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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 .
*/
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# ifndef __ASM_CACHEOPS_H
# define __ASM_CACHEOPS_H
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/*
* 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
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# define Cache_V 0x02 /* Loongson-3 */
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# 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
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/*
* Cache Operations available on all MIPS processors with R4000 - style caches
*/
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# 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)
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/*
* R4000 - specific cacheops
*/
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# 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)
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/*
* R4000SC and R4400SC - specific cacheops
*/
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# 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)
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/*
* R5000 - specific cacheops
*/
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# define R5K_Page_Invalidate_S (Cache_S | 0x14)
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/*
* RM7000 - specific cacheops
*/
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# 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)
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/*
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* R10000 - specific cacheops
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*
* Cacheops 0x02 , 0x06 , 0x0a , 0x0c - 0x0e , 0x16 , 0x1a and 0x1e are unused .
* Most of the _S cacheops are identical to the R4000SC _SD cacheops .
*/
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# 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)
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# define Cache_Barrier 0x14
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# 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)
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/*
* Loongson2 - specific cacheops
*/
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# define Hit_Invalidate_I_Loongson2 (Cache_I | 0x00)
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/*
* Loongson3 - specific cacheops
*/
# define Index_Writeback_Inv_V (Cache_V | Index_Writeback_Inv)
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# endif /* __ASM_CACHEOPS_H */