Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / sam / cpus / vonk / ss / api / pli / src / SS_TimedTlb.h

/*
* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T2 Processor File: SS_TimedTlb.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* 
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* 
* The above named program 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 this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* 
* ========== Copyright Header End ============================================
*/
#ifndef __SS_TimedTlb_h__
#define __SS_TimedTlb_h__

#include "SS_Tlb.h"
#include <map>
#include "SS_PliSocket.h"

class SS_TimedTlb
{
  public:
    SS_TimedTlb( SS_Tlb* _tlb, uint_t _upper_size=256 );

    SS_Tlb* lookup( uint32_t time );
    SS_Tlb* modify( uint32_t time );
    SS_Tlb* latest()						{ return latest_tlb; }

    // socket file descriptor to RTL testbench, used to report error
    SS_PliSocket* socket;

  private:
    struct Cmp { bool operator()( uint32_t t1, uint32_t t2 ) const { return t1 > t2; } };

    std::map<uint32_t,SS_Tlb*,Cmp> tlb;

    uint32_t latest_time;	// Last time modify was called
    SS_Tlb*  latest_tlb;	// Point to the latest created tlb
    uint_t   upper_size;	// Upper size limit for the TLB map.
};

#endif