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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
998 B
C
36 lines
998 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* CPU feature definitions for module loading, used by
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* module_cpu_feature_match(), see asm/cputable.h for powerpc CPU features.
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*
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* Copyright 2016 Alastair D'Silva, IBM Corporation.
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*/
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#ifndef __ASM_POWERPC_CPUFEATURE_H
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#define __ASM_POWERPC_CPUFEATURE_H
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#include <asm/cputable.h>
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/* Keep these in step with powerpc/include/asm/cputable.h */
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#define MAX_CPU_FEATURES (2 * 32)
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/*
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* Currently we don't have a need for any of the feature bits defined in
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* cpu_user_features. When we do, they should be defined such as:
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*
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* #define PPC_MODULE_FEATURE_32 (ilog2(PPC_FEATURE_32))
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*/
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#define PPC_MODULE_FEATURE_VEC_CRYPTO (32 + ilog2(PPC_FEATURE2_VEC_CRYPTO))
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#define cpu_feature(x) (x)
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static inline bool cpu_have_feature(unsigned int num)
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{
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if (num < 32)
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return !!(cur_cpu_spec->cpu_user_features & 1UL << num);
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else
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return !!(cur_cpu_spec->cpu_user_features2 & 1UL << (num - 32));
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}
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#endif /* __ASM_POWERPC_CPUFEATURE_H */
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