uboot/u-boot-stm32mp-2020.01/arch/mips/include/asm/cachectl.h

24 lines
615 B
C
Raw Permalink Normal View History

2024-01-10 06:52:34 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
*/
#ifndef _ASM_CACHECTL
#define _ASM_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_CACHECTL */