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206362fe92
If we have USE="initramfs savedconfig" we may exclude the microcode from installation. This should be handled gracefully in the hooks. Signed-off-by: Andrew Ammerlaan <andrewammerlaan@gentoo.org>
44 lines
1.3 KiB
Bash
44 lines
1.3 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2024 Gentoo Authors
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# This script is installed by sys-kernel/linux-firmware, it is executed by
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# the traditional installkernel, NOT by systemd's kernel-install. I.e. this
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# plugin is run when the systemd USE flag is disabled or
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# SYSTEMD_KERNEL_INSTALL=0 is set in the environment.
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# familiar helpers, we intentionally don't use Gentoo functions.sh
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die() {
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echo -e " ${NOCOLOR-\e[1;31m*\e[0m }${*}" >&2
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exit 1
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}
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einfo() {
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echo -e " ${NOCOLOR-\e[1;32m*\e[0m }${*}" >&2
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}
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main() {
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# re-define for subst to work
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[[ -n ${NOCOLOR+yes} ]] && NOCOLOR=
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if [[ ${INSTALLKERNEL_INITRD_GENERATOR} == dracut ]]; then
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# Dracut bundles microcode in its initramfs images
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echo "initrd_generator=${INSTALLKERNEL_INITRD_GENERATOR} bundles CPU microcode, nothing to do here."
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exit 0
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fi
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# do nothing if somehow make-amd-ucode-img is not installed
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[[ -x $(command -v make-amd-ucode-img) ]] || die "make-amd-ucode-img command not available"
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[[ ${EUID} -eq 0 ]] || die "Please run this script as root"
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if [[ -d /lib/firmware/amd-ucode ]]; then
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einfo "Generating AMD CPU Microcode early initramfs image..."
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make-amd-ucode-img /boot/amd-uc.img /lib/firmware/amd-ucode ||
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die "make-amd-ucode-img failed"
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else
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einfo "No AMD CPU Microcode installed, nothing to do here."
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fi
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}
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main
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