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linux/arch/powerpc/include/asm/cpufeature.h
Danny Tsen 1560541631 powerpc: Move Power10 feature PPC_MODULE_FEATURE_P10
Move Power10 feature, PPC_MODULE_FEATURE_P10, definition to be in
arch/powerpc/include/asm/cpufeature.h.

Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-04-20 18:20:05 +08:00

38 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* CPU feature definitions for module loading, used by
* module_cpu_feature_match(), see asm/cputable.h for powerpc CPU features.
*
* Copyright 2016 Alastair D'Silva, IBM Corporation.
*/
#ifndef __ASM_POWERPC_CPUFEATURE_H
#define __ASM_POWERPC_CPUFEATURE_H
#include <asm/cputable.h>
/* Keep these in step with powerpc/include/asm/cputable.h */
#define MAX_CPU_FEATURES (2 * 32)
/*
* Currently we don't have a need for any of the feature bits defined in
* cpu_user_features. When we do, they should be defined such as:
*
* #define PPC_MODULE_FEATURE_32 (ilog2(PPC_FEATURE_32))
*/
#define PPC_MODULE_FEATURE_VEC_CRYPTO (32 + ilog2(PPC_FEATURE2_VEC_CRYPTO))
#define PPC_MODULE_FEATURE_P10 (32 + ilog2(PPC_FEATURE2_ARCH_3_1))
#define cpu_feature(x) (x)
static inline bool cpu_have_feature(unsigned int num)
{
if (num < 32)
return !!(cur_cpu_spec->cpu_user_features & 1UL << num);
else
return !!(cur_cpu_spec->cpu_user_features2 & 1UL << (num - 32));
}
#endif /* __ASM_POWERPC_CPUFEATURE_H */