File: /usr/src/linux/include/asm-mips/cache.h

1     /*
2      * This file is subject to the terms and conditions of the GNU General Public
3      * License.  See the file "COPYING" in the main directory of this archive
4      * for more details.
5      *
6      * Copyright (C) 1997, 98, 99, 2000 Ralf Baechle
7      * Copyright (C) 1999 Silicon Graphics, Inc.
8      */
9     #ifndef _ASM_CACHE_H
10     #define _ASM_CACHE_H
11     
12     #include <linux/config.h>
13     
14     #ifndef _LANGUAGE_ASSEMBLY
15     /*
16      * Descriptor for a cache
17      */
18     struct cache_desc {
19     	int linesz;
20     	int sets;
21     	int ways;
22     	int flags;	/* Details like write thru/back, coherent, etc. */
23     };
24     #endif
25     
26     /*
27      * Flag definitions
28      */
29     #define MIPS_CACHE_NOT_PRESENT 0x00000001
30     
31     #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_R6000)
32     #define L1_CACHE_BYTES		16
33     #else
34     #define L1_CACHE_BYTES 		32	/* A guess */
35     #endif
36     
37     #define SMP_CACHE_BYTES		L1_CACHE_BYTES
38     
39     #endif /* _ASM_CACHE_H */
40