33 lines
933 B
Makefile
33 lines
933 B
Makefile
# -*- makefile -*-
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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Cortex-M4 core OS files build
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#
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# Select ARMv7-m bare-metal toolchain
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$(call set-option,CROSS_COMPILE,$(CROSS_COMPILE_arm),arm-none-eabi-)
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# FPU compilation flags
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CFLAGS_FPU-$(CONFIG_FPU)=-mfpu=fpv4-sp-d16 -mfloat-abi=hard
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# CPU specific compilation flags
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CFLAGS_CPU+=-mthumb -Os -mno-sched-prolog
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CFLAGS_CPU+=-mno-unaligned-access
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CFLAGS_CPU+=$(CFLAGS_FPU-y)
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ifneq ($(CONFIG_LTO),)
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CFLAGS_CPU+=-flto
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LDFLAGS_EXTRA+=-flto
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endif
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core-y=cpu.o init.o ldivmod.o llsr.o uldivmod.o vecttable.o
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core-$(CONFIG_AES)+=aes.o
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core-$(CONFIG_AES_GCM)+=ghash.o
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core-$(CONFIG_ARMV7M_CACHE)+=cache.o
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core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o
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core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o
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core-$(CONFIG_WATCHDOG)+=watchdog.o
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core-$(CONFIG_MPU)+=mpu.o
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