Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / sam / cpus / vonk / bl / lib / utl / src / BL_BoundedArray.h

/*
* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T2 Processor File: BL_BoundedArray.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 __BL_BoundedArray_h__
#define __BL_BoundedArray_h__

#include <assert.h>
#include <sys/types.h>
#include <stdio.h>
#include <string.h>

// Bounded array template.  Takes the type of the array elements and
// the array's length as template arguments.  Provides range checked
// operator[] methods.

template<typename TYPE, uint64_t SIZE, bool DO_INIT=false> class BL_BoundedArray
{
  public:

    BL_BoundedArray()
    {
      !DO_INIT || memset(0);
    }
    ~BL_BoundedArray() {}

    TYPE& operator[](uint64_t ndx)
    {
      assert(ndx < SIZE);
      return array[ndx];
    }

    const TYPE& operator[](uint64_t ndx) const
    {
      assert(ndx < SIZE);
      return array[ndx];
    }

    TYPE* memset(int c, size_t n = 0)
    {
      if (n == 0)
        n = SIZE;
      ::memset(array, c, n * sizeof(TYPE));
      return array;
    }

  private:

    TYPE            array[SIZE];
};

#endif /* __BL_BoundedArray_h__ */