From 92302ab1a279859824ec0f2e3864be44e883bff9 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Fri, 19 Nov 2021 13:24:07 -0700 Subject: [PATCH] x86: coreboot: Add a sample script to build a qemu image It is useful to boot coreboot (with U-Boot as a payload) from qemu. Add a sample script to show how to do this. Signed-off-by: Simon Glass --- scripts/build-cb.sh | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100755 scripts/build-cb.sh diff --git a/scripts/build-cb.sh b/scripts/build-cb.sh new file mode 100755 index 0000000000..1da708fb6e --- /dev/null +++ b/scripts/build-cb.sh @@ -0,0 +1,19 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0+ +# +# Sample script to build a disk image suitable for use with coreboot. The image +# includes a kernel and initrd. +# +# YOU WILL NEED to modify this for your needs, e.g. select a kernel. +# +# Run this with: +# qemu-system-i386 -bios coreboot.rom -drive file=disk.img,if=virtio + +qemu-img create -f raw disk.img 120M +mkfs.ext2 -F disk.img +sudo mkdir -p /mnt/rootfs +sudo mount -o loop disk.img /mnt/rootfs +sudo mkdir -p /mnt/rootfs/boot +sudo cp /boot/vmlinuz /mnt/rootfs/boot/. +sudo cp /boot/initrd.img /mnt/rootfs/boot/. +sudo umount /mnt/rootfs