############################################################################
# configs/sam3u-ek/kernel/Makefile
#
#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################

-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs

# This is the directory for the board-specific header files

BOARD_INCLUDE	= $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/include

# Get the paths to the libraries and the links script path in format that
# is appropriate for the host OS

ifeq ($(WINTOOL),y)
  # Windows-native toolchains
  USER_LIBPATHS	= ${shell for path in $(USERLIBS); do dir=`dirname $(TOPDIR)/$$path`;echo "-L\"`cygpath -w $$dir`\"";done}
  USER_LDSCRIPT	= -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/kernel/kernel.ld}"
else
  # Linux/Cygwin-native toolchain 
  USER_LIBPATHS	= $(addprefix -L$(TOPDIR)/,$(dir $(USERLIBS)))
  USER_LDSCRIPT	= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/kernel/kernel.ld
endif

USER_LDFLAGS	= $(USER_LDSCRIPT)
USER_LDLIBS		= $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
USER_LIBGCC		= "${shell $(CC) -print-libgcc-file-name}"

# Targets:

all: $(TOPDIR)/nuttx_user.elf $(TOPDIR)/User.map $(BOARD_INCLUDE)/user_map.h

.PHONY:	depend clean distclean

# Create the nuttx_user.elf file containing all of the user-mode code

nuttx_user.elf:
	@echo "LD:  nuttx_user.elf"
	echo "USER_LDLIBS: $(USER_LDLIBS)"
	echo "USER_LIBPATHS: $(USER_LIBPATHS)"
	@$(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) --start-group $(USER_LDLIBS) --end-group $(USER_LIBGCC) 

$(TOPDIR)/nuttx_user.elf: nuttx_user.elf
	@cp -a nuttx_user.elf $(TOPDIR)/nuttx_user.elf

$(TOPDIR)/User.map: nuttx_user.elf
	@$(NM) nuttx_user.elf >$(TOPDIR)/User.map
	@$(CROSSDEV)size $(TOPDIR)/User.map

$(BOARD_INCLUDE)/user_map.h: $(TOPDIR)/User.map
	@echo "/* configs/$(CONFIG_ARCH_BOARD)/include/user_map.h" > $(BOARD_INCLUDE)/user_map.h
	@echo " *" >> $(BOARD_INCLUDE)/user_map.h
	@echo " * This is an auto-generated file.. Do not edit this file!" >> $(BOARD_INCLUDE)/user_map.h
	@echo " */" >> $(BOARD_INCLUDE)/user_map.h
	@echo "" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#ifndef __ARCH_BOARD_USER_MAP_H" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#define __ARCH_BOARD_USER_MAP_H" >> $(BOARD_INCLUDE)/user_map.h
	@echo "" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#define CONFIG_USER_ENTRYPOINT    `grep user_start $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#define CONFIG_USER_DATASOURCE    `grep _eronly $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#define CONFIG_USER_DATADESTSTART `grep _sdata $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#define CONFIG_USER_DATADESTEND   `grep _edata $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
	@echo "" >> $(BOARD_INCLUDE)/user_map.h
	@echo "#endif /* __ARCH_BOARD_USER_MAP_H */" >> $(BOARD_INCLUDE)/user_map.h

.depend:

depend: .depend

clean:
	@rm -f nuttx_user.elf *~ .*.swp
	@rm -f $(TOPDIR)/nuttx_user.elf $(TOPDIR)/User.map

distclean: clean