locked_mem.hh revision 11723:0596db108c53 
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_RISCV_LOCKED_MEM_HH__
36#define __ARCH_RISCV_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 RiscvISA
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 RiscvISA
76
77#endif // __ARCH_RISCV_LOCKED_MEM_HH__
78