TechPanelGM/kernel_xiaomi_sm8250
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

AndroidKernel: Building dtb.img to support header version 2

Browse Source 
The dtb.img is made by concatenating all the compiled dtbs
after the kernel is compiled. This dtb.img is then added to be
a part of the boot.img.

Change-Id: I7667d1c3118962bbc709a362a2b9a2b6419dede4
Signed-off-by: Prakruthi Deepak Heragu <pheragu@codeaurora.org>
This commit is contained in:
Prakruthi Deepak Heragu
2019-06-19 11:50:09 -07:00
parent fc77ef6bb9
commit 99570abad6
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
AndroidKernel.mk
View File

@@ -6,6 +6,11 @@ ifeq ($(KERNEL_TARGET),)
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
endif
ifneq ($(TARGET_KERNEL_APPEND_DTB), true)
$(info Using DTB Image)
INSTALLED_DTBIMAGE_TARGET := $(PRODUCT_OUT)/dtb.img
endif
TARGET_KERNEL_MAKE_ENV := $(strip $(TARGET_KERNEL_MAKE_ENV))
ifeq ($(TARGET_KERNEL_MAKE_ENV),)
KERNEL_MAKE_ENV :=
@@ -184,6 +189,10 @@ $(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT)
echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) $(KERNEL_MAKE_ENV) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(real_cc) oldconfig; fi
# Creating a dtb.img once the kernel is compiled if TARGET_KERNEL_APPEND_DTB is set to be false
$(INSTALLED_DTBIMAGE_TARGET): $(TARGET_PREBUILT_INT_KERNEL)
cat $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/qcom/*.dtb > $@
.PHONY: kerneltags
kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) $(KERNEL_MAKE_ENV) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(real_cc) tags