tlb.h

来自「Axis 221 camera embedded programing inte」· C头文件 代码 · 共 15 行

#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 */