kopia lustrzana https://github.com/bristol-seds/pico-tracker
278 wiersze
7.5 KiB
Makefile
278 wiersze
7.5 KiB
Makefile
# Compiles firmware written in C and assembler for the Atmel SAM D20
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# Copyright (C) 2014
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# The primary targets in this file are:
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#
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# all Everything
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# print-symlinks DEVICE=<dev> Prints any symlinks to a given device
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# etags Generates an ETAGS file for the project
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# emacs Launches emacs for this project
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# verification Runs the ctypesgen needs for verif. scripts
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# clean Removes generated files
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#
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# This makefile is intended to be run from the root of the project.
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#
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# External configuration makefile
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#
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# Edit the project name, and compilation flags etc. in this makefile
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#
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-include config.mk
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# Directories
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#
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# These define the locations of the source, nordic sdk and output trees.
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#
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OUTPUT_PATH := out/
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SOURCE_TREE := src/
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INCLUDE_PATH := inc/
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# Shell Commands
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#
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# Listed here for portability.
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#
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CAT := cat
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ECHO := echo
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FIND := find
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GREP := grep
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MKDIR := mkdir -p
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RM := rm -r
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SED := sed
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TR := tr
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# ARM GCC Toolchain
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#
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# These tools are available from https://launchpad.net/gcc-arm-embedded/ and
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# should be placed on your path. ALternatively you could compile your own.
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#
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TOOLCHAIN := arm-none-eabi
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AS := $(TOOLCHAIN)-as
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CC := $(TOOLCHAIN)-gcc
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DB := $(TOOLCHAIN)-gdb
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CXX := $(TOOLCHAIN)-g++
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OBJCOPY := $(TOOLCHAIN)-objcopy
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OBJDUMP := $(TOOLCHAIN)-objdump
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SIZE := $(TOOLCHAIN)-size
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# The SAM D20 series is based on an ARM Cortex M0+ core
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#
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#
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ARCH_FLAGS := -mcpu=cortex-m0plus -mthumb
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# Flags for float printing
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#
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#
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LDFLAGS += --specs=rdimon.specs -lrdimon
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# Compilation Flags
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#
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# Display all warnings. Compile functions and data into their own sections so
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# they can be discarded if unused. The linker performs garbage collection of
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# unused input sections.
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#
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CFLAGS += $(COMPILATION_FLAGS) -Wall -Wextra $(ACCEPT_WARN) -std=gnu99 \
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-ffunction-sections -fdata-sections $(ARCH_FLAGS)
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ASFLAGS += -Wall $(ARCH_FLAGS) -a=/dev/null
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LDFLAGS += $(COMPILATION_FLAGS) $(LINKER_FLAGS) -Wextra $(ARCH_FLAGS)
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# Compilation Defines
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#
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# These are available for use as macros
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#
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ifdef TARGET_CHIP
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CFLAGS += -D$(TARGET_CHIP) -D__$(TARGET_CHIP)__
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endif
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ifdef SEMIHOSTING
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CFLAGS += -D__SEMIHOSTING__
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endif
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# Startup and system code
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#
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#
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SYSTEM ?= chip/system_samd20.c chip/startup_samd20.c
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INCLUDE_PATH += chip/ chip/cmsis/ samd20/ samd20/component/ test/tc/
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# Verification suite code
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#
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#
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SYSTEM += test/tmain.c
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# Linker Scripts
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#
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#
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LINKERS ?= chip/$(shell echo $(TARGET_CHIP) | $(TR) A-Z a-z).ld chip/sections.ld
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# Our compilation target
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#
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#
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TARGET := $(OUTPUT_PATH)$(PROJECT_NAME)
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# Build our list of all our sources
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#
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# The entirety of the source directory are included, along with
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# everything in certain directories in the SDK. This has security
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# implications: Anything that makes it into your source tree will get
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# compiled and linked into your binary.
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#
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VPATH = $(SOURCE_PATH)
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TREE_SOURCES = $(shell $(FIND) $(SOURCE_TREE) -name '*.[csS]')
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SOURCES = $(SYSTEM) $(TREE_SOURCES)
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# Translate this list of sources into a list of required objects in
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# the output directory.
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objects = $(patsubst %.c,%.o,$(patsubst %.s,%.o,$(patsubst %.S,%.o, \
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$(SOURCES))))
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OBJECTS = $(addprefix $(OUTPUT_PATH),$(objects))
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# Assemble a list of c and h files that are used in this project
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#
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TAGFILES = $(SOURCES) $(shell $(CAT) $(OBJECTS:.o=.d) \
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| $(SED) -n '/^.*\.h:/p' | $(SED) 's/://g')
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# Default target
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#
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#
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all: $(TARGET).elf etags
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# Rule for generating object and dependancy files from source files.
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#
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# Creates a directory in the output tree if nessesary. File is only
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# compiled, not linked. Dependancy generation is automatic, but only
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# for user header files. Every depandancy in the .d is appended to the
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# .d as a target, so that if they stop existing the corresponding
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# object file will be re-compiled.
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#
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$(OUTPUT_PATH)%.o: %.c
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@$(ECHO)
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@$(ECHO) 'Compiling $<...'
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@$(MKDIR) $(OUTPUT_PATH)$(dir $<)
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$(CC) -c -MMD -MP $(CPPFLAGS) $(CFLAGS) $(addprefix -I,$(INCLUDE_PATH)) -o $@ $<
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# Attempt to include the dependancy makefiles for every object in this makefile.
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#
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# This means that object files depend on the header files they include.
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#
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-include $(OBJECTS:.o=.d)
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# Rule for generating object files from assembler files
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#
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# Creates a directory in the output tree if nessesary. The file is only
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# assembled, not linked.
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#
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$(OUTPUT_PATH)%.o: %.s
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@$(ECHO)
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@$(ECHO) 'Assembling $<...'
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@$(MKDIR) $(OUTPUT_PATH)$(dir $<)
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$(AS) $(ASFLAGS) -o $@ $<
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# Generate the main build artifact.
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#
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# A .elf containing all the symbols (i.e. debugging information if the compiler
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# / linker was run with -g) is created, alongside an intel hex file. A just
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# about human-readable .map is also created.
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#
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$(TARGET).elf: $(OBJECTS) $(LINKERS) gdbscript Makefile config.mk
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@$(ECHO)
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@$(ECHO) 'Linking $@...'
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$(CC) $(LDFLAGS) $(addprefix -T,$(LINKERS)) -Wl,-Map,$(@:.elf=.map) -o $@ $(OBJECTS)
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@$(OBJCOPY) -O binary $@ $(@:.elf=.bin)
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@$(OBJCOPY) -O ihex $@ $(@:.elf=.hex)
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@$(ECHO)
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$(SIZE) $@
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@$(ECHO)
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@$(SIZE) $@ | tail -1 - \
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| awk '{print "ROM Usage: "int(($$1+$$2)/10.24)/100"K"}'
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@$(SIZE) $@ | tail -1 - \
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| awk '{print "RAM Usage: "int(($$2+$$3)/10.24)/100"K"}'
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@$(ECHO)
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# Creates debugging command list for gdb
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#
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# These tell gdb which file to debug and which debugger to use
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#
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gdbscript: Makefile config.mk
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@$(ECHO) "# Load our .elf file into GDB" > gdbscript
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@$(ECHO) "file $(TARGET).elf" >> gdbscript
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ifdef BLACKMAGIC_PATH
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@$(ECHO) "# Connect to a specified blackmagic" >> gdbscript
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@$(ECHO) "target extended-remote $(BLACKMAGIC_PATH)" >> gdbscript
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endif
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# Prints a list of symlinks to a device
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#
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# Use it like `make print-symlinks DEVICE=/dev/ttyACM0`
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#
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.PHONY: print-symlinks
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print-symlinks:
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@$(ECHO) 'Symlinks to $(DEVICE):'
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@udevadm info --query symlink -n $(DEVICE) | \
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$(SED) -e 's/ /\n/' | $(SED) -e 's/^/\t/'
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# Generates an etags file for the project
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#
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#
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etags: $(TAGFILES)
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@$(ECHO) "Generating ETAGS..."
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@etags $^
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# Launches emacs with all the files used for this project
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#
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.PHONY: emacs
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emacs:
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@emacs $(TAGFILES) Makefile config.mk README.md
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# Test
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#
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TESTCASES := $(shell $(FIND) test/tc -name '*.[h]')
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.PHONY: test
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test: test/main.py all
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@echo "Running tests..."
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@echo $(tc) > test/.testcommand
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ifdef tc-gdb-info
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$(DB) -q -x test/tests.py
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else
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@>/dev/null $(DB) -q -x test/tests.py
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endif
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# Ctypesgen for test
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test/main.py: test/tmain.c $(TESTCASES)
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@echo "Generating Python Wrappers...."
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@echo
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test/ctypesgen/ctypesgen.py -o $@ \
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--cpp="$(CC) -E -DCTYPESGEN $(CPPFLAGS) $(CFLAGS) \
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$(addprefix -I,$(INCLUDE_PATH))" $^
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# Removes everything in the output directory
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#
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#
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#
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.PHONY: clean
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clean:
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$(RM) $(OUTPUT_PATH)*
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$(RM) gdbscript
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$(RM) TAGS
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$(RM) test/main.py*
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