commit f57333f7fcefb9f4b5f1a628ab57da86f30efa28
author Lucas Wei <lucaswei@google.com> Thu Feb 24 10:30:15 2022 +0800
committer Lucas Wei <lucaswei@google.com> Wed Mar 16 23:13:19 2022 +0800
tree b1d588ba96f8a384f8d62b4edeb54ba2bc15b7eb
parent 9fee6befad7020a96bf64cbff77e458648bf6bbe

Make build support vendor_kernel_boot image

Add vendor_kernel_boot image for vendors whose bootloader support
extra first stage booting kernel modules ramdisks. This benefit
kernel repo to build kernel-artifacts only image without Andorid
artifacts dependency.

Bug: 214409109
Signed-off-by: Lucas Wei <lucaswei@google.com>
Change-Id: If07218b86a7751b3d452a172610af960f5f9ec74

core/board_config.mk

diff --git a/core/board_config.mk b/core/board_config.mk
index 97b258d..5ca2a4c 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -161,11 +161,15 @@
 _board_strip_list += BOARD_AVB_VENDOR_BOOT_KEY_PATH
 _board_strip_list += BOARD_AVB_VENDOR_BOOT_ALGORITHM
 _board_strip_list += BOARD_AVB_VENDOR_BOOT_ROLLBACK_INDEX_LOCATION
+_board_strip_list += BOARD_AVB_VENDOR_KERNEL_BOOT_KEY_PATH
+_board_strip_list += BOARD_AVB_VENDOR_KERNEL_BOOT_ALGORITHM
+_board_strip_list += BOARD_AVB_VENDOR_KERNEL_BOOT_ROLLBACK_INDEX_LOCATION
 _board_strip_list += BOARD_GKI_SIGNING_SIGNATURE_ARGS
 _board_strip_list += BOARD_GKI_SIGNING_ALGORITHM
 _board_strip_list += BOARD_GKI_SIGNING_KEY_PATH
 _board_strip_list += BOARD_MKBOOTIMG_ARGS
 _board_strip_list += BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE
+_board_strip_list += BOARD_VENDOR_KERNEL_BOOTIMAGE_PARTITION_SIZE
 _board_strip_list += ODM_MANIFEST_SKUS
 
 
@@ -520,6 +524,25 @@
 endif
 .KATI_READONLY := BUILDING_VENDOR_BOOT_IMAGE
 
+# Are we building a vendor kernel boot image
+BUILDING_VENDOR_KERNEL_BOOT_IMAGE :=
+ifeq ($(PRODUCT_BUILD_VENDOR_KERNEL_BOOT_IMAGE),true)
+  ifneq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
+    $(error BUILDING_VENDOR_BOOT_IMAGE is required, but BUILDING_VENDOR_BOOT_IMAGE is not true)
+  endif
+  ifndef BOARD_VENDOR_KERNEL_BOOTIMAGE_PARTITION_SIZE
+    $(error BOARD_VENDOR_KERNEL_BOOTIMAGE_PARTITION_SIZE is required when PRODUCT_BUILD_VENDOR_KERNEL_BOOT_IMAGE is true)
+  endif
+  BUILDING_VENDOR_KERNEL_BOOT_IMAGE := true
+else ifeq ($(PRODUCT_BUILD_VENDOR_KERNEL),)
+  ifdef BOARD_VENDOR_KERNEL_BOOTIMAGE_PARTITION_SIZE
+    ifeq ($(BUILDING_VENDOR_BOOT_IMAGE),true)
+      BUILDING_VENDOR_KERNEL_BOOT_IMAGE := true
+    endif
+  endif
+endif # end of PRODUCT_BUILD_VENDOR_KERNEL_BOOT_IMAGE
+.KATI_READONLY := BUILDING_VENDOR_KERNEL_BOOT_IMAGE
+
 # Are we building a ramdisk image
 BUILDING_RAMDISK_IMAGE := true
 ifeq ($(PRODUCT_BUILD_RAMDISK_IMAGE),)