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# vim: filetype=make
#
UNAME := $(shell uname)
ifeq (MINGW, $(findstring MINGW, $(UNAME)))
DQUOTE = '
# '
PROJECT_BASE ?= $(shell sh -c "pwd -W")
else
DQUOTE = "
# "
PROJECT_BASE ?= $(CURDIR)
endif
ifdef BOARD
KBUILD_DEFCONFIG_PATH=$(wildcard $(ZEPHYR_BASE)/boards/*/*/$(BOARD)_defconfig)
ifeq ($(KBUILD_DEFCONFIG_PATH),)
$(error Board $(BOARD) not found!)
endif
else
$(error BOARD is not defined!)
endif
# Choose a default output directory if one wasn't supplied. Note that
# PRISTINE_O depends on whether this is default or not. If building
# in-tree, we want to remove the whole outdir and not just the BOARD
# specified (thus "pristine"). Out of tree, we can obviously remove
# only what we were told to build.
ifndef O
PRISTINE_O = outdir
O = $(PROJECT_BASE)/outdir/$(BOARD)
else
PRISTINE_O = $(O)
endif
# Turn O into an absolute path; we call the main Kbuild with $(MAKE) -C
# which changes the working directory, relative paths don't work right.
# Need to create the directory first to make realpath happy
ifneq ($(MAKECMDGOALS),help)
$(shell mkdir -p $(O))
override O := $(realpath $(O))
endif
export ARCH QEMU_EXTRA_FLAGS PROJECT_BASE
override CONF_FILE := $(strip $(subst $(DQUOTE),,$(CONF_FILE)))
SOURCE_DIR ?= $(PROJECT_BASE)/src/
override SOURCE_DIR := $(realpath $(SOURCE_DIR))
override SOURCE_DIR := $(subst \,/,$(SOURCE_DIR))
override SOURCE_DIR_PARENT := $(patsubst %, %/.., $(SOURCE_DIR))
override SOURCE_DIR_PARENT := $(abspath $(SOURCE_DIR_PARENT))
override SOURCE_DIR_PARENT := $(subst \,/,$(SOURCE_DIR_PARENT))
export SOURCE_DIR SOURCE_DIR_PARENT
ifeq ("$(origin V)", "command line")
KBUILD_VERBOSE = $(V)
endif
ifndef KBUILD_VERBOSE
KBUILD_VERBOSE = 0
endif
ifeq ($(KBUILD_VERBOSE),1)
Q =
S =
else
Q = @
S = -s
endif
export CFLAGS
zephyrmake = +$(MAKE) -C $(ZEPHYR_BASE) O=$(1) \
PROJECT=$(PROJECT_BASE) SOURCE_DIR=$(DQUOTE)$(SOURCE_DIR)$(DQUOTE) $(2)
BOARDCONFIG = $(O)/.board_$(BOARD)
DOTCONFIG = $(O)/.config
all: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
debug: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
flash: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
run: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
ifeq ($(MAKECMDGOALS),debugserver)
ARCH = $(notdir $(subst /$(BOARD),,$(wildcard $(ZEPHYR_BASE)/boards/*/$(BOARD))))
BOARD_DIR = $(dir $(wildcard $(ZEPHYR_BASE)/boards/*/*/$(BOARD)_defconfig))
-include $(BOARD_DIR)/Makefile.board
-include $(ZEPHYR_BASE)/scripts/Makefile.toolchain.$(ZEPHYR_GCC_VARIANT)
BOARD_NAME = $(BOARD)
export BOARD_NAME
endif
ifneq ($(DEBUG_SCRIPT),)
debugserver: FORCE
$(Q)$(ZEPHYR_BASE)/scripts/support/zephyr_flash_debug.py debugserver $(ZEPHYR_BASE)/scripts/support/$(DEBUG_SCRIPT)
else
debugserver: FORCE
@echo Debugging not supported with this board.
@echo Please check the documentation for alternate instructions.
endif
initconfig: $(DOTCONFIG)
$(BOARDCONFIG):
@rm -f $(O)/.board_*
@touch $@
ram_report: initconfig
$(Q)$(call zephyrmake,$(O),$@)
rom_report: initconfig
$(Q)$(call zephyrmake,$(O),$@)
outputexports: initconfig
$(Q)$(call zephyrmake,$(O),$@)
dts: initconfig
$(Q)$(call zephyrmake,$(O),$@)
config-sanitycheck: dts
$(Q)$(call zephyrmake,$(O),$@)
menuconfig: initconfig
$(Q)$(call zephyrmake,$(O),$@)
help:
$(Q)$(MAKE) -s -C $(ZEPHYR_BASE) $@
# Catch all
%:
$(Q)$(call zephyrmake,$(O),$@)
$(DOTCONFIG): $(BOARDCONFIG) $(KBUILD_DEFCONFIG_PATH) $(CONF_FILE)
$(Q)$(CONFIG_SHELL) $(ZEPHYR_BASE)/scripts/kconfig/merge_config.sh \
-q -m -O $(O) $(KBUILD_DEFCONFIG_PATH) $(OVERLAY_CONFIG) $(CONF_FILE) \
$(wildcard $(O)/*.conf)
$(Q)$(MAKE) $(S) -C $(ZEPHYR_BASE) O=$(O) PROJECT=$(PROJECT_BASE) oldnoconfig
pristine:
$(Q)rm -rf $(PRISTINE_O)
PHONY += FORCE initconfig
FORCE:
.PHONY: $(PHONY)