Initial Commit

1 files changed, 307 insertions, 0 deletions

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+#=============================================================================#

+# ARM makefile

+#

+# author: Freddie Chopin, http://www.freddiechopin.info/

+# last change: 2012-01-08

+#

+# this makefile is based strongly on many examples found in the network

+#=============================================================================#

+

+#=============================================================================#

+# toolchain configuration

+#=============================================================================#

+

+TOOLCHAIN = arm-none-eabi-

+

+CXX = $(TOOLCHAIN)g++

+CC = $(TOOLCHAIN)gcc

+AS = $(TOOLCHAIN)gcc -x assembler-with-cpp

+OBJCOPY = $(TOOLCHAIN)objcopy

+OBJDUMP = $(TOOLCHAIN)objdump

+SIZE = $(TOOLCHAIN)size

+RM = cs-rm -f

+

+#=============================================================================#

+# project configuration

+#=============================================================================#

+

+# project name

+PROJECT = lpc1114_blink_led

+

+# core type

+CORE = cortex-m0

+

+# linker script

+LD_SCRIPT = LPC11x14_30x_rom.ld

+

+# output folder (absolute or relative path, leave empty for in-tree compilation)

+OUT_DIR = out

+

+# C++ definitions (e.g. "-Dsymbol_with_value=0xDEAD -Dsymbol_without_value")

+CXX_DEFS =

+

+# C definitions

+C_DEFS =

+

+# ASM definitions

+AS_DEFS =

+

+# include directories (absolute or relative paths to additional folders with

+# headers, current folder is always included)

+INC_DIRS =

+

+# library directories (absolute or relative paths to additional folders with

+# libraries)

+LIB_DIRS =

+

+# libraries (additional libraries for linking, e.g. "-lm -lsome_name" to link

+# math library libm.a and libsome_name.a)

+LIBS =

+

+# additional directories with source files (absolute or relative paths to

+# folders with source files, current folder is always included)

+SRCS_DIRS =

+

+# extension of C++ files

+CXX_EXT = cpp

+

+# wildcard for C++ source files (all files with CXX_EXT extension found in

+# current folder and SRCS_DIRS folders will be compiled and linked)

+CXX_SRCS = $(wildcard $(patsubst %, %/*.$(CXX_EXT), . $(SRCS_DIRS)))

+

+# extension of C files

+C_EXT = c

+

+# wildcard for C source files (all files with C_EXT extension found in current

+# folder and SRCS_DIRS folders will be compiled and linked)

+C_SRCS = $(wildcard $(patsubst %, %/*.$(C_EXT), . $(SRCS_DIRS)))

+

+# extension of ASM files

+AS_EXT = S

+

+# wildcard for ASM source files (all files with AS_EXT extension found in

+# current folder and SRCS_DIRS folders will be compiled and linked)

+AS_SRCS = $(wildcard $(patsubst %, %/*.$(AS_EXT), . $(SRCS_DIRS)))

+

+# optimization flags ("-O0" - no optimization, "-O1" - optimize, "-O2" -

+# optimize even more, "-Os" - optimize for size or "-O3" - optimize yet more) 

+OPTIMIZATION = -O0

+

+# set to 1 to optimize size by removing unused code and data during link phase

+REMOVE_UNUSED = 1

+

+# set to 1 to compile and link additional code required for C++

+USES_CXX = 0

+

+# define warning options here

+CXX_WARNINGS = -Wall -Wextra

+C_WARNINGS = -Wall -Wstrict-prototypes -Wextra

+

+# C++ language standard ("c++98", "gnu++98" - default, "c++0x", "gnu++0x")

+CXX_STD = gnu++98

+

+# C language standard ("c89" / "iso9899:1990", "iso9899:199409",

+# "c99" / "iso9899:1999", "gnu89" - default, "gnu99")

+C_STD = gnu89

+

+#=============================================================================#

+# set the VPATH according to SRCS_DIRS

+#=============================================================================#

+

+VPATH = $(SRCS_DIRS)

+

+#=============================================================================#

+# when using output folder, append trailing slash to its name

+#=============================================================================#

+

+ifeq ($(strip $(OUT_DIR)), )

+	OUT_DIR_F =

+else

+	OUT_DIR_F = $(strip $(OUT_DIR))/

+endif

+

+#=============================================================================#

+# various compilation flags

+#=============================================================================#

+

+# core flags

+CORE_FLAGS = -mcpu=$(CORE) -mthumb

+

+# flags for C++ compiler

+CXX_FLAGS = -std=$(CXX_STD) -g -ggdb3 -fno-rtti -fno-exceptions -fverbose-asm -Wa,-ahlms=$(OUT_DIR_F)$(notdir $(<:.$(CXX_EXT)=.lst))

+

+# flags for C compiler

+C_FLAGS = -std=$(C_STD) -g -ggdb3 -fverbose-asm -Wa,-ahlms=$(OUT_DIR_F)$(notdir $(<:.$(C_EXT)=.lst))

+

+# flags for assembler

+AS_FLAGS = -g -ggdb3 -Wa,-amhls=$(OUT_DIR_F)$(notdir $(<:.$(AS_EXT)=.lst))

+

+# flags for linker

+LD_FLAGS = -T$(LD_SCRIPT) -g -Wl,-Map=$(OUT_DIR_F)$(PROJECT).map,--cref,--no-warn-mismatch

+

+# process option for removing unused code

+ifeq ($(REMOVE_UNUSED), 1)

+	LD_FLAGS += -Wl,--gc-sections

+	OPTIMIZATION += -ffunction-sections -fdata-sections

+endif

+

+# if __USES_CXX is defined for ASM then code for global/static constructors /

+# destructors is compiled; if -nostartfiles option for linker is added then C++

+# initialization / finalization code is not linked

+ifeq ($(USES_CXX), 1)

+	AS_DEFS += -D__USES_CXX

+else

+	LD_FLAGS += -nostartfiles

+endif

+

+#=============================================================================#

+# do some formatting

+#=============================================================================#

+

+CXX_OBJS = $(addprefix $(OUT_DIR_F), $(notdir $(CXX_SRCS:.$(CXX_EXT)=.o)))

+C_OBJS = $(addprefix $(OUT_DIR_F), $(notdir $(C_SRCS:.$(C_EXT)=.o)))

+AS_OBJS = $(addprefix $(OUT_DIR_F), $(notdir $(AS_SRCS:.$(AS_EXT)=.o)))

+OBJS = $(AS_OBJS) $(C_OBJS) $(CXX_OBJS) $(USER_OBJS)

+DEPS = $(OBJS:.o=.d)

+INC_DIRS_F = -I. $(patsubst %, -I%, $(INC_DIRS))

+LIB_DIRS_F = $(patsubst %, -L%, $(LIB_DIRS))

+

+ELF = $(OUT_DIR_F)$(PROJECT).elf

+HEX = $(OUT_DIR_F)$(PROJECT).hex

+BIN = $(OUT_DIR_F)$(PROJECT).bin

+LSS = $(OUT_DIR_F)$(PROJECT).lss

+DMP = $(OUT_DIR_F)$(PROJECT).dmp

+

+# format final flags for tools, request dependancies for C++, C and asm

+CXX_FLAGS_F = $(CORE_FLAGS) $(OPTIMIZATION) $(CXX_WARNINGS) $(CXX_FLAGS)  $(CXX_DEFS) -MD -MP -MF $(OUT_DIR_F)$(@F:.o=.d) $(INC_DIRS_F)

+C_FLAGS_F = $(CORE_FLAGS) $(OPTIMIZATION) $(C_WARNINGS) $(C_FLAGS) $(C_DEFS) -MD -MP -MF $(OUT_DIR_F)$(@F:.o=.d) $(INC_DIRS_F)

+AS_FLAGS_F = $(CORE_FLAGS) $(AS_FLAGS) $(AS_DEFS) -MD -MP -MF $(OUT_DIR_F)$(@F:.o=.d) $(INC_DIRS_F)

+LD_FLAGS_F = $(CORE_FLAGS) $(LD_FLAGS) $(LIB_DIRS_F)

+

+#contents of output directory

+GENERATED = $(wildcard $(patsubst %, $(OUT_DIR_F)*.%, bin d dmp elf hex lss lst map o))

+

+#=============================================================================#

+# make all

+#=============================================================================#

+

+all : make_output_dir $(ELF) $(LSS) $(DMP) $(HEX) $(BIN) print_size

+

+# make object files dependent on Makefile

+$(OBJS) : Makefile

+# make .elf file dependent on linker script

+$(ELF) : $(LD_SCRIPT)

+

+#-----------------------------------------------------------------------------#

+# linking - objects -> elf

+#-----------------------------------------------------------------------------#

+

+$(ELF) : $(OBJS)

+	@echo 'Linking target: $(ELF)'

+	$(CXX) $(LD_FLAGS_F) $(OBJS) $(LIBS) -o $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# compiling - C++ source -> objects

+#-----------------------------------------------------------------------------#

+

+$(OUT_DIR_F)%.o : %.$(CXX_EXT)

+	@echo 'Compiling file: $<'

+	$(CXX) -c $(CXX_FLAGS_F) $< -o $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# compiling - C source -> objects

+#-----------------------------------------------------------------------------#

+

+$(OUT_DIR_F)%.o : %.$(C_EXT)

+	@echo 'Compiling file: $<'

+	$(CC) -c $(C_FLAGS_F) $< -o $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# assembling - ASM source -> objects

+#-----------------------------------------------------------------------------#

+

+$(OUT_DIR_F)%.o : %.$(AS_EXT)

+	@echo 'Assembling file: $<'

+	$(AS) -c $(AS_FLAGS_F) $< -o $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# memory images - elf -> hex, elf -> bin

+#-----------------------------------------------------------------------------#

+

+$(HEX) : $(ELF)

+	@echo 'Creating IHEX image: $(HEX)'

+	$(OBJCOPY) -O ihex $< $@

+	@echo ' '

+

+$(BIN) : $(ELF)

+	@echo 'Creating binary image: $(BIN)'

+	$(OBJCOPY) -O binary $< $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# memory dump - elf -> dmp

+#-----------------------------------------------------------------------------#

+

+$(DMP) : $(ELF)

+	@echo 'Creating memory dump: $(DMP)'

+	$(OBJDUMP) -x --syms $< > $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# extended listing - elf -> lss

+#-----------------------------------------------------------------------------#

+

+$(LSS) : $(ELF)

+	@echo 'Creating extended listing: $(LSS)'

+	$(OBJDUMP) -S $< > $@

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# print the size of the objects and the .elf file

+#-----------------------------------------------------------------------------#

+

+print_size :

+	@echo 'Size of modules:'

+	$(SIZE) -B -t --common $(OBJS) $(USER_OBJS)

+	@echo ' '

+	@echo 'Size of target .elf file:'

+	$(SIZE) -B $(ELF)

+	@echo ' '

+

+#-----------------------------------------------------------------------------#

+# create the desired output directory

+#-----------------------------------------------------------------------------#

+

+make_output_dir :

+	$(shell mkdir $(OUT_DIR_F) 2>/dev/null)

+

+#=============================================================================#

+# make clean

+#=============================================================================#

+

+clean:

+ifeq ($(strip $(OUT_DIR_F)), )

+	@echo 'Removing all generated output files'

+else

+	@echo 'Removing all generated output files from output directory: $(OUT_DIR_F)'

+endif

+ifneq ($(strip $(GENERATED)), )

+	$(RM) $(GENERATED)

+else

+	@echo 'Nothing to remove...'

+endif

+

+#=============================================================================#

+# global exports

+#=============================================================================#

+

+.PHONY: all clean dependents

+

+.SECONDARY:

+

+# include dependancy files

+-include $(DEPS)