Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / sam / cpus / vonk / ss / dev / timeofday / src / SS_TimeOfDay.cc

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: SS_TimeOfDay.cc
// 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 ============================================

#include <sys/socket.h>
#include <unistd.h>
#include "SS_TimeOfDay.h"

SS_TimeOfDay::SS_TimeOfDay( SS_AddressMap* map, SS_Paddr lo, SS_Paddr hi )/*{{{*/
 :
  base(lo)
{
  map->add(lo,hi,this,SS_AddressMap::REL,SS_TimeOfDay::access);
}
/*}}}*/
SS_TimeOfDay::~SS_TimeOfDay()/*{{{*/
{
}
/*}}}*/

void SS_TimeOfDay::access( void* obj, uint_t sid, SS_Access::Type type, SS_Paddr pa, uint_t size, uint64_t* data )/*{{{*/
{
  SS_TimeOfDay* self = (SS_TimeOfDay*)obj;

  // I wonder whether the time should be captured when this 
  // device is created and then incremented based of simulated
  // time or not ...

  if ((type == SS_Access::LOAD) && (pa == 0) && (size == 8))
    *data = time(0); 
  else
    fprintf(stderr,"TOD: Invalid access type from 0x%llx - IGNORED\n",size,self->base + pa); 
}
/*}}}*/