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# -*- makefile -*-
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Cortex-M0 core OS files build
#
# Select ARMv6-m compatible bare-metal toolchain
$(call set-option,CROSS_COMPILE,$(CROSS_COMPILE_arm),arm-none-eabi-)
# CPU specific compilation flags
CFLAGS_CPU+=-mthumb -Os -mno-sched-prolog
CFLAGS_CPU+=-mno-unaligned-access
ifneq ($(CONFIG_LTO),)
CFLAGS_CPU+=-flto
LDFLAGS_EXTRA+=-flto
endif
core-y=cpu.o init.o thumb_case.o div.o lmul.o ldivmod.o uldivmod.o
core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o
core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o
dirs-y += core/$(CORE)/curve25519
core-$(CONFIG_CURVE25519)+=curve25519/mpy121666.o
core-$(CONFIG_CURVE25519)+=curve25519/reduce25519.o
core-$(CONFIG_CURVE25519)+=curve25519/mul.o
core-$(CONFIG_CURVE25519)+=curve25519/scalarmult.o
core-$(CONFIG_CURVE25519)+=curve25519/sqr.o
core-$(CONFIG_WATCHDOG)+=watchdog.o
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