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66 lines
2.0 KiB
Makefile
66 lines
2.0 KiB
Makefile
# This CPU implementation is using the new core/CPU interface:
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export CFLAGS += -DCOREIF_NG=1
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# Tell the build system that the CPU depends on the Cortex-M common files:
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export USEMODULE += cortexm_common
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# Export the peripheral drivers to be linked into the final binary:
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export USEMODULE += periph
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# all cortex MCU's use newlib as libc
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export USEMODULE += newlib
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# set default for CPU_MODEL
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export CPU_MODEL ?= $(CPU)
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# export the CPU model and architecture
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MODEL = $(shell echo $(CPU_MODEL) | tr 'a-z' 'A-Z')
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export CFLAGS += -DCPU_MODEL_$(MODEL)
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ARCH = $(shell echo $(CPU_ARCH) | tr 'a-z-' 'A-Z_')
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export CFLAGS += -DCPU_ARCH_$(ARCH)
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# set the compiler specific CPU and FPU options
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ifeq ($(CPU_ARCH),cortex-m4f)
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# TODO: enable hard floating points for the M4F once the context save/restore
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# code is adjusted to take care of FPU registers
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#export CFLAGS_FPU += -mfloat-abi=hard -mfpu=fpv4-sp-d16
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export MCPU := cortex-m4
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endif
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CFLAGS_FPU ?= -mfloat-abi=soft
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export MCPU ?= $(CPU_ARCH)
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# CMSIS DSP needs to know about the CPU core
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ifneq (,$(filter cmsis-dsp,$(USEPKG)))
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# definition needed to use cmsis-dsp headers
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ifeq ($(CPU_ARCH),cortex-m0)
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export CFLAGS += -DARM_MATH_CM0
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else ifeq ($(CPU_ARCH),cortex-m0plus)
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export CFLAGS += -DARM_MATH_CM0PLUS
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else ifeq ($(CPU_ARCH),cortex-m3)
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export CFLAGS += -DARM_MATH_CM3
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else ifeq ($(CPU_ARCH),cortex-m4)
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export CFLAGS += -DARM_MATH_CM4
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else ifeq ($(CPU_ARCH),cortex-m4f)
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export CFLAGS += -DARM_MATH_CM4
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else ifeq ($(CPU_ARCH),cortex-m7)
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export CFLAGS += -DARM_MATH_CM7
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endif
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endif
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# Include CPU specific includes:
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export INCLUDES += -I$(RIOTCPU)/$(CPU)/include
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# Explicitly tell the linker to link the startup code.
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# Without this the interrupt vectors will not be linked correctly!
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ifeq ($(COMMON_STARTUP),)
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export UNDEF += $(BINDIR)cpu/vectors.o
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endif
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# CPU depends on the cortex-m common module, so include it:
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include $(RIOTCPU)/cortexm_common/Makefile.include
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# Avoid overriding the default rule:
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all:
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# Rule to generate assembly listings from ELF files:
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%.lst: %.elf
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$(OBJDUMP) $(OBJDUMPFLAGS) $< > $@
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