1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public 4*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive 5*4882a593Smuzhiyun * for more details. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 1994, 1995, 1996 by Ralf Baechle 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #ifndef _ASM_CACHECTL 10*4882a593Smuzhiyun #define _ASM_CACHECTL 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* 13*4882a593Smuzhiyun * Options for cacheflush system call 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun #define ICACHE (1<<0) /* flush instruction cache */ 16*4882a593Smuzhiyun #define DCACHE (1<<1) /* writeback and flush data cache */ 17*4882a593Smuzhiyun #define BCACHE (ICACHE|DCACHE) /* flush both caches */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * Caching modes for the cachectl(2) call 21*4882a593Smuzhiyun * 22*4882a593Smuzhiyun * cachectl(2) is currently not supported and returns ENOSYS. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun #define CACHEABLE 0 /* make pages cacheable */ 25*4882a593Smuzhiyun #define UNCACHEABLE 1 /* make pages uncacheable */ 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #endif /* _ASM_CACHECTL */ 28