PageRenderTime 20ms CodeModel.GetById 10ms app.highlight 4ms RepoModel.GetById 1ms app.codeStats 1ms

/arch/sh/include/asm/cache.h

http://github.com/mirrors/linux
C Header | 48 lines | 23 code | 8 blank | 17 comment | 0 complexity | cff562f3e6a5ac3c2123d4181a84f0f7 MD5 | raw file
 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* $Id: cache.h,v 1.6 2004/03/11 18:08:05 lethal Exp $
 3 *
 4 * include/asm-sh/cache.h
 5 *
 6 * Copyright 1999 (C) Niibe Yutaka
 7 * Copyright 2002, 2003 (C) Paul Mundt
 8 */
 9#ifndef __ASM_SH_CACHE_H
10#define __ASM_SH_CACHE_H
11#ifdef __KERNEL__
12
13#include <linux/init.h>
14#include <cpu/cache.h>
15
16#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
17
18#define __read_mostly __attribute__((__section__(".data..read_mostly")))
19
20#ifndef __ASSEMBLY__
21struct cache_info {
22	unsigned int ways;		/* Number of cache ways */
23	unsigned int sets;		/* Number of cache sets */
24	unsigned int linesz;		/* Cache line size (bytes) */
25
26	unsigned int way_size;		/* sets * line size */
27
28	/*
29	 * way_incr is the address offset for accessing the next way
30	 * in memory mapped cache array ops.
31	 */
32	unsigned int way_incr;
33	unsigned int entry_shift;
34	unsigned int entry_mask;
35
36	/*
37	 * Compute a mask which selects the address bits which overlap between
38	 * 1. those used to select the cache set during indexing
39	 * 2. those in the physical page number.
40	 */
41	unsigned int alias_mask;
42	unsigned int n_aliases;		/* Number of aliases */
43
44	unsigned long flags;
45};
46#endif /* __ASSEMBLY__ */
47#endif /* __KERNEL__ */
48#endif /* __ASM_SH_CACHE_H */