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Makefile
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Makefile
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all: current
current_makefile := $(CURDIR)/$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
DEFAULT_SOURCE=$(shell dirname $(call current_makefile))
#### TARGET SELECTION ####
APP ?= cli
ENV ?= booted
BOARD ?= logomatic
CORE_OBJ = \
core/tty.o \
core/parse.o \
core/system.o \
core/cli.o \
core/device.o \
core/timer.o \
core/clock.o \
core/file.o \
core/irq.o \
core/memory.o \
serial_fifo.o \
# core/filesystem.o
CLI_OBJ=commands/gpio.o commands/mem.o commands/sys.o commands/nmea.o commands/posix.o commands/gps.o commands/lpc.o
SENSOR_OBJ=sensor/scp.o sensor/nmea.o
DISARM_OBJ=pkg/libdisarm/src/libdisarm/args.o pkg/libdisarm/src/libdisarm/print.o pkg/libdisarm/src/libdisarm/parser.o
RRFAT_OBJ=fat/fat16.o fat/partition.o fat/rootdir.o fat/sd_raw.o
POSIX_OBJ=posix/process.o posix/epoll.o posix/signal.o posix/control.o
POSIX_SYS_OBJ=posix/sys_errno.o posix/sys_errlist.o posix/sys_file.o posix/sys_sleep.o posix/sys_mcontext.o posix/sys_ucontext.o posix/sys_sysconf.o posix/sys_mmap.o posix/sys_munmap.o posix/sys_mremap.o posix/sys_getpagesize.o
RTOS_OBJECTS=$(CORE_OBJ) $(CLI_OBJ) $(SENSOR_OBJ) $(RRFAT_OBJ)
ifneq ($(BOARD),emulator)
RTOS_OBJECTS+=$(DISARM_OBJ) $(POSIX_OBJ) $(POSIX_SYS_OBJ)
RTOS_LIBRARIES=dietlibc.a
endif
#### EMULATOR ####
BOARD_emulator_PLATFORM=emulator
BOARD_emulator_OBJECTS=\
platform/emulator/board.o \
platform/emulator/irq.o
PLATFORM_emulator_CROSS=
PLATFORM_emulator_DEFINES=-DPLATFORM_EMULATOR
#### BOARD logomatic ####
BOARD_logomatic_PLATFORM=lpc2148
BOARD_logomatic_OBJECTS=\
board/logomatic/board.o \
board/logomatic/microsd.o
#### PLATFORM lpc21 ####
PLATFORM_lpc21_LIBRARIES=\
lpcusb.a
PLATFORM_lpc21_OBJECTS=\
platform/lpc21/irq.o \
platform/lpc21/scb.o \
platform/lpc21/pll.o \
platform/lpc21/mam.o \
platform/lpc21/vpb.o \
platform/lpc21/vic.o \
platform/lpc21/pcon.o \
platform/lpc21/reset.o \
platform/lpc21/pin.o \
platform/lpc21/pinsel.o \
platform/lpc21/timer.o \
platform/lpc21/eint.o \
platform/lpc21/gpio.o \
platform/lpc21/uart.o \
platform/lpc21/rtc.o \
platform/lpc21/ssp.o \
platform/lpc21/spi.o \
platform/lpc21/wdt.o \
platform/lpc21/device.o \
platform/lpc21/stubs.o \
platform/lpc21/vcom.o
PLATFORM_lpc2148_CROSS=arm-elf-
PLATFORM_lpc2148_DEFINES=-DPLATFORM_LPC21 -DMCU_LPC2148
PLATFORM_lpc2148_LIBRARIES=\
$(PLATFORM_lpc21_LIBRARIES)
PLATFORM_lpc2148_OBJECTS=\
$(PLATFORM_lpc21_OBJECTS) \
platform/lpc21/mcu-lpc2148.o
#### ####
APP_cli_OBJECTS=\
app/cli.o
#### ESSENTIAL DIRECTORIES ####
SOURCE?=$(DEFAULT_SOURCE)
#### TOOLCHAIN SELECTION ####
CC=$(PLATFORM_$(PLATFORM)_CROSS)gcc
NM=$(PLATFORM_$(PLATFORM)_CROSS)nm
SIZE=$(PLATFORM_$(PLATFORM)_CROSS)size
OBJCOPY=$(PLATFORM_$(PLATFORM)_CROSS)objcopy
OBJDUMP=$(PLATFORM_$(PLATFORM)_CROSS)objdump
HOSTCC?=gcc
#### TOOLCHAIN CONFIGURATION ####
#### GENERIC RULES ####
%.p: %.c
@mkdir -p `dirname $(*)`
@$(CC) $(CFLAGS) -M -o $(*).d $(<)
@sed 's|.*\.o:|$(@:.p=.o): |g' < $*.d > $@; rm -f $*.d; [ -s $@ ] || rm -f $@
%.p: %.S
@mkdir -p `dirname $(*)`
@$(CC) $(ASFLAGS) -M -o $(*).d $(<)
@sed 's|.*\.o:|$(@:.p=.o): |g' < $*.d > $@; rm -f $*.d; [ -s $@ ] || rm -f $@
%.o: %.c
@mkdir -p `dirname $(*)`
$(CC) $(CFLAGS) -Wa,-adhlns=$(@:.o=.lst) -c -o $@ $<
%.o: %.S
@mkdir -p `dirname $(*)`
$(CC) $(ASFLAGS) -Wa,-adhlns=$(@:.o=.lst) -c -o $@ $<
%.bin: %.elf
$(OBJCOPY) --gap-fill=0xff -O binary $^ $@
%.hex: %.elf
$(OBJCOPY) --gap-fill=0xff -O ihex $^ $@
%.lst: %.elf
$(OBJDUMP) -d $^ > $@
%.size: %.elf
$(SIZE) $^ | tee $@
%.syms: %.elf
$(NM) -f bsd -alnS $^ > $@
dietlibc.a dietlibm.a:
export CROSS=$(PLATFORM_$(PLATFORM)_CROSS) && cd $(SOURCE)/pkg/dietlibc && make clean && make all
cp $(SOURCE)/pkg/dietlibc/bin-arm/dietlibc.a dietlibc.a
cp $(SOURCE)/pkg/dietlibc/bin-arm/libm.a dietlibm.a
lpcusb.a:
export CROSS=$(PLATFORM_$(PLATFORM)_CROSS) && cd $(SOURCE)/pkg/lpcusb/target && make clean && make depend && make lib
cp $(SOURCE)/pkg/lpcusb/target/usbstack.a lpcusb.a
#### ####
CFLAGS_WARNINGS=-Wall -Wextra -Wshadow -Wpointer-arith -Wno-cast-align -Wimplicit -Wno-unused -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wsign-compare -Waggregate-return -Wno-format-extra-args
ifneq ($(BOARD),emulator)
LDSCRIPT=board/$(BOARD)/$(ENV).lds
LDSFLAG=-T $(SOURCE)/$(LDSCRIPT)
CRT=board/$(BOARD)/$(ENV).o
CFLAGS_CONFIG=-gdwarf-2 -Os -ffunction-sections -nostdlib
CFLAGS_BUILTIN=-fno-builtin-execl -fno-builtin-execle
CFLAGS_TARGET=-mcpu=arm7tdmi -mfloat-abi=soft -marm
CFLAGS=$(CFLAGS_CONFIG) $(CFLAGS_TARGET) $(CFLAGS_BUILTIN) $(CFLAGS_WARNINGS) $(INCLUDEFLAGS) $(DEFINE)
ASFLAGS=-D__ASSEMBLY__ $(DEFINE) $(INCLUDEFLAGS) $(CFLAGS_TARGET)
LDFLAGS=-static -static-libgcc -nostartfiles -nostdlib -nodefaultlibs -Wl,--gc-sections -Wl,--cref
INCLUDEFLAGS=-I$(SOURCE)/include -I$(SOURCE)/pkg/lpcusb/target -I$(SOURCE)/pkg/dietlibc/include -I$(SOURCE)/pkg/libdisarm/src -I$(SOURCE)
DEFINE=-DLPC214x -DNDEBUG -DLPC_MEMMAP=MEM_MAP_USER_RAM \
$(PLATFORM_$(PLATFORM)_DEFINES) \
$(BOARD_$(BOARD)_DEFINES)
else
INCLUDEFLAGS=-I$(SOURCE)
CFLAGS_CONFIG=-gdwarf-2 -Os -ffunction-sections
CFLAGS=$(CFLAGS_CONFIG) $(CFLAGS_WARNINGS) $(INCLUDEFLAGS)
LDFLAGS=-static -static-libgcc
endif
PLATFORM=$(BOARD_$(BOARD)_PLATFORM)
CURRENT_ELF=$(BOARD)-$(APP)-$(ENV).elf
CURRENT_MAP=$(BOARD)-$(APP)-$(ENV).map
CURRENT_BIN=$(BOARD)-$(APP)-$(ENV).bin
CURRENT_HEX=$(BOARD)-$(APP)-$(ENV).hex
CURRENT_LST=$(BOARD)-$(APP)-$(ENV).lst
CURRENT_SIZE=$(BOARD)-$(APP)-$(ENV).size
CURRENT_SYMS=$(BOARD)-$(APP)-$(ENV).syms
CURRENT_LIBS=\
$(RTOS_LIBRARIES) \
$(PLATFORM_$(PLATFORM)_LIBRARIES) \
$(BOARD_$(BOARD)_LIBRARIES) \
$(APP_$(APP)_LIBRARIES
CURRENT_OBJS=\
$(CRT) \
$(RTOS_OBJECTS) \
$(PLATFORM_$(PLATFORM)_OBJECTS) \
$(BOARD_$(BOARD)_OBJECTS) \
$(APP_$(APP)_OBJECTS)
CURRENT_DEPS=$(CURRENT_OBJS:.o=.p)
CURRENT_LSTS=$(CURRENT_OBJS:.o=.lst)
VPATH=$(SOURCE)
depend: $(CURRENT_DEPS)
current: depend \
$(CURRENT_ELF) $(CURRENT_MAP) \
$(CURRENT_HEX) $(CURRENT_BIN) \
$(CURRENT_LST) $(CURRENT_SIZE) $(CURRENT_SYMS)
clean:
rm -rf $(CURRENT_ELF) $(CURRENT_MAP) $(CURRENT_HEX) $(CURRENT_BIN) $(CURRENT_LST) $(CURRENT_SIZE) $(CURRENT_SYMS) \
$(CURRENT_OBJS) $(CURRENT_LSTS) $(CURRENT_DEPS) $(CURRENT_LIBS)
$(CURRENT_ELF) $(CURRENT_MAP): $(LDSCRIPT) $(CURRENT_OBJS) $(CURRENT_LIBS)
$(CC) $(LDFLAGS) $(LDSFLAG) \
-Wl,-Map="$(CURRENT_MAP)" -o $(CURRENT_ELF) \
-Wl,--start-group -lgcc $(CURRENT_OBJS) $(CURRENT_LIBS) -Wl,--end-group
-include $(CURRENT_DEPS)