nuttx/boards/risc-v/qemu-rv/rv-virt/README.txt
Masayuki Ishikawa 8a70f8a76d boards: Add virtio blk driver to qemu-arm8a and rv-virt
Summary:
- This commit adds blk driver to qemu-armv8a:netnsh,
  rv-virt:netnsh and rv-virt:netnsh64
- Also updates README.txt

Impact:
- None

Testing:
- Tested with qemu-7.1

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
2023-05-13 13:58:09 +08:00

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1. Download and install toolchain
$ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz
2. Build and install qemu
$ git clone https://github.com/qemu/qemu
$ cd qemu
$ ./configure --target-list=riscv32-softmmu,riscv64-softmmu
$ make
$ sudo make install
3.1. Configure and build NuttX for BUILD_FLAT
$ mkdir ./nuttx; cd ./nuttx
$ git clone https://github.com/apache/nuttx.git nuttx
$ git clone https://github.com/apache/nuttx-apps.git apps
$ cd nuttx
$ make distclean
$ ./tools/configure.sh rv-virt:nsh
$ make V=1 -j7
3.2 Configure and build NuttX for BUILD_KERNEL, 64-bit or 32-bit
$ mkdir ./nuttx; cd ./nuttx
$ git clone https://github.com/apache/nuttx.git nuttx
$ git clone https://github.com/apache/nuttx-apps.git apps
$ cd nuttx
$ make distclean
$ # For 64-bit build.
$ ./tools/configure.sh rv-virt:knsh64
$ # For 32-bit build.
$ ./tools/configure.sh rv-virt:knsh32
$ make V=1 -j7
$ make export V=1
$ cd ../apps
$ ./tools/mkimport.sh -z -x ../nuttx/nuttx-export-*.tar.gz
$ make import V=1
$ cd ../nuttx
4. Run the nuttx with qemu
$ qemu-system-riscv32 -semihosting -M virt,aclint=on -cpu rv32 -smp 8 -bios none -kernel nuttx -nographic
or
$ qemu-system-riscv64 -semihosting -M virt,aclint=on -cpu rv64 -smp 8 -bios none -kernel nuttx -nographic
NuttShell (NSH) NuttX-10.3.0-RC1
nsh> mount -t hostfs -o fs=. /host
nsh> cat /host/AUTHORS
This is a list of all the contributors that have submitted ICLA, SGA
If you are not on this list and believe you should be, please inform us.
ICLA
====
...
nsh>
4. Run the virtio network and block driver with qemu
$ dd if=/dev/zero of=./mydisk-1gb.img bs=1M count=1024
$ qemu-system-riscv32 -semihosting -M virt,aclint=on -cpu rv32 -smp 8 \
-global virtio-mmio.force-legacy=false \
-drive file=./mydisk-1gb.img,if=none,format=raw,id=hd -device virtio-blk-device,drive=hd \
-netdev user,id=u1,hostfwd=tcp:127.0.0.1:10023-10.0.2.15:23,hostfwd=tcp:127.0.0.1:15001-10.0.2.15:5001 \
-device virtio-net-device,netdev=u1,bus=virtio-mmio-bus.0 \
-bios none -kernel nuttx -nographic
or
$ qemu-system-riscv64 -semihosting -M virt,aclint=on -cpu rv64 -smp 8 \
-global virtio-mmio.force-legacy=false \
-drive file=./mydisk-1gb.img,if=none,format=raw,id=hd -device virtio-blk-device,drive=hd \
-netdev user,id=u1,hostfwd=tcp:127.0.0.1:10023-10.0.2.15:23,hostfwd=tcp:127.0.0.1:15001-10.0.2.15:5001 \
-device virtio-net-device,netdev=u1,bus=virtio-mmio-bus.0 \
-bios none -kernel nuttx -nographic
5. TODO
Support FPU
Support RISC-V User mode