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
98 static int is_dup_page(uint8_t *page, uint8_t ch)
100 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
101 uint32_t *array = (uint32_t *)page;
104 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
105 if (array[i] != val) {
113 static RAMBlock *last_block;
114 static ram_addr_t last_offset;
116 static int ram_save_block(QEMUFile *f)
118 RAMBlock *block = last_block;
119 ram_addr_t offset = last_offset;
120 ram_addr_t current_addr;
124 block = QLIST_FIRST(&ram_list.blocks);
126 current_addr = block->offset + offset;
129 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
131 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
133 cpu_physical_memory_reset_dirty(current_addr,
134 current_addr + TARGET_PAGE_SIZE,
135 MIGRATION_DIRTY_FLAG);
137 p = block->host + offset;
139 if (is_dup_page(p, *p)) {
140 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
142 qemu_put_byte(f, strlen(block->idstr));
143 qemu_put_buffer(f, (uint8_t *)block->idstr,
144 strlen(block->idstr));
146 qemu_put_byte(f, *p);
149 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
151 qemu_put_byte(f, strlen(block->idstr));
152 qemu_put_buffer(f, (uint8_t *)block->idstr,
153 strlen(block->idstr));
155 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
156 bytes_sent = TARGET_PAGE_SIZE;
162 offset += TARGET_PAGE_SIZE;
163 if (offset >= block->length) {
165 block = QLIST_NEXT(block, next);
167 block = QLIST_FIRST(&ram_list.blocks);
170 current_addr = block->offset + offset;
172 } while (current_addr != last_block->offset + last_offset);
175 last_offset = offset;
180 static uint64_t bytes_transferred;
182 static ram_addr_t ram_save_remaining(void)
185 ram_addr_t count = 0;
187 QLIST_FOREACH(block, &ram_list.blocks, next) {
189 for (addr = block->offset; addr < block->offset + block->length;
190 addr += TARGET_PAGE_SIZE) {
191 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
200 uint64_t ram_bytes_remaining(void)
202 return ram_save_remaining() * TARGET_PAGE_SIZE;
205 uint64_t ram_bytes_transferred(void)
207 return bytes_transferred;
210 uint64_t ram_bytes_total(void)
215 QLIST_FOREACH(block, &ram_list.blocks, next)
216 total += block->length;
221 static int block_compar(const void *a, const void *b)
223 RAMBlock * const *ablock = a;
224 RAMBlock * const *bblock = b;
225 if ((*ablock)->offset < (*bblock)->offset) {
227 } else if ((*ablock)->offset > (*bblock)->offset) {
233 static void sort_ram_list(void)
235 RAMBlock *block, *nblock, **blocks;
238 QLIST_FOREACH(block, &ram_list.blocks, next) {
241 blocks = g_malloc(n * sizeof *blocks);
243 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
245 QLIST_REMOVE(block, next);
247 qsort(blocks, n, sizeof *blocks, block_compar);
249 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
254 int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
257 uint64_t bytes_transferred_last;
259 uint64_t expected_time = 0;
263 cpu_physical_memory_set_dirty_tracking(0);
267 memory_global_sync_dirty_bitmap(get_system_memory());
271 bytes_transferred = 0;
276 /* Make sure all dirty bits are set */
277 QLIST_FOREACH(block, &ram_list.blocks, next) {
278 for (addr = block->offset; addr < block->offset + block->length;
279 addr += TARGET_PAGE_SIZE) {
280 if (!cpu_physical_memory_get_dirty(addr,
281 MIGRATION_DIRTY_FLAG)) {
282 cpu_physical_memory_set_dirty(addr);
287 /* Enable dirty memory tracking */
288 cpu_physical_memory_set_dirty_tracking(1);
290 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
292 QLIST_FOREACH(block, &ram_list.blocks, next) {
293 qemu_put_byte(f, strlen(block->idstr));
294 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
295 qemu_put_be64(f, block->length);
299 bytes_transferred_last = bytes_transferred;
300 bwidth = qemu_get_clock_ns(rt_clock);
302 while ((ret = qemu_file_rate_limit(f)) == 0) {
305 bytes_sent = ram_save_block(f);
306 bytes_transferred += bytes_sent;
307 if (bytes_sent == 0) { /* no more blocks */
316 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
317 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
319 /* if we haven't transferred anything this round, force expected_time to a
320 * a very high value, but without crashing */
325 /* try transferring iterative blocks of memory */
329 /* flush all remaining blocks regardless of rate limiting */
330 while ((bytes_sent = ram_save_block(f)) != 0) {
331 bytes_transferred += bytes_sent;
333 cpu_physical_memory_set_dirty_tracking(0);
336 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
338 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
340 return (stage == 2) && (expected_time <= migrate_max_downtime());
343 static inline void *host_from_stream_offset(QEMUFile *f,
347 static RAMBlock *block = NULL;
351 if (flags & RAM_SAVE_FLAG_CONTINUE) {
353 fprintf(stderr, "Ack, bad migration stream!\n");
357 return block->host + offset;
360 len = qemu_get_byte(f);
361 qemu_get_buffer(f, (uint8_t *)id, len);
364 QLIST_FOREACH(block, &ram_list.blocks, next) {
365 if (!strncmp(id, block->idstr, sizeof(id)))
366 return block->host + offset;
369 fprintf(stderr, "Can't find block %s!\n", id);
373 int ram_load(QEMUFile *f, void *opaque, int version_id)
379 if (version_id < 3 || version_id > 4) {
384 addr = qemu_get_be64(f);
386 flags = addr & ~TARGET_PAGE_MASK;
387 addr &= TARGET_PAGE_MASK;
389 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
390 if (version_id == 3) {
391 if (addr != ram_bytes_total()) {
395 /* Synchronize RAM block list */
398 ram_addr_t total_ram_bytes = addr;
400 while (total_ram_bytes) {
404 len = qemu_get_byte(f);
405 qemu_get_buffer(f, (uint8_t *)id, len);
407 length = qemu_get_be64(f);
409 QLIST_FOREACH(block, &ram_list.blocks, next) {
410 if (!strncmp(id, block->idstr, sizeof(id))) {
411 if (block->length != length)
418 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
419 "accept migration\n", id);
423 total_ram_bytes -= length;
428 if (flags & RAM_SAVE_FLAG_COMPRESS) {
433 host = qemu_get_ram_ptr(addr);
435 host = host_from_stream_offset(f, addr, flags);
440 ch = qemu_get_byte(f);
441 memset(host, ch, TARGET_PAGE_SIZE);
444 (!kvm_enabled() || kvm_has_sync_mmu())) {
445 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
448 } else if (flags & RAM_SAVE_FLAG_PAGE) {
452 host = qemu_get_ram_ptr(addr);
454 host = host_from_stream_offset(f, addr, flags);
456 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
458 error = qemu_file_get_error(f);
462 } while (!(flags & RAM_SAVE_FLAG_EOS));
474 int (*init_isa) (ISABus *bus);
475 int (*init_pci) (PCIBus *bus);
479 static struct soundhw soundhw[] = {
480 #ifdef HAS_AUDIO_CHOICE
481 #if defined(TARGET_I386) || defined(TARGET_MIPS)
487 { .init_isa = pcspk_audio_init }
494 "Creative Sound Blaster 16",
497 { .init_isa = SB16_init }
501 #ifdef CONFIG_CS4231A
507 { .init_isa = cs4231a_init }
515 "Yamaha YMF262 (OPL3)",
517 "Yamaha YM3812 (OPL2)",
521 { .init_isa = Adlib_init }
528 "Gravis Ultrasound GF1",
531 { .init_isa = GUS_init }
538 "Intel 82801AA AC97 Audio",
541 { .init_pci = ac97_init }
548 "ENSONIQ AudioPCI ES1370",
551 { .init_pci = es1370_init }
561 { .init_pci = intel_hda_and_codec_init }
565 #endif /* HAS_AUDIO_CHOICE */
567 { NULL, NULL, 0, 0, { NULL } }
570 void select_soundhw(const char *optarg)
574 if (*optarg == '?') {
577 printf("Valid sound card names (comma separated):\n");
578 for (c = soundhw; c->name; ++c) {
579 printf ("%-11s %s\n", c->name, c->descr);
581 printf("\n-soundhw all will enable all of the above\n");
582 exit(*optarg != '?');
590 if (!strcmp(optarg, "all")) {
591 for (c = soundhw; c->name; ++c) {
600 l = !e ? strlen(p) : (size_t) (e - p);
602 for (c = soundhw; c->name; ++c) {
603 if (!strncmp(c->name, p, l) && !c->name[l]) {
612 "Unknown sound card name (too big to show)\n");
615 fprintf(stderr, "Unknown sound card name `%.*s'\n",
620 p += l + (e != NULL);
624 goto show_valid_cards;
629 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
633 for (c = soundhw; c->name; ++c) {
637 c->init.init_isa(isa_bus);
641 c->init.init_pci(pci_bus);
648 void select_soundhw(const char *optarg)
651 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
656 int qemu_uuid_parse(const char *str, uint8_t *uuid)
660 if (strlen(str) != 36) {
664 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
665 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
666 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
673 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
678 void do_acpitable_option(const char *optarg)
681 if (acpi_table_add(optarg) < 0) {
682 fprintf(stderr, "Wrong acpi table provided\n");
688 void do_smbios_option(const char *optarg)
691 if (smbios_entry_add(optarg) < 0) {
692 fprintf(stderr, "Wrong smbios provided\n");
698 void cpudef_init(void)
700 #if defined(cpudef_setup)
701 cpudef_setup(); /* parse cpu definitions in target config file */
705 int audio_available(void)
714 int tcg_available(void)
719 int kvm_available(void)
728 int xen_available(void)