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Diffstat (limited to 'fsgen/filesystem_creator.go')
-rw-r--r--fsgen/filesystem_creator.go328
1 files changed, 300 insertions, 28 deletions
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index 06e154ac6..35421c3ce 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -24,6 +24,7 @@ import (
"sync"
"android/soong/android"
+ "android/soong/etc"
"android/soong/filesystem"
"github.com/google/blueprint"
@@ -97,24 +98,299 @@ func defaultDepCandidateProps(config android.Config) *depCandidateProps {
}
}
-func createFsGenState(ctx android.LoadHookContext) *FsGenState {
- return ctx.Config().Once(fsGenStateOnceKey, func() interface{} {
- partitionVars := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
- candidates := android.FirstUniqueStrings(android.Concat(partitionVars.ProductPackages, partitionVars.ProductPackagesDebug))
+type srcBaseFileInstallBaseFileTuple struct {
+ srcBaseFile string
+ installBaseFile string
+}
+
+// prebuilt src files grouped by the install partitions.
+// Each groups are a mapping of the relative install path to the name of the files
+type prebuiltSrcGroupByInstallPartition struct {
+ system map[string][]srcBaseFileInstallBaseFileTuple
+ system_ext map[string][]srcBaseFileInstallBaseFileTuple
+ product map[string][]srcBaseFileInstallBaseFileTuple
+ vendor map[string][]srcBaseFileInstallBaseFileTuple
+}
+
+func newPrebuiltSrcGroupByInstallPartition() *prebuiltSrcGroupByInstallPartition {
+ return &prebuiltSrcGroupByInstallPartition{
+ system: map[string][]srcBaseFileInstallBaseFileTuple{},
+ system_ext: map[string][]srcBaseFileInstallBaseFileTuple{},
+ product: map[string][]srcBaseFileInstallBaseFileTuple{},
+ vendor: map[string][]srcBaseFileInstallBaseFileTuple{},
+ }
+}
+
+func isSubdirectory(parent, child string) bool {
+ rel, err := filepath.Rel(parent, child)
+ if err != nil {
+ return false
+ }
+ return !strings.HasPrefix(rel, "..")
+}
+
+func appendIfCorrectInstallPartition(partitionToInstallPathList []partitionToInstallPath, destPath, srcPath string, srcGroup *prebuiltSrcGroupByInstallPartition) {
+ for _, part := range partitionToInstallPathList {
+ partition := part.name
+ installPath := part.installPath
+
+ if isSubdirectory(installPath, destPath) {
+ relativeInstallPath, _ := filepath.Rel(installPath, destPath)
+ relativeInstallDir := filepath.Dir(relativeInstallPath)
+ var srcMap map[string][]srcBaseFileInstallBaseFileTuple
+ switch partition {
+ case "system":
+ srcMap = srcGroup.system
+ case "system_ext":
+ srcMap = srcGroup.system_ext
+ case "product":
+ srcMap = srcGroup.product
+ case "vendor":
+ srcMap = srcGroup.vendor
+ }
+ if srcMap != nil {
+ srcMap[relativeInstallDir] = append(srcMap[relativeInstallDir], srcBaseFileInstallBaseFileTuple{
+ srcBaseFile: filepath.Base(srcPath),
+ installBaseFile: filepath.Base(destPath),
+ })
+ }
+ return
+ }
+ }
+}
+
+func uniqueExistingProductCopyFileMap(ctx android.LoadHookContext) map[string]string {
+ seen := make(map[string]bool)
+ filtered := make(map[string]string)
+
+ for src, dest := range ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.ProductCopyFiles {
+ if _, ok := seen[dest]; !ok {
+ if optionalPath := android.ExistentPathForSource(ctx, src); optionalPath.Valid() {
+ seen[dest] = true
+ filtered[src] = dest
+ }
+ }
+ }
+
+ return filtered
+}
+
+type partitionToInstallPath struct {
+ name string
+ installPath string
+}
+
+func processProductCopyFiles(ctx android.LoadHookContext) map[string]*prebuiltSrcGroupByInstallPartition {
+ // Filter out duplicate dest entries and non existing src entries
+ productCopyFileMap := uniqueExistingProductCopyFileMap(ctx)
+
+ // System is intentionally added at the last to consider the scenarios where
+ // non-system partitions are installed as part of the system partition
+ partitionToInstallPathList := []partitionToInstallPath{
+ {name: "vendor", installPath: ctx.DeviceConfig().VendorPath()},
+ {name: "product", installPath: ctx.DeviceConfig().ProductPath()},
+ {name: "system_ext", installPath: ctx.DeviceConfig().SystemExtPath()},
+ {name: "system", installPath: "system"},
+ }
+
+ groupedSources := map[string]*prebuiltSrcGroupByInstallPartition{}
+ for _, src := range android.SortedKeys(productCopyFileMap) {
+ dest := productCopyFileMap[src]
+ srcFileDir := filepath.Dir(src)
+ if _, ok := groupedSources[srcFileDir]; !ok {
+ groupedSources[srcFileDir] = newPrebuiltSrcGroupByInstallPartition()
+ }
+ appendIfCorrectInstallPartition(partitionToInstallPathList, dest, filepath.Base(src), groupedSources[srcFileDir])
+ }
+
+ return groupedSources
+}
+
+type prebuiltModuleProperties struct {
+ Name *string
+
+ Soc_specific *bool
+ Product_specific *bool
+ System_ext_specific *bool
+
+ Srcs []string
+ Dsts []string
+
+ No_full_install *bool
+
+ NamespaceExportedToMake bool
+
+ Visibility []string
+}
+
+// Split relative_install_path to a separate struct, because it is not supported for every
+// modules listed in [etcInstallPathToFactoryMap]
+type prebuiltSubdirProperties struct {
+ // If the base file name of the src and dst all match, dsts property does not need to be
+ // set, and only relative_install_path can be set.
+ Relative_install_path *string
+}
+
+var (
+ etcInstallPathToFactoryList = map[string]android.ModuleFactory{
+ "": etc.PrebuiltRootFactory,
+ "avb": etc.PrebuiltAvbFactory,
+ "bin": etc.PrebuiltBinaryFactory,
+ "cacerts": etc.PrebuiltEtcCaCertsFactory,
+ "dsp": etc.PrebuiltDSPFactory,
+ "etc": etc.PrebuiltEtcFactory,
+ "etc/dsp": etc.PrebuiltDSPFactory,
+ "etc/firmware": etc.PrebuiltFirmwareFactory,
+ "firmware": etc.PrebuiltFirmwareFactory,
+ "fonts": etc.PrebuiltFontFactory,
+ "framework": etc.PrebuiltFrameworkFactory,
+ "lib": etc.PrebuiltRenderScriptBitcodeFactory,
+ "lib64": etc.PrebuiltRenderScriptBitcodeFactory,
+ "lib/rfsa": etc.PrebuiltRFSAFactory,
+ "media": etc.PrebuiltMediaFactory,
+ "odm": etc.PrebuiltOdmFactory,
+ "overlay": etc.PrebuiltOverlayFactory,
+ "priv-app": etc.PrebuiltPrivAppFactory,
+ "res": etc.PrebuiltResFactory,
+ "rfs": etc.PrebuiltRfsFactory,
+ "tts": etc.PrebuiltVoicepackFactory,
+ "usr/share": etc.PrebuiltUserShareFactory,
+ "usr/hyphen-data": etc.PrebuiltUserHyphenDataFactory,
+ "usr/keylayout": etc.PrebuiltUserKeyLayoutFactory,
+ "usr/keychars": etc.PrebuiltUserKeyCharsFactory,
+ "usr/srec": etc.PrebuiltUserSrecFactory,
+ "usr/idc": etc.PrebuiltUserIdcFactory,
+ "wallpaper": etc.PrebuiltWallpaperFactory,
+ "wlc_upt": etc.PrebuiltWlcUptFactory,
+ }
+)
+
+func createPrebuiltEtcModule(ctx android.LoadHookContext, partition, srcDir, destDir string, destFiles []srcBaseFileInstallBaseFileTuple) string {
+ moduleProps := &prebuiltModuleProperties{}
+ propsList := []interface{}{moduleProps}
- generatedPartitions := []string{"system"}
- if ctx.DeviceConfig().SystemExtPath() == "system_ext" {
- generatedPartitions = append(generatedPartitions, "system_ext")
+ // generated module name follows the pattern:
+ // <install partition>-<src file path>-<relative install path from partition root>-<install file extension>
+ // Note that all path separators are replaced with "_" in the name
+ moduleName := partition
+ if !android.InList(srcDir, []string{"", "."}) {
+ moduleName += fmt.Sprintf("-%s", strings.ReplaceAll(srcDir, string(filepath.Separator), "_"))
+ }
+ 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, "."))
}
- if ctx.DeviceConfig().BuildingVendorImage() && ctx.DeviceConfig().VendorPath() == "vendor" {
- generatedPartitions = append(generatedPartitions, "vendor")
+ }
+ moduleProps.Name = proptools.StringPtr(moduleName)
+
+ allCopyFileNamesUnchanged := true
+ var srcBaseFiles, installBaseFiles []string
+ for _, tuple := range destFiles {
+ if tuple.srcBaseFile != tuple.installBaseFile {
+ allCopyFileNamesUnchanged = false
+ }
+ srcBaseFiles = append(srcBaseFiles, tuple.srcBaseFile)
+ installBaseFiles = append(installBaseFiles, tuple.installBaseFile)
+ }
+
+ // 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
}
- if ctx.DeviceConfig().BuildingProductImage() && ctx.DeviceConfig().ProductPath() == "product" {
- generatedPartitions = append(generatedPartitions, "product")
+ }
+ destDir, _ = filepath.Rel(etcInstallPathKey, destDir)
+
+ // Set partition specific properties
+ switch partition {
+ case "system_ext":
+ moduleProps.System_ext_specific = proptools.BoolPtr(true)
+ case "product":
+ moduleProps.Product_specific = proptools.BoolPtr(true)
+ case "vendor":
+ 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),
+ })
}
- if ctx.DeviceConfig().BuildingOdmImage() && ctx.DeviceConfig().OdmPath() == "odm" {
- generatedPartitions = append(generatedPartitions, "odm")
+ } 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 moduleName
+}
+
+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]))
+ }
+ return ret
+}
+
+// Creates prebuilt_* modules based on the install paths and returns the list of generated
+// module names
+func createPrebuiltEtcModules(ctx android.LoadHookContext) (ret []string) {
+ groupedSources := processProductCopyFiles(ctx)
+ for _, srcDir := range android.SortedKeys(groupedSources) {
+ groupedSource := groupedSources[srcDir]
+ ret = append(ret, createPrebuiltEtcModulesForPartition(ctx, "system", srcDir, groupedSource.system)...)
+ ret = append(ret, createPrebuiltEtcModulesForPartition(ctx, "system_ext", srcDir, groupedSource.system_ext)...)
+ ret = append(ret, createPrebuiltEtcModulesForPartition(ctx, "product", srcDir, groupedSource.product)...)
+ ret = append(ret, createPrebuiltEtcModulesForPartition(ctx, "vendor", srcDir, groupedSource.vendor)...)
+ }
+
+ return ret
+}
+
+func generatedPartitions(ctx android.LoadHookContext) []string {
+ generatedPartitions := []string{"system"}
+ if ctx.DeviceConfig().SystemExtPath() == "system_ext" {
+ generatedPartitions = append(generatedPartitions, "system_ext")
+ }
+ if ctx.DeviceConfig().BuildingVendorImage() && ctx.DeviceConfig().VendorPath() == "vendor" {
+ generatedPartitions = append(generatedPartitions, "vendor")
+ }
+ if ctx.DeviceConfig().BuildingProductImage() && ctx.DeviceConfig().ProductPath() == "product" {
+ generatedPartitions = append(generatedPartitions, "product")
+ }
+ if ctx.DeviceConfig().BuildingOdmImage() && ctx.DeviceConfig().OdmPath() == "odm" {
+ generatedPartitions = append(generatedPartitions, "odm")
+ }
+ return generatedPartitions
+}
+
+func createFsGenState(ctx android.LoadHookContext, generatedPrebuiltEtcModuleNames []string) *FsGenState {
+ return ctx.Config().Once(fsGenStateOnceKey, func() interface{} {
+ partitionVars := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
+ candidates := android.FirstUniqueStrings(android.Concat(partitionVars.ProductPackages, partitionVars.ProductPackagesDebug))
+ candidates = android.Concat(candidates, generatedPrebuiltEtcModuleNames)
return &FsGenState{
depCandidates: candidates,
@@ -124,19 +400,14 @@ func createFsGenState(ctx android.LoadHookContext) *FsGenState {
"com.android.apex.cts.shim.v1_prebuilt": defaultDepCandidateProps(ctx.Config()),
"dex_bootjars": defaultDepCandidateProps(ctx.Config()),
"framework_compatibility_matrix.device.xml": defaultDepCandidateProps(ctx.Config()),
- "idc_data": defaultDepCandidateProps(ctx.Config()),
- "init.environ.rc-soong": defaultDepCandidateProps(ctx.Config()),
- "keychars_data": defaultDepCandidateProps(ctx.Config()),
- "keylayout_data": defaultDepCandidateProps(ctx.Config()),
- "libclang_rt.asan": defaultDepCandidateProps(ctx.Config()),
- "libcompiler_rt": defaultDepCandidateProps(ctx.Config()),
- "libdmabufheap": defaultDepCandidateProps(ctx.Config()),
- "libgsi": defaultDepCandidateProps(ctx.Config()),
- "llndk.libraries.txt": defaultDepCandidateProps(ctx.Config()),
- "logpersist.start": defaultDepCandidateProps(ctx.Config()),
- "preloaded-classes": defaultDepCandidateProps(ctx.Config()),
- "public.libraries.android.txt": defaultDepCandidateProps(ctx.Config()),
- "update_engine_sideload": defaultDepCandidateProps(ctx.Config()),
+ "init.environ.rc-soong": defaultDepCandidateProps(ctx.Config()),
+ "libclang_rt.asan": defaultDepCandidateProps(ctx.Config()),
+ "libcompiler_rt": defaultDepCandidateProps(ctx.Config()),
+ "libdmabufheap": defaultDepCandidateProps(ctx.Config()),
+ "libgsi": defaultDepCandidateProps(ctx.Config()),
+ "llndk.libraries.txt": defaultDepCandidateProps(ctx.Config()),
+ "logpersist.start": defaultDepCandidateProps(ctx.Config()),
+ "update_engine_sideload": defaultDepCandidateProps(ctx.Config()),
},
"vendor": {
"fs_config_files_vendor": defaultDepCandidateProps(ctx.Config()),
@@ -161,7 +432,7 @@ func createFsGenState(ctx android.LoadHookContext) *FsGenState {
"com.android.vndk.v34": defaultDepCandidateProps(ctx.Config()),
},
},
- soongGeneratedPartitions: generatedPartitions,
+ soongGeneratedPartitions: generatedPartitions(ctx),
fsDepsMutex: sync.Mutex{},
moduleToInstallationProps: map[string]installationProperties{},
}
@@ -374,7 +645,8 @@ func filesystemCreatorFactory() android.Module {
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
module.AddProperties(&module.properties)
android.AddLoadHook(module, func(ctx android.LoadHookContext) {
- createFsGenState(ctx)
+ generatedPrebuiltEtcModuleNames := createPrebuiltEtcModules(ctx)
+ createFsGenState(ctx, generatedPrebuiltEtcModuleNames)
module.createInternalModules(ctx)
})
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-11 15:23:21 +0000