diff options
Diffstat (limited to 'arch/sh/include/uapi/asm/cachectl.h')
-rw-r--r-- | arch/sh/include/uapi/asm/cachectl.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sh/include/uapi/asm/cachectl.h b/arch/sh/include/uapi/asm/cachectl.h new file mode 100644 index 000000000..79c566325 --- /dev/null +++ b/arch/sh/include/uapi/asm/cachectl.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _SH_CACHECTL_H +#define _SH_CACHECTL_H + +/* Definitions for the cacheflush system call. */ + +#define CACHEFLUSH_D_INVAL 0x1 /* invalidate (without write back) */ +#define CACHEFLUSH_D_WB 0x2 /* write back (without invalidate) */ +#define CACHEFLUSH_D_PURGE 0x3 /* writeback and invalidate */ + +#define CACHEFLUSH_I 0x4 + +/* + * Options for cacheflush system call + */ +#define ICACHE CACHEFLUSH_I /* flush instruction cache */ +#define DCACHE CACHEFLUSH_D_PURGE /* writeback and flush data cache */ +#define BCACHE (ICACHE|DCACHE) /* flush both caches */ + +#endif /* _SH_CACHECTL_H */ |