3 files changed, 12 insertions, 2 deletions
diff --git a/pkgs/build-support/kernel/modules-closure.nix b/pkgs/build-support/kernel/modules-closure.nix
index 9940e611124c9..a527770adcd7b 100644
--- a/pkgs/build-support/kernel/modules-closure.nix
+++ b/pkgs/build-support/kernel/modules-closure.nix
@@ -3,13 +3,13 @@
 # the modules identified by `rootModules', plus their dependencies.
 # Also generate an appropriate modules.dep.
 
-{ stdenvNoCC, kernel, nukeReferences, rootModules
+{ stdenvNoCC, kernel, firmware, nukeReferences, rootModules
 , kmod, allowMissing ? false }:
 
 stdenvNoCC.mkDerivation {
   name = kernel.name + "-shrunk";
   builder = ./modules-closure.sh;
   buildInputs = [ nukeReferences kmod ];
-  inherit kernel rootModules allowMissing;
+  inherit kernel firmware rootModules allowMissing;
   allowedReferences = ["out"];
 }
diff --git a/pkgs/build-support/kernel/modules-closure.sh b/pkgs/build-support/kernel/modules-closure.sh
index 8a31c760da07a..8287c1672d062 100644
--- a/pkgs/build-support/kernel/modules-closure.sh
+++ b/pkgs/build-support/kernel/modules-closure.sh
@@ -33,4 +33,13 @@ for module in $closure; do
     echo $target >> $out/insmod-list
 done
 
+mkdir -p $out/lib/firmware
+for module in $closure; do
+    for i in $(modinfo -F firmware $module); do
+        mkdir -p "$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
+    done
+done
+
 depmod -b $out -a $version
diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index d599f9bbb65f8..642365bdeb5cb 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -26,6 +26,7 @@ rec {
 
   modulesClosure = makeModulesClosure {
     inherit kernel rootModules;
+    firmware = kernel;
   };