9989f41fd3
- add arm64 dependent codes with GICv3 and SVE support - fix bugs based on architecture separation requests
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* compiler.h COPYRIGHT FUJITSU LIMITED 2015-2016 */
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#ifndef __ASM_COMPILER_H
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#define __ASM_COMPILER_H
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/* @ref.impl arch/arm64/include/asm/compiler.h::__asmeq(x,y) */
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/*
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* This is used to ensure the compiler did actually allocate the register we
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* asked it for some inline assembly sequences. Apparently we can't trust the
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* compiler from one version to another so a bit of paranoia won't hurt. This
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* string is meant to be concatenated with the inline asm string and will
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* cause compilation to stop on mismatch. (for details, see gcc PR 15089)
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*/
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#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t"
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/* @ref.impl include/linux/compiler.h::__section(S) */
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/* Simple shorthand for a section definition */
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# define __section(S) __attribute__ ((__section__(#S)))
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/* @ref.impl include/linux/compiler.h::__aligned(x) */
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/*
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* From the GCC manual:
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*
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* Many functions have no effects except the return value and their
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* return value depends only on the parameters and/or global
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* variables. Such a function can be subject to common subexpression
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* elimination and loop optimization just as an arithmetic operator
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* would be.
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* [...]
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*/
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#define __aligned(x) __attribute__((aligned(x)))
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#endif /* __ASM_COMPILER_H */
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