1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1994, 1995, 1996 by Ralf Baechle 8 */ 9 #ifndef _ASM_CACHECTL 10 #define _ASM_CACHECTL 11 12 /* 13 * Options for cacheflush system call 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_CACHECTL */ 28
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