OpenCloudOS-Kernel/include/asm-cris/arch-v32/tlb.h

15 lines
414 B
C

#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 */