| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Cache operations for the cache instruction. |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle |
| 9 | * (C) Copyright 1999 Silicon Graphics, Inc. |
| 10 | */ |
| 11 | #ifndef __ASM_CACHEOPS_H |
| 12 | #define __ASM_CACHEOPS_H |
| 13 | |
| 14 | /* |
| 15 | * Cache Operations available on all MIPS processors with R4000-style caches |
| 16 | */ |
| 17 | #define Index_Invalidate_I 0x00 |
| 18 | #define Index_Writeback_Inv_D 0x01 |
| 19 | #define Index_Load_Tag_I 0x04 |
| 20 | #define Index_Load_Tag_D 0x05 |
| 21 | #define Index_Store_Tag_I 0x08 |
| 22 | #define Index_Store_Tag_D 0x09 |
| 23 | #define Hit_Invalidate_I 0x10 |
| 24 | #define Hit_Invalidate_D 0x11 |
| 25 | #define Hit_Writeback_Inv_D 0x15 |
| 26 | |
| 27 | /* |
| 28 | * R4000-specific cacheops |
| 29 | */ |
| 30 | #define Create_Dirty_Excl_D 0x0d |
| 31 | #define Fill 0x14 |
| 32 | #define Hit_Writeback_I 0x18 |
| 33 | #define Hit_Writeback_D 0x19 |
| 34 | |
| 35 | /* |
| 36 | * R4000SC and R4400SC-specific cacheops |
| 37 | */ |
| 38 | #define Index_Invalidate_SI 0x02 |
| 39 | #define Index_Writeback_Inv_SD 0x03 |
| 40 | #define Index_Load_Tag_SI 0x06 |
| 41 | #define Index_Load_Tag_SD 0x07 |
| 42 | #define Index_Store_Tag_SI 0x0A |
| 43 | #define Index_Store_Tag_SD 0x0B |
| 44 | #define Create_Dirty_Excl_SD 0x0f |
| 45 | #define Hit_Invalidate_SI 0x12 |
| 46 | #define Hit_Invalidate_SD 0x13 |
| 47 | #define Hit_Writeback_Inv_SD 0x17 |
| 48 | #define Hit_Writeback_SD 0x1b |
| 49 | #define Hit_Set_Virtual_SI 0x1e |
| 50 | #define Hit_Set_Virtual_SD 0x1f |
| 51 | |
| 52 | /* |
| 53 | * R5000-specific cacheops |
| 54 | */ |
| 55 | #define R5K_Page_Invalidate_S 0x17 |
| 56 | |
| 57 | /* |
| 58 | * RM7000-specific cacheops |
| 59 | */ |
| 60 | #define Page_Invalidate_T 0x16 |
| 61 | |
| 62 | /* |
| 63 | * R1000-specific cacheops |
| 64 | * |
| 65 | * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. |
| 66 | * Most of the _S cacheops are identical to the R4000SC _SD cacheops. |
| 67 | */ |
| 68 | #define Index_Writeback_Inv_S 0x03 |
| 69 | #define Index_Load_Tag_S 0x07 |
| 70 | #define Index_Store_Tag_S 0x0B |
| 71 | #define Hit_Invalidate_S 0x13 |
| 72 | #define Cache_Barrier 0x14 |
| 73 | #define Hit_Writeback_Inv_S 0x17 |
| 74 | #define Index_Load_Data_I 0x18 |
| 75 | #define Index_Load_Data_D 0x19 |
| 76 | #define Index_Load_Data_S 0x1b |
| 77 | #define Index_Store_Data_I 0x1c |
| 78 | #define Index_Store_Data_D 0x1d |
| 79 | #define Index_Store_Data_S 0x1f |
| 80 | |
| 81 | #endif /* __ASM_CACHEOPS_H */ |