check_dependencies() { # Check if qemu is installed if [ -z "$(which qemu-system-x86_64)" ]; then echo "Please install qemu first!" exit 1 fi # Check if brctl is installed if [ -z "$(which brctl)" ]; then echo "Please install bridge-utils first!" exit 1 fi # Check if dnsmasq is installed if [ -z "$(which dnsmasq)" ]; then echo "Please install dnsmasq first!" exit 1 fi # Check if iptable is installed if [ -z "$(which iptables)" ]; then echo "Please install iptables first!" exit 1 fi } check_dependencies # 进行启动前检查 flag_can_run=1 ARGS=`getopt -o p -l bios:,display: -- "$@"` eval set -- "${ARGS}" echo "$@" allflags= # allflags=$(qemu-system-x86_64 -cpu help | awk '/flags/ {y=1; getline}; y {print}' | tr ' ' '\n' | grep -Ev "^$" | sed -r 's|^|+|' | tr '\n' ',' | sed -r "s|,$||") # 设置ARCH环境变量,如果没有设置,就默认为x86_64 export ARCH=${ARCH:=x86_64} echo "ARCH=${ARCH}" #ARCH="i386" # 请根据自己的需要,在-d 后方加入所需的 trace 事件 # 标准的trace events qemu_trace_std=cpu_reset,guest_errors,trace:virtio*,trace:e1000e_rx*,trace:e1000e_tx*,trace:e1000e_irq* # 调试usb的trace 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_* # 根据架构设置qemu的加速方式 if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then qemu_accel="kvm" if [ $(uname) == Darwin ]; then qemu_accel=hvf fi fi # uboot版本 UBOOT_VERSION="v2023.10" RISCV64_UBOOT_PATH="arch/riscv64/u-boot-${UBOOT_VERSION}-riscv64" DISK_NAME="disk-${ARCH}.img" QEMU=qemu-system-${ARCH} QEMU_DISK_IMAGE="../bin/${DISK_NAME}" QEMU_MEMORY="512M" QEMU_MEMORY_BACKEND="dragonos-qemu-shm.ram" QEMU_MEMORY_BACKEND_PATH_PREFIX="/dev/shm" QEMU_SHM_OBJECT="-object memory-backend-file,size=${QEMU_MEMORY},id=${QEMU_MEMORY_BACKEND},mem-path=${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND},share=on " QEMU_SMP="2,cores=2,threads=1,sockets=1" QEMU_MONITOR="-monitor stdio" QEMU_TRACE="${qemu_trace_std}" QEMU_CPU_FEATURES="" QEMU_RTC_CLOCK="" QEMU_SERIAL="-serial file:../serial_opt.txt" QEMU_DRIVE="id=disk,file=${QEMU_DISK_IMAGE},if=none" QEMU_ACCELARATE="" QEMU_ARGUMENT="" # 如果qemu_accel不为空 if [ -n "${qemu_accel}" ]; then QEMU_ACCELARATE="-machine accel=${qemu_accel} -enable-kvm " fi if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then QEMU_MACHINE=" -machine q35,memory-backend=${QEMU_MEMORY_BACKEND} " QEMU_CPU_FEATURES+="-cpu IvyBridge,apic,x2apic,+fpu,check,+vmx,${allflags}" QEMU_RTC_CLOCK+=" -rtc clock=host,base=localtime" else QEMU_MACHINE=" -machine virt,memory-backend=${QEMU_MEMORY_BACKEND} -cpu sifive-u54 " fi if [ ${ARCH} == "riscv64" ]; then # 如果是riscv64架构,就不需要图形界面 QEMU_ARGUMENT+=" --nographic " # 从控制台显示 QEMU_MONITOR="" QEMU_SERIAL="" fi # 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 # 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 " QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580 -device virtio-net-pci,vectors=5,netdev=hostnet0,id=net0 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " # E1000E # 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 " QEMU_ARGUMENT+="-d ${QEMU_DISK_IMAGE} -m ${QEMU_MEMORY} -smp ${QEMU_SMP} -boot order=d ${QEMU_MONITOR} -d ${qemu_trace_std} " QEMU_ARGUMENT+="-s ${QEMU_MACHINE} ${QEMU_CPU_FEATURES} ${QEMU_RTC_CLOCK} ${QEMU_SERIAL} -drive ${QEMU_DRIVE} ${QEMU_DEVICES} " QEMU_ARGUMENT+=" ${QEMU_SHM_OBJECT} " QEMU_ARGUMENT+=" ${QEMU_ACCELARATE} " # 安装riscv64的uboot install_riscv_uboot() { if [ ! -d ${RISCV64_UBOOT_PATH} ]; then echo "正在下载u-boot..." uboot_tar_name="u-boot-${UBOOT_VERSION}-riscv64.tar.xz" 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) if [ ! -f ${uboot_tar_name} ]; then wget https://mirrors.dragonos.org.cn/pub/third_party/u-boot/${uboot_tar_name} || (echo "下载riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) fi echo "下载完成" echo "正在解压u-boot到 '$uboot_parent_path'..." mkdir -p $uboot_parent_path tar xvf u-boot-${UBOOT_VERSION}-riscv64.tar.xz -C ${uboot_parent_path} || (echo "解压riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) echo "解压完成" rm -rf u-boot-${UBOOT_VERSION}-riscv64.tar.xz fi echo "riscv u-boot 版本 ${UBOOT_VERSION} 已经安装" } if [ $flag_can_run -eq 1 ]; then while true;do case "$1" in --bios) case "$2" in uefi) #uefi启动新增ovmf.fd固件 BIOS_TYPE=uefi ;; legacy) BIOS_TYPE=legacy ;; esac;shift 2;; --display) case "$2" in vnc) QEMU_ARGUMENT+=" -display vnc=:00" ;; window) ;; esac;shift 2;; *) break esac done # 删除共享内存 sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} if [ ${BIOS_TYPE} == uefi ] ;then if [ ${ARCH} == x86_64 ] ;then sudo ${QEMU} -bios arch/x86_64/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} elif [ ${ARCH} == i386 ] ;then sudo ${QEMU} -bios arch/i386/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} elif [ ${ARCH} == riscv64 ] ;then install_riscv_uboot sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} 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 sudo ${QEMU} ${QEMU_ARGUMENT} elif [ ${ARCH} == riscv64 ] ;then # 如果是riscv64架构,就与efi启动一样 install_riscv_uboot sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} else echo "不支持的架构: ${ARCH}" fi fi # 删除共享内存 sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} else echo "不满足运行条件" fi