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/*
* mmu.h
*
* This include file contains definitions pertaining
* to the MMU on the MPC8xx.
*
* Copyright (c) 1999, National Research Council of Canada
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*/
#ifndef __M8xx_MMU_h
#define __M8xx_MMU_h
#ifdef __cplusplus
extern "C" {
#endif
#include <bsp.h>
/*
* The MMU_TLB_table is used to statically initialize the Table Lookaside
* Buffers in the MMU of an MPC8xx.
*/
typedef struct {
unsigned32 mmu_epn; /* Effective Page Number */
unsigned32 mmu_twc; /* Tablewalk Control Register */
unsigned32 mmu_rpn; /* Real Page Number */
} MMU_TLB_table_t;
/*
* The MMU_TLB_table and its size, MMU_N_TLB_Table_Entries, must be
* supplied by the BSP.
*/
extern MMU_TLB_table_t MMU_TLB_table[]; /* MMU TLB table supplied by BSP */
extern int MMU_N_TLB_Table_Entries; /* Number of entries in MMU TLB table */
/* Functions */
void mmu_init( void );
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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