Debian-Pi-Aarch64/RISC-V64_QEMU.md at ad417d54decdcefc3d2187071c60706f9a5e07c5

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RISC-V64 QEMU VM Example

ENV: Ubuntu 1804 X86_64

Install Base Package

apt-get install gcc libc6-dev pkg-config bridge-utils uml-utilities zlib1g-dev \
libglib2.0-dev autoconf automake libtool libsdl1.2-dev

Build riscv-gnu-toolchain

sudo apt-get install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev \
libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev

git clone https://gitee.com/mirrors/riscv-gnu-toolchain --depth=1
git rm --cached qemu
git submodule update --init --recursive
./configure --prefix=/opt/riscv-gnu-toolchain_install && make linux -j $(nproc --all)
echo 'export PATH=/opt/riscv-gnu-toolchain_install/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

Build Risc-V64 Qemu

git clone https://git.qemu.org/git/qemu.git  --depth=1
cd qemu
$ ./configure --target-list=riscv64-linux-user,riscv64-softmmu \
--prefix=/opt/qemu && make linux -j $(nproc --all)

Build Risc-V64 Kernel

git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git --depth=1
make ARCH=riscv defconfig
make ARCH=riscv menuconfig
make CROSS_COMPILE=riscv64-unknown-linux-gnu-  ARCH=riscv -j $(nproc --all)

Buidl Risc-V64 Debian rootFS

apt install mmdebstrap qemu-user-static binfmt-support \
debian-ports-archive-keyring -y

mmdebstrap --architectures=riscv64 --include="debian-ports-archive-keyring" sid \
/home/linux/riscv64-chroot \
"deb http://ftp.debian.org/debian-ports/ sid main" \
"deb http://ftp.debian.org/debian-ports/ unreleased main"

apt-get install debootstrap qemu-user-static binfmt-support \
debian-ports-archive-keyring -y
sudo debootstrap --arch=riscv64 --keyring /usr/share/keyrings/debian-ports-archive-keyring.gpg \
--include=debian-ports-archive-keyring unstable ./riscv64-chroot \
http://ftp.debian.org/debian-ports


then

cat >>/etc/network/interfaces <<EOF auto lo iface lo inet loopback

auto eth0 iface eth0 inet dhcp EOF

cat >>/etc/default/u-boot <<EOF U_BOOT_PARAMETERS="rw noquiet root=/dev/vda1" U_BOOT_FDT_DIR="noexist" EOF


CP kernel file.

cp Image /home/linux/riscv64-chroot/boot/


#### Build Risc-V64 U-Boot

git clone https://gitee.com/mirrors/u-boot.git --depth=1 make CROSS_COMPILE=riscv64-unknown-linux-gnu- qemu-riscv64_smode_defconfig make CROSS_COMPILE=riscv64-unknown-linux-gnu- -j $(nproc --all)


#### Build Risc-V OpenSBI

git clone https://gitee.com/mirrors/OpenSBI.git --depth=1 make CROSS_COMPILE=riscv64-unknown-linux-gnu- PLATFORM=generic
FW_PAYLOAD_PATH=../u-boot/u-boot.bin -j $(nproc --all)


#### Make Risc-V Qemu DTB

qemu-virt.dtb ./qemu-system-riscv64
-nographic
-M virt,dumpdtb=qemu-virt.dtb
-smp 2 -m 2G
-bios ./fw_jump.bin
-kernel ./u-boot.bin
-append "console=ttyS0 rw root=/dev/vda1"

dtc -I dtb -O dts -o qemu-virt.dts qemu-virt.dtb cp ./qemu-virt* /home/linux/riscv64-chroot/boot/


#### Make U-boot CMD and SCR

touch ./u-boot/boot.cmd cat >>./u-boot/boot.cmd <<EOF load virtio 0:1 0x80200000 /boot/Image load virtio 0:1 0x82000000 /boot/qemu-virt.dtb booti 0x80200000 - 0x82000000 EOF

./u-boot/tools/mkimage -A riscv -O linux -T script
-C none -a 0 -e 0 -n "Distro Boot Script"
-d ./u-boot/boot.cmd ./u-boot/boot.scr

cp ./u-boot/boot.scr /home/linux/riscv64-chroot/ cp ./u-boot/boot.cmd /home/linux/riscv64-chroot/


#### Make rootFS Image

apt-get install libguestfs-tools virt-make-fs --partition=gpt --type=ext4 --size=384MiB
/home/linux/riscv64-chroot rootfs.img

chown ${USER} rootfs.img


## Run Testing

#### Linux

/bin/bash
nohup
./qemu-system-riscv64
-nographic
-M virt -smp 2 -m 2G
-bios ./fw_jump.bin
-kernel ./u-boot.bin
-object rng-random,filename=/dev/urandom,id=rng0
-device virtio-rng-device,rng=rng0
-device virtio-blk-device,drive=hd0
-drive file=./rootfs.img,format=raw,id=hd0
-device virtio-net-device,netdev=usernet
-netdev user,id=usernet,hostfwd=tcp::22222-:22


#### Windows Example

"d:\Program Files\qemu\qemu-system-riscv64.exe"
-nographic -M virt -m 2G -smp 2
-bios d:\images\riscv64\fw_jump.bin
-kernel d:\images\riscv64\u-boot.bin
-device virtio-blk-device,drive=hd0
-drive file=d:\images\riscv64\rootfs.img,format=raw,id=hd0
-device virtio-net-device,netdev=usernet -netdev user,id=usernet,hostfwd=tcp::22222-:22


----

#### Note

**For Qemu used 9P**

./configure --enable-gtk --enable-virtfs -device virtio-9p-pci,id=fs0,fsdev=fsdev0,mount_tag=hostshare

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


**Some usefull**

- [https://github.com/riscvarchive/riscv-qemu/wiki](https://github.com/riscvarchive/riscv-qemu/wiki)

- [https://github.com/kvm-riscv/howto](https://github.com/kvm-riscv/howto)

- [https://github.com/kvm-riscv/howto/wiki/KVM-RISCV64-on-QEMU](https://github.com/kvm-riscv/howto/wiki/KVM-RISCV64-on-QEMU)

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