |
1261 | { | |
1262 | uint64_t expire_time; | |
1263 | ||
1264 | expire_time = qemu_get_be64(f); | |
1265 | if (expire_time != -1) { | |
1266 | qemu_mod_timer(ts, expire_time); | |
1267 | } else { | |
1268 | qemu_del_timer(ts); | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | static void timer_save(QEMUFile *f, void *opaque) | |
1273 | { | |
1274 | if (cpu_ticks_enabled) { | |
1275 | hw_error("cannot save state if virtual timers are running"); | |
1276 | } | |
1277 | qemu_put_be64(f, cpu_ticks_offset); | |
1278 | qemu_put_be64(f, ticks_per_sec); | |
1279 | qemu_put_be64(f, cpu_clock_offset); | |
1280 | } | |
1281 | ||
1282 | static int timer_load(QEMUFile *f, void *opaque, int version_id) | |
1283 | { | |
1284 | if (version_id != 1 && version_id != 2) | |
1285 | return -EINVAL; | |
1286 | if (cpu_ticks_enabled) { | |
1287 | return -EINVAL; | |
1288 | } | |
1289 | cpu_ticks_offset=qemu_get_be64(f); | |
1290 | ticks_per_sec=qemu_get_be64(f); | |
1291 | if (version_id == 2) { | |
1292 | cpu_clock_offset=qemu_get_be64(f); | |
1293 | } | |
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | #ifdef _WIN32 | |
1298 | void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, | |
1299 | DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) | |
1300 | #else | |
1301 | static void host_alarm_handler(int host_signum) | |
1302 | #endif | |
1303 | { | |
1304 | #if 0 | |
1305 | #define DISP_FREQ 1000 | |
1306 | { | |
1307 | static int64_t delta_min = INT64_MAX; | |
1308 | static int64_t delta_max, delta_cum, last_clock, delta, ti; | |
1309 | static int count; | |
1310 | ti = qemu_get_clock(vm_clock); | |
1311 | if (last_clock != 0) { | |
1312 | delta = ti - last_clock; | |
1313 | if (delta < delta_min) | |
1314 | delta_min = delta; | |
1315 | if (delta > delta_max) | |
1316 | delta_max = delta; | |
1317 | delta_cum += delta; | |
1318 | if (++count == DISP_FREQ) { | |
1319 | printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", | |
1320 | muldiv64(delta_min, 1000000, ticks_per_sec), | |
1321 | muldiv64(delta_max, 1000000, ticks_per_sec), | |
1322 | muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), | |
1323 | (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); | |
1324 | count = 0; | |
1325 | delta_min = INT64_MAX; | |
1326 | delta_max = 0; | |
1327 | delta_cum = 0; | |
1328 | } | |
1329 | } | |
1330 | last_clock = ti; | |
1331 | } | |
1332 | #endif | |
1333 | if (alarm_has_dynticks(alarm_timer) || | |
1334 | (!use_icount && | |
1335 | qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], | |
1336 | qemu_get_clock(vm_clock))) || | |
1337 | qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], | |
1338 | qemu_get_clock(rt_clock))) { | |
1339 | CPUState *env = next_cpu; | |
1340 | ||
1341 | #ifdef _WIN32 | |
1342 | struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; | |
1343 | SetEvent(data->host_alarm); | |
1344 | #else | |
1345 | static const char byte = 0; | |
1346 | write(alarm_timer_wfd, &byte, sizeof(byte)); | |
1347 | #endif | |
1348 | alarm_timer->flags |= ALARM_FLAG_EXPIRED; | |
1349 | ||
1350 | if (env) { | |
1351 | /* stop the currently executing cpu because a timer occured */ | |
1352 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
1353 | #ifdef USE_KQEMU | |
1354 | if (env->kqemu_enabled) { | |
1355 | kqemu_cpu_interrupt(env); | |
1356 | } | |
1357 | #endif | |
1358 | } | |
1359 | event_pending = 1; | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | static int64_t qemu_next_deadline(void) | |
1364 | { | |
1365 | int64_t delta; | |
1366 | ||
1367 | if (active_timers[QEMU_TIMER_VIRTUAL]) { | |
1368 | delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - | |
1369 | qemu_get_clock(vm_clock); | |
1370 | } else { | |
1371 | /* To avoid problems with overflow limit this to 2^32. */ | |
1372 | delta = INT32_MAX; | |
1373 | } | |
1374 | ||
1375 | if (delta < 0) | |
1376 | delta = 0; | |
1377 | ||
1378 | return delta; | |
1379 | } | |
1380 | ||
1381 | #if defined(__linux__) || defined(_WIN32) | |
1382 | static uint64_t qemu_next_deadline_dyntick(void) | |
1383 | { | |
1384 | int64_t delta; | |
1385 | int64_t rtdelta; | |
1386 | ||
1387 | if (use_icount) | |
1388 | delta = INT32_MAX; | |
1389 | else | |
1390 | delta = (qemu_next_deadline() + 999) / 1000; | |
1391 | ||
1392 | if (active_timers[QEMU_TIMER_REALTIME]) { | |
1393 | rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - | |
1394 | qemu_get_clock(rt_clock))*1000; | |
1395 | if (rtdelta < delta) | |
1396 | delta = rtdelta; | |
1397 | } | |
1398 | ||
1399 | if (delta < MIN_TIMER_REARM_US) | |
1400 | delta = MIN_TIMER_REARM_US; | |
1401 | ||
1402 | return delta; | |
1403 | } | |
1404 | #endif | |
1405 | ||
1406 | #ifndef _WIN32 | |
1407 | ||
1408 | /* Sets a specific flag */ | |
1409 | static int fcntl_setfl(int fd, int flag) | |
1410 | { | |
1411 | int flags; | |
1412 | ||
1413 | flags = fcntl(fd, F_GETFL); | |
1414 | if (flags == -1) | |
1415 | return -errno; | |
1416 | ||
1417 | if (fcntl(fd, F_SETFL, flags | flag) == -1) | |
1418 | return -errno; | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | #if defined(__linux__) | |
1424 | ||
1425 | #define RTC_FREQ 1024 | |
1426 | ||
1427 | static void enable_sigio_timer(int fd) | |
1428 | { | |
1429 | struct sigaction act; | |
1430 | ||
1431 | /* timer signal */ | |
1432 | sigfillset(&act.sa_mask); | |
1433 | act.sa_flags = 0; | |
1434 | act.sa_handler = host_alarm_handler; | |
1435 | ||
1436 | sigaction(SIGIO, &act, NULL); | |
1437 | fcntl_setfl(fd, O_ASYNC); | |
1438 | fcntl(fd, F_SETOWN, getpid()); | |
1439 | } | |
1440 | ||
1441 | static int hpet_start_timer(struct qemu_alarm_timer *t) | |
1442 | { | |
1443 | struct hpet_info info; | |
1444 | int r, fd; | |
1445 | ||
1446 | fd = open("/dev/hpet", O_RDONLY); | |
1447 | if (fd < 0) | |
1448 | return -1; | |
1449 | ||
1450 | /* Set frequency */ | |
1451 | r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); | |
1452 | if (r < 0) { | |
1453 | fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" | |
1454 | "error, but for better emulation accuracy type:\n" | |
1455 | "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); | |
1456 | goto fail; | |
1457 | } | |
1458 | ||
1459 | /* Check capabilities */ | |
1460 | r = ioctl(fd, HPET_INFO, &info); | |
1461 | if (r < 0) | |
1462 | goto fail; | |
1463 | ||
1464 | /* Enable periodic mode */ | |
1465 | r = ioctl(fd, HPET_EPI, 0); | |
1466 | if (info.hi_flags && (r < 0)) | |
1467 | goto fail; | |
1468 | ||
1469 | /* Enable interrupt */ | |
1470 | r = ioctl(fd, HPET_IE_ON, 0); | |
1471 | if (r < 0) | |
1472 | goto fail; | |
1473 | ||
1474 | enable_sigio_timer(fd); | |
1475 | t->priv = (void *)(long)fd; | |
1476 | ||
1477 | return 0; | |
1478 | fail: | |
1479 | close(fd); | |
1480 | return -1; | |
1481 | } | |
1482 | ||
1483 | static void hpet_stop_timer(struct qemu_alarm_timer *t) | |
1484 | { | |
1485 | int fd = (long)t->priv; | |
1486 | ||
1487 | close(fd); | |
1488 | } | |
1489 | ||
1490 | static int rtc_start_timer(struct qemu_alarm_timer *t) | |
1491 | { | |
1492 | int rtc_fd; | |
1493 | unsigned long current_rtc_freq = 0; | |
1494 | ||
1495 | TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); | |
1496 | if (rtc_fd < 0) | |
1497 | return -1; | |
1498 | ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); | |
1499 | if (current_rtc_freq != RTC_FREQ && | |
1500 | ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { | |
1501 | fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" | |
1502 | "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" | |
1503 | "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); | |
1504 | goto fail; | |
1505 | } | |
1506 | if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { | |
1507 | fail: | |
1508 | close(rtc_fd); | |
1509 | return -1; | |
1510 | } | |
1511 | ||
1512 | enable_sigio_timer(rtc_fd); | |
1513 | ||
1514 | t->priv = (void *)(long)rtc_fd; | |
1515 | ||
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | static void rtc_stop_timer(struct qemu_alarm_timer *t) | |
1520 | { | |
1521 | int rtc_fd = (long)t->priv; | |
1522 | ||
1523 | close(rtc_fd); | |
1524 | } | |
1525 | ||
1526 | static int dynticks_start_timer(struct qemu_alarm_timer *t) | |
1527 | { | |
1528 | struct sigevent ev; | |
1529 | timer_t host_timer; | |
1530 | struct sigaction act; | |
1531 | ||
1532 | sigfillset(&act.sa_mask); | |
1533 | act.sa_flags = 0; | |
1534 | act.sa_handler = host_alarm_handler; | |
1535 | ||
1536 | sigaction(SIGALRM, &act, NULL); | |
1537 | ||
1538 | ev.sigev_value.sival_int = 0; | |
1539 | ev.sigev_notify = SIGEV_SIGNAL; | |
1540 | ev.sigev_signo = SIGALRM; | |
1541 | ||
1542 | if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { | |
1543 | perror("timer_create"); | |
1544 | ||
1545 | /* disable dynticks */ | |
1546 | fprintf(stderr, "Dynamic Ticks disabled\n"); | |
1547 | ||
1548 | return -1; | |
1549 | } | |
1550 | ||
1551 | t->priv = (void *)(long)host_timer; | |
1552 | ||
1553 | return 0; | |
1554 | } | |
1555 | ||
1556 | static void dynticks_stop_timer(struct qemu_alarm_timer *t) | |
1557 | { | |
1558 | timer_t host_timer = (timer_t)(long)t->priv; | |
1559 | ||
1560 | timer_delete(host_timer); | |
1561 | } | |
1562 | ||
1563 | static void dynticks_rearm_timer(struct qemu_alarm_timer *t) | |
1564 | { | |
1565 | timer_t host_timer = (timer_t)(long)t->priv; | |
1566 | struct itimerspec timeout; | |
1567 | int64_t nearest_delta_us = INT64_MAX; | |
1568 | int64_t current_us; | |
1569 | ||
1570 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1571 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1572 | return; | |
1573 | ||
1574 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1575 | ||
1576 | /* check whether a timer is already running */ | |
1577 | if (timer_gettime(host_timer, &timeout)) { | |
1578 | perror("gettime"); | |
1579 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1580 | exit(1); | |
1581 | } | |
1582 | current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; | |
1583 | if (current_us && current_us <= nearest_delta_us) | |
1584 | return; | |
1585 | ||
1586 | timeout.it_interval.tv_sec = 0; | |
1587 | timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ | |
1588 | timeout.it_value.tv_sec = nearest_delta_us / 1000000; | |
1589 | timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; | |
1590 | if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { | |
1591 | perror("settime"); | |
1592 | fprintf(stderr, "Internal timer error: aborting\n"); | |
1593 | exit(1); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | #endif /* defined(__linux__) */ | |
1598 | ||
1599 | static int unix_start_timer(struct qemu_alarm_timer *t) | |
1600 | { | |
1601 | struct sigaction act; | |
1602 | struct itimerval itv; | |
1603 | int err; | |
1604 | ||
1605 | /* timer signal */ | |
1606 | sigfillset(&act.sa_mask); | |
1607 | act.sa_flags = 0; | |
1608 | act.sa_handler = host_alarm_handler; | |
1609 | ||
1610 | sigaction(SIGALRM, &act, NULL); | |
1611 | ||
1612 | itv.it_interval.tv_sec = 0; | |
1613 | /* for i386 kernel 2.6 to get 1 ms */ | |
1614 | itv.it_interval.tv_usec = 999; | |
1615 | itv.it_value.tv_sec = 0; | |
1616 | itv.it_value.tv_usec = 10 * 1000; | |
1617 | ||
1618 | err = setitimer(ITIMER_REAL, &itv, NULL); | |
1619 | if (err) | |
1620 | return -1; | |
1621 | ||
1622 | return 0; | |
1623 | } | |
1624 | ||
1625 | static void unix_stop_timer(struct qemu_alarm_timer *t) | |
1626 | { | |
1627 | struct itimerval itv; | |
1628 | ||
1629 | memset(&itv, 0, sizeof(itv)); | |
1630 | setitimer(ITIMER_REAL, &itv, NULL); | |
1631 | } | |
1632 | ||
1633 | #endif /* !defined(_WIN32) */ | |
1634 | ||
1635 | static void try_to_rearm_timer(void *opaque) | |
1636 | { | |
1637 | struct qemu_alarm_timer *t = opaque; | |
1638 | #ifndef _WIN32 | |
1639 | ssize_t len; | |
1640 | ||
1641 | /* Drain the notify pipe */ | |
1642 | do { | |
1643 | char buffer[512]; | |
1644 | len = read(alarm_timer_rfd, buffer, sizeof(buffer)); | |
1645 | } while ((len == -1 && errno == EINTR) || len > 0); | |
1646 | #endif | |
1647 | ||
1648 | if (t->flags & ALARM_FLAG_EXPIRED) { | |
1649 | alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; | |
1650 | qemu_rearm_alarm_timer(alarm_timer); | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | #ifdef _WIN32 | |
1655 | ||
1656 | static int win32_start_timer(struct qemu_alarm_timer *t) | |
1657 | { | |
1658 | TIMECAPS tc; | |
1659 | struct qemu_alarm_win32 *data = t->priv; | |
1660 | UINT flags; | |
1661 | ||
1662 | data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1663 | if (!data->host_alarm) { | |
1664 | perror("Failed CreateEvent"); | |
1665 | return -1; | |
1666 | } | |
1667 | ||
1668 | memset(&tc, 0, sizeof(tc)); | |
1669 | timeGetDevCaps(&tc, sizeof(tc)); | |
1670 | ||
1671 | if (data->period < tc.wPeriodMin) | |
1672 | data->period = tc.wPeriodMin; | |
1673 | ||
1674 | timeBeginPeriod(data->period); | |
1675 | ||
1676 | flags = TIME_CALLBACK_FUNCTION; | |
1677 | if (alarm_has_dynticks(t)) | |
1678 | flags |= TIME_ONESHOT; | |
1679 | else | |
1680 | flags |= TIME_PERIODIC; | |
1681 | ||
1682 | data->timerId = timeSetEvent(1, // interval (ms) | |
1683 | data->period, // resolution | |
1684 | host_alarm_handler, // function | |
1685 | (DWORD)t, // parameter | |
1686 | flags); | |
1687 | ||
1688 | if (!data->timerId) { | |
1689 | perror("Failed to initialize win32 alarm timer"); | |
1690 | ||
1691 | timeEndPeriod(data->period); | |
1692 | CloseHandle(data->host_alarm); | |
1693 | return -1; | |
1694 | } | |
1695 | ||
1696 | qemu_add_wait_object(data->host_alarm, try_to_rearm_timer, t); | |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
1701 | static void win32_stop_timer(struct qemu_alarm_timer *t) | |
1702 | { | |
1703 | struct qemu_alarm_win32 *data = t->priv; | |
1704 | ||
1705 | timeKillEvent(data->timerId); | |
1706 | timeEndPeriod(data->period); | |
1707 | ||
1708 | CloseHandle(data->host_alarm); | |
1709 | } | |
1710 | ||
1711 | static void win32_rearm_timer(struct qemu_alarm_timer *t) | |
1712 | { | |
1713 | struct qemu_alarm_win32 *data = t->priv; | |
1714 | uint64_t nearest_delta_us; | |
1715 | ||
1716 | if (!active_timers[QEMU_TIMER_REALTIME] && | |
1717 | !active_timers[QEMU_TIMER_VIRTUAL]) | |
1718 | return; | |
1719 | ||
1720 | nearest_delta_us = qemu_next_deadline_dyntick(); | |
1721 | nearest_delta_us /= 1000; | |
1722 | ||
1723 | timeKillEvent(data->timerId); | |
1724 | ||
1725 | data->timerId = timeSetEvent(1, | |
1726 | data->period, | |
1727 | host_alarm_handler, | |
1728 | (DWORD)t, | |
1729 | TIME_ONESHOT | TIME_PERIODIC); | |
1730 | ||
1731 | if (!data->timerId) { | |
1732 | perror("Failed to re-arm win32 alarm timer"); | |
1733 | ||
1734 | timeEndPeriod(data->period); | |
1735 | CloseHandle(data->host_alarm); | |
1736 | exit(1); | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | #endif /* _WIN32 */ | |
1741 | ||
1742 | static int init_timer_alarm(void) | |
1743 | { | |
1744 | struct qemu_alarm_timer *t = NULL; | |
1745 | int i, err = -1; | |
1746 | ||
1747 | #ifndef _WIN32 | |
1748 | int fds[2]; | |
1749 | ||
1750 | err = pipe(fds); | |
1751 | if (err == -1) | |
1752 | return -errno; | |
1753 | ||
1754 | err = fcntl_setfl(fds[0], O_NONBLOCK); | |
1755 | if (err < 0) | |
1756 | goto fail; | |
1757 | ||
1758 | err = fcntl_setfl(fds[1], O_NONBLOCK); | |
1759 | if (err < 0) | |
1760 | goto fail; | |
1761 | ||
1762 | alarm_timer_rfd = fds[0]; | |
1763 | alarm_timer_wfd = fds[1]; | |
1764 | #endif | |
1765 | ||
1766 | for (i = 0; alarm_timers[i].name; i++) { | |
1767 | t = &alarm_timers[i]; | |
1768 | ||
1769 | err = t->start(t); | |
1770 | if (!err) | |
1771 | break; | |
1772 | } | |
1773 | ||
1774 | if (err) { | |
1775 | err = -ENOENT; | |
1776 | goto fail; | |
1777 | } | |
1778 | ||
1779 | #ifndef _WIN32 | |
1780 | qemu_set_fd_handler2(alarm_timer_rfd, NULL, | |
1781 | try_to_rearm_timer, NULL, t); | |
1782 | #endif | |
1783 | ||
1784 | alarm_timer = t; | |
1785 | ||
1786 | return 0; | |
1787 | ||
1788 | fail: | |
1789 | #ifndef _WIN32 | |
1790 | close(fds[0]); | |
1791 | close(fds[1]); | |
1792 | #endif | |
1793 | return err; | |
1794 | } | |
1795 | ||
1796 | static void quit_timers(void) | |
1797 | { | |
1798 | alarm_timer->stop(alarm_timer); | |
1799 | alarm_timer = NULL; | |
1800 | } | |
1801 | ||
1802 | /***********************************************************/ | |
1803 | /* host time/date access */ | |
1804 | void qemu_get_timedate(struct tm *tm, int offset) | |
1805 | { | |
1806 | time_t ti; | |
1807 | struct tm *ret; | |
1808 | ||
1809 | time(&ti); | |
1810 | ti += offset; | |
1811 | if (rtc_date_offset == -1) { | |
1812 | if (rtc_utc) | |
1813 | ret = gmtime(&ti); | |
1814 | else | |
1815 | ret = localtime(&ti); | |
1816 | } else { | |
1817 | ti -= rtc_date_offset; | |
1818 | ret = gmtime(&ti); | |
1819 | } | |
1820 | ||
1821 | memcpy(tm, ret, sizeof(struct tm)); | |
1822 | } | |
1823 | ||
1824 | int qemu_timedate_diff(struct tm *tm) | |
1825 | { | |
1826 | time_t seconds; | |
1827 | ||
1828 | if (rtc_date_offset == -1) | |
1829 | if (rtc_utc) | |
1830 | seconds = mktimegm(tm); | |
1831 | else | |
1832 | seconds = mktime(tm); | |
1833 | else | |
1834 | seconds = mktimegm(tm) + rtc_date_offset; | |
1835 | ||
1836 | return seconds - time(NULL); | |
1837 | } | |
1838 | ||
1839 | #ifdef _WIN32 | |
1840 | static void socket_cleanup(void) | |
1841 | { | |
1842 | WSACleanup(); | |
1843 | } | |
1844 | ||
1845 | static int socket_init(void) | |
1846 | { | |
1847 | WSADATA Data; | |
1848 | int ret, err; | |
1849 | ||
1850 | ret = WSAStartup(MAKEWORD(2,2), &Data); | |
1851 | if (ret != 0) { | |
1852 | err = WSAGetLastError(); | |
1853 | fprintf(stderr, "WSAStartup: %d\n", err); | |
1854 | return -1; | |
1855 | } | |
1856 | atexit(socket_cleanup); | |
1857 | return 0; | |
1858 | } | |
1859 | #endif | |
1860 | ||
1861 | const char *get_opt_name(char *buf, int buf_size, const char *p) | |
1862 | { | |
1863 | char *q; | |
1864 | ||
1865 | q = buf; | |
1866 | while (*p != '\0' && *p != '=') { | |
1867 | if (q && (q - buf) < buf_size - 1) | |
1868 | *q++ = *p; | |
1869 | p++; | |
1870 | } | |
1871 | if (q) | |
1872 | *q = '\0'; | |
1873 | ||
1874 | return p; | |
1875 | } | |
1876 | ||
1877 | const char *get_opt_value(char *buf, int buf_size, const char *p) | |
1878 | { | |
1879 | char *q; | |
1880 | ||
1881 | q = buf; | |
1882 | while (*p != '\0') { | |
1883 | if (*p == ',') { | |
1884 | if (*(p + 1) != ',') | |
1885 | break; | |
1886 | p++; | |
1887 | } | |
1888 | if (q && (q - buf) < buf_size - 1) | |
1889 | *q++ = *p; | |
1890 | p++; | |
1891 | } | |
1892 | if (q) | |
1893 | *q = '\0'; | |
1894 | ||
1895 | return p; | |
1896 | } | |
1897 | ||
1898 | int get_param_value(char *buf, int buf_size, | |
1899 | const char *tag, const char *str) | |
1900 | { | |
1901 | const char *p; | |
1902 | char option[128]; | |
1903 | ||
1904 | p = str; | |
1905 | for(;;) { | |
1906 | p = get_opt_name(option, sizeof(option), p); | |
1907 | if (*p != '=') | |
1908 | break; | |
1909 | p++; | |
1910 | if (!strcmp(tag, option)) { | |
1911 | (void)get_opt_value(buf, buf_size, p); | |
1912 | return strlen(buf); | |
1913 | } else { | |
1914 | p = get_opt_value(NULL, 0, p); | |
1915 | } | |
1916 | if (*p != ',') | |
1917 | break; | |
1918 | p++; | |
1919 | } | |
1920 | return 0; | |
1921 | } | |
1922 | ||
1923 | int check_params(char *buf, int buf_size, | |
1924 | const char * const *params, const char *str) | |
1925 | { | |
1926 | const char *p; | |
1927 | int i; | |
1928 | ||
1929 | p = str; | |
1930 | for(;;) { | |
1931 | p = get_opt_name(buf, buf_size, p); | |
1932 | if (*p != '=') | |
1933 | return -1; | |
1934 | p++; | |
1935 | for(i = 0; params[i] != NULL; i++) | |
1936 | if (!strcmp(params[i], buf)) | |
1937 | break; | |
1938 | if (params[i] == NULL) | |
1939 | return -1; | |
1940 | p = get_opt_value(NULL, 0, p); | |
1941 | if (*p != ',') | |
1942 | break; | |
1943 | p++; | |
1944 | } | |
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | /***********************************************************/ | |
1949 | /* Bluetooth support */ | |
1950 | static int nb_hcis; | |
1951 | static int cur_hci; | |
1952 | static struct HCIInfo *hci_table[MAX_NICS]; | |
1953 | ||
1954 | static struct bt_vlan_s { | |
1955 | struct bt_scatternet_s net; | |
1956 | int id; | |
1957 | struct bt_vlan_s *next; | |
1958 | } *first_bt_vlan; | |
1959 | ||
1960 | /* find or alloc a new bluetooth "VLAN" */ | |
1961 | static struct bt_scatternet_s *qemu_find_bt_vlan(int id) | |
1962 | { | |
1963 | struct bt_vlan_s **pvlan, *vlan; | |
1964 | for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) { | |
1965 | if (vlan->id == id) | |
1966 | return &vlan->net; | |
1967 | } | |
1968 | vlan = qemu_mallocz(sizeof(struct bt_vlan_s)); | |
1969 | vlan->id = id; | |
1970 | pvlan = &first_bt_vlan; | |
1971 | while (*pvlan != NULL) | |
1972 | pvlan = &(*pvlan)->next; | |
1973 | *pvlan = vlan; | |
1974 | return &vlan->net; | |
1975 | } | |
1976 | ||
1977 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) | |
1978 | { | |
1979 | } | |
1980 | ||
1981 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) | |
1982 | { | |
1983 | return -ENOTSUP; | |
1984 | } | |
1985 | ||
1986 | static struct HCIInfo null_hci = { | |
1987 | .cmd_send = null_hci_send, | |
1988 | .sco_send = null_hci_send, | |
1989 | .acl_send = null_hci_send, | |
1990 | .bdaddr_set = null_hci_addr_set, | |
1991 | }; | |
1992 | ||
1993 | struct HCIInfo *qemu_next_hci(void) | |
1994 | { | |
1995 | if (cur_hci == nb_hcis) | |
1996 | return &null_hci; | |
1997 | ||
1998 | return hci_table[cur_hci++]; | |
1999 | } | |
2000 | ||
2001 | static struct HCIInfo *hci_init(const char *str) | |
2002 | { | |
2003 | char *endp; | |
2004 | struct bt_scatternet_s *vlan = 0; | |
2005 | ||
2006 | if (!strcmp(str, "null")) | |
2007 | /* null */ | |
2008 | return &null_hci; | |
2009 | else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) | |
2010 | /* host[:hciN] */ | |
2011 | return bt_host_hci(str[4] ? str + 5 : "hci0"); | |
2012 | else if (!strncmp(str, "hci", 3)) { | |
2013 | /* hci[,vlan=n] */ | |
2014 | if (str[3]) { | |
2015 | if (!strncmp(str + 3, ",vlan=", 6)) { | |
2016 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); | |
2017 | if (*endp) | |
2018 | vlan = 0; | |
2019 | } | |
2020 | } else | |
2021 | vlan = qemu_find_bt_vlan(0); | |
2022 | if (vlan) | |
2023 | return bt_new_hci(vlan); | |
2024 | } | |
2025 | ||
2026 | fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str); | |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static int bt_hci_parse(const char *str) | |
2032 | { | |
2033 | struct HCIInfo *hci; | |
2034 | bdaddr_t bdaddr; | |
2035 | ||
2036 | if (nb_hcis >= MAX_NICS) { | |
2037 | fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); | |
2038 | return -1; | |
2039 | } | |
2040 | ||
2041 | hci = hci_init(str); | |
2042 | if (!hci) | |
2043 | return -1; | |
2044 | ||
2045 | bdaddr.b[0] = 0x52; | |
2046 | bdaddr.b[1] = 0x54; | |
2047 | bdaddr.b[2] = 0x00; | |
2048 | bdaddr.b[3] = 0x12; | |
2049 | bdaddr.b[4] = 0x34; | |
2050 | bdaddr.b[5] = 0x56 + nb_hcis; | |
2051 | hci->bdaddr_set(hci, bdaddr.b); | |
2052 | ||
2053 | hci_table[nb_hcis++] = hci; | |
2054 | ||
2055 | return 0; | |
2056 | } | |
2057 | ||
2058 | static void bt_vhci_add(int vlan_id) | |
2059 | { | |
2060 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
2061 | ||
2062 | if (!vlan->slave) | |
2063 | fprintf(stderr, "qemu: warning: adding a VHCI to " | |
2064 | "an empty scatternet %i\n", vlan_id); | |
2065 | ||
2066 | bt_vhci_init(bt_new_hci(vlan)); | |
2067 | } | |
2068 | ||
2069 | static struct bt_device_s *bt_device_add(const char *opt) | |
2070 | { | |
2071 | struct bt_scatternet_s *vlan; | |
2072 | int vlan_id = 0; | |
2073 | char *endp = strstr(opt, ",vlan="); | |
2074 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
2075 | char devname[10]; | |
2076 | ||
2077 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
2078 | ||
2079 | if (endp) { | |
2080 | vlan_id = strtol(endp + 6, &endp, 0); | |
2081 | if (*endp) { | |
2082 | fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); | |
2083 | return 0; | |
2084 | } | |
2085 | } | |
2086 | ||
2087 | vlan = qemu_find_bt_vlan(vlan_id); | |
2088 | ||
2089 | if (!vlan->slave) | |
2090 | fprintf(stderr, "qemu: warning: adding a slave device to " | |
2091 | "an empty scatternet %i\n", vlan_id); | |
2092 | ||
2093 | if (!strcmp(devname, "keyboard")) | |
2094 | return bt_keyboard_init(vlan); | |
2095 | ||
2096 | fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); | |
2097 | return 0; | |
2098 | } | |
2099 | ||
2100 | static int bt_parse(const char *opt) | |
2101 | { | |
2102 | const char *endp, *p; | |
2103 | int vlan; | |
2104 | ||
2105 | if (strstart(opt, "hci", &endp)) { | |
2106 | if (!*endp || *endp == ',') { | |
2107 | if (*endp) | |
2108 | if (!strstart(endp, ",vlan=", 0)) | |
2109 | opt = endp + 1; | |
2110 | ||
2111 | return bt_hci_parse(opt); | |
2112 | } | |
2113 | } else if (strstart(opt, "vhci", &endp)) { | |
2114 | if (!*endp || *endp == ',') { | |
2115 | if (*endp) { | |
2116 | if (strstart(endp, ",vlan=", &p)) { | |
2117 | vlan = strtol(p, (char **) &endp, 0); | |
2118 | if (*endp) { | |
2119 | fprintf(stderr, "qemu: bad scatternet '%s'\n", p); | |
2120 | return 1; | |
2121 | } | |
2122 | } else { | |
2123 | fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); | |
2124 | return 1; | |
2125 | } | |
2126 | } else | |
2127 | vlan = 0; | |
2128 | ||
2129 | bt_vhci_add(vlan); | |
2130 | return 0; | |
2131 | } | |
2132 | } else if (strstart(opt, "device:", &endp)) | |
2133 | return !bt_device_add(endp); | |
2134 | ||
2135 | fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); | |
2136 | return 1; | |
2137 | } | |
2138 | ||
2139 | /***********************************************************/ | |
2140 | /* QEMU Block devices */ | |
2141 | ||
2142 | #define HD_ALIAS "index=%d,media=disk" | |
2143 | #ifdef TARGET_PPC | |
2144 | #define CDROM_ALIAS "index=1,media=cdrom" | |
2145 | #else | |
2146 | #define CDROM_ALIAS "index=2,media=cdrom" | |
2147 | #endif | |
2148 | #define FD_ALIAS "index=%d,if=floppy" | |
2149 | #define PFLASH_ALIAS "if=pflash" | |
2150 | #define MTD_ALIAS "if=mtd" | |
2151 | #define SD_ALIAS "index=0,if=sd" | |
2152 | ||
2153 | static int drive_add(const char *file, const char *fmt, ...) | |
2154 | { | |
2155 | va_list ap; | |
2156 | ||
2157 | if (nb_drives_opt >= MAX_DRIVES) { | |
2158 | fprintf(stderr, "qemu: too many drives\n"); | |
2159 | exit(1); | |
2160 | } | |
2161 | ||
2162 | drives_opt[nb_drives_opt].file = file; | |
2163 | va_start(ap, fmt); | |
2164 | vsnprintf(drives_opt[nb_drives_opt].opt, | |
2165 | sizeof(drives_opt[0].opt), fmt, ap); | |
2166 | va_end(ap); | |
2167 | ||
2168 | return nb_drives_opt++; | |
2169 | } | |
2170 | ||
2171 | int drive_get_index(BlockInterfaceType type, int bus, int unit) | |
2172 | { | |
2173 | int index; | |
2174 | ||
2175 | /* seek interface, bus and unit */ | |
2176 | ||
2177 | for (index = 0; index < nb_drives; index++) | |
2178 | if (drives_table[index].type == type && | |
2179 | drives_table[index].bus == bus && | |
2180 | drives_table[index].unit == unit) | |
2181 | return index; | |
2182 | ||
2183 | return -1; | |
2184 | } | |
2185 | ||
2186 | int drive_get_max_bus(BlockInterfaceType type) | |
2187 | { | |
2188 | int max_bus; | |
2189 | int index; | |
2190 | ||
2191 | max_bus = -1; | |
2192 | for (index = 0; index < nb_drives; index++) { | |
2193 | if(drives_table[index].type == type && | |
2194 | drives_table[index].bus > max_bus) | |
2195 | max_bus = drives_table[index].bus; | |
2196 | } | |
2197 | return max_bus; | |
2198 | } | |
2199 | ||
2200 | const char *drive_get_serial(BlockDriverState *bdrv) | |
2201 | { | |
2202 | int index; | |
2203 | ||
2204 | for (index = 0; index < nb_drives; index++) | |
2205 | if (drives_table[index].bdrv == bdrv) | |
2206 | return drives_table[index].serial; | |
2207 | ||
2208 | return "\0"; | |
2209 | } | |
2210 | ||
2211 | static void bdrv_format_print(void *opaque, const char *name) | |
2212 | { | |
2213 | fprintf(stderr, " %s", name); | |
2214 | } | |
2215 | ||
2216 | static int drive_init(struct drive_opt *arg, int snapshot, | |
2217 | QEMUMachine *machine) | |
2218 | { | |
2219 | char buf[128]; | |
2220 | char file[1024]; | |
2221 | char devname[128]; | |
2222 | char serial[21]; | |
2223 | const char *mediastr = ""; | |
2224 | BlockInterfaceType type; | |
2225 | enum { MEDIA_DISK, MEDIA_CDROM } media; | |
2226 | int bus_id, unit_id; | |
2227 | int cyls, heads, secs, translation; | |
2228 | BlockDriverState *bdrv; | |
2229 | BlockDriver *drv = NULL; | |
2230 | int max_devs; | |
2231 | int index; | |
2232 | int cache; | |
2233 | int bdrv_flags; | |
2234 | char *str = arg->opt; | |
2235 | static const char * const params[] = { "bus", "unit", "if", "index", | |
2236 | "cyls", "heads", "secs", "trans", | |
2237 | "media", "snapshot", "file", | |
2238 | "cache", "format", "serial", NULL }; | |
2239 | ||
2240 | if (check_params(buf, sizeof(buf), params, str) < 0) { | |
2241 | fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", | |
2242 | buf, str); | |
2243 | return -1; | |
2244 | } | |
2245 | ||
2246 | file[0] = 0; | |
2247 | cyls = heads = secs = 0; | |
2248 | bus_id = 0; | |
2249 | unit_id = -1; | |
2250 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2251 | index = -1; | |
2252 | cache = 3; | |
2253 | ||
2254 | if (machine->use_scsi) { | |
2255 | type = IF_SCSI; | |
2256 | max_devs = MAX_SCSI_DEVS; | |
2257 | pstrcpy(devname, sizeof(devname), "scsi"); | |
2258 | } else { | |
2259 | type = IF_IDE; | |
2260 | max_devs = MAX_IDE_DEVS; | |
2261 | pstrcpy(devname, sizeof(devname), "ide"); | |
2262 | } | |
2263 | media = MEDIA_DISK; | |
2264 | ||
2265 | /* extract parameters */ | |
2266 | ||
2267 | if (get_param_value(buf, sizeof(buf), "bus", str)) { | |
2268 | bus_id = strtol(buf, NULL, 0); | |
2269 | if (bus_id < 0) { | |
2270 | fprintf(stderr, "qemu: '%s' invalid bus id\n", str); | |
2271 | return -1; | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | if (get_param_value(buf, sizeof(buf), "unit", str)) { | |
2276 | unit_id = strtol(buf, NULL, 0); | |
2277 | if (unit_id < 0) { | |
2278 | fprintf(stderr, "qemu: '%s' invalid unit id\n", str); | |
2279 | return -1; | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | if (get_param_value(buf, sizeof(buf), "if", str)) { | |
2284 | pstrcpy(devname, sizeof(devname), buf); | |
2285 | if (!strcmp(buf, "ide")) { | |
2286 | type = IF_IDE; | |
2287 | max_devs = MAX_IDE_DEVS; | |
2288 | } else if (!strcmp(buf, "scsi")) { | |
2289 | type = IF_SCSI; | |
2290 | max_devs = MAX_SCSI_DEVS; | |
2291 | } else if (!strcmp(buf, "floppy")) { | |
2292 | type = IF_FLOPPY; | |
2293 | max_devs = 0; | |
2294 | } else if (!strcmp(buf, "pflash")) { | |
2295 | type = IF_PFLASH; | |
2296 | max_devs = 0; | |
2297 | } else if (!strcmp(buf, "mtd")) { | |
2298 | type = IF_MTD; | |
2299 | max_devs = 0; | |
2300 | } else if (!strcmp(buf, "sd")) { | |
2301 | type = IF_SD; | |
2302 | max_devs = 0; | |
2303 | } else if (!strcmp(buf, "virtio")) { | |
2304 | type = IF_VIRTIO; | |
2305 | max_devs = 0; | |
2306 | } else { | |
2307 | fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); | |
2308 | return -1; | |
2309 | } | |
2310 | } | |
2311 | ||
2312 | if (get_param_value(buf, sizeof(buf), "index", str)) { | |
2313 | index = strtol(buf, NULL, 0); | |
2314 | if (index < 0) { | |
2315 | fprintf(stderr, "qemu: '%s' invalid index\n", str); | |
2316 | return -1; | |
2317 | } | |
2318 | } | |
2319 | ||
2320 | if (get_param_value(buf, sizeof(buf), "cyls", str)) { | |
2321 | cyls = strtol(buf, NULL, 0); | |
2322 | } | |
2323 | ||
2324 | if (get_param_value(buf, sizeof(buf), "heads", str)) { | |
2325 | heads = strtol(buf, NULL, 0); | |
2326 | } | |
2327 | ||
2328 | if (get_param_value(buf, sizeof(buf), "secs", str)) { | |
2329 | secs = strtol(buf, NULL, 0); | |
2330 | } | |
2331 | ||
2332 | if (cyls || heads || secs) { | |
2333 | if (cyls < 1 || cyls > 16383) { | |
2334 | fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); | |
2335 | return -1; | |
2336 | } | |
2337 | if (heads < 1 || heads > 16) { | |
2338 | fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); | |
2339 | return -1; | |
2340 | } | |
2341 | if (secs < 1 || secs > 63) { | |
2342 | fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); | |
2343 | return -1; | |
2344 | } | |
2345 | } | |
2346 | ||
2347 | if (get_param_value(buf, sizeof(buf), "trans", str)) { | |
2348 | if (!cyls) { | |
2349 | fprintf(stderr, | |
2350 | "qemu: '%s' trans must be used with cyls,heads and secs\n", | |
2351 | str); | |
2352 | return -1; | |
2353 | } | |
2354 | if (!strcmp(buf, "none")) | |
2355 | translation = BIOS_ATA_TRANSLATION_NONE; | |
2356 | else if (!strcmp(buf, "lba")) | |
2357 | translation = BIOS_ATA_TRANSLATION_LBA; | |
2358 | else if (!strcmp(buf, "auto")) | |
2359 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
2360 | else { | |
2361 | fprintf(stderr, "qemu: '%s' invalid translation type\n", str); | |
2362 | return -1; | |
2363 | } | |
2364 | } | |
2365 | ||
2366 | if (get_param_value(buf, sizeof(buf), "media", str)) { | |
2367 | if (!strcmp(buf, "disk")) { | |
2368 | media = MEDIA_DISK; | |
2369 | } else if (!strcmp(buf, "cdrom")) { | |
2370 | if (cyls || secs || heads) { | |
2371 | fprintf(stderr, | |
2372 | "qemu: '%s' invalid physical CHS format\n", str); | |
2373 | return -1; | |
2374 | } | |
2375 | media = MEDIA_CDROM; | |
2376 | } else { | |
2377 | fprintf(stderr, "qemu: '%s' invalid media\n", str); | |
2378 | return -1; | |
2379 | } | |
2380 | } | |
2381 | ||
2382 | if (get_param_value(buf, sizeof(buf), "snapshot", str)) { | |
2383 | if (!strcmp(buf, "on")) | |
2384 | snapshot = 1; | |
2385 | else if (!strcmp(buf, "off")) | |
2386 | snapshot = 0; | |
2387 | else { | |
2388 | fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); | |
2389 | return -1; | |
2390 | } | |
2391 | } | |
2392 | ||
2393 | if (get_param_value(buf, sizeof(buf), "cache", str)) { | |
2394 | if (!strcmp(buf, "off") || !strcmp(buf, "none")) | |
2395 | cache = 0; | |
2396 | else if (!strcmp(buf, "writethrough")) | |
2397 | cache = 1; | |
2398 | else if (!strcmp(buf, "writeback")) | |
2399 | cache = 2; | |
2400 | else { | |
2401 | fprintf(stderr, "qemu: invalid cache option\n"); | |
2402 | return -1; | |
2403 | } | |
2404 | } | |
2405 | ||
2406 | if (get_param_value(buf, sizeof(buf), "format", str)) { | |
2407 | if (strcmp(buf, "?") == 0) { | |
2408 | fprintf(stderr, "qemu: Supported formats:"); | |
2409 | bdrv_iterate_format(bdrv_format_print, NULL); | |
2410 | fprintf(stderr, "\n"); | |
2411 | return -1; | |
2412 | } | |
2413 | drv = bdrv_find_format(buf); | |
2414 | if (!drv) { | |
2415 | fprintf(stderr, "qemu: '%s' invalid format\n", buf); | |
2416 | return -1; | |
2417 | } | |
2418 | } | |
2419 | ||
2420 | if (arg->file == NULL) | |
2421 | get_param_value(file, sizeof(file), "file", str); | |
2422 | else | |
2423 | pstrcpy(file, sizeof(file), arg->file); | |
2424 | ||
2425 | if (!get_param_value(serial, sizeof(serial), "serial", str)) | |
2426 | memset(serial, 0, sizeof(serial)); | |
2427 | ||
2428 | /* compute bus and unit according index */ | |
2429 | ||
2430 | if (index != -1) { | |
2431 | if (bus_id != 0 || unit_id != -1) { | |
2432 | fprintf(stderr, | |
2433 | "qemu: '%s' index cannot be used with bus and unit\n", str); | |
2434 | return -1; | |
2435 | } | |
2436 | if (max_devs == 0) | |
2437 | { | |
2438 | unit_id = index; | |
2439 | bus_id = 0; | |
2440 | } else { | |
2441 | unit_id = index % max_devs; | |
2442 | bus_id = index / max_devs; | |
2443 | } | |
2444 | } | |
2445 | ||
2446 | /* if user doesn't specify a unit_id, | |
2447 | * try to find the first free | |
2448 | */ | |
2449 | ||
2450 | if (unit_id == -1) { | |
2451 | unit_id = 0; | |
2452 | while (drive_get_index(type, bus_id, unit_id) != -1) { | |
2453 | unit_id++; | |
2454 | if (max_devs && unit_id >= max_devs) { | |
2455 | unit_id -= max_devs; | |
2456 | bus_id++; | |
2457 | } | |
2458 | } | |
2459 | } | |
2460 | ||
2461 | /* check unit id */ | |
2462 | ||
2463 | if (max_devs && unit_id >= max_devs) { | |
2464 | fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", | |
2465 | str, unit_id, max_devs - 1); | |
2466 | return -1; | |
2467 | } | |
2468 | ||
2469 | /* | |
2470 | * ignore multiple definitions | |
2471 | */ | |
2472 | ||
2473 | if (drive_get_index(type, bus_id, unit_id) != -1) | |
2474 | return 0; | |
2475 | ||
2476 | /* init */ | |
2477 | ||
2478 | if (type == IF_IDE || type == IF_SCSI) | |
2479 | mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; | |
2480 | if (max_devs) | |
2481 | snprintf(buf, sizeof(buf), "%s%i%s%i", | |
2482 | devname, bus_id, mediastr, unit_id); | |
2483 | else | |
2484 | snprintf(buf, sizeof(buf), "%s%s%i", | |
2485 | devname, mediastr, unit_id); | |
2486 | bdrv = bdrv_new(buf); | |
2487 | drives_table[nb_drives].bdrv = bdrv; | |
2488 | drives_table[nb_drives].type = type; | |
2489 | drives_table[nb_drives].bus = bus_id; | |
2490 | drives_table[nb_drives].unit = unit_id; | |
2491 | strncpy(drives_table[nb_drives].serial, serial, sizeof(serial)); | |
2492 | nb_drives++; | |
2493 | ||
2494 | switch(type) { | |
2495 | case IF_IDE: | |
2496 | case IF_SCSI: | |
2497 | switch(media) { | |
2498 | case MEDIA_DISK: | |
2499 | if (cyls != 0) { | |
2500 | bdrv_set_geometry_hint(bdrv, cyls, heads, secs); | |
2501 | bdrv_set_translation_hint(bdrv, translation); | |
2502 | } | |
2503 | break; | |
2504 | case MEDIA_CDROM: | |
2505 | bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); | |
2506 | break; | |
2507 | } | |
2508 | break; | |
2509 | case IF_SD: | |
2510 | /* FIXME: This isn't really a floppy, but it's a reasonable | |
2511 | approximation. */ | |
2512 | case IF_FLOPPY: | |
2513 | bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); | |
2514 | break; | |
2515 | case IF_PFLASH: | |
2516 | case IF_MTD: | |
2517 | case IF_VIRTIO: | |
2518 | break; | |
2519 | } | |
2520 | if (!file[0]) | |
2521 | return 0; | |
2522 | bdrv_flags = 0; | |
2523 | if (snapshot) { | |
2524 | bdrv_flags |= BDRV_O_SNAPSHOT; | |
2525 | cache = 2; /* always use write-back with snapshot */ | |
2526 | } | |
2527 | if (cache == 0) /* no caching */ | |
2528 | bdrv_flags |= BDRV_O_NOCACHE; | |
2529 | else if (cache == 2) /* write-back */ | |
2530 | bdrv_flags |= BDRV_O_CACHE_WB; | |
2531 | else if (cache == 3) /* not specified */ | |
2532 | bdrv_flags |= BDRV_O_CACHE_DEF; | |
2533 | if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { | |
2534 | fprintf(stderr, "qemu: could not open disk image %s\n", | |
2535 | file); | |
2536 | return -1; | |
2537 | } | |
2538 | return 0; | |
2539 | } | |
2540 | ||
2541 | /***********************************************************/ | |
2542 | /* USB devices */ | |
2543 | ||
2544 | static USBPort *used_usb_ports; | |
2545 | static USBPort *free_usb_ports; | |
2546 | ||
2547 | /* ??? Maybe change this to register a hub to keep track of the topology. */ | |
2548 | void qemu_register_usb_port(USBPort *port, void *opaque, int index, | |
2549 | usb_attachfn attach) | |
2550 | { | |
2551 | port->opaque = opaque; | |
2552 | port->index = index; | |
2553 | port->attach = attach; | |
2554 | port->next = free_usb_ports; | |
2555 | free_usb_ports = port; | |
2556 | } | |
2557 | ||
2558 | int usb_device_add_dev(USBDevice *dev) | |
2559 | { | |
2560 | USBPort *port; | |
2561 | ||
2562 | /* Find a USB port to add the device to. */ | |
2563 | port = free_usb_ports; | |
2564 | if (!port->next) { | |
2565 | USBDevice *hub; | |
2566 | ||
2567 | /* Create a new hub and chain it on. */ | |
2568 | free_usb_ports = NULL; | |
2569 | port->next = used_usb_ports; | |
2570 | used_usb_ports = port; | |
2571 | ||
2572 | hub = usb_hub_init(VM_USB_HUB_SIZE); | |
2573 | usb_attach(port, hub); | |
2574 | port = free_usb_ports; | |
2575 | } | |
2576 | ||
2577 | free_usb_ports = port->next; | |
2578 | port->next = used_usb_ports; | |
2579 | used_usb_ports = port; | |
2580 | usb_attach(port, dev); | |
2581 | return 0; | |
2582 | } | |
2583 | ||
2584 | static int usb_device_add(const char *devname) | |
2585 | { | |
2586 | const char *p; | |
2587 | USBDevice *dev; | |
2588 | ||
2589 | if (!free_usb_ports) | |
2590 | return -1; | |
2591 | ||
2592 | if (strstart(devname, "host:", &p)) { | |
2593 | dev = usb_host_device_open(p); | |
2594 | } else if (!strcmp(devname, "mouse")) { | |
2595 | dev = usb_mouse_init(); | |
2596 | } else if (!strcmp(devname, "tablet")) { | |
2597 | dev = usb_tablet_init(); | |
2598 | } else if (!strcmp(devname, "keyboard")) { | |
2599 | dev = usb_keyboard_init(); | |
2600 | } else if (strstart(devname, "disk:", &p)) { | |
2601 | dev = usb_msd_init(p); | |
2602 | } else if (!strcmp(devname, "wacom-tablet")) { | |
2603 | dev = usb_wacom_init(); | |
2604 | } else if (strstart(devname, "serial:", &p)) { | |
2605 | dev = usb_serial_init(p); | |
2606 | #ifdef CONFIG_BRLAPI | |
2607 | } else if (!strcmp(devname, "braille")) { | |
2608 | dev = usb_baum_init(); | |
2609 | #endif | |
2610 | } else if (strstart(devname, "net:", &p)) { | |
2611 | int nic = nb_nics; | |
2612 | ||
2613 | if (net_client_init("nic", p) < 0) | |
2614 | return -1; | |
2615 | nd_table[nic].model = "usb"; | |
2616 | dev = usb_net_init(&nd_table[nic]); | |
2617 | } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) { | |
2618 | dev = usb_bt_init(devname[2] ? hci_init(p) : | |
2619 | bt_new_hci(qemu_find_bt_vlan(0))); | |
2620 | } else { | |
2621 | return -1; | |
2622 | } | |
2623 | if (!dev) | |
2624 | return -1; | |
2625 | ||
2626 | return usb_device_add_dev(dev); | |
2627 | } | |
2628 | ||
2629 | int usb_device_del_addr(int bus_num, int addr) | |
2630 | { | |
2631 | USBPort *port; | |
2632 | USBPort **lastp; | |
2633 | USBDevice *dev; | |
2634 | ||
2635 | if (!used_usb_ports) | |
2636 | return -1; | |
2637 | ||
2638 | if (bus_num != 0) | |
2639 | return -1; | |
2640 | ||
2641 | lastp = &used_usb_ports; | |
2642 | port = used_usb_ports; | |
2643 | while (port && port->dev->addr != addr) { | |
2644 | lastp = &port->next; | |
2645 | port = port->next; | |
2646 | } | |
2647 | ||
2648 | if (!port) | |
2649 | return -1; | |
2650 | ||
2651 | dev = port->dev; | |
2652 | *lastp = port->next; | |
2653 | usb_attach(port, NULL); | |
2654 | dev->handle_destroy(dev); | |
2655 | port->next = free_usb_ports; | |
2656 | free_usb_ports = port; | |
2657 | return 0; | |
2658 | } | |
2659 | ||
2660 | static int usb_device_del(const char *devname) | |
2661 | { | |
2662 | int bus_num, addr; | |
2663 | const char *p; | |
2664 | ||
2665 | if (strstart(devname, "host:", &p)) | |
2666 | return usb_host_device_close(p); | |
2667 | ||
2668 | if (!used_usb_ports) | |
2669 | return -1; | |
2670 | ||
2671 | p = strchr(devname, '.'); | |
2672 | if (!p) | |
2673 | return -1; | |
2674 | bus_num = strtoul(devname, NULL, 0); | |
2675 | addr = strtoul(p + 1, NULL, 0); | |
2676 | ||
2677 | return usb_device_del_addr(bus_num, addr); | |
2678 | } | |
2679 | ||
2680 | void do_usb_add(const char *devname) | |
2681 | { | |
2682 | usb_device_add(devname); | |
2683 | } | |
2684 | ||
2685 | void do_usb_del(const char *devname) | |
2686 | { | |
2687 | usb_device_del(devname); | |
2688 | } | |
2689 | ||
2690 | void usb_info(void) | |
2691 | { | |
2692 | USBDevice *dev; | |
2693 | USBPort *port; | |
2694 | const char *speed_str; | |
2695 | ||
2696 | if (!usb_enabled) { | |
2697 | term_printf("USB support not enabled\n"); | |
2698 | return; | |
2699 | } | |
2700 | ||
2701 | for (port = used_usb_ports; port; port = port->next) { | |
2702 | dev = port->dev; | |
2703 | if (!dev) | |
2704 | continue; | |
2705 | switch(dev->speed) { | |
2706 | case USB_SPEED_LOW: | |
2707 | speed_str = "1.5"; | |
2708 | break; | |
2709 | case USB_SPEED_FULL: | |
2710 | speed_str = "12"; | |
2711 | break; | |
2712 | case USB_SPEED_HIGH: | |
2713 | speed_str = "480"; | |
2714 | break; | |
2715 | default: | |
2716 | speed_str = "?"; | |
2717 | break; | |
2718 | } | |
2719 | term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", | |
2720 | 0, dev->addr, speed_str, dev->devname); | |
2721 | } | |
2722 | } | |
2723 | ||
2724 | /***********************************************************/ | |
2725 | /* PCMCIA/Cardbus */ | |
2726 | ||
2727 | static struct pcmcia_socket_entry_s { | |
2728 | struct pcmcia_socket_s *socket; | |
2729 | struct pcmcia_socket_entry_s *next; | |
2730 | } *pcmcia_sockets = 0; | |
2731 | ||
2732 | void pcmcia_socket_register(struct pcmcia_socket_s *socket) | |
2733 | { | |
2734 | struct pcmcia_socket_entry_s *entry; | |
2735 | ||
2736 | entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s)); | |
2737 | entry->socket = socket; | |
2738 | entry->next = pcmcia_sockets; | |
2739 | pcmcia_sockets = entry; | |
2740 | } | |
2741 | ||
2742 | void pcmcia_socket_unregister(struct pcmcia_socket_s *socket) | |
2743 | { | |
2744 | struct pcmcia_socket_entry_s *entry, **ptr; | |
2745 | ||
2746 | ptr = &pcmcia_sockets; | |
2747 | for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) | |
2748 | if (entry->socket == socket) { | |
2749 | *ptr = entry->next; | |
2750 | qemu_free(entry); | |
2751 | } | |
2752 | } | |
2753 | ||
2754 | void pcmcia_info(void) | |
2755 | { | |
2756 | struct pcmcia_socket_entry_s *iter; | |
2757 | if (!pcmcia_sockets) | |
2758 | term_printf("No PCMCIA sockets\n"); | |
2759 | ||
2760 | for (iter = pcmcia_sockets; iter; iter = iter->next) | |
2761 | term_printf("%s: %s\n", iter->socket->slot_string, | |
2762 | iter->socket->attached ? iter->socket->card_string : | |
2763 | "Empty"); | |
2764 | } | |
2765 | ||
2766 | /***********************************************************/ | |
2767 | /* dumb display */ | |
2768 | ||
2769 | static void dumb_update(DisplayState *ds, int x, int y, int w, int h) | |
2770 | { | |
2771 | } | |
2772 | ||
2773 | static void dumb_resize(DisplayState *ds, int w, int h) | |
2774 | { | |
2775 | } | |
2776 | ||
2777 | static void dumb_display_init(DisplayState *ds) | |
2778 | { | |
2779 | ds->data = NULL; | |
2780 | ds->linesize = 0; | |
2781 | ds->depth = 0; | |
2782 | ds->dpy_update = dumb_update; | |
2783 | ds->dpy_resize = dumb_resize; | |
2784 | ds->dpy_refresh = NULL; | |
2785 | ds->gui_timer_interval = 0; | |
2786 | ds->idle = 1; | |
2787 | } | |
2788 | ||
2789 | /***********************************************************/ | |
2790 | /* I/O handling */ | |
2791 | ||
2792 | #define MAX_IO_HANDLERS 64 | |
2793 | ||
2794 | typedef struct IOHandlerRecord { | |
2795 | int fd; | |
2796 | IOCanRWHandler *fd_read_poll; | |
2797 | IOHandler *fd_read; | |
2798 | IOHandler *fd_write; | |
2799 | int deleted; | |
2800 | void *opaque; | |
2801 | /* temporary data */ | |
2802 | struct pollfd *ufd; | |
2803 | struct IOHandlerRecord *next; | |
2804 | } IOHandlerRecord; | |
2805 | ||
2806 | static IOHandlerRecord *first_io_handler; | |
2807 | ||
2808 | /* XXX: fd_read_poll should be suppressed, but an API change is | |
2809 | necessary in the character devices to suppress fd_can_read(). */ | |
2810 | int qemu_set_fd_handler2(int fd, | |
2811 | IOCanRWHandler *fd_read_poll, | |
2812 | IOHandler *fd_read, | |
2813 | IOHandler *fd_write, | |
2814 | void *opaque) | |
2815 | { | |
2816 | IOHandlerRecord **pioh, *ioh; | |
2817 | ||
2818 | if (!fd_read && !fd_write) { | |
2819 | pioh = &first_io_handler; | |
2820 | for(;;) { | |
2821 | ioh = *pioh; | |
2822 | if (ioh == NULL) | |
2823 | break; | |
2824 | if (ioh->fd == fd) { | |
2825 | ioh->deleted = 1; | |
2826 | break; | |
2827 | } | |
2828 | pioh = &ioh->next; | |
2829 | } | |
2830 | } else { | |
2831 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
2832 | if (ioh->fd == fd) | |
2833 | goto found; | |
2834 | } | |
2835 | ioh = qemu_mallocz(sizeof(IOHandlerRecord)); | |
2836 | if (!ioh) | |
2837 | return -1; | |
2838 | ioh->next = first_io_handler; | |
2839 | first_io_handler = ioh; | |
2840 | found: | |
2841 | ioh->fd = fd; | |
2842 | ioh->fd_read_poll = fd_read_poll; | |
2843 | ioh->fd_read = fd_read; | |
2844 | ioh->fd_write = fd_write; | |
2845 | ioh->opaque = opaque; | |
2846 | ioh->deleted = 0; | |
2847 | } | |
2848 | return 0; | |
2849 | } | |
2850 | ||
2851 | int qemu_set_fd_handler(int fd, | |
2852 | IOHandler *fd_read, | |
2853 | IOHandler *fd_write, | |
2854 | void *opaque) | |
2855 | { | |
2856 | return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); | |
2857 | } | |
2858 | ||
2859 | #ifdef _WIN32 | |
2860 | /***********************************************************/ | |
2861 | /* Polling handling */ | |
2862 | ||
2863 | typedef struct PollingEntry { | |
2864 | PollingFunc *func; | |
2865 | void *opaque; | |
2866 | struct PollingEntry *next; | |
2867 | } PollingEntry; | |
2868 | ||
2869 | static PollingEntry *first_polling_entry; | |
2870 | ||
2871 | int qemu_add_polling_cb(PollingFunc *func, void *opaque) | |
2872 | { | |
2873 | PollingEntry **ppe, *pe; | |
2874 | pe = qemu_mallocz(sizeof(PollingEntry)); | |
2875 | if (!pe) | |
2876 | return -1; | |
2877 | pe->func = func; | |
2878 | pe->opaque = opaque; | |
2879 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); | |
2880 | *ppe = pe; | |
2881 | return 0; | |
2882 | } | |
2883 | ||
2884 | void qemu_del_polling_cb(PollingFunc *func, void *opaque) | |
2885 | { | |
2886 | PollingEntry **ppe, *pe; | |
2887 | for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { | |
2888 | pe = *ppe; | |
2889 | if (pe->func == func && pe->opaque == opaque) { | |
2890 | *ppe = pe->next; | |
2891 | qemu_free(pe); | |
2892 | break; | |
2893 | } | |
2894 | } | |
2895 | } | |
2896 | ||
2897 | /***********************************************************/ | |
2898 | /* Wait objects support */ | |
2899 | typedef struct WaitObjects { | |
2900 | int num; | |
2901 | HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; | |
2902 | WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; | |
2903 | void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; | |
2904 | } WaitObjects; | |
2905 | ||
2906 | static WaitObjects wait_objects = {0}; | |
2907 | ||
2908 | int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2909 | { | |
2910 | WaitObjects *w = &wait_objects; | |
2911 | ||
2912 | if (w->num >= MAXIMUM_WAIT_OBJECTS) | |
2913 | return -1; | |
2914 | w->events[w->num] = handle; | |
2915 | w->func[w->num] = func; | |
2916 | w->opaque[w->num] = opaque; | |
2917 | w->num++; | |
2918 | return 0; | |
2919 | } | |
2920 | ||
2921 | void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) | |
2922 | { | |
2923 | int i, found; | |
2924 | WaitObjects *w = &wait_objects; | |
2925 | ||
2926 | found = 0; | |
2927 | for (i = 0; i < w->num; i++) { | |
2928 | if (w->events[i] == handle) | |
2929 | found = 1; | |
2930 | if (found) { | |
2931 | w->events[i] = w->events[i + 1]; | |
2932 | w->func[i] = w->func[i + 1]; | |
2933 | w->opaque[i] = w->opaque[i + 1]; | |
2934 | } | |
2935 | } | |
2936 | if (found) | |
2937 | w->num--; | |
2938 | } | |
2939 | #endif | |
2940 | ||
2941 | /***********************************************************/ | |
2942 | /* ram save/restore */ | |
2943 | ||
2944 | static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) | |
2945 | { | |
2946 | int v; | |
2947 | ||
2948 | v = qemu_get_byte(f); | |
2949 | switch(v) { | |
2950 | case 0: | |
2951 | if (qemu_get_buffer(f, buf, len) != len) | |
2952 | return -EIO; | |
2953 | break; | |
2954 | case 1: | |
2955 | v = qemu_get_byte(f); | |
2956 | memset(buf, v, len); | |
2957 | break; | |
2958 | default: | |
2959 | return -EINVAL; | |
2960 | } | |
2961 | ||
2962 | if (qemu_file_has_error(f)) | |
2963 | return -EIO; | |
2964 | ||
2965 | return 0; | |
2966 | } | |
2967 | ||
2968 | static int ram_load_v1(QEMUFile *f, void *opaque) | |
2969 | { | |
2970 | int ret; | |
2971 | ram_addr_t i; | |
2972 | ||
2973 | if (qemu_get_be32(f) != phys_ram_size) | |
2974 | return -EINVAL; | |
2975 | for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { | |
2976 | ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); | |
2977 | if (ret) | |
2978 | return ret; | |
2979 | } | |
2980 | return 0; | |
2981 | } | |
2982 | ||
2983 | #define BDRV_HASH_BLOCK_SIZE 1024 | |
2984 | #define IOBUF_SIZE 4096 | |
2985 | #define RAM_CBLOCK_MAGIC 0xfabe | |
2986 | ||
2987 | typedef struct RamDecompressState { | |
2988 | z_stream zstream; | |
2989 | QEMUFile *f; | |
2990 | uint8_t buf[IOBUF_SIZE]; | |
2991 | } RamDecompressState; | |
2992 | ||
2993 | static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) | |
2994 | { | |
2995 | int ret; | |
2996 | memset(s, 0, sizeof(*s)); | |
2997 | s->f = f; | |
2998 | ret = inflateInit(&s->zstream); | |
2999 | if (ret != Z_OK) | |
3000 | return -1; | |
3001 | return 0; | |
3002 | } | |
3003 | ||
3004 | static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) | |
3005 | { | |
3006 | int ret, clen; | |
3007 | ||
3008 | s->zstream.avail_out = len; | |
3009 | s->zstream.next_out = buf; | |
3010 | while (s->zstream.avail_out > 0) { | |
3011 | if (s->zstream.avail_in == 0) { | |
3012 | if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) | |
3013 | return -1; | |
3014 | clen = qemu_get_be16(s->f); | |
3015 | if (clen > IOBUF_SIZE) | |
3016 | return -1; | |
3017 | qemu_get_buffer(s->f, s->buf, clen); | |
3018 | s->zstream.avail_in = clen; | |
3019 | s->zstream.next_in = s->buf; | |
3020 | } | |
3021 | ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); | |
3022 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
3023 | return -1; | |
3024 | } | |
3025 | } | |
3026 | return 0; | |
3027 | } | |
3028 | ||
3029 | static void ram_decompress_close(RamDecompressState *s) | |
3030 | { | |
3031 | inflateEnd(&s->zstream); | |
3032 | } | |
3033 | ||
3034 | #define RAM_SAVE_FLAG_FULL 0x01 | |
3035 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
3036 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
3037 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
3038 | #define RAM_SAVE_FLAG_EOS 0x10 | |
3039 | ||
3040 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
3041 | { | |
3042 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
3043 | uint32_t *array = (uint32_t *)page; | |
3044 | int i; | |
3045 | ||
3046 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
3047 | if (array[i] != val) | |
3048 | return 0; | |
3049 | } | |
3050 | ||
3051 | return 1; | |
3052 | } | |
3053 | ||
3054 | static int ram_save_block(QEMUFile *f) | |
3055 | { | |
3056 | static ram_addr_t current_addr = 0; | |
3057 | ram_addr_t saved_addr = current_addr; | |
3058 | ram_addr_t addr = 0; | |
3059 | int found = 0; | |
3060 | ||
3061 | while (addr < phys_ram_size) { | |
3062 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { | |
3063 | uint8_t ch; | |
3064 | ||
3065 | cpu_physical_memory_reset_dirty(current_addr, | |
3066 | current_addr + TARGET_PAGE_SIZE, | |
3067 | MIGRATION_DIRTY_FLAG); | |
3068 | ||
3069 | ch = *(phys_ram_base + current_addr); | |
3070 | ||
3071 | if (is_dup_page(phys_ram_base + current_addr, ch)) { | |
3072 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); | |
3073 | qemu_put_byte(f, ch); | |
3074 | } else { | |
3075 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
3076 | qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE); | |
3077 | } | |
3078 | ||
3079 | found = 1; | |
3080 | break; | |
3081 | } | |
3082 | addr += TARGET_PAGE_SIZE; | |
3083 | current_addr = (saved_addr + addr) % phys_ram_size; | |
3084 | } | |
3085 | ||
3086 | return found; | |
3087 | } | |
3088 | ||
3089 | static ram_addr_t ram_save_threshold = 10; | |
3090 | ||
3091 | static ram_addr_t ram_save_remaining(void) | |
3092 | { | |
3093 | ram_addr_t addr; | |
3094 | ram_addr_t count = 0; | |
3095 | ||
3096 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
3097 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3098 | count++; | |
3099 | } | |
3100 | ||
3101 | return count; | |
3102 | } | |
3103 | ||
3104 | static int ram_save_live(QEMUFile *f, int stage, void *opaque) | |
3105 | { | |
3106 | ram_addr_t addr; | |
3107 | ||
3108 | if (stage == 1) { | |
3109 | /* Make sure all dirty bits are set */ | |
3110 | for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) { | |
3111 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) | |
3112 | cpu_physical_memory_set_dirty(addr); | |
3113 | } | |
3114 | ||
3115 | /* Enable dirty memory tracking */ | |
3116 | cpu_physical_memory_set_dirty_tracking(1); | |
3117 | ||
3118 | qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE); | |
3119 | } | |
3120 | ||
3121 | while (!qemu_file_rate_limit(f)) { | |
3122 | int ret; | |
3123 | ||
3124 | ret = ram_save_block(f); | |
3125 | if (ret == 0) /* no more blocks */ | |
3126 | break; | |
3127 | } | |
3128 | ||
3129 | /* try transferring iterative blocks of memory */ | |
3130 | ||
3131 | if (stage == 3) { | |
3132 | cpu_physical_memory_set_dirty_tracking(0); | |
3133 | ||
3134 | /* flush all remaining blocks regardless of rate limiting */ | |
3135 | while (ram_save_block(f) != 0); | |
3136 | } | |
3137 | ||
3138 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
3139 | ||
3140 | return (stage == 2) && (ram_save_remaining() < ram_save_threshold); | |
3141 | } | |
3142 | ||
3143 | static int ram_load_dead(QEMUFile *f, void *opaque) | |
3144 | { | |
3145 | RamDecompressState s1, *s = &s1; | |
3146 | uint8_t buf[10]; | |
3147 | ram_addr_t i; | |
3148 | ||
3149 | if (ram_decompress_open(s, f) < 0) | |
3150 | return -EINVAL; | |
3151 | for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { | |
3152 | if (ram_decompress_buf(s, buf, 1) < 0) { | |
3153 | fprintf(stderr, "Error while reading ram block header\n"); | |
3154 | goto error; | |
3155 | } | |
3156 | if (buf[0] == 0) { | |
3157 | if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { | |
3158 | fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); | |
3159 | goto error; | |
3160 | } | |
3161 | } else { | |
3162 | error: | |
3163 | printf("Error block header\n"); | |
3164 | return -EINVAL; | |
3165 | } | |
3166 | } | |
3167 | ram_decompress_close(s); | |
3168 | ||
3169 | return 0; | |
3170 | } | |
3171 | ||
3172 | static int ram_load(QEMUFile *f, void *opaque, int version_id) | |
3173 | { | |
3174 | ram_addr_t addr; | |
3175 | int flags; | |
3176 | ||
3177 | if (version_id == 1) | |
3178 | return ram_load_v1(f, opaque); | |
3179 | ||
3180 | if (version_id == 2) { | |
3181 | if (qemu_get_be32(f) != phys_ram_size) | |
3182 | return -EINVAL; | |
3183 | return ram_load_dead(f, opaque); | |
3184 | } | |
3185 | ||
3186 | if (version_id != 3) | |
3187 | return -EINVAL; | |
3188 | ||
3189 | do { | |
3190 | addr = qemu_get_be64(f); | |
3191 | ||
3192 | flags = addr & ~TARGET_PAGE_MASK; | |
3193 | addr &= TARGET_PAGE_MASK; | |
3194 | ||
3195 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
3196 | if (addr != phys_ram_size) | |
3197 | return -EINVAL; | |
3198 | } | |
3199 | ||
3200 | if (flags & RAM_SAVE_FLAG_FULL) { | |
3201 | if (ram_load_dead(f, opaque) < 0) | |
3202 | return -EINVAL; | |
3203 | } | |
3204 | ||
3205 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
3206 | uint8_t ch = qemu_get_byte(f); | |
3207 | memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE); | |
3208 | } else if (flags & RAM_SAVE_FLAG_PAGE) | |
3209 | qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE); | |
3210 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
3211 | ||
3212 | return 0; | |
3213 | } | |
3214 | ||
3215 | void qemu_service_io(void) | |
3216 | { | |
3217 | CPUState *env = cpu_single_env; | |
3218 | if (env) { | |
3219 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
3220 | #ifdef USE_KQEMU | |
3221 | if (env->kqemu_enabled) { | |
3222 | kqemu_cpu_interrupt(env); | |
3223 | } | |
3224 | #endif | |
3225 | } | |
3226 | } | |
3227 | ||
3228 | /***********************************************************/ | |
3229 | /* bottom halves (can be seen as timers which expire ASAP) */ | |
3230 | ||
3231 | struct QEMUBH { | |
3232 | QEMUBHFunc *cb; | |
3233 | void *opaque; | |
3234 | int scheduled; | |
3235 | int idle; | |
3236 | int deleted; | |
3237 | QEMUBH *next; | |
3238 | }; | |
3239 | ||
3240 | static QEMUBH *first_bh = NULL; | |
3241 | ||
3242 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) | |
3243 | { | |
3244 | QEMUBH *bh; | |
3245 | bh = qemu_mallocz(sizeof(QEMUBH)); | |
3246 | if (!bh) | |
3247 | return NULL; | |
3248 | bh->cb = cb; | |
3249 | bh->opaque = opaque; | |
3250 | bh->next = first_bh; | |
3251 | first_bh = bh; | |
3252 | return bh; | |
3253 | } | |
3254 | ||
3255 | int qemu_bh_poll(void) | |
3256 | { | |
3257 | QEMUBH *bh, **bhp; | |
3258 | int ret; | |
3259 | ||
3260 | ret = 0; | |
3261 | for (bh = first_bh; bh; bh = bh->next) { | |
3262 | if (!bh->deleted && bh->scheduled) { | |
3263 | bh->scheduled = 0; | |
3264 | if (!bh->idle) | |
3265 | ret = 1; | |
3266 | bh->idle = 0; | |
3267 | bh->cb(bh->opaque); | |
3268 | } | |
3269 | } | |
3270 | ||
3271 | /* remove deleted bhs */ | |
3272 | bhp = &first_bh; | |
3273 | while (*bhp) { | |
3274 | bh = *bhp; | |
3275 | if (bh->deleted) { | |
3276 | *bhp = bh->next; | |
3277 | qemu_free(bh); | |
3278 | } else | |
3279 | bhp = &bh->next; | |
3280 | } | |
3281 | ||
3282 | return ret; | |
3283 | } | |
3284 | ||
3285 | void qemu_bh_schedule_idle(QEMUBH *bh) | |
3286 | { | |
3287 | if (bh->scheduled) | |
3288 | return; | |
3289 | bh->scheduled = 1; | |
3290 | bh->idle = 1; | |
3291 | } | |
3292 | ||
3293 | void qemu_bh_schedule(QEMUBH *bh) | |
3294 | { | |
3295 | CPUState *env = cpu_single_env; | |
3296 | if (bh->scheduled) | |
3297 | return; | |
3298 | bh->scheduled = 1; | |
3299 | bh->idle = 0; | |
3300 | /* stop the currently executing CPU to execute the BH ASAP */ | |
3301 | if (env) { | |
3302 | cpu_interrupt(env, CPU_INTERRUPT_EXIT); | |
3303 | } | |
3304 | } | |
3305 | ||
3306 | void qemu_bh_cancel(QEMUBH *bh) | |
3307 | { | |
3308 | bh->scheduled = 0; | |
3309 | } | |
3310 | ||
3311 | void qemu_bh_delete(QEMUBH *bh) | |
3312 | { | |
3313 | bh->scheduled = 0; | |
3314 | bh->deleted = 1; | |
3315 | } | |
3316 | ||
3317 | static void qemu_bh_update_timeout(int *timeout) | |
3318 | { | |
3319 | QEMUBH *bh; | |
3320 | ||
3321 | for (bh = first_bh; bh; bh = bh->next) { | |
3322 | if (!bh->deleted && bh->scheduled) { | |
3323 | if (bh->idle) { | |
3324 | /* idle bottom halves will be polled at least | |
3325 | * every 10ms */ | |
3326 | *timeout = MIN(10, *timeout); | |
3327 | } else { | |
3328 | /* non-idle bottom halves will be executed | |
3329 | * immediately */ | |
3330 | *timeout = 0; | |
3331 | break; | |
3332 | } | |
3333 | } | |
3334 | } | |
3335 | } | |
3336 | ||
3337 | /***********************************************************/ | |
3338 | /* machine registration */ | |
3339 | ||
3340 | static QEMUMachine *first_machine = NULL; | |
3341 | ||
3342 | int qemu_register_machine(QEMUMachine *m) | |
3343 | { | |
3344 | QEMUMachine **pm; | |
3345 | pm = &first_machine; | |
3346 | while (*pm != NULL) | |
3347 | pm = &(*pm)->next; | |
3348 | m->next = NULL; | |
3349 | *pm = m; | |
3350 | return 0; | |
3351 | } | |
3352 | ||
3353 | static QEMUMachine *find_machine(const char *name) | |
3354 | { | |
3355 | QEMUMachine *m; | |
3356 | ||
3357 | for(m = first_machine; m != NULL; m = m->next) { | |
3358 | if (!strcmp(m->name, name)) | |
3359 | return m; | |
3360 | } | |
3361 | return NULL; | |
3362 | } | |
3363 | ||
3364 | /***********************************************************/ | |
3365 | /* main execution loop */ | |
3366 | ||
3367 | static void gui_update(void *opaque) | |
3368 | { | |
3369 | DisplayState *ds = opaque; | |
3370 | ds->dpy_refresh(ds); | |
3371 | qemu_mod_timer(ds->gui_timer, | |
3372 | (ds->gui_timer_interval ? | |
3373 | ds->gui_timer_interval : | |
3374 | GUI_REFRESH_INTERVAL) | |
3375 | + qemu_get_clock(rt_clock)); | |
3376 | } | |
3377 | ||
3378 | struct vm_change_state_entry { | |
3379 | VMChangeStateHandler *cb; | |
3380 | void *opaque; | |
3381 | LIST_ENTRY (vm_change_state_entry) entries; | |
3382 | }; | |
3383 | ||
3384 | static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; | |
3385 | ||
3386 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
3387 | void *opaque) | |
3388 | { | |
3389 | VMChangeStateEntry *e; | |
3390 | ||
3391 | e = qemu_mallocz(sizeof (*e)); | |
3392 | if (!e) | |
3393 | return NULL; | |
3394 | ||
3395 | e->cb = cb; | |
3396 | e->opaque = opaque; | |
3397 | LIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
3398 | return e; | |
3399 | } | |
3400 | ||
3401 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
3402 | { | |
3403 | LIST_REMOVE (e, entries); | |
3404 | qemu_free (e); | |
3405 | } | |
3406 | ||
3407 | static void vm_state_notify(int running) | |
3408 | { | |
3409 | VMChangeStateEntry *e; | |
3410 | ||
3411 | for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { | |
3412 | e->cb(e->opaque, running); | |
3413 | } | |
3414 | } | |
3415 | ||
3416 | /* XXX: support several handlers */ | |
3417 | static VMStopHandler *vm_stop_cb; | |
3418 | static void *vm_stop_opaque; | |
3419 | ||
3420 | int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
3421 | { | |
3422 | vm_stop_cb = cb; | |
3423 | vm_stop_opaque = opaque; | |
3424 | return 0; | |
3425 | } | |
3426 | ||
3427 | void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) | |
3428 | { | |
3429 | vm_stop_cb = NULL; | |
3430 | } | |
3431 | ||
3432 | void vm_start(void) | |
3433 | { | |
3434 | if (!vm_running) { | |
3435 | cpu_enable_ticks(); | |
3436 | vm_running = 1; | |
3437 | vm_state_notify(1); | |
3438 | qemu_rearm_alarm_timer(alarm_timer); | |
3439 | } | |
3440 | } | |
3441 | ||
3442 | void vm_stop(int reason) | |
3443 | { | |
3444 | if (vm_running) { | |
3445 | cpu_disable_ticks(); | |
3446 | vm_running = 0; | |
3447 | if (reason != 0) { | |
3448 | if (vm_stop_cb) { | |
3449 | vm_stop_cb(vm_stop_opaque, reason); | |
3450 | } | |
3451 | } | |
3452 | vm_state_notify(0); | |
3453 | } | |
3454 | } | |
3455 | ||
3456 | /* reset/shutdown handler */ | |
3457 | ||
3458 | typedef struct QEMUResetEntry { | |
3459 | QEMUResetHandler *func; | |
3460 | void *opaque; | |
3461 | struct QEMUResetEntry *next; | |
3462 | } QEMUResetEntry; | |
3463 | ||
3464 | static QEMUResetEntry *first_reset_entry; | |
3465 | static int reset_requested; | |
3466 | static int shutdown_requested; | |
3467 | static int powerdown_requested; | |
3468 | ||
3469 | int qemu_shutdown_requested(void) | |
3470 | { | |
3471 | int r = shutdown_requested; | |
3472 | shutdown_requested = 0; | |
3473 | return r; | |
3474 | } | |
3475 | ||
3476 | int qemu_reset_requested(void) | |
3477 | { | |
3478 | int r = reset_requested; | |
3479 | reset_requested = 0; | |
3480 | return r; | |
3481 | } | |
3482 | ||
3483 | int qemu_powerdown_requested(void) | |
3484 | { | |
3485 | int r = powerdown_requested; | |
3486 | powerdown_requested = 0; | |
3487 | return r; | |
3488 | } | |
3489 | ||
3490 | void qemu_register_reset(QEMUResetHandler *func, void *opaque) | |
3491 | { | |
3492 | QEMUResetEntry **pre, *re; | |
3493 | ||
3494 | pre = &first_reset_entry; | |
3495 | while (*pre != NULL) | |
3496 | pre = &(*pre)->next; | |
3497 | re = qemu_mallocz(sizeof(QEMUResetEntry)); | |
3498 | re->func = func; | |
3499 | re->opaque = opaque; | |
3500 | re->next = NULL; | |
3501 | *pre = re; | |
3502 | } | |
3503 | ||
3504 | void qemu_system_reset(void) | |
3505 | { | |
3506 | QEMUResetEntry *re; | |
3507 | ||
3508 | /* reset all devices */ | |
3509 | for(re = first_reset_entry; re != NULL; re = re->next) { | |
3510 | re->func(re->opaque); | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | void qemu_system_reset_request(void) | |
3515 | { | |
3516 | if (no_reboot) { | |
3517 | shutdown_requested = 1; | |
3518 | } else { | |
3519 | reset_requested = 1; | |
3520 | } | |
3521 | if (cpu_single_env) | |
3522 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3523 | } | |
3524 | ||
3525 | void qemu_system_shutdown_request(void) | |
3526 | { | |
3527 | shutdown_requested = 1; | |
3528 | if (cpu_single_env) | |
3529 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3530 | } | |
3531 | ||
3532 | void qemu_system_powerdown_request(void) | |
3533 | { | |
3534 | powerdown_requested = 1; | |
3535 | if (cpu_single_env) | |
3536 | cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); | |
3537 | } | |
3538 | ||
3539 | #ifdef _WIN32 | |
3540 | static void host_main_loop_wait(int *timeout) | |
3541 | { | |
3542 | int ret, ret2, i; | |
3543 | PollingEntry *pe; | |
3544 | ||
3545 | ||
3546 | /* XXX: need to suppress polling by better using win32 events */ | |
3547 | ret = 0; | |
3548 | for(pe = first_polling_entry; pe != NULL; pe = pe->next) { | |
3549 | ret |= pe->func(pe->opaque); | |
3550 | } | |
3551 | if (ret == 0) { | |
3552 | int err; | |
3553 | WaitObjects *w = &wait_objects; | |
3554 | ||
3555 | ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout); | |
3556 | if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { | |
3557 | if (w->func[ret - WAIT_OBJECT_0]) | |
3558 | w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); | |
3559 | ||
3560 | /* Check for additional signaled events */ | |
3561 | for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { | |
3562 | ||
3563 | /* Check if event is signaled */ | |
3564 | ret2 = WaitForSingleObject(w->events[i], 0); | |
3565 | if(ret2 == WAIT_OBJECT_0) { | |
3566 | if (w->func[i]) | |
3567 | w->func[i](w->opaque[i]); | |
3568 | } else if (ret2 == WAIT_TIMEOUT) { | |
3569 | } else { | |
3570 | err = GetLastError(); | |
3571 | fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); | |
3572 | } | |
3573 | } | |
3574 | } else if (ret == WAIT_TIMEOUT) { | |
3575 | } else { | |
3576 | err = GetLastError(); | |
3577 | fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); | |
3578 | } | |
3579 | } | |
3580 | ||
3581 | *timeout = 0; | |
3582 | } | |
3583 | #else | |
3584 | static void host_main_loop_wait(int *timeout) | |
3585 | { | |
3586 | } | |
3587 | #endif | |
3588 | ||
3589 | void main_loop_wait(int timeout) | |
3590 | { | |
3591 | IOHandlerRecord *ioh; | |
3592 | fd_set rfds, wfds, xfds; | |
3593 | int ret, nfds; | |
3594 | struct timeval tv; | |
3595 | ||
3596 | qemu_bh_update_timeout(&timeout); | |
3597 | ||
3598 | host_main_loop_wait(&timeout); | |
3599 | ||
3600 | /* poll any events */ | |
3601 | /* XXX: separate device handlers from system ones */ | |
3602 | nfds = -1; | |
3603 | FD_ZERO(&rfds); | |
3604 | FD_ZERO(&wfds); | |
3605 | FD_ZERO(&xfds); | |
3606 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
3607 | if (ioh->deleted) | |
3608 | continue; | |
3609 | if (ioh->fd_read && | |
3610 | (!ioh->fd_read_poll || | |
3611 | ioh->fd_read_poll(ioh->opaque) != 0)) { | |
3612 | FD_SET(ioh->fd, &rfds); | |
3613 | if (ioh->fd > nfds) | |
3614 | nfds = ioh->fd; | |
3615 | } | |
3616 | if (ioh->fd_write) { | |
3617 | FD_SET(ioh->fd, &wfds); | |
3618 | if (ioh->fd > nfds) | |
3619 | nfds = ioh->fd; | |
3620 | } | |
3621 | } | |
3622 | ||
3623 | tv.tv_sec = timeout / 1000; | |
3624 | tv.tv_usec = (timeout % 1000) * 1000; | |
3625 | ||
3626 | #if defined(CONFIG_SLIRP) | |
3627 | if (slirp_is_inited()) { | |
3628 | slirp_select_fill(&nfds, &rfds, &wfds, &xfds); | |
3629 | } | |
3630 | #endif | |
3631 | ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); | |
3632 | if (ret > 0) { | |
3633 | IOHandlerRecord **pioh; | |
3634 | ||
3635 | for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { | |
3636 | if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { | |
3637 | ioh->fd_read(ioh->opaque); | |
3638 | } | |
3639 | if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { | |
3640 | ioh->fd_write(ioh->opaque); | |
3641 | } | |
3642 | } | |
3643 | ||
3644 | /* remove deleted IO handlers */ | |
3645 | pioh = &first_io_handler; | |
3646 | while (*pioh) { | |
3647 | ioh = *pioh; | |
3648 | if (ioh->deleted) { | |
3649 | *pioh = ioh->next; | |
3650 | qemu_free(ioh); | |
3651 | } else | |
3652 | pioh = &ioh->next; | |
3653 | } | |
3654 | } | |
3655 | #if defined(CONFIG_SLIRP) | |
3656 | if (slirp_is_inited()) { | |
3657 | if (ret < 0) { | |
3658 | FD_ZERO(&rfds); | |
3659 | FD_ZERO(&wfds); | |
3660 | FD_ZERO(&xfds); | |
3661 | } | |
3662 | slirp_select_poll(&rfds, &wfds, &xfds); | |
3663 | } | |
3664 | #endif | |
3665 | ||
3666 | /* vm time timers */ | |
3667 | if (vm_running && likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) | |
3668 | qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], | |
3669 | qemu_get_clock(vm_clock)); | |
3670 | ||
3671 | /* real time timers */ | |
3672 | qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], | |
3673 | qemu_get_clock(rt_clock)); | |
3674 | ||
3675 | /* Check bottom-halves last in case any of the earlier events triggered | |
3676 | them. */ | |
3677 | qemu_bh_poll(); | |
3678 | ||
3679 | } | |
3680 | ||
3681 | static int main_loop(void) | |
3682 | { | |
3683 | int ret, timeout; | |
3684 | #ifdef CONFIG_PROFILER | |
3685 | int64_t ti; | |
3686 | #endif | |
3687 | CPUState *env; | |
3688 | ||
3689 | cur_cpu = first_cpu; | |
3690 | next_cpu = cur_cpu->next_cpu ?: first_cpu; | |
3691 | for(;;) { | |
3692 | if (vm_running) { | |
3693 | ||
3694 | for(;;) { | |
3695 | /* get next cpu */ | |
3696 | env = next_cpu; | |
3697 | #ifdef CONFIG_PROFILER | |
3698 | ti = profile_getclock(); | |
3699 | #endif | |
3700 | if (use_icount) { | |
3701 | int64_t count; | |
3702 | int decr; | |
3703 | qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); | |
3704 | env->icount_decr.u16.low = 0; | |
3705 | env->icount_extra = 0; | |
3706 | count = qemu_next_deadline(); | |
3707 | count = (count + (1 << icount_time_shift) - 1) | |
3708 | >> icount_time_shift; | |
3709 | qemu_icount += count; | |
3710 | decr = (count > 0xffff) ? 0xffff : count; | |
3711 | count -= decr; | |
3712 | env->icount_decr.u16.low = decr; | |
3713 | env->icount_extra = count; | |
3714 | } | |
3715 | ret = cpu_exec(env); | |
3716 | #ifdef CONFIG_PROFILER | |
3717 | qemu_time += profile_getclock() - ti; | |
3718 | #endif | |
3719 | if (use_icount) { | |
3720 | /* Fold pending instructions back into the | |
3721 | instruction counter, and clear the interrupt flag. */ | |
3722 | qemu_icount -= (env->icount_decr.u16.low | |
3723 | + env->icount_extra); | |
3724 | env->icount_decr.u32 = 0; | |
3725 | env->icount_extra = 0; | |
3726 | } | |
3727 | next_cpu = env->next_cpu ?: first_cpu; | |
3728 | if (event_pending && likely(ret != EXCP_DEBUG)) { | |
3729 | ret = EXCP_INTERRUPT; | |
3730 | event_pending = 0; | |
3731 | break; | |
3732 | } | |
3733 | if (ret == EXCP_HLT) { | |
3734 | /* Give the next CPU a chance to run. */ | |
3735 | cur_cpu = env; | |
3736 | continue; | |
3737 | } | |
3738 | if (ret != EXCP_HALTED) | |
3739 | break; | |
3740 | /* all CPUs are halted ? */ | |
3741 | if (env == cur_cpu) | |
3742 | break; | |
3743 | } | |
3744 | cur_cpu = env; | |
3745 | ||
3746 | if (shutdown_requested) { | |
3747 | ret = EXCP_INTERRUPT; | |
3748 | if (no_shutdown) { | |
3749 | vm_stop(0); | |
3750 | no_shutdown = 0; | |
3751 | } | |
3752 | else | |
3753 | break; | |
3754 | } | |
3755 | if (reset_requested) { | |
3756 | reset_requested = 0; | |
3757 | qemu_system_reset(); | |
3758 | ret = EXCP_INTERRUPT; | |
3759 | } | |
3760 | if (powerdown_requested) { | |
3761 | powerdown_requested = 0; | |
3762 | qemu_system_powerdown(); | |
3763 | ret = EXCP_INTERRUPT; | |
3764 | } | |
3765 | if (unlikely(ret == EXCP_DEBUG)) { | |
3766 | gdb_set_stop_cpu(cur_cpu); | |
3767 | vm_stop(EXCP_DEBUG); | |
3768 | } | |
3769 | /* If all cpus are halted then wait until the next IRQ */ | |
3770 | /* XXX: use timeout computed from timers */ | |
3771 | if (ret == EXCP_HALTED) { | |
3772 | if (use_icount) { | |
3773 | int64_t add; | |
3774 | int64_t delta; | |
3775 | /* Advance virtual time to the next event. */ | |
3776 | if (use_icount == 1) { | |
3777 | /* When not using an adaptive execution frequency | |
3778 | we tend to get badly out of sync with real time, | |
3779 | so just delay for a reasonable amount of time. */ | |
3780 | delta = 0; | |
3781 | } else { | |
3782 | delta = cpu_get_icount() - cpu_get_clock(); | |
3783 | } | |
3784 | if (delta > 0) { | |
3785 | /* If virtual time is ahead of real time then just | |
3786 | wait for IO. */ | |
3787 | timeout = (delta / 1000000) + 1; | |
3788 | } else { | |
3789 | /* Wait for either IO to occur or the next | |
3790 | timer event. */ | |
3791 | add = qemu_next_deadline(); | |
3792 | /* We advance the timer before checking for IO. | |
3793 | Limit the amount we advance so that early IO | |
3794 | activity won't get the guest too far ahead. */ | |
3795 | if (add > 10000000) | |
3796 | add = 10000000; | |
3797 | delta += add; | |
3798 | add = (add + (1 << icount_time_shift) - 1) | |
3799 | >> icount_time_shift; | |
3800 | qemu_icount += add; | |
3801 | timeout = delta / 1000000; | |
3802 | if (timeout < 0) | |
3803 | timeout = 0; | |
3804 | } | |
3805 | } else { | |
3806 | timeout = 5000; | |
3807 | } | |
3808 | } else { | |
3809 | timeout = 0; | |
3810 | } | |
3811 | } else { | |
3812 | if (shutdown_requested) { | |
3813 | ret = EXCP_INTERRUPT; | |
3814 | break; | |
3815 | } | |
3816 | timeout = 5000; | |
3817 | } | |
3818 | #ifdef CONFIG_PROFILER | |
3819 | ti = profile_getclock(); | |
3820 | #endif | |
3821 | main_loop_wait(timeout); | |
3822 | #ifdef CONFIG_PROFILER | |
3823 | dev_time += profile_getclock() - ti; | |
3824 | #endif | |
3825 | } | |
3826 | cpu_disable_ticks(); | |
3827 | return ret; | |
3828 | } | |
3829 | ||
3830 | static void help(int exitcode) | |
3831 | { | |
3832 | printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" | |
3833 | "usage: %s [options] [disk_image]\n" | |
3834 | "\n" | |
3835 | "'disk_image' is a raw hard image image for IDE hard disk 0\n" | |
3836 | "\n" | |
3837 | "Standard options:\n" | |
3838 | "-M machine select emulated machine (-M ? for list)\n" | |
3839 | "-cpu cpu select CPU (-cpu ? for list)\n" | |
3840 | "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" | |
3841 | "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" | |
3842 | "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" | |
3843 | "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" | |
3844 | "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" | |
3845 | " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" | |
3846 | " [,cache=writethrough|writeback|none][,format=f][,serial=s]\n" | |
3847 | " use 'file' as a drive image\n" | |
3848 | "-mtdblock file use 'file' as on-board Flash memory image\n" | |
3849 | "-sd file use 'file' as SecureDigital card image\n" | |
3850 | "-pflash file use 'file' as a parallel flash image\n" | |
3851 | "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" | |
3852 | "-snapshot write to temporary files instead of disk image files\n" | |
3853 | #ifdef CONFIG_SDL | |
3854 | "-no-frame open SDL window without a frame and window decorations\n" | |
3855 | "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" | |
3856 | "-no-quit disable SDL window close capability\n" | |
3857 | #endif | |
3858 | #ifdef TARGET_I386 | |
3859 | "-no-fd-bootchk disable boot signature checking for floppy disks\n" | |
3860 | #endif | |
3861 | "-m megs set virtual RAM size to megs MB [default=%d]\n" | |
3862 | "-smp n set the number of CPUs to 'n' [default=1]\n" | |
3863 | "-nographic disable graphical output and redirect serial I/Os to console\n" | |
3864 | "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" | |
3865 | #ifndef _WIN32 | |
3866 | "-k language use keyboard layout (for example \"fr\" for French)\n" | |
3867 | #endif | |
3868 | #ifdef HAS_AUDIO | |
3869 | "-audio-help print list of audio drivers and their options\n" | |
3870 | "-soundhw c1,... enable audio support\n" | |
3871 | " and only specified sound cards (comma separated list)\n" | |
3872 | " use -soundhw ? to get the list of supported cards\n" | |
3873 | " use -soundhw all to enable all of them\n" | |
3874 | #endif | |
3875 | "-vga [std|cirrus|vmware]\n" | |
3876 | " select video card type\n" | |
3877 | "-localtime set the real time clock to local time [default=utc]\n" | |
3878 | "-full-screen start in full screen\n" | |
3879 | #ifdef TARGET_I386 | |
3880 | "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" | |
3881 | #endif | |
3882 | "-usb enable the USB driver (will be the default soon)\n" | |
3883 | "-usbdevice name add the host or guest USB device 'name'\n" | |
3884 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
3885 | "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" | |
3886 | #endif | |
3887 | "-name string set the name of the guest\n" | |
3888 | "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n" | |
3889 | "\n" | |
3890 | "Network options:\n" | |
3891 | "-net nic[,vlan=n][,macaddr=addr][,model=type][,name=str]\n" | |
3892 | " create a new Network Interface Card and connect it to VLAN 'n'\n" | |
3893 | #ifdef CONFIG_SLIRP | |
3894 | "-net user[,vlan=n][,name=str][,hostname=host]\n" | |
3895 | " connect the user mode network stack to VLAN 'n' and send\n" | |
3896 | " hostname 'host' to DHCP clients\n" | |
3897 | #endif | |
3898 | #ifdef _WIN32 | |
3899 | "-net tap[,vlan=n][,name=str],ifname=name\n" | |
3900 | " connect the host TAP network interface to VLAN 'n'\n" | |
3901 | #else | |
3902 | "-net tap[,vlan=n][,name=str][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n" | |
3903 | " connect the host TAP network interface to VLAN 'n' and use the\n" | |
3904 | " network scripts 'file' (default=%s)\n" | |
3905 | " and 'dfile' (default=%s);\n" | |
3906 | " use '[down]script=no' to disable script execution;\n" | |
3907 | " use 'fd=h' to connect to an already opened TAP interface\n" | |
3908 | #endif | |
3909 | "-net socket[,vlan=n][,name=str][,fd=h][,listen=[host]:port][,connect=host:port]\n" | |
3910 | " connect the vlan 'n' to another VLAN using a socket connection\n" | |
3911 | "-net socket[,vlan=n][,name=str][,fd=h][,mcast=maddr:port]\n" | |
3912 | " connect the vlan 'n' to multicast maddr and port\n" | |
3913 | #ifdef CONFIG_VDE | |
3914 | "-net vde[,vlan=n][,name=str][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n" | |
3915 | " connect the vlan 'n' to port 'n' of a vde switch running\n" | |
3916 | " on host and listening for incoming connections on 'socketpath'.\n" | |
3917 | " Use group 'groupname' and mode 'octalmode' to change default\n" | |
3918 | " ownership and permissions for communication port.\n" | |
3919 | #endif | |
3920 | "-net none use it alone to have zero network devices; if no -net option\n" | |
3921 | " is provided, the default is '-net nic -net user'\n" | |
3922 | "\n" | |
3923 | "-bt hci,null Dumb bluetooth HCI - doesn't respond to commands\n" | |
3924 | "-bt hci,host[:id]\n" | |
3925 | " Use host's HCI with the given name\n" | |
3926 | "-bt hci[,vlan=n]\n" | |
3927 | " Emulate a standard HCI in virtual scatternet 'n'\n" | |
3928 | "-bt vhci[,vlan=n]\n" | |
3929 | " Add host computer to virtual scatternet 'n' using VHCI\n" | |
3930 | "-bt device:dev[,vlan=n]\n" | |
3931 | " Emulate a bluetooth device 'dev' in scatternet 'n'\n" | |
3932 | "\n" | |
3933 | #ifdef CONFIG_SLIRP | |
3934 | "-tftp dir allow tftp access to files in dir [-net user]\n" | |
3935 | "-bootp file advertise file in BOOTP replies\n" | |
3936 | #ifndef _WIN32 | |
3937 | "-smb dir allow SMB access to files in 'dir' [-net user]\n" | |
3938 | #endif | |
3939 | "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" | |
3940 | " redirect TCP or UDP connections from host to guest [-net user]\n" | |
3941 | #endif | |
3942 | "\n" | |
3943 | "Linux boot specific:\n" | |
3944 | "-kernel bzImage use 'bzImage' as kernel image\n" | |
3945 | "-append cmdline use 'cmdline' as kernel command line\n" | |
3946 | "-initrd file use 'file' as initial ram disk\n" | |
3947 | "\n" | |
3948 | "Debug/Expert options:\n" | |
3949 | "-monitor dev redirect the monitor to char device 'dev'\n" | |
3950 | "-serial dev redirect the serial port to char device 'dev'\n" | |
3951 | "-parallel dev redirect the parallel port to char device 'dev'\n" | |
3952 | "-pidfile file Write PID to 'file'\n" | |
3953 | "-S freeze CPU at startup (use 'c' to start execution)\n" | |
3954 | "-s wait gdb connection to port\n" | |
3955 | "-p port set gdb connection port [default=%s]\n" | |
3956 | "-d item1,... output log to %s (use -d ? for a list of log items)\n" | |
3957 | "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" | |
3958 | " translation (t=none or lba) (usually qemu can guess them)\n" | |
3959 | "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" | |
3960 | #ifdef USE_KQEMU | |
3961 | "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" | |
3962 | "-no-kqemu disable KQEMU kernel module usage\n" | |
3963 | #endif | |
3964 | #ifdef CONFIG_KVM | |
3965 | "-enable-kvm enable KVM full virtualization support\n" | |
3966 | #endif | |
3967 | #ifdef TARGET_I386 | |
3968 | "-no-acpi disable ACPI\n" | |
3969 | "-no-hpet disable HPET\n" | |
3970 | #endif | |
3971 | #ifdef CONFIG_CURSES | |
3972 | "-curses use a curses/ncurses interface instead of SDL\n" | |
3973 | #endif | |
3974 | "-no-reboot exit instead of rebooting\n" | |
3975 | "-no-shutdown stop before shutdown\n" | |
3976 | "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n" | |
3977 | "-vnc display start a VNC server on display\n" | |
3978 | #ifndef _WIN32 | |
3979 | "-daemonize daemonize QEMU after initializing\n" | |
3980 | #endif | |
3981 | "-option-rom rom load a file, rom, into the option ROM space\n" | |
3982 | #ifdef TARGET_SPARC | |
3983 | "-prom-env variable=value set OpenBIOS nvram variables\n" | |
3984 | #endif | |
3985 | "-clock force the use of the given methods for timer alarm.\n" | |
3986 | " To see what timers are available use -clock ?\n" | |
3987 | "-startdate select initial date of the clock\n" | |
3988 | "-icount [N|auto]\n" | |
3989 | " Enable virtual instruction counter with 2^N clock ticks per instruction\n" | |
3990 | "\n" | |
3991 | "During emulation, the following keys are useful:\n" | |
3992 | "ctrl-alt-f toggle full screen\n" | |
3993 | "ctrl-alt-n switch to virtual console 'n'\n" | |
3994 | "ctrl-alt toggle mouse and keyboard grab\n" | |
3995 | "\n" | |
3996 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
3997 | , | |
3998 | "qemu", | |
3999 | DEFAULT_RAM_SIZE, | |
4000 | #ifndef _WIN32 | |
4001 | DEFAULT_NETWORK_SCRIPT, | |
4002 | DEFAULT_NETWORK_DOWN_SCRIPT, | |
4003 | #endif | |
4004 | DEFAULT_GDBSTUB_PORT, | |
4005 | "/tmp/qemu.log"); | |
4006 | exit(exitcode); | |
4007 | } | |
4008 | ||
4009 | #define HAS_ARG 0x0001 | |
4010 | ||
4011 | enum { | |
4012 | QEMU_OPTION_h, | |
4013 | ||
4014 | QEMU_OPTION_M, | |
4015 | QEMU_OPTION_cpu, | |
4016 | QEMU_OPTION_fda, | |
4017 | QEMU_OPTION_fdb, | |
4018 | QEMU_OPTION_hda, | |
4019 | QEMU_OPTION_hdb, | |
4020 | QEMU_OPTION_hdc, | |
4021 | QEMU_OPTION_hdd, | |
4022 | QEMU_OPTION_drive, | |
4023 | QEMU_OPTION_cdrom, | |
4024 | QEMU_OPTION_mtdblock, | |
4025 | QEMU_OPTION_sd, | |
4026 | QEMU_OPTION_pflash, | |
4027 | QEMU_OPTION_boot, | |
4028 | QEMU_OPTION_snapshot, | |
4029 | #ifdef TARGET_I386 | |
4030 | QEMU_OPTION_no_fd_bootchk, | |
4031 | #endif | |
4032 | QEMU_OPTION_m, | |
4033 | QEMU_OPTION_nographic, | |
4034 | QEMU_OPTION_portrait, | |
4035 | #ifdef HAS_AUDIO | |
4036 | QEMU_OPTION_audio_help, | |
4037 | QEMU_OPTION_soundhw, | |
4038 | #endif | |
4039 | ||
4040 | QEMU_OPTION_net, | |
4041 | QEMU_OPTION_tftp, | |
4042 | QEMU_OPTION_bootp, | |
4043 | QEMU_OPTION_smb, | |
4044 | QEMU_OPTION_redir, | |
4045 | QEMU_OPTION_bt, | |
4046 | ||
4047 | QEMU_OPTION_kernel, | |
4048 | QEMU_OPTION_append, | |
4049 | QEMU_OPTION_initrd, | |
4050 | ||
4051 | QEMU_OPTION_S, | |
4052 | QEMU_OPTION_s, | |
4053 | QEMU_OPTION_p, | |
4054 | QEMU_OPTION_d, | |
4055 | QEMU_OPTION_hdachs, | |
4056 | QEMU_OPTION_L, | |
4057 | QEMU_OPTION_bios, | |
4058 | QEMU_OPTION_k, | |
4059 | QEMU_OPTION_localtime, | |
4060 | QEMU_OPTION_g, | |
4061 | QEMU_OPTION_vga, | |
4062 | QEMU_OPTION_echr, | |
4063 | QEMU_OPTION_monitor, | |
4064 | QEMU_OPTION_serial, | |
4065 | QEMU_OPTION_virtiocon, | |
4066 | QEMU_OPTION_parallel, | |
4067 | QEMU_OPTION_loadvm, | |
4068 | QEMU_OPTION_full_screen, | |
4069 | QEMU_OPTION_no_frame, | |
4070 | QEMU_OPTION_alt_grab, | |
4071 | QEMU_OPTION_no_quit, | |
4072 | QEMU_OPTION_pidfile, | |
4073 | QEMU_OPTION_no_kqemu, | |
4074 | QEMU_OPTION_kernel_kqemu, | |
4075 | QEMU_OPTION_enable_kvm, | |
4076 | QEMU_OPTION_win2k_hack, | |
4077 | QEMU_OPTION_usb, | |
4078 | QEMU_OPTION_usbdevice, | |
4079 | QEMU_OPTION_smp, | |
4080 | QEMU_OPTION_vnc, | |
4081 | QEMU_OPTION_no_acpi, | |
4082 | QEMU_OPTION_no_hpet, | |
4083 | QEMU_OPTION_curses, | |
4084 | QEMU_OPTION_no_reboot, | |
4085 | QEMU_OPTION_no_shutdown, | |
4086 | QEMU_OPTION_show_cursor, | |
4087 | QEMU_OPTION_daemonize, | |
4088 | QEMU_OPTION_option_rom, | |
4089 | QEMU_OPTION_semihosting, | |
4090 | QEMU_OPTION_name, | |
4091 | QEMU_OPTION_prom_env, | |
4092 | QEMU_OPTION_old_param, | |
4093 | QEMU_OPTION_clock, | |
4094 | QEMU_OPTION_startdate, | |
4095 | QEMU_OPTION_tb_size, | |
4096 | QEMU_OPTION_icount, | |
4097 | QEMU_OPTION_uuid, | |
4098 | QEMU_OPTION_incoming, | |
4099 | }; | |
4100 | ||
4101 | typedef struct QEMUOption { | |
4102 | const char *name; | |
4103 | int flags; | |
4104 | int index; | |
4105 | } QEMUOption; | |
4106 | ||
4107 | static const QEMUOption qemu_options[] = { | |
4108 | { "h", 0, QEMU_OPTION_h }, | |
4109 | { "help", 0, QEMU_OPTION_h }, | |
4110 | ||
4111 | { "M", HAS_ARG, QEMU_OPTION_M }, | |
4112 | { "cpu", HAS_ARG, QEMU_OPTION_cpu }, | |
4113 | { "fda", HAS_ARG, QEMU_OPTION_fda }, | |
4114 | { "fdb", HAS_ARG, QEMU_OPTION_fdb }, | |
4115 | { "hda", HAS_ARG, QEMU_OPTION_hda }, | |
4116 | { "hdb", HAS_ARG, QEMU_OPTION_hdb }, | |
4117 | { "hdc", HAS_ARG, QEMU_OPTION_hdc }, | |
4118 | { "hdd", HAS_ARG, QEMU_OPTION_hdd }, | |
4119 | { "drive", HAS_ARG, QEMU_OPTION_drive }, | |
4120 | { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, | |
4121 | { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, | |
4122 | { "sd", HAS_ARG, QEMU_OPTION_sd }, | |
4123 | { "pflash", HAS_ARG, QEMU_OPTION_pflash }, | |
4124 | { "boot", HAS_ARG, QEMU_OPTION_boot }, | |
4125 | { "snapshot", 0, QEMU_OPTION_snapshot }, | |
4126 | #ifdef TARGET_I386 | |
4127 | { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, | |
4128 | #endif | |
4129 | { "m", HAS_ARG, QEMU_OPTION_m }, | |
4130 | { "nographic", 0, QEMU_OPTION_nographic }, | |
4131 | { "portrait", 0, QEMU_OPTION_portrait }, | |
4132 | { "k", HAS_ARG, QEMU_OPTION_k }, | |
4133 | #ifdef HAS_AUDIO | |
4134 | { "audio-help", 0, QEMU_OPTION_audio_help }, | |
4135 | { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, | |
4136 | #endif | |
4137 | ||
4138 | { "net", HAS_ARG, QEMU_OPTION_net}, | |
4139 | #ifdef CONFIG_SLIRP | |
4140 | { "tftp", HAS_ARG, QEMU_OPTION_tftp }, | |
4141 | { "bootp", HAS_ARG, QEMU_OPTION_bootp }, | |
4142 | #ifndef _WIN32 | |
4143 | { "smb", HAS_ARG, QEMU_OPTION_smb }, | |
4144 | #endif | |
4145 | { "redir", HAS_ARG, QEMU_OPTION_redir }, | |
4146 | #endif | |
4147 | { "bt", HAS_ARG, QEMU_OPTION_bt }, | |
4148 | ||
4149 | { "kernel", HAS_ARG, QEMU_OPTION_kernel }, | |
4150 | { "append", HAS_ARG, QEMU_OPTION_append }, | |
4151 | { "initrd", HAS_ARG, QEMU_OPTION_initrd }, | |
4152 | ||
4153 | { "S", 0, QEMU_OPTION_S }, | |
4154 | { "s", 0, QEMU_OPTION_s }, | |
4155 | { "p", HAS_ARG, QEMU_OPTION_p }, | |
4156 | { "d", HAS_ARG, QEMU_OPTION_d }, | |
4157 | { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, | |
4158 | { "L", HAS_ARG, QEMU_OPTION_L }, | |
4159 | { "bios", HAS_ARG, QEMU_OPTION_bios }, | |
4160 | #ifdef USE_KQEMU | |
4161 | { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, | |
4162 | { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, | |
4163 | #endif | |
4164 | #ifdef CONFIG_KVM | |
4165 | { "enable-kvm", 0, QEMU_OPTION_enable_kvm }, | |
4166 | #endif | |
4167 | #if defined(TARGET_PPC) || defined(TARGET_SPARC) | |
4168 | { "g", 1, QEMU_OPTION_g }, | |
4169 | #endif | |
4170 | { "localtime", 0, QEMU_OPTION_localtime }, | |
4171 | { "vga", HAS_ARG, QEMU_OPTION_vga }, | |
4172 | { "echr", HAS_ARG, QEMU_OPTION_echr }, | |
4173 | { "monitor", HAS_ARG, QEMU_OPTION_monitor }, | |
4174 | { "serial", HAS_ARG, QEMU_OPTION_serial }, | |
4175 | { "virtioconsole", HAS_ARG, QEMU_OPTION_virtiocon }, | |
4176 | { "parallel", HAS_ARG, QEMU_OPTION_parallel }, | |
4177 | { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, | |
4178 | { "full-screen", 0, QEMU_OPTION_full_screen }, | |
4179 | #ifdef CONFIG_SDL | |
4180 | { "no-frame", 0, QEMU_OPTION_no_frame }, | |
4181 | { "alt-grab", 0, QEMU_OPTION_alt_grab }, | |
4182 | { "no-quit", 0, QEMU_OPTION_no_quit }, | |
4183 | #endif | |
4184 | { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, | |
4185 | { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, | |
4186 | { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, | |
4187 | { "smp", HAS_ARG, QEMU_OPTION_smp }, | |
4188 | { "vnc", HAS_ARG, QEMU_OPTION_vnc }, | |
4189 | #ifdef CONFIG_CURSES | |
4190 | { "curses", 0, QEMU_OPTION_curses }, | |
4191 | #endif | |
4192 | { "uuid", HAS_ARG, QEMU_OPTION_uuid }, | |
4193 | ||
4194 | /* temporary options */ | |
4195 | { "usb", 0, QEMU_OPTION_usb }, | |
4196 | { "no-acpi", 0, QEMU_OPTION_no_acpi }, | |
4197 | { "no-hpet", 0, QEMU_OPTION_no_hpet }, | |
4198 | { "no-reboot", 0, QEMU_OPTION_no_reboot }, | |
4199 | { "no-shutdown", 0, QEMU_OPTION_no_shutdown }, | |
4200 | { "show-cursor", 0, QEMU_OPTION_show_cursor }, | |
4201 | { "daemonize", 0, QEMU_OPTION_daemonize }, | |
4202 | { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, | |
4203 | #if defined(TARGET_ARM) || defined(TARGET_M68K) | |
4204 | { "semihosting", 0, QEMU_OPTION_semihosting }, | |
4205 | #endif | |
4206 | { "name", HAS_ARG, QEMU_OPTION_name }, | |
4207 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) | |
4208 | { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, | |
4209 | #endif | |
4210 | #if defined(TARGET_ARM) | |
4211 | { "old-param", 0, QEMU_OPTION_old_param }, | |
4212 | #endif | |
4213 | { "clock", HAS_ARG, QEMU_OPTION_clock }, | |
4214 | { "startdate", HAS_ARG, QEMU_OPTION_startdate }, | |
4215 | { "tb-size", HAS_ARG, QEMU_OPTION_tb_size }, | |
4216 | { "icount", HAS_ARG, QEMU_OPTION_icount }, | |
4217 | { "incoming", HAS_ARG, QEMU_OPTION_incoming }, | |
4218 | { NULL }, | |
4219 | }; | |
4220 | ||
4221 | /* password input */ | |
4222 | ||
4223 | int qemu_key_check(BlockDriverState *bs, const char *name) | |
4224 | { | |
4225 | char password[256]; | |
4226 | int i; | |
4227 | ||
4228 | if (!bdrv_is_encrypted(bs)) | |
4229 | return 0; | |
4230 | ||
4231 | term_printf("%s is encrypted.\n", name); | |
4232 | for(i = 0; i < 3; i++) { | |
4233 | monitor_readline("Password: ", 1, password, sizeof(password)); | |
4234 | if (bdrv_set_key(bs, password) == 0) | |
4235 | return 0; | |
4236 | term_printf("invalid password\n"); | |
4237 | } | |
4238 | return -EPERM; | |
4239 | } | |
4240 | ||
4241 | static BlockDriverState *get_bdrv(int index) | |
4242 | { | |
4243 | if (index > nb_drives) | |
4244 | return NULL; | |
4245 | return drives_table[index].bdrv; | |
4246 | } | |
4247 | ||
4248 | static void read_passwords(void) | |
4249 | { | |
4250 | BlockDriverState *bs; | |
4251 | int i; | |
4252 | ||
4253 | for(i = 0; i < 6; i++) { | |
4254 | bs = get_bdrv(i); | |
4255 | if (bs) | |
4256 | qemu_key_check(bs, bdrv_get_device_name(bs)); | |
4257 | } | |
4258 | } | |
4259 | ||
4260 | #ifdef HAS_AUDIO | |
4261 | struct soundhw soundhw[] = { | |
4262 | #ifdef HAS_AUDIO_CHOICE | |
4263 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
4264 | { | |
4265 | "pcspk", | |
4266 | "PC speaker", | |
4267 | 0, | |
4268 | 1, | |
4269 | { .init_isa = pcspk_audio_init } | |
4270 | }, | |
4271 | #endif | |
4272 | ||
4273 | #ifdef CONFIG_SB16 | |
4274 | { | |
4275 | "sb16", | |
4276 | "Creative Sound Blaster 16", | |
4277 | 0, | |
4278 | 1, | |
4279 | { .init_isa = SB16_init } | |
4280 | }, | |
4281 | #endif | |
4282 | ||
4283 | #ifdef CONFIG_CS4231A | |
4284 | { | |
4285 | "cs4231a", | |
4286 | "CS4231A", | |
4287 | 0, | |
4288 | 1, | |
4289 | { .init_isa = cs4231a_init } | |
4290 | }, | |
4291 | #endif | |
4292 | ||
4293 | #ifdef CONFIG_ADLIB | |
4294 | { | |
4295 | "adlib", | |
4296 | #ifdef HAS_YMF262 | |
4297 | "Yamaha YMF262 (OPL3)", | |
4298 | #else | |
4299 | "Yamaha YM3812 (OPL2)", | |
4300 | #endif | |
4301 | 0, | |
4302 | 1, | |
4303 | { .init_isa = Adlib_init } | |
4304 | }, | |
4305 | #endif | |
4306 | ||
4307 | #ifdef CONFIG_GUS | |
4308 | { | |
4309 | "gus", | |
4310 | "Gravis Ultrasound GF1", | |
4311 | 0, | |
4312 | 1, | |
4313 | { .init_isa = GUS_init } | |
4314 | }, | |
4315 | #endif | |
4316 | ||
4317 | #ifdef CONFIG_AC97 | |
4318 | { | |
4319 | "ac97", | |
4320 | "Intel 82801AA AC97 Audio", | |
4321 | 0, | |
4322 | 0, | |
4323 | { .init_pci = ac97_init } | |
4324 | }, | |
4325 | #endif | |
4326 | ||
4327 | #ifdef CONFIG_ES1370 | |
4328 | { | |
4329 | "es1370", | |
4330 | "ENSONIQ AudioPCI ES1370", | |
4331 | 0, | |
4332 | 0, | |
4333 | { .init_pci = es1370_init } | |
4334 | }, | |
4335 | #endif | |
4336 | ||
4337 | #endif /* HAS_AUDIO_CHOICE */ | |
4338 | ||
4339 | { NULL, NULL, 0, 0, { NULL } } | |
4340 | }; | |
4341 | ||
4342 | static void select_soundhw (const char *optarg) | |
4343 | { | |
4344 | struct soundhw *c; | |
4345 | ||
4346 | if (*optarg == '?') { | |
4347 | show_valid_cards: | |
4348 | ||
4349 | printf ("Valid sound card names (comma separated):\n"); | |
4350 | for (c = soundhw; c->name; ++c) { | |
4351 | printf ("%-11s %s\n", c->name, c->descr); | |
4352 | } | |
4353 | printf ("\n-soundhw all will enable all of the above\n"); | |
4354 | exit (*optarg != '?'); | |
4355 | } | |
4356 | else { | |
4357 | size_t l; | |
4358 | const char *p; | |
4359 | char *e; | |
4360 | int bad_card = 0; | |
4361 | ||
4362 | if (!strcmp (optarg, "all")) { | |
4363 | for (c = soundhw; c->name; ++c) { | |
4364 | c->enabled = 1; | |
4365 | } | |
4366 | return; | |
4367 | } | |
4368 | ||
4369 | p = optarg; | |
4370 | while (*p) { | |
4371 | e = strchr (p, ','); | |
4372 | l = !e ? strlen (p) : (size_t) (e - p); | |
4373 | ||
4374 | for (c = soundhw; c->name; ++c) { | |
4375 | if (!strncmp (c->name, p, l)) { | |
4376 | c->enabled = 1; | |
4377 | break; | |
4378 | } | |
4379 | } | |
4380 | ||
4381 | if (!c->name) { | |
4382 | if (l > 80) { | |
4383 | fprintf (stderr, | |
4384 | "Unknown sound card name (too big to show)\n"); | |
4385 | } | |
4386 | else { | |
4387 | fprintf (stderr, "Unknown sound card name `%.*s'\n", | |
4388 | (int) l, p); | |
4389 | } | |
4390 | bad_card = 1; | |
4391 | } | |
4392 | p += l + (e != NULL); | |
4393 | } | |
4394 | ||
4395 | if (bad_card) | |
4396 | goto show_valid_cards; | |
4397 | } | |
4398 | } | |
4399 | #endif | |
4400 | ||
4401 | static void select_vgahw (const char *p) | |
4402 | { | |
4403 | const char *opts; | |
4404 | ||
4405 | if (strstart(p, "std", &opts)) { | |
4406 | cirrus_vga_enabled = 0; | |
4407 | vmsvga_enabled = 0; | |
4408 | } else if (strstart(p, "cirrus", &opts)) { | |
4409 | cirrus_vga_enabled = 1; | |
4410 | vmsvga_enabled = 0; | |
4411 | } else if (strstart(p, "vmware", &opts)) { | |
4412 | cirrus_vga_enabled = 0; | |
4413 | vmsvga_enabled = 1; | |
4414 | } else { | |
4415 | invalid_vga: | |
4416 | fprintf(stderr, "Unknown vga type: %s\n", p); | |
4417 | exit(1); | |
4418 | } | |
4419 | while (*opts) { | |
4420 | const char *nextopt; | |
4421 | ||
4422 | if (strstart(opts, ",retrace=", &nextopt)) { | |
4423 | opts = nextopt; | |
4424 | if (strstart(opts, "dumb", &nextopt)) | |
4425 | vga_retrace_method = VGA_RETRACE_DUMB; | |
4426 | else if (strstart(opts, "precise", &nextopt)) | |
4427 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
4428 | else goto invalid_vga; | |
4429 | } else goto invalid_vga; | |
4430 | opts = nextopt; | |
4431 | } | |
4432 | } | |
4433 | ||
4434 | #ifdef _WIN32 | |
4435 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
4436 | { | |
4437 | exit(STATUS_CONTROL_C_EXIT); | |
4438 | return TRUE; | |
4439 | } | |
4440 | #endif | |
4441 | ||
4442 | static int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
4443 | { | |
4444 | int ret; | |
4445 | ||
4446 | if(strlen(str) != 36) | |
4447 | return -1; | |
4448 | ||
4449 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
4450 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
4451 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]); | |
4452 | ||
4453 | if(ret != 16) | |
4454 | return -1; | |
4455 | ||
4456 | return 0; | |
4457 | } | |
4458 | ||
4459 | #define MAX_NET_CLIENTS 32 | |
4460 | ||
4461 | #ifndef _WIN32 | |
4462 | ||
4463 | static void termsig_handler(int signal) | |
4464 | { | |
4465 | qemu_system_shutdown_request(); | |
4466 | } | |
4467 | ||
4468 | static void termsig_setup(void) | |
4469 | { | |
4470 | struct sigaction act; | |
4471 | ||
4472 | memset(&act, 0, sizeof(act)); | |
4473 | act.sa_handler = termsig_handler; | |
4474 | sigaction(SIGINT, &act, NULL); | |
4475 | sigaction(SIGHUP, &act, NULL); | |
4476 | sigaction(SIGTERM, &act, NULL); | |
4477 | } | |
4478 | ||
4479 | #endif | |
4480 | ||
4481 | int main(int argc, char **argv, char **envp) | |
4482 | { | |
4483 | #ifdef CONFIG_GDBSTUB | |
4484 | int use_gdbstub; | |
4485 | const char *gdbstub_port; | |
4486 | #endif | |
4487 | uint32_t boot_devices_bitmap = 0; | |
4488 | int i; | |
4489 | int snapshot, linux_boot, net_boot; | |
4490 | const char *initrd_filename; | |
4491 | const char *kernel_filename, *kernel_cmdline; | |
4492 | const char *boot_devices = ""; | |
4493 | DisplayState *ds = &display_state; | |
4494 | int cyls, heads, secs, translation; | |
4495 | const char *net_clients[MAX_NET_CLIENTS]; | |
4496 | int nb_net_clients; | |
4497 | const char *bt_opts[MAX_BT_CMDLINE]; | |
4498 | int nb_bt_opts; | |
4499 | int hda_index; | |
4500 | int optind; | |
4501 | const char *r, *optarg; | |
4502 | CharDriverState *monitor_hd; | |
4503 | const char *monitor_device; | |
4504 | const char *serial_devices[MAX_SERIAL_PORTS]; | |
4505 | int serial_device_index; | |
4506 | const char *parallel_devices[MAX_PARALLEL_PORTS]; | |
4507 | int parallel_device_index; | |
4508 | const char *virtio_consoles[MAX_VIRTIO_CONSOLES]; | |
4509 | int virtio_console_index; | |
4510 | const char *loadvm = NULL; | |
4511 | QEMUMachine *machine; | |
4512 | const char *cpu_model; | |
4513 | const char *usb_devices[MAX_USB_CMDLINE]; | |
4514 | int usb_devices_index; | |
4515 | int fds[2]; | |
4516 | int tb_size; | |
4517 | const char *pid_file = NULL; | |
4518 | int autostart; | |
4519 | const char *incoming = NULL; | |
4520 | ||
4521 | qemu_cache_utils_init(envp); | |
4522 | ||
4523 | LIST_INIT (&vm_change_state_head); | |
4524 | #ifndef _WIN32 | |
4525 | { | |
4526 | struct sigaction act; | |
4527 | sigfillset(&act.sa_mask); | |
4528 | act.sa_flags = 0; | |
4529 | act.sa_handler = SIG_IGN; | |
4530 | sigaction(SIGPIPE, &act, NULL); | |
4531 | } | |
4532 | #else | |
4533 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
4534 | /* Note: cpu_interrupt() is currently not SMP safe, so we force | |
4535 | QEMU to run on a single CPU */ | |
4536 | { | |
4537 | HANDLE h; | |
4538 | DWORD mask, smask; | |
4539 | int i; | |
4540 | h = GetCurrentProcess(); | |
4541 | if (GetProcessAffinityMask(h, &mask, &smask)) { | |
4542 | for(i = 0; i < 32; i++) { | |
4543 | if (mask & (1 << i)) | |
4544 | break; | |
4545 | } | |
4546 | if (i != 32) { | |
4547 | mask = 1 << i; | |
4548 | SetProcessAffinityMask(h, mask); | |
4549 | } | |
4550 | } | |
4551 | } | |
4552 | #endif | |
4553 | ||
4554 | register_machines(); | |
4555 | machine = first_machine; | |
4556 | cpu_model = NULL; | |
4557 | initrd_filename = NULL; | |
4558 | ram_size = 0; | |
4559 | vga_ram_size = VGA_RAM_SIZE; | |
4560 | #ifdef CONFIG_GDBSTUB | |
4561 | use_gdbstub = 0; | |
4562 | gdbstub_port = DEFAULT_GDBSTUB_PORT; | |
4563 | #endif | |
4564 | snapshot = 0; | |
4565 | nographic = 0; | |
4566 | curses = 0; | |
4567 | kernel_filename = NULL; | |
4568 | kernel_cmdline = ""; | |
4569 | cyls = heads = secs = 0; | |
4570 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4571 | monitor_device = "vc"; | |
4572 | ||
4573 | serial_devices[0] = "vc:80Cx24C"; | |
4574 | for(i = 1; i < MAX_SERIAL_PORTS; i++) | |
4575 | serial_devices[i] = NULL; | |
4576 | serial_device_index = 0; | |
4577 | ||
4578 | parallel_devices[0] = "vc:640x480"; | |
4579 | for(i = 1; i < MAX_PARALLEL_PORTS; i++) | |
4580 | parallel_devices[i] = NULL; | |
4581 | parallel_device_index = 0; | |
4582 | ||
4583 | virtio_consoles[0] = "vc:80Cx24C"; | |
4584 | for(i = 1; i < MAX_VIRTIO_CONSOLES; i++) | |
4585 | virtio_consoles[i] = NULL; | |
4586 | virtio_console_index = 0; | |
4587 | ||
4588 | usb_devices_index = 0; | |
4589 | ||
4590 | nb_net_clients = 0; | |
4591 | nb_bt_opts = 0; | |
4592 | nb_drives = 0; | |
4593 | nb_drives_opt = 0; | |
4594 | hda_index = -1; | |
4595 | ||
4596 | nb_nics = 0; | |
4597 | ||
4598 | tb_size = 0; | |
4599 | autostart= 1; | |
4600 | ||
4601 | optind = 1; | |
4602 | for(;;) { | |
4603 | if (optind >= argc) | |
4604 | break; | |
4605 | r = argv[optind]; | |
4606 | if (r[0] != '-') { | |
4607 | hda_index = drive_add(argv[optind++], HD_ALIAS, 0); | |
4608 | } else { | |
4609 | const QEMUOption *popt; | |
4610 | ||
4611 | optind++; | |
4612 | /* Treat --foo the same as -foo. */ | |
4613 | if (r[1] == '-') | |
4614 | r++; | |
4615 | popt = qemu_options; | |
4616 | for(;;) { | |
4617 | if (!popt->name) { | |
4618 | fprintf(stderr, "%s: invalid option -- '%s'\n", | |
4619 | argv[0], r); | |
4620 | exit(1); | |
4621 | } | |
4622 | if (!strcmp(popt->name, r + 1)) | |
4623 | break; | |
4624 | popt++; | |
4625 | } | |
4626 | if (popt->flags & HAS_ARG) { | |
4627 | if (optind >= argc) { | |
4628 | fprintf(stderr, "%s: option '%s' requires an argument\n", | |
4629 | argv[0], r); | |
4630 | exit(1); | |
4631 | } | |
4632 | optarg = argv[optind++]; | |
4633 | } else { | |
4634 | optarg = NULL; | |
4635 | } | |
4636 | ||
4637 | switch(popt->index) { | |
4638 | case QEMU_OPTION_M: | |
4639 | machine = find_machine(optarg); | |
4640 | if (!machine) { | |
4641 | QEMUMachine *m; | |
4642 | printf("Supported machines are:\n"); | |
4643 | for(m = first_machine; m != NULL; m = m->next) { | |
4644 | printf("%-10s %s%s\n", | |
4645 | m->name, m->desc, | |
4646 | m == first_machine ? " (default)" : ""); | |
4647 | } | |
4648 | exit(*optarg != '?'); | |
4649 | } | |
4650 | break; | |
4651 | case QEMU_OPTION_cpu: | |
4652 | /* hw initialization will check this */ | |
4653 | if (*optarg == '?') { | |
4654 | /* XXX: implement xxx_cpu_list for targets that still miss it */ | |
4655 | #if defined(cpu_list) | |
4656 | cpu_list(stdout, &fprintf); | |
4657 | #endif | |
4658 | exit(0); | |
4659 | } else { | |
4660 | cpu_model = optarg; | |
4661 | } | |
4662 | break; | |
4663 | case QEMU_OPTION_initrd: | |
4664 | initrd_filename = optarg; | |
4665 | break; | |
4666 | case QEMU_OPTION_hda: | |
4667 | if (cyls == 0) | |
4668 | hda_index = drive_add(optarg, HD_ALIAS, 0); | |
4669 | else | |
4670 | hda_index = drive_add(optarg, HD_ALIAS | |
4671 | ",cyls=%d,heads=%d,secs=%d%s", | |
4672 | 0, cyls, heads, secs, | |
4673 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
4674 | ",trans=lba" : | |
4675 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4676 | ",trans=none" : ""); | |
4677 | break; | |
4678 | case QEMU_OPTION_hdb: | |
4679 | case QEMU_OPTION_hdc: | |
4680 | case QEMU_OPTION_hdd: | |
4681 | drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); | |
4682 | break; | |
4683 | case QEMU_OPTION_drive: | |
4684 | drive_add(NULL, "%s", optarg); | |
4685 | break; | |
4686 | case QEMU_OPTION_mtdblock: | |
4687 | drive_add(optarg, MTD_ALIAS); | |
4688 | break; | |
4689 | case QEMU_OPTION_sd: | |
4690 | drive_add(optarg, SD_ALIAS); | |
4691 | break; | |
4692 | case QEMU_OPTION_pflash: | |
4693 | drive_add(optarg, PFLASH_ALIAS); | |
4694 | break; | |
4695 | case QEMU_OPTION_snapshot: | |
4696 | snapshot = 1; | |
4697 | break; | |
4698 | case QEMU_OPTION_hdachs: | |
4699 | { | |
4700 | const char *p; | |
4701 | p = optarg; | |
4702 | cyls = strtol(p, (char **)&p, 0); | |
4703 | if (cyls < 1 || cyls > 16383) | |
4704 | goto chs_fail; | |
4705 | if (*p != ',') | |
4706 | goto chs_fail; | |
4707 | p++; | |
4708 | heads = strtol(p, (char **)&p, 0); | |
4709 | if (heads < 1 || heads > 16) | |
4710 | goto chs_fail; | |
4711 | if (*p != ',') | |
4712 | goto chs_fail; | |
4713 | p++; | |
4714 | secs = strtol(p, (char **)&p, 0); | |
4715 | if (secs < 1 || secs > 63) | |
4716 | goto chs_fail; | |
4717 | if (*p == ',') { | |
4718 | p++; | |
4719 | if (!strcmp(p, "none")) | |
4720 | translation = BIOS_ATA_TRANSLATION_NONE; | |
4721 | else if (!strcmp(p, "lba")) | |
4722 | translation = BIOS_ATA_TRANSLATION_LBA; | |
4723 | else if (!strcmp(p, "auto")) | |
4724 | translation = BIOS_ATA_TRANSLATION_AUTO; | |
4725 | else | |
4726 | goto chs_fail; | |
4727 | } else if (*p != '\0') { | |
4728 | chs_fail: | |
4729 | fprintf(stderr, "qemu: invalid physical CHS format\n"); | |
4730 | exit(1); | |
4731 | } | |
4732 | if (hda_index != -1) | |
4733 | snprintf(drives_opt[hda_index].opt, | |
4734 | sizeof(drives_opt[hda_index].opt), | |
4735 | HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", | |
4736 | 0, cyls, heads, secs, | |
4737 | translation == BIOS_ATA_TRANSLATION_LBA ? | |
4738 | ",trans=lba" : | |
4739 | translation == BIOS_ATA_TRANSLATION_NONE ? | |
4740 | ",trans=none" : ""); | |
4741 | } | |
4742 | break; | |
4743 | case QEMU_OPTION_nographic: | |
4744 | nographic = 1; | |
4745 | break; | |
4746 | #ifdef CONFIG_CURSES | |
4747 | case QEMU_OPTION_curses: | |
4748 | curses = 1; | |
4749 | break; | |
4750 | #endif | |
4751 | case QEMU_OPTION_portrait: | |
4752 | graphic_rotate = 1; | |
4753 | break; | |
4754 | case QEMU_OPTION_kernel: | |
4755 | kernel_filename = optarg; | |
4756 | break; | |
4757 | case QEMU_OPTION_append: | |
4758 | kernel_cmdline = optarg; | |
4759 | break; | |
4760 | case QEMU_OPTION_cdrom: | |
4761 | drive_add(optarg, CDROM_ALIAS); | |
4762 | break; | |
4763 | case QEMU_OPTION_boot: | |
4764 | boot_devices = optarg; | |
4765 | /* We just do some generic consistency checks */ | |
4766 | { | |
4767 | /* Could easily be extended to 64 devices if needed */ | |
4768 | const char *p; | |
4769 | ||
4770 | boot_devices_bitmap = 0; | |
4771 | for (p = boot_devices; *p != '\0'; p++) { | |
4772 | /* Allowed boot devices are: | |
4773 | * a b : floppy disk drives | |
4774 | * c ... f : IDE disk drives | |
4775 | * g ... m : machine implementation dependant drives | |
4776 | * n ... p : network devices | |
4777 | * It's up to each machine implementation to check | |
4778 | * if the given boot devices match the actual hardware | |
4779 | * implementation and firmware features. | |
4780 | */ | |
4781 | if (*p < 'a' || *p > 'q') { | |
4782 | fprintf(stderr, "Invalid boot device '%c'\n", *p); | |
4783 | exit(1); | |
4784 | } | |
4785 | if (boot_devices_bitmap & (1 << (*p - 'a'))) { | |
4786 | fprintf(stderr, | |
4787 | "Boot device '%c' was given twice\n",*p); | |
4788 | exit(1); | |
4789 | } | |
4790 | boot_devices_bitmap |= 1 << (*p - 'a'); | |
4791 | } | |
4792 | } | |
4793 | break; | |
4794 | case QEMU_OPTION_fda: | |
4795 | case QEMU_OPTION_fdb: | |
4796 | drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); | |
4797 | break; | |
4798 | #ifdef TARGET_I386 | |
4799 | case QEMU_OPTION_no_fd_bootchk: | |
4800 | fd_bootchk = 0; | |
4801 | break; | |
4802 | #endif | |
4803 | case QEMU_OPTION_net: | |
4804 | if (nb_net_clients >= MAX_NET_CLIENTS) { | |
4805 | fprintf(stderr, "qemu: too many network clients\n"); | |
4806 | exit(1); | |
4807 | } | |
4808 | net_clients[nb_net_clients] = optarg; | |
4809 | nb_net_clients++; | |
4810 | break; | |
4811 | #ifdef CONFIG_SLIRP | |
4812 | case QEMU_OPTION_tftp: | |
4813 | tftp_prefix = optarg; | |
4814 | break; | |
4815 | case QEMU_OPTION_bootp: | |
4816 | bootp_filename = optarg; | |
4817 | break; | |
4818 | #ifndef _WIN32 | |
4819 | case QEMU_OPTION_smb: | |
4820 | net_slirp_smb(optarg); | |
4821 | break; | |
4822 | #endif | |
4823 | case QEMU_OPTION_redir: | |
4824 | net_slirp_redir(optarg); | |
4825 | break; | |
4826 | #endif | |
4827 | case QEMU_OPTION_bt: | |
4828 | if (nb_bt_opts >= MAX_BT_CMDLINE) { | |
4829 | fprintf(stderr, "qemu: too many bluetooth options\n"); | |
4830 | exit(1); | |
4831 | } | |
4832 | bt_opts[nb_bt_opts++] = optarg; | |
4833 | break; | |
4834 | #ifdef HAS_AUDIO | |
4835 | case QEMU_OPTION_audio_help: | |
4836 | AUD_help (); | |
4837 | exit (0); | |
4838 | break; | |
4839 | case QEMU_OPTION_soundhw: | |
4840 | select_soundhw (optarg); | |
4841 | break; | |
4842 | #endif | |
4843 | case QEMU_OPTION_h: | |
4844 | help(0); | |
4845 | break; | |
4846 | case QEMU_OPTION_m: { | |
4847 | uint64_t value; | |
4848 | char *ptr; | |
4849 | ||
4850 | value = strtoul(optarg, &ptr, 10); | |
4851 | switch (*ptr) { | |
4852 | case 0: case 'M': case 'm': | |
4853 | value <<= 20; | |
4854 | break; | |
4855 | case 'G': case 'g': | |
4856 | value <<= 30; | |
4857 | break; | |
4858 | default: | |
4859 | fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); | |
4860 | exit(1); | |
4861 | } | |
4862 | ||
4863 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4864 | if (value > (2047 << 20) | |
4865 | #ifndef USE_KQEMU | |
4866 | && HOST_LONG_BITS == 32 | |
4867 | #endif | |
4868 | ) { | |
4869 | fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); | |
4870 | exit(1); | |
4871 | } | |
4872 | if (value != (uint64_t)(ram_addr_t)value) { | |
4873 | fprintf(stderr, "qemu: ram size too large\n"); | |
4874 | exit(1); | |
4875 | } | |
4876 | ram_size = value; | |
4877 | break; | |
4878 | } | |
4879 | case QEMU_OPTION_d: | |
4880 | { | |
4881 | int mask; | |
4882 | const CPULogItem *item; | |
4883 | ||
4884 | mask = cpu_str_to_log_mask(optarg); | |
4885 | if (!mask) { | |
4886 | printf("Log items (comma separated):\n"); | |
4887 | for(item = cpu_log_items; item->mask != 0; item++) { | |
4888 | printf("%-10s %s\n", item->name, item->help); | |
4889 | } | |
4890 | exit(1); | |
4891 | } | |
4892 | cpu_set_log(mask); | |
4893 | } | |
4894 | break; | |
4895 | #ifdef CONFIG_GDBSTUB | |
4896 | case QEMU_OPTION_s: | |
4897 | use_gdbstub = 1; | |
4898 | break; | |
4899 | case QEMU_OPTION_p: | |
4900 | gdbstub_port = optarg; | |
4901 | break; | |
4902 | #endif | |
4903 | case QEMU_OPTION_L: | |
4904 | bios_dir = optarg; | |
4905 | break; | |
4906 | case QEMU_OPTION_bios: | |
4907 | bios_name = optarg; | |
4908 | break; | |
4909 | case QEMU_OPTION_S: | |
4910 | autostart = 0; | |
4911 | break; | |
4912 | case QEMU_OPTION_k: | |
4913 | keyboard_layout = optarg; | |
4914 | break; | |
4915 | case QEMU_OPTION_localtime: | |
4916 | rtc_utc = 0; | |
4917 | break; | |
4918 | case QEMU_OPTION_vga: | |
4919 | select_vgahw (optarg); | |
4920 | break; | |
4921 | case QEMU_OPTION_g: | |
4922 | { | |
4923 | const char *p; | |
4924 | int w, h, depth; | |
4925 | p = optarg; | |
4926 | w = strtol(p, (char **)&p, 10); | |
4927 | if (w <= 0) { | |
4928 | graphic_error: | |
4929 | fprintf(stderr, "qemu: invalid resolution or depth\n"); | |
4930 | exit(1); | |
4931 | } | |
4932 | if (*p != 'x') | |
4933 | goto graphic_error; | |
4934 | p++; | |
4935 | h = strtol(p, (char **)&p, 10); | |
4936 | if (h <= 0) | |
4937 | goto graphic_error; | |
4938 | if (*p == 'x') { | |
4939 | p++; | |
4940 | depth = strtol(p, (char **)&p, 10); | |
4941 | if (depth != 8 && depth != 15 && depth != 16 && | |
4942 | depth != 24 && depth != 32) | |
4943 | goto graphic_error; | |
4944 | } else if (*p == '\0') { | |
4945 | depth = graphic_depth; | |
4946 | } else { | |
4947 | goto graphic_error; | |
4948 | } | |
4949 | ||
4950 | graphic_width = w; | |
4951 | graphic_height = h; | |
4952 | graphic_depth = depth; | |
4953 | } | |
4954 | break; | |
4955 | case QEMU_OPTION_echr: | |
4956 | { | |
4957 | char *r; | |
4958 | term_escape_char = strtol(optarg, &r, 0); | |
4959 | if (r == optarg) | |
4960 | printf("Bad argument to echr\n"); | |
4961 | break; | |
4962 | } | |
4963 | case QEMU_OPTION_monitor: | |
4964 | monitor_device = optarg; | |
4965 | break; | |
4966 | case QEMU_OPTION_serial: | |
4967 | if (serial_device_index >= MAX_SERIAL_PORTS) { | |
4968 | fprintf(stderr, "qemu: too many serial ports\n"); | |
4969 | exit(1); | |
4970 | } | |
4971 | serial_devices[serial_device_index] = optarg; | |
4972 | serial_device_index++; | |
4973 | break; | |
4974 | case QEMU_OPTION_virtiocon: | |
4975 | if (virtio_console_index >= MAX_VIRTIO_CONSOLES) { | |
4976 | fprintf(stderr, "qemu: too many virtio consoles\n"); | |
4977 | exit(1); | |
4978 | } | |
4979 | virtio_consoles[virtio_console_index] = optarg; | |
4980 | virtio_console_index++; | |
4981 | break; | |
4982 | case QEMU_OPTION_parallel: | |
4983 | if (parallel_device_index >= MAX_PARALLEL_PORTS) { | |
4984 | fprintf(stderr, "qemu: too many parallel ports\n"); | |
4985 | exit(1); | |
4986 | } | |
4987 | parallel_devices[parallel_device_index] = optarg; | |
4988 | parallel_device_index++; | |
4989 | break; | |
4990 | case QEMU_OPTION_loadvm: | |
4991 | loadvm = optarg; | |
4992 | break; | |
4993 | case QEMU_OPTION_full_screen: | |
4994 | full_screen = 1; | |
4995 | break; | |
4996 | #ifdef CONFIG_SDL | |
4997 | case QEMU_OPTION_no_frame: | |
4998 | no_frame = 1; | |
4999 | break; | |
5000 | case QEMU_OPTION_alt_grab: | |
5001 | alt_grab = 1; | |
5002 | break; | |
5003 | case QEMU_OPTION_no_quit: | |
5004 | no_quit = 1; | |
5005 | break; | |
5006 | #endif | |
5007 | case QEMU_OPTION_pidfile: | |
5008 | pid_file = optarg; | |
5009 | break; | |
5010 | #ifdef TARGET_I386 | |
5011 | case QEMU_OPTION_win2k_hack: | |
5012 | win2k_install_hack = 1; | |
5013 | break; | |
5014 | #endif | |
5015 | #ifdef USE_KQEMU | |
5016 | case QEMU_OPTION_no_kqemu: | |
5017 | kqemu_allowed = 0; | |
5018 | break; | |
5019 | case QEMU_OPTION_kernel_kqemu: | |
5020 | kqemu_allowed = 2; | |
5021 | break; | |
5022 | #endif | |
5023 | #ifdef CONFIG_KVM | |
5024 | case QEMU_OPTION_enable_kvm: | |
5025 | kvm_allowed = 1; | |
5026 | #ifdef USE_KQEMU | |
5027 | kqemu_allowed = 0; | |
5028 | #endif | |
5029 | break; | |
5030 | #endif | |
5031 | case QEMU_OPTION_usb: | |
5032 | usb_enabled = 1; | |
5033 | break; | |
5034 | case QEMU_OPTION_usbdevice: | |
5035 | usb_enabled = 1; | |
5036 | if (usb_devices_index >= MAX_USB_CMDLINE) { | |
5037 | fprintf(stderr, "Too many USB devices\n"); | |
5038 | exit(1); | |
5039 | } | |
5040 | usb_devices[usb_devices_index] = optarg; | |
5041 | usb_devices_index++; | |
5042 | break; | |
5043 | case QEMU_OPTION_smp: | |
5044 | smp_cpus = atoi(optarg); | |
5045 | if (smp_cpus < 1) { | |
5046 | fprintf(stderr, "Invalid number of CPUs\n"); | |
5047 | exit(1); | |
5048 | } | |
5049 | break; | |
5050 | case QEMU_OPTION_vnc: | |
5051 | vnc_display = optarg; | |
5052 | break; | |
5053 | case QEMU_OPTION_no_acpi: | |
5054 | acpi_enabled = 0; | |
5055 | break; | |
5056 | case QEMU_OPTION_no_hpet: | |
5057 | no_hpet = 1; | |
5058 | break; | |
5059 | case QEMU_OPTION_no_reboot: | |
5060 | no_reboot = 1; | |
5061 | break; | |
5062 | case QEMU_OPTION_no_shutdown: | |
5063 | no_shutdown = 1; | |
5064 | break; | |
5065 | case QEMU_OPTION_show_cursor: | |
5066 | cursor_hide = 0; | |
5067 | break; | |
5068 | case QEMU_OPTION_uuid: | |
5069 | if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { | |
5070 | fprintf(stderr, "Fail to parse UUID string." | |
5071 | " Wrong format.\n"); | |
5072 | exit(1); | |
5073 | } | |
5074 | break; | |
5075 | case QEMU_OPTION_daemonize: | |
5076 | daemonize = 1; | |
5077 | break; | |
5078 | case QEMU_OPTION_option_rom: | |
5079 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5080 | fprintf(stderr, "Too many option ROMs\n"); | |
5081 | exit(1); | |
5082 | } | |
5083 | option_rom[nb_option_roms] = optarg; | |
5084 | nb_option_roms++; | |
5085 | break; | |
5086 | case QEMU_OPTION_semihosting: | |
5087 | semihosting_enabled = 1; | |
5088 | break; | |
5089 | case QEMU_OPTION_name: | |
5090 | qemu_name = optarg; | |
5091 | break; | |
5092 | #if defined(TARGET_SPARC) || defined(TARGET_PPC) | |
5093 | case QEMU_OPTION_prom_env: | |
5094 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
5095 | fprintf(stderr, "Too many prom variables\n"); | |
5096 | exit(1); | |
5097 | } | |
5098 | prom_envs[nb_prom_envs] = optarg; | |
5099 | nb_prom_envs++; | |
5100 | break; | |
5101 | #endif | |
5102 | #ifdef TARGET_ARM | |
5103 | case QEMU_OPTION_old_param: | |
5104 | old_param = 1; | |
5105 | break; | |
5106 | #endif | |
5107 | case QEMU_OPTION_clock: | |
5108 | configure_alarms(optarg); | |
5109 | break; | |
5110 | case QEMU_OPTION_startdate: | |
5111 | { | |
5112 | struct tm tm; | |
5113 | time_t rtc_start_date; | |
5114 | if (!strcmp(optarg, "now")) { | |
5115 | rtc_date_offset = -1; | |
5116 | } else { | |
5117 | if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", | |
5118 | &tm.tm_year, | |
5119 | &tm.tm_mon, | |
5120 | &tm.tm_mday, | |
5121 | &tm.tm_hour, | |
5122 | &tm.tm_min, | |
5123 | &tm.tm_sec) == 6) { | |
5124 | /* OK */ | |
5125 | } else if (sscanf(optarg, "%d-%d-%d", | |
5126 | &tm.tm_year, | |
5127 | &tm.tm_mon, | |
5128 | &tm.tm_mday) == 3) { | |
5129 | tm.tm_hour = 0; | |
5130 | tm.tm_min = 0; | |
5131 | tm.tm_sec = 0; | |
5132 | } else { | |
5133 | goto date_fail; | |
5134 | } | |
5135 | tm.tm_year -= 1900; | |
5136 | tm.tm_mon--; | |
5137 | rtc_start_date = mktimegm(&tm); | |
5138 | if (rtc_start_date == -1) { | |
5139 | date_fail: | |
5140 | fprintf(stderr, "Invalid date format. Valid format are:\n" | |
5141 | "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); | |
5142 | exit(1); | |
5143 | } | |
5144 | rtc_date_offset = time(NULL) - rtc_start_date; | |
5145 | } | |
5146 | } | |
5147 | break; | |
5148 | case QEMU_OPTION_tb_size: | |
5149 | tb_size = strtol(optarg, NULL, 0); | |
5150 | if (tb_size < 0) | |
5151 | tb_size = 0; | |
5152 | break; | |
5153 | case QEMU_OPTION_icount: | |
5154 | use_icount = 1; | |
5155 | if (strcmp(optarg, "auto") == 0) { | |
5156 | icount_time_shift = -1; | |
5157 | } else { | |
5158 | icount_time_shift = strtol(optarg, NULL, 0); | |
5159 | } | |
5160 | break; | |
5161 | case QEMU_OPTION_incoming: | |
5162 | incoming = optarg; | |
5163 | break; | |
5164 | } | |
5165 | } | |
5166 | } | |
5167 | ||
5168 | #if defined(CONFIG_KVM) && defined(USE_KQEMU) | |
5169 | if (kvm_allowed && kqemu_allowed) { | |
5170 | fprintf(stderr, | |
5171 | "You can not enable both KVM and kqemu at the same time\n"); | |
5172 | exit(1); | |
5173 | } | |
5174 | #endif | |
5175 | ||
5176 | machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */ | |
5177 | if (smp_cpus > machine->max_cpus) { | |
5178 | fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus " | |
5179 | "supported by machine `%s' (%d)\n", smp_cpus, machine->name, | |
5180 | machine->max_cpus); | |
5181 | exit(1); | |
5182 | } | |
5183 | ||
5184 | if (nographic) { | |
5185 | if (serial_device_index == 0) | |
5186 | serial_devices[0] = "stdio"; | |
5187 | if (parallel_device_index == 0) | |
5188 | parallel_devices[0] = "null"; | |
5189 | if (strncmp(monitor_device, "vc", 2) == 0) | |
5190 | monitor_device = "stdio"; | |
5191 | if (virtio_console_index == 0) | |
5192 | virtio_consoles[0] = "null"; | |
5193 | } | |
5194 | ||
5195 | #ifndef _WIN32 | |
5196 | if (daemonize) { | |
5197 | pid_t pid; | |
5198 | ||
5199 | if (pipe(fds) == -1) | |
5200 | exit(1); | |
5201 | ||
5202 | pid = fork(); | |
5203 | if (pid > 0) { | |
5204 | uint8_t status; | |
5205 | ssize_t len; | |
5206 | ||
5207 | close(fds[1]); | |
5208 | ||
5209 | again: | |
5210 | len = read(fds[0], &status, 1); | |
5211 | if (len == -1 && (errno == EINTR)) | |
5212 | goto again; | |
5213 | ||
5214 | if (len != 1) | |
5215 | exit(1); | |
5216 | else if (status == 1) { | |
5217 | fprintf(stderr, "Could not acquire pidfile\n"); | |
5218 | exit(1); | |
5219 | } else | |
5220 | exit(0); | |
5221 | } else if (pid < 0) | |
5222 | exit(1); | |
5223 | ||
5224 | setsid(); | |
5225 | ||
5226 | pid = fork(); | |
5227 | if (pid > 0) | |
5228 | exit(0); | |
5229 | else if (pid < 0) | |
5230 | exit(1); | |
5231 | ||
5232 | umask(027); | |
5233 | ||
5234 | signal(SIGTSTP, SIG_IGN); | |
5235 | signal(SIGTTOU, SIG_IGN); | |
5236 | signal(SIGTTIN, SIG_IGN); | |
5237 | } | |
5238 | #endif | |
5239 | ||
5240 | if (pid_file && qemu_create_pidfile(pid_file) != 0) { | |
5241 | if (daemonize) { | |
5242 | uint8_t status = 1; | |
5243 | write(fds[1], &status, 1); | |
5244 | } else | |
5245 | fprintf(stderr, "Could not acquire pid file\n"); | |
5246 | exit(1); | |
5247 | } | |
5248 | ||
5249 | #ifdef USE_KQEMU | |
5250 | if (smp_cpus > 1) | |
5251 | kqemu_allowed = 0; | |
5252 | #endif | |
5253 | linux_boot = (kernel_filename != NULL); | |
5254 | net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; | |
5255 | ||
5256 | if (!linux_boot && net_boot == 0 && | |
5257 | !machine->nodisk_ok && nb_drives_opt == 0) | |
5258 | help(1); | |
5259 | ||
5260 | if (!linux_boot && *kernel_cmdline != '\0') { | |
5261 | fprintf(stderr, "-append only allowed with -kernel option\n"); | |
5262 | exit(1); | |
5263 | } | |
5264 | ||
5265 | if (!linux_boot && initrd_filename != NULL) { | |
5266 | fprintf(stderr, "-initrd only allowed with -kernel option\n"); | |
5267 | exit(1); | |
5268 | } | |
5269 | ||
5270 | /* boot to floppy or the default cd if no hard disk defined yet */ | |
5271 | if (!boot_devices[0]) { | |
5272 | boot_devices = "cad"; | |
5273 | } | |
5274 | setvbuf(stdout, NULL, _IOLBF, 0); | |
5275 | ||
5276 | init_timers(); | |
5277 | if (init_timer_alarm() < 0) { | |
5278 | fprintf(stderr, "could not initialize alarm timer\n"); | |
5279 | exit(1); | |
5280 | } | |
5281 | if (use_icount && icount_time_shift < 0) { | |
5282 | use_icount = 2; | |
5283 | /* 125MIPS seems a reasonable initial guess at the guest speed. | |
5284 | It will be corrected fairly quickly anyway. */ | |
5285 | icount_time_shift = 3; | |
5286 | init_icount_adjust(); | |
5287 | } | |
5288 | ||
5289 | #ifdef _WIN32 | |
5290 | socket_init(); | |
5291 | #endif | |
5292 | ||
5293 | /* init network clients */ | |
5294 | if (nb_net_clients == 0) { | |
5295 | /* if no clients, we use a default config */ | |
5296 | net_clients[nb_net_clients++] = "nic"; | |
5297 | #ifdef CONFIG_SLIRP | |
5298 | net_clients[nb_net_clients++] = "user"; | |
5299 | #endif | |
5300 | } | |
5301 | ||
5302 | for(i = 0;i < nb_net_clients; i++) { | |
5303 | if (net_client_parse(net_clients[i]) < 0) | |
5304 | exit(1); | |
5305 | } | |
5306 | net_client_check(); | |
5307 | ||
5308 | #ifdef TARGET_I386 | |
5309 | /* XXX: this should be moved in the PC machine instantiation code */ | |
5310 | if (net_boot != 0) { | |
5311 | int netroms = 0; | |
5312 | for (i = 0; i < nb_nics && i < 4; i++) { | |
5313 | const char *model = nd_table[i].model; | |
5314 | char buf[1024]; | |
5315 | if (net_boot & (1 << i)) { | |
5316 | if (model == NULL) | |
5317 | model = "ne2k_pci"; | |
5318 | snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); | |
5319 | if (get_image_size(buf) > 0) { | |
5320 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
5321 | fprintf(stderr, "Too many option ROMs\n"); | |
5322 | exit(1); | |
5323 | } | |
5324 | option_rom[nb_option_roms] = strdup(buf); | |
5325 | nb_option_roms++; | |
5326 | netroms++; | |
5327 | } | |
5328 | } | |
5329 | } | |
5330 | if (netroms == 0) { | |
5331 | fprintf(stderr, "No valid PXE rom found for network device\n"); | |
5332 | exit(1); | |
5333 | } | |
5334 | } | |
5335 | #endif | |
5336 | ||
5337 | /* init the bluetooth world */ | |
5338 | for (i = 0; i < nb_bt_opts; i++) | |
5339 | if (bt_parse(bt_opts[i])) | |
5340 | exit(1); | |
5341 | ||
5342 | /* init the memory */ | |
5343 | phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; | |
5344 | ||
5345 | if (machine->ram_require & RAMSIZE_FIXED) { | |
5346 | if (ram_size > 0) { | |
5347 | if (ram_size < phys_ram_size) { | |
5348 | fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n", | |
5349 | machine->name, (unsigned long long) phys_ram_size); | |
5350 | exit(-1); | |
5351 | } | |
5352 | ||
5353 | phys_ram_size = ram_size; | |
5354 | } else | |
5355 | ram_size = phys_ram_size; | |
5356 | } else { | |
5357 | if (ram_size == 0) | |
5358 | ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; | |
5359 | ||
5360 | phys_ram_size += ram_size; | |
5361 | } | |
5362 | ||
5363 | phys_ram_base = qemu_vmalloc(phys_ram_size); | |
5364 | if (!phys_ram_base) { | |
5365 | fprintf(stderr, "Could not allocate physical memory\n"); | |
5366 | exit(1); | |
5367 | } | |
5368 | ||
5369 | /* init the dynamic translator */ | |
5370 | cpu_exec_init_all(tb_size * 1024 * 1024); | |
5371 | ||
5372 | bdrv_init(); | |
5373 | ||
5374 | /* we always create the cdrom drive, even if no disk is there */ | |
5375 | ||
5376 | if (nb_drives_opt < MAX_DRIVES) | |
5377 | drive_add(NULL, CDROM_ALIAS); | |
5378 | ||
5379 | /* we always create at least one floppy */ | |
5380 | ||
5381 | if (nb_drives_opt < MAX_DRIVES) | |
5382 | drive_add(NULL, FD_ALIAS, 0); | |
5383 | ||
5384 | /* we always create one sd slot, even if no card is in it */ | |
5385 | ||
5386 | if (nb_drives_opt < MAX_DRIVES) | |
5387 | drive_add(NULL, SD_ALIAS); | |
5388 | ||
5389 | /* open the virtual block devices */ | |
5390 | ||
5391 | for(i = 0; i < nb_drives_opt; i++) | |
5392 | if (drive_init(&drives_opt[i], snapshot, machine) == -1) | |
5393 | exit(1); | |
5394 | ||
5395 | register_savevm("timer", 0, 2, timer_save, timer_load, NULL); | |
5396 | register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL); | |
5397 | ||
5398 | /* terminal init */ | |
5399 | memset(&display_state, 0, sizeof(display_state)); | |
5400 | if (nographic) { | |
5401 | if (curses) { | |
5402 | fprintf(stderr, "fatal: -nographic can't be used with -curses\n"); | |
5403 | exit(1); | |
5404 | } | |
5405 | /* nearly nothing to do */ | |
5406 | dumb_display_init(ds); | |
5407 | } else if (vnc_display != NULL) { | |
5408 | vnc_display_init(ds); | |
5409 | if (vnc_display_open(ds, vnc_display) < 0) | |
5410 | exit(1); | |
5411 | } else | |
5412 | #if defined(CONFIG_CURSES) | |
5413 | if (curses) { | |
5414 | curses_display_init(ds, full_screen); | |
5415 | } else | |
5416 | #endif | |
5417 | { | |
5418 | #if defined(CONFIG_SDL) | |
5419 | sdl_display_init(ds, full_screen, no_frame); | |
5420 | #elif defined(CONFIG_COCOA) | |
5421 | cocoa_display_init(ds, full_screen); | |
5422 | #else | |
5423 | dumb_display_init(ds); | |
5424 | #endif | |
5425 | } | |
5426 | ||
5427 | #ifndef _WIN32 | |
5428 | /* must be after terminal init, SDL library changes signal handlers */ | |
5429 | termsig_setup(); | |
5430 | #endif | |
5431 | ||
5432 | /* Maintain compatibility with multiple stdio monitors */ | |
5433 | if (!strcmp(monitor_device,"stdio")) { | |
5434 | for (i = 0; i < MAX_SERIAL_PORTS; i++) { | |
5435 | const char *devname = serial_devices[i]; | |
5436 | if (devname && !strcmp(devname,"mon:stdio")) { | |
5437 | monitor_device = NULL; | |
5438 | break; | |
5439 | } else if (devname && !strcmp(devname,"stdio")) { | |
5440 | monitor_device = NULL; | |
5441 | serial_devices[i] = "mon:stdio"; | |
5442 | break; | |
5443 | } | |
5444 | } | |
5445 | } | |
5446 | if (monitor_device) { | |
5447 | monitor_hd = qemu_chr_open("monitor", monitor_device); | |
5448 | if (!monitor_hd) { | |
5449 | fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); | |
5450 | exit(1); | |
5451 | } | |
5452 | monitor_init(monitor_hd, !nographic); | |
5453 | } | |
5454 | ||
5455 | for(i = 0; i < MAX_SERIAL_PORTS; i++) { | |
5456 | const char *devname = serial_devices[i]; | |
5457 | if (devname && strcmp(devname, "none")) { | |
5458 | char label[32]; | |
5459 | snprintf(label, sizeof(label), "serial%d", i); | |
5460 | serial_hds[i] = qemu_chr_open(label, devname); | |
5461 | if (!serial_hds[i]) { | |
5462 | fprintf(stderr, "qemu: could not open serial device '%s'\n", | |
5463 | devname); | |
5464 | exit(1); | |
5465 | } | |
5466 | if (strstart(devname, "vc", 0)) | |
5467 | qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); | |
5468 | } | |
5469 | } | |
5470 | ||
5471 | for(i = 0; i < MAX_PARALLEL_PORTS; i++) { | |
5472 | const char *devname = parallel_devices[i]; | |
5473 | if (devname && strcmp(devname, "none")) { | |
5474 | char label[32]; | |
5475 | snprintf(label, sizeof(label), "parallel%d", i); | |
5476 | parallel_hds[i] = qemu_chr_open(label, devname); | |
5477 | if (!parallel_hds[i]) { | |
5478 | fprintf(stderr, "qemu: could not open parallel device '%s'\n", | |
5479 | devname); | |
5480 | exit(1); | |
5481 | } | |
5482 | if (strstart(devname, "vc", 0)) | |
5483 | qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); | |
5484 | } | |
5485 | } | |
5486 | ||
5487 | for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) { | |
5488 | const char *devname = virtio_consoles[i]; | |
5489 | if (devname && strcmp(devname, "none")) { | |
5490 | char label[32]; | |
5491 | snprintf(label, sizeof(label), "virtcon%d", i); | |
5492 | virtcon_hds[i] = qemu_chr_open(label, devname); | |
5493 | if (!virtcon_hds[i]) { | |
5494 | fprintf(stderr, "qemu: could not open virtio console '%s'\n", | |
5495 | devname); | |
5496 | exit(1); | |
5497 | } | |
5498 | if (strstart(devname, "vc", 0)) | |
5499 | qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i); | |
5500 | } | |
5501 | } | |
5502 | ||
5503 | if (kvm_enabled()) { | |
5504 | int ret; | |
5505 | ||
5506 | ret = kvm_init(smp_cpus); | |
5507 | if (ret < 0) { | |
5508 | fprintf(stderr, "failed to initialize KVM\n"); | |
5509 | exit(1); | |
5510 | } | |
5511 | } | |
5512 | ||
5513 | machine->init(ram_size, vga_ram_size, boot_devices, ds, | |
5514 | kernel_filename, kernel_cmdline, initrd_filename, cpu_model); | |
5515 | ||
5516 | /* Set KVM's vcpu state to qemu's initial CPUState. */ | |
5517 | if (kvm_enabled()) { | |
5518 | int ret; | |
5519 | ||
5520 | ret = kvm_sync_vcpus(); | |
5521 | if (ret < 0) { | |
5522 | fprintf(stderr, "failed to initialize vcpus\n"); | |
5523 | exit(1); | |
5524 | } | |
5525 | } | |
5526 | ||
5527 | /* init USB devices */ | |
5528 | if (usb_enabled) { | |
5529 | for(i = 0; i < usb_devices_index; i++) { | |
5530 | if (usb_device_add(usb_devices[i]) < 0) { | |
5531 | fprintf(stderr, "Warning: could not add USB device %s\n", | |
5532 | usb_devices[i]); | |
5533 | } | |
5534 | } | |
5535 | } | |
5536 | ||
5537 | if (display_state.dpy_refresh) { | |
5538 | display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); | |
5539 | qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); | |
5540 | } | |
5541 | ||
5542 | #ifdef CONFIG_GDBSTUB | |
5543 | if (use_gdbstub) { | |
5544 | /* XXX: use standard host:port notation and modify options | |
5545 | accordingly. */ | |
5546 | if (gdbserver_start(gdbstub_port) < 0) { | |
5547 | fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", | |
5548 | gdbstub_port); | |
5549 | exit(1); | |
5550 | } | |
5551 | } | |
5552 | #endif | |
5553 | ||
5554 | if (loadvm) | |
5555 | do_loadvm(loadvm); | |
5556 | ||
5557 | if (incoming) { | |
5558 | autostart = 0; /* fixme how to deal with -daemonize */ | |
5559 | qemu_start_incoming_migration(incoming); | |
5560 | } | |
5561 | ||
5562 | { | |
5563 | /* XXX: simplify init */ | |
5564 | read_passwords(); | |
5565 | if (autostart) { | |
5566 | vm_start(); | |
5567 | } | |
5568 | } | |
5569 | ||
5570 | if (daemonize) { | |
5571 | uint8_t status = 0; | |
5572 | ssize_t len; | |
5573 | int fd; | |
5574 | ||
5575 | again1: | |
5576 | len = write(fds[1], &status, 1); | |
5577 | if (len == -1 && (errno == EINTR)) | |
5578 | goto again1; | |
5579 | ||
5580 | if (len != 1) | |
5581 | exit(1); | |
5582 | ||
5583 | chdir("/"); | |
5584 | TFR(fd = open("/dev/null", O_RDWR)); | |
5585 | if (fd == -1) | |
5586 | exit(1); | |
5587 | ||
5588 | dup2(fd, 0); | |
5589 | dup2(fd, 1); | |
5590 | dup2(fd, 2); | |
5591 | ||
5592 | close(fd); | |
5593 | } | |
5594 | ||
5595 | main_loop(); | |
5596 | quit_timers(); | |
5597 | net_cleanup(); | |
5598 | ||
5599 | return 0; | |
5600 | } |