223 lines
5.5 KiB
Bash
223 lines
5.5 KiB
Bash
#!/bin/bash
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#
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# given a Module.base and modules.dep, generate list
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# of base / supported / unsupported modules
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set -e
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export LC_COLLATE=C
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usage()
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{
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echo "Usage: ${0##*/} -b Module.base [-d dir] [-i] [-e] [-o outdir]"
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echo " -i Ignore supported.conf errors"
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echo " -e Create the -extra filelist (otherwise, treat all modules as supported)"
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}
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options=$(getopt -o b:d:o:ie -- "$@")
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if test $? -ne 0; then
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usage >&2
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exit 1
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fi
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eval set -- "$options"
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opt_builddir=
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opt_out=.
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opt_dir=.
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opt_ignore_errors=false
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opt_extra=false
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while test $# -gt 0; do
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opt=$1
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shift
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case "$opt" in
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-b | -d | -o)
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arg=$1
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shift
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esac
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case "$opt" in
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-b)
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opt_builddir=$arg ;;
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-d)
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opt_dir=$arg ;;
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-o)
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opt_out=$arg ;;
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-i)
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opt_ignore_errors=true ;;
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-e)
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opt_extra=true ;;
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--)
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break ;;
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*)
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echo "Unknown option $opt" >&2
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exit 1
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esac
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done
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if test -z "$opt_builddir"; then
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usage >&2
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exit 1
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fi
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trap 'rm -rf "$tmp"' EXIT
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tmp=$(mktemp -d)
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mkdir "$tmp/empty"
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find "$opt_dir" -type f \( -name '*.ko' -o -name '*.ko.xz' -o -name '*.ko.gz' -o -name '*.ko.zst' \) -printf '/%P\n' | \
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awk -F/ '{ n=$NF; gsub(/-/, "_", n); sub(/\.ko(\.xz|\.gz|\.zst)?$/, "", n); print n " " $0; }' | \
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sort >"$tmp/all"
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err=false
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while read mod path; do
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if $opt_extra; then
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support=$(/sbin/modinfo -F supported "$opt_dir/$path")
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else
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support=yes
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fi
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case "$support" in
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yes | external)
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echo "$mod"
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;;
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no)
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;;
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"")
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echo "warning: $mod not listed in supported.conf" >&2
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;;
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*)
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echo "error: invalid support flag for $mod: $support" >&2
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err=true
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;;
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esac
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done <"$tmp/all" | sort -u >"$tmp/supp"
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if $err; then
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exit 1
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fi
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modules_dep=$(find "$opt_dir" -type f -name modules.dep)
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if test -z "$modules_dep"; then
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echo "Cannot find modules.dep in $opt_dir" >&2
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exit 1
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fi
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(
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echo '%:
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@echo $@
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ifdef EXPLAIN
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@for dep in $^; do echo "$$dep needed by $@"; done >> $(EXPLAIN)
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endif
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'
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sed -r 's:[^ ]*/([^/]*)\.ko(\.xz|\.gz|\.zst)?\>:\1:g; y/-/_/' "$modules_dep"
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) >"$tmp/dep"
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add_dependent_modules()
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{
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xargs -r make $MAKE_ARGS EXPLAIN=$1 -rRs -C "$tmp/empty" -f "$tmp/dep" | sort -u
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}
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# base
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if test -f "$opt_builddir/Module.base"; then
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sed 'y/-/_/' <"$opt_builddir/Module.base" | add_dependent_modules >"$tmp/base"
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else
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touch "$tmp/base"
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fi
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join -j 1 -o 2.2 "$tmp/base" "$tmp/all" >"$opt_out/base-modules"
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# base firmware
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kver=$(make $MAKE_ARGS -s -C "$opt_builddir" kernelrelease)
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fw_dir=/lib/firmware/$kver
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test -d $opt_dir/usr$fw_dir && fw_dir=/usr$fw_dir
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if test -d "$opt_dir$fw_dir"; then
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join <(/sbin/modinfo -F firmware \
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$(sed "s:^:$opt_dir:" "$opt_out/base-modules") | sort) \
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<(find "$opt_dir$fw_dir" -type f -printf '%P\n' | sort)
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fi | sed "s:^:$fw_dir:" >"$opt_out/base-firmware"
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# kmps
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for f in "$opt_builddir"/Module.*-kmp; do
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test -f "$f" || continue
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kmp=${f##*/Module.}
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sed 'y/-/_/' <"$f" >"$tmp/$kmp"
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join -j 1 -o 2.2 "$tmp/$kmp" "$tmp/all" >"$opt_out/$kmp-modules"
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cat "$tmp/$kmp"
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done | sort -u >"$tmp/kmp-all"
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join -v1 "$tmp/supp" "$tmp/kmp-all" >"$tmp/supp-main"
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# main
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add_dependent_modules "$tmp/supp-explain" <"$tmp/supp-main" >"$tmp/supp-all"
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if ! cmp -s "$tmp/supp-main" "$tmp/supp-all"; then
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# FIXME: Error message not accurate if a supported KMP module is
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# needed by a module in the main package
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echo "The following unsupported modules are used by supported modules:" >&2
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join -j1 -a2 <(sort "$tmp/supp-explain") \
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<(join -v2 "$tmp/supp-main" "$tmp/supp-all") >&2
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echo "Please fix supported.conf." >&2
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if ! $opt_ignore_errors; then
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exit 1
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fi
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fi
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join -j 1 -o 2.2 "$tmp/supp-all" "$tmp/all" >"$opt_out/main-modules"
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# unsupported
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join -j 1 -v 2 -o 2.2 <(sort -u "$tmp/supp-all" "$tmp/kmp-all") "$tmp/all" | sort -u > "$opt_out/unsupported-modules"
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# split again to extra and optional
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if $opt_extra && test -f "$opt_builddir/Module.optional"; then
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declare -A modmarks wcmarks
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wcpaths=()
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while read mark path; do
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case $path in
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*.ko.xz|*.ko.gz|*.ko.zst)
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path=${path%.*};;
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esac
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path=${path%.ko}
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mod=${path##*/}
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modmarks["$mod"]="$mark"
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# paths with wildcards need to be verified sequentially, so we keep
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# the paths in the array wcpaths and each mark in wcmarks[]
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case "$path" in
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*[\*\?\[]*)
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wcpaths[${#wcpaths[@]}]="$path"
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wcmarks["$path"]="$mark";;
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esac
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done < "$opt_builddir/Module.optional"
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while read xpath; do
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path=$xpath
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case $path in
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*.ko.xz|*.ko.gz|*.ko.zst)
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path=${path%.*};;
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esac
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path=${path%.ko}
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mod=${path##*/}
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x=${modmarks["$mod"]}
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if [ -n "$x" ]; then
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test x"$x" = x"-" && echo "$xpath"
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continue
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fi
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# unmatched modules must be handled via wildcard
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path=${path#/lib/modules/*/kernel/}
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for m in "${wcpaths[@]}"; do
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case "$path" in
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($m)
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test x${wcmarks["$m"]} = x"-" && echo "$xpath"
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break;;
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esac
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done
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done < "$opt_out/unsupported-modules" | sort > "$tmp/unsupp-extra"
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cat "$tmp/supp-all" "$tmp/kmp-all" "$tmp/unsupp-extra" | \
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sed -r 's:[^ ]*/([^/]*)\.ko(\.xz|\.gz|\.zst)?\>:\1:g; y/-/_/' | sort -u > "$tmp/unsupp-extra-all"
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add_dependent_modules "$tmp/unsupp-explain" <"$tmp/unsupp-extra-all" >"$tmp/unsupp-extra-dep"
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if ! cmp -s "$tmp/unsupp-extra-all" "$tmp/unsupp-extra-dep"; then
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echo "The following optional modules are used by extra modules:" >&2
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join -j1 -a2 <(sort "$tmp/unsupp-explain") \
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<(join -v2 "$tmp/unsupp-extra-all" "$tmp/unsupp-extra-dep") >&2
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echo "Please fix supported.conf." >&2
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if ! $opt_ignore_errors; then
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exit 1
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fi
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fi
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join -j 1 -v 2 "$tmp/unsupp-extra" "$opt_out/unsupported-modules" > "$opt_out/optional-modules"
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mv "$tmp/unsupp-extra" "$opt_out/unsupported-modules"
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fi
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exit 0
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