1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _SH_CACHECTL_H
3 #define _SH_CACHECTL_H
4 
5 /* Definitions for the cacheflush system call.  */
6 
7 #define CACHEFLUSH_D_INVAL	0x1	/* invalidate (without write back) */
8 #define CACHEFLUSH_D_WB		0x2	/* write back (without invalidate) */
9 #define CACHEFLUSH_D_PURGE	0x3	/* writeback and invalidate */
10 
11 #define CACHEFLUSH_I		0x4
12 
13 /*
14  * Options for cacheflush system call
15  */
16 #define ICACHE	CACHEFLUSH_I		/* flush instruction cache */
17 #define DCACHE	CACHEFLUSH_D_PURGE	/* writeback and flush data cache */
18 #define BCACHE	(ICACHE|DCACHE)		/* flush both caches */
19 
20 #endif /* _SH_CACHECTL_H */
21