root / arch_init.c @ f471a17e
History | View | Annotate | Download (11.8 kB)
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 |
int bytes_sent = 0; |
112 |
|
113 |
while (addr < ram_list.last_offset) {
|
114 |
if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
|
115 |
uint8_t *p; |
116 |
|
117 |
cpu_physical_memory_reset_dirty(current_addr, |
118 |
current_addr + TARGET_PAGE_SIZE, |
119 |
MIGRATION_DIRTY_FLAG); |
120 |
|
121 |
p = qemu_get_ram_ptr(current_addr); |
122 |
|
123 |
if (is_dup_page(p, *p)) {
|
124 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
125 |
qemu_put_byte(f, *p); |
126 |
bytes_sent = 1;
|
127 |
} else {
|
128 |
qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE); |
129 |
qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
130 |
bytes_sent = TARGET_PAGE_SIZE; |
131 |
} |
132 |
|
133 |
break;
|
134 |
} |
135 |
addr += TARGET_PAGE_SIZE; |
136 |
current_addr = (saved_addr + addr) % ram_list.last_offset; |
137 |
} |
138 |
|
139 |
return bytes_sent;
|
140 |
} |
141 |
|
142 |
static uint64_t bytes_transferred;
|
143 |
|
144 |
static ram_addr_t ram_save_remaining(void) |
145 |
{ |
146 |
ram_addr_t addr; |
147 |
ram_addr_t count = 0;
|
148 |
|
149 |
for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) { |
150 |
if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
|
151 |
count++; |
152 |
} |
153 |
} |
154 |
|
155 |
return count;
|
156 |
} |
157 |
|
158 |
uint64_t ram_bytes_remaining(void)
|
159 |
{ |
160 |
return ram_save_remaining() * TARGET_PAGE_SIZE;
|
161 |
} |
162 |
|
163 |
uint64_t ram_bytes_transferred(void)
|
164 |
{ |
165 |
return bytes_transferred;
|
166 |
} |
167 |
|
168 |
uint64_t ram_bytes_total(void)
|
169 |
{ |
170 |
return ram_list.last_offset;
|
171 |
} |
172 |
|
173 |
int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) |
174 |
{ |
175 |
ram_addr_t addr; |
176 |
uint64_t bytes_transferred_last; |
177 |
double bwidth = 0; |
178 |
uint64_t expected_time = 0;
|
179 |
|
180 |
if (stage < 0) { |
181 |
cpu_physical_memory_set_dirty_tracking(0);
|
182 |
return 0; |
183 |
} |
184 |
|
185 |
if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
186 |
qemu_file_set_error(f); |
187 |
return 0; |
188 |
} |
189 |
|
190 |
if (stage == 1) { |
191 |
bytes_transferred = 0;
|
192 |
|
193 |
/* Make sure all dirty bits are set */
|
194 |
for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) { |
195 |
if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
|
196 |
cpu_physical_memory_set_dirty(addr); |
197 |
} |
198 |
} |
199 |
|
200 |
/* Enable dirty memory tracking */
|
201 |
cpu_physical_memory_set_dirty_tracking(1);
|
202 |
|
203 |
qemu_put_be64(f, ram_list.last_offset | RAM_SAVE_FLAG_MEM_SIZE); |
204 |
} |
205 |
|
206 |
bytes_transferred_last = bytes_transferred; |
207 |
bwidth = qemu_get_clock_ns(rt_clock); |
208 |
|
209 |
while (!qemu_file_rate_limit(f)) {
|
210 |
int bytes_sent;
|
211 |
|
212 |
bytes_sent = ram_save_block(f); |
213 |
bytes_transferred += bytes_sent; |
214 |
if (bytes_sent == 0) { /* no more blocks */ |
215 |
break;
|
216 |
} |
217 |
} |
218 |
|
219 |
bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
220 |
bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
221 |
|
222 |
/* if we haven't transferred anything this round, force expected_time to a
|
223 |
* a very high value, but without crashing */
|
224 |
if (bwidth == 0) { |
225 |
bwidth = 0.000001; |
226 |
} |
227 |
|
228 |
/* try transferring iterative blocks of memory */
|
229 |
if (stage == 3) { |
230 |
int bytes_sent;
|
231 |
|
232 |
/* flush all remaining blocks regardless of rate limiting */
|
233 |
while ((bytes_sent = ram_save_block(f)) != 0) { |
234 |
bytes_transferred += bytes_sent; |
235 |
} |
236 |
cpu_physical_memory_set_dirty_tracking(0);
|
237 |
} |
238 |
|
239 |
qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
240 |
|
241 |
expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
242 |
|
243 |
return (stage == 2) && (expected_time <= migrate_max_downtime()); |
244 |
} |
245 |
|
246 |
int ram_load(QEMUFile *f, void *opaque, int version_id) |
247 |
{ |
248 |
ram_addr_t addr; |
249 |
int flags;
|
250 |
|
251 |
if (version_id != 3) { |
252 |
return -EINVAL;
|
253 |
} |
254 |
|
255 |
do {
|
256 |
addr = qemu_get_be64(f); |
257 |
|
258 |
flags = addr & ~TARGET_PAGE_MASK; |
259 |
addr &= TARGET_PAGE_MASK; |
260 |
|
261 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
262 |
if (addr != ram_list.last_offset) {
|
263 |
return -EINVAL;
|
264 |
} |
265 |
} |
266 |
|
267 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
268 |
uint8_t ch = qemu_get_byte(f); |
269 |
memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
270 |
#ifndef _WIN32
|
271 |
if (ch == 0 && |
272 |
(!kvm_enabled() || kvm_has_sync_mmu())) { |
273 |
madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, |
274 |
MADV_DONTNEED); |
275 |
} |
276 |
#endif
|
277 |
} else if (flags & RAM_SAVE_FLAG_PAGE) { |
278 |
qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
279 |
} |
280 |
if (qemu_file_has_error(f)) {
|
281 |
return -EIO;
|
282 |
} |
283 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
284 |
|
285 |
return 0; |
286 |
} |
287 |
|
288 |
void qemu_service_io(void) |
289 |
{ |
290 |
qemu_notify_event(); |
291 |
} |
292 |
|
293 |
#ifdef HAS_AUDIO
|
294 |
struct soundhw soundhw[] = {
|
295 |
#ifdef HAS_AUDIO_CHOICE
|
296 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
297 |
{ |
298 |
"pcspk",
|
299 |
"PC speaker",
|
300 |
0,
|
301 |
1,
|
302 |
{ .init_isa = pcspk_audio_init } |
303 |
}, |
304 |
#endif
|
305 |
|
306 |
#ifdef CONFIG_SB16
|
307 |
{ |
308 |
"sb16",
|
309 |
"Creative Sound Blaster 16",
|
310 |
0,
|
311 |
1,
|
312 |
{ .init_isa = SB16_init } |
313 |
}, |
314 |
#endif
|
315 |
|
316 |
#ifdef CONFIG_CS4231A
|
317 |
{ |
318 |
"cs4231a",
|
319 |
"CS4231A",
|
320 |
0,
|
321 |
1,
|
322 |
{ .init_isa = cs4231a_init } |
323 |
}, |
324 |
#endif
|
325 |
|
326 |
#ifdef CONFIG_ADLIB
|
327 |
{ |
328 |
"adlib",
|
329 |
#ifdef HAS_YMF262
|
330 |
"Yamaha YMF262 (OPL3)",
|
331 |
#else
|
332 |
"Yamaha YM3812 (OPL2)",
|
333 |
#endif
|
334 |
0,
|
335 |
1,
|
336 |
{ .init_isa = Adlib_init } |
337 |
}, |
338 |
#endif
|
339 |
|
340 |
#ifdef CONFIG_GUS
|
341 |
{ |
342 |
"gus",
|
343 |
"Gravis Ultrasound GF1",
|
344 |
0,
|
345 |
1,
|
346 |
{ .init_isa = GUS_init } |
347 |
}, |
348 |
#endif
|
349 |
|
350 |
#ifdef CONFIG_AC97
|
351 |
{ |
352 |
"ac97",
|
353 |
"Intel 82801AA AC97 Audio",
|
354 |
0,
|
355 |
0,
|
356 |
{ .init_pci = ac97_init } |
357 |
}, |
358 |
#endif
|
359 |
|
360 |
#ifdef CONFIG_ES1370
|
361 |
{ |
362 |
"es1370",
|
363 |
"ENSONIQ AudioPCI ES1370",
|
364 |
0,
|
365 |
0,
|
366 |
{ .init_pci = es1370_init } |
367 |
}, |
368 |
#endif
|
369 |
|
370 |
#endif /* HAS_AUDIO_CHOICE */ |
371 |
|
372 |
{ NULL, NULL, 0, 0, { NULL } } |
373 |
}; |
374 |
|
375 |
void select_soundhw(const char *optarg) |
376 |
{ |
377 |
struct soundhw *c;
|
378 |
|
379 |
if (*optarg == '?') { |
380 |
show_valid_cards:
|
381 |
|
382 |
printf("Valid sound card names (comma separated):\n");
|
383 |
for (c = soundhw; c->name; ++c) {
|
384 |
printf ("%-11s %s\n", c->name, c->descr);
|
385 |
} |
386 |
printf("\n-soundhw all will enable all of the above\n");
|
387 |
exit(*optarg != '?');
|
388 |
} |
389 |
else {
|
390 |
size_t l; |
391 |
const char *p; |
392 |
char *e;
|
393 |
int bad_card = 0; |
394 |
|
395 |
if (!strcmp(optarg, "all")) { |
396 |
for (c = soundhw; c->name; ++c) {
|
397 |
c->enabled = 1;
|
398 |
} |
399 |
return;
|
400 |
} |
401 |
|
402 |
p = optarg; |
403 |
while (*p) {
|
404 |
e = strchr(p, ',');
|
405 |
l = !e ? strlen(p) : (size_t) (e - p); |
406 |
|
407 |
for (c = soundhw; c->name; ++c) {
|
408 |
if (!strncmp(c->name, p, l) && !c->name[l]) {
|
409 |
c->enabled = 1;
|
410 |
break;
|
411 |
} |
412 |
} |
413 |
|
414 |
if (!c->name) {
|
415 |
if (l > 80) { |
416 |
fprintf(stderr, |
417 |
"Unknown sound card name (too big to show)\n");
|
418 |
} |
419 |
else {
|
420 |
fprintf(stderr, "Unknown sound card name `%.*s'\n",
|
421 |
(int) l, p);
|
422 |
} |
423 |
bad_card = 1;
|
424 |
} |
425 |
p += l + (e != NULL);
|
426 |
} |
427 |
|
428 |
if (bad_card) {
|
429 |
goto show_valid_cards;
|
430 |
} |
431 |
} |
432 |
} |
433 |
#else
|
434 |
void select_soundhw(const char *optarg) |
435 |
{ |
436 |
} |
437 |
#endif
|
438 |
|
439 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
440 |
{ |
441 |
int ret;
|
442 |
|
443 |
if (strlen(str) != 36) { |
444 |
return -1; |
445 |
} |
446 |
|
447 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
448 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
449 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
450 |
&uuid[15]);
|
451 |
|
452 |
if (ret != 16) { |
453 |
return -1; |
454 |
} |
455 |
#ifdef TARGET_I386
|
456 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
457 |
#endif
|
458 |
return 0; |
459 |
} |
460 |
|
461 |
void do_acpitable_option(const char *optarg) |
462 |
{ |
463 |
#ifdef TARGET_I386
|
464 |
if (acpi_table_add(optarg) < 0) { |
465 |
fprintf(stderr, "Wrong acpi table provided\n");
|
466 |
exit(1);
|
467 |
} |
468 |
#endif
|
469 |
} |
470 |
|
471 |
void do_smbios_option(const char *optarg) |
472 |
{ |
473 |
#ifdef TARGET_I386
|
474 |
if (smbios_entry_add(optarg) < 0) { |
475 |
fprintf(stderr, "Wrong smbios provided\n");
|
476 |
exit(1);
|
477 |
} |
478 |
#endif
|
479 |
} |
480 |
|
481 |
void cpudef_init(void) |
482 |
{ |
483 |
#if defined(cpudef_setup)
|
484 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
485 |
#endif
|
486 |
} |
487 |
|
488 |
int audio_available(void) |
489 |
{ |
490 |
#ifdef HAS_AUDIO
|
491 |
return 1; |
492 |
#else
|
493 |
return 0; |
494 |
#endif
|
495 |
} |
496 |
|
497 |
int kvm_available(void) |
498 |
{ |
499 |
#ifdef CONFIG_KVM
|
500 |
return 1; |
501 |
#else
|
502 |
return 0; |
503 |
#endif
|
504 |
} |
505 |
|
506 |
int xen_available(void) |
507 |
{ |
508 |
#ifdef CONFIG_XEN
|
509 |
return 1; |
510 |
#else
|
511 |
return 0; |
512 |
#endif
|
513 |
} |