| Mikael Starvik | 51533b6 | 2005-07-27 11:44:44 -0700 | [diff] [blame] | 1 | #ifndef _CRIS_ARCH_TLB_H |
| 2 | #define _CRIS_ARCH_TLB_H | ||||
| 3 | |||||
| 4 | /* | ||||
| 5 | * The TLB is a 64-entry cache. Each entry has a 8-bit page_id that is used | ||||
| 6 | * to store the "process" it belongs to (=> fast mm context switch). The | ||||
| 7 | * last page_id is never used so we can make TLB entries that never matches. | ||||
| 8 | */ | ||||
| 9 | #define NUM_TLB_ENTRIES 64 | ||||
| 10 | #define NUM_PAGEID 256 | ||||
| 11 | #define INVALID_PAGEID 255 | ||||
| 12 | #define NO_CONTEXT -1 | ||||
| 13 | |||||
| 14 | #endif /* _CRIS_ARCH_TLB_H */ | ||||