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 /* altivec.h may redefine the bool macro as vector type.
104 * Reset it to POSIX semantics. */
107 #elif defined __SSE2__
108 #include <emmintrin.h>
109 #define VECTYPE __m128i
110 #define SPLAT(p) _mm_set1_epi8(*(p))
111 #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
113 #define VECTYPE unsigned long
114 #define SPLAT(p) (*(p) * (~0UL / 255))
115 #define ALL_EQ(v1, v2) ((v1) == (v2))
119 static struct defconfig_file {
120 const char *filename;
121 /* Indicates it is an user config file (disabled by -no-user-config) */
123 } default_config_files[] = {
124 { CONFIG_QEMU_DATADIR "/cpus-" TARGET_ARCH ".conf", false },
125 { CONFIG_QEMU_CONFDIR "/qemu.conf", true },
126 { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
127 { NULL }, /* end of list */
131 int qemu_read_default_config_files(bool userconfig)
134 struct defconfig_file *f;
136 for (f = default_config_files; f->filename; f++) {
137 if (!userconfig && f->userconfig) {
140 ret = qemu_read_config_file(f->filename);
141 if (ret < 0 && ret != -ENOENT) {
149 static int is_dup_page(uint8_t *page)
151 VECTYPE *p = (VECTYPE *)page;
152 VECTYPE val = SPLAT(page);
155 for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
156 if (!ALL_EQ(val, p[i])) {
164 static RAMBlock *last_block;
165 static ram_addr_t last_offset;
167 static int ram_save_block(QEMUFile *f)
169 RAMBlock *block = last_block;
170 ram_addr_t offset = last_offset;
175 block = QLIST_FIRST(&ram_list.blocks);
179 if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
180 DIRTY_MEMORY_MIGRATION)) {
182 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
184 memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
185 DIRTY_MEMORY_MIGRATION);
187 p = memory_region_get_ram_ptr(mr) + offset;
189 if (is_dup_page(p)) {
190 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
192 qemu_put_byte(f, strlen(block->idstr));
193 qemu_put_buffer(f, (uint8_t *)block->idstr,
194 strlen(block->idstr));
196 qemu_put_byte(f, *p);
199 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
201 qemu_put_byte(f, strlen(block->idstr));
202 qemu_put_buffer(f, (uint8_t *)block->idstr,
203 strlen(block->idstr));
205 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
206 bytes_sent = TARGET_PAGE_SIZE;
212 offset += TARGET_PAGE_SIZE;
213 if (offset >= block->length) {
215 block = QLIST_NEXT(block, next);
217 block = QLIST_FIRST(&ram_list.blocks);
219 } while (block != last_block || offset != last_offset);
222 last_offset = offset;
227 static uint64_t bytes_transferred;
229 static ram_addr_t ram_save_remaining(void)
232 ram_addr_t count = 0;
234 QLIST_FOREACH(block, &ram_list.blocks, next) {
236 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
237 if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
238 DIRTY_MEMORY_MIGRATION)) {
247 uint64_t ram_bytes_remaining(void)
249 return ram_save_remaining() * TARGET_PAGE_SIZE;
252 uint64_t ram_bytes_transferred(void)
254 return bytes_transferred;
257 uint64_t ram_bytes_total(void)
262 QLIST_FOREACH(block, &ram_list.blocks, next)
263 total += block->length;
268 static int block_compar(const void *a, const void *b)
270 RAMBlock * const *ablock = a;
271 RAMBlock * const *bblock = b;
273 return strcmp((*ablock)->idstr, (*bblock)->idstr);
276 static void sort_ram_list(void)
278 RAMBlock *block, *nblock, **blocks;
281 QLIST_FOREACH(block, &ram_list.blocks, next) {
284 blocks = g_malloc(n * sizeof *blocks);
286 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
288 QLIST_REMOVE(block, next);
290 qsort(blocks, n, sizeof *blocks, block_compar);
292 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
297 int ram_save_live(QEMUFile *f, int stage, void *opaque)
300 uint64_t bytes_transferred_last;
302 uint64_t expected_time = 0;
306 memory_global_dirty_log_stop();
310 memory_global_sync_dirty_bitmap(get_system_memory());
314 bytes_transferred = 0;
319 /* Make sure all dirty bits are set */
320 QLIST_FOREACH(block, &ram_list.blocks, next) {
321 for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
322 if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
323 DIRTY_MEMORY_MIGRATION)) {
324 memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
329 memory_global_dirty_log_start();
331 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
333 QLIST_FOREACH(block, &ram_list.blocks, next) {
334 qemu_put_byte(f, strlen(block->idstr));
335 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
336 qemu_put_be64(f, block->length);
340 bytes_transferred_last = bytes_transferred;
341 bwidth = qemu_get_clock_ns(rt_clock);
343 while ((ret = qemu_file_rate_limit(f)) == 0) {
346 bytes_sent = ram_save_block(f);
347 bytes_transferred += bytes_sent;
348 if (bytes_sent == 0) { /* no more blocks */
357 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
358 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
360 /* if we haven't transferred anything this round, force expected_time to a
361 * a very high value, but without crashing */
366 /* try transferring iterative blocks of memory */
370 /* flush all remaining blocks regardless of rate limiting */
371 while ((bytes_sent = ram_save_block(f)) != 0) {
372 bytes_transferred += bytes_sent;
374 memory_global_dirty_log_stop();
377 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
379 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
381 return (stage == 2) && (expected_time <= migrate_max_downtime());
384 static inline void *host_from_stream_offset(QEMUFile *f,
388 static RAMBlock *block = NULL;
392 if (flags & RAM_SAVE_FLAG_CONTINUE) {
394 fprintf(stderr, "Ack, bad migration stream!\n");
398 return memory_region_get_ram_ptr(block->mr) + offset;
401 len = qemu_get_byte(f);
402 qemu_get_buffer(f, (uint8_t *)id, len);
405 QLIST_FOREACH(block, &ram_list.blocks, next) {
406 if (!strncmp(id, block->idstr, sizeof(id)))
407 return memory_region_get_ram_ptr(block->mr) + offset;
410 fprintf(stderr, "Can't find block %s!\n", id);
414 int ram_load(QEMUFile *f, void *opaque, int version_id)
420 if (version_id < 4 || version_id > 4) {
425 addr = qemu_get_be64(f);
427 flags = addr & ~TARGET_PAGE_MASK;
428 addr &= TARGET_PAGE_MASK;
430 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
431 if (version_id == 4) {
432 /* Synchronize RAM block list */
435 ram_addr_t total_ram_bytes = addr;
437 while (total_ram_bytes) {
441 len = qemu_get_byte(f);
442 qemu_get_buffer(f, (uint8_t *)id, len);
444 length = qemu_get_be64(f);
446 QLIST_FOREACH(block, &ram_list.blocks, next) {
447 if (!strncmp(id, block->idstr, sizeof(id))) {
448 if (block->length != length)
455 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
456 "accept migration\n", id);
460 total_ram_bytes -= length;
465 if (flags & RAM_SAVE_FLAG_COMPRESS) {
469 host = host_from_stream_offset(f, addr, flags);
474 ch = qemu_get_byte(f);
475 memset(host, ch, TARGET_PAGE_SIZE);
478 (!kvm_enabled() || kvm_has_sync_mmu())) {
479 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
482 } else if (flags & RAM_SAVE_FLAG_PAGE) {
485 host = host_from_stream_offset(f, addr, flags);
487 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
489 error = qemu_file_get_error(f);
493 } while (!(flags & RAM_SAVE_FLAG_EOS));
505 int (*init_isa) (ISABus *bus);
506 int (*init_pci) (PCIBus *bus);
510 static struct soundhw soundhw[] = {
511 #ifdef HAS_AUDIO_CHOICE
518 { .init_isa = pcspk_audio_init }
525 "Creative Sound Blaster 16",
528 { .init_isa = SB16_init }
532 #ifdef CONFIG_CS4231A
538 { .init_isa = cs4231a_init }
546 "Yamaha YMF262 (OPL3)",
548 "Yamaha YM3812 (OPL2)",
552 { .init_isa = Adlib_init }
559 "Gravis Ultrasound GF1",
562 { .init_isa = GUS_init }
569 "Intel 82801AA AC97 Audio",
572 { .init_pci = ac97_init }
579 "ENSONIQ AudioPCI ES1370",
582 { .init_pci = es1370_init }
592 { .init_pci = intel_hda_and_codec_init }
596 #endif /* HAS_AUDIO_CHOICE */
598 { NULL, NULL, 0, 0, { NULL } }
601 void select_soundhw(const char *optarg)
605 if (*optarg == '?') {
608 printf("Valid sound card names (comma separated):\n");
609 for (c = soundhw; c->name; ++c) {
610 printf ("%-11s %s\n", c->name, c->descr);
612 printf("\n-soundhw all will enable all of the above\n");
613 exit(*optarg != '?');
621 if (!strcmp(optarg, "all")) {
622 for (c = soundhw; c->name; ++c) {
631 l = !e ? strlen(p) : (size_t) (e - p);
633 for (c = soundhw; c->name; ++c) {
634 if (!strncmp(c->name, p, l) && !c->name[l]) {
643 "Unknown sound card name (too big to show)\n");
646 fprintf(stderr, "Unknown sound card name `%.*s'\n",
651 p += l + (e != NULL);
655 goto show_valid_cards;
660 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
664 for (c = soundhw; c->name; ++c) {
668 c->init.init_isa(isa_bus);
672 c->init.init_pci(pci_bus);
679 void select_soundhw(const char *optarg)
682 void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
687 int qemu_uuid_parse(const char *str, uint8_t *uuid)
691 if (strlen(str) != 36) {
695 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
696 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
697 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
704 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
709 void do_acpitable_option(const char *optarg)
712 if (acpi_table_add(optarg) < 0) {
713 fprintf(stderr, "Wrong acpi table provided\n");
719 void do_smbios_option(const char *optarg)
722 if (smbios_entry_add(optarg) < 0) {
723 fprintf(stderr, "Wrong smbios provided\n");
729 void cpudef_init(void)
731 #if defined(cpudef_setup)
732 cpudef_setup(); /* parse cpu definitions in target config file */
736 int audio_available(void)
745 int tcg_available(void)
750 int kvm_available(void)
759 int xen_available(void)