rustsbi/prototyper/docs/booting-fedora-in-qemu-using-uboot-and-rustsbi.md

使用RustSBI & U-Boot在QEMU中启动 Fedora

本教程给出了使用RustSBI和U-Boot在QEMU中启动 Fedora 的基本流程。

本教程使用软件版本如下：

软件	版本
riscv64-linux-gnu-gcc	14.1.0
qemu-system-riscv64	9.0.1
RustSBI Prototyper	0.0.0
U-Boot	2024.04

准备RustSBI Prototyper， U-Boot ，Fedora

创建工作目录并进入该目录

$ mkdir workshop && cd workshop

Clone RustSBI Prototyper

$ git clone https://github.com/rustsbi/prototyper.git && cd prototyper && git checkout main && cd ..

Clone U-Boot

$ git clone https://github.com/u-boot/u-boot.git && cd u-boot && git checkout v2024.04 && cd ..

下载 Fedora 镜像文件

下载链接：https://dl.fedoraproject.org/pub/alt/risc-v/disk_images/Fedora-40/Fedora.riscv64-40-20240429.n.0.qcow2

$ mkdir -p fedora
$ cd fedora
$ wget https://dl.fedoraproject.org/pub/alt/risc-v/disk_images/Fedora-40/Fedora.riscv64-40-20240429.n.0.qcow2
$ cd ..

编译RustSBI Prototyper

进入prototyper目录

$ cd prototyper

编译RustSBI Prototyper

$ cargo prototyper

编译U-Boot SPL

进入U-Boot目录

$ cd u-boot

导出环境变量

$ export ARCH=riscv
$ export CROSS_COMPILE=riscv64-linux-gnu-
$ export OPENSBI=../prototyper/target/riscv64imac-unknown-none-elf/release/rustsbi-prototyper.bin 

生成.config文件,编译U-Boot

# To generate .config file out of board configuration file
$ make qemu-riscv64_spl_defconfig
$ sed -i.bak 's/CONFIG_BOOTCOMMAND=*/CONFIG_BOOTCOMMAND="fatload virtio 0:1 84000000 EFI\/Linux\/6.8.7-300.4.riscv64.fc40.riscv64.efi; setenv bootargs root=UUID=57cbf0ca-8b99-45ae-ae9d-3715598f11c4 ro rootflags=subvol=root rhgb LANG=en_US.UTF-8 console=ttyS0 earlycon=sbi; bootefi 0x84000000 - ${fdtcontroladdr};"/' .config
$ make -j$(nproc)

配置 cloud-init

$ touch network-config
$ touch meta-data
$ cat >user-data <<EOF

#cloud-config
password: password
chpasswd:
  expire: False
ssh_pwauth: True
EOF

genisoimage \
    -output seed.img \
    -volid cidata -rational-rock -joliet \
    user-data meta-data network-config

使用RustSBI 原型系统和U-Boot启动 Fedora

进入workshop目录

$ cd workshop

运行下面命令

$ qemu-system-riscv64 \
    -nographic -machine virt \
    -smp 4 -m 8G \
    -bios ./u-boot/spl/u-boot-spl  \
    -device loader,file=./u-boot/u-boot.itb,addr=0x80200000 \
    -drive file=./fedora/Fedora.riscv64-40-20240429.n.0.qcow2,format=qcow2,if=none,id=hd0 \
    -object rng-random,filename=/dev/urandom,id=rng0 \
    -device virtio-vga \
    -device virtio-rng-device,rng=rng0 \
    -device virtio-blk-device,drive=hd0 \
    -device virtio-net-device,netdev=usernet \
    -netdev user,id=usernet,hostfwd=tcp::12055-:22 \
    -device qemu-xhci -usb -device usb-kbd -device usb-tablet \
    -cdrom ./seed.img

帐号默认为 fedora，密码应为 cloud-init 配置过程中的 password 项值。