source: trunk/kernel/arch/tsar/mmu-info.h @ 246

/*
 * mmu-info.h - TSAR MMU registers & exceptions related informations
 *
 * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
 * Copyright (c) 2011,2012 UPMC Sorbonne Universites
 *
 * This file is part of ALMOS-kernel.
 *
 * ALMOS-kernel is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2.0 of the License.
 *
 * ALMOS-kernel is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ALMOS-kernel; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef _MMU_INFO_H_
#define _MMU_INFO_H_

#ifndef _USE_MMU_INFO_H_
#error This file must not be used directly
#endif

/* MMU Registers Interface */
#define MMU_PTPR                0       /* Page Table Pointer Register                R/W  */
#define MMU_MODE                1       /* Mode Register                              R/W  */
#define MMU_ICACHE_FLUSH        2       /* Instruction Cache flush                    W    */
#define MMU_DCACHE_FLUSH        3       /* Data Cache flush                           W    */
#define MMU_ITLB_INVAL          4       /* Instruction TLB line invalidation          W    */
#define MMU_DTLB_INVAL          5       /* Data TLB line Invalidation                 W    */
#define MMU_ICACHE_INVAL        6       /* Instruction Cache line invalidation        W    */
#define MMU_DCACHE_INVAL        7       /* Data Cache line invalidation               W    */
#define MMU_ICACHE_PREFETCH     8       /* Instruction Cache line prefetch            W    */
#define MMU_DCACHE_PREFETCH     9       /* Data Cache line prefetch                   W    */
#define MMU_SYNC                10      /* Complete pending writes                    W    */
#define MMU_IETR                11      /* Instruction Exception Type Register        R    */
#define MMU_DETR                12      /* Data Exception Type Register               R    */
#define MMU_IBVAR               13      /* Instruction Bad Virtual Address Register   R    */
#define MMU_DBVAR               14      /* Data Bad Virtual Address Register          R    */
#define MMU_PARAMS              15      /* Caches & TLBs hardware parameters          R    */
#define MMU_RELEASE             16      /* Generic MMU release number                 R    */
#define MMU_WORD_LO             17      /* Lowest part of a double word               R/W  */
#define MMU_WORD_HI             18      /* Highest part of a double word              R/W  */
#define MMU_ICACHE_PA_INV       19      /* Instruction cache inval physical adressing W    */
#define MMU_DCACHE_PA_INV       20      /* Data cache inval physical addressing       W    */
#define MMU_DOUBLE_LL           21      /* Double word linked load                    W    */
#define MMU_DOUBLE_SC           22      /* Double word store conditional              W    */ 

#include <types.h>

/* MMU Exception Descriptor */
struct mmu_except_info_s
{
        uint_t err;
        char *name;
        char *info;
        char *severty;
};

typedef struct mmu_except_info_s mmu_except_info_t;

inline mmu_except_info_t* mmu_except_get_entry(uint_t mmu_err_val);

#endif  /* _MMU_INFO_H_ */