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"
47 #ifdef DEBUG_ARCH_INIT
48 #define DPRINTF(fmt, ...) \
49 do { fprintf(stdout, "arch_init: " fmt, ## __VA_ARGS__); } while (0)
51 #define DPRINTF(fmt, ...) \
56 int graphic_width
= 1024;
57 int graphic_height
= 768;
58 int graphic_depth
= 8;
60 int graphic_width
= 800;
61 int graphic_height
= 600;
62 int graphic_depth
= 15;
66 #if defined(TARGET_ALPHA)
67 #define QEMU_ARCH QEMU_ARCH_ALPHA
68 #elif defined(TARGET_ARM)
69 #define QEMU_ARCH QEMU_ARCH_ARM
70 #elif defined(TARGET_CRIS)
71 #define QEMU_ARCH QEMU_ARCH_CRIS
72 #elif defined(TARGET_I386)
73 #define QEMU_ARCH QEMU_ARCH_I386
74 #elif defined(TARGET_M68K)
75 #define QEMU_ARCH QEMU_ARCH_M68K
76 #elif defined(TARGET_LM32)
77 #define QEMU_ARCH QEMU_ARCH_LM32
78 #elif defined(TARGET_MICROBLAZE)
79 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
80 #elif defined(TARGET_MIPS)
81 #define QEMU_ARCH QEMU_ARCH_MIPS
82 #elif defined(TARGET_OPENRISC)
83 #define QEMU_ARCH QEMU_ARCH_OPENRISC
84 #elif defined(TARGET_PPC)
85 #define QEMU_ARCH QEMU_ARCH_PPC
86 #elif defined(TARGET_S390X)
87 #define QEMU_ARCH QEMU_ARCH_S390X
88 #elif defined(TARGET_SH4)
89 #define QEMU_ARCH QEMU_ARCH_SH4
90 #elif defined(TARGET_SPARC)
91 #define QEMU_ARCH QEMU_ARCH_SPARC
92 #elif defined(TARGET_XTENSA)
93 #define QEMU_ARCH QEMU_ARCH_XTENSA
96 const uint32_t arch_type
= QEMU_ARCH
;
98 /***********************************************************/
99 /* ram save/restore */
101 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
102 #define RAM_SAVE_FLAG_COMPRESS 0x02
103 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
104 #define RAM_SAVE_FLAG_PAGE 0x08
105 #define RAM_SAVE_FLAG_EOS 0x10
106 #define RAM_SAVE_FLAG_CONTINUE 0x20
110 #define VECTYPE vector unsigned char
111 #define SPLAT(p) vec_splat(vec_ld(0, p), 0)
112 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
113 /* altivec.h may redefine the bool macro as vector type.
114 * Reset it to POSIX semantics. */
117 #elif defined __SSE2__
118 #include <emmintrin.h>
119 #define VECTYPE __m128i
120 #define SPLAT(p) _mm_set1_epi8(*(p))
121 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
123 #define VECTYPE unsigned long
124 #define SPLAT(p) (*(p) * (~0UL / 255))
125 #define ALL_EQ(v1, v2) ((v1) == (v2))
129 static struct defconfig_file
{
130 const char *filename
;
131 /* Indicates it is an user config file (disabled by -no-user-config) */
133 } default_config_files
[] = {
134 { CONFIG_QEMU_DATADIR
"/cpus-" TARGET_ARCH
".conf", false },
135 { CONFIG_QEMU_CONFDIR
"/qemu.conf", true },
136 { CONFIG_QEMU_CONFDIR
"/target-" TARGET_ARCH
".conf", true },
137 { NULL
}, /* end of list */
141 int qemu_read_default_config_files(bool userconfig
)
144 struct defconfig_file
*f
;
146 for (f
= default_config_files
; f
->filename
; f
++) {
147 if (!userconfig
&& f
->userconfig
) {
150 ret
= qemu_read_config_file(f
->filename
);
151 if (ret
< 0 && ret
!= -ENOENT
) {
159 static int is_dup_page(uint8_t *page
)
161 VECTYPE
*p
= (VECTYPE
*)page
;
162 VECTYPE val
= SPLAT(page
);
165 for (i
= 0; i
< TARGET_PAGE_SIZE
/ sizeof(VECTYPE
); i
++) {
166 if (!ALL_EQ(val
, p
[i
])) {
174 static void save_block_hdr(QEMUFile
*f
, RAMBlock
*block
, ram_addr_t offset
,
177 qemu_put_be64(f
, offset
| cont
| flag
);
179 qemu_put_byte(f
, strlen(block
->idstr
));
180 qemu_put_buffer(f
, (uint8_t *)block
->idstr
,
181 strlen(block
->idstr
));
186 static RAMBlock
*last_block
;
187 static ram_addr_t last_offset
;
189 static int ram_save_block(QEMUFile
*f
)
191 RAMBlock
*block
= last_block
;
192 ram_addr_t offset
= last_offset
;
197 block
= QLIST_FIRST(&ram_list
.blocks
);
201 if (memory_region_get_dirty(mr
, offset
, TARGET_PAGE_SIZE
,
202 DIRTY_MEMORY_MIGRATION
)) {
204 int cont
= (block
== last_block
) ? RAM_SAVE_FLAG_CONTINUE
: 0;
206 memory_region_reset_dirty(mr
, offset
, TARGET_PAGE_SIZE
,
207 DIRTY_MEMORY_MIGRATION
);
209 p
= memory_region_get_ram_ptr(mr
) + offset
;
211 if (is_dup_page(p
)) {
212 save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_COMPRESS
);
213 qemu_put_byte(f
, *p
);
216 save_block_hdr(f
, block
, offset
, cont
, RAM_SAVE_FLAG_PAGE
);
217 qemu_put_buffer(f
, p
, TARGET_PAGE_SIZE
);
218 bytes_sent
= TARGET_PAGE_SIZE
;
224 offset
+= TARGET_PAGE_SIZE
;
225 if (offset
>= block
->length
) {
227 block
= QLIST_NEXT(block
, next
);
229 block
= QLIST_FIRST(&ram_list
.blocks
);
231 } while (block
!= last_block
|| offset
!= last_offset
);
234 last_offset
= offset
;
239 static uint64_t bytes_transferred
;
241 static ram_addr_t
ram_save_remaining(void)
243 return ram_list
.dirty_pages
;
246 uint64_t ram_bytes_remaining(void)
248 return ram_save_remaining() * TARGET_PAGE_SIZE
;
251 uint64_t ram_bytes_transferred(void)
253 return bytes_transferred
;
256 uint64_t ram_bytes_total(void)
261 QLIST_FOREACH(block
, &ram_list
.blocks
, next
)
262 total
+= block
->length
;
267 static int block_compar(const void *a
, const void *b
)
269 RAMBlock
* const *ablock
= a
;
270 RAMBlock
* const *bblock
= b
;
272 return strcmp((*ablock
)->idstr
, (*bblock
)->idstr
);
275 static void sort_ram_list(void)
277 RAMBlock
*block
, *nblock
, **blocks
;
280 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
283 blocks
= g_malloc(n
* sizeof *blocks
);
285 QLIST_FOREACH_SAFE(block
, &ram_list
.blocks
, next
, nblock
) {
287 QLIST_REMOVE(block
, next
);
289 qsort(blocks
, n
, sizeof *blocks
, block_compar
);
291 QLIST_INSERT_HEAD(&ram_list
.blocks
, blocks
[n
], next
);
296 static void migration_end(void)
298 memory_global_dirty_log_stop();
301 #define MAX_WAIT 50 /* ms, half buffered_file limit */
303 int ram_save_live(QEMUFile
*f
, int stage
, void *opaque
)
306 uint64_t bytes_transferred_last
;
316 memory_global_sync_dirty_bitmap(get_system_memory());
320 bytes_transferred
= 0;
325 /* Make sure all dirty bits are set */
326 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
327 for (addr
= 0; addr
< block
->length
; addr
+= TARGET_PAGE_SIZE
) {
328 if (!memory_region_get_dirty(block
->mr
, addr
, TARGET_PAGE_SIZE
,
329 DIRTY_MEMORY_MIGRATION
)) {
330 memory_region_set_dirty(block
->mr
, addr
, TARGET_PAGE_SIZE
);
335 memory_global_dirty_log_start();
337 qemu_put_be64(f
, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE
);
339 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
340 qemu_put_byte(f
, strlen(block
->idstr
));
341 qemu_put_buffer(f
, (uint8_t *)block
->idstr
, strlen(block
->idstr
));
342 qemu_put_be64(f
, block
->length
);
346 bytes_transferred_last
= bytes_transferred
;
347 bwidth
= qemu_get_clock_ns(rt_clock
);
350 while ((ret
= qemu_file_rate_limit(f
)) == 0) {
353 bytes_sent
= ram_save_block(f
);
354 bytes_transferred
+= bytes_sent
;
355 if (bytes_sent
== 0) { /* no more blocks */
358 /* we want to check in the 1st loop, just in case it was the 1st time
359 and we had to sync the dirty bitmap.
360 qemu_get_clock_ns() is a bit expensive, so we only check each some
364 uint64_t t1
= (qemu_get_clock_ns(rt_clock
) - bwidth
) / 1000000;
366 DPRINTF("big wait: " PRIu64
" milliseconds, %d iterations\n",
378 bwidth
= qemu_get_clock_ns(rt_clock
) - bwidth
;
379 bwidth
= (bytes_transferred
- bytes_transferred_last
) / bwidth
;
381 /* if we haven't transferred anything this round, force expected_time to a
382 * a very high value, but without crashing */
387 /* try transferring iterative blocks of memory */
391 /* flush all remaining blocks regardless of rate limiting */
392 while ((bytes_sent
= ram_save_block(f
)) != 0) {
393 bytes_transferred
+= bytes_sent
;
395 memory_global_dirty_log_stop();
398 qemu_put_be64(f
, RAM_SAVE_FLAG_EOS
);
401 uint64_t expected_time
;
402 expected_time
= ram_save_remaining() * TARGET_PAGE_SIZE
/ bwidth
;
404 DPRINTF("ram_save_live: expected(" PRIu64
") <= max(" PRIu64
")?\n",
405 expected_time
, migrate_max_downtime());
407 return expected_time
<= migrate_max_downtime();
412 static inline void *host_from_stream_offset(QEMUFile
*f
,
416 static RAMBlock
*block
= NULL
;
420 if (flags
& RAM_SAVE_FLAG_CONTINUE
) {
422 fprintf(stderr
, "Ack, bad migration stream!\n");
426 return memory_region_get_ram_ptr(block
->mr
) + offset
;
429 len
= qemu_get_byte(f
);
430 qemu_get_buffer(f
, (uint8_t *)id
, len
);
433 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
434 if (!strncmp(id
, block
->idstr
, sizeof(id
)))
435 return memory_region_get_ram_ptr(block
->mr
) + offset
;
438 fprintf(stderr
, "Can't find block %s!\n", id
);
442 int ram_load(QEMUFile
*f
, void *opaque
, int version_id
)
447 static uint64_t seq_iter
;
451 if (version_id
< 4 || version_id
> 4) {
456 addr
= qemu_get_be64(f
);
458 flags
= addr
& ~TARGET_PAGE_MASK
;
459 addr
&= TARGET_PAGE_MASK
;
461 if (flags
& RAM_SAVE_FLAG_MEM_SIZE
) {
462 if (version_id
== 4) {
463 /* Synchronize RAM block list */
466 ram_addr_t total_ram_bytes
= addr
;
468 while (total_ram_bytes
) {
472 len
= qemu_get_byte(f
);
473 qemu_get_buffer(f
, (uint8_t *)id
, len
);
475 length
= qemu_get_be64(f
);
477 QLIST_FOREACH(block
, &ram_list
.blocks
, next
) {
478 if (!strncmp(id
, block
->idstr
, sizeof(id
))) {
479 if (block
->length
!= length
) {
488 fprintf(stderr
, "Unknown ramblock \"%s\", cannot "
489 "accept migration\n", id
);
494 total_ram_bytes
-= length
;
499 if (flags
& RAM_SAVE_FLAG_COMPRESS
) {
503 host
= host_from_stream_offset(f
, addr
, flags
);
508 ch
= qemu_get_byte(f
);
509 memset(host
, ch
, TARGET_PAGE_SIZE
);
512 (!kvm_enabled() || kvm_has_sync_mmu())) {
513 qemu_madvise(host
, TARGET_PAGE_SIZE
, QEMU_MADV_DONTNEED
);
516 } else if (flags
& RAM_SAVE_FLAG_PAGE
) {
519 host
= host_from_stream_offset(f
, addr
, flags
);
524 qemu_get_buffer(f
, host
, TARGET_PAGE_SIZE
);
526 error
= qemu_file_get_error(f
);
531 } while (!(flags
& RAM_SAVE_FLAG_EOS
));
534 DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64
"\n",
546 int (*init_isa
) (ISABus
*bus
);
547 int (*init_pci
) (PCIBus
*bus
);
551 static struct soundhw soundhw
[] = {
552 #ifdef HAS_AUDIO_CHOICE
559 { .init_isa
= pcspk_audio_init
}
566 "Creative Sound Blaster 16",
569 { .init_isa
= SB16_init
}
573 #ifdef CONFIG_CS4231A
579 { .init_isa
= cs4231a_init
}
587 "Yamaha YMF262 (OPL3)",
589 "Yamaha YM3812 (OPL2)",
593 { .init_isa
= Adlib_init
}
600 "Gravis Ultrasound GF1",
603 { .init_isa
= GUS_init
}
610 "Intel 82801AA AC97 Audio",
613 { .init_pci
= ac97_init
}
620 "ENSONIQ AudioPCI ES1370",
623 { .init_pci
= es1370_init
}
633 { .init_pci
= intel_hda_and_codec_init
}
637 #endif /* HAS_AUDIO_CHOICE */
639 { NULL
, NULL
, 0, 0, { NULL
} }
642 void select_soundhw(const char *optarg
)
646 if (*optarg
== '?') {
649 printf("Valid sound card names (comma separated):\n");
650 for (c
= soundhw
; c
->name
; ++c
) {
651 printf ("%-11s %s\n", c
->name
, c
->descr
);
653 printf("\n-soundhw all will enable all of the above\n");
654 exit(*optarg
!= '?');
662 if (!strcmp(optarg
, "all")) {
663 for (c
= soundhw
; c
->name
; ++c
) {
672 l
= !e
? strlen(p
) : (size_t) (e
- p
);
674 for (c
= soundhw
; c
->name
; ++c
) {
675 if (!strncmp(c
->name
, p
, l
) && !c
->name
[l
]) {
684 "Unknown sound card name (too big to show)\n");
687 fprintf(stderr
, "Unknown sound card name `%.*s'\n",
692 p
+= l
+ (e
!= NULL
);
696 goto show_valid_cards
;
701 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
705 for (c
= soundhw
; c
->name
; ++c
) {
709 c
->init
.init_isa(isa_bus
);
713 c
->init
.init_pci(pci_bus
);
720 void select_soundhw(const char *optarg
)
723 void audio_init(ISABus
*isa_bus
, PCIBus
*pci_bus
)
728 int qemu_uuid_parse(const char *str
, uint8_t *uuid
)
732 if (strlen(str
) != 36) {
736 ret
= sscanf(str
, UUID_FMT
, &uuid
[0], &uuid
[1], &uuid
[2], &uuid
[3],
737 &uuid
[4], &uuid
[5], &uuid
[6], &uuid
[7], &uuid
[8], &uuid
[9],
738 &uuid
[10], &uuid
[11], &uuid
[12], &uuid
[13], &uuid
[14],
745 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
), 16, uuid
);
750 void do_acpitable_option(const char *optarg
)
753 if (acpi_table_add(optarg
) < 0) {
754 fprintf(stderr
, "Wrong acpi table provided\n");
760 void do_smbios_option(const char *optarg
)
763 if (smbios_entry_add(optarg
) < 0) {
764 fprintf(stderr
, "Wrong smbios provided\n");
770 void cpudef_init(void)
772 #if defined(cpudef_setup)
773 cpudef_setup(); /* parse cpu definitions in target config file */
777 int audio_available(void)
786 int tcg_available(void)
791 int kvm_available(void)
800 int xen_available(void)