platform_vendor_tequila/build/tasks/dt_image.mk
Dan Pasanen ac1268953a build: dt_image: use prebuilt lz4 binary for compressing
* Also remove the lz4c fallback. We're providing an lz4
  binary that works, so it shouldn't ever have to fall back
  to lz4c.

Change-Id: I5b1346c55dc97daec13e087c501840628a7265e8
2019-10-26 22:42:20 +02:00

65 lines
1.9 KiB
Makefile

#----------------------------------------------------------------------
# Generate device tree image (dt.img)
#----------------------------------------------------------------------
ifeq ($(strip $(BOARD_CUSTOM_BOOTIMG_MK)),)
ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
INSTALLED_DTIMAGE_TARGET := $(PRODUCT_OUT)/dt.img
ifeq ($(strip $(BOARD_KERNEL_PREBUILT_DT)),)
ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
DTBTOOL_NAME := dtbToolLineage
else
DTBTOOL_NAME := $(TARGET_CUSTOM_DTBTOOL)
endif
DTBTOOL := $(HOST_OUT_EXECUTABLES)/$(DTBTOOL_NAME)$(HOST_EXECUTABLE_SUFFIX)
ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
# dtbToolLineage will search subdirectories
possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
else
# Most specific paths must come first in possible_dtb_dirs
possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts/ $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
endif
define build-dtimage-target
$(call pretty,"Target dt image: $@")
$(hide) for dir in $(possible_dtb_dirs); do \
if [ -d "$$dir" ]; then \
dtb_dir="$$dir"; \
break; \
fi; \
done; \
$(DTBTOOL) $(BOARD_DTBTOOL_ARGS) -o $@ -s $(BOARD_KERNEL_PAGESIZE) -p $(KERNEL_OUT)/scripts/dtc/ "$$dtb_dir";
$(hide) chmod a+r $@
endef
ifeq ($(strip $(BOARD_KERNEL_LZ4C_DT)),true)
LZ4_DT_IMAGE := $(PRODUCT_OUT)/dt-lz4.img
endif
$(INSTALLED_DTIMAGE_TARGET): $(DTBTOOL) $(INSTALLED_KERNEL_TARGET)
$(build-dtimage-target)
ifeq ($(strip $(BOARD_KERNEL_LZ4C_DT)),true)
prebuilts/tools-lineage/${HOST_OS}-x86/bin/lz4 -9 < $@ > $(LZ4_DT_IMAGE)
$(hide) $(ACP) $(LZ4_DT_IMAGE) $@
endif
@echo "Made DT image: $@"
else
$(INSTALLED_DTIMAGE_TARGET) : $(BOARD_KERNEL_PREBUILT_DT) | $(ACP)
$(transform-prebuilt-to-target)
endif # BOARD_KERNEL_PREBUILT_DT
ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_DTIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_DTIMAGE_TARGET)
.PHONY: dtimage
dtimage: $(INSTALLED_DTIMAGE_TARGET)
endif
endif