95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2006 The Regents of The University of Michigan
|
|
* 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 the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* Authors: Ali Saidi
|
|
*/
|
|
|
|
#include <iostream>
|
|
|
|
#include "base/misc.hh"
|
|
#include "base/types.hh"
|
|
|
|
#ifndef __BASE_BIGINT_HH__
|
|
#define __BASE_BIGINT_HH__
|
|
// Create a couple of large int types for atomic reads
|
|
struct m5_twin64_t {
|
|
uint64_t a;
|
|
uint64_t b;
|
|
m5_twin64_t() : a(0), b(0)
|
|
{}
|
|
m5_twin64_t(const uint64_t x) : a(x), b(x)
|
|
{}
|
|
inline m5_twin64_t& operator=(const uint64_t x)
|
|
{
|
|
a = x;
|
|
b = x;
|
|
return *this;
|
|
}
|
|
|
|
operator uint64_t()
|
|
{
|
|
panic("Tried to cram a twin64_t into an integer!\n");
|
|
return a;
|
|
}
|
|
};
|
|
|
|
struct m5_twin32_t {
|
|
uint32_t a;
|
|
uint32_t b;
|
|
m5_twin32_t()
|
|
{}
|
|
m5_twin32_t(const uint32_t x)
|
|
{
|
|
a = x;
|
|
b = x;
|
|
}
|
|
inline m5_twin32_t& operator=(const uint32_t x)
|
|
{
|
|
a = x;
|
|
b = x;
|
|
return *this;
|
|
}
|
|
|
|
operator uint32_t()
|
|
{
|
|
panic("Tried to cram a twin32_t into an integer!\n");
|
|
return a;
|
|
}
|
|
};
|
|
|
|
|
|
// This is for twin loads (two 64 bit values), not 1 128 bit value (as far as
|
|
// endian conversion is concerned!
|
|
typedef m5_twin64_t Twin64_t;
|
|
typedef m5_twin32_t Twin32_t;
|
|
|
|
// Output operator overloads
|
|
std::ostream & operator << (std::ostream & os, const Twin64_t & t);
|
|
std::ostream & operator << (std::ostream & os, const Twin32_t & t);
|
|
|
|
#endif // __BASE_BIGINT_HH__
|
|
|