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// Copyright 2024 Google Inc. All rights reserved.
//
// 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 filesystem
import (
"android/soong/android"
"strings"
"github.com/google/blueprint/proptools"
)
func init() {
android.RegisterModuleType("bootconfig", BootconfigModuleFactory)
pctx.Import("android/soong/android")
}
type bootconfigProperty struct {
// List of bootconfig parameters that will be written as a line separated list in the output
// file.
Boot_config []string
// Path to the file that contains the list of bootconfig parameters. This will be appended
// to the output file, after the entries in boot_config.
Boot_config_file *string `android:"path"`
}
type BootconfigModule struct {
android.ModuleBase
properties bootconfigProperty
}
// bootconfig module generates the `vendor-bootconfig.img` file, which lists the bootconfig
// parameters and can be passed as a `--vendor_bootconfig` value in mkbootimg invocation.
func BootconfigModuleFactory() android.Module {
module := &BootconfigModule{}
module.AddProperties(&module.properties)
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
return module
}
func (m *BootconfigModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
bootConfig := m.properties.Boot_config
bootConfigFileStr := proptools.String(m.properties.Boot_config_file)
if len(bootConfig) == 0 && len(bootConfigFileStr) == 0 {
return
}
var bootConfigFile android.Path
if len(bootConfigFileStr) > 0 {
bootConfigFile = android.PathForModuleSrc(ctx, bootConfigFileStr)
}
outputPath := android.PathForModuleOut(ctx, ctx.ModuleName(), "vendor-bootconfig.img")
bootConfigOutput := android.PathForModuleOut(ctx, ctx.ModuleName(), "bootconfig.txt")
android.WriteFileRule(ctx, bootConfigOutput, strings.Join(bootConfig, "\n"))
bcFiles := android.Paths{bootConfigOutput}
if bootConfigFile != nil {
bcFiles = append(bcFiles, bootConfigFile)
}
ctx.Build(pctx, android.BuildParams{
Rule: android.Cat,
Description: "concatenate bootconfig parameters",
Inputs: bcFiles,
Output: outputPath,
})
ctx.SetOutputFiles(android.Paths{outputPath}, "")
}
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