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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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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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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 int ram_save_block(QEMUFile *f) |
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{ |
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static ram_addr_t current_addr = 0; |
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ram_addr_t saved_addr = current_addr; |
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ram_addr_t addr = 0;
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uint64_t total_ram = ram_bytes_total(); |
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int bytes_sent = 0; |
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while (addr < total_ram) {
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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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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 = qemu_get_ram_ptr(current_addr); |
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if (is_dup_page(p, *p)) {
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qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS); |
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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, current_addr | RAM_SAVE_FLAG_PAGE); |
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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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addr += TARGET_PAGE_SIZE; |
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current_addr = (saved_addr + addr) % total_ram; |
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} |
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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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ram_addr_t addr; |
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ram_addr_t count = 0;
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uint64_t total_ram = ram_bytes_total(); |
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for (addr = 0; addr < total_ram; 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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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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uint64_t total_ram = ram_bytes_total(); |
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bytes_transferred = 0;
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/* Make sure all dirty bits are set */
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for (addr = 0; addr < total_ram; addr += TARGET_PAGE_SIZE) { |
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if (!cpu_physical_memory_get_dirty(addr, 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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/* Enable dirty memory tracking */
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cpu_physical_memory_set_dirty_tracking(1);
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qemu_put_be64(f, total_ram | RAM_SAVE_FLAG_MEM_SIZE); |
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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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} |
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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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} |
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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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/* 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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} |
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qemu_put_be64(f, RAM_SAVE_FLAG_EOS); |
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expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; |
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return (stage == 2) && (expected_time <= migrate_max_downtime()); |
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} |
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int ram_load(QEMUFile *f, void *opaque, int version_id) |
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{ |
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ram_addr_t addr; |
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int flags;
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if (version_id != 3) { |
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return -EINVAL;
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} |
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do {
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addr = qemu_get_be64(f); |
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flags = addr & ~TARGET_PAGE_MASK; |
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addr &= TARGET_PAGE_MASK; |
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if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
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if (addr != ram_bytes_total()) {
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return -EINVAL;
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} |
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} |
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if (flags & RAM_SAVE_FLAG_COMPRESS) {
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uint8_t ch = qemu_get_byte(f); |
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memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE); |
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#ifndef _WIN32
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if (ch == 0 && |
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(!kvm_enabled() || kvm_has_sync_mmu())) { |
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madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, |
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MADV_DONTNEED); |
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} |
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#endif
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} else if (flags & RAM_SAVE_FLAG_PAGE) { |
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qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE); |
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} |
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if (qemu_file_has_error(f)) {
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return -EIO;
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} |
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} while (!(flags & RAM_SAVE_FLAG_EOS));
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return 0; |
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} |
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void qemu_service_io(void) |
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{ |
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qemu_notify_event(); |
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} |
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#ifdef HAS_AUDIO
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struct soundhw soundhw[] = {
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#ifdef HAS_AUDIO_CHOICE
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#if defined(TARGET_I386) || defined(TARGET_MIPS)
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{ |
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"pcspk",
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"PC speaker",
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0,
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1,
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{ .init_isa = pcspk_audio_init } |
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}, |
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#endif
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#ifdef CONFIG_SB16
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{ |
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"sb16",
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"Creative Sound Blaster 16",
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0,
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1,
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{ .init_isa = SB16_init } |
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}, |
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#endif
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#ifdef CONFIG_CS4231A
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{ |
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"cs4231a",
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"CS4231A",
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0,
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1,
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{ .init_isa = cs4231a_init } |
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}, |
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#endif
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#ifdef CONFIG_ADLIB
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{ |
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"adlib",
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#ifdef HAS_YMF262
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"Yamaha YMF262 (OPL3)",
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#else
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"Yamaha YM3812 (OPL2)",
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#endif
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0,
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1,
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{ .init_isa = Adlib_init } |
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}, |
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#endif
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#ifdef CONFIG_GUS
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{ |
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"gus",
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"Gravis Ultrasound GF1",
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0,
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1,
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{ .init_isa = GUS_init } |
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}, |
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#endif
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#ifdef CONFIG_AC97
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{ |
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"ac97",
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"Intel 82801AA AC97 Audio",
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0,
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0,
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{ .init_pci = ac97_init } |
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}, |
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#endif
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#ifdef CONFIG_ES1370
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{ |
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"es1370",
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"ENSONIQ AudioPCI ES1370",
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0,
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0,
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{ .init_pci = es1370_init } |
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}, |
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#endif
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#endif /* HAS_AUDIO_CHOICE */ |
380 |
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{ NULL, NULL, 0, 0, { NULL } } |
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}; |
383 |
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void select_soundhw(const char *optarg) |
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{ |
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struct soundhw *c;
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if (*optarg == '?') { |
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show_valid_cards:
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printf("Valid sound card names (comma separated):\n");
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for (c = soundhw; c->name; ++c) {
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printf ("%-11s %s\n", c->name, c->descr);
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} |
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printf("\n-soundhw all will enable all of the above\n");
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exit(*optarg != '?');
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} |
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else {
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size_t l; |
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const char *p; |
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char *e;
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int bad_card = 0; |
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if (!strcmp(optarg, "all")) { |
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for (c = soundhw; c->name; ++c) {
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c->enabled = 1;
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} |
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return;
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} |
410 |
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p = optarg; |
412 |
while (*p) {
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e = strchr(p, ',');
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l = !e ? strlen(p) : (size_t) (e - p); |
415 |
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for (c = soundhw; c->name; ++c) {
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if (!strncmp(c->name, p, l) && !c->name[l]) {
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c->enabled = 1;
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break;
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} |
421 |
} |
422 |
|
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if (!c->name) {
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if (l > 80) { |
425 |
fprintf(stderr, |
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"Unknown sound card name (too big to show)\n");
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} |
428 |
else {
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fprintf(stderr, "Unknown sound card name `%.*s'\n",
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(int) l, p);
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} |
432 |
bad_card = 1;
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} |
434 |
p += l + (e != NULL);
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} |
436 |
|
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if (bad_card) {
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goto show_valid_cards;
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} |
440 |
} |
441 |
} |
442 |
#else
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void select_soundhw(const char *optarg) |
444 |
{ |
445 |
} |
446 |
#endif
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447 |
|
448 |
int qemu_uuid_parse(const char *str, uint8_t *uuid) |
449 |
{ |
450 |
int ret;
|
451 |
|
452 |
if (strlen(str) != 36) { |
453 |
return -1; |
454 |
} |
455 |
|
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ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], |
457 |
&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], |
458 |
&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], |
459 |
&uuid[15]);
|
460 |
|
461 |
if (ret != 16) { |
462 |
return -1; |
463 |
} |
464 |
#ifdef TARGET_I386
|
465 |
smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid); |
466 |
#endif
|
467 |
return 0; |
468 |
} |
469 |
|
470 |
void do_acpitable_option(const char *optarg) |
471 |
{ |
472 |
#ifdef TARGET_I386
|
473 |
if (acpi_table_add(optarg) < 0) { |
474 |
fprintf(stderr, "Wrong acpi table provided\n");
|
475 |
exit(1);
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476 |
} |
477 |
#endif
|
478 |
} |
479 |
|
480 |
void do_smbios_option(const char *optarg) |
481 |
{ |
482 |
#ifdef TARGET_I386
|
483 |
if (smbios_entry_add(optarg) < 0) { |
484 |
fprintf(stderr, "Wrong smbios provided\n");
|
485 |
exit(1);
|
486 |
} |
487 |
#endif
|
488 |
} |
489 |
|
490 |
void cpudef_init(void) |
491 |
{ |
492 |
#if defined(cpudef_setup)
|
493 |
cpudef_setup(); /* parse cpu definitions in target config file */
|
494 |
#endif
|
495 |
} |
496 |
|
497 |
int audio_available(void) |
498 |
{ |
499 |
#ifdef HAS_AUDIO
|
500 |
return 1; |
501 |
#else
|
502 |
return 0; |
503 |
#endif
|
504 |
} |
505 |
|
506 |
int kvm_available(void) |
507 |
{ |
508 |
#ifdef CONFIG_KVM
|
509 |
return 1; |
510 |
#else
|
511 |
return 0; |
512 |
#endif
|
513 |
} |
514 |
|
515 |
int xen_available(void) |
516 |
{ |
517 |
#ifdef CONFIG_XEN
|
518 |
return 1; |
519 |
#else
|
520 |
return 0; |
521 |
#endif
|
522 |
} |