Files
atomthreads/ports/armv7a/Makefile
Anup Patel 49f27eff8d Minor refactoring in the build process.
Signed-off-by: Anup Patel <anup@brainfault.org>
2011-07-29 09:31:06 +05:30

150 lines
3.7 KiB
Makefile

##########################################
# Toplevel makefile for all ARM7a boards #
##########################################
# Build directory
ifdef O
build_dir=$(shell readlink -f $(O))
else
build_dir=$(CURDIR)/build
endif
# Source directory
src_dir=$(CURDIR)
# Configuration
ifndef CPU
CPU=cortex-a8
endif
ifndef BOARD
BOARD=pb-a8
endif
CC=$(CROSS_COMPILE)gcc
OBJCOPY=$(CROSS_COMPILE)objcopy
# Enable stack-checking. WARNING: the full automated test suite currently
# requires a little over 1KB RAM with stack-checking enabled. If you are
# using a device with 1KB internal SRAM and no external SRAM then you
# must disable stack-checking to run all of the automated tests.
#STACK_CHECK=true
# Location of atomthreads sources
board_dir=$(src_dir)/$(BOARD)
kernel_dir=$(src_dir)/../../kernel
tests_dir=$(src_dir)/../../tests
# Check if verbosity is ON for build process
VERBOSE_DEFAULT := 0
CMD_PREFIX_DEFAULT := @
ifdef VERBOSE
ifeq ("$(origin VERBOSE)", "command line")
VB := $(VERBOSE)
else
VB := $(VERBOSE_DEFAULT)
endif
else
VB := $(VERBOSE_DEFAULT)
endif
ifeq ($(VB), 1)
V :=
else
V := $(CMD_PREFIX_DEFAULT)
endif
# object files
objs = arm_irq.o
objs += arm_main.o
objs += atomport.o
objs += arm_entry.o
objs += atomport-asm.o
# include board makefile for board specific objects
-include $(board_dir)/Makefile
# library object files
objs += printk.o
objs += string.o
objs += vsprintf.o
# Kernel object files
objs += atomkernel.o
objs += atomsem.o
objs += atommutex.o
objs += atomtimer.o
objs += atomqueue.o
# Collection of built objects (excluding test applications)
build_objs = $(foreach obj,$(objs),$(build_dir)/$(obj))
# Target application filenames .elf for each test object
tobjs = $(notdir $(patsubst %.c,%.o,$(wildcard $(tests_dir)/*.c)))
telfs = $(patsubst %.o,%.elf,$(tobjs))
tbins = $(patsubst %.o,%.bin,$(tobjs))
build_tobjs = $(foreach tobj,$(tobjs),$(build_dir)/$(tobj))
build_telfs = $(foreach telf,$(telfs),$(build_dir)/$(telf))
build_tbins = $(foreach tbin,$(tbins),$(build_dir)/$(tbin))
# GCC flags
CFLAGS= -g \
-Wall \
-Werror \
-mcpu=$(CPU) \
-nostdinc \
-nostdlib \
-nodefaultlibs \
-fno-builtin \
-I$(src_dir) \
-I$(board_dir) \
-I$(kernel_dir) \
-I$(tests_dir)
# Enable stack-checking (disable if not required)
ifeq ($(STACK_CHECK),true)
CFLAGS += -DATOM_STACK_CHECKING
endif
# All
.PHONY: all
all: $(build_tbins) $(build_telfs) $(build_tobjs) $(build_objs) Makefile
$(build_dir)/%.bin: $(build_dir)/%.elf
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (OBJCOPY) $(subst $(build_dir)/,,$@)")
$(V)$(OBJCOPY) -O binary $< $@
$(build_dir)/%.elf: $(build_dir)/%.o $(build_objs) $(board_dir)/linker.ld
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (ELF) $(subst $(build_dir)/,,$@)")
$(V)$(CC) $(CFLAGS) $(build_objs) $< -static-libgcc -lgcc -Wl -T $(board_dir)/linker.ld -o $@
$(build_dir)/%.o: $(src_dir)/%.S
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (AS) $(subst $(build_dir)/,,$@)")
$(V)$(CC) $(CFLAGS) -D__ASSEMBLY__ -I`dirname $<` -c $< -o $@
$(build_dir)/%.o: $(src_dir)/%.c
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (CC) $(subst $(build_dir)/,,$@)")
$(V)$(CC) $(CFLAGS) $(CFLAGS) -I`dirname $<` -c $< -o $@
$(build_dir)/%.o: $(kernel_dir)/%.c
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (CC) $(subst $(build_dir)/,,$@)")
$(V)$(CC) $(CFLAGS) $(CFLAGS) -I`dirname $<` -c $< -o $@
$(build_dir)/%.o: $(tests_dir)/%.c
$(V)mkdir -p `dirname $@`
$(if $(V), @echo " (CC) $(subst $(build_dir)/,,$@)")
$(V)$(CC) $(CFLAGS) $(CFLAGS) -I`dirname $<` -c $< -o $@
# Clean
.PHONY: clean
clean:
rm -rf doxygen-kernel
rm -rf doxygen-armv7a
rm -rf $(build_dir)
# Docs
.PHONY: doxygen
doxygen:
doxygen $(kernel_dir)/Doxyfile
doxygen ./Doxyfile