#****************************************************************************** # # Makefile - Rules for building the libraries, examples and docs. # # Copyright (c) 2020, Ambiq Micro # 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. # # Third party software included in this distribution is subject to the # additional license terms as defined in the /docs/licenses directory. # # 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. # # This is part of revision 2.4.2 of the AmbiqSuite Development Package. # #****************************************************************************** TARGET := watchdog COMPILERNAME := gcc PROJECT := watchdog_gcc CONFIG := bin SHELL:=/bin/bash #### Setup #### TOOLCHAIN ?= arm-none-eabi PART = apollo3 CPU = cortex-m4 FPU = fpv4-sp-d16 # Default to FPU hardware calling convention. However, some customers and/or # applications may need the software calling convention. #FABI = softfp FABI = hard LINKER_FILE := ./watchdog.ld STARTUP_FILE := ./startup_$(COMPILERNAME).c #### Required Executables #### CC = $(TOOLCHAIN)-gcc GCC = $(TOOLCHAIN)-gcc CPP = $(TOOLCHAIN)-cpp LD = $(TOOLCHAIN)-ld CP = $(TOOLCHAIN)-objcopy OD = $(TOOLCHAIN)-objdump RD = $(TOOLCHAIN)-readelf AR = $(TOOLCHAIN)-ar SIZE = $(TOOLCHAIN)-size RM = $(shell which rm 2>/dev/null) EXECUTABLES = CC LD CP OD AR RD SIZE GCC K := $(foreach exec,$(EXECUTABLES),\ $(if $(shell which $($(exec)) 2>/dev/null),,\ $(info $(exec) not found on PATH ($($(exec))).)$(exec))) $(if $(strip $(value K)),$(info Required Program(s) $(strip $(value K)) not found)) ifneq ($(strip $(value K)),) all clean: $(info Tools $(TOOLCHAIN)-$(COMPILERNAME) not installed.) $(RM) -rf bin else DEFINES = -DPART_$(PART) DEFINES+= -DAM_PART_APOLLO3 DEFINES+= -DAM_PACKAGE_BGA DEFINES+= -Dgcc INCLUDES = -I../../../../../mcu/apollo3 INCLUDES+= -I../../../../../CMSIS/AmbiqMicro/Include INCLUDES+= -I../../../../../CMSIS/ARM/Include INCLUDES+= -I../../../bsp INCLUDES+= -I../../../../../utils INCLUDES+= -I../../../../../devices INCLUDES+= -I../../../../.. INCLUDES+= -I../src VPATH = ../../../../../devices VPATH+=:../src VPATH+=:../../../../../utils SRC = watchdog.c SRC += am_devices_led.c SRC += am_util_delay.c SRC += am_util_faultisr.c SRC += am_util_stdio.c SRC += startup_gcc.c CSRC = $(filter %.c,$(SRC)) ASRC = $(filter %.s,$(SRC)) OBJS = $(CSRC:%.c=$(CONFIG)/%.o) OBJS+= $(ASRC:%.s=$(CONFIG)/%.o) DEPS = $(CSRC:%.c=$(CONFIG)/%.d) DEPS+= $(ASRC:%.s=$(CONFIG)/%.d) LIBS = ../../../bsp/gcc/bin/libam_bsp.a LIBS += ../../../../../mcu/apollo3/hal/gcc/bin/libam_hal.a CFLAGS = -mthumb -mcpu=$(CPU) -mfpu=$(FPU) -mfloat-abi=$(FABI) CFLAGS+= -ffunction-sections -fdata-sections -fomit-frame-pointer CFLAGS+= -MMD -MP -std=c99 -Wall -g CFLAGS+= -O0 CFLAGS+= $(DEFINES) CFLAGS+= $(INCLUDES) CFLAGS+= LFLAGS = -mthumb -mcpu=$(CPU) -mfpu=$(FPU) -mfloat-abi=$(FABI) LFLAGS+= -nostartfiles -static LFLAGS+= -Wl,--gc-sections,--entry,Reset_Handler,-Map,$(CONFIG)/$(TARGET).map LFLAGS+= -Wl,--start-group -lm -lc -lgcc $(LIBS) -Wl,--end-group LFLAGS+= # Additional user specified CFLAGS CFLAGS+=$(EXTRA_CFLAGS) CPFLAGS = -Obinary ODFLAGS = -S #### Rules #### all: directories $(CONFIG)/$(TARGET).bin directories: $(CONFIG) $(CONFIG): @mkdir -p $@ $(CONFIG)/%.o: %.c $(CONFIG)/%.d @echo " Compiling $(COMPILERNAME) $<" ;\ $(CC) -c $(CFLAGS) $< -o $@ $(CONFIG)/%.o: %.s $(CONFIG)/%.d @echo " Assembling $(COMPILERNAME) $<" ;\ $(CC) -c $(CFLAGS) $< -o $@ $(CONFIG)/$(TARGET).axf: $(OBJS) $(LIBS) @echo " Linking $(COMPILERNAME) $@" ;\ $(CC) -Wl,-T,$(LINKER_FILE) -o $@ $(OBJS) $(LFLAGS) $(CONFIG)/$(TARGET).bin: $(CONFIG)/$(TARGET).axf @echo " Copying $(COMPILERNAME) $@..." ;\ $(CP) $(CPFLAGS) $< $@ ;\ $(OD) $(ODFLAGS) $< > $(CONFIG)/$(TARGET).lst clean: @echo "Cleaning..." ;\ $(RM) -f $(OBJS) $(DEPS) \ $(CONFIG)/$(TARGET).bin $(CONFIG)/$(TARGET).axf \ $(CONFIG)/$(TARGET).lst $(CONFIG)/$(TARGET).map $(CONFIG)/%.d: ; ../../../bsp/gcc/bin/libam_bsp.a: $(MAKE) -C ../../../bsp ../../../../../mcu/apollo3/hal/gcc/bin/libam_hal.a: $(MAKE) -C ../../../../../mcu/apollo3/hal # Automatically include any generated dependencies -include $(DEPS) endif .PHONY: all clean directories