#ifndef _CRIS_ARCH_TLB_H | |
#define _CRIS_ARCH_TLB_H | |
/* | |
* The TLB is a 64-entry cache. Each entry has a 8-bit page_id that is used | |
* to store the "process" it belongs to (=> fast mm context switch). The | |
* last page_id is never used so we can make TLB entries that never matches. | |
*/ | |
#define NUM_TLB_ENTRIES 64 | |
#define NUM_PAGEID 256 | |
#define INVALID_PAGEID 255 | |
#define NO_CONTEXT -1 | |
#endif /* _CRIS_ARCH_TLB_H */ |