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_PPC)
83 #define QEMU_ARCH QEMU_ARCH_PPC
84 #elif defined(TARGET_S390X)
85 #define QEMU_ARCH QEMU_ARCH_S390X
86 #elif defined(TARGET_SH4)
87 #define QEMU_ARCH QEMU_ARCH_SH4
88 #elif defined(TARGET_SPARC)
89 #define QEMU_ARCH QEMU_ARCH_SPARC
90 #elif defined(TARGET_XTENSA)
91 #define QEMU_ARCH QEMU_ARCH_XTENSA
94 const uint32_t arch_type = QEMU_ARCH;
96 /***********************************************************/
97 /* ram save/restore */
99 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
100 #define RAM_SAVE_FLAG_COMPRESS 0x02
101 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
102 #define RAM_SAVE_FLAG_PAGE 0x08
103 #define RAM_SAVE_FLAG_EOS 0x10
104 #define RAM_SAVE_FLAG_CONTINUE 0x20
108 #define VECTYPE vector unsigned char
109 #define SPLAT(p) vec_splat(vec_ld(0, p), 0)
110 #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
111 /* altivec.h may redefine the bool macro as vector type.
112 * Reset it to POSIX semantics. */
115 #elif defined __SSE2__
116 #include <emmintrin.h>
117 #define VECTYPE __m128i
118 #define SPLAT(p) _mm_set1_epi8(*(p))
119 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
121 #define VECTYPE unsigned long
122 #define SPLAT(p) (*(p) * (~0UL / 255))
123 #define ALL_EQ(v1, v2) ((v1) == (v2))
127 static struct defconfig_file {
128 const char *filename;
129 /* Indicates it is an user config file (disabled by -no-user-config) */
131 } default_config_files[] = {
132 { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf", false },
133 { CONFIG_QEMU_CONFDIR "/qemu.conf", true },
134 { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
135 { NULL }, /* end of list */
139 int qemu_read_default_config_files(bool userconfig)
142 struct defconfig_file *f;
144 for (f = default_config_files; f->filename; f++) {
145 if (!userconfig && f->userconfig) {
148 ret = qemu_read_config_file(f->filename);
149 if (ret < 0 && ret != -ENOENT) {
157 static int is_dup_page(uint8_t *page)
159 VECTYPE *p = (VECTYPE *)page;
160 VECTYPE val = SPLAT(page);
163 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
164 if (!ALL_EQ(val, p[i])) {
172 static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
175 qemu_put_be64(f, offset | cont | flag);
177 qemu_put_byte(f, strlen(block->idstr));
178 qemu_put_buffer(f, (uint8_t *)block->idstr,
179 strlen(block->idstr));
184 static RAMBlock *last_block;
185 static ram_addr_t last_offset;
187 static int ram_save_block(QEMUFile *f)
189 RAMBlock *block = last_block;
190 ram_addr_t offset = last_offset;
195 block = QLIST_FIRST(&ram_list.blocks);
199 if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
200 DIRTY_MEMORY_MIGRATION)) {
202 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
204 memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
205 DIRTY_MEMORY_MIGRATION);
207 p = memory_region_get_ram_ptr(mr) + offset;
209 if (is_dup_page(p)) {
210 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
211 qemu_put_byte(f, *p);
214 save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
215 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
216 bytes_sent = TARGET_PAGE_SIZE;
222 offset += TARGET_PAGE_SIZE;
223 if (offset >= block->length) {
225 block = QLIST_NEXT(block, next);
227 block = QLIST_FIRST(&ram_list.blocks);
229 } while (block != last_block || offset != last_offset);
232 last_offset = offset;
237 static uint64_t bytes_transferred;
239 static ram_addr_t ram_save_remaining(void)
241 return ram_list.dirty_pages;
244 uint64_t ram_bytes_remaining(void)
246 return ram_save_remaining() * TARGET_PAGE_SIZE;
249 uint64_t ram_bytes_transferred(void)
251 return bytes_transferred;
254 uint64_t ram_bytes_total(void)
259 QLIST_FOREACH(block, &ram_list.blocks, next)
260 total += block->length;
265 static int block_compar(const void *a, const void *b)
267 RAMBlock * const *ablock = a;
268 RAMBlock * const *bblock = b;
270 return strcmp((*ablock)->idstr, (*bblock)->idstr);
273 static void sort_ram_list(void)
275 RAMBlock *block, *nblock, **blocks;
278 QLIST_FOREACH(block, &ram_list.blocks, next) {
281 blocks = g_malloc(n * sizeof *blocks);
283 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
285 QLIST_REMOVE(block, next);
287 qsort(blocks, n, sizeof *blocks, block_compar);
289 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
294 static void migration_end(void)
296 memory_global_dirty_log_stop();
299 #define MAX_WAIT 50 /* ms, half buffered_file limit */
301 int ram_save_live(QEMUFile *f, int stage, void *opaque)
304 uint64_t bytes_transferred_last;
314 memory_global_sync_dirty_bitmap(get_system_memory());
318 bytes_transferred = 0;
323 /* Make sure all dirty bits are set */
324 QLIST_FOREACH(block, &ram_list.blocks, next) {
325 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
326 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
327 DIRTY_MEMORY_MIGRATION)) {
328 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
333 memory_global_dirty_log_start();
335 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
337 QLIST_FOREACH(block, &ram_list.blocks, next) {
338 qemu_put_byte(f, strlen(block->idstr));
339 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
340 qemu_put_be64(f, block->length);
344 bytes_transferred_last = bytes_transferred;
345 bwidth = qemu_get_clock_ns(rt_clock);
348 while ((ret = qemu_file_rate_limit(f)) == 0) {
351 bytes_sent = ram_save_block(f);
352 bytes_transferred += bytes_sent;
353 if (bytes_sent == 0) { /* no more blocks */
356 /* we want to check in the 1st loop, just in case it was the 1st time
357 and we had to sync the dirty bitmap.
358 qemu_get_clock_ns() is a bit expensive, so we only check each some
362 uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
364 DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
376 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
377 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
379 /* if we haven't transferred anything this round, force expected_time to a
380 * a very high value, but without crashing */
385 /* try transferring iterative blocks of memory */
389 /* flush all remaining blocks regardless of rate limiting */
390 while ((bytes_sent = ram_save_block(f)) != 0) {
391 bytes_transferred += bytes_sent;
393 memory_global_dirty_log_stop();
396 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
399 uint64_t expected_time;
400 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
402 DPRINTF("ram_save_live: expected(" PRIu64 ") <= max(" PRIu64 ")?\n",
403 expected_time, migrate_max_downtime());
405 return expected_time <= migrate_max_downtime();
410 static inline void *host_from_stream_offset(QEMUFile *f,
414 static RAMBlock *block = NULL;
418 if (flags & RAM_SAVE_FLAG_CONTINUE) {
420 fprintf(stderr, "Ack, bad migration stream!\n");
424 return memory_region_get_ram_ptr(block->mr) + offset;
427 len = qemu_get_byte(f);
428 qemu_get_buffer(f, (uint8_t *)id, len);
431 QLIST_FOREACH(block, &ram_list.blocks, next) {
432 if (!strncmp(id, block->idstr, sizeof(id)))
433 return memory_region_get_ram_ptr(block->mr) + offset;
436 fprintf(stderr, "Can't find block %s!\n", id);
440 int ram_load(QEMUFile *f, void *opaque, int version_id)
445 static uint64_t seq_iter;
449 if (version_id < 4 || version_id > 4) {
454 addr = qemu_get_be64(f);
456 flags = addr & ~TARGET_PAGE_MASK;
457 addr &= TARGET_PAGE_MASK;
459 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
460 if (version_id == 4) {
461 /* Synchronize RAM block list */
464 ram_addr_t total_ram_bytes = addr;
466 while (total_ram_bytes) {
470 len = qemu_get_byte(f);
471 qemu_get_buffer(f, (uint8_t *)id, len);
473 length = qemu_get_be64(f);
475 QLIST_FOREACH(block, &ram_list.blocks, next) {
476 if (!strncmp(id, block->idstr, sizeof(id))) {
477 if (block->length != length) {
486 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
487 "accept migration\n", id);
492 total_ram_bytes -= length;
497 if (flags & RAM_SAVE_FLAG_COMPRESS) {
501 host = host_from_stream_offset(f, addr, flags);
506 ch = qemu_get_byte(f);
507 memset(host, ch, TARGET_PAGE_SIZE);
510 (!kvm_enabled() || kvm_has_sync_mmu())) {
511 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
514 } else if (flags & RAM_SAVE_FLAG_PAGE) {
517 host = host_from_stream_offset(f, addr, flags);
522 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
524 error = qemu_file_get_error(f);
529 } while (!(flags & RAM_SAVE_FLAG_EOS));
532 DPRINTF("Completed load of VM with exit code %d seq iteration " PRIu64 "\n",
544 int (*init_isa) (ISABus *bus);
545 int (*init_pci) (PCIBus *bus);
549 static struct soundhw soundhw[] = {
550 #ifdef HAS_AUDIO_CHOICE
557 { .init_isa = pcspk_audio_init }
564 "Creative Sound Blaster 16",
567 { .init_isa = SB16_init }
571 #ifdef CONFIG_CS4231A
577 { .init_isa = cs4231a_init }
585 "Yamaha YMF262 (OPL3)",
587 "Yamaha YM3812 (OPL2)",
591 { .init_isa = Adlib_init }
598 "Gravis Ultrasound GF1",
601 { .init_isa = GUS_init }
608 "Intel 82801AA AC97 Audio",
611 { .init_pci = ac97_init }
618 "ENSONIQ AudioPCI ES1370",
621 { .init_pci = es1370_init }
631 { .init_pci = intel_hda_and_codec_init }
635 #endif /* HAS_AUDIO_CHOICE */
637 { NULL, NULL, 0, 0, { NULL } }
640 void select_soundhw(const char *optarg)
644 if (*optarg == '?') {
647 printf("Valid sound card names (comma separated):\n");
648 for (c = soundhw; c->name; ++c) {
649 printf ("%-11s %s\n", c->name, c->descr);
651 printf("\n-soundhw all will enable all of the above\n");
652 exit(*optarg != '?');
660 if (!strcmp(optarg, "all")) {
661 for (c = soundhw; c->name; ++c) {
670 l = !e ? strlen(p) : (size_t) (e - p);
672 for (c = soundhw; c->name; ++c) {
673 if (!strncmp(c->name, p, l) && !c->name[l]) {
682 "Unknown sound card name (too big to show)\n");
685 fprintf(stderr, "Unknown sound card name `%.*s'\n",
690 p += l + (e != NULL);
694 goto show_valid_cards;
699 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
703 for (c = soundhw; c->name; ++c) {
707 c->init.init_isa(isa_bus);
711 c->init.init_pci(pci_bus);
718 void select_soundhw(const char *optarg)
721 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
726 int qemu_uuid_parse(const char *str, uint8_t *uuid)
730 if (strlen(str) != 36) {
734 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
735 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
736 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
743 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
748 void do_acpitable_option(const char *optarg)
751 if (acpi_table_add(optarg) < 0) {
752 fprintf(stderr, "Wrong acpi table provided\n");
758 void do_smbios_option(const char *optarg)
761 if (smbios_entry_add(optarg) < 0) {
762 fprintf(stderr, "Wrong smbios provided\n");
768 void cpudef_init(void)
770 #if defined(cpudef_setup)
771 cpudef_setup(); /* parse cpu definitions in target config file */
775 int audio_available(void)
784 int tcg_available(void)
789 int kvm_available(void)
798 int xen_available(void)