/* 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 */