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 */ 28