Merge "Make Contents and Standalone_contents configurable" into main
diff --git a/android/module.go b/android/module.go
index 58ae885..3b30c11 100644
--- a/android/module.go
+++ b/android/module.go
@@ -1382,6 +1382,8 @@
 		if config.SystemExtPath() == "system_ext" {
 			partition = "system_ext"
 		}
+	} else if m.InstallInRamdisk() {
+		partition = "ramdisk"
 	}
 	return partition
 }
diff --git a/android/variable.go b/android/variable.go
index c6a1b0a..2d43c6d 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -606,10 +606,20 @@
 	BoardExt4ShareDupBlocks        string `json:",omitempty"`
 	BoardFlashLogicalBlockSize     string `json:",omitempty"`
 	BoardFlashEraseBlockSize       string `json:",omitempty"`
-	BoardUsesRecoveryAsBoot        bool   `json:",omitempty"`
 	ProductUseDynamicPartitionSize bool   `json:",omitempty"`
 	CopyImagesForTargetFilesZip    bool   `json:",omitempty"`
 
+	// Boot image stuff
+	ProductBuildBootImage           bool   `json:",omitempty"`
+	ProductBuildInitBootImage       bool   `json:",omitempty"`
+	BoardUsesRecoveryAsBoot         bool   `json:",omitempty"`
+	BoardPrebuiltBootimage          string `json:",omitempty"`
+	BoardPrebuiltInitBootimage      string `json:",omitempty"`
+	BoardBootimagePartitionSize     string `json:",omitempty"`
+	BoardInitBootimagePartitionSize string `json:",omitempty"`
+	BoardBootHeaderVersion          string `json:",omitempty"`
+
+	// Avb (android verified boot) stuff
 	BoardAvbEnable          bool                                `json:",omitempty"`
 	BoardAvbAlgorithm       string                              `json:",omitempty"`
 	BoardAvbKeyPath         string                              `json:",omitempty"`
@@ -625,7 +635,7 @@
 	BoardInfoFiles      []string `json:",omitempty"`
 	BootLoaderBoardName string   `json:",omitempty"`
 
-	ProductCopyFiles map[string]string `json:",omitempty"`
+	ProductCopyFiles []string `json:",omitempty"`
 
 	BuildingSystemDlkmImage   bool     `json:",omitempty"`
 	SystemKernelModules       []string `json:",omitempty"`
diff --git a/apex/apex.go b/apex/apex.go
index a1879f5..04b5a07 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -105,11 +105,10 @@
 	Rros []string
 
 	// List of bootclasspath fragments that are embedded inside this APEX bundle.
-	Bootclasspath_fragments []string
+	Bootclasspath_fragments proptools.Configurable[[]string]
 
 	// List of systemserverclasspath fragments that are embedded inside this APEX bundle.
-	Systemserverclasspath_fragments        proptools.Configurable[[]string]
-	ResolvedSystemserverclasspathFragments []string `blueprint:"mutated"`
+	Systemserverclasspath_fragments proptools.Configurable[[]string]
 
 	// List of java libraries that are embedded inside this APEX bundle.
 	Java_libs []string
@@ -891,13 +890,11 @@
 		}
 	}
 
-	a.properties.ResolvedSystemserverclasspathFragments = a.properties.Systemserverclasspath_fragments.GetOrDefault(ctx, nil)
-
 	// Common-arch dependencies come next
 	commonVariation := ctx.Config().AndroidCommonTarget.Variations()
 	ctx.AddFarVariationDependencies(commonVariation, rroTag, a.properties.Rros...)
-	ctx.AddFarVariationDependencies(commonVariation, bcpfTag, a.properties.Bootclasspath_fragments...)
-	ctx.AddFarVariationDependencies(commonVariation, sscpfTag, a.properties.ResolvedSystemserverclasspathFragments...)
+	ctx.AddFarVariationDependencies(commonVariation, bcpfTag, a.properties.Bootclasspath_fragments.GetOrDefault(ctx, nil)...)
+	ctx.AddFarVariationDependencies(commonVariation, sscpfTag, a.properties.Systemserverclasspath_fragments.GetOrDefault(ctx, nil)...)
 	ctx.AddFarVariationDependencies(commonVariation, javaLibTag, a.properties.Java_libs...)
 	ctx.AddFarVariationDependencies(commonVariation, fsTag, a.properties.Filesystems...)
 	ctx.AddFarVariationDependencies(commonVariation, compatConfigTag, a.properties.Compat_configs...)
@@ -2776,8 +2773,8 @@
 // Collect information for opening IDE project files in java/jdeps.go.
 func (a *apexBundle) IDEInfo(ctx android.BaseModuleContext, dpInfo *android.IdeInfo) {
 	dpInfo.Deps = append(dpInfo.Deps, a.properties.Java_libs...)
-	dpInfo.Deps = append(dpInfo.Deps, a.properties.Bootclasspath_fragments...)
-	dpInfo.Deps = append(dpInfo.Deps, a.properties.ResolvedSystemserverclasspathFragments...)
+	dpInfo.Deps = append(dpInfo.Deps, a.properties.Bootclasspath_fragments.GetOrDefault(ctx, nil)...)
+	dpInfo.Deps = append(dpInfo.Deps, a.properties.Systemserverclasspath_fragments.GetOrDefault(ctx, nil)...)
 }
 
 func init() {
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 9e9efd6..17cea5e 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -10187,7 +10187,7 @@
 			deps: [
 				"libfoo",
 			],
-			linkerconfig: {
+			linker_config: {
 				gen_linker_config: true,
 				linker_config_srcs: ["linker.config.json"],
 			},
diff --git a/cc/cc.go b/cc/cc.go
index 60cf011..08a93cb9 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1560,12 +1560,11 @@
 	}
 
 	if ctx.ctx.Device() {
-		config := ctx.ctx.Config()
-		if ctx.inVendor() {
-			// If building for vendor with final API, then use the latest _stable_ API as "current".
-			if config.VendorApiLevelFrozen() && (ver == "" || ver == "current") {
-				ver = config.PlatformSdkVersion().String()
-			}
+		// When building for vendor/product, use the latest _stable_ API as "current".
+		// This is passed to clang/aidl compilers so that compiled/generated code works
+		// with the system.
+		if (ctx.inVendor() || ctx.inProduct()) && (ver == "" || ver == "current") {
+			ver = ctx.ctx.Config().PlatformSdkVersion().String()
 		}
 	}
 
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 989b043..144b90b 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -1008,7 +1008,7 @@
 	android.AssertArrayString(t, "variants for llndk stubs", expected, actual)
 
 	params := result.ModuleForTests("libllndk", "android_vendor_arm_armv7-a-neon_shared").Description("generate stub")
-	android.AssertSame(t, "use Vendor API level for default stubs", "202404", params.Args["apiLevel"])
+	android.AssertSame(t, "use Vendor API level for default stubs", "999999", params.Args["apiLevel"])
 
 	checkExportedIncludeDirs := func(module, variant string, expectedSystemDirs []string, expectedDirs ...string) {
 		t.Helper()
@@ -3153,7 +3153,7 @@
 	testDepWithVariant("product")
 }
 
-func TestVendorSdkVersion(t *testing.T) {
+func TestVendorOrProductVariantUsesPlatformSdkVersionAsDefault(t *testing.T) {
 	t.Parallel()
 
 	bp := `
@@ -3161,31 +3161,29 @@
 			name: "libfoo",
 			srcs: ["libfoo.cc"],
 			vendor_available: true,
+			product_available: true,
 		}
 
 		cc_library {
 			name: "libbar",
 			srcs: ["libbar.cc"],
 			vendor_available: true,
+			product_available: true,
 			min_sdk_version: "29",
 		}
 	`
 
 	ctx := prepareForCcTest.RunTestWithBp(t, bp)
-	testSdkVersionFlag := func(module, version string) {
-		flags := ctx.ModuleForTests(module, "android_vendor_arm64_armv8-a_static").Rule("cc").Args["cFlags"]
-		android.AssertStringDoesContain(t, "min sdk version", flags, "-target aarch64-linux-android"+version)
+	testSdkVersionFlag := func(module, variant, version string) {
+		flags := ctx.ModuleForTests(module, "android_"+variant+"_arm64_armv8-a_static").Rule("cc").Args["cFlags"]
+		android.AssertStringDoesContain(t, "target SDK version", flags, "-target aarch64-linux-android"+version)
 	}
 
-	testSdkVersionFlag("libfoo", "10000")
-	testSdkVersionFlag("libbar", "29")
-
-	ctx = android.GroupFixturePreparers(
-		prepareForCcTest,
-		android.PrepareForTestWithBuildFlag("RELEASE_BOARD_API_LEVEL_FROZEN", "true"),
-	).RunTestWithBp(t, bp)
-	testSdkVersionFlag("libfoo", "30")
-	testSdkVersionFlag("libbar", "29")
+	testSdkVersionFlag("libfoo", "vendor", "30")
+	testSdkVersionFlag("libfoo", "product", "30")
+	// target SDK version can be set explicitly with min_sdk_version
+	testSdkVersionFlag("libbar", "vendor", "29")
+	testSdkVersionFlag("libbar", "product", "29")
 }
 
 func TestClangVerify(t *testing.T) {
diff --git a/cc/compdb.go b/cc/compdb.go
index b33f490..4132e09 100644
--- a/cc/compdb.go
+++ b/cc/compdb.go
@@ -146,6 +146,8 @@
 		isAsm = false
 		isCpp = true
 		clangPath = cxxPath
+	case ".o":
+		return nil
 	default:
 		log.Print("Unknown file extension " + src.Ext() + " on file " + src.String())
 		isAsm = true
@@ -185,6 +187,10 @@
 	}
 	for _, src := range srcs {
 		if _, ok := builds[src.String()]; !ok {
+			args := getArguments(src, ctx, ccModule, ccPath, cxxPath)
+			if args == nil {
+				continue
+			}
 			builds[src.String()] = compDbEntry{
 				Directory: android.AbsSrcDirForExistingUseCases(),
 				Arguments: getArguments(src, ctx, ccModule, ccPath, cxxPath),
diff --git a/cc/library.go b/cc/library.go
index 7dffa72..4ce506e 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -566,16 +566,10 @@
 
 func (library *libraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects {
 	if ctx.IsLlndk() {
-		vendorApiLevel := ctx.Config().VendorApiLevel()
-		if vendorApiLevel == "" {
-			// TODO(b/321892570): Some tests relying on old fixtures which
-			// doesn't set vendorApiLevel. Needs to fix them.
-			vendorApiLevel = ctx.Config().PlatformSdkVersion().String()
-		}
-		// This is the vendor variant of an LLNDK library, build the LLNDK stubs.
+		futureVendorApiLevel := android.ApiLevelOrPanic(ctx, "999999")
 		nativeAbiResult := parseNativeAbiDefinition(ctx,
 			String(library.Properties.Llndk.Symbol_file),
-			android.ApiLevelOrPanic(ctx, vendorApiLevel), "--llndk")
+			futureVendorApiLevel, "--llndk")
 		objs := compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc)
 		if !Bool(library.Properties.Llndk.Unversioned) {
 			library.versionScriptPath = android.OptionalPathForPath(
diff --git a/cmd/symbols_map/symbols_map_proto/symbols_map.proto b/cmd/symbols_map/symbols_map_proto/symbols_map.proto
index 693fe3e..a76d171 100644
--- a/cmd/symbols_map/symbols_map_proto/symbols_map.proto
+++ b/cmd/symbols_map/symbols_map_proto/symbols_map.proto
@@ -37,6 +37,21 @@
 
   // type is the type of the mapping, either ELF or R8.
   optional Type type = 3;
+
+  // LocationType is the place where to look for the file with the given
+  // identifier.
+  Enum LocationType {
+    // ZIP denotes the file with the given identifier is in the distribuited
+    // symbols.zip or proguard_dict.zip files, or the local disc.
+    ZIP = 0;
+    // AB denotes the file with the given identifier is in the AB artifacts but
+    // not in a symbols.zip or proguard_dict.zip.
+    AB = 1;
+  }
+
+  // location_type is the Location Type that dictates where to search for the
+  // file with the given identifier. Defaults to ZIP if not present.
+  optional LocationType location_type = 4;
 }
 
 message Mappings {
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index f72cf17..78e24e2 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -153,7 +153,7 @@
 
 	F2fs F2fsProperties
 
-	Linkerconfig LinkerConfigProperties
+	Linker_config LinkerConfigProperties
 
 	// Determines if the module is auto-generated from Soong or not. If the module is
 	// auto-generated, its deps are exempted from visibility enforcement.
@@ -292,10 +292,14 @@
 func (f *filesystem) FilterPackagingSpec(ps android.PackagingSpec) bool {
 	// Filesystem module respects the installation semantic. A PackagingSpec from a module with
 	// IsSkipInstall() is skipped.
-	if proptools.Bool(f.properties.Is_auto_generated) { // TODO (spandandas): Remove this.
-		return !ps.SkipInstall() && (ps.Partition() == f.PartitionType())
+	if ps.SkipInstall() {
+		return false
 	}
-	return !ps.SkipInstall()
+	if proptools.Bool(f.properties.Is_auto_generated) { // TODO (spandandas): Remove this.
+		pt := f.PartitionType()
+		return pt == "ramdisk" || ps.Partition() == pt
+	}
+	return true
 }
 
 var pctx = android.NewPackageContext("android/soong/filesystem")
@@ -664,6 +668,7 @@
 	"vendor_dlkm",
 	"odm_dlkm",
 	"system_dlkm",
+	"ramdisk",
 }
 
 func (f *filesystem) addMakeBuiltFiles(ctx android.ModuleContext, builder *android.RuleBuilder, rootDir android.Path) {
@@ -721,13 +726,13 @@
 }
 
 func (f *filesystem) BuildLinkerConfigFile(ctx android.ModuleContext, builder *android.RuleBuilder, rebasedDir android.OutputPath) {
-	if !proptools.Bool(f.properties.Linkerconfig.Gen_linker_config) {
+	if !proptools.Bool(f.properties.Linker_config.Gen_linker_config) {
 		return
 	}
 
 	provideModules, _ := f.getLibsForLinkerConfig(ctx)
 	output := rebasedDir.Join(ctx, "etc", "linker.config.pb")
-	linkerconfig.BuildLinkerConfig(ctx, builder, android.PathsForModuleSrc(ctx, f.properties.Linkerconfig.Linker_config_srcs), provideModules, nil, output)
+	linkerconfig.BuildLinkerConfig(ctx, builder, android.PathsForModuleSrc(ctx, f.properties.Linker_config.Linker_config_srcs), provideModules, nil, output)
 
 	f.appendToEntry(ctx, output)
 }
diff --git a/filesystem/filesystem_test.go b/filesystem/filesystem_test.go
index f284161..f325d96 100644
--- a/filesystem/filesystem_test.go
+++ b/filesystem/filesystem_test.go
@@ -161,7 +161,7 @@
 				"libfoo",
 				"libbar",
 			],
-			linkerconfig: {
+			linker_config: {
 				gen_linker_config: true,
 				linker_config_srcs: ["linker.config.json"],
 			},
@@ -227,7 +227,7 @@
 					deps: ["foo"],
 				},
 			},
-			linkerconfig: {
+			linker_config: {
 				gen_linker_config: true,
 				linker_config_srcs: ["linker.config.json"],
 			},
@@ -325,7 +325,7 @@
 			deps: [
 				"libfoo",
 			],
-			linkerconfig: {
+			linker_config: {
 				gen_linker_config: true,
 				linker_config_srcs: ["linker.config.json"],
 			},
@@ -709,7 +709,7 @@
 android_filesystem {
     name: "myfilesystem",
     deps: ["libfoo_has_no_stubs", "libfoo_has_stubs"],
-    linkerconfig: {
+    linker_config: {
         gen_linker_config: true,
         linker_config_srcs: ["linker.config.json"],
     },
diff --git a/filesystem/system_image.go b/filesystem/system_image.go
index 0d54ff5..672458c 100644
--- a/filesystem/system_image.go
+++ b/filesystem/system_image.go
@@ -42,13 +42,13 @@
 }
 
 func (s *systemImage) BuildLinkerConfigFile(ctx android.ModuleContext, builder *android.RuleBuilder, rebasedDir android.OutputPath) {
-	if !proptools.Bool(s.filesystem.properties.Linkerconfig.Gen_linker_config) {
+	if !proptools.Bool(s.filesystem.properties.Linker_config.Gen_linker_config) {
 		return
 	}
 
 	provideModules, requireModules := s.getLibsForLinkerConfig(ctx)
 	output := rebasedDir.Join(ctx, "etc", "linker.config.pb")
-	linkerconfig.BuildLinkerConfig(ctx, builder, android.PathsForModuleSrc(ctx, s.filesystem.properties.Linkerconfig.Linker_config_srcs), provideModules, requireModules, output)
+	linkerconfig.BuildLinkerConfig(ctx, builder, android.PathsForModuleSrc(ctx, s.filesystem.properties.Linker_config.Linker_config_srcs), provideModules, requireModules, output)
 
 	s.appendToEntry(ctx, output)
 }
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index 9cada0b..0a65c6c 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -230,8 +230,8 @@
 	}
 
 	if partitionType == "vendor" || partitionType == "product" {
-		fsProps.Linkerconfig.Gen_linker_config = proptools.BoolPtr(true)
-		fsProps.Linkerconfig.Linker_config_srcs = f.createLinkerConfigSourceFilegroups(ctx, partitionType)
+		fsProps.Linker_config.Gen_linker_config = proptools.BoolPtr(true)
+		fsProps.Linker_config.Linker_config_srcs = f.createLinkerConfigSourceFilegroups(ctx, partitionType)
 	}
 
 	if android.InList(partitionType, dlkmPartitions) {
@@ -267,6 +267,7 @@
 		Vendor_dlkm_specific *bool
 		Odm_dlkm_specific    *bool
 		Load_by_default      *bool
+		Blocklist_file       *string
 	}{
 		Name: proptools.StringPtr(name),
 	}
@@ -279,15 +280,24 @@
 			// https://source.corp.google.com/h/googleplex-android/platform/build/+/ef55daac9954896161b26db4f3ef1781b5a5694c:core/Makefile;l=695-700;drc=549fe2a5162548bd8b47867d35f907eb22332023;bpv=1;bpt=0
 			props.Load_by_default = proptools.BoolPtr(false)
 		}
+		if blocklistFile := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.SystemKernelBlocklistFile; blocklistFile != "" {
+			props.Blocklist_file = proptools.StringPtr(blocklistFile)
+		}
 	case "vendor_dlkm":
 		props.Srcs = ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.VendorKernelModules
 		if len(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.SystemKernelModules) > 0 {
 			props.System_deps = []string{":" + generatedModuleName(ctx.Config(), "system_dlkm-kernel-modules") + "{.modules}"}
 		}
 		props.Vendor_dlkm_specific = proptools.BoolPtr(true)
+		if blocklistFile := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.VendorKernelBlocklistFile; blocklistFile != "" {
+			props.Blocklist_file = proptools.StringPtr(blocklistFile)
+		}
 	case "odm_dlkm":
 		props.Srcs = ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.OdmKernelModules
 		props.Odm_dlkm_specific = proptools.BoolPtr(true)
+		if blocklistFile := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.OdmKernelBlocklistFile; blocklistFile != "" {
+			props.Blocklist_file = proptools.StringPtr(blocklistFile)
+		}
 	default:
 		ctx.ModuleErrorf("DLKM is not supported for %s\n", partitionType)
 	}
@@ -411,13 +421,20 @@
 	fsProps := &filesystem.FilesystemProperties{}
 
 	partitionVars := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
-	specificPartitionVars := partitionVars.PartitionQualifiedVariables[partitionType]
-
-	// BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE
-	fsType := specificPartitionVars.BoardFileSystemType
+	var specificPartitionVars android.PartitionQualifiedVariablesType
+	var boardAvbEnable bool
+	var fsType string
+	if strings.Contains(partitionType, "ramdisk") {
+		fsType = "compressed_cpio"
+	} else {
+		specificPartitionVars = partitionVars.PartitionQualifiedVariables[partitionType]
+		boardAvbEnable = partitionVars.BoardAvbEnable
+		fsType = specificPartitionVars.BoardFileSystemType
+	}
 	if fsType == "" {
 		fsType = "ext4" //default
 	}
+
 	fsProps.Type = proptools.StringPtr(fsType)
 	if filesystem.GetFsTypeFromString(ctx, *fsProps.Type).IsUnknown() {
 		// Currently the android_filesystem module type only supports a handful of FS types like ext4, erofs
@@ -429,7 +446,7 @@
 	fsProps.Unchecked_module = proptools.BoolPtr(true)
 
 	// BOARD_AVB_ENABLE
-	fsProps.Use_avb = proptools.BoolPtr(partitionVars.BoardAvbEnable)
+	fsProps.Use_avb = proptools.BoolPtr(boardAvbEnable)
 	// BOARD_AVB_KEY_PATH
 	fsProps.Avb_private_key = proptools.StringPtr(specificPartitionVars.BoardAvbKeyPath)
 	// BOARD_AVB_ALGORITHM
diff --git a/fsgen/fsgen_mutators.go b/fsgen/fsgen_mutators.go
index 4440c63..e9fd513 100644
--- a/fsgen/fsgen_mutators.go
+++ b/fsgen/fsgen_mutators.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 	"slices"
+	"strings"
 	"sync"
 
 	"android/soong/android"
@@ -80,7 +81,7 @@
 }
 
 func generatedPartitions(ctx android.LoadHookContext) []string {
-	generatedPartitions := []string{"system"}
+	generatedPartitions := []string{"system", "ramdisk"}
 	if ctx.DeviceConfig().SystemExtPath() == "system_ext" {
 		generatedPartitions = append(generatedPartitions, "system_ext")
 	}
@@ -171,6 +172,7 @@
 					"fs_config_files_odm_dlkm": defaultDepCandidateProps(ctx.Config()),
 					"odm_dlkm-build.prop":      defaultDepCandidateProps(ctx.Config()),
 				},
+				"ramdisk": {},
 			},
 			fsDepsMutex:               sync.Mutex{},
 			moduleToInstallationProps: map[string]installationProperties{},
@@ -205,29 +207,31 @@
 }
 
 func collectDepsMutator(mctx android.BottomUpMutatorContext) {
+	m := mctx.Module()
+	if m.Target().Os.Class != android.Device {
+		return
+	}
 	fsGenState := mctx.Config().Get(fsGenStateOnceKey).(*FsGenState)
 
-	m := mctx.Module()
-	if m.Target().Os.Class == android.Device && slices.Contains(fsGenState.depCandidates, mctx.ModuleName()) {
+	fsGenState.fsDepsMutex.Lock()
+	defer fsGenState.fsDepsMutex.Unlock()
+
+	if slices.Contains(fsGenState.depCandidates, mctx.ModuleName()) {
 		installPartition := m.PartitionTag(mctx.DeviceConfig())
-		fsGenState.fsDepsMutex.Lock()
 		// Only add the module as dependency when:
 		// - its enabled
 		// - its namespace is included in PRODUCT_SOONG_NAMESPACES
 		if m.Enabled(mctx) && m.ExportedToMake() {
 			appendDepIfAppropriate(mctx, fsGenState.fsDeps[installPartition], installPartition)
 		}
-		fsGenState.fsDepsMutex.Unlock()
 	}
 	// store the map of module to (required,overrides) even if the module is not in PRODUCT_PACKAGES.
 	// the module might be installed transitively.
-	if m.Target().Os.Class == android.Device && m.Enabled(mctx) && m.ExportedToMake() {
-		fsGenState.fsDepsMutex.Lock()
+	if m.Enabled(mctx) && m.ExportedToMake() {
 		fsGenState.moduleToInstallationProps[m.Name()] = installationProperties{
 			Required:  m.RequiredModuleNames(mctx),
 			Overrides: m.Overrides(),
 		}
-		fsGenState.fsDepsMutex.Unlock()
 	}
 }
 
@@ -324,12 +328,21 @@
 
 var HighPriorityDeps = []string{}
 
+func isHighPriorityDep(depName string) bool {
+	for _, highPriorityDeps := range HighPriorityDeps {
+		if strings.HasPrefix(depName, highPriorityDeps) {
+			return true
+		}
+	}
+	return false
+}
+
 func generateDepStruct(deps map[string]*depCandidateProps) *packagingPropsStruct {
 	depsStruct := packagingPropsStruct{}
 	for depName, depProps := range deps {
 		bitness := getBitness(depProps.Arch)
 		fullyQualifiedDepName := fullyQualifiedModuleName(depName, depProps.Namespace)
-		if android.InList(depName, HighPriorityDeps) {
+		if isHighPriorityDep(depName) {
 			depsStruct.High_priority_deps = append(depsStruct.High_priority_deps, fullyQualifiedDepName)
 		} else if android.InList("32", bitness) && android.InList("64", bitness) {
 			// If both 32 and 64 bit variants are enabled for this module
diff --git a/fsgen/prebuilt_etc_modules_gen.go b/fsgen/prebuilt_etc_modules_gen.go
index 362ac31..cbcd4a1 100644
--- a/fsgen/prebuilt_etc_modules_gen.go
+++ b/fsgen/prebuilt_etc_modules_gen.go
@@ -85,15 +85,25 @@
 	}
 }
 
-func uniqueExistingProductCopyFileMap(ctx android.LoadHookContext) map[string]string {
+// Create a map of source files to the list of destination files from PRODUCT_COPY_FILES entries.
+// Note that the value of the map is a list of string, given that a single source file can be
+// copied to multiple files.
+// This function also checks the existence of the source files, and validates that there is no
+// multiple source files copying to the same dest file.
+func uniqueExistingProductCopyFileMap(ctx android.LoadHookContext) map[string][]string {
 	seen := make(map[string]bool)
-	filtered := make(map[string]string)
+	filtered := make(map[string][]string)
 
-	for src, dest := range ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.ProductCopyFiles {
+	for _, copyFilePair := range ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.ProductCopyFiles {
+		srcDestList := strings.Split(copyFilePair, ":")
+		if len(srcDestList) < 2 {
+			ctx.ModuleErrorf("PRODUCT_COPY_FILES must follow the format \"src:dest\", got: %s", copyFilePair)
+		}
+		src, dest := srcDestList[0], srcDestList[1]
 		if _, ok := seen[dest]; !ok {
 			if optionalPath := android.ExistentPathForSource(ctx, src); optionalPath.Valid() {
 				seen[dest] = true
-				filtered[src] = dest
+				filtered[src] = append(filtered[src], dest)
 			}
 		}
 	}
@@ -121,12 +131,14 @@
 
 	groupedSources := map[string]*prebuiltSrcGroupByInstallPartition{}
 	for _, src := range android.SortedKeys(productCopyFileMap) {
-		dest := productCopyFileMap[src]
+		destFiles := productCopyFileMap[src]
 		srcFileDir := filepath.Dir(src)
 		if _, ok := groupedSources[srcFileDir]; !ok {
 			groupedSources[srcFileDir] = newPrebuiltSrcGroupByInstallPartition()
 		}
-		appendIfCorrectInstallPartition(partitionToInstallPathList, dest, filepath.Base(src), groupedSources[srcFileDir])
+		for _, dest := range destFiles {
+			appendIfCorrectInstallPartition(partitionToInstallPathList, dest, filepath.Base(src), groupedSources[srcFileDir])
+		}
 	}
 
 	return groupedSources
@@ -195,12 +207,9 @@
 	}
 )
 
-func createPrebuiltEtcModule(ctx android.LoadHookContext, partition, srcDir, destDir string, destFiles []srcBaseFileInstallBaseFileTuple) string {
-	moduleProps := &prebuiltModuleProperties{}
-	propsList := []interface{}{moduleProps}
-
+func generatedPrebuiltEtcModuleName(partition, srcDir, destDir string, count int) string {
 	// generated module name follows the pattern:
-	// <install partition>-<src file path>-<relative install path from partition root>-<install file extension>
+	// <install partition>-<src file path>-<relative install path from partition root>-<number>
 	// Note that all path separators are replaced with "_" in the name
 	moduleName := partition
 	if !android.InList(srcDir, []string{"", "."}) {
@@ -209,33 +218,27 @@
 	if !android.InList(destDir, []string{"", "."}) {
 		moduleName += fmt.Sprintf("-%s", strings.ReplaceAll(destDir, string(filepath.Separator), "_"))
 	}
-	if len(destFiles) > 0 {
-		if ext := filepath.Ext(destFiles[0].srcBaseFile); ext != "" {
-			moduleName += fmt.Sprintf("-%s", strings.TrimPrefix(ext, "."))
-		}
-	}
-	moduleProps.Name = proptools.StringPtr(moduleName)
+	moduleName += fmt.Sprintf("-%d", count)
 
-	allCopyFileNamesUnchanged := true
-	var srcBaseFiles, installBaseFiles []string
+	return moduleName
+}
+
+func groupDestFilesBySrc(destFiles []srcBaseFileInstallBaseFileTuple) (ret map[string][]srcBaseFileInstallBaseFileTuple, maxLen int) {
+	ret = map[string][]srcBaseFileInstallBaseFileTuple{}
+	maxLen = 0
 	for _, tuple := range destFiles {
-		if tuple.srcBaseFile != tuple.installBaseFile {
-			allCopyFileNamesUnchanged = false
+		if _, ok := ret[tuple.srcBaseFile]; !ok {
+			ret[tuple.srcBaseFile] = []srcBaseFileInstallBaseFileTuple{}
 		}
-		srcBaseFiles = append(srcBaseFiles, tuple.srcBaseFile)
-		installBaseFiles = append(installBaseFiles, tuple.installBaseFile)
+		ret[tuple.srcBaseFile] = append(ret[tuple.srcBaseFile], tuple)
+		maxLen = max(maxLen, len(ret[tuple.srcBaseFile]))
 	}
+	return ret, maxLen
+}
 
-	// Find out the most appropriate module type to generate
-	var etcInstallPathKey string
-	for _, etcInstallPath := range android.SortedKeys(etcInstallPathToFactoryList) {
-		// Do not break when found but iterate until the end to find a module with more
-		// specific install path
-		if strings.HasPrefix(destDir, etcInstallPath) {
-			etcInstallPathKey = etcInstallPath
-		}
-	}
-	destDir, _ = filepath.Rel(etcInstallPathKey, destDir)
+func prebuiltEtcModuleProps(moduleName, partition string) prebuiltModuleProperties {
+	moduleProps := prebuiltModuleProperties{}
+	moduleProps.Name = proptools.StringPtr(moduleName)
 
 	// Set partition specific properties
 	switch partition {
@@ -247,39 +250,81 @@
 		moduleProps.Soc_specific = proptools.BoolPtr(true)
 	}
 
-	// Set appropriate srcs, dsts, and releative_install_path based on
-	// the source and install file names
-	if allCopyFileNamesUnchanged {
-		moduleProps.Srcs = srcBaseFiles
-
-		// Specify relative_install_path if it is not installed in the root directory of the
-		// partition
-		if !android.InList(destDir, []string{"", "."}) {
-			propsList = append(propsList, &prebuiltSubdirProperties{
-				Relative_install_path: proptools.StringPtr(destDir),
-			})
-		}
-	} else {
-		moduleProps.Srcs = srcBaseFiles
-		dsts := []string{}
-		for _, installBaseFile := range installBaseFiles {
-			dsts = append(dsts, filepath.Join(destDir, installBaseFile))
-		}
-		moduleProps.Dsts = dsts
-	}
-
 	moduleProps.No_full_install = proptools.BoolPtr(true)
 	moduleProps.NamespaceExportedToMake = true
 	moduleProps.Visibility = []string{"//visibility:public"}
 
-	ctx.CreateModuleInDirectory(etcInstallPathToFactoryList[etcInstallPathKey], srcDir, propsList...)
+	return moduleProps
+}
 
-	return moduleName
+func createPrebuiltEtcModulesInDirectory(ctx android.LoadHookContext, partition, srcDir, destDir string, destFiles []srcBaseFileInstallBaseFileTuple) (moduleNames []string) {
+	groupedDestFiles, maxLen := groupDestFilesBySrc(destFiles)
+
+	// Find out the most appropriate module type to generate
+	var etcInstallPathKey string
+	for _, etcInstallPath := range android.SortedKeys(etcInstallPathToFactoryList) {
+		// Do not break when found but iterate until the end to find a module with more
+		// specific install path
+		if strings.HasPrefix(destDir, etcInstallPath) {
+			etcInstallPathKey = etcInstallPath
+		}
+	}
+	relDestDirFromInstallDirBase, _ := filepath.Rel(etcInstallPathKey, destDir)
+
+	for fileIndex := range maxLen {
+		srcTuple := []srcBaseFileInstallBaseFileTuple{}
+		for _, groupedDestFile := range groupedDestFiles {
+			if len(groupedDestFile) > fileIndex {
+				srcTuple = append(srcTuple, groupedDestFile[fileIndex])
+			}
+		}
+
+		moduleName := generatedPrebuiltEtcModuleName(partition, srcDir, destDir, fileIndex)
+		moduleProps := prebuiltEtcModuleProps(moduleName, partition)
+		modulePropsPtr := &moduleProps
+		propsList := []interface{}{modulePropsPtr}
+
+		allCopyFileNamesUnchanged := true
+		var srcBaseFiles, installBaseFiles []string
+		for _, tuple := range srcTuple {
+			if tuple.srcBaseFile != tuple.installBaseFile {
+				allCopyFileNamesUnchanged = false
+			}
+			srcBaseFiles = append(srcBaseFiles, tuple.srcBaseFile)
+			installBaseFiles = append(installBaseFiles, tuple.installBaseFile)
+		}
+
+		// Set appropriate srcs, dsts, and releative_install_path based on
+		// the source and install file names
+		if allCopyFileNamesUnchanged {
+			modulePropsPtr.Srcs = srcBaseFiles
+
+			// Specify relative_install_path if it is not installed in the root directory of the
+			// partition
+			if !android.InList(relDestDirFromInstallDirBase, []string{"", "."}) {
+				propsList = append(propsList, &prebuiltSubdirProperties{
+					Relative_install_path: proptools.StringPtr(relDestDirFromInstallDirBase),
+				})
+			}
+		} else {
+			modulePropsPtr.Srcs = srcBaseFiles
+			dsts := []string{}
+			for _, installBaseFile := range installBaseFiles {
+				dsts = append(dsts, filepath.Join(relDestDirFromInstallDirBase, installBaseFile))
+			}
+			modulePropsPtr.Dsts = dsts
+		}
+
+		ctx.CreateModuleInDirectory(etcInstallPathToFactoryList[etcInstallPathKey], srcDir, propsList...)
+		moduleNames = append(moduleNames, moduleName)
+	}
+
+	return moduleNames
 }
 
 func createPrebuiltEtcModulesForPartition(ctx android.LoadHookContext, partition, srcDir string, destDirFilesMap map[string][]srcBaseFileInstallBaseFileTuple) (ret []string) {
 	for _, destDir := range android.SortedKeys(destDirFilesMap) {
-		ret = append(ret, createPrebuiltEtcModule(ctx, partition, srcDir, destDir, destDirFilesMap[destDir]))
+		ret = append(ret, createPrebuiltEtcModulesInDirectory(ctx, partition, srcDir, destDir, destDirFilesMap[destDir])...)
 	}
 	return ret
 }
diff --git a/fsgen/vbmeta_partitions.go b/fsgen/vbmeta_partitions.go
index 280e405..f7b4638 100644
--- a/fsgen/vbmeta_partitions.go
+++ b/fsgen/vbmeta_partitions.go
@@ -156,6 +156,10 @@
 			// Already handled by a chained vbmeta partition
 			continue
 		}
+		if partitionType == "ramdisk" {
+			// ramdisk is never signed with avb information
+			continue
+		}
 		partitionModules = append(partitionModules, generatedModuleNameForPartition(ctx.Config(), partitionType))
 	}
 
diff --git a/kernel/prebuilt_kernel_modules.go b/kernel/prebuilt_kernel_modules.go
index 78a463f..13d6482 100644
--- a/kernel/prebuilt_kernel_modules.go
+++ b/kernel/prebuilt_kernel_modules.go
@@ -56,6 +56,8 @@
 	// This feature is used by system_dlkm
 	Load_by_default *bool
 
+	Blocklist_file *string `android:"path"`
+
 	// Kernel version that these modules are for. Kernel modules are installed to
 	// /lib/modules/<kernel_version> directory in the corresponding partition. Default is "".
 	Kernel_version *string
@@ -109,10 +111,25 @@
 	ctx.InstallFile(installDir, "modules.dep", depmodOut.modulesDep)
 	ctx.InstallFile(installDir, "modules.softdep", depmodOut.modulesSoftdep)
 	ctx.InstallFile(installDir, "modules.alias", depmodOut.modulesAlias)
+	pkm.installBlocklistFile(ctx, installDir)
 
 	ctx.SetOutputFiles(modules, ".modules")
 }
 
+func (pkm *prebuiltKernelModules) installBlocklistFile(ctx android.ModuleContext, installDir android.InstallPath) {
+	if pkm.properties.Blocklist_file == nil {
+		return
+	}
+	blocklistOut := android.PathForModuleOut(ctx, "modules.blocklist")
+
+	ctx.Build(pctx, android.BuildParams{
+		Rule:   processBlocklistFile,
+		Input:  android.PathForModuleSrc(ctx, proptools.String(pkm.properties.Blocklist_file)),
+		Output: blocklistOut,
+	})
+	ctx.InstallFile(installDir, "modules.blocklist", blocklistOut)
+}
+
 var (
 	pctx = android.NewPackageContext("android/soong/kernel")
 
@@ -159,6 +176,19 @@
 			Command: `sed -e 's|\([^: ]*lib/modules/[^: ]*\)|/\1|g' $in > $out`,
 		},
 	)
+	// Remove empty lines. Raise an exception if line is _not_ formatted as `blocklist $name.ko`
+	processBlocklistFile = pctx.AndroidStaticRule("process_blocklist_file",
+		blueprint.RuleParams{
+			Command: `rm -rf $out && awk <$in > $out` +
+				` '/^#/ { print; next }` +
+				` NF == 0 { next }` +
+				` NF != 2 || $$1 != "blocklist"` +
+				` { print "Invalid blocklist line " FNR ": " $$0 >"/dev/stderr";` +
+				` exit_status = 1; next }` +
+				` { $$1 = $$1; print }` +
+				` END { exit exit_status }'`,
+		},
+	)
 )
 
 // This is the path in soong intermediates where the .ko files will be copied.