projects/linux·blob master · refs

28 lines · 1.1 KiB

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 */