# This CPU implementation is using the new core/CPU interface:
export CFLAGS += -DCOREIF_NG=1

# CPU model specifics
ifeq ($(CORTEX),cortex-m4)
export CFLAGS_FPU += -mfloat-abi=hard -mfpu=fpv4-sp-d16
endif

# Tell the build system that the CPU depends on the Cortex-M common files:
export USEMODULE += $(CORTEX)_common

# all cortex MCU's use newlib as libc
export USEMODULE += newlib

# some CPU's don't define a model
export CPU_MODEL ?= $(CPU)

# Define the linker script to use for this CPU:
export LINKERSCRIPT ?= $(RIOTCPU)/$(CPU)/$(CPU_MODEL)_linkerscript.ld

# Export the CPU model:
MODEL = $(shell echo $(CPU_MODEL) | tr 'a-z' 'A-Z')
export CFLAGS += -DCPU_MODEL_$(MODEL)

# Include CPU specific includes:
export INCLUDES += -I$(RIOTCPU)/$(CPU)/include

# Explicitly tell the linker to link the startup code.
#   Without this the interrupt vectors will not be linked correctly!
export UNDEF += $(BINDIR)cpu/startup.o

# Export the peripheral drivers to be linked into the final binary:
export USEMODULE += periph

# cortex common directory
export CORTEX_COMMON := $(RIOTCPU)/$(CORTEX)_common

# CPU depends on the cortex-m common module, so include it:
include $(CORTEX_COMMON)/Makefile.include

# Avoid overriding the default rule:
all:

# Rule to generate assembly listings from ELF files:
%.lst: %.elf
	$(OBJDUMP) $(OBJDUMPFLAGS) $< > $@