surya: Build kernel from sources

BoardConfig.mk

@@ -92,28 +92,17 @@ BOARD_KERNEL_OFFSET := 0x00008000
 BOARD_KERNEL_SECOND_OFFSET := 0x00f00000
 BOARD_KERNEL_BASE := 0x00000000
 BOARD_KERNEL_PAGESIZE := 4096
-BOARD_PREBUILT_DTBOIMAGE := $(DEVICE_PATH)/prebuilt/dtbo.img
-TARGET_PREBUILT_DTB := $(DEVICE_PATH)/prebuilt/dtb
-TARGET_PREBUILT_KERNEL := $(DEVICE_PATH)/prebuilt/kernel
+BOARD_KERNEL_SEPARATED_DTBO := true
 BOARD_KERNEL_CMDLINE := console=ttyMSM0,115200n8 earlycon=msm_geni_serial,0x880000 androidboot.hardware=qcom androidboot.console=ttyMSM0 androidboot.memcg=1 lpm_levels.sleep_disabled=1 video=vfb:640x400,bpp=32,memsize=3072000 msm_rtb.filter=0x237 service_locator.enable=1 swiotlb=1 loop.max_part=7 androidboot.usbcontroller=a600000.dwc3
 BOARD_KERNEL_CMDLINE += androidboot.selinux=permissive
 BOARD_KERNEL_CMDLINE += androidboot.init_fatal_reboot_target=recovery
 TARGET_KERNEL_ARCH := arm64
-BOARD_KERNEL_IMAGE_NAME := Image
-BOARD_BOOTIMG_HEADER_VERSION := 2
-BOARD_MKBOOTIMG_ARGS := --ramdisk_offset $(BOARD_RAMDISK_OFFSET)
-BOARD_MKBOOTIMG_ARGS += --tags_offset $(BOARD_KERNEL_TAGS_OFFSET)
-BOARD_MKBOOTIMG_ARGS += --kernel_offset $(BOARD_KERNEL_OFFSET)
-BOARD_MKBOOTIMG_ARGS += --second_offset $(BOARD_KERNEL_SECOND_OFFSET)
-BOARD_MKBOOTIMG_ARGS += --base $(BOARD_KERNEL_BASE)
-BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOTIMG_HEADER_VERSION)
-BOARD_MKBOOTIMG_ARGS += --dtb $(TARGET_PREBUILT_DTB)
-BOARD_MKBOOTIMG_ARGS += --pagesize $(BOARD_KERNEL_PAGESIZE) --board ""
-ifeq ($(TARGET_PREBUILT_KERNEL),)
-  TARGET_KERNEL_CONFIG := surya_defconfig
-  TARGET_KERNEL_CLANG_COMPILE := true
-  TARGET_KERNEL_SOURCE := kernel/xiaomi/surya
-endif
+BOARD_KERNEL_IMAGE_NAME := Image.gz-dtb
+TARGET_KERNEL_ADDITIONAL_FLAGS := \
+    DTC_EXT=$(shell pwd)/prebuilts/misc/$(HOST_OS)-x86/dtc/dtc
+TARGET_KERNEL_CONFIG := surya_defconfig
+TARGET_KERNEL_CLANG_COMPILE := true
+TARGET_KERNEL_SOURCE := kernel/xiaomi/surya
 
 # Platform
 TARGET_BOARD_PLATFORM_GPU := qcom-adreno618