From: Simon Glass <sjg@chromium.org>
Date: Fri, 19 Nov 2021 20:24:07 +0000 (-0700)
Subject: x86: coreboot: Add a sample script to build a qemu image
X-Git-Tag: v2025.01-rc5-pxa1908~1591^2~3^2
X-Git-Url: http://git.dujemihanovic.xyz/img/html/static/gitweb.css?a=commitdiff_plain;h=92302ab1a279859824ec0f2e3864be44e883bff9;p=u-boot.git

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>
---

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