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[/] [neo430/] [trunk/] [neo430/] [sw/] [example/] [pwm_demo/] [makefile] - Rev 198

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#################################################################################################
# < NEO430 Application Compile Script - Linux / Windows Powershell / Windows Linux Subsystem >  #
# ********************************************************************************************* #
# BSD 3-Clause License                                                                          #
#                                                                                               #
# Copyright (c) 2020, Stephan Nolting. All rights reserved.                                     #
#                                                                                               #
# 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 of the copyright holder 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 HOLDER 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.                                                            #
# ********************************************************************************************* #
# The NEO430 Processor - https://github.com/stnolting/neo430                                    #
#################################################################################################


#*******************************************************************************
# USER CONFIGURATION
#*******************************************************************************
# Compiler effort (-Os = optimize for size)
EFFORT = -Os

# User's application sources (add additional files here)
APP_SRC = main.c 

# User's application include folders (don't forget the '-I' before each entry)
APP_INC = -I .

# Relative or absolute path to the NEO430 home folder (use default if not set by user)
NEO430_HOME ?= ../../..

# Additional user flags:
CC_USER_FLAGS += 
#*******************************************************************************



#-------------------------------------------------------------------------------
# NEO430 framework
#-------------------------------------------------------------------------------
# Path to NEO430 linker script and startup file
NEO430_COM_PATH=$(NEO430_HOME)/sw/common
# Path to main NEO430 library include files
NEO430_INC_PATH=$(NEO430_HOME)/sw/lib/neo430/include
# Path to main NEO430 library source files
NEO430_SRC_PATH=$(NEO430_HOME)/sw/lib/neo430/source
# Path to NEO430 executable generator
NEO430_EXE_PATH=$(NEO430_HOME)/sw/tools/image_gen
# Path to NEO430 core rtl folder
NEO430_RTL_PATH=$(NEO430_HOME)/rtl/core
# Marker file to verify NEO430 home folder
NEO430_HOME_MARKER=$(NEO430_INC_PATH)/neo430.h


#-------------------------------------------------------------------------------
# Add NEO430 sources to input SRCs
#-------------------------------------------------------------------------------
APP_SRC += $(wildcard $(NEO430_SRC_PATH)/*.c)


#-------------------------------------------------------------------------------
# Make defaults
#-------------------------------------------------------------------------------
.SUFFIXES:
.PHONY: all
.DEFAULT_GOAL := help


#-------------------------------------------------------------------------------
# Application output definitions
#-------------------------------------------------------------------------------
APP_BIN = main.bin
APP_ASM = main.s

compile: $(APP_ASM) $(APP_BIN)
install: $(APP_ASM) neo430_application_image.vhd
all:     $(APP_ASM) $(APP_BIN) neo430_application_image.vhd

# define all object files
OBJ = $(APP_SRC:.c=.o)


#-------------------------------------------------------------------------------
# Tools
#-------------------------------------------------------------------------------
#C ompiler tools
AS        = msp430-elf-as
CC        = msp430-elf-gcc
LD        = msp430-elf-ld
STRIP     = msp430-elf-strip
OBJDUMP   = msp430-elf-objdump
OBJCOPY   = msp430-elf-objcopy
SIZE      = msp430-elf-size
IMAGE_GEN = $(NEO430_EXE_PATH)/image_gen

# Assembler flags
AS_OPTS = -mY -mcpu=msp430

# Compiler flags
CC_OPTS = -mcpu=msp430 -pipe -Wall -Xassembler --mY -fno-delete-null-pointer-checks
CC_OPTS += -Wl,-static -mrelax -minrt -nostartfiles -fdata-sections -ffunction-sections -Xlinker --gc-sections
# Use NEO430 multiplier? (still experimental!)
ifeq (,$(findstring NEO430_HWMUL_ABI_OVERRIDE,$(CC_USER_FLAGS)))
        CC_OPTS += -mhwmult=none
else
        CC_OPTS += -mhwmult=16bit
endif
# Add user flags if available
CC_OPTS += ${CC_USER_FLAGS}

# Linker flags
LD_OPTS = -mcpu=msp430 -mrelax -minrt -nostartfiles


#-------------------------------------------------------------------------------
# Host native compiler
#-------------------------------------------------------------------------------
CC_X86 = gcc -Wall -O -g


#-------------------------------------------------------------------------------
# Tool targets
#-------------------------------------------------------------------------------
# install/compile tools
$(IMAGE_GEN): $(NEO430_EXE_PATH)/main.cpp
        @echo Compiling $(IMAGE_GEN)
        @$(CC_X86) $< -o $(IMAGE_GEN)

  
#-------------------------------------------------------------------------------
# Application Targets
#-------------------------------------------------------------------------------
# Assemble startup code
crt0.elf: $(NEO430_COM_PATH)/crt0.asm
        @$(AS) $(AS_OPTS) $< -o $@

# Compile app sources
$(OBJ): %.o : %.c crt0.elf
        @$(CC) -c $(CC_OPTS) $(EFFORT) -I $(NEO430_INC_PATH) $(APP_INC) $< -o $@

# Link object files
main.elf: $(OBJ)
        @$(CC) $(LD_OPTS) $(EFFORT) -I $(NEO430_INC_PATH) $(APP_INC) -T $(NEO430_COM_PATH)/neo430_linker_script.x $(OBJ) -o $@ -lm
# Using HWMUL ABI overrite?
ifneq (,$(findstring NEO430_HWMUL_ABI_OVERRIDE,$(CC_OPTS)))
        @echo "> Using implicit invocation of neo430 MULDIV multiplier unit (NEO430_HWMUL_ABI_OVERRIDE)"
endif
# Using HWMUL ABI overrite?
ifneq (,$(findstring NEO430_HWMUL_DSP,$(CC_OPTS)))
        @echo "> Assuming single cycle processing delay for neo430 MULDIV multiplier unit (NEO430_HWMUL_DSP)"
endif
# Show memory utilization
        @echo Memory utilization:
        @$(SIZE) main.elf

# Generate final executable (from .image section only)
image.dat: main.elf
        @$(OBJCOPY) -I elf32-little $< -j .text   -O binary text.dat
        @$(OBJCOPY) -I elf32-little $< -j .rodata -O binary rodata.dat
        @$(OBJCOPY) -I elf32-little $< -j .data   -O binary data.dat
        @cat text.dat rodata.dat data.dat > $@
        @rm -f text.dat rodata.dat data.dat

# Assembly listing file (for debugging) and check for DADD instruction
$(APP_ASM): main.elf
        @$(OBJDUMP) -D -S -z  $< > $@
        @if grep -qR "dadd" $@; then echo "NEO430: WARNING! 'DADD' instruction might be used!"; fi

# Generate NEO430 executable image for bootloader update
$(APP_BIN): image.dat $(IMAGE_GEN)
        @set -e
        @$(IMAGE_GEN) -app_bin $< $@

# Generate NEO430 executable VHDL boot image
neo430_application_image.vhd: image.dat $(IMAGE_GEN)
        @$(IMAGE_GEN) -app_img $< $@
        @echo Installing application image to $(NEO430_RTL_PATH)/neo430_application_image.vhd
        @cp neo430_application_image.vhd $(NEO430_RTL_PATH)/.
        @rm -f neo430_application_image.vhd


#-------------------------------------------------------------------------------
# Check toolchain
#-------------------------------------------------------------------------------
check: $(IMAGE_GEN)
        @echo "--------------- Check: NEO430_HOME folder ---------------"
ifneq ($(shell [ -e $(NEO430_HOME_MARKER) ] && echo 1 || echo 0 ), 1)
$(error NEO430_HOME folder not found!)
endif
        @echo "NEO430_HOME: $(NEO430_HOME)"
        @echo "--------------- Check: $(AS) ---------------"
        @$(AS) -version
        @echo "--------------- Check: $(CC) ---------------"
        @$(CC) -v
        @echo "--------------- Check: $(LD) ---------------"
        @$(LD) -V
        @echo "--------------- Check: $(STRIP) ---------------"
        @$(STRIP) -V
        @echo "--------------- Check: $(OBJDUMP) ---------------"
        @$(OBJDUMP) -V
        @echo "--------------- Check: $(OBJCOPY) ---------------"
        @$(OBJCOPY) -V
        @echo "--------------- Check: $(SIZE) ---------------"
        @$(SIZE) -V
        @echo "--------------- Check: neo430 image_gen ---------------"
        @$(IMAGE_GEN) -help
        @echo "--------------- Check: native gcc ---------------"
        @$(CC_X86) -v
        @echo
        @echo "Toolchain check OK"


#-------------------------------------------------------------------------------
# Show configuration
#-------------------------------------------------------------------------------
info:
        @echo "--------------- Info: Project ---------------"
        @echo "Project: $(shell basename $(CURDIR))"
        @echo "NEO430 home folder (NEO430_HOME): $(NEO430_HOME)"
        @echo "Project source files: $(APP_SRC)"
        @echo "Project include folders: $(NEO430_INC_PATH) $(APP_INC)"
        @echo "Project object files: $(OBJ)"
        @echo "--------------- Info: Tools ---------------"
        @echo " AS:        $(AS)"
        @echo " CC:        $(CC)"
        @echo " LD:        $(LD)"
        @echo " STRIP:     $(STRIP)"
        @echo " OBJDUMP:   $(OBJDUMP)"
        @echo " OBJCOPY:   $(OBJCOPY)"
        @echo " SIZE:      $(SIZE)"
        @echo " IMAGE_GEN: $(IMAGE_GEN)"
        @echo " CC_X86:    $(CC_X86)"
        @echo "--------------- Info: Flags ---------------"
        @echo " EFFORT:        $(EFFORT)"
        @echo " AS_OPTS:       $(AS_OPTS)"
        @echo " CC_OPTS:       $(CC_OPTS)"
        @echo " LD_OPTS:       $(LD_OPTS)"
        @echo " CC_USER_FLAGS: $(CC_USER_FLAGS)"


#-------------------------------------------------------------------------------
# Help
#-------------------------------------------------------------------------------
help:
        @echo "NEO430 Application Compilation Script"
        @echo "Make sure to add the msp430-gcc bin folder to your system's PATH variable."
        @echo "Targets:"
        @echo " help      - show this text"
        @echo " check     - check toolchain"
        @echo " info      - show makefile configuration"
        @echo " compile   - compile and generate *.bin executable for upload via bootloader"
        @echo " install   - compile, generate and install VHDL boot image"
        @echo " all       - compile and generate *.bin executable for upload via bootloader and generate and install VHDL boot image"
        @echo " clean     - clean up project"
        @echo " clean_all - clean up project, core libraries and helper tools"
        @echo "CC_USER_FLAGS (usage example: CC_USER_FLAGS+=-DNEO430_HWMUL_ABI_OVERRIDE)"
        @echo " NEO430_HWMUL_ABI_OVERRIDE - implicit usage of MULDIV.mul unit (make sure it is synthesized)"
        @echo " NEO430_HWMUL_DSP          - use embedded multiplier for MULDIV.mul unit (make also sure this option is synthesized)"


#-------------------------------------------------------------------------------
# Clean up
#-------------------------------------------------------------------------------
clean:
        @rm -f *.elf *.o *.dat *.vhd *.bin *.out *.s

clean_all: clean
        @rm -f $(OBJ) $(IMAGE_GEN)

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