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Diffstat (limited to 'arch/tile/include/uapi/asm/cachectl.h')
-rw-r--r-- | arch/tile/include/uapi/asm/cachectl.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/tile/include/uapi/asm/cachectl.h b/arch/tile/include/uapi/asm/cachectl.h deleted file mode 100644 index ed8bac28a1b9..000000000000 --- a/arch/tile/include/uapi/asm/cachectl.h +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * Copyright 2011 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -#ifndef _ASM_TILE_CACHECTL_H -#define _ASM_TILE_CACHECTL_H - -/* - * Options for cacheflush system call. - * - * The ICACHE flush is performed on all cores currently running the - * current process's address space. The intent is for user - * applications to be able to modify code, invoke the system call, - * then allow arbitrary other threads in the same address space to see - * the newly-modified code. Passing a length of CHIP_L1I_CACHE_SIZE() - * or more invalidates the entire icache on all cores in the address - * spaces. (Note: currently this option invalidates the entire icache - * regardless of the requested address and length, but we may choose - * to honor the arguments at some point.) - * - * Flush and invalidation of memory can normally be performed with the - * __insn_flush() and __insn_finv() instructions from userspace. - * The DCACHE option to the system call allows userspace - * to flush the entire L1+L2 data cache from the core. In this case, - * the address and length arguments are not used. The DCACHE flush is - * restricted to the current core, not all cores in the address space. - */ -#define ICACHE (1<<0) /* invalidate L1 instruction cache */ -#define DCACHE (1<<1) /* flush and invalidate data cache */ -#define BCACHE (ICACHE|DCACHE) /* flush both caches */ - -#endif /* _ASM_TILE_CACHECTL_H */ |