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