4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
28 #include <sys/types.h>
34 #include "arch_init.h"
35 #include "audio/audio.h"
38 #include "hw/audiodev.h"
40 #include "migration.h"
43 #include "hw/smbios.h"
44 #include "exec-memory.h"
48 int graphic_width
= 1024;
49 int graphic_height
= 768;
50 int graphic_depth
= 8;
52 int graphic_width
= 800;
53 int graphic_height
= 600;
54 int graphic_depth
= 15;
58 #if defined(TARGET_ALPHA)
59 #define QEMU_ARCH QEMU_ARCH_ALPHA
60 #elif defined(TARGET_ARM)
61 #define QEMU_ARCH QEMU_ARCH_ARM
62 #elif defined(TARGET_CRIS)
63 #define QEMU_ARCH QEMU_ARCH_CRIS
64 #elif defined(TARGET_I386)
65 #define QEMU_ARCH QEMU_ARCH_I386
66 #elif defined(TARGET_M68K)
67 #define QEMU_ARCH QEMU_ARCH_M68K
68 #elif defined(TARGET_LM32)
69 #define QEMU_ARCH QEMU_ARCH_LM32
70 #elif defined(TARGET_MICROBLAZE)
71 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
72 #elif defined(TARGET_MIPS)
73 #define QEMU_ARCH QEMU_ARCH_MIPS
74 #elif defined(TARGET_PPC)
75 #define QEMU_ARCH QEMU_ARCH_PPC
76 #elif defined(TARGET_S390X)
77 #define QEMU_ARCH QEMU_ARCH_S390X
78 #elif defined(TARGET_SH4)
79 #define QEMU_ARCH QEMU_ARCH_SH4
80 #elif defined(TARGET_SPARC)
81 #define QEMU_ARCH QEMU_ARCH_SPARC
82 #elif defined(TARGET_XTENSA)
83 #define QEMU_ARCH QEMU_ARCH_XTENSA
86 const uint32_t arch_type
= QEMU_ARCH
;
88 /***********************************************************/
89 /* ram save/restore */
91 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
92 #define RAM_SAVE_FLAG_COMPRESS 0x02
93 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
94 #define RAM_SAVE_FLAG_PAGE 0x08
95 #define RAM_SAVE_FLAG_EOS 0x10
96 #define RAM_SAVE_FLAG_CONTINUE 0x20
100 #define VECTYPE vector unsigned char
101 #define SPLAT(p) vec_splat(vec_ld(0, p), 0)
102 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
103 #elif defined __SSE2__
104 #include <emmintrin.h>
105 #define VECTYPE __m128i
106 #define SPLAT(p) _mm_set1_epi8(*(p))
107 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
109 #define VECTYPE unsigned long
110 #define SPLAT(p) (*(p) * (~0UL / 255))
111 #define ALL_EQ(v1, v2) ((v1) == (v2))
115 static struct defconfig_file
{
116 const char *filename
;
117 } default_config_files
[] = {
118 { CONFIG_QEMU_CONFDIR
"/qemu.conf" },
119 { CONFIG_QEMU_CONFDIR
"/target-" TARGET_ARCH
".conf" },
120 { NULL
}, /* end of list */
124 int qemu_read_default_config_files(void)
127 struct defconfig_file
*f
;
129 for (f
= default_config_files
; f
->filename
; f
++) {
130 ret
= qemu_read_config_file(f
->filename
);
131 if (ret
< 0 && ret
!= -ENOENT
) {
139 static int is_dup_page(uint8_t *page
)
141 VECTYPE
*p
= (VECTYPE
*)page
;
142 VECTYPE val
= SPLAT(page
);
145 for (i
= 0; i
< TARGET_PAGE_SIZE
/ sizeof(VECTYPE
); i
++) {
146 if (!ALL_EQ(val
, p
[i
])) {
154 static RAMBlock
*last_block
;
155 static ram_addr_t last_offset
;
157 static int ram_save_block(QEMUFile
*f
)
159 RAMBlock
*block
= last_block
;
160 ram_addr_t offset
= last_offset
;
165 block
= QLIST_FIRST(&ram_list
.blocks
);
169 if (memory_region_get_dirty(mr
, offset
, TARGET_PAGE_SIZE
,
170 DIRTY_MEMORY_MIGRATION
)) {
172 int cont
= (block
== last_block
) ? RAM_SAVE_FLAG_CONTINUE
: 0;
174 memory_region_reset_dirty(mr
, offset
, TARGET_PAGE_SIZE
,
175 DIRTY_MEMORY_MIGRATION
);
177 p
= memory_region_get_ram_ptr(mr
) + offset
;
179 if (is_dup_page(p
)) {
180 qemu_put_be64(f
, offset
| cont
| RAM_SAVE_FLAG_COMPRESS
);
182 qemu_put_byte(f
, strlen(block
->idstr
));
183 qemu_put_buffer(f
, (uint8_t *)block
->idstr
,
184 strlen(block
->idstr
));
186 qemu_put_byte(f
, *p
);
189 qemu_put_be64(f
, offset
| cont
| RAM_SAVE_FLAG_PAGE
);
191 qemu_put_byte(f
, strlen(block
->idstr
));
192 qemu_put_buffer(f
, (uint8_t *)block
->idstr
,
193 strlen(block
->idstr
));
195 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
196 bytes_sent
= TARGET_PAGE_SIZE
;
202 offset
+= TARGET_PAGE_SIZE
;
203 if (offset
>= block
->length
) {
205 block
= QLIST_NEXT(block
, next
);
207 block
= QLIST_FIRST(&ram_list
.blocks
);
209 } while (block
!= last_block
|| offset
!= last_offset
);
212 last_offset
= offset
;
217 static uint64_t bytes_transferred
;
219 static ram_addr_t
ram_save_remaining(void)
222 ram_addr_t count
= 0;
224 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
226 for (addr
= 0; addr
< block
->length
; addr
+= TARGET_PAGE_SIZE
) {
227 if (memory_region_get_dirty(block
->mr
, addr
, TARGET_PAGE_SIZE
,
228 DIRTY_MEMORY_MIGRATION
)) {
237 uint64_t ram_bytes_remaining(void)
239 return ram_save_remaining() * TARGET_PAGE_SIZE
;
242 uint64_t ram_bytes_transferred(void)
244 return bytes_transferred
;
247 uint64_t ram_bytes_total(void)
252 QLIST_FOREACH(block
, &ram_list
.blocks
, next
)
253 total
+= block
->length
;
258 static int block_compar(const void *a
, const void *b
)
260 RAMBlock
* const *ablock
= a
;
261 RAMBlock
* const *bblock
= b
;
263 return strcmp((*ablock
)->idstr
, (*bblock
)->idstr
);
266 static void sort_ram_list(void)
268 RAMBlock
*block
, *nblock
, **blocks
;
271 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
274 blocks
= g_malloc(n
* sizeof *blocks
);
276 QLIST_FOREACH_SAFE(block
, &ram_list
.blocks
, next
, nblock
) {
278 QLIST_REMOVE(block
, next
);
280 qsort(blocks
, n
, sizeof *blocks
, block_compar
);
282 QLIST_INSERT_HEAD(&ram_list
.blocks
, blocks
[n
], next
);
287 int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
290 uint64_t bytes_transferred_last
;
292 uint64_t expected_time
= 0;
296 memory_global_dirty_log_stop();
300 memory_global_sync_dirty_bitmap(get_system_memory());
304 bytes_transferred
= 0;
309 /* Make sure all dirty bits are set */
310 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
311 for (addr
= 0; addr
< block
->length
; addr
+= TARGET_PAGE_SIZE
) {
312 if (!memory_region_get_dirty(block
->mr
, addr
, TARGET_PAGE_SIZE
,
313 DIRTY_MEMORY_MIGRATION
)) {
314 memory_region_set_dirty(block
->mr
, addr
, TARGET_PAGE_SIZE
);
319 memory_global_dirty_log_start();
321 qemu_put_be64(f
, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE
);
323 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
324 qemu_put_byte(f
, strlen(block
->idstr
));
325 qemu_put_buffer(f
, (uint8_t *)block
->idstr
, strlen(block
->idstr
));
326 qemu_put_be64(f
, block
->length
);
330 bytes_transferred_last
= bytes_transferred
;
331 bwidth
= qemu_get_clock_ns(rt_clock
);
333 while ((ret
= qemu_file_rate_limit(f
)) == 0) {
336 bytes_sent
= ram_save_block(f
);
337 bytes_transferred
+= bytes_sent
;
338 if (bytes_sent
== 0) { /* no more blocks */
347 bwidth
= qemu_get_clock_ns(rt_clock
) - bwidth
;
348 bwidth
= (bytes_transferred
- bytes_transferred_last
) / bwidth
;
350 /* if we haven't transferred anything this round, force expected_time to a
351 * a very high value, but without crashing */
356 /* try transferring iterative blocks of memory */
360 /* flush all remaining blocks regardless of rate limiting */
361 while ((bytes_sent
= ram_save_block(f
)) != 0) {
362 bytes_transferred
+= bytes_sent
;
364 memory_global_dirty_log_stop();
367 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
369 expected_time
= ram_save_remaining() * TARGET_PAGE_SIZE
/ bwidth
;
371 return (stage
== 2) && (expected_time
<= migrate_max_downtime());
374 static inline void *host_from_stream_offset(QEMUFile
*f
,
378 static RAMBlock
*block
= NULL
;
382 if (flags
& RAM_SAVE_FLAG_CONTINUE
) {
384 fprintf(stderr
, "Ack, bad migration stream!\n");
388 return memory_region_get_ram_ptr(block
->mr
) + offset
;
391 len
= qemu_get_byte(f
);
392 qemu_get_buffer(f
, (uint8_t *)id
, len
);
395 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
396 if (!strncmp(id
, block
->idstr
, sizeof(id
)))
397 return memory_region_get_ram_ptr(block
->mr
) + offset
;
400 fprintf(stderr
, "Can't find block %s!\n", id
);
404 int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
410 if (version_id
< 4 || version_id
> 4) {
415 addr
= qemu_get_be64(f
);
417 flags
= addr
& ~TARGET_PAGE_MASK
;
418 addr
&= TARGET_PAGE_MASK
;
420 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
421 if (version_id
== 4) {
422 /* Synchronize RAM block list */
425 ram_addr_t total_ram_bytes
= addr
;
427 while (total_ram_bytes
) {
431 len
= qemu_get_byte(f
);
432 qemu_get_buffer(f
, (uint8_t *)id
, len
);
434 length
= qemu_get_be64(f
);
436 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
437 if (!strncmp(id
, block
->idstr
, sizeof(id
))) {
438 if (block
->length
!= length
)
445 fprintf(stderr
, "Unknown ramblock \"%s\", cannot "
446 "accept migration\n", id
);
450 total_ram_bytes
-= length
;
455 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
459 host
= host_from_stream_offset(f
, addr
, flags
);
464 ch
= qemu_get_byte(f
);
465 memset(host
, ch
, TARGET_PAGE_SIZE
);
468 (!kvm_enabled() || kvm_has_sync_mmu())) {
469 qemu_madvise(host
, TARGET_PAGE_SIZE
, QEMU_MADV_DONTNEED
);
472 } else if (flags
& RAM_SAVE_FLAG_PAGE
) {
475 host
= host_from_stream_offset(f
, addr
, flags
);
477 qemu_get_buffer(f
, host
, TARGET_PAGE_SIZE
);
479 error
= qemu_file_get_error(f
);
483 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
495 int (*init_isa
) (ISABus
*bus
);
496 int (*init_pci
) (PCIBus
*bus
);
500 static struct soundhw soundhw
[] = {
501 #ifdef HAS_AUDIO_CHOICE
508 { .init_isa
= pcspk_audio_init
}
515 "Creative Sound Blaster 16",
518 { .init_isa
= SB16_init
}
522 #ifdef CONFIG_CS4231A
528 { .init_isa
= cs4231a_init
}
536 "Yamaha YMF262 (OPL3)",
538 "Yamaha YM3812 (OPL2)",
542 { .init_isa
= Adlib_init
}
549 "Gravis Ultrasound GF1",
552 { .init_isa
= GUS_init
}
559 "Intel 82801AA AC97 Audio",
562 { .init_pci
= ac97_init
}
569 "ENSONIQ AudioPCI ES1370",
572 { .init_pci
= es1370_init
}
582 { .init_pci
= intel_hda_and_codec_init
}
586 #endif /* HAS_AUDIO_CHOICE */
588 { NULL
, NULL
, 0, 0, { NULL
} }
591 void select_soundhw(const char *optarg
)
595 if (*optarg
== '?') {
598 printf("Valid sound card names (comma separated):\n");
599 for (c
= soundhw
; c
->name
; ++c
) {
600 printf ("%-11s %s\n", c
->name
, c
->descr
);
602 printf("\n-soundhw all will enable all of the above\n");
603 exit(*optarg
!= '?');
611 if (!strcmp(optarg
, "all")) {
612 for (c
= soundhw
; c
->name
; ++c
) {
621 l
= !e
? strlen(p
) : (size_t) (e
- p
);
623 for (c
= soundhw
; c
->name
; ++c
) {
624 if (!strncmp(c
->name
, p
, l
) && !c
->name
[l
]) {
633 "Unknown sound card name (too big to show)\n");
636 fprintf(stderr
, "Unknown sound card name `%.*s'\n",
641 p
+= l
+ (e
!= NULL
);
645 goto show_valid_cards
;
650 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
654 for (c
= soundhw
; c
->name
; ++c
) {
658 c
->init
.init_isa(isa_bus
);
662 c
->init
.init_pci(pci_bus
);
669 void select_soundhw(const char *optarg
)
672 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
677 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
681 if (strlen(str
) != 36) {
685 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
686 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
687 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14],
694 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
699 void do_acpitable_option(const char *optarg
)
702 if (acpi_table_add(optarg
) < 0) {
703 fprintf(stderr
, "Wrong acpi table provided\n");
709 void do_smbios_option(const char *optarg
)
712 if (smbios_entry_add(optarg
) < 0) {
713 fprintf(stderr
, "Wrong smbios provided\n");
719 void cpudef_init(void)
721 #if defined(cpudef_setup)
722 cpudef_setup(); /* parse cpu definitions in target config file */
726 int audio_available(void)
735 int tcg_available(void)
740 int kvm_available(void)
749 int xen_available(void)