|  | /* | 
|  | * cachectl.h -- defines for M32R cache control system calls | 
|  | * | 
|  | * Copyright (C) 2003 by Kazuhiro Inaoka | 
|  | */ | 
|  | #ifndef	__ASM_M32R_CACHECTL | 
|  | #define	__ASM_M32R_CACHECTL | 
|  |  | 
|  | /* | 
|  | * Options for cacheflush system call | 
|  | * | 
|  | * cacheflush() is currently fluch_cache_all(). | 
|  | */ | 
|  | #define	ICACHE	(1<<0)		/* flush instruction cache        */ | 
|  | #define	DCACHE	(1<<1)		/* writeback and flush data cache */ | 
|  | #define	BCACHE	(ICACHE|DCACHE)	/* flush both caches              */ | 
|  |  | 
|  | /* | 
|  | * Caching modes for the cachectl(2) call | 
|  | * | 
|  | * cachectl(2) is currently not supported and returns ENOSYS. | 
|  | */ | 
|  | #define CACHEABLE	0	/* make pages cacheable */ | 
|  | #define UNCACHEABLE	1	/* make pages uncacheable */ | 
|  |  | 
|  | #endif	/* __ASM_M32R_CACHECTL */ |