# Description: Microcode update image for AMD CPUs
# URL: https://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git;a=summary
# Maintainer: Tim Biermann, tbier at posteo dot de
# Depends on: linux-firmware

name=amd-ucode
version=20250509
release=1
source=(https://www.kernel.org/pub/linux/kernel/firmware/linux-firmware-$version.tar.xz)

build() {
  mkdir -p kernel/x86/microcode
  cat linux-firmware-$version/amd-ucode/microcode_amd*.bin > kernel/x86/microcode/AuthenticAMD.bin

  echo kernel/x86/microcode/AuthenticAMD.bin | bsdcpio -o -H newc -R 0:0 > amd-ucode.img

  install -Dt $PKG/boot -m644 amd-ucode.img
}