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 int graphic_width = 1024;
48 int graphic_height = 768;
49 int graphic_depth = 8;
51 int graphic_width = 800;
52 int graphic_height = 600;
53 int graphic_depth = 15;
56 const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
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))
114 static int is_dup_page(uint8_t *page)
116 VECTYPE *p = (VECTYPE *)page;
117 VECTYPE val = SPLAT(page);
120 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
121 if (!ALL_EQ(val, p[i])) {
129 static RAMBlock *last_block;
130 static ram_addr_t last_offset;
132 static int ram_save_block(QEMUFile *f)
134 RAMBlock *block = last_block;
135 ram_addr_t offset = last_offset;
140 block = QLIST_FIRST(&ram_list.blocks);
144 if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
145 DIRTY_MEMORY_MIGRATION)) {
147 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
149 memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
150 DIRTY_MEMORY_MIGRATION);
152 p = memory_region_get_ram_ptr(mr) + offset;
154 if (is_dup_page(p)) {
155 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
157 qemu_put_byte(f, strlen(block->idstr));
158 qemu_put_buffer(f, (uint8_t *)block->idstr,
159 strlen(block->idstr));
161 qemu_put_byte(f, *p);
164 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
166 qemu_put_byte(f, strlen(block->idstr));
167 qemu_put_buffer(f, (uint8_t *)block->idstr,
168 strlen(block->idstr));
170 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
171 bytes_sent = TARGET_PAGE_SIZE;
177 offset += TARGET_PAGE_SIZE;
178 if (offset >= block->length) {
180 block = QLIST_NEXT(block, next);
182 block = QLIST_FIRST(&ram_list.blocks);
184 } while (block != last_block || offset != last_offset);
187 last_offset = offset;
192 static uint64_t bytes_transferred;
194 static ram_addr_t ram_save_remaining(void)
197 ram_addr_t count = 0;
199 QLIST_FOREACH(block, &ram_list.blocks, next) {
201 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
202 if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
203 DIRTY_MEMORY_MIGRATION)) {
212 uint64_t ram_bytes_remaining(void)
214 return ram_save_remaining() * TARGET_PAGE_SIZE;
217 uint64_t ram_bytes_transferred(void)
219 return bytes_transferred;
222 uint64_t ram_bytes_total(void)
227 QLIST_FOREACH(block, &ram_list.blocks, next)
228 total += block->length;
233 static int block_compar(const void *a, const void *b)
235 RAMBlock * const *ablock = a;
236 RAMBlock * const *bblock = b;
238 return strcmp((*ablock)->idstr, (*bblock)->idstr);
241 static void sort_ram_list(void)
243 RAMBlock *block, *nblock, **blocks;
246 QLIST_FOREACH(block, &ram_list.blocks, next) {
249 blocks = g_malloc(n * sizeof *blocks);
251 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
253 QLIST_REMOVE(block, next);
255 qsort(blocks, n, sizeof *blocks, block_compar);
257 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
262 int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
265 uint64_t bytes_transferred_last;
267 uint64_t expected_time = 0;
271 memory_global_dirty_log_stop();
275 memory_global_sync_dirty_bitmap(get_system_memory());
279 bytes_transferred = 0;
284 /* Make sure all dirty bits are set */
285 QLIST_FOREACH(block, &ram_list.blocks, next) {
286 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
287 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
288 DIRTY_MEMORY_MIGRATION)) {
289 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
294 memory_global_dirty_log_start();
296 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
298 QLIST_FOREACH(block, &ram_list.blocks, next) {
299 qemu_put_byte(f, strlen(block->idstr));
300 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
301 qemu_put_be64(f, block->length);
305 bytes_transferred_last = bytes_transferred;
306 bwidth = qemu_get_clock_ns(rt_clock);
308 while ((ret = qemu_file_rate_limit(f)) == 0) {
311 bytes_sent = ram_save_block(f);
312 bytes_transferred += bytes_sent;
313 if (bytes_sent == 0) { /* no more blocks */
322 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
323 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
325 /* if we haven't transferred anything this round, force expected_time to a
326 * a very high value, but without crashing */
331 /* try transferring iterative blocks of memory */
335 /* flush all remaining blocks regardless of rate limiting */
336 while ((bytes_sent = ram_save_block(f)) != 0) {
337 bytes_transferred += bytes_sent;
339 memory_global_dirty_log_stop();
342 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
344 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
346 return (stage == 2) && (expected_time <= migrate_max_downtime());
349 static inline void *host_from_stream_offset(QEMUFile *f,
353 static RAMBlock *block = NULL;
357 if (flags & RAM_SAVE_FLAG_CONTINUE) {
359 fprintf(stderr, "Ack, bad migration stream!\n");
363 return memory_region_get_ram_ptr(block->mr) + offset;
366 len = qemu_get_byte(f);
367 qemu_get_buffer(f, (uint8_t *)id, len);
370 QLIST_FOREACH(block, &ram_list.blocks, next) {
371 if (!strncmp(id, block->idstr, sizeof(id)))
372 return memory_region_get_ram_ptr(block->mr) + offset;
375 fprintf(stderr, "Can't find block %s!\n", id);
379 int ram_load(QEMUFile *f, void *opaque, int version_id)
385 if (version_id < 4 || version_id > 4) {
390 addr = qemu_get_be64(f);
392 flags = addr & ~TARGET_PAGE_MASK;
393 addr &= TARGET_PAGE_MASK;
395 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
396 if (version_id == 4) {
397 /* Synchronize RAM block list */
400 ram_addr_t total_ram_bytes = addr;
402 while (total_ram_bytes) {
406 len = qemu_get_byte(f);
407 qemu_get_buffer(f, (uint8_t *)id, len);
409 length = qemu_get_be64(f);
411 QLIST_FOREACH(block, &ram_list.blocks, next) {
412 if (!strncmp(id, block->idstr, sizeof(id))) {
413 if (block->length != length)
420 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
421 "accept migration\n", id);
425 total_ram_bytes -= length;
430 if (flags & RAM_SAVE_FLAG_COMPRESS) {
434 host = host_from_stream_offset(f, addr, flags);
439 ch = qemu_get_byte(f);
440 memset(host, ch, TARGET_PAGE_SIZE);
443 (!kvm_enabled() || kvm_has_sync_mmu())) {
444 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
447 } else if (flags & RAM_SAVE_FLAG_PAGE) {
450 host = host_from_stream_offset(f, addr, flags);
452 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
454 error = qemu_file_get_error(f);
458 } while (!(flags & RAM_SAVE_FLAG_EOS));
470 int (*init_isa) (ISABus *bus);
471 int (*init_pci) (PCIBus *bus);
475 static struct soundhw soundhw[] = {
476 #ifdef HAS_AUDIO_CHOICE
477 #if defined(TARGET_I386) || defined(TARGET_MIPS)
483 { .init_isa = pcspk_audio_init }
490 "Creative Sound Blaster 16",
493 { .init_isa = SB16_init }
497 #ifdef CONFIG_CS4231A
503 { .init_isa = cs4231a_init }
511 "Yamaha YMF262 (OPL3)",
513 "Yamaha YM3812 (OPL2)",
517 { .init_isa = Adlib_init }
524 "Gravis Ultrasound GF1",
527 { .init_isa = GUS_init }
534 "Intel 82801AA AC97 Audio",
537 { .init_pci = ac97_init }
544 "ENSONIQ AudioPCI ES1370",
547 { .init_pci = es1370_init }
557 { .init_pci = intel_hda_and_codec_init }
561 #endif /* HAS_AUDIO_CHOICE */
563 { NULL, NULL, 0, 0, { NULL } }
566 void select_soundhw(const char *optarg)
570 if (*optarg == '?') {
573 printf("Valid sound card names (comma separated):\n");
574 for (c = soundhw; c->name; ++c) {
575 printf ("%-11s %s\n", c->name, c->descr);
577 printf("\n-soundhw all will enable all of the above\n");
578 exit(*optarg != '?');
586 if (!strcmp(optarg, "all")) {
587 for (c = soundhw; c->name; ++c) {
596 l = !e ? strlen(p) : (size_t) (e - p);
598 for (c = soundhw; c->name; ++c) {
599 if (!strncmp(c->name, p, l) && !c->name[l]) {
608 "Unknown sound card name (too big to show)\n");
611 fprintf(stderr, "Unknown sound card name `%.*s'\n",
616 p += l + (e != NULL);
620 goto show_valid_cards;
625 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
629 for (c = soundhw; c->name; ++c) {
633 c->init.init_isa(isa_bus);
637 c->init.init_pci(pci_bus);
644 void select_soundhw(const char *optarg)
647 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
652 int qemu_uuid_parse(const char *str, uint8_t *uuid)
656 if (strlen(str) != 36) {
660 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
661 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
662 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
669 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
674 void do_acpitable_option(const char *optarg)
677 if (acpi_table_add(optarg) < 0) {
678 fprintf(stderr, "Wrong acpi table provided\n");
684 void do_smbios_option(const char *optarg)
687 if (smbios_entry_add(optarg) < 0) {
688 fprintf(stderr, "Wrong smbios provided\n");
694 void cpudef_init(void)
696 #if defined(cpudef_setup)
697 cpudef_setup(); /* parse cpu definitions in target config file */
701 int audio_available(void)
710 int tcg_available(void)
715 int kvm_available(void)
724 int xen_available(void)