52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
#!/bin/sh
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#
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# SPDX-License-Identifier: LGPL-2.1+
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#
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# Copyright (c) 2021 Valve.
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#
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# SteamOS kdump module construction/inclusion script for
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# Dracut-based initramfs.
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#
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# Only include kdump if it is explicitly asked in the argument list
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check() {
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return 255
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}
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installkernel() {
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hostonly='' instmods ext4
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}
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install() {
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# Having a valid /etc/default/kdump is essential for kdump.
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if [ ! -s "/etc/default/kdump" ]; then
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return 1
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fi
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. /etc/default/kdump
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# First clear all unnecessary firmwares/drivers added by drm in order to
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# reduce the size of this minimal initramfs being created. This should
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# be already done via command-line arguments, but let's play safe and delete
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# from here as well just in case.
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rm -rf "$initdir"/usr/lib/firmware/amdgpu/
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rm -rf "$initdir"/usr/lib/modules/*/kernel/drivers/gpu/drm/amd/*
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# Install necessary binaries
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inst date
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inst sync
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inst makedumpfile
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mkdir -p "$initdir"/usr/lib/kdump
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# Determine the numerical devnode for kdump, and save it on initrd;
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# notice that partset link is not available that early in boot time.
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DEVN="$(readlink -f "${MOUNT_DEVNODE}")"
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echo "${DEVN}" > "$initdir"/usr/lib/kdump/kdump.devnode
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cp -LR --preserve=all /usr/lib/kdump/* "$initdir"/usr/lib/kdump/
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cp -LR --preserve=all /etc/default/kdump "$initdir"/usr/lib/kdump/kdump.etc
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inst_hook pre-mount 01 "$moddir/kdump-collect.sh"
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}
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