xref: /linux/arch/sh/include/uapi/asm/cpu-features.h (revision e7d759f31ca295d589f7420719c311870bb3166f)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_SH_CPU_FEATURES_H
3 #define __ASM_SH_CPU_FEATURES_H
4 
5 /*
6  * Processor flags
7  *
8  * Note: When adding a new flag, keep cpu_flags[] in
9  * arch/sh/kernel/setup.c in sync so symbolic name
10  * mapping of the processor flags has a chance of being
11  * reasonably accurate.
12  *
13  * These flags are also available through the ELF
14  * auxiliary vector as AT_HWCAP.
15  */
16 #define CPU_HAS_FPU		0x0001	/* Hardware FPU support */
17 #define CPU_HAS_P2_FLUSH_BUG	0x0002	/* Need to flush the cache in P2 area */
18 #define CPU_HAS_MMU_PAGE_ASSOC	0x0004	/* SH3: TLB way selection bit support */
19 #define CPU_HAS_DSP		0x0008	/* SH-DSP: DSP support */
20 #define CPU_HAS_PERF_COUNTER	0x0010	/* Hardware performance counters */
21 #define CPU_HAS_PTEA		0x0020	/* PTEA register */
22 #define CPU_HAS_LLSC		0x0040	/* movli.l/movco.l */
23 #define CPU_HAS_L2_CACHE	0x0080	/* Secondary cache / URAM */
24 #define CPU_HAS_OP32		0x0100	/* 32-bit instruction support */
25 #define CPU_HAS_PTEAEX		0x0200	/* PTE ASID Extension support */
26 #define CPU_HAS_CAS_L		0x0400	/* cas.l atomic compare-and-swap */
27 
28 #endif /* __ASM_SH_CPU_FEATURES_H */
29