cache.h
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上传日期:2013-04-10
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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1997, 98, 99, 2000 Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
- #ifndef _ASM_CACHE_H
- #define _ASM_CACHE_H
- #include <linux/config.h>
- #ifndef __ASSEMBLY__
- /*
- * Descriptor for a cache
- */
- struct cache_desc {
- int linesz;
- int sets;
- int ways;
- int flags; /* Details like write thru/back, coherent, etc. */
- };
- #endif /* !__ASSEMBLY__ */
- /*
- * Flag definitions
- */
- #define MIPS_CACHE_NOT_PRESENT 0x00000001
- #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_R6000) || defined(CONFIG_CPU_TX39XX)
- #define L1_CACHE_BYTES 16
- #else
- #define L1_CACHE_BYTES 32 /* A guess */
- #endif
- #define SMP_CACHE_BYTES L1_CACHE_BYTES
- #endif /* _ASM_CACHE_H */