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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * cachectl.h -- defines for M32R cache control system calls
4 *
5 * Copyright (C) 2003 by Kazuhiro Inaoka
6 */
7#ifndef __ASM_M32R_CACHECTL
8#define __ASM_M32R_CACHECTL
9
10/*
11 * Options for cacheflush system call
12 *
13 * cacheflush() is currently fluch_cache_all().
14 */
15#define ICACHE (1<<0) /* flush instruction cache */
16#define DCACHE (1<<1) /* writeback and flush data cache */
17#define BCACHE (ICACHE|DCACHE) /* flush both caches */
18
19/*
20 * Caching modes for the cachectl(2) call
21 *
22 * cachectl(2) is currently not supported and returns ENOSYS.
23 */
24#define CACHEABLE 0 /* make pages cacheable */
25#define UNCACHEABLE 1 /* make pages uncacheable */
26
27#endif /* __ASM_M32R_CACHECTL */