mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
25 lines
658 B
C
25 lines
658 B
C
|
/*
|
||
|
|
* cachectl.h -- defines for MIPS cache control system calls
|
||
|
|
*
|
||
|
|
* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_MIPS_CACHECTL
|
||
|
|
#define __ASM_MIPS_CACHECTL
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Options for cacheflush system call
|
||
|
|
*/
|
||
|
|
#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_MIPS_CACHECTL */
|