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 /* Indicates it is an user config file (disabled by -no-user-config) */
119 } default_config_files[] = {
120 { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf", false },
121 { CONFIG_QEMU_CONFDIR "/qemu.conf", true },
122 { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
123 { NULL }, /* end of list */
127 int qemu_read_default_config_files(bool userconfig)
130 struct defconfig_file *f;
132 for (f = default_config_files; f->filename; f++) {
133 if (!userconfig && f->userconfig) {
136 ret = qemu_read_config_file(f->filename);
137 if (ret < 0 && ret != -ENOENT) {
145 static int is_dup_page(uint8_t *page)
147 VECTYPE *p = (VECTYPE *)page;
148 VECTYPE val = SPLAT(page);
151 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
152 if (!ALL_EQ(val, p[i])) {
160 static RAMBlock *last_block;
161 static ram_addr_t last_offset;
163 static int ram_save_block(QEMUFile *f)
165 RAMBlock *block = last_block;
166 ram_addr_t offset = last_offset;
171 block = QLIST_FIRST(&ram_list.blocks);
175 if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
176 DIRTY_MEMORY_MIGRATION)) {
178 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
180 memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
181 DIRTY_MEMORY_MIGRATION);
183 p = memory_region_get_ram_ptr(mr) + offset;
185 if (is_dup_page(p)) {
186 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
188 qemu_put_byte(f, strlen(block->idstr));
189 qemu_put_buffer(f, (uint8_t *)block->idstr,
190 strlen(block->idstr));
192 qemu_put_byte(f, *p);
195 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
197 qemu_put_byte(f, strlen(block->idstr));
198 qemu_put_buffer(f, (uint8_t *)block->idstr,
199 strlen(block->idstr));
201 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
202 bytes_sent = TARGET_PAGE_SIZE;
208 offset += TARGET_PAGE_SIZE;
209 if (offset >= block->length) {
211 block = QLIST_NEXT(block, next);
213 block = QLIST_FIRST(&ram_list.blocks);
215 } while (block != last_block || offset != last_offset);
218 last_offset = offset;
223 static uint64_t bytes_transferred;
225 static ram_addr_t ram_save_remaining(void)
228 ram_addr_t count = 0;
230 QLIST_FOREACH(block, &ram_list.blocks, next) {
232 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
233 if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
234 DIRTY_MEMORY_MIGRATION)) {
243 uint64_t ram_bytes_remaining(void)
245 return ram_save_remaining() * TARGET_PAGE_SIZE;
248 uint64_t ram_bytes_transferred(void)
250 return bytes_transferred;
253 uint64_t ram_bytes_total(void)
258 QLIST_FOREACH(block, &ram_list.blocks, next)
259 total += block->length;
264 static int block_compar(const void *a, const void *b)
266 RAMBlock * const *ablock = a;
267 RAMBlock * const *bblock = b;
269 return strcmp((*ablock)->idstr, (*bblock)->idstr);
272 static void sort_ram_list(void)
274 RAMBlock *block, *nblock, **blocks;
277 QLIST_FOREACH(block, &ram_list.blocks, next) {
280 blocks = g_malloc(n * sizeof *blocks);
282 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
284 QLIST_REMOVE(block, next);
286 qsort(blocks, n, sizeof *blocks, block_compar);
288 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
293 int ram_save_live(QEMUFile *f, int stage, void *opaque)
296 uint64_t bytes_transferred_last;
298 uint64_t expected_time = 0;
302 memory_global_dirty_log_stop();
306 memory_global_sync_dirty_bitmap(get_system_memory());
310 bytes_transferred = 0;
315 /* Make sure all dirty bits are set */
316 QLIST_FOREACH(block, &ram_list.blocks, next) {
317 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
318 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
319 DIRTY_MEMORY_MIGRATION)) {
320 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
325 memory_global_dirty_log_start();
327 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
329 QLIST_FOREACH(block, &ram_list.blocks, next) {
330 qemu_put_byte(f, strlen(block->idstr));
331 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
332 qemu_put_be64(f, block->length);
336 bytes_transferred_last = bytes_transferred;
337 bwidth = qemu_get_clock_ns(rt_clock);
339 while ((ret = qemu_file_rate_limit(f)) == 0) {
342 bytes_sent = ram_save_block(f);
343 bytes_transferred += bytes_sent;
344 if (bytes_sent == 0) { /* no more blocks */
353 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
354 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
356 /* if we haven't transferred anything this round, force expected_time to a
357 * a very high value, but without crashing */
362 /* try transferring iterative blocks of memory */
366 /* flush all remaining blocks regardless of rate limiting */
367 while ((bytes_sent = ram_save_block(f)) != 0) {
368 bytes_transferred += bytes_sent;
370 memory_global_dirty_log_stop();
373 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
375 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
377 return (stage == 2) && (expected_time <= migrate_max_downtime());
380 static inline void *host_from_stream_offset(QEMUFile *f,
384 static RAMBlock *block = NULL;
388 if (flags & RAM_SAVE_FLAG_CONTINUE) {
390 fprintf(stderr, "Ack, bad migration stream!\n");
394 return memory_region_get_ram_ptr(block->mr) + offset;
397 len = qemu_get_byte(f);
398 qemu_get_buffer(f, (uint8_t *)id, len);
401 QLIST_FOREACH(block, &ram_list.blocks, next) {
402 if (!strncmp(id, block->idstr, sizeof(id)))
403 return memory_region_get_ram_ptr(block->mr) + offset;
406 fprintf(stderr, "Can't find block %s!\n", id);
410 int ram_load(QEMUFile *f, void *opaque, int version_id)
416 if (version_id < 4 || version_id > 4) {
421 addr = qemu_get_be64(f);
423 flags = addr & ~TARGET_PAGE_MASK;
424 addr &= TARGET_PAGE_MASK;
426 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
427 if (version_id == 4) {
428 /* Synchronize RAM block list */
431 ram_addr_t total_ram_bytes = addr;
433 while (total_ram_bytes) {
437 len = qemu_get_byte(f);
438 qemu_get_buffer(f, (uint8_t *)id, len);
440 length = qemu_get_be64(f);
442 QLIST_FOREACH(block, &ram_list.blocks, next) {
443 if (!strncmp(id, block->idstr, sizeof(id))) {
444 if (block->length != length)
451 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
452 "accept migration\n", id);
456 total_ram_bytes -= length;
461 if (flags & RAM_SAVE_FLAG_COMPRESS) {
465 host = host_from_stream_offset(f, addr, flags);
470 ch = qemu_get_byte(f);
471 memset(host, ch, TARGET_PAGE_SIZE);
474 (!kvm_enabled() || kvm_has_sync_mmu())) {
475 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
478 } else if (flags & RAM_SAVE_FLAG_PAGE) {
481 host = host_from_stream_offset(f, addr, flags);
483 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
485 error = qemu_file_get_error(f);
489 } while (!(flags & RAM_SAVE_FLAG_EOS));
501 int (*init_isa) (ISABus *bus);
502 int (*init_pci) (PCIBus *bus);
506 static struct soundhw soundhw[] = {
507 #ifdef HAS_AUDIO_CHOICE
514 { .init_isa = pcspk_audio_init }
521 "Creative Sound Blaster 16",
524 { .init_isa = SB16_init }
528 #ifdef CONFIG_CS4231A
534 { .init_isa = cs4231a_init }
542 "Yamaha YMF262 (OPL3)",
544 "Yamaha YM3812 (OPL2)",
548 { .init_isa = Adlib_init }
555 "Gravis Ultrasound GF1",
558 { .init_isa = GUS_init }
565 "Intel 82801AA AC97 Audio",
568 { .init_pci = ac97_init }
575 "ENSONIQ AudioPCI ES1370",
578 { .init_pci = es1370_init }
588 { .init_pci = intel_hda_and_codec_init }
592 #endif /* HAS_AUDIO_CHOICE */
594 { NULL, NULL, 0, 0, { NULL } }
597 void select_soundhw(const char *optarg)
601 if (*optarg == '?') {
604 printf("Valid sound card names (comma separated):\n");
605 for (c = soundhw; c->name; ++c) {
606 printf ("%-11s %s\n", c->name, c->descr);
608 printf("\n-soundhw all will enable all of the above\n");
609 exit(*optarg != '?');
617 if (!strcmp(optarg, "all")) {
618 for (c = soundhw; c->name; ++c) {
627 l = !e ? strlen(p) : (size_t) (e - p);
629 for (c = soundhw; c->name; ++c) {
630 if (!strncmp(c->name, p, l) && !c->name[l]) {
639 "Unknown sound card name (too big to show)\n");
642 fprintf(stderr, "Unknown sound card name `%.*s'\n",
647 p += l + (e != NULL);
651 goto show_valid_cards;
656 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
660 for (c = soundhw; c->name; ++c) {
664 c->init.init_isa(isa_bus);
668 c->init.init_pci(pci_bus);
675 void select_soundhw(const char *optarg)
678 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
683 int qemu_uuid_parse(const char *str, uint8_t *uuid)
687 if (strlen(str) != 36) {
691 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
692 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
693 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
700 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
705 void do_acpitable_option(const char *optarg)
708 if (acpi_table_add(optarg) < 0) {
709 fprintf(stderr, "Wrong acpi table provided\n");
715 void do_smbios_option(const char *optarg)
718 if (smbios_entry_add(optarg) < 0) {
719 fprintf(stderr, "Wrong smbios provided\n");
725 void cpudef_init(void)
727 #if defined(cpudef_setup)
728 cpudef_setup(); /* parse cpu definitions in target config file */
732 int audio_available(void)
741 int tcg_available(void)
746 int kvm_available(void)
755 int xen_available(void)