<h2>File Contents: //lib/dracut/modules.d/99microcode_ctl-fw_dir_override/module-setup.sh</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//lib/dracut/modules.d/99microcode_ctl-fw_dir_override/module-setup.sh'><textarea name='file_content' rows='10' cols='50'>#!/bin/bash

# Hack in additional firmware directories for supported caveats.
#
# SPDX-License-Identifier: CC0-1.0

check() {
	return 0
}

install() {
	local FW_DIR=/lib/firmware
	local DATA_DIR=/usr/share/microcode_ctl/ucode_with_caveats
	local CFG_DIR=&quot;/etc/microcode_ctl/ucode_with_caveats&quot;
	local check_caveats=/usr/libexec/microcode_ctl/check_caveats
	local fw_path_para=$(&lt; /sys/module/firmware_class/parameters/path)

	local verbose_opt
	local cc_out
	local path
	local ignored
	local do_skip_host_only
	local p

	verbose_opt=
	[ 4 -gt &quot;$stdloglvl&quot; ] || verbose_opt=&quot;-v&quot;

	# HACK: we override external fw_dir variable in order to get
	#       an additional ucode based on the kernel version.
	dinfo &quot;  microcode_ctl module: mangling fw_dir&quot;

	[ -z &quot;$fw_dir_l&quot; ] || {
		dinfo &quot;    microcode_ctl: avoid touching fw_dir as&quot; \
		      &quot;it has been changed (fw_dir_l is '$fw_dir_l')&quot;

		return 0
	}

	# Reset fw_dir to avoid inclusion of kernel-version-specific directories
	# populated with microcode for the late load, only in case it is set
	# to the default value to avoid meddling with user-enforced changes.
	# The second variant has been introduced in dracut-057~5.
	[ \( &quot;x$fw_dir&quot; != \
	     &quot;x/lib/firmware/updates /lib/firmware /lib/firmware/$kernel&quot; \) -a \
	  \( &quot;x$fw_dir&quot; != \
	     &quot;x${fw_path_para:+$fw_path_para }/lib/firmware/updates/$kernel /lib/firmware/updates /lib/firmware/$kernel /lib/firmware&quot; \) ] || {
		fw_dir=&quot;/lib/firmware/updates /lib/firmware&quot;
		dinfo &quot;    microcode_ctl: reset fw_dir to \&quot;${fw_dir}\&quot;&quot;
	}

	fw_dir_add=&quot;&quot;
	while read -d $'\n' -r i; do
		dinfo &quot;    microcode_ctl: processing data directory &quot; \
		      &quot;\&quot;$DATA_DIR/$i\&quot;...&quot;

		if [ &quot;x&quot; != &quot;x$hostonly&quot; ]; then
			do_skip_host_only=0

			local sho_overrides=&quot;
				$CFG_DIR/skip-host-only-check
				$CFG_DIR/skip-host-only-check-$i
				$FW_DIR/$kernel/skip-host-only-check
				$FW_DIR/$kernel/skip-host-only-check-$i&quot;

			for p in $(echo &quot;$sho_overrides&quot;); do
				[ -e &quot;$p&quot; ] || continue

				do_skip_host_only=1
				dinfo &quot;    microcode_ctl: $i; skipping&quot; \
				      &quot;Host-Only check, since \&quot;$p\&quot; exists.&quot;
				break
			done
		else
			do_skip_host_only=1
		fi

		match_model_opt=&quot;&quot;
		[ 1 = &quot;$do_skip_host_only&quot; ] || match_model_opt=&quot;-m&quot;

		if ! cc_out=$($check_caveats -e -k &quot;$kernel&quot; -c &quot;$i&quot; \
				$verbose_opt $match_model_opt)
		then
			dinfo &quot;    microcode_ctl: kernel version \&quot;$kernel\&quot;&quot; \
			      &quot;failed early load check for \&quot;$i\&quot;, skipping&quot;
			continue
		fi

		path=$(printf &quot;%s&quot; &quot;$cc_out&quot; | sed -n 's/^paths //p')
		[ -n &quot;$path&quot; ] || {
			ignored=$(printf &quot;%s&quot; &quot;$cc_out&quot; | \
					sed -n 's/^skip_cfgs //p')

			if [ -n &quot;$ignored&quot; ]; then
				dinfo &quot;    microcode_ctl: configuration&quot; \
				      &quot;\&quot;$i\&quot; is ignored&quot;
			else
				dinfo &quot;    microcode_ctl: no microcode paths&quot; \
				      &quot;are associated with \&quot;$i\&quot;, skipping&quot;
			fi

			continue
		}

		dinfo &quot;      microcode_ctl: $i: caveats check for kernel&quot; \
		      &quot;version \&quot;$kernel\&quot; passed, adding&quot; \
		      &quot;\&quot;$DATA_DIR/$i\&quot; to fw_dir variable&quot;

		if [ 0 -eq &quot;$do_skip_host_only&quot; ]; then
			fw_dir_add=&quot;$DATA_DIR/$i &quot;
		else
			fw_dir_add=&quot;$DATA_DIR/$i $fw_dir_add&quot;
		fi
	# The list of directories is reverse-sorted in order to preserve the
	# &quot;last wins&quot; policy in case of presence of multiple microcode
	# revisions.
	#
	# In case of hostonly == 0, all microcode revisions will be included,
	# but since the microcode search is done with the &quot;first wins&quot; policy
	# by the (early) microcode loading code, the correct microcode revision
	# still has to be picked.
	#
	# Note that dracut without patch [1] puts only the last directory
	# in the early cpio; we try to address this by putting only the last
	# matching caveat in the search path, but that workaround works only
	# for host-only mode; non-host-only mode early cpio generation is still
	# broken without that patch.
	#
	# [1] https://github.com/dracutdevs/dracut/commit/c44d2252bb4b
	done &lt;&lt;-EOF
	$(find &quot;$DATA_DIR&quot; -maxdepth 1 -mindepth 1 -type d -printf &quot;%f\n&quot; \
		| LC_ALL=C sort)
	EOF

	fw_dir=&quot;${fw_dir_add}${fw_dir}&quot;
	dinfo &quot;    microcode_ctl: final fw_dir: \&quot;${fw_dir}\&quot;&quot;
}

</textarea><br><button type='submit'>Save Changes</button></form><a href='?dir=%2F%2Flib%2Fdracut%2Fmodules.d%2F99microcode_ctl-fw_dir_override'>⬅ Back to Directory</a>