From c1b8fb44cd9e19bba50d48b991d8ec878cced8e0 Mon Sep 17 00:00:00 2001
From: Max Weffers <rcstar6696@gmail.com>
Date: Thu, 18 Oct 2018 15:27:13 +0200
Subject: [PATCH] clover: kernel: Add custom bootimg.mk for prebuilt kernel

---
 BoardConfig.mk |  4 ++++
 mkbootimg.mk   | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 mkbootimg.mk

diff --git a/BoardConfig.mk b/BoardConfig.mk
index 42693f3..4d0c327 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -25,6 +25,10 @@ BOARD_VENDOR_PLATFORM := xiaomi-sdm660
 TARGET_SYSTEM_PROP += $(DEVICE_PATH)/system.prop
 TARGET_VENDOR_PROP += $(DEVICE_PATH)/vendor.prop
 
+# Custom Bootimg for prebuilt kernel
+BOARD_CUSTOM_BOOTIMG := true
+BOARD_CUSTOM_BOOTIMG_MK := $(DEVICE_PATH)/mkbootimg.mk
+
 # Kernel
 TARGET_KERNEL_SOURCE := kernel/xiaomi/clover
 TARGET_KERNEL_CONFIG := clover-perf_defconfig
diff --git a/mkbootimg.mk b/mkbootimg.mk
new file mode 100644
index 0000000..d0fbf5c
--- /dev/null
+++ b/mkbootimg.mk
@@ -0,0 +1,20 @@
+#
+# Copyright (C) 2018 The LineageOS Project
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+NEW_BOOTIMAGE_ARGS := $(subst --kernel $(INSTALLED_KERNEL_TARGET),--kernel $(TARGET_PREBUILT_KERNEL),$(INTERNAL_BOOTIMAGE_ARGS))
+NEW_RECOVERYIMAGE_ARGS := $(subst --kernel $(recovery_kernel),--kernel $(TARGET_PREBUILT_KERNEL),$(INTERNAL_RECOVERYIMAGE_ARGS))
+
+$(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES)
+	$(call pretty,"Target boot image: $@")
+	$(hide) $(MKBOOTIMG) $(NEW_BOOTIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
+	$(hide) $(call assert-max-image-size,$@,$(BOARD_BOOTIMAGE_PARTITION_SIZE),raw)
+	@echo "Made boot image: $@"
+
+$(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTIMG) $(recovery_ramdisk) $(recovery_kernel)
+	@echo "----- Making recovery image ------"
+	$(hide) $(MKBOOTIMG) $(NEW_RECOVERYIMAGE_ARGS) $(INTERNAL_MKBOOTIMG_VERSION_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@ --id > $(RECOVERYIMAGE_ID_FILE)
+	$(hide) $(call assert-max-image-size,$@,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE),raw)
+	@echo "Made recovery image: $@"