/*
* Copyright (c) 2006 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup kernel_ppc32_mm
* @{
*/
/** @file
*/
#ifndef KERN_ppc32_TLB_H_
#define KERN_ppc32_TLB_H_
#include <arch/interrupt.h>
#define WIMG_GUARDED 0x01
#define WIMG_COHERENT 0x02
#define WIMG_NO_CACHE 0x04
#define WIMG_WRITETHRU 0x08
typedef struct {
unsigned int v : 1; /**< Valid */
unsigned int vsid : 24; /**< Virtual Segment ID */
unsigned int h : 1; /**< Primary/secondary hash */
unsigned int api : 6; /**< Abbreviated Page Index */
unsigned int rpn : 20; /**< Real Page Number */
unsigned int reserved0 : 3;
unsigned int r : 1; /**< Reference */
unsigned int c : 1; /**< Change */
unsigned int wimg : 4; /**< Access control */
unsigned int reserved1 : 1;
unsigned int pp : 2; /**< Page protection */
} phte_t;
typedef struct {
unsigned int v : 1;
unsigned int vsid : 24;
unsigned int reserved0 : 1;
unsigned int api : 6;
} ptehi_t;
typedef struct {
unsigned int rpn : 20;
unsigned int xpn : 3;
unsigned int reserved0 : 1;
unsigned int c : 1;
unsigned int wimg : 4;
unsigned int x : 1;
unsigned int pp : 2;
} ptelo_t;
extern void tlb_refill(unsigned int, istate_t *);
#endif
/** @}
*/