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"
46 int graphic_width = 1024;
47 int graphic_height = 768;
48 int graphic_depth = 8;
50 int graphic_width = 800;
51 int graphic_height = 600;
52 int graphic_depth = 15;
55 const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
57 #if defined(TARGET_ALPHA)
58 #define QEMU_ARCH QEMU_ARCH_ALPHA
59 #elif defined(TARGET_ARM)
60 #define QEMU_ARCH QEMU_ARCH_ARM
61 #elif defined(TARGET_CRIS)
62 #define QEMU_ARCH QEMU_ARCH_CRIS
63 #elif defined(TARGET_I386)
64 #define QEMU_ARCH QEMU_ARCH_I386
65 #elif defined(TARGET_M68K)
66 #define QEMU_ARCH QEMU_ARCH_M68K
67 #elif defined(TARGET_MICROBLAZE)
68 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
69 #elif defined(TARGET_MIPS)
70 #define QEMU_ARCH QEMU_ARCH_MIPS
71 #elif defined(TARGET_PPC)
72 #define QEMU_ARCH QEMU_ARCH_PPC
73 #elif defined(TARGET_S390X)
74 #define QEMU_ARCH QEMU_ARCH_S390X
75 #elif defined(TARGET_SH4)
76 #define QEMU_ARCH QEMU_ARCH_SH4
77 #elif defined(TARGET_SPARC)
78 #define QEMU_ARCH QEMU_ARCH_SPARC
81 const uint32_t arch_type = QEMU_ARCH;
83 /***********************************************************/
84 /* ram save/restore */
86 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
87 #define RAM_SAVE_FLAG_COMPRESS 0x02
88 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
89 #define RAM_SAVE_FLAG_PAGE 0x08
90 #define RAM_SAVE_FLAG_EOS 0x10
91 #define RAM_SAVE_FLAG_CONTINUE 0x20
93 static int is_dup_page(uint8_t *page, uint8_t ch)
95 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
96 uint32_t *array = (uint32_t *)page;
99 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
100 if (array[i] != val) {
108 static RAMBlock *last_block;
109 static ram_addr_t last_offset;
111 static int ram_save_block(QEMUFile *f)
113 RAMBlock *block = last_block;
114 ram_addr_t offset = last_offset;
115 ram_addr_t current_addr;
119 block = QLIST_FIRST(&ram_list.blocks);
121 current_addr = block->offset + offset;
124 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
126 int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
128 cpu_physical_memory_reset_dirty(current_addr,
129 current_addr + TARGET_PAGE_SIZE,
130 MIGRATION_DIRTY_FLAG);
132 p = block->host + offset;
134 if (is_dup_page(p, *p)) {
135 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
137 qemu_put_byte(f, strlen(block->idstr));
138 qemu_put_buffer(f, (uint8_t *)block->idstr,
139 strlen(block->idstr));
141 qemu_put_byte(f, *p);
144 qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
146 qemu_put_byte(f, strlen(block->idstr));
147 qemu_put_buffer(f, (uint8_t *)block->idstr,
148 strlen(block->idstr));
150 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
151 bytes_sent = TARGET_PAGE_SIZE;
157 offset += TARGET_PAGE_SIZE;
158 if (offset >= block->length) {
160 block = QLIST_NEXT(block, next);
162 block = QLIST_FIRST(&ram_list.blocks);
165 current_addr = block->offset + offset;
167 } while (current_addr != last_block->offset + last_offset);
170 last_offset = offset;
175 static uint64_t bytes_transferred;
177 static ram_addr_t ram_save_remaining(void)
180 ram_addr_t count = 0;
182 QLIST_FOREACH(block, &ram_list.blocks, next) {
184 for (addr = block->offset; addr < block->offset + block->length;
185 addr += TARGET_PAGE_SIZE) {
186 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
195 uint64_t ram_bytes_remaining(void)
197 return ram_save_remaining() * TARGET_PAGE_SIZE;
200 uint64_t ram_bytes_transferred(void)
202 return bytes_transferred;
205 uint64_t ram_bytes_total(void)
210 QLIST_FOREACH(block, &ram_list.blocks, next)
211 total += block->length;
216 static int block_compar(const void *a, const void *b)
218 RAMBlock * const *ablock = a;
219 RAMBlock * const *bblock = b;
220 if ((*ablock)->offset < (*bblock)->offset) {
222 } else if ((*ablock)->offset > (*bblock)->offset) {
228 static void sort_ram_list(void)
230 RAMBlock *block, *nblock, **blocks;
233 QLIST_FOREACH(block, &ram_list.blocks, next) {
236 blocks = qemu_malloc(n * sizeof *blocks);
238 QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
240 QLIST_REMOVE(block, next);
242 qsort(blocks, n, sizeof *blocks, block_compar);
244 QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
249 int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
252 uint64_t bytes_transferred_last;
254 uint64_t expected_time = 0;
257 cpu_physical_memory_set_dirty_tracking(0);
261 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
262 qemu_file_set_error(f);
268 bytes_transferred = 0;
273 /* Make sure all dirty bits are set */
274 QLIST_FOREACH(block, &ram_list.blocks, next) {
275 for (addr = block->offset; addr < block->offset + block->length;
276 addr += TARGET_PAGE_SIZE) {
277 if (!cpu_physical_memory_get_dirty(addr,
278 MIGRATION_DIRTY_FLAG)) {
279 cpu_physical_memory_set_dirty(addr);
284 /* Enable dirty memory tracking */
285 cpu_physical_memory_set_dirty_tracking(1);
287 qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);
289 QLIST_FOREACH(block, &ram_list.blocks, next) {
290 qemu_put_byte(f, strlen(block->idstr));
291 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
292 qemu_put_be64(f, block->length);
296 bytes_transferred_last = bytes_transferred;
297 bwidth = qemu_get_clock_ns(rt_clock);
299 while (!qemu_file_rate_limit(f)) {
302 bytes_sent = ram_save_block(f);
303 bytes_transferred += bytes_sent;
304 if (bytes_sent == 0) { /* no more blocks */
309 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
310 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
312 /* if we haven't transferred anything this round, force expected_time to a
313 * a very high value, but without crashing */
318 /* try transferring iterative blocks of memory */
322 /* flush all remaining blocks regardless of rate limiting */
323 while ((bytes_sent = ram_save_block(f)) != 0) {
324 bytes_transferred += bytes_sent;
326 cpu_physical_memory_set_dirty_tracking(0);
329 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
331 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
333 return (stage == 2) && (expected_time <= migrate_max_downtime());
336 static inline void *host_from_stream_offset(QEMUFile *f,
340 static RAMBlock *block = NULL;
344 if (flags & RAM_SAVE_FLAG_CONTINUE) {
346 fprintf(stderr, "Ack, bad migration stream!\n");
350 return block->host + offset;
353 len = qemu_get_byte(f);
354 qemu_get_buffer(f, (uint8_t *)id, len);
357 QLIST_FOREACH(block, &ram_list.blocks, next) {
358 if (!strncmp(id, block->idstr, sizeof(id)))
359 return block->host + offset;
362 fprintf(stderr, "Can't find block %s!\n", id);
366 int ram_load(QEMUFile *f, void *opaque, int version_id)
371 if (version_id < 3 || version_id > 4) {
376 addr = qemu_get_be64(f);
378 flags = addr & ~TARGET_PAGE_MASK;
379 addr &= TARGET_PAGE_MASK;
381 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
382 if (version_id == 3) {
383 if (addr != ram_bytes_total()) {
387 /* Synchronize RAM block list */
390 ram_addr_t total_ram_bytes = addr;
392 while (total_ram_bytes) {
396 len = qemu_get_byte(f);
397 qemu_get_buffer(f, (uint8_t *)id, len);
399 length = qemu_get_be64(f);
401 QLIST_FOREACH(block, &ram_list.blocks, next) {
402 if (!strncmp(id, block->idstr, sizeof(id))) {
403 if (block->length != length)
410 fprintf(stderr, "Unknown ramblock \"%s\", cannot "
411 "accept migration\n", id);
415 total_ram_bytes -= length;
420 if (flags & RAM_SAVE_FLAG_COMPRESS) {
425 host = qemu_get_ram_ptr(addr);
427 host = host_from_stream_offset(f, addr, flags);
432 ch = qemu_get_byte(f);
433 memset(host, ch, TARGET_PAGE_SIZE);
436 (!kvm_enabled() || kvm_has_sync_mmu())) {
437 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
440 } else if (flags & RAM_SAVE_FLAG_PAGE) {
444 host = qemu_get_ram_ptr(addr);
446 host = host_from_stream_offset(f, addr, flags);
448 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
450 if (qemu_file_has_error(f)) {
453 } while (!(flags & RAM_SAVE_FLAG_EOS));
458 void qemu_service_io(void)
470 int (*init_isa) (qemu_irq *pic);
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(qemu_irq *isa_pic, PCIBus *pci_bus)
629 for (c = soundhw; c->name; ++c) {
633 c->init.init_isa(isa_pic);
637 c->init.init_pci(pci_bus);
644 void select_soundhw(const char *optarg)
647 void audio_init(qemu_irq *isa_pic, 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 kvm_available(void)
719 int xen_available(void)