438 lines
14 KiB
Bash
Executable File
438 lines
14 KiB
Bash
Executable File
#!/bin/bash
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#
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# DragonOS QEMU启动脚本
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#
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# 环境变量支持:
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# - DRAGONOS_LOGLEVEL: 设置内核日志级别 (0-7)
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# 0: EMERG 1: ALERT 2: CRIT 3: ERR
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# 4: WARN 5: NOTICE 6: INFO 7: DEBUG
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# 示例: export DRAGONOS_LOGLEVEL=4 # 只显示WARN及以上级别的日志
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#
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# - AUTO_TEST: 自动测试选项
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# - SYSCALL_TEST_DIR: 系统调用测试目录
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#
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check_dependencies()
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{
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# Check if qemu is installed
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if [ -z "$(which qemu-system-x86_64)" ]; then
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echo "Please install qemu first!"
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exit 1
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fi
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if [ -z "$(which ${QEMU})" ]; then
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if [ "$ARCH" == "loongarch64" ]; then
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echo -e "\nPlease install qemu-system-loongarch64 first!"
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echo -e "\nYou can install it by running: (if you are using ubuntu)"
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echo -e " ${ROOT_PATH}/tools/qemu/build-qemu-la64-for-ubuntu.sh"
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echo -e ""
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exit 1
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fi
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fi
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# Check if brctl is installed
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if [ -z "$(which brctl)" ]; then
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echo "Please install bridge-utils first!"
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exit 1
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fi
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# Check if dnsmasq is installed
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if [ -z "$(which dnsmasq)" ]; then
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echo "Please install dnsmasq first!"
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exit 1
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fi
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# Check if iptable is installed
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if [ -z "$(which iptables)" ]; then
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echo "Please install iptables first!"
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exit 1
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fi
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}
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# 进行启动前检查
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flag_can_run=1
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ARGS=`getopt -o p -l bios:,display: -- "$@"`
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eval set -- "${ARGS}"
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echo "$@"
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allflags=
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# allflags=$(qemu-system-x86_64 -cpu help | awk '/flags/ {y=1; getline}; y {print}' | tr ' ' '\n' | grep -Ev "^$" | sed -r 's|^|+|' | tr '\n' ',' | sed -r "s|,$||")
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# 设置ARCH环境变量，如果没有设置，就默认为x86_64
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export ARCH=${ARCH:=x86_64}
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echo "ARCH=${ARCH}"
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#ARCH="i386"
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# 请根据自己的需要，在-d 后方加入所需的 trace 事件
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# 标准的trace events
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qemu_trace_std=cpu_reset,guest_errors,trace:virtio*,trace:e1000e_rx*,trace:e1000e_tx*,trace:e1000e_irq*
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# 调试usb的trace
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qemu_trace_usb=trace:usb_xhci_reset,trace:usb_xhci_run,trace:usb_xhci_stop,trace:usb_xhci_irq_msi,trace:usb_xhci_irq_msix,trace:usb_xhci_port_reset,trace:msix_write_config,trace:usb_xhci_irq_msix,trace:usb_xhci_irq_msix_use,trace:usb_xhci_irq_msix_unuse,trace:usb_xhci_irq_msi,trace:usb_xhci_*
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# 根据架构设置qemu的加速方式
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if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
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qemu_accel="kvm"
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if [ $(uname) == Darwin ]; then
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qemu_accel=hvf
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else
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# 判断系统kvm模块是否加载
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if [ ! -e /dev/kvm ]; then
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# kvm模块未加载，使用tcg加速
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qemu_accel="tcg"
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fi
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fi
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fi
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# uboot版本
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UBOOT_VERSION="v2023.10"
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RISCV64_UBOOT_PATH="arch/riscv64/u-boot-${UBOOT_VERSION}-riscv64"
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DISK_NAME="disk-image-${ARCH}.img"
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EXT4_DISK_NAME="ext4.img"
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FAT_DISK_NAME="fat.img"
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QEMU=$(which qemu-system-${ARCH})
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QEMU_DISK_IMAGE="../bin/${DISK_NAME}"
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QEMU_EXT4_DISK_IMAGE="../bin/${EXT4_DISK_NAME}"
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QEMU_FAT_DISK_IMAGE="../bin/${FAT_DISK_NAME}"
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QEMU_MEMORY="2G"
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# 检查必要的环境变量
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if [ -z "${ROOT_PATH}" ]; then
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echo "[错误] ROOT_PATH 环境变量未设置"
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echo "[错误] 请通过 Makefile 运行本脚本 (make qemu, make run 等)"
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exit 1
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fi
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# 状态文件目录（优先使用环境变量，否则使用默认值）
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VMSTATE_DIR="${VMSTATE_DIR:-${ROOT_PATH}/bin/vmstate}"
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mkdir -p "${VMSTATE_DIR}"
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# 分配可用端口的函数
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find_free_port() {
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local start_port=$1
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local port=$start_port
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while netstat -tuln 2>/dev/null | grep -q ":${port} " || \
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ss -tuln 2>/dev/null | grep -q ":${port} "; do
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port=$((port + 1))
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done
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echo $port
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}
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# 先分配网络端口
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HOST_PORT=$(find_free_port 12580)
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# GDB端口从网络端口的下一位开始搜索，确保不重复
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GDB_PORT=$(find_free_port $((HOST_PORT + 1)))
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# 写入状态文件
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echo "${HOST_PORT}" > "${VMSTATE_DIR}/port"
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echo "${GDB_PORT}" > "${VMSTATE_DIR}/gdb"
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QEMU_SMP="2,cores=2,threads=1,sockets=1"
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QEMU_MONITOR_ARGS=(-monitor stdio)
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QEMU_TRACE="${qemu_trace_std}"
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QEMU_CPU_FEATURES=""
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QEMU_RTC_CLOCK=""
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QEMU_SERIAL_LOG_FILE="../serial_opt.txt"
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QEMU_SERIAL_ARGS=(-serial "file:${QEMU_SERIAL_LOG_FILE}")
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QEMU_DRIVE_ARGS=(-drive "id=disk,file=${QEMU_DISK_IMAGE},if=none,format=raw")
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QEMU_ACCEL_ARGS=()
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QEMU_DEVICE_ARGS=()
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QEMU_DISPLAY_ARGS=()
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QEMU_ARGS=()
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# QEMU_ARGUMENT+=" -S "
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if [ -f "${QEMU_EXT4_DISK_IMAGE}" ]; then
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QEMU_DRIVE_ARGS+=(-drive "id=ext4disk,file=${QEMU_EXT4_DISK_IMAGE},if=none,format=raw")
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fi
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if [ -f "${QEMU_FAT_DISK_IMAGE}" ]; then
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QEMU_DRIVE_ARGS+=(-drive "id=fatdisk,file=${QEMU_FAT_DISK_IMAGE},if=none,format=raw")
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fi
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check_dependencies
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# 设置无图形界面模式
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QEMU_NOGRAPHIC=false
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KERNEL_CMDLINE=" "
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# 自动测试选项，支持的选项：
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# - none: 不进行自动测试
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# - syscall: 进行gvisor系统调用测试
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AUTO_TEST=${AUTO_TEST:=none}
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# gvisor测试目录
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SYSCALL_TEST_DIR=${SYSCALL_TEST_DIR:=/opt/tests/gvisor}
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BIOS_TYPE=""
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#这个变量为true则使用virtio磁盘
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VIRTIO_BLK_DEVICE=true
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# 如果qemu_accel不为空
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if [ -n "${qemu_accel}" ]; then
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QEMU_ACCEL_ARGS=(-machine "accel=${qemu_accel}")
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if [ "${qemu_accel}" == "kvm" ]; then
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QEMU_ACCEL_ARGS+=(-enable-kvm)
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fi
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fi
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if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then
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# 根据加速方式设置机器参数
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# 仅在KVM加速时禁用HPET，以使用KVM clock作为时钟源
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# 非KVM加速（如TCG）时保留HPET，因为kvm-clock不可用
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if [ "${qemu_accel}" == "kvm" ]; then
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# KVM加速：禁用HPET，使用kvm-clock（性能更好且延迟更低）
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QEMU_MACHINE_ARGS=(-machine "q35,hpet=off")
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else
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# 非KVM加速
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QEMU_MACHINE_ARGS=(-machine q35)
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fi
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# 根据加速方式选择CPU型号：KVM使用host，TCG使用IvyBridge
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cpu_model=$([ "${qemu_accel}" == "kvm" ] && echo "host" || echo "IvyBridge")
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if [ -n "${allflags}" ]; then
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QEMU_CPU_ARGS=(-cpu "${cpu_model},apic,x2apic,+fpu,check,+vmx,${allflags}")
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else
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QEMU_CPU_ARGS=(-cpu "${cpu_model},apic,x2apic,+fpu,check,+vmx")
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fi
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# RTC配置：clock=host 使guest使用host的时钟源，支持kvm-clock
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# base=localtime 设置RTC基准时间为本地时间
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QEMU_RTC_ARGS=(-rtc clock=host,base=localtime)
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if [ ${VIRTIO_BLK_DEVICE} == false ]; then
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QEMU_DEVICE_DISK_ARGS=(-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0)
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else
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QEMU_DEVICE_DISK_ARGS=(-device virtio-blk-pci,drive=disk -device pci-bridge,chassis_nr=1,id=pci.1 -device pcie-root-port)
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fi
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if [ -f "${QEMU_EXT4_DISK_IMAGE}" ]; then
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QEMU_DEVICE_DISK_ARGS+=(-device virtio-blk-pci,drive=ext4disk)
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fi
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if [ -f "${QEMU_FAT_DISK_IMAGE}" ]; then
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QEMU_DEVICE_DISK_ARGS+=(-device virtio-blk-pci,drive=fatdisk)
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fi
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elif [ ${ARCH} == "riscv64" ]; then
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QEMU_MACHINE_ARGS=(-machine virt)
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QEMU_CPU_ARGS=(-cpu sifive-u54)
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QEMU_RTC_ARGS=()
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QEMU_DEVICE_DISK_ARGS=(-device virtio-blk-device,drive=disk)
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elif [ ${ARCH} == "loongarch64" ]; then
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QEMU_MACHINE_ARGS=(-machine virt)
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QEMU_CPU_ARGS=()
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QEMU_RTC_ARGS=()
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QEMU_DEVICE_DISK_ARGS=(-device virtio-blk-pci,drive=disk -device pci-bridge,chassis_nr=1,id=pci.1 -device pcie-root-port)
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else
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echo "Unsupported architecture: ${ARCH}"
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exit 1
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fi
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if [ ${ARCH} == "riscv64" ]; then
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# 如果是riscv64架构，就不需要图形界面
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QEMU_NOGRAPHIC=true
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fi
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while true;do
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case "$1" in
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--bios)
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case "$2" in
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uefi) #uefi启动新增ovmf.fd固件
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BIOS_TYPE=uefi
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;;
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legacy)
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BIOS_TYPE=legacy
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;;
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esac;shift 2;;
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--display)
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case "$2" in
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vnc)
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QEMU_DISPLAY_ARGS=(-display vnc=:00)
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;;
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window)
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;;
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nographic)
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QEMU_NOGRAPHIC=true
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;;
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esac;shift 2;;
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*) break
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esac
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done
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setup_kernel_init_program() {
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if [ ${ARCH} == "x86_64" ]; then
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KERNEL_CMDLINE+=" init=/bin/busybox init AUTO_TEST=${AUTO_TEST} SYSCALL_TEST_DIR=${SYSCALL_TEST_DIR} "
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# KERNEL_CMDLINE+=" init=/bin/dragonreach "
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elif [ ${ARCH} == "riscv64" ]; then
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KERNEL_CMDLINE+=" init=/bin/riscv_rust_init "
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fi
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}
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# 检测环境变量并设置内核命令行参数
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setup_kernel_cmdline_from_env() {
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# 检测 DRAGONOS_LOGLEVEL 环境变量
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# 设置内核日志级别，支持0-7:
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# 0: EMERG 1: ALERT 2: CRIT 3: ERR
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# 4: WARN 5: NOTICE 6: INFO 7: DEBUG
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if [ -n "${DRAGONOS_LOGLEVEL}" ]; then
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KERNEL_CMDLINE+=" loglevel=${DRAGONOS_LOGLEVEL} "
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echo "[INFO] Setting kernel loglevel to ${DRAGONOS_LOGLEVEL} from environment variable"
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fi
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# 检测其他环境变量可以在这里添加
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# 例如：
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# if [ -n "${DRAGONOS_DEBUG}" ]; then
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# KERNEL_CMDLINE+=" debug "
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# fi
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}
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# 设置内核init程序
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setup_kernel_init_program
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# 从环境变量设置内核命令行参数
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setup_kernel_cmdline_from_env
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if [ ${QEMU_NOGRAPHIC} == true ]; then
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QEMU_SERIAL_ARGS=(-serial chardev:mux -monitor chardev:mux -chardev "stdio,id=mux,mux=on,signal=off,logfile=${QEMU_SERIAL_LOG_FILE}")
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# 添加 virtio console 设备
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if [ ${ARCH} == "x86_64" ]; then
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QEMU_DEVICE_ARGS+=(-device virtio-serial -device virtconsole,chardev=mux)
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elif [ ${ARCH} == "loongarch64" ]; then
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QEMU_DEVICE_ARGS+=(-device virtio-serial -device virtconsole,chardev=mux)
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elif [ ${ARCH} == "riscv64" ]; then
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QEMU_DEVICE_ARGS+=(-device virtio-serial-device -device virtconsole,chardev=mux)
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fi
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KERNEL_CMDLINE=" console=/dev/hvc0 ${KERNEL_CMDLINE}"
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QEMU_MONITOR_ARGS=()
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QEMU_ARGS+=(--nographic)
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KERNEL_CMDLINE=$(echo "${KERNEL_CMDLINE}" | sed 's/^[ \t]*//;s/[ \t]*$//')
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if [ ${ARCH} == "x86_64" ]; then
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QEMU_ARGS+=(-kernel ../bin/kernel/kernel.elf -append "${KERNEL_CMDLINE}")
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elif [ ${ARCH} == "loongarch64" ]; then
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QEMU_ARGS+=(-kernel ../bin/kernel/kernel.elf -append "${KERNEL_CMDLINE}")
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elif [ ${ARCH} == "riscv64" ]; then
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QEMU_ARGS+=(-append "${KERNEL_CMDLINE}")
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fi
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fi
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# ps: 下面这条使用tap的方式，无法dhcp获取到ip，暂时不知道为什么
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# QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -net nic,netdev=nic0 -netdev tap,id=nic0,model=virtio-net-pci,script=qemu/ifup-nat,downscript=qemu/ifdown-nat -usb -device qemu-xhci,id=xhci,p2=8,p3=4 "
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QEMU_DEVICE_ARGS+=("${QEMU_DEVICE_DISK_ARGS[@]}")
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QEMU_DEVICE_ARGS+=(
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-netdev "user,id=hostnet0,hostfwd=tcp::${HOST_PORT}-:12580"
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-device "virtio-net-pci,vectors=5,netdev=hostnet0,id=net0"
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-usb
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-device "qemu-xhci,id=xhci,p2=8,p3=4"
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)
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# E1000E
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# QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580 -net nic,model=e1000e,netdev=hostnet0,id=net0 -netdev user,id=hostnet1,hostfwd=tcp::12581-:12581 -device virtio-net-pci,vectors=5,netdev=hostnet1,id=net1 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 "
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QEMU_ARGS+=(
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-m "${QEMU_MEMORY}"
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-smp "${QEMU_SMP}"
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-boot order=d
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)
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QEMU_ARGS+=("${QEMU_MONITOR_ARGS[@]}")
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QEMU_ARGS+=("${QEMU_DISPLAY_ARGS[@]}")
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QEMU_ARGS+=(-d "${qemu_trace_std}")
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QEMU_ARGS+=(
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"${QEMU_MACHINE_ARGS[@]}"
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"${QEMU_CPU_ARGS[@]}"
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"${QEMU_RTC_ARGS[@]}"
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"${QEMU_SERIAL_ARGS[@]}"
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"${QEMU_DRIVE_ARGS[@]}"
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"${QEMU_DEVICE_ARGS[@]}"
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)
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QEMU_ARGS+=("${QEMU_ACCEL_ARGS[@]}")
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QEMU_ARGS+=(-D ../qemu.log)
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# GDB调试支持（默认不暂停CPU；需要暂停请显式设置 QEMU_GDB_WAIT=1）
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QEMU_ARGS+=(-gdb "tcp::${GDB_PORT}")
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if [ "${QEMU_GDB_WAIT}" == "1" ]; then
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QEMU_ARGS+=(-S)
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fi
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# 安装riscv64的uboot
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install_riscv_uboot()
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{
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if [ ! -d ${RISCV64_UBOOT_PATH} ]; then
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echo "正在下载u-boot..."
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uboot_tar_name="u-boot-${UBOOT_VERSION}-riscv64.tar.xz"
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uboot_parent_path=$(dirname ${RISCV64_UBOOT_PATH}) || (echo "获取riscv u-boot 版本 ${UBOOT_VERSION} 的父目录失败" && exit 1)
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if [ ! -f ${uboot_tar_name} ]; then
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wget https://mirrors.dragonos.org.cn/pub/third_party/u-boot/${uboot_tar_name} || (echo "下载riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1)
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fi
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echo "下载完成"
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echo "正在解压u-boot到 '$uboot_parent_path'..."
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mkdir -p $uboot_parent_path
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tar xvf u-boot-${UBOOT_VERSION}-riscv64.tar.xz -C ${uboot_parent_path} || (echo "解压riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1)
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echo "解压完成"
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rm -rf u-boot-${UBOOT_VERSION}-riscv64.tar.xz
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fi
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echo "riscv u-boot 版本 ${UBOOT_VERSION} 已经安装"
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}
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if [ $flag_can_run -eq 1 ]; then
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# 清理旧的PID文件
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rm -f "${VMSTATE_DIR}/pid"
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# 启动QEMU的函数
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launch_qemu() {
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local -a bios_args=()
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if [ $# -gt 0 ]; then
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bios_args=("$@")
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fi
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echo "[QEMU] 启动中... (网络端口: ${HOST_PORT}, GDB端口: ${GDB_PORT})"
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if [ "${QEMU_GDB_WAIT}" == "1" ]; then
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echo "[QEMU] 等待GDB连接... (使用 'make gdb' 连接)"
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fi
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local -a cmd=("${QEMU}" "${bios_args[@]}" "${QEMU_ARGS[@]}")
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printf '[QEMU] 执行: sudo ' >&2
|
||
printf '%q ' "${cmd[@]}" >&2
|
||
printf '\n' >&2
|
||
sudo bash -c 'pidfile="$1"; shift; echo $$ > "$pidfile"; exec "$@"' bash "${VMSTATE_DIR}/pid" "${cmd[@]}"
|
||
}
|
||
|
||
if [ ${BIOS_TYPE} == uefi ] ;then
|
||
if [ ${ARCH} == x86_64 ] ;then
|
||
launch_qemu -bios arch/x86_64/efi/OVMF-pure-efi.fd
|
||
elif [ ${ARCH} == i386 ] ;then
|
||
launch_qemu -bios arch/i386/efi/OVMF-pure-efi.fd
|
||
elif [ ${ARCH} == riscv64 ] ;then
|
||
install_riscv_uboot
|
||
launch_qemu -kernel "${RISCV64_UBOOT_PATH}/u-boot.bin"
|
||
else
|
||
echo "不支持的架构: ${ARCH}"
|
||
fi
|
||
else
|
||
# 如果是i386架构或者x86_64架构，就直接启动
|
||
if [ ${ARCH} == x86_64 ] || [ ${ARCH} == i386 ] ;then
|
||
launch_qemu
|
||
elif [ ${ARCH} == riscv64 ] ;then
|
||
# 如果是riscv64架构，就与efi启动一样
|
||
install_riscv_uboot
|
||
launch_qemu -kernel "${RISCV64_UBOOT_PATH}/u-boot.bin"
|
||
elif [ ${ARCH} == loongarch64 ] ;then
|
||
launch_qemu
|
||
else
|
||
echo "不支持的架构: ${ARCH}"
|
||
fi
|
||
fi
|
||
else
|
||
echo "不满足运行条件"
|
||
fi
|