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// 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 fsgen
import (
"android/soong/android"
"android/soong/filesystem"
"fmt"
"strconv"
"github.com/google/blueprint/proptools"
)
func init() {
registerBuildComponents(android.InitRegistrationContext)
}
func registerBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("soong_filesystem_creator", filesystemCreatorFactory)
}
type filesystemCreator struct {
android.ModuleBase
}
func filesystemCreatorFactory() android.Module {
module := &filesystemCreator{}
android.InitAndroidModule(module)
android.AddLoadHook(module, func(ctx android.LoadHookContext) {
module.createInternalModules(ctx)
})
return module
}
func (f *filesystemCreator) createInternalModules(ctx android.LoadHookContext) {
f.createSystemImage(ctx)
}
func (f *filesystemCreator) createSystemImage(ctx android.LoadHookContext) {
baseProps := &struct {
Name *string
}{
Name: proptools.StringPtr(fmt.Sprintf("%s_generated_system_image", ctx.Config().DeviceProduct())),
}
fsProps := &(filesystem.FilesystemProperties{})
partitionVars := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
systemPartitionVars := partitionVars.PartitionQualifiedVariables["system"]
// BOARD_AVB_ENABLE
fsProps.Use_avb = proptools.BoolPtr(partitionVars.BoardAvbEnable)
// BOARD_AVB_KEY_PATH
fsProps.Avb_private_key = proptools.StringPtr(systemPartitionVars.BoardAvbKeyPath)
// BOARD_AVB_ALGORITHM
fsProps.Avb_algorithm = proptools.StringPtr(systemPartitionVars.BoardAvbAlgorithm)
// BOARD_AVB_SYSTEM_ROLLBACK_INDEX
if rollbackIndex, err := strconv.ParseInt(systemPartitionVars.BoardAvbRollbackIndex, 10, 64); err == nil {
fsProps.Rollback_index = proptools.Int64Ptr(rollbackIndex)
}
fsProps.Partition_name = proptools.StringPtr("system")
// BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE
fsProps.Type = proptools.StringPtr(systemPartitionVars.BoardFileSystemType)
fsProps.Base_dir = proptools.StringPtr("system")
fsProps.Gen_aconfig_flags_pb = proptools.BoolPtr(true)
// Identical to that of the generic_system_image
fsProps.Fsverity.Inputs = []string{
"etc/boot-image.prof",
"etc/dirty-image-objects",
"etc/preloaded-classes",
"etc/classpaths/*.pb",
"framework/*",
"framework/*/*", // framework/{arch}
"framework/oat/*/*", // framework/oat/{arch}
}
// system_image properties that are not set:
// - filesystemProperties.Avb_hash_algorithm
// - filesystemProperties.File_contexts
// - filesystemProperties.Dirs
// - filesystemProperties.Symlinks
// - filesystemProperties.Fake_timestamp
// - filesystemProperties.Uuid
// - filesystemProperties.Mount_point
// - filesystemProperties.Include_make_built_files
// - filesystemProperties.Build_logtags
// - filesystemProperties.Fsverity.Libs
// - systemImageProperties.Linker_config_src
ctx.CreateModule(filesystem.SystemImageFactory, baseProps, fsProps)
}
func (f *filesystemCreator) GenerateAndroidBuildActions(ctx android.ModuleContext) {
}
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