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