diff options
Diffstat (limited to 'nixpkgs/pkgs/build-support/kernel/modules-closure.sh')
| -rw-r--r-- | nixpkgs/pkgs/build-support/kernel/modules-closure.sh | 79 |
1 files changed, 54 insertions, 25 deletions
diff --git a/nixpkgs/pkgs/build-support/kernel/modules-closure.sh b/nixpkgs/pkgs/build-support/kernel/modules-closure.sh index 220f3b00a77..3f895d9cfed 100644 --- a/nixpkgs/pkgs/build-support/kernel/modules-closure.sh +++ b/nixpkgs/pkgs/build-support/kernel/modules-closure.sh @@ -19,37 +19,66 @@ version=$(cd $kernel/lib/modules && ls -d *) echo "kernel version is $version" # Determine the dependencies of each root module. -closure= +mkdir -p $out/lib/modules/"$version" +touch closure for module in $rootModules; do echo "root module: $module" - deps=$(modprobe --config no-config -d $kernel --set-version "$version" --show-depends "$module" \ - | sed 's/^insmod //') \ - || if test -z "$allowMissing"; then exit 1; fi - if [[ "$deps" != builtin* ]]; then - closure="$closure $deps" + modprobe --config no-config -d $kernel --set-version "$version" --show-depends "$module" \ + | while read cmd module args; do + case "$cmd" in + builtin) + touch found + echo "$module" >>closure + echo " builtin dependency: $module";; + insmod) + touch found + if ! test -e "$module"; then + echo " dependency not found: $module" + exit 1 + fi + target=$(echo "$module" | sed "s^$NIX_STORE.*/lib/modules/^$out/lib/modules/^") + if test -e "$target"; then + echo " dependency already copied: $module" + continue + fi + echo "$module" >>closure + echo " copying dependency: $module" + mkdir -p $(dirname $target) + cp "$module" "$target" + # If the kernel is compiled with coverage instrumentation, it + # contains the paths of the *.gcda coverage data output files + # (which it doesn't actually use...). Get rid of them to prevent + # the whole kernel from being included in the initrd. + nuke-refs "$target" + echo "$target" >> $out/insmod-list;; + *) + echo " unexpected modprobe output: $cmd $module" + exit 1;; + esac + done || test -n "$allowMissing" + if ! test -e found; then + echo " not found" + if test -z "$allowMissing"; then + exit 1 + fi + else + rm found fi done -echo "closure:" -mkdir -p $out/lib/modules/"$version" -for module in $closure; do - target=$(echo $module | sed "s^$NIX_STORE.*/lib/modules/^$out/lib/modules/^") - if test -e "$target"; then continue; fi - if test \! -e "$module"; then continue; fi # XXX: to avoid error with "cp builtin builtin" - mkdir -p $(dirname $target) - echo $module - cp $module $target - # If the kernel is compiled with coverage instrumentation, it - # contains the paths of the *.gcda coverage data output files - # (which it doesn't actually use...). Get rid of them to prevent - # the whole kernel from being included in the initrd. - nuke-refs $target - echo $target >> $out/insmod-list -done - mkdir -p $out/lib/firmware -for module in $closure; do - for i in $(modinfo -F firmware $module); do +for module in $(cat closure); do + # for builtin modules, modinfo will reply with a wrong output looking like: + # $ modinfo -F firmware unix + # name: unix + # + # There is a pending attempt to fix this: + # https://github.com/NixOS/nixpkgs/pull/96153 + # https://lore.kernel.org/linux-modules/20200823215433.j5gc5rnsmahpf43v@blumerang/T/#u + # + # For now, the workaround is just to filter out the extraneous lines out + # of its output. + for i in $(modinfo -b $kernel --set-version "$version" -F firmware $module | grep -v '^name:'); do mkdir -p "$out/lib/firmware/$(dirname "$i")" echo "firmware for $module: $i" cp "$firmware/lib/firmware/$i" "$out/lib/firmware/$i" 2>/dev/null || if test -z "$allowMissing"; then exit 1; fi |