mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
9968280705
Cortex-M processors only support Thumb instructions (no ARM mode code). Signed-off-by: Joakim Gebart <joakim.gebart@eistec.se>
53 lines
1.9 KiB
Makefile
53 lines
1.9 KiB
Makefile
# define the cpu used by the udoo board
|
|
export CPU = sam3x8e
|
|
|
|
# define tools used for building the project
|
|
export PREFIX = arm-none-eabi-
|
|
export CC = $(PREFIX)gcc
|
|
export CXX = $(PREFIX)g++
|
|
export AR = $(PREFIX)ar
|
|
export AS = $(PREFIX)as
|
|
export LINK = $(PREFIX)gcc
|
|
export SIZE = $(PREFIX)size
|
|
export OBJCOPY = $(PREFIX)objcopy
|
|
export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
|
|
|
|
#define the flash-tool and default port depending on the host operating system
|
|
OS := $(shell uname)
|
|
ifeq ($(OS),Linux)
|
|
PORT ?= /dev/ttyUSB0
|
|
FLASHER = $(RIOTBOARD)/$(BOARD)/dist/bossac_udoo
|
|
else ifeq ($(OS),Darwin)
|
|
PORT = /dev/tty.SLAB_USBtoUART
|
|
FLASHER = $(RIOTBOARD)/$(BOARD)/dist/bossac_udoo_osx
|
|
else
|
|
$(info CAUTION: No flash tool for your host system found!)
|
|
# TODO: add support for windows as host platform
|
|
endif
|
|
export FLASHER
|
|
export PORT
|
|
|
|
# define build specific options
|
|
export CPU_USAGE = -mcpu=cortex-m3
|
|
export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mno-thumb-interwork -nostartfiles
|
|
export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
|
|
export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
|
|
export LINKFLAGS += -g3 -ggdb -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mno-thumb-interwork -nostartfiles
|
|
# linkerscript specified in cpu/Makefile.include
|
|
export LINKFLAGS += -T$(LINKERSCRIPT)
|
|
export OFLAGS += -O binary
|
|
export FFLAGS += -R -e -w -v -b bin/$(BOARD)/$(APPLICATION).hex
|
|
export TERMFLAGS += -p "$(PORT)"
|
|
|
|
# unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
|
|
export CXXUWFLAGS +=
|
|
export CXXEXFLAGS +=
|
|
|
|
# use the nano-specs of the NewLib when available
|
|
ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
|
|
export LINKFLAGS += -specs=nano.specs -lc -lnosys
|
|
endif
|
|
|
|
# export board specific includes to the global includes-listing
|
|
export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include
|