locked_mem.hh revision 10030:b531e328342d
1/* 2 * Copyright (c) 2006 The Regents of The University of Michigan 3 * Copyright (c) 2007-2008 The Florida State University 4 * Copyright (c) 2009 The University of Edinburgh 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are 9 * met: redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer; 11 * redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution; 14 * neither the name of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * Authors: Steve Reinhardt 31 * Stephen Hines 32 * Timothy M. Jones 33 */ 34 35#ifndef __ARCH_POWER_LOCKED_MEM_HH__ 36#define __ARCH_POWER_LOCKED_MEM_HH__ 37 38/** 39 * @file 40 * 41 * ISA-specific helper functions for locked memory accesses. 42 */ 43 44#include "mem/packet.hh" 45#include "mem/request.hh" 46 47namespace PowerISA 48{ 49 50template <class XC> 51inline void 52handleLockedSnoop(XC *xc, PacketPtr pkt, Addr cacheBlockMask) 53{ 54} 55 56template <class XC> 57inline void 58handleLockedRead(XC *xc, Request *req) 59{ 60} 61 62template <class XC> 63inline void 64handleLockedSnoopHit(XC *xc) 65{ 66} 67 68template <class XC> 69inline bool 70handleLockedWrite(XC *xc, Request *req, Addr cacheBlockMask) 71{ 72 return true; 73} 74 75} // namespace PowerISA 76 77#endif // __ARCH_POWER_LOCKED_MEM_HH__ 78