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Diffstat (limited to 'filesystem/filesystem.go')
-rw-r--r--filesystem/filesystem.go124
1 files changed, 105 insertions, 19 deletions
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index cadf9c246..5c7ef434f 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -60,7 +60,9 @@ type filesystem struct {
output android.OutputPath
installDir android.InstallPath
- // For testing. Keeps the result of CopySpecsToDir()
+ fileListFile android.OutputPath
+
+ // Keeps the entries installed from this filesystem
entries []string
}
@@ -106,7 +108,7 @@ type filesystemProperties struct {
Base_dir *string
// Directories to be created under root. e.g. /dev, /proc, etc.
- Dirs []string
+ Dirs proptools.Configurable[[]string]
// Symbolic links to be created under root with "ln -sf <target> <name>".
Symlinks []symlinkDefinition
@@ -127,6 +129,13 @@ type filesystemProperties struct {
// the make version.
Include_make_built_files string
+ // When set, builds etc/event-log-tags file by merging logtags from all dependencies.
+ // 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
}
@@ -137,6 +146,7 @@ type filesystemProperties struct {
// partitions like system.img. For example, cc_library modules are placed under ./lib[64] directory.
func filesystemFactory() android.Module {
module := &filesystem{}
+ module.filterPackagingSpec = module.filterInstallablePackagingSpec
initFilesystemModule(module)
return module
}
@@ -144,6 +154,7 @@ func filesystemFactory() android.Module {
func initFilesystemModule(module *filesystem) {
module.AddProperties(&module.properties)
android.InitPackageModule(module)
+ module.PackagingBase.DepsCollectFirstTargetOnly = true
android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
android.InitDefaultableModule(module)
}
@@ -189,6 +200,12 @@ func (f *filesystem) partitionName() string {
return proptools.StringDefault(f.properties.Partition_name, f.Name())
}
+func (f *filesystem) filterInstallablePackagingSpec(ps android.PackagingSpec) bool {
+ // Filesystem module respects the installation semantic. A PackagingSpec from a module with
+ // IsSkipInstall() is skipped.
+ return !ps.SkipInstall()
+}
+
var pctx = android.NewPackageContext("android/soong/filesystem")
func (f *filesystem) GenerateAndroidBuildActions(ctx android.ModuleContext) {
@@ -206,6 +223,26 @@ func (f *filesystem) GenerateAndroidBuildActions(ctx android.ModuleContext) {
f.installDir = android.PathForModuleInstall(ctx, "etc")
ctx.InstallFile(f.installDir, f.installFileName(), f.output)
+ ctx.SetOutputFiles([]android.Path{f.output}, "")
+
+ f.fileListFile = android.PathForModuleOut(ctx, "fileList").OutputPath
+ android.WriteFileRule(ctx, f.fileListFile, f.installedFilesList())
+}
+
+func (f *filesystem) appendToEntry(ctx android.ModuleContext, installedFile android.OutputPath) {
+ partitionBaseDir := android.PathForModuleOut(ctx, "root", f.partitionName()).String() + "/"
+
+ relPath, inTargetPartition := strings.CutPrefix(installedFile.String(), partitionBaseDir)
+ if inTargetPartition {
+ f.entries = append(f.entries, relPath)
+ }
+}
+
+func (f *filesystem) installedFilesList() string {
+ installedFilePaths := android.FirstUniqueStrings(f.entries)
+ slices.Sort(installedFilePaths)
+
+ return strings.Join(installedFilePaths, "\n")
}
func validatePartitionType(ctx android.ModuleContext, p partition) {
@@ -228,7 +265,7 @@ func validatePartitionType(ctx android.ModuleContext, p partition) {
// already in `rootDir`.
func (f *filesystem) buildNonDepsFiles(ctx android.ModuleContext, builder *android.RuleBuilder, rootDir android.OutputPath) {
// create dirs and symlinks
- for _, dir := range f.properties.Dirs {
+ for _, dir := range f.properties.Dirs.GetOrDefault(ctx, nil) {
// OutputPath.Join verifies dir
builder.Command().Text("mkdir -p").Text(rootDir.Join(ctx, dir).String())
}
@@ -252,17 +289,19 @@ func (f *filesystem) buildNonDepsFiles(ctx android.ModuleContext, builder *andro
builder.Command().Textf("(! [ -e %s -o -L %s ] || (echo \"%s already exists from an earlier stage of the build\" && exit 1))", dst, dst, dst)
builder.Command().Text("mkdir -p").Text(filepath.Dir(dst.String()))
builder.Command().Text("ln -sf").Text(proptools.ShellEscape(target)).Text(dst.String())
+ f.appendToEntry(ctx, dst)
}
// create extra files if there's any
if f.buildExtraFiles != nil {
rootForExtraFiles := android.PathForModuleGen(ctx, "root-extra").OutputPath
extraFiles := f.buildExtraFiles(ctx, rootForExtraFiles)
- for _, f := range extraFiles {
- rel, err := filepath.Rel(rootForExtraFiles.String(), f.String())
+ for _, extraFile := range extraFiles {
+ rel, err := filepath.Rel(rootForExtraFiles.String(), extraFile.String())
if err != nil || strings.HasPrefix(rel, "..") {
- ctx.ModuleErrorf("can't make %q relative to %q", f, rootForExtraFiles)
+ ctx.ModuleErrorf("can't make %q relative to %q", extraFile, rootForExtraFiles)
}
+ f.appendToEntry(ctx, rootDir.Join(ctx, rel))
}
if len(extraFiles) > 0 {
builder.Command().BuiltTool("merge_directories").
@@ -273,6 +312,25 @@ func (f *filesystem) buildNonDepsFiles(ctx android.ModuleContext, builder *andro
}
}
+func (f *filesystem) copyPackagingSpecs(ctx android.ModuleContext, builder *android.RuleBuilder, specs map[string]android.PackagingSpec, rootDir, rebasedDir android.WritablePath) []string {
+ rootDirSpecs := make(map[string]android.PackagingSpec)
+ rebasedDirSpecs := make(map[string]android.PackagingSpec)
+
+ for rel, spec := range specs {
+ if spec.Partition() == "root" {
+ rootDirSpecs[rel] = spec
+ } else {
+ rebasedDirSpecs[rel] = spec
+ }
+ }
+
+ dirsToSpecs := make(map[android.WritablePath]map[string]android.PackagingSpec)
+ dirsToSpecs[rootDir] = rootDirSpecs
+ dirsToSpecs[rebasedDir] = rebasedDirSpecs
+
+ return f.CopySpecsToDirs(ctx, builder, dirsToSpecs)
+}
+
func (f *filesystem) buildImageUsingBuildImage(ctx android.ModuleContext) android.OutputPath {
rootDir := android.PathForModuleOut(ctx, "root").OutputPath
rebasedDir := rootDir
@@ -283,11 +341,13 @@ func (f *filesystem) buildImageUsingBuildImage(ctx android.ModuleContext) androi
// Wipe the root dir to get rid of leftover files from prior builds
builder.Command().Textf("rm -rf %s && mkdir -p %s", rootDir, rootDir)
specs := f.gatherFilteredPackagingSpecs(ctx)
- f.entries = f.CopySpecsToDir(ctx, builder, specs, rebasedDir)
+ f.entries = f.copyPackagingSpecs(ctx, builder, specs, rootDir, rebasedDir)
f.buildNonDepsFiles(ctx, builder, rootDir)
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.
@@ -424,10 +484,12 @@ func (f *filesystem) buildCpioImage(ctx android.ModuleContext, compressed bool)
// Wipe the root dir to get rid of leftover files from prior builds
builder.Command().Textf("rm -rf %s && mkdir -p %s", rootDir, rootDir)
specs := f.gatherFilteredPackagingSpecs(ctx)
- f.entries = f.CopySpecsToDir(ctx, builder, specs, rebasedDir)
+ f.entries = f.copyPackagingSpecs(ctx, builder, specs, rootDir, rebasedDir)
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().
@@ -485,6 +547,39 @@ func (f *filesystem) addMakeBuiltFiles(ctx android.ModuleContext, builder *andro
Text(android.PathForArbitraryOutput(ctx, stagingDir).String())
}
+func (f *filesystem) buildEventLogtagsFile(ctx android.ModuleContext, builder *android.RuleBuilder, rebasedDir android.OutputPath) {
+ if !proptools.Bool(f.properties.Build_logtags) {
+ return
+ }
+
+ logtagsFilePaths := make(map[string]bool)
+ ctx.WalkDeps(func(child, parent android.Module) bool {
+ if logtagsInfo, ok := android.OtherModuleProvider(ctx, child, android.LogtagsProviderKey); ok {
+ for _, path := range logtagsInfo.Logtags {
+ logtagsFilePaths[path.String()] = true
+ }
+ }
+ return true
+ })
+
+ if len(logtagsFilePaths) == 0 {
+ return
+ }
+
+ etcPath := rebasedDir.Join(ctx, "etc")
+ eventLogtagsPath := etcPath.Join(ctx, "event-log-tags")
+ builder.Command().Text("mkdir").Flag("-p").Text(etcPath.String())
+ cmd := builder.Command().BuiltTool("merge-event-log-tags").
+ FlagWithArg("-o ", eventLogtagsPath.String()).
+ FlagWithInput("-m ", android.MergedLogtagsPath(ctx))
+
+ for _, path := range android.SortedKeys(logtagsFilePaths) {
+ cmd.Text(path)
+ }
+
+ f.appendToEntry(ctx, eventLogtagsPath)
+}
+
type partition interface {
PartitionType() string
}
@@ -506,21 +601,12 @@ func (f *filesystem) AndroidMkEntries() []android.AndroidMkEntries {
func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
entries.SetString("LOCAL_MODULE_PATH", f.installDir.String())
entries.SetString("LOCAL_INSTALLED_MODULE_STEM", f.installFileName())
+ entries.SetString("LOCAL_FILESYSTEM_FILELIST", f.fileListFile.String())
},
},
}}
}
-var _ android.OutputFileProducer = (*filesystem)(nil)
-
-// Implements android.OutputFileProducer
-func (f *filesystem) OutputFiles(tag string) (android.Paths, error) {
- if tag == "" {
- return []android.Path{f.output}, nil
- }
- return nil, fmt.Errorf("unsupported module reference tag %q", tag)
-}
-
// Filesystem is the public interface for the filesystem struct. Currently, it's only for the apex
// package to have access to the output file.
type Filesystem interface {
@@ -565,7 +651,7 @@ func sha1sum(values []string) string {
var _ cc.UseCoverage = (*filesystem)(nil)
-func (*filesystem) IsNativeCoverageNeeded(ctx android.IncomingTransitionContext) bool {
+func (*filesystem) IsNativeCoverageNeeded(ctx cc.IsNativeCoverageNeededContext) bool {
return ctx.Device() && ctx.DeviceConfig().NativeCoverageEnabled()
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-17 13:46:57 +0000