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-rw-r--r--android/variable.go2
-rw-r--r--filesystem/bootimg.go8
-rw-r--r--fsgen/Android.bp1
-rw-r--r--fsgen/boot_imgs.go78
-rw-r--r--fsgen/filesystem_creator.go66
-rw-r--r--fsgen/fsgen_mutators.go30
-rw-r--r--fsgen/vbmeta_partitions.go5
7 files changed, 149 insertions, 41 deletions
diff --git a/android/variable.go b/android/variable.go
index 2d43c6da4..88cf5a54b 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -610,6 +610,7 @@ type PartitionVariables struct {
CopyImagesForTargetFilesZip bool `json:",omitempty"`
// Boot image stuff
+ BuildingRamdiskImage bool `json:",omitempty"`
ProductBuildBootImage bool `json:",omitempty"`
ProductBuildInitBootImage bool `json:",omitempty"`
BoardUsesRecoveryAsBoot bool `json:",omitempty"`
@@ -618,6 +619,7 @@ type PartitionVariables struct {
BoardBootimagePartitionSize string `json:",omitempty"`
BoardInitBootimagePartitionSize string `json:",omitempty"`
BoardBootHeaderVersion string `json:",omitempty"`
+ TargetKernelPath string `json:",omitempty"`
// Avb (android verified boot) stuff
BoardAvbEnable bool `json:",omitempty"`
diff --git a/filesystem/bootimg.go b/filesystem/bootimg.go
index c9bd61788..226d95cbf 100644
--- a/filesystem/bootimg.go
+++ b/filesystem/bootimg.go
@@ -26,19 +26,19 @@ import (
)
func init() {
- android.RegisterModuleType("bootimg", bootimgFactory)
+ android.RegisterModuleType("bootimg", BootimgFactory)
}
type bootimg struct {
android.ModuleBase
- properties bootimgProperties
+ properties BootimgProperties
output android.Path
installDir android.InstallPath
}
-type bootimgProperties struct {
+type BootimgProperties struct {
// Set the name of the output. Defaults to <module_name>.img.
Stem *string
@@ -82,7 +82,7 @@ type bootimgProperties struct {
}
// bootimg is the image for the boot partition. It consists of header, kernel, ramdisk, and dtb.
-func bootimgFactory() android.Module {
+func BootimgFactory() android.Module {
module := &bootimg{}
module.AddProperties(&module.properties)
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
diff --git a/fsgen/Android.bp b/fsgen/Android.bp
index 8cd7518cb..a0225811e 100644
--- a/fsgen/Android.bp
+++ b/fsgen/Android.bp
@@ -13,6 +13,7 @@ bootstrap_go_package {
"soong-kernel",
],
srcs: [
+ "boot_imgs.go",
"filesystem_creator.go",
"fsgen_mutators.go",
"prebuilt_etc_modules_gen.go",
diff --git a/fsgen/boot_imgs.go b/fsgen/boot_imgs.go
new file mode 100644
index 000000000..66d910750
--- /dev/null
+++ b/fsgen/boot_imgs.go
@@ -0,0 +1,78 @@
+package fsgen
+
+import (
+ "android/soong/android"
+ "android/soong/filesystem"
+ "path/filepath"
+
+ "github.com/google/blueprint/proptools"
+)
+
+func createBootImage(ctx android.LoadHookContext) bool {
+ partitionVariables := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
+
+ if partitionVariables.TargetKernelPath == "" {
+ // There are potentially code paths that don't set TARGET_KERNEL_PATH
+ return false
+ }
+
+ kernelDir := filepath.Dir(partitionVariables.TargetKernelPath)
+ kernelBase := filepath.Base(partitionVariables.TargetKernelPath)
+ kernelFilegroupName := generatedModuleName(ctx.Config(), "kernel")
+
+ ctx.CreateModuleInDirectory(
+ android.FileGroupFactory,
+ kernelDir,
+ &struct {
+ Name *string
+ Srcs []string
+ Visibility []string
+ }{
+ Name: proptools.StringPtr(kernelFilegroupName),
+ Srcs: []string{kernelBase},
+ Visibility: []string{"//visibility:public"},
+ },
+ )
+
+ bootImageName := generatedModuleNameForPartition(ctx.Config(), "boot")
+
+ ctx.CreateModule(
+ filesystem.BootimgFactory,
+ &filesystem.BootimgProperties{
+ Kernel_prebuilt: proptools.StringPtr(":" + kernelFilegroupName),
+ Ramdisk_module: proptools.StringPtr(generatedModuleNameForPartition(ctx.Config(), "ramdisk")),
+ Header_version: proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
+ },
+ &struct {
+ Name *string
+ }{
+ Name: proptools.StringPtr(bootImageName),
+ },
+ )
+ return true
+}
+
+// Returns the equivalent of the BUILDING_BOOT_IMAGE variable in make. Derived from this logic:
+// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/board_config.mk;l=458;drc=5b55f926830963c02ab1d2d91e46442f04ba3af0
+func buildingBootImage(partitionVars android.PartitionVariables) bool {
+ if partitionVars.BoardUsesRecoveryAsBoot {
+ return false
+ }
+
+ if partitionVars.ProductBuildBootImage {
+ return true
+ }
+
+ if len(partitionVars.BoardPrebuiltBootimage) > 0 {
+ return false
+ }
+
+ if len(partitionVars.BoardBootimagePartitionSize) > 0 {
+ return true
+ }
+
+ // TODO: return true if BOARD_KERNEL_BINARIES is set and has a *_BOOTIMAGE_PARTITION_SIZE
+ // variable. However, I don't think BOARD_KERNEL_BINARIES is ever set in practice.
+
+ return false
+}
diff --git a/fsgen/filesystem_creator.go b/fsgen/filesystem_creator.go
index c74579aba..4d15b4b88 100644
--- a/fsgen/filesystem_creator.go
+++ b/fsgen/filesystem_creator.go
@@ -47,6 +47,8 @@ type filesystemCreatorProps struct {
Vbmeta_module_names []string `blueprint:"mutated"`
Vbmeta_partition_names []string `blueprint:"mutated"`
+
+ Boot_image string `blueprint:"mutated" android:"path_device_first"`
}
type filesystemCreator struct {
@@ -71,6 +73,38 @@ func filesystemCreatorFactory() android.Module {
return module
}
+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")
+ }
+ if ctx.DeviceConfig().BuildingUserdataImage() && ctx.DeviceConfig().UserdataPath() == "data" {
+ generatedPartitions = append(generatedPartitions, "userdata")
+ }
+ if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingSystemDlkmImage {
+ generatedPartitions = append(generatedPartitions, "system_dlkm")
+ }
+ if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingVendorDlkmImage {
+ generatedPartitions = append(generatedPartitions, "vendor_dlkm")
+ }
+ if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingOdmDlkmImage {
+ generatedPartitions = append(generatedPartitions, "odm_dlkm")
+ }
+ if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingRamdiskImage {
+ generatedPartitions = append(generatedPartitions, "ramdisk")
+ }
+ return generatedPartitions
+}
+
func (f *filesystemCreator) createInternalModules(ctx android.LoadHookContext) {
soongGeneratedPartitions := generatedPartitions(ctx)
finalSoongGeneratedPartitions := make([]string, 0, len(soongGeneratedPartitions))
@@ -83,6 +117,14 @@ func (f *filesystemCreator) createInternalModules(ctx android.LoadHookContext) {
}
}
+ if buildingBootImage(ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse) {
+ if createBootImage(ctx) {
+ f.properties.Boot_image = ":" + generatedModuleNameForPartition(ctx.Config(), "boot")
+ } else {
+ f.properties.Unsupported_partition_types = append(f.properties.Unsupported_partition_types, "boot")
+ }
+ }
+
for _, x := range createVbmetaPartitions(ctx, finalSoongGeneratedPartitions) {
f.properties.Vbmeta_module_names = append(f.properties.Vbmeta_module_names, x.moduleName)
f.properties.Vbmeta_partition_names = append(f.properties.Vbmeta_partition_names, x.partitionName)
@@ -546,7 +588,7 @@ func generateFsProps(ctx android.EarlyModuleContext, partitionType string) (*fil
return fsProps, true
}
-func (f *filesystemCreator) createDiffTest(ctx android.ModuleContext, partitionType string) android.Path {
+func (f *filesystemCreator) createFileListDiffTest(ctx android.ModuleContext, partitionType string) android.Path {
partitionModuleName := generatedModuleNameForPartition(ctx.Config(), partitionType)
systemImage := ctx.GetDirectDepWithTag(partitionModuleName, generatedFilesystemDepTag)
filesystemInfo, ok := android.OtherModuleProvider(ctx, systemImage, filesystem.FilesystemProvider)
@@ -591,13 +633,17 @@ func createVbmetaDiff(ctx android.ModuleContext, vbmetaModuleName string, vbmeta
makeVbmetaFile := android.PathForArbitraryOutput(ctx, fmt.Sprintf("target/product/%s/%s.img", ctx.Config().DeviceName(), vbmetaPartitionName))
diffTestResultFile := android.PathForModuleOut(ctx, fmt.Sprintf("diff_test_%s.txt", vbmetaModuleName))
+ createDiffTest(ctx, diffTestResultFile, soongVbMetaFile, makeVbmetaFile)
+ return diffTestResultFile
+}
+
+func createDiffTest(ctx android.ModuleContext, diffTestResultFile android.WritablePath, file1 android.Path, file2 android.Path) {
builder := android.NewRuleBuilder(pctx, ctx)
builder.Command().Text("diff").
- Input(soongVbMetaFile).
- Input(makeVbmetaFile)
+ Input(file1).
+ Input(file2)
builder.Command().Text("touch").Output(diffTestResultFile)
- builder.Build(vbmetaModuleName+" diff test", vbmetaModuleName+" diff test")
- return diffTestResultFile
+ builder.Build("diff test "+diffTestResultFile.String(), "diff test")
}
type systemImageDepTagType struct {
@@ -634,7 +680,7 @@ func (f *filesystemCreator) GenerateAndroidBuildActions(ctx android.ModuleContex
var diffTestFiles []android.Path
for _, partitionType := range f.properties.Generated_partition_types {
- diffTestFile := f.createDiffTest(ctx, partitionType)
+ diffTestFile := f.createFileListDiffTest(ctx, partitionType)
diffTestFiles = append(diffTestFiles, diffTestFile)
ctx.Phony(fmt.Sprintf("soong_generated_%s_filesystem_test", partitionType), diffTestFile)
}
@@ -648,6 +694,14 @@ func (f *filesystemCreator) GenerateAndroidBuildActions(ctx android.ModuleContex
diffTestFiles = append(diffTestFiles, diffTestFile)
ctx.Phony(fmt.Sprintf("soong_generated_%s_filesystem_test", f.properties.Vbmeta_partition_names[i]), diffTestFile)
}
+ if f.properties.Boot_image != "" {
+ diffTestFile := android.PathForModuleOut(ctx, "boot_diff_test.txt")
+ soongBootImg := android.PathForModuleSrc(ctx, f.properties.Boot_image)
+ makeBootImage := android.PathForArbitraryOutput(ctx, fmt.Sprintf("target/product/%s/boot.img", ctx.Config().DeviceName()))
+ createDiffTest(ctx, diffTestFile, soongBootImg, makeBootImage)
+ diffTestFiles = append(diffTestFiles, diffTestFile)
+ ctx.Phony("soong_generated_boot_filesystem_test", diffTestFile)
+ }
ctx.Phony("soong_generated_filesystem_tests", diffTestFiles...)
}
diff --git a/fsgen/fsgen_mutators.go b/fsgen/fsgen_mutators.go
index 7b3026404..0d18660d5 100644
--- a/fsgen/fsgen_mutators.go
+++ b/fsgen/fsgen_mutators.go
@@ -84,36 +84,6 @@ func defaultDepCandidateProps(config android.Config) *depCandidateProps {
}
}
-func generatedPartitions(ctx android.LoadHookContext) []string {
- generatedPartitions := []string{"system", "ramdisk"}
- 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")
- }
- if ctx.DeviceConfig().BuildingUserdataImage() && ctx.DeviceConfig().UserdataPath() == "data" {
- generatedPartitions = append(generatedPartitions, "userdata")
- }
- if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingSystemDlkmImage {
- generatedPartitions = append(generatedPartitions, "system_dlkm")
- }
- if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingVendorDlkmImage {
- generatedPartitions = append(generatedPartitions, "vendor_dlkm")
- }
- if ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse.BuildingOdmDlkmImage {
- generatedPartitions = append(generatedPartitions, "odm_dlkm")
- }
-
- return generatedPartitions
-}
-
func createFsGenState(ctx android.LoadHookContext, generatedPrebuiltEtcModuleNames []string, avbpubkeyGenerated bool) *FsGenState {
return ctx.Config().Once(fsGenStateOnceKey, func() interface{} {
partitionVars := ctx.Config().ProductVariables().PartitionVarsForSoongMigrationOnlyDoNotUse
diff --git a/fsgen/vbmeta_partitions.go b/fsgen/vbmeta_partitions.go
index b7fff687d..11c57590c 100644
--- a/fsgen/vbmeta_partitions.go
+++ b/fsgen/vbmeta_partitions.go
@@ -19,6 +19,7 @@ import (
"android/soong/filesystem"
"slices"
"strconv"
+ "strings"
"github.com/google/blueprint/proptools"
)
@@ -153,8 +154,10 @@ func createVbmetaPartitions(ctx android.LoadHookContext, generatedPartitionTypes
// Already handled by a chained vbmeta partition
continue
}
- if partitionType == "ramdisk" {
+ if strings.Contains(partitionType, "ramdisk") || strings.Contains(partitionType, "boot") {
// ramdisk is never signed with avb information
+ // boot partitions just have the avb footer, and don't have a corresponding vbmeta
+ // partition.
continue
}
partitionModules = append(partitionModules, generatedModuleNameForPartition(ctx.Config(), partitionType))
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 17:45:25 +0000