mmu.h
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- /***************************************************************************
- Copyright (c) 2004-2007 threewater@up-tech.com, All rights reserved.
- by threewter 2004.4.26
- ***************************************************************************/
-
- /***************************************************************************
- #说明:
- ---------------------------------- Bug --------------------------------------
- ---------------------------------- TODO list --------------------------------------
- ----------------------------------修正--------------------------------------
- 2004-5-17 创建
- ***************************************************************************/
- #ifndef __MMU_H__
- #define __MMU_H__
- #define DESC_SEC (0x2|(1<<4))
- #define CB (3<<2) //cache_on, write_back
- #define CNB (2<<2) //cache_on, write_through
- #define NCB (1<<2) //cache_off,WR_BUF on
- #define NCNB (0<<2) //cache_off,WR_BUF off
- #define AP_RW (3<<10) //supervisor=RW, user=RW
- #define AP_RO (2<<10) //supervisor=RW, user=RO
- #define DOMAIN_FAULT (0x0)
- #define DOMAIN_CHK (0x1)
- #define DOMAIN_NOTCHK (0x3)
- #define DOMAIN0 (0x0<<5)
- #define DOMAIN1 (0x1<<5)
- #define DOMAIN0_ATTR (DOMAIN_CHK<<0)
- #define DOMAIN1_ATTR (DOMAIN_FAULT<<2)
- #define RW_CB (AP_RW|DOMAIN0|CB|DESC_SEC)
- #define RW_CNB (AP_RW|DOMAIN0|CNB|DESC_SEC)
- #define RW_NCNB (AP_RW|DOMAIN0|NCNB|DESC_SEC)
- #define RW_FAULT (AP_RW|DOMAIN1|NCNB|DESC_SEC)
- #include "asm-mmu.h"
- int MMU_Init(void);
- void MMU_SetMTT(int vaddrStart,int vaddrEnd,int paddrStart,int attr);
- //int virt2phys(int vaddr);
- //void remap_pages(U32 vaddr, U32 phyaddr, U32 size, U32 flags);
- #endif //#ifndef __MMU_H__