add vendor_boot image support
The vendor_boot partition is generated by mkbootimg and contains all the
device-specific information that used to reside in the boot partition.
Bug: 137297791
Change-Id: I5b005097b73f59857c3a2f92d693b3e67ee8424e
diff --git a/core/board_config.mk b/core/board_config.mk
index a6aef87..242012f 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -336,6 +336,20 @@
endif
.KATI_READONLY := BUILDING_RECOVERY_IMAGE
+# Are we building a vendor boot image
+BUILDING_VENDOR_BOOT_IMAGE :=
+ifdef BOARD_BOOT_HEADER_VERSION
+ ifneq ($(call math_gt_or_eq,$(BOARD_BOOT_HEADER_VERSION),3),)
+ BUILDING_VENDOR_BOOT_IMAGE := true
+ ifdef BUILDING_RECOVERY_IMAGE
+ ifneq ($(BOARD_USES_RECOVERY_AS_BOOT),true)
+ $(error Boot header version >=3 requires recovery as boot)
+ endif
+ endif
+ endif
+endif
+.KATI_READONLY := BUILDING_VENDOR_BOOT_IMAGE
+
# Are we building a ramdisk image
BUILDING_RAMDISK_IMAGE := true
ifeq ($(PRODUCT_BUILD_RAMDISK_IMAGE),)