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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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#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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#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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|
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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_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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#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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static int is_dup_page(uint8_t *page, uint8_t ch) |
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{ |
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uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch; |
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uint32_t *array = (uint32_t *)page; |
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int i;
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for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) { |
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if (array[i] != val) {
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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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ram_addr_t current_addr; |
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int bytes_sent = 0; |
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if (!block)
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block = QLIST_FIRST(&ram_list.blocks); |
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current_addr = block->offset + offset; |
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do {
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if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
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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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cpu_physical_memory_reset_dirty(current_addr, |
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current_addr + TARGET_PAGE_SIZE, |
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MIGRATION_DIRTY_FLAG); |
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p = block->host + offset; |
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if (is_dup_page(p, *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); |
160 |
if (!block)
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block = QLIST_FIRST(&ram_list.blocks); |
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} |
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current_addr = block->offset + offset; |
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} while (current_addr != 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 = block->offset; addr < block->offset + block->length;
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addr += TARGET_PAGE_SIZE) { |
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if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
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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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int ram_save_live(Monitor *mon, 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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if (stage < 0) { |
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cpu_physical_memory_set_dirty_tracking(0);
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return 0; |
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} |
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if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) { |
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qemu_file_set_error(f); |
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return 0; |
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} |
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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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/* Make sure all dirty bits are set */
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
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for (addr = block->offset; addr < block->offset + block->length;
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addr += TARGET_PAGE_SIZE) { |
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if (!cpu_physical_memory_get_dirty(addr,
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MIGRATION_DIRTY_FLAG)) { |
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cpu_physical_memory_set_dirty(addr); |
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} |
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} |
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} |
248 |
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/* Enable dirty memory tracking */
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cpu_physical_memory_set_dirty_tracking(1);
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qemu_put_be64(f, ram_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE); |
253 |
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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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|
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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 (!qemu_file_rate_limit(f)) {
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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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} |
273 |
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bwidth = qemu_get_clock_ns(rt_clock) - bwidth; |
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bwidth = (bytes_transferred - bytes_transferred_last) / bwidth; |
276 |
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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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} |
282 |
|
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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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cpu_physical_memory_set_dirty_tracking(0);
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} |
293 |
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qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
295 |
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expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
297 |
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return (stage == 2) && (expected_time <= migrate_max_downtime()); |
299 |
} |
300 |
|
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static inline void *host_from_stream_offset(QEMUFile *f, |
302 |
ram_addr_t offset, |
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int flags)
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{ |
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static RAMBlock *block = NULL; |
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char id[256]; |
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uint8_t len; |
308 |
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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; |
313 |
} |
314 |
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return block->host + offset;
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} |
317 |
|
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len = qemu_get_byte(f); |
319 |
qemu_get_buffer(f, (uint8_t *)id, len); |
320 |
id[len] = 0;
|
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|
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QLIST_FOREACH(block, &ram_list.blocks, next) { |
323 |
if (!strncmp(id, block->idstr, sizeof(id))) |
324 |
return block->host + offset;
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} |
326 |
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fprintf(stderr, "Can't find block %s!\n", id);
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return NULL; |
329 |
} |
330 |
|
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int ram_load(QEMUFile *f, void *opaque, int version_id) |
332 |
{ |
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ram_addr_t addr; |
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int flags;
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if (version_id < 3 || version_id > 4) { |
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return -EINVAL;
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} |
339 |
|
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do {
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addr = qemu_get_be64(f); |
342 |
|
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flags = addr & ~TARGET_PAGE_MASK; |
344 |
addr &= TARGET_PAGE_MASK; |
345 |
|
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if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
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if (version_id == 3) { |
348 |
if (addr != ram_bytes_total()) {
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return -EINVAL;
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} |
351 |
} else {
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/* Synchronize RAM block list */
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353 |
char id[256]; |
354 |
ram_addr_t length; |
355 |
ram_addr_t total_ram_bytes = addr; |
356 |
|
357 |
while (total_ram_bytes) {
|
358 |
RAMBlock *block; |
359 |
uint8_t len; |
360 |
|
361 |
len = qemu_get_byte(f); |
362 |
qemu_get_buffer(f, (uint8_t *)id, len); |
363 |
id[len] = 0;
|
364 |
length = qemu_get_be64(f); |
365 |
|
366 |
QLIST_FOREACH(block, &ram_list.blocks, next) { |
367 |
if (!strncmp(id, block->idstr, sizeof(id))) { |
368 |
if (block->length != length)
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return -EINVAL;
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370 |
break;
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371 |
} |
372 |
} |
373 |
|
374 |
if (!block) {
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375 |
fprintf(stderr, "Unknown ramblock \"%s\", cannot "
|
376 |
"accept migration\n", id);
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377 |
return -EINVAL;
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378 |
} |
379 |
|
380 |
total_ram_bytes -= length; |
381 |
} |
382 |
} |
383 |
} |
384 |
|
385 |
if (flags & RAM_SAVE_FLAG_COMPRESS) {
|
386 |
void *host;
|
387 |
uint8_t ch; |
388 |
|
389 |
if (version_id == 3) |
390 |
host = qemu_get_ram_ptr(addr); |
391 |
else
|
392 |
host = host_from_stream_offset(f, addr, flags); |
393 |
if (!host) {
|
394 |
return -EINVAL;
|
395 |
} |
396 |
|
397 |
ch = qemu_get_byte(f); |
398 |
memset(host, ch, TARGET_PAGE_SIZE); |
399 |
#ifndef _WIN32
|
400 |
if (ch == 0 && |
401 |
(!kvm_enabled() || kvm_has_sync_mmu())) { |
402 |
qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED); |
403 |
} |
404 |
#endif
|
405 |
} else if (flags & RAM_SAVE_FLAG_PAGE) { |
406 |
void *host;
|
407 |
|
408 |
if (version_id == 3) |
409 |
host = qemu_get_ram_ptr(addr); |
410 |
else
|
411 |
host = host_from_stream_offset(f, addr, flags); |
412 |
|
413 |
qemu_get_buffer(f, host, TARGET_PAGE_SIZE); |
414 |
} |
415 |
if (qemu_file_has_error(f)) {
|
416 |
return -EIO;
|
417 |
} |
418 |
} while (!(flags & RAM_SAVE_FLAG_EOS));
|
419 |
|
420 |
return 0; |
421 |
} |
422 |
|
423 |
void qemu_service_io(void) |
424 |
{ |
425 |
qemu_notify_event(); |
426 |
} |
427 |
|
428 |
#ifdef HAS_AUDIO
|
429 |
struct soundhw soundhw[] = {
|
430 |
#ifdef HAS_AUDIO_CHOICE
|
431 |
#if defined(TARGET_I386) || defined(TARGET_MIPS)
|
432 |
{ |
433 |
"pcspk",
|
434 |
"PC speaker",
|
435 |
0,
|
436 |
1,
|
437 |
{ .init_isa = pcspk_audio_init } |
438 |
}, |
439 |
#endif
|
440 |
|
441 |
#ifdef CONFIG_SB16
|
442 |
{ |
443 |
"sb16",
|
444 |
"Creative Sound Blaster 16",
|
445 |
0,
|
446 |
1,
|
447 |
{ .init_isa = SB16_init } |
448 |
}, |
449 |
#endif
|
450 |
|
451 |
#ifdef CONFIG_CS4231A
|
452 |
{ |
453 |
"cs4231a",
|
454 |
"CS4231A",
|
455 |
0,
|
456 |
1,
|
457 |
{ .init_isa = cs4231a_init } |
458 |
}, |
459 |
#endif
|
460 |
|
461 |
#ifdef CONFIG_ADLIB
|
462 |
{ |
463 |
"adlib",
|
464 |
#ifdef HAS_YMF262
|
465 |
"Yamaha YMF262 (OPL3)",
|
466 |
#else
|
467 |
"Yamaha YM3812 (OPL2)",
|
468 |
#endif
|
469 |
0,
|
470 |
1,
|
471 |
{ .init_isa = Adlib_init } |
472 |
}, |
473 |
#endif
|
474 |
|
475 |
#ifdef CONFIG_GUS
|
476 |
{ |
477 |
"gus",
|
478 |
"Gravis Ultrasound GF1",
|
479 |
0,
|
480 |
1,
|
481 |
{ .init_isa = GUS_init } |
482 |
}, |
483 |
#endif
|
484 |
|
485 |
#ifdef CONFIG_AC97
|
486 |
{ |
487 |
"ac97",
|
488 |
"Intel 82801AA AC97 Audio",
|
489 |
0,
|
490 |
0,
|
491 |
{ .init_pci = ac97_init } |
492 |
}, |
493 |
#endif
|
494 |
|
495 |
#ifdef CONFIG_ES1370
|
496 |
{ |
497 |
"es1370",
|
498 |
"ENSONIQ AudioPCI ES1370",
|
499 |
0,
|
500 |
0,
|
501 |
{ .init_pci = es1370_init } |
502 |
}, |
503 |
#endif
|
504 |
|
505 |
#endif /* HAS_AUDIO_CHOICE */ |
506 |
|
507 |
{ NULL, NULL, 0, 0, { NULL } } |
508 |
}; |
509 |
|
510 |
void select_soundhw(const char *optarg) |
511 |
{ |
512 |
struct soundhw *c;
|
513 |
|
514 |
if (*optarg == '?') { |
515 |
show_valid_cards:
|
516 |
|
517 |
printf("Valid sound card names (comma separated):\n");
|
518 |
for (c = soundhw; c->name; ++c) {
|
519 |
printf ("%-11s %s\n", c->name, c->descr);
|
520 |
} |
521 |
printf("\n-soundhw all will enable all of the above\n");
|
522 |
exit(*optarg != '?');
|
523 |
} |
524 |
else {
|
525 |
size_t l; |
526 |
const char *p; |
527 |
char *e;
|
528 |
int bad_card = 0; |
529 |
|
530 |
if (!strcmp(optarg, "all")) { |
531 |
for (c = soundhw; c->name; ++c) {
|
532 |
c->enabled = 1;
|
533 |
} |
534 |
return;
|
535 |
} |
536 |
|
537 |
p = optarg; |
538 |
while (*p) {
|
539 |
e = strchr(p, ',');
|
540 |
l = !e ? strlen(p) : (size_t) (e - p); |
541 |
|
542 |
for (c = soundhw; c->name; ++c) {
|
543 |
if (!strncmp(c->name, p, l) && !c->name[l]) {
|
544 |
c->enabled = 1;
|
545 |
break;
|
546 |
} |
547 |
} |
548 |
|
549 |
if (!c->name) {
|
550 |
if (l > 80) { |
551 |
fprintf(stderr, |
552 |
"Unknown sound card name (too big to show)\n");
|
553 |
} |
554 |
else {
|
555 |
fprintf(stderr, "Unknown sound card name `%.*s'\n",
|
556 |
(int) l, p);
|
557 |
} |
558 |
bad_card = 1;
|
559 |
} |
560 |
p += l + (e != NULL);
|
561 |
} |
562 |
|
563 |
if (bad_card) {
|
564 |
goto show_valid_cards;
|
565 |
} |
566 |
} |
567 |
} |
568 |
#else
|
569 |
void select_soundhw(const char *optarg) |
570 |
{ |
571 |
} |
572 |
#endif
|
573 |
|
574 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
575 |
{ |
576 |
int ret;
|
577 |
|
578 |
if (strlen(str) != 36) { |
579 |
return -1; |
580 |
} |
581 |
|
582 |
ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
583 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
584 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
585 |
&uuid[15]);
|
586 |
|
587 |
if (ret != 16) { |
588 |
return -1; |
589 |
} |
590 |
#ifdef TARGET_I386
|
591 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
592 |
#endif
|
593 |
return 0; |
594 |
} |
595 |
|
596 |
void do_acpitable_option(const char *optarg) |
597 |
{ |
598 |
#ifdef TARGET_I386
|
599 |
if (acpi_table_add(optarg) < 0) { |
600 |
fprintf(stderr, "Wrong acpi table provided\n");
|
601 |
exit(1);
|
602 |
} |
603 |
#endif
|
604 |
} |
605 |
|
606 |
void do_smbios_option(const char *optarg) |
607 |
{ |
608 |
#ifdef TARGET_I386
|
609 |
if (smbios_entry_add(optarg) < 0) { |
610 |
fprintf(stderr, "Wrong smbios provided\n");
|
611 |
exit(1);
|
612 |
} |
613 |
#endif
|
614 |
} |
615 |
|
616 |
void cpudef_init(void) |
617 |
{ |
618 |
#if defined(cpudef_setup)
|
619 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
620 |
#endif
|
621 |
} |
622 |
|
623 |
int audio_available(void) |
624 |
{ |
625 |
#ifdef HAS_AUDIO
|
626 |
return 1; |
627 |
#else
|
628 |
return 0; |
629 |
#endif
|
630 |
} |
631 |
|
632 |
int kvm_available(void) |
633 |
{ |
634 |
#ifdef CONFIG_KVM
|
635 |
return 1; |
636 |
#else
|
637 |
return 0; |
638 |
#endif
|
639 |
} |
640 |
|
641 |
int xen_available(void) |
642 |
{ |
643 |
#ifdef CONFIG_XEN
|
644 |
return 1; |
645 |
#else
|
646 |
return 0; |
647 |
#endif
|
648 |
} |