projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / blame
| Commit | Line | Data |
|---|---|---|
| d2d91247 YK |
1 | #Android makefile to build kernel as a part of Android Build |
| 2 | ||
| 3 | ifeq ($(KERNEL_DEFCONFIG),) | |
| 4 | $(error KERNEL_DEFCONFIG must be set as environment variable) | |
| 5 | endif | |
| 6 | ||
| 7 | ifeq ($(INSTALLED_KERNEL_TARGET),) | |
| 8 | INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel | |
| 5e65f8b9 YK |
9 | INSTALLED_DTBOIMAGE_TARGET := $(PRODUCT_OUT)/dtbo.img |
| 10 | BOARD_PREBUILT_DTBOIMAGE := $(PRODUCT_OUT)/dtbo.img | |
| d2d91247 YK |
11 | INSTALLED_DTB_TARGET := $(PRODUCT_OUT)/dtb.img |
| 12 | endif | |
| 13 | ||
| 14 | TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH)) | |
| 15 | ifeq ($(TARGET_KERNEL_ARCH),) | |
| 16 | KERNEL_ARCH := arm64 | |
| 17 | else | |
| 18 | KERNEL_ARCH := $(TARGET_KERNEL_ARCH) | |
| 19 | endif | |
| 20 | ||
| 21 | ifeq ($(CROSS_COMPILE),) | |
| 22 | KERNEL_CROSS_COMPILE := aarch64-linux-android- | |
| 23 | else | |
| 24 | KERNEL_CROSS_COMPILE := $(CROSS_COMPILE) | |
| 25 | endif | |
| 26 | ||
| 27 | ifeq ($(CLANG_TRIPLE),) | |
| 28 | CLANG_TRIPLE := aarch64-linux-gnu- | |
| 29 | else | |
| 30 | CLANG_TRIPLE := $(CLANG_TRIPLE) | |
| 31 | endif | |
| 32 | ||
| 33 | ifeq ($(TARGET_PREBUILT_KERNEL),) | |
| 34 | ||
| 35 | TARGET_KERNEL_SOURCE := kernel/$(TARGET_KERNEL) | |
| 36 | KERNEL_CONFIG := $(TARGET_KERNEL_SOURCE)/.config | |
| 37 | KERNEL_BOOT := $(TARGET_KERNEL_SOURCE)/arch/$(KERNEL_ARCH)/boot | |
| 38 | KERNEL_BIN := $(KERNEL_BOOT)/Image | |
| 39 | KERNEL_DTB_DIR := $(KERNEL_BOOT)/dts/exynos | |
| f573bcc7 | 40 | KERNEL_DTB := $(KERNEL_DTB_DIR)/exynos9610.dtb |
| d2d91247 | 41 | KERNEL_DTBO_CFG := $(KERNEL_DTB_DIR)/exynos9610_dtboimg.cfg |
| d2d91247 YK |
42 | MKDTIMG := $(HOST_OUT_EXECUTABLES)/mkdtimg |
| 43 | ||
| 44 | ifeq ($(KERNEL_DEFCONFIG),) | |
| 45 | $(error Kernel configuration not defined, cannot build kernel) | |
| 46 | else | |
| 47 | ||
| 48 | ifeq ($(N_KERNEL_BUILD_THREAD),) | |
| 49 | N_KERNEL_BUILD_THREAD := 1 | |
| 50 | endif | |
| 51 | ||
| 52 | TARGET_PREBUILT_KERNEL := $(KERNEL_BIN) | |
| 53 | ||
| 54 | .PHONY: remove-bins | |
| 55 | remove-bin: | |
| 56 | $(hide) echo "Clean Up prebuilts" | |
| 57 | rm -f $(KERNEL_CONFIG) | |
| 58 | rm -f $(KERNEL_BIN) | |
| 59 | rm -f $(KERNEL_DTB) | |
| 60 | rm -f $(INSTALLED_KERNEL_TARGET) | |
| 5e65f8b9 | 61 | rm -f $(INSTALLED_DTBOIMAGE_TARGET) |
| d2d91247 YK |
62 | rm -f $(INSTALLED_DTB_TARGET) |
| 63 | ||
| 64 | .PHONY: kernel | |
| 65 | kernel: $(KERNEL_BIN) | |
| 66 | ||
| 67 | .PHONY: kernel-distclean | |
| 68 | kernel-distclean: | |
| 69 | $(MAKE) -C $(TARGET_KERNEL_SOURCE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) distclean | |
| 70 | ||
| 71 | $(KERNEL_CONFIG): remove-bins | |
| 72 | $(hide) echo "make $(KERNEL_DEFCONFIG)" | |
| 73 | $(MAKE) -C $(TARGET_KERNEL_SOURCE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG) | |
| 74 | ||
| 75 | $(KERNEL_BIN): $(KERNEL_CONFIG) | |
| 76 | $(hide) echo "Building kernel..." | |
| 77 | $(MAKE) -C $(TARGET_KERNEL_SOURCE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) CLANG_TRIPLE=$(CLANG_TRIPLE) CC=clang -j$(N_KERNEL_BUILD_THREAD) | |
| 78 | ||
| f573bcc7 | 79 | # mkdtimg cfg_create exynos9610_dtbo.img arch/arm64/boot/dts/exynos/exynos9610_dtboimg.cfg |
| d2d91247 YK |
80 | $(INSTALLED_KERNEL_TARGET): $(KERNEL_BIN) $(MKDTIMG) |
| 81 | cp $(KERNEL_BIN) $(INSTALLED_KERNEL_TARGET) | |
| 82 | cp $(KERNEL_DTB) $(INSTALLED_DTB_TARGET) | |
| 5e65f8b9 | 83 | $(hide) echo "Building DTBOIMAGE..." |
| d2d91247 | 84 | ln -sf $(TARGET_KERNEL_SOURCE)/arch |
| 5e65f8b9 | 85 | $(MKDTIMG) cfg_create $(INSTALLED_DTBOIMAGE_TARGET) $(KERNEL_DTBO_CFG) |
| d2d91247 | 86 | rm -f arch |
| d2d91247 YK |
87 | |
| 88 | endif #TARGET_PREBUILT_KERNEL | |
| 89 | endif #KERNEL_DEFCONFIG |