diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2020-07-09 11:29:37 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-07-09 11:57:12 +0200 |
| commit | e2d3226c152b064706a6ef15f4595c482f6e6671 (patch) | |
| tree | 8461e8847ed79e11194b4fc895effd9c3d7ab612 /docs/linux | |
| parent | a864f3d20c4372bbd155d4f4b74b6da7f4b568a2 (diff) | |
docs/linux: use OpenSBI jump firmware in QEMU for linux/riscv64
Use the OpenSBI "jump" firmware with the QEMU -bios parameter to boot
linux/riscv64. This will allow to boot the kernel directly without
having to recompile OpenSBI every time the kernel is recompiled.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'docs/linux')
| -rw-r--r-- | docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md | 8 |
1 files changed, 5 insertions, 3 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 5ee484111..4ea83846f 100644 --- a/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md +++ b/docs/linux/setup_linux-host_qemu-vm_riscv64-kernel.md @@ -32,7 +32,7 @@ Clone the OpenSBI repository and build the bootable OpenSBI image containg the k ```shell 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 +make CROSS_COMPILE=riscv64-linux-gnu- PLATFORM_RISCV_XLEN=64 PLATFORM=generic ``` See the OpenSBI documentation for booting on the @@ -99,7 +99,8 @@ Run: qemu-system-riscv64 \ -machine virt \ -nographic \ - -kernel /opensbi/build/platform/generic/firmware/fw_payload.elf \ + -bios /opensbi/build/platform/generic/firmware/fw_jump.bin \ + -kernel /linux/arch/riscv/boot/Image \ -append "root=/dev/vda ro console=ttyS0" \ -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-device,rng=rng0 \ @@ -140,7 +141,8 @@ Create the manager config `riscv64.cfg` similar to the following one (adjusting "type": "qemu", "vm": { "count": 1, - "kernel": "/opensbi/build/platform/generic/firmware/fw_payload.elf", + "qemu_args": "-machine virt -bios /opensbi/build/platform/generic/firmware/fw_jump.bin", + "kernel": "/linux/arch/riscv/boot/Image", "cpu": 2, "mem": 2048 } |