xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/cpufeature.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * CPU feature definitions for module loading, used by
4*4882a593Smuzhiyun  * module_cpu_feature_match(), see uapi/asm/hwcap.h for MIPS CPU features.
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __ASM_CPUFEATURE_H
8*4882a593Smuzhiyun #define __ASM_CPUFEATURE_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <uapi/asm/hwcap.h>
11*4882a593Smuzhiyun #include <asm/elf.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap))
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define cpu_feature(x)		ilog2(HWCAP_ ## x)
16*4882a593Smuzhiyun 
cpu_have_feature(unsigned int num)17*4882a593Smuzhiyun static inline bool cpu_have_feature(unsigned int num)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	return elf_hwcap & (1UL << num);
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif /* __ASM_CPUFEATURE_H */
23