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/*
* Cache operations for the cache instruction.
*
* 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.
*
* (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
* (C) Copyright 1999 Silicon Graphics, Inc.
*/
#ifndef __ASM_CACHEOPS_H
#define __ASM_CACHEOPS_H
/*
* Most cache ops are split into a 2 bit field identifying the cache, and a 3
* bit field identifying the cache operation.
*/
#define CacheOp_Cache 0x03
#define CacheOp_Op 0x1c
#define Cache_I 0x00
#define Cache_D 0x01
#define Cache_T 0x02
#define Cache_V 0x02 /* Loongson-3 */
#define Cache_S 0x03
#define Index_Writeback_Inv 0x00
#define Index_Load_Tag 0x04
#define Index_Store_Tag 0x08
#define Hit_Invalidate 0x10
#define Hit_Writeback_Inv 0x14 /* not with Cache_I though */
#define Hit_Writeback 0x18
/*
* Cache Operations available on all MIPS processors with R4000-style caches
*/
#define Index_Invalidate_I (Cache_I | Index_Writeback_Inv)
#define Index_Writeback_Inv_D (Cache_D | Index_Writeback_Inv)
#define Index_Load_Tag_I (Cache_I | Index_Load_Tag)
#define Index_Load_Tag_D (Cache_D | Index_Load_Tag)
#define Index_Store_Tag_I (Cache_I | Index_Store_Tag)
#define Index_Store_Tag_D (Cache_D | Index_Store_Tag)
#define Hit_Invalidate_I (Cache_I | Hit_Invalidate)
#define Hit_Invalidate_D (Cache_D | Hit_Invalidate)
#define Hit_Writeback_Inv_D (Cache_D | Hit_Writeback_Inv)
/*
* R4000-specific cacheops
*/
#define Create_Dirty_Excl_D (Cache_D | 0x0c)
#define Fill (Cache_I | 0x14)
#define Hit_Writeback_I (Cache_I | Hit_Writeback)
#define Hit_Writeback_D (Cache_D | Hit_Writeback)
/*
* R4000SC and R4400SC-specific cacheops
*/
#define Cache_SI 0x02
#define Cache_SD 0x03
#define Index_Invalidate_SI (Cache_SI | Index_Writeback_Inv)
#define Index_Writeback_Inv_SD (Cache_SD | Index_Writeback_Inv)
#define Index_Load_Tag_SI (Cache_SI | Index_Load_Tag)
#define Index_Load_Tag_SD (Cache_SD | Index_Load_Tag)
#define Index_Store_Tag_SI (Cache_SI | Index_Store_Tag)
#define Index_Store_Tag_SD (Cache_SD | Index_Store_Tag)
#define Create_Dirty_Excl_SD (Cache_SD | 0x0c)
#define Hit_Invalidate_SI (Cache_SI | Hit_Invalidate)
#define Hit_Invalidate_SD (Cache_SD | Hit_Invalidate)
#define Hit_Writeback_Inv_SD (Cache_SD | Hit_Writeback_Inv)
#define Hit_Writeback_SD (Cache_SD | Hit_Writeback)
#define Hit_Set_Virtual_SI (Cache_SI | 0x1c)
#define Hit_Set_Virtual_SD (Cache_SD | 0x1c)
/*
* R5000-specific cacheops
*/
#define R5K_Page_Invalidate_S (Cache_S | 0x14)
/*
* RM7000-specific cacheops
*/
#define Page_Invalidate_T (Cache_T | 0x14)
#define Index_Store_Tag_T (Cache_T | Index_Store_Tag)
#define Index_Load_Tag_T (Cache_T | Index_Load_Tag)
/*
* R10000-specific cacheops
*
* Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
* Most of the _S cacheops are identical to the R4000SC _SD cacheops.
*/
#define Index_Writeback_Inv_S (Cache_S | Index_Writeback_Inv)
#define Index_Load_Tag_S (Cache_S | Index_Load_Tag)
#define Index_Store_Tag_S (Cache_S | Index_Store_Tag)
#define Hit_Invalidate_S (Cache_S | Hit_Invalidate)
#define Cache_Barrier 0x14
#define Hit_Writeback_Inv_S (Cache_S | Hit_Writeback_Inv)
#define Index_Load_Data_I (Cache_I | 0x18)
#define Index_Load_Data_D (Cache_D | 0x18)
#define Index_Load_Data_S (Cache_S | 0x18)
#define Index_Store_Data_I (Cache_I | 0x1c)
#define Index_Store_Data_D (Cache_D | 0x1c)
#define Index_Store_Data_S (Cache_S | 0x1c)
/*
* Loongson2-specific cacheops
*/
#define Hit_Invalidate_I_Loongson2 (Cache_I | 0x00)
/*
* Loongson3-specific cacheops
*/
#define Index_Writeback_Inv_V (Cache_V | Index_Writeback_Inv)
#endif /* __ASM_CACHEOPS_H */
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