cache_blk.cc revision 13223:081299f403fe
1/*
2 * Copyright (c) 2012-2013 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2007 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
41#include "mem/cache/cache_blk.hh"
42
43#include "base/cprintf.hh"
44
45void
46CacheBlk::insert(const Addr tag, const bool is_secure,
47                 const int src_master_ID, const uint32_t task_ID)
48{
49    // Set block tag
50    this->tag = tag;
51
52    // Set source requestor ID
53    srcMasterId = src_master_ID;
54
55    // Set task ID
56    task_id = task_ID;
57
58    // Set insertion tick as current tick
59    tickInserted = curTick();
60
61    // Insertion counts as a reference to the block
62    refCount = 1;
63
64    // Set secure state
65    if (is_secure) {
66        status = BlkSecure;
67    } else {
68        status = 0;
69    }
70}
71
72void
73CacheBlkPrintWrapper::print(std::ostream &os, int verbosity,
74                            const std::string &prefix) const
75{
76    ccprintf(os, "%sblk %c%c%c%c\n", prefix,
77             blk->isValid()    ? 'V' : '-',
78             blk->isWritable() ? 'E' : '-',
79             blk->isDirty()    ? 'M' : '-',
80             blk->isSecure()   ? 'S' : '-');
81}
82
83