1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994, 1995, 1996 by Ralf Baechle 7 */ 8 #ifndef _ASM_CACHECTL 9 #define _ASM_CACHECTL 10 11 /* 12 * Options for cacheflush system call 13 */ 14 #define ICACHE (1<<0) /* flush instruction cache */ 15 #define DCACHE (1<<1) /* writeback and flush data cache */ 16 #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 17 18 /* 19 * Caching modes for the cachectl(2) call 20 * 21 * cachectl(2) is currently not supported and returns ENOSYS. 22 */ 23 #define CACHEABLE 0 /* make pages cacheable */ 24 #define UNCACHEABLE 1 /* make pages uncacheable */ 25 26 #endif /* _ASM_CACHECTL */ 27
