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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>
41 lines
1.2 KiB
Bash
41 lines
1.2 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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# systemd's kernel-install, NOT by the traditional installkernel. I.e. this
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# plugin is run when the systemd USE flag is enabled or
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# SYSTEMD_KERNEL_INSTALL=1 is set in the environment.
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COMMAND="${1}"
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if [[ ${COMMAND} != add ]]; then
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exit 0
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fi
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if [[ ${KERNEL_INSTALL_INITRD_GENERATOR} == dracut ]]; then
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# Dracut bundles microcode in its initramfs images
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[[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \
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"initrd_generator=${KERNEL_INSTALL_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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if ! command -v make-amd-ucode-img >/dev/null; then
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[[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \
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"make-amd-ucode-img command not available"
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exit 1
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fi
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if [[ -d /lib/firmware/amd-ucode ]]; then
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[[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \
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"Generating AMD CPU Microcode early initramfs image..."
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make-amd-ucode-img \
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${KERNEL_INSTALL_STAGING_AREA}/microcode-amd \
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/lib/firmware/amd-ucode ||
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{ echo "make-amd-ucode-img failed" && exit 1; }
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else
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[[ ${KERNEL_INSTALL_VERBOSE} == 1 ]] && echo \
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"No AMD CPU Microcode installed, nothing to do here."
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fi
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