27 lines
760 B
Makefile
27 lines
760 B
Makefile
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# -*- makefile -*-
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# Copyright 2013 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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# Andestar v3m architecture core OS files build
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#
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# Set coreboot-sdk as the default toolchain for nds32
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NDS32_DEFAULT_COMPILE=/opt/coreboot-sdk/bin/nds32le-elf-
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# Select Andes bare-metal toolchain
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$(call set-option,CROSS_COMPILE,$(CROSS_COMPILE_nds32),$(NDS32_DEFAULT_COMPILE))
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# CPU specific compilation flags
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CFLAGS_CPU+=-march=v3m -Os
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LDFLAGS_EXTRA+=-mrelax
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ifneq ($(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 panic.o task.o switch.o __muldi3.o math.o __builtin.o
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core-y+=__divdi3.o __udivdi3.o
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core-$(CONFIG_FPU)+=__libsoftfpu.o
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