create_initramfs

#!/bin/sh

set -x

if [ -z "$1" ]; then
    echo "You need to supply an initrd file name"
    exit 1
fi

# Prepare microcode updates for AMD and Intel processors
DSTDIR=kernel/x86/microcode
INITRDNAME="$1"
INITRDPATH=/boot/grub/"$INITRDNAME".igz
INITRDDIR="$TMPDIR/$INITRDNAME"
mkdir -p "$INITRDDIR"
cd "$INITRDDIR"
mkdir -p "$DSTDIR"

if [ -d /lib/firmware/amd-ucode ]; then
    cat /lib/firmware/amd-ucode/microcode_amd*.bin > "$DSTDIR"/AuthenticAMD.bin
fi

if [ -d /lib/firmware/intel-ucode ]; then
    cat /lib/firmware/intel-ucode/* > "$DSTDIR"/GenuineIntel.bin
fi

ls -ltr "$TMPDIR"
find . | cpio -o -H newc > "$TMPDIR"/ucode.cpio
ls -ltr "$TMPDIR"

cd ..

# Clean up
rm -rf "$INITRDDIR"

cd /project/admin/initramfs
find .|cpio -H newc -o | gzip > "$TMPDIR/$INITRDNAME.igz"

#
cat "$TMPDIR"/ucode.cpio "$TMPDIR/$INITRDNAME.igz" > /boot/grub/"$INITRDNAME.igz"
rm "$TMPDIR"/ucode.cpio "$TMPDIR"/"$INITRDNAME.igz"