BSP大作业

虚拟机配置Ubuntu20.04

参考教程：虚拟机配置Ubuntu20.04新手全流程

搭建QEMU

参考教程：无需开发板，5分钟通过qemu搭建嵌入式Linux自学环境

QEMU启动脚本

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qemu-system-aarch64 \
    -machine virt \
    -cpu cortex-a57 \
    -m 2G \
    -kernel /home/linqiutian/workspace/linux/arch/arm64/boot/Image \
    -initrd /home/linqiutian/workspace/initramfs_arm64.img \
    -append "console=ttyAMA0 root=/dev/ram rdinit=/sbin/init" \
    -fsdev local,id=fsdev0,path=/home/linqiutian/workspace/hello,security_model=none \
    -device virtio-9p-pci,fsdev=fsdev0,mount_tag=hostshare \
    -nographic

挂载共享空间

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mkdir -p /mnt/share  
mount -t 9p -o trans=virtio,version=9p2000.L hostshare /mnt/share