Generate boot images for host from prebuilts am: a56be7d781 (9dfd930c) · Commits · e / os / android_build_soong

java/bootclasspath_fragment.go

+16 −1

Original line number	Diff line number	Diff line
		@@ -702,7 +702,16 @@ func (b *BootclasspathFragmentModule) generateBootImageBuildActions(ctx android.

		// Build a profile for the image config and then use that to build the boot image.
		profile := bootImageProfileRule(ctx, imageConfig)
		return buildBootImage(ctx, imageConfig, profile)

		// Build boot image files for the host variants.
		buildBootImageVariantsForBuildOs(ctx, imageConfig, profile)

		// Build boot image files for the android variants.
		androidBootImageFilesByArch := buildBootImageVariantsForAndroidOs(ctx, imageConfig, profile)

		// Return the boot image files for the android variants for inclusion in an APEX and to be zipped
		// up for the dist.
		return androidBootImageFilesByArch
		}

		// Collect information for opening IDE project files in java/jdeps.go.
		@@ -973,6 +982,12 @@ func (module *prebuiltBootclasspathFragmentModule) produceBootImageFiles(ctx and
		}
		}

		// Build the boot image files for the host variants. These are built from the dex files provided
		// by the contents of this module as prebuilt versions of the host boot image files are not
		// available, i.e. there is no host specific prebuilt apex containing them. This has to be built
		// without a profile as the prebuilt modules do not provide a profile.
		buildBootImageVariantsForBuildOs(ctx, imageConfig, nil)

		return files
		}

java/dexpreopt_bootjars.go

+26 −4

Original line number	Diff line number	Diff line
		@@ -502,14 +502,36 @@ func copyBootJarsToPredefinedLocations(ctx android.ModuleContext, srcBootDexJars
		}
		}

		// buildBootImage takes a bootImageConfig, and creates rules to build it.
		// buildBootImageVariantsForAndroidOs generates rules to build the boot image variants for the
		// android.Android OsType and returns a map from the architectures to the paths of the generated
		// boot image files.
		//
		// The paths are returned because they are needed elsewhere in Soong, e.g. for populating an APEX.
		func buildBootImageVariantsForAndroidOs(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) bootImageFilesByArch {
		return buildBootImageForOsType(ctx, image, profile, android.Android)
		}

		// buildBootImageVariantsForBuildOs generates rules to build the boot image variants for the
		// android.BuildOs OsType, i.e. the type of OS on which the build is being running.
		//
		// The files need to be generated into their predefined location because they are used from there
		// both within Soong and outside, e.g. for ART based host side testing and also for use by some
		// cloud based tools. However, they are not needed by callers of this function and so the paths do
		// not need to be returned from this func, unlike the buildBootImageVariantsForAndroidOs func.
		func buildBootImageVariantsForBuildOs(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) {
		buildBootImageForOsType(ctx, image, profile, android.BuildOs)
		}

		// buildBootImageForOsType takes a bootImageConfig, a profile file and an android.OsType
		// boot image files are required for and it creates rules to build the boot image
		// files for all the required architectures for them.
		//
		// It returns a map from android.ArchType to the predefined paths of the boot image files.
		func buildBootImage(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) bootImageFilesByArch {
		func buildBootImageForOsType(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath, requiredOsType android.OsType) bootImageFilesByArch {
		filesByArch := bootImageFilesByArch{}
		for _, variant := range image.variants {
		if variant.target.Os == requiredOsType {
		buildBootImageVariant(ctx, variant, profile)
		if variant.target.Os == android.Android {
		filesByArch[variant.target.Arch.ArchType] = variant.imagesDeps.Paths()
		}
		}

java/platform_bootclasspath.go

+8 −3

Original line number	Diff line number	Diff line
		@@ -437,10 +437,15 @@ func (b *platformBootclasspathModule) generateBootImageBuildActions(ctx android.

		// Build a profile for the image config and then use that to build the boot image.
		profile := bootImageProfileRule(ctx, imageConfig)
		bootImageFilesByArch := buildBootImage(ctx, imageConfig, profile)

		// Zip the boot image files up.
		buildBootImageZipInPredefinedLocation(ctx, imageConfig, bootImageFilesByArch)
		// Build boot image files for the android variants.
		androidBootImageFilesByArch := buildBootImageVariantsForAndroidOs(ctx, imageConfig, profile)

		// Zip the android variant boot image files up.
		buildBootImageZipInPredefinedLocation(ctx, imageConfig, androidBootImageFilesByArch)

		// Build boot image files for the host variants. There are use directly by ART host side tests.
		buildBootImageVariantsForBuildOs(ctx, imageConfig, profile)

		dumpOatRules(ctx, imageConfig)
		}