4dfa31f9f8
When using netcat to send commands to an already existing openocd session, you must path full paths to the file to flash. There's no guarantee that it is running from the same directory as the present example
264 lines
7.5 KiB
Makefile
264 lines
7.5 KiB
Makefile
##
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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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###############################################################################
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# Executables
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PREFIX ?= arm-none-eabi
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CC := $(PREFIX)-gcc
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CXX := $(PREFIX)-g++
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LD := $(PREFIX)-gcc
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AR := $(PREFIX)-ar
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AS := $(PREFIX)-as
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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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STYLECHECK := /checkpatch.pl
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STYLECHECKFLAGS := --no-tree -f --terse --mailback
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STYLECHECKFILES := $(shell find . -name '*.[ch]')
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OPT := -Os
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CSTD ?= -std=c99
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###############################################################################
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# Source files
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OBJS += $(BINARY).o
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ifeq ($(strip $(OPENCM3_DIR)),)
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# user has not specified the library path, so we try to detect it
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# where we search for the library
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LIBPATHS := ./libopencm3 ../../../../libopencm3 ../../../../../libopencm3
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OPENCM3_DIR := $(wildcard $(LIBPATHS:=/locm3.sublime-project))
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OPENCM3_DIR := $(firstword $(dir $(OPENCM3_DIR)))
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ifeq ($(strip $(OPENCM3_DIR)),)
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$(warning Cannot find libopencm3 library in the standard search paths.)
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$(error Please specify it through OPENCM3_DIR variable!)
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endif
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endif
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ifeq ($(V),1)
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$(info Using $(OPENCM3_DIR) path to library)
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endif
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define ERR_DEVICE_LDSCRIPT_CONFLICT
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You can either specify DEVICE=blah, and have the LDSCRIPT generated,
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or you can provide LDSCRIPT, and ensure CPPFLAGS, LDFLAGS and LDLIBS
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all contain the correct values for the target you wish to use.
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You cannot provide both!
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endef
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ifeq ($(strip $(DEVICE)),)
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# Old style, assume LDSCRIPT exists
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DEFS += -I$(OPENCM3_DIR)/include
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LDFLAGS += -L$(OPENCM3_DIR)/lib
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LDLIBS += -l$(LIBNAME)
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LDSCRIPT ?= $(BINARY).ld
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else
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# New style, assume device is provided, and we're generating the rest.
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ifneq ($(strip $(LDSCRIPT)),)
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$(error $(ERR_DEVICE_LDSCRIPT_CONFLICT))
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endif
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include $(OPENCM3_DIR)/mk/genlink-config.mk
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endif
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SCRIPT_DIR = $(OPENCM3_DIR)/scripts
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###############################################################################
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# C flags
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TGT_CFLAGS += $(OPT) $(CSTD) -g
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TGT_CFLAGS += $(ARCH_FLAGS)
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TGT_CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration
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TGT_CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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TGT_CFLAGS += -fno-common -ffunction-sections -fdata-sections
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###############################################################################
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# C++ flags
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TGT_CXXFLAGS += $(OPT) $(CXXSTD) -g
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TGT_CXXFLAGS += $(ARCH_FLAGS)
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TGT_CXXFLAGS += -Wextra -Wshadow -Wredundant-decls -Weffc++
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TGT_CXXFLAGS += -fno-common -ffunction-sections -fdata-sections
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###############################################################################
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# C & C++ preprocessor common flags
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TGT_CPPFLAGS += -MD
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TGT_CPPFLAGS += -Wall -Wundef
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TGT_CPPFLAGS += $(DEFS)
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###############################################################################
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# Linker flags
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TGT_LDFLAGS += --static -nostartfiles
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TGT_LDFLAGS += -T$(LDSCRIPT)
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TGT_LDFLAGS += $(ARCH_FLAGS)
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TGT_LDFLAGS += -Wl,-Map=$(*).map
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TGT_LDFLAGS += -Wl,--gc-sections
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ifeq ($(V),99)
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TGT_LDFLAGS += -Wl,--print-gc-sections
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endif
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###############################################################################
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# Used libraries
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LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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###############################################################################
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###############################################################################
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###############################################################################
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.SUFFIXES: .elf .bin .hex .srec .list .map .images
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.SECONDEXPANSION:
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.SECONDARY:
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all: elf
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elf: $(BINARY).elf
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bin: $(BINARY).bin
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hex: $(BINARY).hex
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srec: $(BINARY).srec
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list: $(BINARY).list
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images: $(BINARY).images
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flash: $(BINARY).flash
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# Either verify the user provided LDSCRIPT exists, or generate it.
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ifeq ($(strip $(DEVICE)),)
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$(LDSCRIPT):
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ifeq (,$(wildcard $(LDSCRIPT)))
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$(error Unable to find specified linker script: $(LDSCRIPT))
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endif
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else
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include $(OPENCM3_DIR)/mk/genlink-rules.mk
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endif
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%.images: %.bin %.hex %.srec %.list %.map
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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 %.map: $(OBJS) $(LDSCRIPT)
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@#printf " LD $(*).elf\n"
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$(Q)$(LD) $(TGT_LDFLAGS) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(*).elf
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%.o: %.c
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@#printf " CC $(*).c\n"
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$(Q)$(CC) $(TGT_CFLAGS) $(CFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $(*).o -c $(*).c
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%.o: %.cxx
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@#printf " CXX $(*).cxx\n"
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$(Q)$(CXX) $(TGT_CXXFLAGS) $(CXXFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $(*).o -c $(*).cxx
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%.o: %.cpp
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@#printf " CXX $(*).cpp\n"
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$(Q)$(CXX) $(TGT_CXXFLAGS) $(CXXFLAGS) $(TGT_CPPFLAGS) $(CPPFLAGS) -o $(*).o -c $(*).cpp
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clean:
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@#printf " CLEAN\n"
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$(Q)$(RM) *.o *.d *.elf *.bin *.hex *.srec *.list *.map generated.* ${OBJS} ${OBJS:%.o:%.d}
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stylecheck: $(STYLECHECKFILES:=.stylecheck)
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styleclean: $(STYLECHECKFILES:=.styleclean)
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# the cat is due to multithreaded nature - we like to have consistent chunks of text on the output
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%.stylecheck: %
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$(Q)$(SCRIPT_DIR)$(STYLECHECK) $(STYLECHECKFLAGS) $* > $*.stylecheck; \
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if [ -s $*.stylecheck ]; then \
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cat $*.stylecheck; \
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else \
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rm -f $*.stylecheck; \
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fi;
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%.styleclean:
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$(Q)rm -f $*.stylecheck;
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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_FILE),)
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%.flash: %.elf
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@printf " FLASH $<\n"
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$(Q)(echo "halt; program $(realpath $(*).elf) verify reset" | nc -4 localhost 4444 2>/dev/null) || \
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$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f target/$(OOCD_TARGET).cfg \
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-c "program $(*).elf verify reset exit" \
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$(NULL)
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else
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%.flash: %.elf
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@printf " FLASH $<\n"
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$(Q)(echo "halt; program $(realpath $(*).elf) verify reset" | nc -4 localhost 4444 2>/dev/null) || \
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$(OOCD) -f $(OOCD_FILE) \
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-c "program $(*).elf verify reset exit" \
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$(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 stylecheck styleclean elf bin hex srec list
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-include $(OBJS:.o=.d)
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