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# Copyright (c) 2010 Nest Labs, Inc.
# All rights reserved.
# This document is the property of Nest Labs. It is considered
# confidential and proprietary information.
# This document may not be reproduced or transmitted in any form,
# in whole or in part, without the express written permission of
# Nest Labs.
# Description:
# This file is the make file for X-Loader, an initial program
# loader (IPL) for embedded boards based on Texas Instruments
# OMAP processors.
include pre.mak
PackageRoot := .
PackageName := x-loader
PackageSeparator :=
PackageVersion :=
PackageSourceDir := $(PackageRoot)/$(PackageName)$(PackageSeparator)$(PackageVersion)
PackageBuildMakefile = $(call GenerateBuildPaths,
CleanPaths += $(PackageLicenseFile)
all: $(PackageDefaultGoal)
# Generate the package license contents.
$(PackageSourceDir)/README: source
$(PackageLicenseFile): $(PackageSourceDir)/README
$(Echo) "Extracting \"$(call GenerateBuildRootEllipsedPath,$(@))\""
$(Verbose)$(SED) -n -e '10,25p' < $< > $@
# We are building this package from version-controller source, so
# there is nothing to do for this target goal.
# Prepare the sources.
.PHONY: source
source: | $(PackageSourceDir)
# Patch the sources, if necessary.
.PHONY: patch
patch: source
# X-Loader has no way of explicitly setting CC, LD, OBJCOPY, et al and
# instead relies on the value of CROSS_COMPILE. Consequently, we have
# to ensure that 'ToolBinDir' is in 'PATH' so that the kernel build
# infrastructure can find $(CROSS_COMPILE)gcc, $(CROSS_COMPILE)ld, et al.
configure build stage: PATH := $(PATH):$(ToolBinDir)
# Generate the package build makefile.
$(PackageBuildMakefile): | $(PackageSourceDir) $(BuildDirectory)
$(Verbose)unset MAKEFLAGS && \
$(MAKE) -C $(PackageSourceDir) O=$(CURDIR)/$(BuildDirectory) \
# Configure the source for building.
.PHONY: configure
configure: source $(PackageBuildMakefile)
# Build the source.
.PHONY: build
build: configure
$(Verbose)unset MAKEFLAGS && \
$(MAKE) -C $(PackageSourceDir) O=$(CURDIR)/$(BuildDirectory) \
# Stage the build to a temporary installation area.
# X-Loader does not support a notion of installing, so we have to
# cherry-pick the components we want from the build directory and
# copy/install them to the results directory.
.PHONY: stage
stage: copy
.PHONY: copy
$(call GenerateResultPaths,fw/x-loader,x-load.bin) copy: build | $(ResultDirectory)
$(Verbose)cp -f $(wildcard $(call GenerateBuildPaths,x-load*)) $(ResultDirectory)
$(Verbose)cp -f $(call GenerateBuildPaths, $(ResultDirectory)
$(Verbose)$(RM) $(RMFLAGS) -r $(BuildDirectory)
$(Verbose)$(RM) $(RMFLAGS) -r $(ResultDirectory)
include post.mak