1check_dependencies() 2{ 3 # Check if qemu is installed 4 if [ -z "$(which qemu-system-x86_64)" ]; then 5 echo "Please install qemu first!" 6 exit 1 7 fi 8 9 # Check if brctl is installed 10 if [ -z "$(which brctl)" ]; then 11 echo "Please install bridge-utils first!" 12 exit 1 13 fi 14 15 # Check if dnsmasq is installed 16 if [ -z "$(which dnsmasq)" ]; then 17 echo "Please install dnsmasq first!" 18 exit 1 19 fi 20 21 # Check if iptable is installed 22 if [ -z "$(which iptables)" ]; then 23 echo "Please install iptables first!" 24 exit 1 25 fi 26 27} 28 29check_dependencies 30 31# 进行启动前检查 32flag_can_run=1 33ARGS=`getopt -o p -l bios:,display: -- "$@"` 34eval set -- "${ARGS}" 35echo "$@" 36allflags= 37# allflags=$(qemu-system-x86_64 -cpu help | awk '/flags/ {y=1; getline}; y {print}' | tr ' ' '\n' | grep -Ev "^$" | sed -r 's|^|+|' | tr '\n' ',' | sed -r "s|,$||") 38# 设置ARCH环境变量，如果没有设置，就默认为x86_64 39export ARCH=${ARCH:=x86_64} 40echo "ARCH=${ARCH}" 41#ARCH="i386" 42# 请根据自己的需要，在-d 后方加入所需的 trace 事件 43 44# 标准的trace events 45qemu_trace_std=cpu_reset,guest_errors,trace:virtio*,trace:e1000e_rx*,trace:e1000e_tx*,trace:e1000e_irq* 46# 调试usb的trace 47qemu_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_* 48 49# 根据架构设置qemu的加速方式 50if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then 51 qemu_accel="kvm" 52 if [ $(uname) == Darwin ]; then 53 qemu_accel=hvf 54 else 55 # 判断系统kvm模块是否加载 56 if [ ! -e /dev/kvm ]; then 57 # kvm模块未加载，使用tcg加速 58 qemu_accel="tcg" 59 fi 60 fi 61fi 62 63# uboot版本 64UBOOT_VERSION="v2023.10" 65RISCV64_UBOOT_PATH="arch/riscv64/u-boot-${UBOOT_VERSION}-riscv64" 66 67 68DISK_NAME="disk-${ARCH}.img" 69 70QEMU=qemu-system-${ARCH} 71QEMU_DISK_IMAGE="../bin/${DISK_NAME}" 72QEMU_MEMORY="512M" 73QEMU_MEMORY_BACKEND="dragonos-qemu-shm.ram" 74QEMU_MEMORY_BACKEND_PATH_PREFIX="/dev/shm" 75QEMU_SHM_OBJECT="-object memory-backend-file,size=${QEMU_MEMORY},id=${QEMU_MEMORY_BACKEND},mem-path=${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND},share=on " 76QEMU_SMP="2,cores=2,threads=1,sockets=1" 77QEMU_MONITOR="-monitor stdio" 78QEMU_TRACE="${qemu_trace_std}" 79QEMU_CPU_FEATURES="" 80QEMU_RTC_CLOCK="" 81QEMU_SERIAL="-serial file:../serial_opt.txt" 82QEMU_DRIVE="id=disk,file=${QEMU_DISK_IMAGE},if=none" 83QEMU_ACCELARATE="" 84QEMU_ARGUMENT="" 85QEMU_DEVICES="" 86BIOS_TYPE="" 87#这个变量为true则使用virtio磁盘 88VIRTIO_BLK_DEVICE=false 89# 如果qemu_accel不为空 90if [ -n "${qemu_accel}" ]; then 91 QEMU_ACCELARATE=" -machine accel=${qemu_accel} " 92 if [ "${qemu_accel}" == "kvm" ]; then 93 QEMU_ACCELARATE+=" -enable-kvm " 94 fi 95fi 96 97if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then 98 QEMU_MACHINE=" -machine q35,memory-backend=${QEMU_MEMORY_BACKEND} " 99 QEMU_CPU_FEATURES+="-cpu IvyBridge,apic,x2apic,+fpu,check,+vmx,${allflags}" 100 QEMU_RTC_CLOCK+=" -rtc clock=host,base=localtime" 101 if [ ${VIRTIO_BLK_DEVICE} == false ]; then 102 QEMU_DEVICES_DISK+="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 " 103 else 104 QEMU_DEVICES_DISK="-device virtio-blk-pci,drive=disk -device pci-bridge,chassis_nr=1,id=pci.1 -device pcie-root-port " 105 fi 106 107else 108 QEMU_MACHINE=" -machine virt,memory-backend=${QEMU_MEMORY_BACKEND} -cpu sifive-u54 " 109 QEMU_DEVICES_DISK="-device virtio-blk-device,drive=disk " 110 111fi 112 113if [ ${ARCH} == "riscv64" ]; then 114# 如果是riscv64架构，就不需要图形界面 115 QEMU_ARGUMENT+=" --nographic " 116 # 从控制台显示 117 QEMU_MONITOR="" 118 QEMU_SERIAL="" 119fi 120 121while true;do 122 case "$1" in 123 --bios) 124 case "$2" in 125 uefi) #uefi启动新增ovmf.fd固件 126 BIOS_TYPE=uefi 127 ;; 128 legacy) 129 BIOS_TYPE=legacy 130 ;; 131 esac;shift 2;; 132 --display) 133 case "$2" in 134 vnc) 135 QEMU_ARGUMENT+=" -display vnc=:00 " 136 ;; 137 window) 138 ;; 139 nographic) 140 QEMU_SERIAL=" -serial mon:stdio " 141 QEMU_MONITOR="" 142 QEMU_ARGUMENT+=" --nographic " 143 QEMU_ARGUMENT+=" -kernel ../bin/kernel/kernel.elf " 144 145 ;; 146 esac;shift 2;; 147 *) break 148 esac 149 done 150 151 152# ps: 下面这条使用tap的方式，无法dhcp获取到ip，暂时不知道为什么 153# QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -net nic,netdev=nic0 -netdev tap,id=nic0,model=virtio-net-pci,script=qemu/ifup-nat,downscript=qemu/ifdown-nat -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 154QEMU_DEVICES+="${QEMU_DEVICES_DISK} " 155QEMU_DEVICES+=" -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 " 156# E1000E 157# 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 " 158QEMU_ARGUMENT+="-d ${QEMU_DISK_IMAGE} -m ${QEMU_MEMORY} -smp ${QEMU_SMP} -boot order=d ${QEMU_MONITOR} -d ${qemu_trace_std} " 159 160QEMU_ARGUMENT+="-s ${QEMU_MACHINE} ${QEMU_CPU_FEATURES} ${QEMU_RTC_CLOCK} ${QEMU_SERIAL} -drive ${QEMU_DRIVE} ${QEMU_DEVICES} " 161QEMU_ARGUMENT+=" ${QEMU_SHM_OBJECT} " 162QEMU_ARGUMENT+=" ${QEMU_ACCELARATE} " 163 164 165 166# 安装riscv64的uboot 167install_riscv_uboot() 168{ 169 170 if [ ! -d ${RISCV64_UBOOT_PATH} ]; then 171 echo "正在下载u-boot..." 172 uboot_tar_name="u-boot-${UBOOT_VERSION}-riscv64.tar.xz" 173 174 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) 175 176 if [ ! -f ${uboot_tar_name} ]; then 177 wget https://mirrors.dragonos.org.cn/pub/third_party/u-boot/${uboot_tar_name} || (echo "下载riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) 178 fi 179 echo "下载完成" 180 echo "正在解压u-boot到 '$uboot_parent_path'..." 181 mkdir -p $uboot_parent_path 182 tar xvf u-boot-${UBOOT_VERSION}-riscv64.tar.xz -C ${uboot_parent_path} || (echo "解压riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) 183 echo "解压完成" 184 rm -rf u-boot-${UBOOT_VERSION}-riscv64.tar.xz 185 fi 186 echo "riscv u-boot 版本 ${UBOOT_VERSION} 已经安装" 187} 188 189 190if [ $flag_can_run -eq 1 ]; then 191 192 193# 删除共享内存 194sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} 195 196if [ ${BIOS_TYPE} == uefi ] ;then 197 if [ ${ARCH} == x86_64 ] ;then 198 sudo ${QEMU} -bios arch/x86_64/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} 199 elif [ ${ARCH} == i386 ] ;then 200 sudo ${QEMU} -bios arch/i386/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} 201 elif [ ${ARCH} == riscv64 ] ;then 202 install_riscv_uboot 203 sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} 204 else 205 echo "不支持的架构: ${ARCH}" 206 fi 207else 208 # 如果是i386架构或者x86_64架构，就直接启动 209 if [ ${ARCH} == x86_64 ] || [ ${ARCH} == i386 ] ;then 210 sudo ${QEMU} ${QEMU_ARGUMENT} 211 elif [ ${ARCH} == riscv64 ] ;then 212 # 如果是riscv64架构，就与efi启动一样 213 install_riscv_uboot 214 sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} 215 else 216 echo "不支持的架构: ${ARCH}" 217 fi 218fi 219 220# 删除共享内存 221sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} 222else 223 echo "不满足运行条件" 224fi 225