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;
113 while (addr < last_ram_offset) {
114 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
117 cpu_physical_memory_reset_dirty(current_addr,
118 current_addr + TARGET_PAGE_SIZE,
119 MIGRATION_DIRTY_FLAG);
121 p = qemu_get_ram_ptr(current_addr);
123 if (is_dup_page(p, *p)) {
124 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
125 qemu_put_byte(f, *p);
127 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
128 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
134 addr += TARGET_PAGE_SIZE;
135 current_addr = (saved_addr + addr) % last_ram_offset;
141 static uint64_t bytes_transferred;
143 static ram_addr_t ram_save_remaining(void)
146 ram_addr_t count = 0;
148 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
149 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
157 uint64_t ram_bytes_remaining(void)
159 return ram_save_remaining() * TARGET_PAGE_SIZE;
162 uint64_t ram_bytes_transferred(void)
164 return bytes_transferred;
167 uint64_t ram_bytes_total(void)
169 return last_ram_offset;
172 int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
175 uint64_t bytes_transferred_last;
177 uint64_t expected_time = 0;
180 cpu_physical_memory_set_dirty_tracking(0);
184 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
185 qemu_file_set_error(f);
190 bytes_transferred = 0;
192 /* Make sure all dirty bits are set */
193 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
194 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
195 cpu_physical_memory_set_dirty(addr);
199 /* Enable dirty memory tracking */
200 cpu_physical_memory_set_dirty_tracking(1);
202 qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
205 bytes_transferred_last = bytes_transferred;
206 bwidth = qemu_get_clock_ns(rt_clock);
208 while (!qemu_file_rate_limit(f)) {
211 ret = ram_save_block(f);
212 bytes_transferred += ret * TARGET_PAGE_SIZE;
213 if (ret == 0) { /* no more blocks */
218 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
219 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
221 /* if we haven't transferred anything this round, force expected_time to a
222 * a very high value, but without crashing */
227 /* try transferring iterative blocks of memory */
229 /* flush all remaining blocks regardless of rate limiting */
230 while (ram_save_block(f) != 0) {
231 bytes_transferred += TARGET_PAGE_SIZE;
233 cpu_physical_memory_set_dirty_tracking(0);
236 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
238 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
240 return (stage == 2) && (expected_time <= migrate_max_downtime());
243 int ram_load(QEMUFile *f, void *opaque, int version_id)
248 if (version_id != 3) {
253 addr = qemu_get_be64(f);
255 flags = addr & ~TARGET_PAGE_MASK;
256 addr &= TARGET_PAGE_MASK;
258 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
259 if (addr != last_ram_offset) {
264 if (flags & RAM_SAVE_FLAG_COMPRESS) {
265 uint8_t ch = qemu_get_byte(f);
266 memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
269 (!kvm_enabled() || kvm_has_sync_mmu())) {
270 madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE,
274 } else if (flags & RAM_SAVE_FLAG_PAGE) {
275 qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
277 if (qemu_file_has_error(f)) {
280 } while (!(flags & RAM_SAVE_FLAG_EOS));
285 void qemu_service_io(void)
291 struct soundhw soundhw[] = {
292 #ifdef HAS_AUDIO_CHOICE
293 #if defined(TARGET_I386) || defined(TARGET_MIPS)
299 { .init_isa = pcspk_audio_init }
306 "Creative Sound Blaster 16",
309 { .init_isa = SB16_init }
313 #ifdef CONFIG_CS4231A
319 { .init_isa = cs4231a_init }
327 "Yamaha YMF262 (OPL3)",
329 "Yamaha YM3812 (OPL2)",
333 { .init_isa = Adlib_init }
340 "Gravis Ultrasound GF1",
343 { .init_isa = GUS_init }
350 "Intel 82801AA AC97 Audio",
353 { .init_pci = ac97_init }
360 "ENSONIQ AudioPCI ES1370",
363 { .init_pci = es1370_init }
367 #endif /* HAS_AUDIO_CHOICE */
369 { NULL, NULL, 0, 0, { NULL } }
372 void select_soundhw(const char *optarg)
376 if (*optarg == '?') {
379 printf("Valid sound card names (comma separated):\n");
380 for (c = soundhw; c->name; ++c) {
381 printf ("%-11s %s\n", c->name, c->descr);
383 printf("\n-soundhw all will enable all of the above\n");
384 exit(*optarg != '?');
392 if (!strcmp(optarg, "all")) {
393 for (c = soundhw; c->name; ++c) {
402 l = !e ? strlen(p) : (size_t) (e - p);
404 for (c = soundhw; c->name; ++c) {
405 if (!strncmp(c->name, p, l) && !c->name[l]) {
414 "Unknown sound card name (too big to show)\n");
417 fprintf(stderr, "Unknown sound card name `%.*s'\n",
422 p += l + (e != NULL);
426 goto show_valid_cards;
431 void select_soundhw(const char *optarg)
436 int qemu_uuid_parse(const char *str, uint8_t *uuid)
440 if (strlen(str) != 36) {
444 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
445 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
446 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
453 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
458 void do_acpitable_option(const char *optarg)
461 if (acpi_table_add(optarg) < 0) {
462 fprintf(stderr, "Wrong acpi table provided\n");
468 void do_smbios_option(const char *optarg)
471 if (smbios_entry_add(optarg) < 0) {
472 fprintf(stderr, "Wrong smbios provided\n");
478 void cpudef_init(void)
480 #if defined(cpudef_setup)
481 cpudef_setup(); /* parse cpu definitions in target config file */
485 int audio_available(void)
494 int kvm_available(void)
503 int xen_available(void)