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https://github.com/AsahiLinux/u-boot
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1db706edcd
All vector instructions on powerpc mpc85xx must not be used because U-Boot does not enable them. Usage cause random crashes. SPE vector instructions are already disabled by compiler flags, so disable also AltiVec and VSX vector instructions. Linux kernel disables AltiVec and VSX instructions too. Signed-off-by: Pali Rohár <pali@kernel.org>
28 lines
890 B
Makefile
28 lines
890 B
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2002,2003 Motorola Inc.
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# Xianghua Xiao, X.Xiao@motorola.com
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PLATFORM_CPPFLAGS += -msoft-float -mno-string
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PLATFORM_RELFLAGS += -msingle-pic-base -fno-jump-tables
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# No SPE instruction when building u-boot
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# (We use all available options to help semi-broken compilers)
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# see "[PATCH,rs6000] make -mno-spe work as expected" on
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# http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00311.html
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PLATFORM_CPPFLAGS += $(call cc-option,-mno-spe) \
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$(call cc-option,-mspe=no)
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# No AltiVec or VSX instructions when building u-boot
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PLATFORM_CPPFLAGS += $(call cc-option,-mno-altivec)
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PLATFORM_CPPFLAGS += $(call cc-option,-mno-vsx)
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ifdef CONFIG_E6500
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PLATFORM_CPPFLAGS += -mcpu=e6500
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else ifdef CONFIG_E5500
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PLATFORM_CPPFLAGS += -mcpu=e5500
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else ifdef CONFIG_E500MC
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PLATFORM_CPPFLAGS += -mcpu=e500mc
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else
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PLATFORM_CPPFLAGS += -mcpu=8540
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endif
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