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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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