diff options
Diffstat (limited to 'sys-kernel/linux-firmware/files/35-amd-microcode-systemd.install')
| -rw-r--r-- | sys-kernel/linux-firmware/files/35-amd-microcode-systemd.install | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys-kernel/linux-firmware/files/35-amd-microcode-systemd.install b/sys-kernel/linux-firmware/files/35-amd-microcode-systemd.install new file mode 100644 index 000000000000..7f2586f29e66 --- /dev/null +++ b/sys-kernel/linux-firmware/files/35-amd-microcode-systemd.install @@ -0,0 +1,40 @@ +#!/usr/bin/env bash + +# Copyright 2024 Gentoo Authors +# This script is installed by sys-kernel/linux-firmware, it is executed by +# systemd's kernel-install, NOT by the traditional installkernel. I.e. this +# plugin is run when the systemd USE flag is enabled or +# SYSTEMD_KERNEL_INSTALL=1 is set in the environment. + +COMMAND="${1}" + +if [[ ${COMMAND} != add ]]; then + exit 0 +fi + +if [[ ${KERNEL_INSTALL_INITRD_GENERATOR} == dracut ]]; then + # Dracut bundles microcode in its initramfs images + [[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \ + "initrd_generator=${KERNEL_INSTALL_INITRD_GENERATOR} bundles CPU microcode, nothing to do here." + exit 0 +fi + +# do nothing if somehow make-amd-ucode-img is not installed +if ! command -v make-amd-ucode-img >/dev/null; then + [[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \ + "make-amd-ucode-img command not available" + exit 1 +fi + +if [[ -d /lib/firmware/amd-ucode ]]; then + [[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \ + "Generating AMD CPU Microcode early initramfs image..." + + make-amd-ucode-img \ + ${KERNEL_INSTALL_STAGING_AREA}/microcode-amd \ + /lib/firmware/amd-ucode || + { echo "make-amd-ucode-img failed" && exit 1; } +else + [[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \ + "No AMD CPU Microcode installed, nothing to do here." +fi |