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Diffstat (limited to 'filesystem')
-rw-r--r--filesystem/android_device.go150
-rw-r--r--filesystem/filesystem.go6
2 files changed, 146 insertions, 10 deletions
diff --git a/filesystem/android_device.go b/filesystem/android_device.go
index c49e53686..04eaf840e 100644
--- a/filesystem/android_device.go
+++ b/filesystem/android_device.go
@@ -107,11 +107,15 @@ type androidDevice struct {
allImagesZip android.Path
- proguardDictZip android.Path
- proguardDictMapping android.Path
- proguardUsageZip android.Path
- kernelConfig android.Path
- kernelVersion android.Path
+ proguardDictZip android.Path
+ proguardDictMapping android.Path
+ proguardUsageZip android.Path
+ kernelConfig android.Path
+ kernelVersion android.Path
+ miscInfo android.Path
+ rootDirForFsConfig string
+ rootDirForFsConfigTimestamp android.Path
+ apkCertsInfo android.Path
}
func AndroidDeviceFactory() android.Module {
@@ -186,7 +190,9 @@ func (a *androidDevice) GenerateAndroidBuildActions(ctx android.ModuleContext) {
allInstalledModules := a.allInstalledModules(ctx)
+ a.apkCertsInfo = a.buildApkCertsInfo(ctx, allInstalledModules)
a.kernelConfig, a.kernelVersion = a.extractKernelVersionAndConfigs(ctx)
+ a.miscInfo = a.addMiscInfo(ctx)
a.buildTargetFilesZip(ctx, allInstalledModules)
a.buildProguardZips(ctx, allInstalledModules)
@@ -359,6 +365,10 @@ func (a *androidDevice) distFiles(ctx android.ModuleContext) {
ctx.DistForGoalWithFilename("droidcore-unbundled", a.proguardDictZip, namePrefix+insertBeforeExtension(a.proguardDictZip.Base(), "-FILE_NAME_TAG_PLACEHOLDER"))
ctx.DistForGoalWithFilename("droidcore-unbundled", a.proguardDictMapping, namePrefix+insertBeforeExtension(a.proguardDictMapping.Base(), "-FILE_NAME_TAG_PLACEHOLDER"))
ctx.DistForGoalWithFilename("droidcore-unbundled", a.proguardUsageZip, namePrefix+insertBeforeExtension(a.proguardUsageZip.Base(), "-FILE_NAME_TAG_PLACEHOLDER"))
+
+ if a.deviceProps.Android_info != nil {
+ ctx.DistForGoal("droidcore-unbundled", android.PathForModuleSrc(ctx, *a.deviceProps.Android_info))
+ }
}
}
@@ -496,6 +506,17 @@ func (a *androidDevice) buildTargetFilesZip(ctx android.ModuleContext, allInstal
if toCopy.destSubdir == "SYSTEM" {
// Create the ROOT partition in target_files.zip
builder.Command().Textf("rsync --links --exclude=system/* %s/ -r %s/ROOT", toCopy.fsInfo.RootDir, targetFilesDir.String())
+ // Add a duplicate rule to assemble the ROOT/ directory in separate intermediates.
+ // The output timestamp will be an input to a separate fs_config call.
+ a.rootDirForFsConfig = android.PathForModuleOut(ctx, "root_dir_for_fs_config").String()
+ rootDirBuilder := android.NewRuleBuilder(pctx, ctx)
+ rootDirForFsConfigTimestamp := android.PathForModuleOut(ctx, "root_dir_for_fs_config.timestamp")
+ rootDirBuilder.Command().Textf("rsync --links --exclude=system/* %s/ -r %s", toCopy.fsInfo.RootDir, a.rootDirForFsConfig).
+ Implicit(toCopy.fsInfo.Output).
+ Text("&& touch").
+ Output(rootDirForFsConfigTimestamp)
+ rootDirBuilder.Build("assemble_root_dir_for_fs_config", "Assemble ROOT/ for fs_config")
+ a.rootDirForFsConfigTimestamp = rootDirForFsConfigTimestamp
}
}
// Copy cmdline, kernel etc. files of boot images
@@ -634,11 +655,11 @@ func (a *androidDevice) copyMetadataToTargetZip(ctx android.ModuleContext, build
}
if partition == "system" {
// Create root_filesystem_config from the assembled ROOT/ intermediates directory
- a.generateFilesystemConfigForTargetFiles(ctx, builder, targetFilesDir.String(), targetFilesDir.String()+"/ROOT", "root_filesystem_config.txt")
+ a.generateFilesystemConfigForTargetFiles(ctx, builder, a.rootDirForFsConfigTimestamp, targetFilesDir.String(), a.rootDirForFsConfig, "root_filesystem_config.txt")
}
if partition == "vendor_ramdisk" {
// Create vendor_boot_filesystem_config from the assembled VENDOR_BOOT/RAMDISK intermediates directory
- a.generateFilesystemConfigForTargetFiles(ctx, builder, targetFilesDir.String(), targetFilesDir.String()+"/VENDOR_BOOT/RAMDISK", "vendor_boot_filesystem_config.txt")
+ a.generateFilesystemConfigForTargetFiles(ctx, builder, nil, targetFilesDir.String(), targetFilesDir.String()+"/VENDOR_BOOT/RAMDISK", "vendor_boot_filesystem_config.txt")
}
}
// Copy ramdisk_node_list
@@ -658,6 +679,9 @@ func (a *androidDevice) copyMetadataToTargetZip(ctx android.ModuleContext, build
}
installedApexKeys = android.SortedUniquePaths(installedApexKeys) // Sort by keypath to match make
builder.Command().Text("cat").Inputs(installedApexKeys).Textf(" >> %s/META/apexkeys.txt", targetFilesDir.String())
+ // apkcerts.txt
+ builder.Command().Textf("cp").Input(a.apkCertsInfo).Textf(" %s/META/", targetFilesDir.String())
+
// Copy fastboot-info.txt
if fastbootInfo := android.PathForModuleSrc(ctx, proptools.String(a.deviceProps.FastbootInfo)); fastbootInfo != nil {
// TODO (b/399788523): Autogenerate fastboot-info.txt if there is no source fastboot-info.txt
@@ -672,6 +696,12 @@ func (a *androidDevice) copyMetadataToTargetZip(ctx android.ModuleContext, build
if a.kernelVersion != nil {
builder.Command().Textf("cp").Input(a.kernelVersion).Textf(" %s/META/", targetFilesDir.String())
}
+ // misc_info.txt
+ if a.miscInfo != nil {
+ builder.Command().Textf("cp").Input(a.miscInfo).Textf(" %s/META/", targetFilesDir.String())
+ }
+ // apex_info.pb, care_map.pb, vbmeta_digest.txt
+ a.addImgToTargetFiles(ctx, builder, targetFilesDir.String())
if a.partitionProps.Super_partition_name != nil {
superPartition := ctx.GetDirectDepProxyWithTag(*a.partitionProps.Super_partition_name, superPartitionDepTag)
@@ -686,17 +716,71 @@ func (a *androidDevice) copyMetadataToTargetZip(ctx android.ModuleContext, build
}
+// A partial implementation of make's $PRODUCT_OUT/misc_info.txt
+// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=5894?q=misc_info.txt%20f:build%2Fmake%2Fcore%2FMakefile&ss=android%2Fplatform%2Fsuperproject%2Fmain
+// This file is subsequently used by add_img_to_target_files to create additioanl metadata files like apex_info.pb
+// TODO (b/399788119): Complete the migration of misc_info.txt
+func (a *androidDevice) addMiscInfo(ctx android.ModuleContext) android.Path {
+ builder := android.NewRuleBuilder(pctx, ctx)
+ miscInfo := android.PathForModuleOut(ctx, "misc_info.txt")
+ builder.Command().
+ Textf("rm -f %s", miscInfo).
+ Textf("&& echo recovery_api_version=%s >> %s", ctx.Config().VendorConfig("recovery").String("recovery_api_version"), miscInfo).
+ Textf("&& echo fstab_version=%s >> %s", ctx.Config().VendorConfig("recovery").String("recovery_fstab_version"), miscInfo).
+ ImplicitOutput(miscInfo)
+
+ if a.partitionProps.Recovery_partition_name == nil {
+ builder.Command().Textf("echo no_recovery=true >> %s", miscInfo)
+ }
+ fsInfos := a.getFsInfos(ctx)
+ for _, partition := range android.SortedKeys(fsInfos) {
+ if fsInfos[partition].UseAvb {
+ builder.Command().Textf("echo 'avb_%s_hashtree_enable=true' >> %s", partition, miscInfo)
+ }
+ }
+ if len(a.partitionProps.Vbmeta_partitions) > 0 {
+ builder.Command().
+ Textf("echo avb_enable=true >> %s", miscInfo).
+ Textf("&& echo avb_building_vbmeta_image=true >> %s", miscInfo).
+ Textf("&& echo avb_avbtool=avbtool >> %s", miscInfo)
+ }
+ if a.partitionProps.Boot_partition_name != nil {
+ builder.Command().Textf("echo boot_images=boot.img >> %s", miscInfo)
+ }
+
+ builder.Build("misc_info", "Building misc_info")
+
+ return miscInfo
+}
+
+// addImgToTargetFiles invokes `add_img_to_target_files` and creates the following files in META/
+// - apex_info.pb
+// - care_map.pb
+// - vbmeta_digest.txt
+func (a *androidDevice) addImgToTargetFiles(ctx android.ModuleContext, builder *android.RuleBuilder, targetFilesDir string) {
+ mkbootimg := ctx.Config().HostToolPath(ctx, "mkbootimg")
+ builder.Command().
+ Textf("PATH=%s:$PATH", ctx.Config().HostToolDir()).
+ Textf("MKBOOTIMG=%s", mkbootimg).
+ Implicit(mkbootimg).
+ BuiltTool("add_img_to_target_files").
+ Flag("-a -v -p").
+ Flag(ctx.Config().HostToolDir()).
+ Text(targetFilesDir)
+}
+
type ApexKeyPathInfo struct {
ApexKeyPath android.Path
}
var ApexKeyPathInfoProvider = blueprint.NewProvider[ApexKeyPathInfo]()
-func (a *androidDevice) generateFilesystemConfigForTargetFiles(ctx android.ModuleContext, builder *android.RuleBuilder, targetFilesDir, stagingDir, filename string) {
+func (a *androidDevice) generateFilesystemConfigForTargetFiles(ctx android.ModuleContext, builder *android.RuleBuilder, stagingDirTimestamp android.Path, targetFilesDir, stagingDir, filename string) {
fsConfigOut := android.PathForModuleOut(ctx, filename)
ctx.Build(pctx, android.BuildParams{
- Rule: fsConfigRule,
- Output: fsConfigOut,
+ Rule: fsConfigRule,
+ Implicit: stagingDirTimestamp,
+ Output: fsConfigOut,
Args: map[string]string{
"rootDir": stagingDir,
"prefix": "",
@@ -811,3 +895,49 @@ func (a *androidDevice) extractKernelVersionAndConfigs(ctx android.ModuleContext
return extractedVersionFile, extractedConfigsFile
}
+
+func (a *androidDevice) buildApkCertsInfo(ctx android.ModuleContext, allInstalledModules []android.Module) android.Path {
+ // TODO (spandandas): Add compressed
+ formatLine := func(cert java.Certificate, name, partition string) string {
+ pem := cert.AndroidMkString()
+ var key string
+ if cert.Key == nil {
+ key = ""
+ } else {
+ key = cert.Key.String()
+ }
+ return fmt.Sprintf(`name="%s" certificate="%s" private_key="%s" partition="%s"`, name, pem, key, partition)
+ }
+
+ apkCerts := []string{}
+ for _, installedModule := range allInstalledModules {
+ partition := ""
+ if commonInfo, ok := android.OtherModuleProvider(ctx, installedModule, android.CommonModuleInfoKey); ok {
+ partition = commonInfo.PartitionTag
+ } else {
+ ctx.ModuleErrorf("%s does not set CommonModuleInfoKey", installedModule.Name())
+ }
+ if info, ok := android.OtherModuleProvider(ctx, installedModule, java.AppInfoProvider); ok {
+ apkCerts = append(apkCerts, formatLine(info.Certificate, info.InstallApkName+".apk", partition))
+ } else if info, ok := android.OtherModuleProvider(ctx, installedModule, java.AppInfosProvider); ok {
+ for _, certInfo := range info {
+ apkCerts = append(apkCerts, formatLine(certInfo.Certificate, certInfo.InstallApkName+".apk", partition))
+ }
+ } else if info, ok := android.OtherModuleProvider(ctx, installedModule, java.RuntimeResourceOverlayInfoProvider); ok {
+ apkCerts = append(apkCerts, formatLine(info.Certificate, info.OutputFile.Base(), partition))
+ }
+ }
+ slices.Sort(apkCerts) // sort by name
+ fsInfos := a.getFsInfos(ctx)
+ if fsInfos["system"].HasFsverity {
+ defaultPem, defaultKey := ctx.Config().DefaultAppCertificate(ctx)
+ apkCerts = append(apkCerts, formatLine(java.Certificate{Pem: defaultPem, Key: defaultKey}, "BuildManifest.apk", "system"))
+ if info, ok := fsInfos["system_ext"]; ok && info.HasFsverity {
+ apkCerts = append(apkCerts, formatLine(java.Certificate{Pem: defaultPem, Key: defaultKey}, "BuildManifestSystemExt.apk", "system_ext"))
+ }
+ }
+
+ apkCertsInfo := android.PathForModuleOut(ctx, "apkcerts.txt")
+ android.WriteFileRuleVerbatim(ctx, apkCertsInfo, strings.Join(apkCerts, "\n")+"\n")
+ return apkCertsInfo
+}
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 88de21792..79db988a0 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -436,6 +436,10 @@ type FilesystemInfo struct {
FilesystemConfig android.Path
Owners []InstalledModuleInfo
+
+ UseAvb bool
+
+ HasFsverity bool
}
// FullInstallPathInfo contains information about the "full install" paths of all the files
@@ -680,6 +684,8 @@ func (f *filesystem) GenerateAndroidBuildActions(ctx android.ModuleContext) {
SelinuxFc: f.selinuxFc,
FilesystemConfig: f.generateFilesystemConfig(ctx, rootDir, rebasedDir),
Owners: f.gatherOwners(specs),
+ UseAvb: proptools.Bool(f.properties.Use_avb),
+ HasFsverity: f.properties.Fsverity.Inputs.GetOrDefault(ctx, nil) != nil,
}
android.SetProvider(ctx, FilesystemProvider, fsInfo)
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 02:16:05 +0000