diff --git a/filesystem/Android.bp b/filesystem/Android.bp
index 854a366..a08f7cf 100644
--- a/filesystem/Android.bp
+++ b/filesystem/Android.bp
@@ -15,6 +15,7 @@
         "soong-phony", // for testing
     ],
     srcs: [
+        "aconfig_files.go",
         "avb_add_hash_footer.go",
         "avb_gen_vbmeta_image.go",
         "bootimg.go",
diff --git a/filesystem/aconfig_files.go b/filesystem/aconfig_files.go
new file mode 100644
index 0000000..44de202
--- /dev/null
+++ b/filesystem/aconfig_files.go
@@ -0,0 +1,58 @@
+// Copyright (C) 2024 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package filesystem
+
+import (
+	"android/soong/android"
+	"path/filepath"
+	"strings"
+
+	"github.com/google/blueprint/proptools"
+)
+
+func (f *filesystem) buildAconfigFlagsFiles(ctx android.ModuleContext, builder *android.RuleBuilder, specs map[string]android.PackagingSpec, dir android.Path) {
+	if !proptools.Bool(f.properties.Gen_aconfig_flags_pb) {
+		return
+	}
+
+	aconfigFlagsBuilderPath := android.PathForModuleOut(ctx, "aconfig_flags_builder.sh")
+	aconfigToolPath := ctx.Config().HostToolPath(ctx, "aconfig")
+	cmd := builder.Command().Tool(aconfigFlagsBuilderPath).Implicit(aconfigToolPath)
+
+	installAconfigFlags := filepath.Join(dir.String(), "etc", "aconfig_flags_"+f.partitionName()+".pb")
+
+	var sb strings.Builder
+	sb.WriteString("set -e\n")
+	sb.WriteString(aconfigToolPath.String())
+	sb.WriteString(" dump-cache --dedup --format protobuf --out ")
+	sb.WriteString(installAconfigFlags)
+	sb.WriteString(" \\\n")
+
+	var caches []string
+	for _, ps := range specs {
+		cmd.Implicits(ps.GetAconfigPaths())
+		caches = append(caches, ps.GetAconfigPaths().Strings()...)
+	}
+	caches = android.SortedUniqueStrings(caches)
+
+	for _, cache := range caches {
+		sb.WriteString("  --cache ")
+		sb.WriteString(cache)
+		sb.WriteString(" \\\n")
+	}
+	sb.WriteRune('\n')
+
+	android.WriteExecutableFileRuleVerbatim(ctx, aconfigFlagsBuilderPath, sb.String())
+}
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index b342ae9..d8a00e2 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -131,6 +131,9 @@
 	// Default is false
 	Build_logtags *bool
 
+	// Install aconfig_flags.pb file for the modules installed in this partition.
+	Gen_aconfig_flags_pb *bool
+
 	Fsverity fsverityProperties
 }
 
@@ -300,6 +303,7 @@
 	f.addMakeBuiltFiles(ctx, builder, rootDir)
 	f.buildFsverityMetadataFiles(ctx, builder, specs, rootDir, rebasedDir)
 	f.buildEventLogtagsFile(ctx, builder, rebasedDir)
+	f.buildAconfigFlagsFiles(ctx, builder, specs, rebasedDir)
 
 	// run host_init_verifier
 	// Ideally we should have a concept of pluggable linters that verify the generated image.
@@ -441,6 +445,7 @@
 	f.buildNonDepsFiles(ctx, builder, rootDir)
 	f.buildFsverityMetadataFiles(ctx, builder, specs, rootDir, rebasedDir)
 	f.buildEventLogtagsFile(ctx, builder, rebasedDir)
+	f.buildAconfigFlagsFiles(ctx, builder, specs, rebasedDir)
 
 	output := android.PathForModuleOut(ctx, f.installFileName()).OutputPath
 	cmd := builder.Command().