| /* |
| * 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 */ |
