diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2020-07-01 15:38:30 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-07-01 21:29:39 +0200 |
| commit | 695ef2ddb23a75efd3b82c7a3b36cfe0ae671c86 (patch) | |
| tree | 959d329f58ab03ad23003409b81f5def469a6a87 /docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md | |
| parent | 39acb39de241670ec7f96312c37e4e84f97f5f19 (diff) | |
docs/linux: use OpenSBI instead of BBL to boot linux/riscv64 QEMU VM
OpenSBI seems to be the recommended boot method nowadays, see e.g. [1],
[2]
[1] https://riscv.org/2019/01/risc-v-community-releases-opensbi-to-foster-continued-ecosystem-growth/
[2] https://wiki.freebsd.org/riscv#OpenSBI
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md')
| -rw-r--r-- | docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md b/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md index aa160fc03..bb8ba55d3 100644 --- a/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md +++ b/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md @@ -22,21 +22,23 @@ Also enable the [recommended Kconfig options for syzkaller](/docs/linux/kernel_c Then build kernel with: ``` -make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- -j $(nproc) vmlinux +make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- -j $(nproc) ``` -# BBL (Berkeley Boot Loader) +# OpenSBI -Clone the BBL repository and build the bootable image containg bootloader and kernel: +Clone the OpenSBI repository and build the bootable OpenSBI image containg the kernel: ```shell -git clone https://github.com/riscv/riscv-pk -cd riscv-pk -mkdir build && cd build -../configure --enable-logo --host=riscv64-linux-gnu --with-payload=/path/to/linux/vmlinux -make +git clone https://github.com/riscv/opensbi +cd opensbi +make CROSS_COMPILE=riscv64-linux-gnu- PLATFORM_RISCV_XLEN=64 PLATFORM=generic FW_PAYLOAD_PATH=<linux_build_directory>/arch/riscv/boot/Image ``` +See the OpenSBI documentation for booting on the +[QEMU RISC-V Virt Machine Platform](https://github.com/riscv/opensbi/blob/master/docs/platform/qemu_virt.md) +for more information. + # Image We will use buildroot to create the disk image. You can obtain buildroot @@ -94,7 +96,7 @@ Run: qemu-system-riscv64 \ -machine virt \ -nographic \ - -kernel /riscv-pk/build/bbl \ + -kernel /opensbi/build/platform/generic/firmware/fw_payload.elf \ -append "root=/dev/vda ro console=ttyS0" \ -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-device,rng=rng0 \ @@ -135,7 +137,7 @@ Create the manager config `riscv64.cfg` similar to the following one (adjusting "type": "qemu", "vm": { "count": 1, - "kernel": "/riscv-pk/build/bbl", + "kernel": "/opensbi/build/platform/generic/firmware/fw_payload.elf", "cpu": 2, "mem": 2048 } |