1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 1994, 1995, 1996 by Ralf Baechle 4 */ 5 #ifndef _ASM_CACHECTL 6 #define _ASM_CACHECTL 7 8 /* 9 * Options for cacheflush system call 10 */ 11 #define ICACHE (1<<0) /* flush instruction cache */ 12 #define DCACHE (1<<1) /* writeback and flush data cache */ 13 #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 14 15 /* 16 * Caching modes for the cachectl(2) call 17 * 18 * cachectl(2) is currently not supported and returns ENOSYS. 19 */ 20 #define CACHEABLE 0 /* make pages cacheable */ 21 #define UNCACHEABLE 1 /* make pages uncacheable */ 22 23 #endif /* _ASM_CACHECTL */ 24
