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Commit 81aea9a0 authored by Jiyong Park's avatar Jiyong Park
Browse files

bootimg supports v4 header 

It's the latest version of android boot image header which supports
bootconfig. Bootconfig parameters are now passed via `bootconfig`
property.

Bug: 181936566
Test: m microdroid_boot

Change-Id: Iff8697434f7502fe56fca5bce5573e53f2f6ac60
parent 6d3e7268

filesystem/bootimg.go

+17 −0
Original line number Diff line number Diff line
@@ -62,6 +62,10 @@ type bootimgProperties struct { 
	// Optional kernel commandline

	Cmdline *string



	// File that contains bootconfig parameters. This can be set only when `vendor_boot` is true

	// and `header_version` is greater than or equal to 4.

	Bootconfig *string `android:"arch_variant,path"`



	// When set to true, sign the image with avbtool. Default is false.

	Use_avb *bool
@@ -189,6 +193,19 @@ func (b *bootimg) buildBootImage(ctx android.ModuleContext, vendor bool) android 
		return output

	}



	bootconfig := proptools.String(b.properties.Bootconfig)

	if bootconfig != "" {

		if !vendor {

			ctx.PropertyErrorf("bootconfig", "requires vendor_boot: true")

			return output

		}

		if verNum < 4 {

			ctx.PropertyErrorf("bootconfig", "requires header_version: 4 or later")

			return output

		}

		cmd.FlagWithInput("--vendor_bootconfig ", android.PathForModuleSrc(ctx, bootconfig))

	}



	flag := "--output "

	if vendor {

		flag = "--vendor_boot "