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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h> |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#ifndef _WIN32
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#include <sys/types.h> |
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#include <sys/mman.h> |
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#endif
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#include "config.h" |
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#include "monitor.h" |
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#include "sysemu.h" |
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#include "arch_init.h" |
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#include "audio/audio.h" |
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#include "hw/pc.h" |
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#include "hw/pci.h" |
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#include "hw/audiodev.h" |
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#include "kvm.h" |
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#include "migration.h" |
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#include "net.h" |
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#include "gdbstub.h" |
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#include "hw/smbios.h" |
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#include "exec-memory.h" |
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#include "hw/pcspk.h" |
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#ifdef TARGET_SPARC
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int graphic_width = 1024; |
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int graphic_height = 768; |
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int graphic_depth = 8; |
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#else
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int graphic_width = 800; |
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int graphic_height = 600; |
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int graphic_depth = 15; |
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#endif
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const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf"; |
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#if defined(TARGET_ALPHA)
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#define QEMU_ARCH QEMU_ARCH_ALPHA
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#elif defined(TARGET_ARM)
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#define QEMU_ARCH QEMU_ARCH_ARM
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#elif defined(TARGET_CRIS)
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#define QEMU_ARCH QEMU_ARCH_CRIS
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#elif defined(TARGET_I386)
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#define QEMU_ARCH QEMU_ARCH_I386
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#elif defined(TARGET_M68K)
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#define QEMU_ARCH QEMU_ARCH_M68K
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#elif defined(TARGET_LM32)
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#define QEMU_ARCH QEMU_ARCH_LM32
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#elif defined(TARGET_MICROBLAZE)
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#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
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#elif defined(TARGET_MIPS)
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#define QEMU_ARCH QEMU_ARCH_MIPS
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#elif defined(TARGET_PPC)
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#define QEMU_ARCH QEMU_ARCH_PPC
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#elif defined(TARGET_S390X)
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#define QEMU_ARCH QEMU_ARCH_S390X
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#elif defined(TARGET_SH4)
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#define QEMU_ARCH QEMU_ARCH_SH4
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#elif defined(TARGET_SPARC)
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#define QEMU_ARCH QEMU_ARCH_SPARC
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#elif defined(TARGET_XTENSA)
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#define QEMU_ARCH QEMU_ARCH_XTENSA
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#endif
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const uint32_t arch_type = QEMU_ARCH;
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/***********************************************************/
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/* ram save/restore */
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#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */ |
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#define RAM_SAVE_FLAG_COMPRESS 0x02 |
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#define RAM_SAVE_FLAG_MEM_SIZE 0x04 |
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#define RAM_SAVE_FLAG_PAGE 0x08 |
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#define RAM_SAVE_FLAG_EOS 0x10 |
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#define RAM_SAVE_FLAG_CONTINUE 0x20 |
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#ifdef __ALTIVEC__
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#include <altivec.h> |
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#define VECTYPE vector unsigned char |
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#define SPLAT(p) vec_splat(vec_ld(0, p), 0) |
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#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
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#elif defined __SSE2__
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#include <emmintrin.h> |
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#define VECTYPE __m128i
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#define SPLAT(p) _mm_set1_epi8(*(p))
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#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) |
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#else
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#define VECTYPE unsigned long |
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#define SPLAT(p) (*(p) * (~0UL / 255)) |
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#define ALL_EQ(v1, v2) ((v1) == (v2))
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#endif
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static int is_dup_page(uint8_t *page) |
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{ |
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VECTYPE *p = (VECTYPE *)page; |
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VECTYPE val = SPLAT(page); |
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int i;
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for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) { |
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if (!ALL_EQ(val, p[i])) {
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return 0; |
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} |
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} |
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return 1; |
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} |
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static RAMBlock *last_block;
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static ram_addr_t last_offset;
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static int ram_save_block(QEMUFile *f) |
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{ |
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RAMBlock *block = last_block; |
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ram_addr_t offset = last_offset; |
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int bytes_sent = 0; |
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MemoryRegion *mr; |
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if (!block)
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block = QLIST_FIRST(&ram_list.blocks); |
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do {
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mr = block->mr; |
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if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
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DIRTY_MEMORY_MIGRATION)) { |
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uint8_t *p; |
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int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0; |
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memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE, |
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DIRTY_MEMORY_MIGRATION); |
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p = memory_region_get_ram_ptr(mr) + offset; |
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if (is_dup_page(p)) {
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qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS); |
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if (!cont) {
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qemu_put_byte(f, strlen(block->idstr)); |
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qemu_put_buffer(f, (uint8_t *)block->idstr, |
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strlen(block->idstr)); |
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} |
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qemu_put_byte(f, *p); |
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bytes_sent = 1;
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} else {
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qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE); |
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if (!cont) {
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qemu_put_byte(f, strlen(block->idstr)); |
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qemu_put_buffer(f, (uint8_t *)block->idstr, |
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strlen(block->idstr)); |
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} |
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qemu_put_buffer(f, p, TARGET_PAGE_SIZE); |
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bytes_sent = TARGET_PAGE_SIZE; |
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} |
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break;
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} |
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offset += TARGET_PAGE_SIZE; |
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if (offset >= block->length) {
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offset = 0;
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block = QLIST_NEXT(block, next); |
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if (!block)
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block = QLIST_FIRST(&ram_list.blocks); |
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} |
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} while (block != last_block || offset != last_offset);
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last_block = block; |
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last_offset = offset; |
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return bytes_sent;
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} |
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static uint64_t bytes_transferred;
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static ram_addr_t ram_save_remaining(void) |
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{ |
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RAMBlock *block; |
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ram_addr_t count = 0;
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
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ram_addr_t addr; |
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for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
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if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
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DIRTY_MEMORY_MIGRATION)) { |
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count++; |
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} |
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} |
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} |
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return count;
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} |
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uint64_t ram_bytes_remaining(void)
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{ |
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return ram_save_remaining() * TARGET_PAGE_SIZE;
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} |
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uint64_t ram_bytes_transferred(void)
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{ |
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return bytes_transferred;
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} |
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uint64_t ram_bytes_total(void)
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{ |
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RAMBlock *block; |
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uint64_t total = 0;
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QLIST_FOREACH(block, &ram_list.blocks, next) |
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total += block->length; |
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return total;
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} |
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static int block_compar(const void *a, const void *b) |
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{ |
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RAMBlock * const *ablock = a;
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RAMBlock * const *bblock = b;
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return strcmp((*ablock)->idstr, (*bblock)->idstr);
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} |
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static void sort_ram_list(void) |
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{ |
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RAMBlock *block, *nblock, **blocks; |
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int n;
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n = 0;
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
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++n; |
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} |
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blocks = g_malloc(n * sizeof *blocks);
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n = 0;
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QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) { |
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blocks[n++] = block; |
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QLIST_REMOVE(block, next); |
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} |
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qsort(blocks, n, sizeof *blocks, block_compar);
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while (--n >= 0) { |
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QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next); |
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} |
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g_free(blocks); |
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} |
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int ram_save_live(QEMUFile *f, int stage, void *opaque) |
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{ |
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ram_addr_t addr; |
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uint64_t bytes_transferred_last; |
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double bwidth = 0; |
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uint64_t expected_time = 0;
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int ret;
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if (stage < 0) { |
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memory_global_dirty_log_stop(); |
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return 0; |
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} |
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memory_global_sync_dirty_bitmap(get_system_memory()); |
277 |
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if (stage == 1) { |
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RAMBlock *block; |
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bytes_transferred = 0;
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last_block = NULL;
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last_offset = 0;
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sort_ram_list(); |
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/* Make sure all dirty bits are set */
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
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for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { |
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if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
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DIRTY_MEMORY_MIGRATION)) { |
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memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE); |
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} |
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} |
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} |
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memory_global_dirty_log_start(); |
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qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
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qemu_put_byte(f, strlen(block->idstr)); |
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qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr)); |
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qemu_put_be64(f, block->length); |
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} |
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} |
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bytes_transferred_last = bytes_transferred; |
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bwidth = qemu_get_clock_ns(rt_clock); |
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while ((ret = qemu_file_rate_limit(f)) == 0) { |
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int bytes_sent;
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bytes_sent = ram_save_block(f); |
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bytes_transferred += bytes_sent; |
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if (bytes_sent == 0) { /* no more blocks */ |
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break;
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} |
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} |
318 |
|
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if (ret < 0) { |
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return ret;
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} |
322 |
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bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
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bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
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/* if we haven't transferred anything this round, force expected_time to a
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* a very high value, but without crashing */
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if (bwidth == 0) { |
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bwidth = 0.000001; |
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} |
331 |
|
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/* try transferring iterative blocks of memory */
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if (stage == 3) { |
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int bytes_sent;
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|
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/* flush all remaining blocks regardless of rate limiting */
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while ((bytes_sent = ram_save_block(f)) != 0) { |
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bytes_transferred += bytes_sent; |
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} |
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memory_global_dirty_log_stop(); |
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} |
342 |
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qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
344 |
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expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
346 |
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return (stage == 2) && (expected_time <= migrate_max_downtime()); |
348 |
} |
349 |
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350 |
static inline void *host_from_stream_offset(QEMUFile *f, |
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ram_addr_t offset, |
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int flags)
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{ |
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static RAMBlock *block = NULL; |
355 |
char id[256]; |
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uint8_t len; |
357 |
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if (flags & RAM_SAVE_FLAG_CONTINUE) {
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if (!block) {
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fprintf(stderr, "Ack, bad migration stream!\n");
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return NULL; |
362 |
} |
363 |
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return memory_region_get_ram_ptr(block->mr) + offset;
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} |
366 |
|
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len = qemu_get_byte(f); |
368 |
qemu_get_buffer(f, (uint8_t *)id, len); |
369 |
id[len] = 0;
|
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|
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
372 |
if (!strncmp(id, block->idstr, sizeof(id))) |
373 |
return memory_region_get_ram_ptr(block->mr) + offset;
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} |
375 |
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fprintf(stderr, "Can't find block %s!\n", id);
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return NULL; |
378 |
} |
379 |
|
380 |
int ram_load(QEMUFile *f, void *opaque, int version_id) |
381 |
{ |
382 |
ram_addr_t addr; |
383 |
int flags;
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int error;
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385 |
|
386 |
if (version_id < 4 || version_id > 4) { |
387 |
return -EINVAL;
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388 |
} |
389 |
|
390 |
do {
|
391 |
addr = qemu_get_be64(f); |
392 |
|
393 |
flags = addr & ~TARGET_PAGE_MASK; |
394 |
addr &= TARGET_PAGE_MASK; |
395 |
|
396 |
if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
|
397 |
if (version_id == 4) { |
398 |
/* Synchronize RAM block list */
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399 |
char id[256]; |
400 |
ram_addr_t length; |
401 |
ram_addr_t total_ram_bytes = addr; |
402 |
|
403 |
while (total_ram_bytes) {
|
404 |
RAMBlock *block; |
405 |
uint8_t len; |
406 |
|
407 |
len = qemu_get_byte(f); |
408 |
qemu_get_buffer(f, (uint8_t *)id, len); |
409 |
id[len] = 0;
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length = qemu_get_be64(f); |
411 |
|
412 |
QLIST_FOREACH(block, &ram_list.blocks, next) { |
413 |
if (!strncmp(id, block->idstr, sizeof(id))) { |
414 |
if (block->length != length)
|
415 |
return -EINVAL;
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416 |
break;
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417 |
} |
418 |
} |
419 |
|
420 |
if (!block) {
|
421 |
fprintf(stderr, "Unknown ramblock \"%s\", cannot "
|
422 |
"accept migration\n", id);
|
423 |
return -EINVAL;
|
424 |
} |
425 |
|
426 |
total_ram_bytes -= length; |
427 |
} |
428 |
} |
429 |
} |
430 |
|
431 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
432 |
void *host;
|
433 |
uint8_t ch; |
434 |
|
435 |
host = host_from_stream_offset(f, addr, flags); |
436 |
if (!host) {
|
437 |
return -EINVAL;
|
438 |
} |
439 |
|
440 |
ch = qemu_get_byte(f); |
441 |
memset(host, ch, TARGET_PAGE_SIZE); |
442 |
#ifndef _WIN32
|
443 |
if (ch == 0 && |
444 |
(!kvm_enabled() || kvm_has_sync_mmu())) { |
445 |
qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
446 |
} |
447 |
#endif
|
448 |
} else if (flags & RAM_SAVE_FLAG_PAGE) { |
449 |
void *host;
|
450 |
|
451 |
host = host_from_stream_offset(f, addr, flags); |
452 |
|
453 |
qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
454 |
} |
455 |
error = qemu_file_get_error(f); |
456 |
if (error) {
|
457 |
return error;
|
458 |
} |
459 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
460 |
|
461 |
return 0; |
462 |
} |
463 |
|
464 |
#ifdef HAS_AUDIO
|
465 |
struct soundhw {
|
466 |
const char *name; |
467 |
const char *descr; |
468 |
int enabled;
|
469 |
int isa;
|
470 |
union {
|
471 |
int (*init_isa) (ISABus *bus);
|
472 |
int (*init_pci) (PCIBus *bus);
|
473 |
} init; |
474 |
}; |
475 |
|
476 |
static struct soundhw soundhw[] = { |
477 |
#ifdef HAS_AUDIO_CHOICE
|
478 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
479 |
{ |
480 |
"pcspk",
|
481 |
"PC speaker",
|
482 |
0,
|
483 |
1,
|
484 |
{ .init_isa = pcspk_audio_init } |
485 |
}, |
486 |
#endif
|
487 |
|
488 |
#ifdef CONFIG_SB16
|
489 |
{ |
490 |
"sb16",
|
491 |
"Creative Sound Blaster 16",
|
492 |
0,
|
493 |
1,
|
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{ .init_isa = SB16_init } |
495 |
}, |
496 |
#endif
|
497 |
|
498 |
#ifdef CONFIG_CS4231A
|
499 |
{ |
500 |
"cs4231a",
|
501 |
"CS4231A",
|
502 |
0,
|
503 |
1,
|
504 |
{ .init_isa = cs4231a_init } |
505 |
}, |
506 |
#endif
|
507 |
|
508 |
#ifdef CONFIG_ADLIB
|
509 |
{ |
510 |
"adlib",
|
511 |
#ifdef HAS_YMF262
|
512 |
"Yamaha YMF262 (OPL3)",
|
513 |
#else
|
514 |
"Yamaha YM3812 (OPL2)",
|
515 |
#endif
|
516 |
0,
|
517 |
1,
|
518 |
{ .init_isa = Adlib_init } |
519 |
}, |
520 |
#endif
|
521 |
|
522 |
#ifdef CONFIG_GUS
|
523 |
{ |
524 |
"gus",
|
525 |
"Gravis Ultrasound GF1",
|
526 |
0,
|
527 |
1,
|
528 |
{ .init_isa = GUS_init } |
529 |
}, |
530 |
#endif
|
531 |
|
532 |
#ifdef CONFIG_AC97
|
533 |
{ |
534 |
"ac97",
|
535 |
"Intel 82801AA AC97 Audio",
|
536 |
0,
|
537 |
0,
|
538 |
{ .init_pci = ac97_init } |
539 |
}, |
540 |
#endif
|
541 |
|
542 |
#ifdef CONFIG_ES1370
|
543 |
{ |
544 |
"es1370",
|
545 |
"ENSONIQ AudioPCI ES1370",
|
546 |
0,
|
547 |
0,
|
548 |
{ .init_pci = es1370_init } |
549 |
}, |
550 |
#endif
|
551 |
|
552 |
#ifdef CONFIG_HDA
|
553 |
{ |
554 |
"hda",
|
555 |
"Intel HD Audio",
|
556 |
0,
|
557 |
0,
|
558 |
{ .init_pci = intel_hda_and_codec_init } |
559 |
}, |
560 |
#endif
|
561 |
|
562 |
#endif /* HAS_AUDIO_CHOICE */ |
563 |
|
564 |
{ NULL, NULL, 0, 0, { NULL } } |
565 |
}; |
566 |
|
567 |
void select_soundhw(const char *optarg) |
568 |
{ |
569 |
struct soundhw *c;
|
570 |
|
571 |
if (*optarg == '?') { |
572 |
show_valid_cards:
|
573 |
|
574 |
printf("Valid sound card names (comma separated):\n");
|
575 |
for (c = soundhw; c->name; ++c) {
|
576 |
printf ("%-11s %s\n", c->name, c->descr);
|
577 |
} |
578 |
printf("\n-soundhw all will enable all of the above\n");
|
579 |
exit(*optarg != '?');
|
580 |
} |
581 |
else {
|
582 |
size_t l; |
583 |
const char *p; |
584 |
char *e;
|
585 |
int bad_card = 0; |
586 |
|
587 |
if (!strcmp(optarg, "all")) { |
588 |
for (c = soundhw; c->name; ++c) {
|
589 |
c->enabled = 1;
|
590 |
} |
591 |
return;
|
592 |
} |
593 |
|
594 |
p = optarg; |
595 |
while (*p) {
|
596 |
e = strchr(p, ',');
|
597 |
l = !e ? strlen(p) : (size_t) (e - p); |
598 |
|
599 |
for (c = soundhw; c->name; ++c) {
|
600 |
if (!strncmp(c->name, p, l) && !c->name[l]) {
|
601 |
c->enabled = 1;
|
602 |
break;
|
603 |
} |
604 |
} |
605 |
|
606 |
if (!c->name) {
|
607 |
if (l > 80) { |
608 |
fprintf(stderr, |
609 |
"Unknown sound card name (too big to show)\n");
|
610 |
} |
611 |
else {
|
612 |
fprintf(stderr, "Unknown sound card name `%.*s'\n",
|
613 |
(int) l, p);
|
614 |
} |
615 |
bad_card = 1;
|
616 |
} |
617 |
p += l + (e != NULL);
|
618 |
} |
619 |
|
620 |
if (bad_card) {
|
621 |
goto show_valid_cards;
|
622 |
} |
623 |
} |
624 |
} |
625 |
|
626 |
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
|
627 |
{ |
628 |
struct soundhw *c;
|
629 |
|
630 |
for (c = soundhw; c->name; ++c) {
|
631 |
if (c->enabled) {
|
632 |
if (c->isa) {
|
633 |
if (isa_bus) {
|
634 |
c->init.init_isa(isa_bus); |
635 |
} |
636 |
} else {
|
637 |
if (pci_bus) {
|
638 |
c->init.init_pci(pci_bus); |
639 |
} |
640 |
} |
641 |
} |
642 |
} |
643 |
} |
644 |
#else
|
645 |
void select_soundhw(const char *optarg) |
646 |
{ |
647 |
} |
648 |
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
|
649 |
{ |
650 |
} |
651 |
#endif
|
652 |
|
653 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
654 |
{ |
655 |
int ret;
|
656 |
|
657 |
if (strlen(str) != 36) { |
658 |
return -1; |
659 |
} |
660 |
|
661 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
662 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
663 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
664 |
&uuid[15]);
|
665 |
|
666 |
if (ret != 16) { |
667 |
return -1; |
668 |
} |
669 |
#ifdef TARGET_I386
|
670 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
671 |
#endif
|
672 |
return 0; |
673 |
} |
674 |
|
675 |
void do_acpitable_option(const char *optarg) |
676 |
{ |
677 |
#ifdef TARGET_I386
|
678 |
if (acpi_table_add(optarg) < 0) { |
679 |
fprintf(stderr, "Wrong acpi table provided\n");
|
680 |
exit(1);
|
681 |
} |
682 |
#endif
|
683 |
} |
684 |
|
685 |
void do_smbios_option(const char *optarg) |
686 |
{ |
687 |
#ifdef TARGET_I386
|
688 |
if (smbios_entry_add(optarg) < 0) { |
689 |
fprintf(stderr, "Wrong smbios provided\n");
|
690 |
exit(1);
|
691 |
} |
692 |
#endif
|
693 |
} |
694 |
|
695 |
void cpudef_init(void) |
696 |
{ |
697 |
#if defined(cpudef_setup)
|
698 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
699 |
#endif
|
700 |
} |
701 |
|
702 |
int audio_available(void) |
703 |
{ |
704 |
#ifdef HAS_AUDIO
|
705 |
return 1; |
706 |
#else
|
707 |
return 0; |
708 |
#endif
|
709 |
} |
710 |
|
711 |
int tcg_available(void) |
712 |
{ |
713 |
return 1; |
714 |
} |
715 |
|
716 |
int kvm_available(void) |
717 |
{ |
718 |
#ifdef CONFIG_KVM
|
719 |
return 1; |
720 |
#else
|
721 |
return 0; |
722 |
#endif
|
723 |
} |
724 |
|
725 |
int xen_available(void) |
726 |
{ |
727 |
#ifdef CONFIG_XEN
|
728 |
return 1; |
729 |
#else
|
730 |
return 0; |
731 |
#endif
|
732 |
} |