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 [ $(uname) == Darwin ]; then 53 qemu_accel=hvf 54 fi 55fi 56 57# uboot版本 58UBOOT_VERSION="v2023.10" 59RISCV64_UBOOT_PATH="arch/riscv64/u-boot-${UBOOT_VERSION}-riscv64" 60 61 62DISK_NAME="disk-${ARCH}.img" 63 64QEMU=qemu-system-${ARCH} 65QEMU_DISK_IMAGE="../bin/${DISK_NAME}" 66QEMU_MEMORY="512M" 67QEMU_MEMORY_BACKEND="dragonos-qemu-shm.ram" 68QEMU_MEMORY_BACKEND_PATH_PREFIX="/dev/shm" 69QEMU_SHM_OBJECT="-object memory-backend-file,size=${QEMU_MEMORY},id=${QEMU_MEMORY_BACKEND},mem-path=${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND},share=on " 70QEMU_SMP="2,cores=2,threads=1,sockets=1" 71QEMU_MONITOR="-monitor stdio" 72QEMU_TRACE="${qemu_trace_std}" 73QEMU_CPU_FEATURES="" 74QEMU_RTC_CLOCK="" 75QEMU_SERIAL="-serial file:../serial_opt.txt" 76QEMU_DRIVE="id=disk,file=${QEMU_DISK_IMAGE},if=none" 77QEMU_ACCELARATE="" 78QEMU_ARGUMENT="" 79QEMU_DEVICES="" 80BIOS_TYPE="" 81#这个变量为true则使用virtio磁盘 82VIRTIO_BLK_DEVICE=false 83# 如果qemu_accel不为空 84if [ -n "${qemu_accel}" ]; then 85 QEMU_ACCELARATE="-machine accel=${qemu_accel} -enable-kvm " 86fi 87 88if [ ${ARCH} == "i386" ] || [ ${ARCH} == "x86_64" ]; then 89 QEMU_MACHINE=" -machine q35,memory-backend=${QEMU_MEMORY_BACKEND} " 90 QEMU_CPU_FEATURES+="-cpu IvyBridge,apic,x2apic,+fpu,check,+vmx,${allflags}" 91 QEMU_RTC_CLOCK+=" -rtc clock=host,base=localtime" 92 if [ ${VIRTIO_BLK_DEVICE} == false ]; then 93 QEMU_DEVICES_DISK+="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 " 94 else 95 QEMU_DEVICES_DISK="-device virtio-blk-pci,drive=disk -device pci-bridge,chassis_nr=1,id=pci.1 -device pcie-root-port " 96 fi 97 98else 99 QEMU_MACHINE=" -machine virt,memory-backend=${QEMU_MEMORY_BACKEND} -cpu sifive-u54 " 100 QEMU_DEVICES_DISK="-device virtio-blk-device,drive=disk " 101 102fi 103 104if [ ${ARCH} == "riscv64" ]; then 105# 如果是riscv64架构，就不需要图形界面 106 QEMU_ARGUMENT+=" --nographic " 107 # 从控制台显示 108 QEMU_MONITOR="" 109 QEMU_SERIAL="" 110fi 111 112while true;do 113 case "$1" in 114 --bios) 115 case "$2" in 116 uefi) #uefi启动新增ovmf.fd固件 117 BIOS_TYPE=uefi 118 ;; 119 legacy) 120 BIOS_TYPE=legacy 121 ;; 122 esac;shift 2;; 123 --display) 124 case "$2" in 125 vnc) 126 QEMU_ARGUMENT+=" -display vnc=:00 " 127 ;; 128 window) 129 ;; 130 nographic) 131 QEMU_SERIAL=" -serial mon:stdio " 132 QEMU_MONITOR="" 133 QEMU_ARGUMENT+=" --nographic " 134 QEMU_ARGUMENT+=" -kernel ../bin/kernel/kernel.elf " 135 136 ;; 137 esac;shift 2;; 138 *) break 139 esac 140 done 141 142 143# ps: 下面这条使用tap的方式，无法dhcp获取到ip，暂时不知道为什么 144# QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -net nic,netdev=nic0 -netdev tap,id=nic0,model=virtio-net-pci,script=qemu/ifup-nat,downscript=qemu/ifdown-nat -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 145QEMU_DEVICES+="${QEMU_DEVICES_DISK} " 146QEMU_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 " 147# E1000E 148# 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 " 149QEMU_ARGUMENT+="-d ${QEMU_DISK_IMAGE} -m ${QEMU_MEMORY} -smp ${QEMU_SMP} -boot order=d ${QEMU_MONITOR} -d ${qemu_trace_std} " 150 151QEMU_ARGUMENT+="-s ${QEMU_MACHINE} ${QEMU_CPU_FEATURES} ${QEMU_RTC_CLOCK} ${QEMU_SERIAL} -drive ${QEMU_DRIVE} ${QEMU_DEVICES} " 152QEMU_ARGUMENT+=" ${QEMU_SHM_OBJECT} " 153QEMU_ARGUMENT+=" ${QEMU_ACCELARATE} " 154 155 156 157# 安装riscv64的uboot 158install_riscv_uboot() 159{ 160 161 if [ ! -d ${RISCV64_UBOOT_PATH} ]; then 162 echo "正在下载u-boot..." 163 uboot_tar_name="u-boot-${UBOOT_VERSION}-riscv64.tar.xz" 164 165 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) 166 167 if [ ! -f ${uboot_tar_name} ]; then 168 wget https://mirrors.dragonos.org.cn/pub/third_party/u-boot/${uboot_tar_name} || (echo "下载riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) 169 fi 170 echo "下载完成" 171 echo "正在解压u-boot到 '$uboot_parent_path'..." 172 mkdir -p $uboot_parent_path 173 tar xvf u-boot-${UBOOT_VERSION}-riscv64.tar.xz -C ${uboot_parent_path} || (echo "解压riscv u-boot 版本 ${UBOOT_VERSION} 失败" && exit 1) 174 echo "解压完成" 175 rm -rf u-boot-${UBOOT_VERSION}-riscv64.tar.xz 176 fi 177 echo "riscv u-boot 版本 ${UBOOT_VERSION} 已经安装" 178} 179 180 181if [ $flag_can_run -eq 1 ]; then 182 183 184# 删除共享内存 185sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} 186 187if [ ${BIOS_TYPE} == uefi ] ;then 188 if [ ${ARCH} == x86_64 ] ;then 189 sudo ${QEMU} -bios arch/x86_64/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} 190 elif [ ${ARCH} == i386 ] ;then 191 sudo ${QEMU} -bios arch/i386/efi/OVMF-pure-efi.fd ${QEMU_ARGUMENT} 192 elif [ ${ARCH} == riscv64 ] ;then 193 install_riscv_uboot 194 sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} 195 else 196 echo "不支持的架构: ${ARCH}" 197 fi 198else 199 # 如果是i386架构或者x86_64架构，就直接启动 200 if [ ${ARCH} == x86_64 ] || [ ${ARCH} == i386 ] ;then 201 sudo ${QEMU} ${QEMU_ARGUMENT} 202 elif [ ${ARCH} == riscv64 ] ;then 203 # 如果是riscv64架构，就与efi启动一样 204 install_riscv_uboot 205 sudo ${QEMU} -kernel ${RISCV64_UBOOT_PATH}/u-boot.bin ${QEMU_ARGUMENT} 206 else 207 echo "不支持的架构: ${ARCH}" 208 fi 209fi 210 211# 删除共享内存 212sudo rm -rf ${QEMU_MEMORY_BACKEND_PATH_PREFIX}/${QEMU_MEMORY_BACKEND} 213else 214 echo "不满足运行条件" 215fi 216