1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * CPU feature definitions for module loading, used by
4  * module_cpu_feature_match(), see uapi/asm/hwcap.h for LoongArch CPU features.
5  *
6  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
7  */
8 
9 #ifndef __ASM_CPUFEATURE_H
10 #define __ASM_CPUFEATURE_H
11 
12 #include <uapi/asm/hwcap.h>
13 #include <asm/elf.h>
14 
15 #define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap))
16 
17 #define cpu_feature(x)		ilog2(HWCAP_ ## x)
18 
19 static inline bool cpu_have_feature(unsigned int num)
20 {
21 	return elf_hwcap & (1UL << num);
22 }
23 
24 #endif /* __ASM_CPUFEATURE_H */
25