Fix build for O32 systems without a TARGET_CPUTYPE defined. We must default to
MIPS-III because FreeBSD relies on a number of MIPS-III features; the ABI default would be MIPS-I which we don't intend to support. Our old default before I switched to using the ABI default was MIPS32.
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=208758
@ -49,6 +49,14 @@ MIPS_ABI_DEFAULT=ABI_64
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MIPS_ABI_DEFAULT?=ABI_32
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CFLAGS += -DMIPS_ABI_DEFAULT=${MIPS_ABI_DEFAULT}
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# If we are compiling for the O32 ABI, we need to default to MIPS-III rather
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# than taking the ISA from the ABI requirements, since FreeBSD is built with
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# a number of MIPS-III features/instructions and that is the minimum ISA we
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# support, not the O32 default MIPS-I.
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.if ${MIPS_ABI_DEFAULT} == "ABI_32"
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TARGET_CPUTYPE?=mips3
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.endif
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# GCC by default takes the ISA from the ABI's requirements. If world is built
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# with a superior ISA, since we lack multilib, we have to set the right
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# default ISA to be able to link against what's in /usr/lib. Terrible stuff.
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