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
27 #include <sys/types.h>
33 #include "arch_init.h"
34 #include "audio/audio.h"
37 #include "hw/audiodev.h"
39 #include "migration.h"
42 #include "hw/smbios.h"
45 int graphic_width = 1024;
46 int graphic_height = 768;
47 int graphic_depth = 8;
49 int graphic_width = 800;
50 int graphic_height = 600;
51 int graphic_depth = 15;
54 const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
56 #if defined(TARGET_ALPHA)
57 #define QEMU_ARCH QEMU_ARCH_ALPHA
58 #elif defined(TARGET_ARM)
59 #define QEMU_ARCH QEMU_ARCH_ARM
60 #elif defined(TARGET_CRIS)
61 #define QEMU_ARCH QEMU_ARCH_CRIS
62 #elif defined(TARGET_I386)
63 #define QEMU_ARCH QEMU_ARCH_I386
64 #elif defined(TARGET_M68K)
65 #define QEMU_ARCH QEMU_ARCH_M68K
66 #elif defined(TARGET_MICROBLAZE)
67 #define QEMU_ARCH QEMU_ARCH_MICROBLAZE
68 #elif defined(TARGET_MIPS)
69 #define QEMU_ARCH QEMU_ARCH_MIPS
70 #elif defined(TARGET_PPC)
71 #define QEMU_ARCH QEMU_ARCH_PPC
72 #elif defined(TARGET_S390X)
73 #define QEMU_ARCH QEMU_ARCH_S390X
74 #elif defined(TARGET_SH4)
75 #define QEMU_ARCH QEMU_ARCH_SH4
76 #elif defined(TARGET_SPARC)
77 #define QEMU_ARCH QEMU_ARCH_SPARC
80 const uint32_t arch_type = QEMU_ARCH;
82 /***********************************************************/
83 /* ram save/restore */
85 #define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
86 #define RAM_SAVE_FLAG_COMPRESS 0x02
87 #define RAM_SAVE_FLAG_MEM_SIZE 0x04
88 #define RAM_SAVE_FLAG_PAGE 0x08
89 #define RAM_SAVE_FLAG_EOS 0x10
91 static int is_dup_page(uint8_t *page, uint8_t ch)
93 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
94 uint32_t *array = (uint32_t *)page;
97 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
98 if (array[i] != val) {
106 static int ram_save_block(QEMUFile *f)
108 static ram_addr_t current_addr = 0;
109 ram_addr_t saved_addr = current_addr;
111 uint64_t total_ram = ram_bytes_total();
114 while (addr < total_ram) {
115 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
120 cpu_physical_memory_reset_dirty(current_addr,
121 current_addr + TARGET_PAGE_SIZE,
122 MIGRATION_DIRTY_FLAG);
124 QLIST_FOREACH(block, &ram_list.blocks, next) {
125 if (current_addr - block->offset < block->length)
128 offset = current_addr - block->offset;
129 p = block->host + offset;
131 if (is_dup_page(p, *p)) {
132 qemu_put_be64(f, offset | RAM_SAVE_FLAG_COMPRESS);
133 qemu_put_byte(f, strlen(block->idstr));
134 qemu_put_buffer(f, (uint8_t *)block->idstr,
135 strlen(block->idstr));
136 qemu_put_byte(f, *p);
139 qemu_put_be64(f, offset | RAM_SAVE_FLAG_PAGE);
140 qemu_put_byte(f, strlen(block->idstr));
141 qemu_put_buffer(f, (uint8_t *)block->idstr,
142 strlen(block->idstr));
143 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
144 bytes_sent = TARGET_PAGE_SIZE;
149 addr += TARGET_PAGE_SIZE;
150 current_addr = (saved_addr + addr) % total_ram;
156 static uint64_t bytes_transferred;
158 static ram_addr_t ram_save_remaining(void)
161 ram_addr_t count = 0;
162 uint64_t total_ram = ram_bytes_total();
164 for (addr = 0; addr < total_ram; addr += TARGET_PAGE_SIZE) {
165 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
173 uint64_t ram_bytes_remaining(void)
175 return ram_save_remaining() * TARGET_PAGE_SIZE;
178 uint64_t ram_bytes_transferred(void)
180 return bytes_transferred;
183 uint64_t ram_bytes_total(void)
188 QLIST_FOREACH(block, &ram_list.blocks, next)
189 total += block->length;
194 int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
197 uint64_t bytes_transferred_last;
199 uint64_t expected_time = 0;
202 cpu_physical_memory_set_dirty_tracking(0);
206 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
207 qemu_file_set_error(f);
213 uint64_t total_ram = ram_bytes_total();
214 bytes_transferred = 0;
216 /* Make sure all dirty bits are set */
217 for (addr = 0; addr < total_ram; addr += TARGET_PAGE_SIZE) {
218 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
219 cpu_physical_memory_set_dirty(addr);
223 /* Enable dirty memory tracking */
224 cpu_physical_memory_set_dirty_tracking(1);
226 qemu_put_be64(f, total_ram | RAM_SAVE_FLAG_MEM_SIZE);
228 QLIST_FOREACH(block, &ram_list.blocks, next) {
229 qemu_put_byte(f, strlen(block->idstr));
230 qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
231 qemu_put_be64(f, block->length);
235 bytes_transferred_last = bytes_transferred;
236 bwidth = qemu_get_clock_ns(rt_clock);
238 while (!qemu_file_rate_limit(f)) {
241 bytes_sent = ram_save_block(f);
242 bytes_transferred += bytes_sent;
243 if (bytes_sent == 0) { /* no more blocks */
248 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
249 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
251 /* if we haven't transferred anything this round, force expected_time to a
252 * a very high value, but without crashing */
257 /* try transferring iterative blocks of memory */
261 /* flush all remaining blocks regardless of rate limiting */
262 while ((bytes_sent = ram_save_block(f)) != 0) {
263 bytes_transferred += bytes_sent;
265 cpu_physical_memory_set_dirty_tracking(0);
268 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
270 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
272 return (stage == 2) && (expected_time <= migrate_max_downtime());
275 int ram_load(QEMUFile *f, void *opaque, int version_id)
280 if (version_id < 3 || version_id > 4) {
285 addr = qemu_get_be64(f);
287 flags = addr & ~TARGET_PAGE_MASK;
288 addr &= TARGET_PAGE_MASK;
290 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
291 if (version_id == 3) {
292 if (addr != ram_bytes_total()) {
296 /* Synchronize RAM block list */
299 ram_addr_t total_ram_bytes = addr;
301 while (total_ram_bytes) {
305 len = qemu_get_byte(f);
306 qemu_get_buffer(f, (uint8_t *)id, len);
308 length = qemu_get_be64(f);
310 QLIST_FOREACH(block, &ram_list.blocks, next) {
311 if (!strncmp(id, block->idstr, sizeof(id))) {
312 if (block->length != length)
319 if (!qemu_ram_alloc(NULL, id, length))
323 total_ram_bytes -= length;
328 if (flags & RAM_SAVE_FLAG_COMPRESS) {
332 if (version_id == 3) {
333 host = qemu_get_ram_ptr(addr);
339 len = qemu_get_byte(f);
340 qemu_get_buffer(f, (uint8_t *)id, len);
343 QLIST_FOREACH(block, &ram_list.blocks, next) {
344 if (!strncmp(id, block->idstr, sizeof(id)))
350 host = block->host + addr;
352 ch = qemu_get_byte(f);
353 memset(host, ch, TARGET_PAGE_SIZE);
356 (!kvm_enabled() || kvm_has_sync_mmu())) {
357 madvise(host, TARGET_PAGE_SIZE, MADV_DONTNEED);
360 } else if (flags & RAM_SAVE_FLAG_PAGE) {
363 if (version_id == 3) {
364 host = qemu_get_ram_ptr(addr);
370 len = qemu_get_byte(f);
371 qemu_get_buffer(f, (uint8_t *)id, len);
374 QLIST_FOREACH(block, &ram_list.blocks, next) {
375 if (!strncmp(id, block->idstr, sizeof(id)))
381 host = block->host + addr;
383 qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
385 if (qemu_file_has_error(f)) {
388 } while (!(flags & RAM_SAVE_FLAG_EOS));
393 void qemu_service_io(void)
399 struct soundhw soundhw[] = {
400 #ifdef HAS_AUDIO_CHOICE
401 #if defined(TARGET_I386) || defined(TARGET_MIPS)
407 { .init_isa = pcspk_audio_init }
414 "Creative Sound Blaster 16",
417 { .init_isa = SB16_init }
421 #ifdef CONFIG_CS4231A
427 { .init_isa = cs4231a_init }
435 "Yamaha YMF262 (OPL3)",
437 "Yamaha YM3812 (OPL2)",
441 { .init_isa = Adlib_init }
448 "Gravis Ultrasound GF1",
451 { .init_isa = GUS_init }
458 "Intel 82801AA AC97 Audio",
461 { .init_pci = ac97_init }
468 "ENSONIQ AudioPCI ES1370",
471 { .init_pci = es1370_init }
475 #endif /* HAS_AUDIO_CHOICE */
477 { NULL, NULL, 0, 0, { NULL } }
480 void select_soundhw(const char *optarg)
484 if (*optarg == '?') {
487 printf("Valid sound card names (comma separated):\n");
488 for (c = soundhw; c->name; ++c) {
489 printf ("%-11s %s\n", c->name, c->descr);
491 printf("\n-soundhw all will enable all of the above\n");
492 exit(*optarg != '?');
500 if (!strcmp(optarg, "all")) {
501 for (c = soundhw; c->name; ++c) {
510 l = !e ? strlen(p) : (size_t) (e - p);
512 for (c = soundhw; c->name; ++c) {
513 if (!strncmp(c->name, p, l) && !c->name[l]) {
522 "Unknown sound card name (too big to show)\n");
525 fprintf(stderr, "Unknown sound card name `%.*s'\n",
530 p += l + (e != NULL);
534 goto show_valid_cards;
539 void select_soundhw(const char *optarg)
544 int qemu_uuid_parse(const char *str, uint8_t *uuid)
548 if (strlen(str) != 36) {
552 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
553 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
554 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
561 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
566 void do_acpitable_option(const char *optarg)
569 if (acpi_table_add(optarg) < 0) {
570 fprintf(stderr, "Wrong acpi table provided\n");
576 void do_smbios_option(const char *optarg)
579 if (smbios_entry_add(optarg) < 0) {
580 fprintf(stderr, "Wrong smbios provided\n");
586 void cpudef_init(void)
588 #if defined(cpudef_setup)
589 cpudef_setup(); /* parse cpu definitions in target config file */
593 int audio_available(void)
602 int kvm_available(void)
611 int xen_available(void)