[BUILD] Add generic Makefile.rules
This commit is contained in:
Frantisek Burian
196
examples/Makefile.rules
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196
examples/Makefile.rules
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##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
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## Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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##
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## This library is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU Lesser General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this library. If not, see <http://www.gnu.org/licenses/>.
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##
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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endif
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PREFIX ?= arm-none-eabi
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CC = $(PREFIX)-gcc
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CPP = $(PREFIX)-g++
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LD = $(PREFIX)-gcc
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OBJCOPY = $(PREFIX)-objcopy
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OBJDUMP = $(PREFIX)-objdump
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GDB = $(PREFIX)-gdb
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STFLASH = $(shell which st-flash)
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LDSCRIPT ?= $(BINARY).ld
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OBJS += $(BINARY).o
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TOOLCHAIN_DIR ?= ../../../../../libopencm3
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ifeq ($(wildcard ../../../../../libopencm3/lib/lib$(LIBNAME).a),)
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ifneq ($(strip $(shell which $(CC))),)
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TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX)
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endif
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else
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ifeq ($(V),1)
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$(info Building the example in the source directory. Using local library!)
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endif
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endif
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INCLUDE_DIR = $(TOOLCHAIN_DIR)/include
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LIB_DIR = $(TOOLCHAIN_DIR)/lib
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SCRIPT_DIR = $(TOOLCHAIN_DIR)/share/libopencm3/scripts
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ifneq ($(OPENCM3_DIR),)
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INCLUDE_DIR = $(OPENCM3_DIR)/include
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LIB_DIR = $(OPENCM3_DIR)/lib
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SCRIPT_DIR = $(OPENCM3_DIR)/scripts
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endif
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# C flags
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CFLAGS += -Os -g $(ARCH_FLAGS) -MD $(DEFS)
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CFLAGS += -Wall -Wextra -Wimplicit-function-declaration
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CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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CFLAGS += -Wundef -Wshadow -fno-common
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CFLAGS += -I$(INCLUDE_DIR)
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# C++ flags
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CPPFLAGS += -Os -g $(ARCH_FLAGS) -MD $(DEFS)
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CPPFLAGS += -Wall -Wextra -Wimplicit-function-declaration
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CPPFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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CPPFLAGS += -Wundef -Wshadow -fno-common
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CPPFLAGS += -I$(INCLUDE_DIR)
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# Linker flags
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LDFLAGS += --static -nostartfiles $(ARCH_FLAGS) -l$(LIBNAME)
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LDFLAGS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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LDFLAGS += -Wl,--gc-sections
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LDFLAGS += -L$(LIB_DIR)
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LDFLAGS += -T$(LDSCRIPT)
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ifeq ($(V),1)
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LDFLAGS += -Wl,--print-gc-sections
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endif
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.SUFFIXES: .elf .bin .hex .srec .list .images
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.SECONDEXPANSION:
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.SECONDARY:
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all: images
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images: $(BINARY).images
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flash: $(BINARY).flash
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%.images: %.bin %.hex %.srec %.list
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@#printf "*** $* images generated ***\n"
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%.bin: %.elf
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@#printf " OBJCOPY $(*).bin\n"
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$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin
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%.hex: %.elf
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@#printf " OBJCOPY $(*).hex\n"
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$(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex
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%.srec: %.elf
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@#printf " OBJCOPY $(*).srec\n"
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$(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec
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%.list: %.elf
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@#printf " OBJDUMP $(*).list\n"
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$(Q)$(OBJDUMP) -S $(*).elf > $(*).list
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%.elf: $(OBJS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a
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@#printf " LD $(*).elf\n"
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$(Q)$(LD) -o $(*).elf $(OBJS) $(LDFLAGS)
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%.o: %.c
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@#printf " CC $(*).c\n"
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$(Q)$(CC) $(CFLAGS) -o $(*).o -c $(*).c
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%.o: %.cpp
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@#printf " CPP $(*).cpp\n"
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$(Q)$(CPP) $(CPPFLAGS) -o $(*).o -c $(*).cpp
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clean:
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@#printf " CLEAN\n"
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$(Q)rm -f *.o
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$(Q)rm -f *.d
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$(Q)rm -f *.elf
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$(Q)rm -f *.bin
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$(Q)rm -f *.hex
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$(Q)rm -f *.srec
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$(Q)rm -f *.list
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%.stlink-flash: %.bin
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@printf " FLASH $<\n"
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$(Q)$(STFLASH) write $(*).bin 0x8000000
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ifeq ($(STLINK_PORT),)
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ifeq ($(BMP_PORT),)
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ifeq ($(OOCD_SERIAL),)
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "init" -c "reset init" \
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-c "stm32f1x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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else
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "ft2232_serial $(OOCD_SERIAL)" \
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-c "init" -c "reset init" \
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-c "stm32f1x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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endif
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else
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%.flash: %.elf
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@printf " GDB $(*).elf (flash)\n"
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$(Q)$(GDB) --batch \
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-ex 'target extended-remote $(BMP_PORT)' \
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-x $(SCRIPT_DIR)/black_magic_probe_flash.scr \
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$(*).elf
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endif
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else
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%.flash: %.elf
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@printf " GDB $(*).elf (flash)\n"
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$(Q)$(GDB) --batch \
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-ex 'target extended-remote $(STLINK_PORT)' \
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-x $(SCRIPT_DIR)/stlink_flash.scr \
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$(*).elf
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endif
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.PHONY: images clean
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-include $(OBJS:.o=.d)
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