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 <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-11-19 13:24:07 -07:00 committed by Anatolij Gustschin
parent e567122b32
commit 92302ab1a2

19
scripts/build-cb.sh Executable file
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#!/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