############################################################################
# boards/arm/stm32/clicker2-stm32/kernel/Makefile
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

include $(TOPDIR)/Make.defs

# The entry point name (if none is provided in the .config file)

CONFIG_INIT_ENTRYPOINT ?= user_start
ENTRYPT = $(patsubst "%",%,$(CONFIG_INIT_ENTRYPOINT))

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

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  # Windows-native toolchains
  USER_LIBPATHS = ${shell for path in $(USERLIBS); do dir=`dirname $(TOPDIR)$(DELIM)$$path`;echo "-L\"`cygpath -w $$dir`\"";done}
  USER_LDSCRIPT = -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)memory.ld}"
  USER_LDSCRIPT += -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)user-space.ld}"
  USER_HEXFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.hex}"
  USER_SRECFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.srec}"
  USER_BINFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.bin}"
else
  # Linux/Cygwin-native toolchain
  USER_LIBPATHS = $(addprefix -L$(TOPDIR)$(DELIM),$(dir $(USERLIBS)))
  USER_LDSCRIPT = -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)memory.ld
  USER_LDSCRIPT += -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)user-space.ld
  USER_HEXFILE += "$(TOPDIR)$(DELIM)nuttx_user.hex"
  USER_SRECFILE += "$(TOPDIR)$(DELIM)nuttx_user.srec"
  USER_BINFILE += "$(TOPDIR)$(DELIM)nuttx_user.bin"
endif

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

# Source files

CSRCS = stm32_userspace.c
COBJS = $(CSRCS:.c=$(OBJEXT))
OBJS  = $(COBJS)

# Targets:

all: $(TOPDIR)$(DELIM)nuttx_user.elf $(TOPDIR)$(DELIM)User.map
.PHONY: nuttx_user.elf depend clean distclean

$(COBJS): %$(OBJEXT): %.c
	$(call COMPILE, $<, $@)

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

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

$(TOPDIR)$(DELIM)nuttx_user.elf: nuttx_user.elf
	@echo "LD: nuttx_user.elf"
	$(Q) cp -a nuttx_user.elf $(TOPDIR)$(DELIM)nuttx_user.elf
ifeq ($(CONFIG_INTELHEX_BINARY),y)
	@echo "CP: nuttx_user.hex"
	$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O ihex nuttx_user.elf $(USER_HEXFILE)
endif
ifeq ($(CONFIG_MOTOROLA_SREC),y)
	@echo "CP: nuttx_user.srec"
	$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O srec nuttx_user.elf $(USER_SRECFILE)
endif
ifeq ($(CONFIG_RAW_BINARY),y)
	@echo "CP: nuttx_user.bin"
	$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary nuttx_user.elf $(USER_BINFILE)
endif

$(TOPDIR)$(DELIM)User.map: nuttx_user.elf
	@echo "MK: User.map"
	$(Q) $(NM) nuttx_user.elf >$(TOPDIR)$(DELIM)User.map
	$(Q) $(CROSSDEV)size nuttx_user.elf

.depend:

depend: .depend

clean:
	$(call DELFILE, nuttx_user.elf)
	$(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
	$(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
	$(call CLEAN)

distclean: clean