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/*
 * Copyright (c) 2011, ARM Limited. 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.
 *      
 * Neither the name of ARM nor the names of its
 * contributors may be used to endorse or promote products
 * derived from this software without specific prior written
 * permission.                        
 */ 

#ifndef __MEM_TRAP_H__
#define __MEM_TRAP_H__

/*
 * Data structure that holds info about all traps populated
 * in the 2nd stage translation tables. It does not need to
 * interpret the traps but simple save and restore them.
 * This should prevent the usage of trap specific save/restore
 * routines.
 */
typedef struct trap_data {
        /* Does this structure contain valid data */
        unsigned valid;
        /* Which cluster to save/restore this trap on */
        unsigned cluster_id;
        /* Translation table address */
        unsigned long long table;
        /* Index corresponding to mapping */
        unsigned index;
        /* TODO: Revisit why we need two variables here */
        /* Original Descriptor */
        unsigned long long prev_desc;
        /* Current Descriptor */
        unsigned long long cur_desc;
} mem_trap_data;

extern unsigned mem_trap_setup(unsigned, mem_trap_data *);
extern mem_trap_data s2_trap_section$$Base;
extern unsigned s2_trap_section$$Length;

#endif /* __MEM_TRAP_H__ */