]>
Commit | Line | Data |
---|---|---|
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 <stdint.h> | |
25 | #include <stdarg.h> | |
26 | #ifndef _WIN32 | |
27 | #include <sys/types.h> | |
28 | #include <sys/mman.h> | |
29 | #endif | |
30 | #include "config.h" | |
31 | #include "monitor.h" | |
32 | #include "sysemu.h" | |
33 | #include "arch_init.h" | |
34 | #include "audio/audio.h" | |
35 | #include "hw/pc.h" | |
36 | #include "hw/pci.h" | |
37 | #include "hw/audiodev.h" | |
38 | #include "kvm.h" | |
39 | #include "migration.h" | |
40 | #include "net.h" | |
41 | #include "gdbstub.h" | |
42 | #include "hw/smbios.h" | |
43 | ||
44 | #ifdef TARGET_SPARC | |
45 | int graphic_width = 1024; | |
46 | int graphic_height = 768; | |
47 | int graphic_depth = 8; | |
48 | #else | |
49 | int graphic_width = 800; | |
50 | int graphic_height = 600; | |
51 | int graphic_depth = 15; | |
52 | #endif | |
53 | ||
54 | const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; | |
55 | ||
56 | #if defined(TARGET_ALPHA) | |
57 | #define QEMU_ARCH QEMU_ARCH_ALPHA | |
58 | #elif defined(TARGET_ARM) | |
59 | #define QEMU_ARCH QEMU_ARCH_ARM | |
60 | #elif defined(TARGET_CRIS) | |
61 | #define QEMU_ARCH QEMU_ARCH_CRIS | |
62 | #elif defined(TARGET_I386) | |
63 | #define QEMU_ARCH QEMU_ARCH_I386 | |
64 | #elif defined(TARGET_M68K) | |
65 | #define QEMU_ARCH QEMU_ARCH_M68K | |
66 | #elif defined(TARGET_MICROBLAZE) | |
67 | #define QEMU_ARCH QEMU_ARCH_MICROBLAZE | |
68 | #elif defined(TARGET_MIPS) | |
69 | #define QEMU_ARCH QEMU_ARCH_MIPS | |
70 | #elif defined(TARGET_PPC) | |
71 | #define QEMU_ARCH QEMU_ARCH_PPC | |
72 | #elif defined(TARGET_S390X) | |
73 | #define QEMU_ARCH QEMU_ARCH_S390X | |
74 | #elif defined(TARGET_SH4) | |
75 | #define QEMU_ARCH QEMU_ARCH_SH4 | |
76 | #elif defined(TARGET_SPARC) | |
77 | #define QEMU_ARCH QEMU_ARCH_SPARC | |
78 | #endif | |
79 | ||
80 | const uint32_t arch_type = QEMU_ARCH; | |
81 | ||
82 | /***********************************************************/ | |
83 | /* ram save/restore */ | |
84 | ||
85 | #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ | |
86 | #define RAM_SAVE_FLAG_COMPRESS 0x02 | |
87 | #define RAM_SAVE_FLAG_MEM_SIZE 0x04 | |
88 | #define RAM_SAVE_FLAG_PAGE 0x08 | |
89 | #define RAM_SAVE_FLAG_EOS 0x10 | |
90 | ||
91 | static int is_dup_page(uint8_t *page, uint8_t ch) | |
92 | { | |
93 | uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; | |
94 | uint32_t *array = (uint32_t *)page; | |
95 | int i; | |
96 | ||
97 | for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { | |
98 | if (array[i] != val) { | |
99 | return 0; | |
100 | } | |
101 | } | |
102 | ||
103 | return 1; | |
104 | } | |
105 | ||
106 | static int ram_save_block(QEMUFile *f) | |
107 | { | |
108 | static ram_addr_t current_addr = 0; | |
109 | ram_addr_t saved_addr = current_addr; | |
110 | ram_addr_t addr = 0; | |
111 | uint64_t total_ram = ram_bytes_total(); | |
112 | int bytes_sent = 0; | |
113 | ||
114 | while (addr < total_ram) { | |
115 | if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) { | |
116 | uint8_t *p; | |
117 | ||
118 | cpu_physical_memory_reset_dirty(current_addr, | |
119 | current_addr + TARGET_PAGE_SIZE, | |
120 | MIGRATION_DIRTY_FLAG); | |
121 | ||
122 | p = qemu_get_ram_ptr(current_addr); | |
123 | ||
124 | if (is_dup_page(p, *p)) { | |
125 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); | |
126 | qemu_put_byte(f, *p); | |
127 | bytes_sent = 1; | |
128 | } else { | |
129 | qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); | |
130 | qemu_put_buffer(f, p, TARGET_PAGE_SIZE); | |
131 | bytes_sent = TARGET_PAGE_SIZE; | |
132 | } | |
133 | ||
134 | break; | |
135 | } | |
136 | addr += TARGET_PAGE_SIZE; | |
137 | current_addr = (saved_addr + addr) % total_ram; | |
138 | } | |
139 | ||
140 | return bytes_sent; | |
141 | } | |
142 | ||
143 | static uint64_t bytes_transferred; | |
144 | ||
145 | static ram_addr_t ram_save_remaining(void) | |
146 | { | |
147 | ram_addr_t addr; | |
148 | ram_addr_t count = 0; | |
149 | uint64_t total_ram = ram_bytes_total(); | |
150 | ||
151 | for (addr = 0; addr < total_ram; addr += TARGET_PAGE_SIZE) { | |
152 | if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) { | |
153 | count++; | |
154 | } | |
155 | } | |
156 | ||
157 | return count; | |
158 | } | |
159 | ||
160 | uint64_t ram_bytes_remaining(void) | |
161 | { | |
162 | return ram_save_remaining() * TARGET_PAGE_SIZE; | |
163 | } | |
164 | ||
165 | uint64_t ram_bytes_transferred(void) | |
166 | { | |
167 | return bytes_transferred; | |
168 | } | |
169 | ||
170 | uint64_t ram_bytes_total(void) | |
171 | { | |
172 | RAMBlock *block; | |
173 | uint64_t total = 0; | |
174 | ||
175 | QLIST_FOREACH(block, &ram_list.blocks, next) | |
176 | total += block->length; | |
177 | ||
178 | return total; | |
179 | } | |
180 | ||
181 | int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) | |
182 | { | |
183 | ram_addr_t addr; | |
184 | uint64_t bytes_transferred_last; | |
185 | double bwidth = 0; | |
186 | uint64_t expected_time = 0; | |
187 | ||
188 | if (stage < 0) { | |
189 | cpu_physical_memory_set_dirty_tracking(0); | |
190 | return 0; | |
191 | } | |
192 | ||
193 | if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { | |
194 | qemu_file_set_error(f); | |
195 | return 0; | |
196 | } | |
197 | ||
198 | if (stage == 1) { | |
199 | uint64_t total_ram = ram_bytes_total(); | |
200 | bytes_transferred = 0; | |
201 | ||
202 | /* Make sure all dirty bits are set */ | |
203 | for (addr = 0; addr < total_ram; addr += TARGET_PAGE_SIZE) { | |
204 | if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) { | |
205 | cpu_physical_memory_set_dirty(addr); | |
206 | } | |
207 | } | |
208 | ||
209 | /* Enable dirty memory tracking */ | |
210 | cpu_physical_memory_set_dirty_tracking(1); | |
211 | ||
212 | qemu_put_be64(f, total_ram | RAM_SAVE_FLAG_MEM_SIZE); | |
213 | } | |
214 | ||
215 | bytes_transferred_last = bytes_transferred; | |
216 | bwidth = qemu_get_clock_ns(rt_clock); | |
217 | ||
218 | while (!qemu_file_rate_limit(f)) { | |
219 | int bytes_sent; | |
220 | ||
221 | bytes_sent = ram_save_block(f); | |
222 | bytes_transferred += bytes_sent; | |
223 | if (bytes_sent == 0) { /* no more blocks */ | |
224 | break; | |
225 | } | |
226 | } | |
227 | ||
228 | bwidth = qemu_get_clock_ns(rt_clock) - bwidth; | |
229 | bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; | |
230 | ||
231 | /* if we haven't transferred anything this round, force expected_time to a | |
232 | * a very high value, but without crashing */ | |
233 | if (bwidth == 0) { | |
234 | bwidth = 0.000001; | |
235 | } | |
236 | ||
237 | /* try transferring iterative blocks of memory */ | |
238 | if (stage == 3) { | |
239 | int bytes_sent; | |
240 | ||
241 | /* flush all remaining blocks regardless of rate limiting */ | |
242 | while ((bytes_sent = ram_save_block(f)) != 0) { | |
243 | bytes_transferred += bytes_sent; | |
244 | } | |
245 | cpu_physical_memory_set_dirty_tracking(0); | |
246 | } | |
247 | ||
248 | qemu_put_be64(f, RAM_SAVE_FLAG_EOS); | |
249 | ||
250 | expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; | |
251 | ||
252 | return (stage == 2) && (expected_time <= migrate_max_downtime()); | |
253 | } | |
254 | ||
255 | int ram_load(QEMUFile *f, void *opaque, int version_id) | |
256 | { | |
257 | ram_addr_t addr; | |
258 | int flags; | |
259 | ||
260 | if (version_id != 3) { | |
261 | return -EINVAL; | |
262 | } | |
263 | ||
264 | do { | |
265 | addr = qemu_get_be64(f); | |
266 | ||
267 | flags = addr & ~TARGET_PAGE_MASK; | |
268 | addr &= TARGET_PAGE_MASK; | |
269 | ||
270 | if (flags & RAM_SAVE_FLAG_MEM_SIZE) { | |
271 | if (addr != ram_bytes_total()) { | |
272 | return -EINVAL; | |
273 | } | |
274 | } | |
275 | ||
276 | if (flags & RAM_SAVE_FLAG_COMPRESS) { | |
277 | uint8_t ch = qemu_get_byte(f); | |
278 | memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); | |
279 | #ifndef _WIN32 | |
280 | if (ch == 0 && | |
281 | (!kvm_enabled() || kvm_has_sync_mmu())) { | |
282 | madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, | |
283 | MADV_DONTNEED); | |
284 | } | |
285 | #endif | |
286 | } else if (flags & RAM_SAVE_FLAG_PAGE) { | |
287 | qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); | |
288 | } | |
289 | if (qemu_file_has_error(f)) { | |
290 | return -EIO; | |
291 | } | |
292 | } while (!(flags & RAM_SAVE_FLAG_EOS)); | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | void qemu_service_io(void) | |
298 | { | |
299 | qemu_notify_event(); | |
300 | } | |
301 | ||
302 | #ifdef HAS_AUDIO | |
303 | struct soundhw soundhw[] = { | |
304 | #ifdef HAS_AUDIO_CHOICE | |
305 | #if defined(TARGET_I386) || defined(TARGET_MIPS) | |
306 | { | |
307 | "pcspk", | |
308 | "PC speaker", | |
309 | 0, | |
310 | 1, | |
311 | { .init_isa = pcspk_audio_init } | |
312 | }, | |
313 | #endif | |
314 | ||
315 | #ifdef CONFIG_SB16 | |
316 | { | |
317 | "sb16", | |
318 | "Creative Sound Blaster 16", | |
319 | 0, | |
320 | 1, | |
321 | { .init_isa = SB16_init } | |
322 | }, | |
323 | #endif | |
324 | ||
325 | #ifdef CONFIG_CS4231A | |
326 | { | |
327 | "cs4231a", | |
328 | "CS4231A", | |
329 | 0, | |
330 | 1, | |
331 | { .init_isa = cs4231a_init } | |
332 | }, | |
333 | #endif | |
334 | ||
335 | #ifdef CONFIG_ADLIB | |
336 | { | |
337 | "adlib", | |
338 | #ifdef HAS_YMF262 | |
339 | "Yamaha YMF262 (OPL3)", | |
340 | #else | |
341 | "Yamaha YM3812 (OPL2)", | |
342 | #endif | |
343 | 0, | |
344 | 1, | |
345 | { .init_isa = Adlib_init } | |
346 | }, | |
347 | #endif | |
348 | ||
349 | #ifdef CONFIG_GUS | |
350 | { | |
351 | "gus", | |
352 | "Gravis Ultrasound GF1", | |
353 | 0, | |
354 | 1, | |
355 | { .init_isa = GUS_init } | |
356 | }, | |
357 | #endif | |
358 | ||
359 | #ifdef CONFIG_AC97 | |
360 | { | |
361 | "ac97", | |
362 | "Intel 82801AA AC97 Audio", | |
363 | 0, | |
364 | 0, | |
365 | { .init_pci = ac97_init } | |
366 | }, | |
367 | #endif | |
368 | ||
369 | #ifdef CONFIG_ES1370 | |
370 | { | |
371 | "es1370", | |
372 | "ENSONIQ AudioPCI ES1370", | |
373 | 0, | |
374 | 0, | |
375 | { .init_pci = es1370_init } | |
376 | }, | |
377 | #endif | |
378 | ||
379 | #endif /* HAS_AUDIO_CHOICE */ | |
380 | ||
381 | { NULL, NULL, 0, 0, { NULL } } | |
382 | }; | |
383 | ||
384 | void select_soundhw(const char *optarg) | |
385 | { | |
386 | struct soundhw *c; | |
387 | ||
388 | if (*optarg == '?') { | |
389 | show_valid_cards: | |
390 | ||
391 | printf("Valid sound card names (comma separated):\n"); | |
392 | for (c = soundhw; c->name; ++c) { | |
393 | printf ("%-11s %s\n", c->name, c->descr); | |
394 | } | |
395 | printf("\n-soundhw all will enable all of the above\n"); | |
396 | exit(*optarg != '?'); | |
397 | } | |
398 | else { | |
399 | size_t l; | |
400 | const char *p; | |
401 | char *e; | |
402 | int bad_card = 0; | |
403 | ||
404 | if (!strcmp(optarg, "all")) { | |
405 | for (c = soundhw; c->name; ++c) { | |
406 | c->enabled = 1; | |
407 | } | |
408 | return; | |
409 | } | |
410 | ||
411 | p = optarg; | |
412 | while (*p) { | |
413 | e = strchr(p, ','); | |
414 | l = !e ? strlen(p) : (size_t) (e - p); | |
415 | ||
416 | for (c = soundhw; c->name; ++c) { | |
417 | if (!strncmp(c->name, p, l) && !c->name[l]) { | |
418 | c->enabled = 1; | |
419 | break; | |
420 | } | |
421 | } | |
422 | ||
423 | if (!c->name) { | |
424 | if (l > 80) { | |
425 | fprintf(stderr, | |
426 | "Unknown sound card name (too big to show)\n"); | |
427 | } | |
428 | else { | |
429 | fprintf(stderr, "Unknown sound card name `%.*s'\n", | |
430 | (int) l, p); | |
431 | } | |
432 | bad_card = 1; | |
433 | } | |
434 | p += l + (e != NULL); | |
435 | } | |
436 | ||
437 | if (bad_card) { | |
438 | goto show_valid_cards; | |
439 | } | |
440 | } | |
441 | } | |
442 | #else | |
443 | void select_soundhw(const char *optarg) | |
444 | { | |
445 | } | |
446 | #endif | |
447 | ||
448 | int qemu_uuid_parse(const char *str, uint8_t *uuid) | |
449 | { | |
450 | int ret; | |
451 | ||
452 | if (strlen(str) != 36) { | |
453 | return -1; | |
454 | } | |
455 | ||
456 | ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], | |
457 | &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], | |
458 | &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], | |
459 | &uuid[15]); | |
460 | ||
461 | if (ret != 16) { | |
462 | return -1; | |
463 | } | |
464 | #ifdef TARGET_I386 | |
465 | smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); | |
466 | #endif | |
467 | return 0; | |
468 | } | |
469 | ||
470 | void do_acpitable_option(const char *optarg) | |
471 | { | |
472 | #ifdef TARGET_I386 | |
473 | if (acpi_table_add(optarg) < 0) { | |
474 | fprintf(stderr, "Wrong acpi table provided\n"); | |
475 | exit(1); | |
476 | } | |
477 | #endif | |
478 | } | |
479 | ||
480 | void do_smbios_option(const char *optarg) | |
481 | { | |
482 | #ifdef TARGET_I386 | |
483 | if (smbios_entry_add(optarg) < 0) { | |
484 | fprintf(stderr, "Wrong smbios provided\n"); | |
485 | exit(1); | |
486 | } | |
487 | #endif | |
488 | } | |
489 | ||
490 | void cpudef_init(void) | |
491 | { | |
492 | #if defined(cpudef_setup) | |
493 | cpudef_setup(); /* parse cpu definitions in target config file */ | |
494 | #endif | |
495 | } | |
496 | ||
497 | int audio_available(void) | |
498 | { | |
499 | #ifdef HAS_AUDIO | |
500 | return 1; | |
501 | #else | |
502 | return 0; | |
503 | #endif | |
504 | } | |
505 | ||
506 | int kvm_available(void) | |
507 | { | |
508 | #ifdef CONFIG_KVM | |
509 | return 1; | |
510 | #else | |
511 | return 0; | |
512 | #endif | |
513 | } | |
514 | ||
515 | int xen_available(void) | |
516 | { | |
517 | #ifdef CONFIG_XEN | |
518 | return 1; | |
519 | #else | |
520 | return 0; | |
521 | #endif | |
522 | } |