src/mem/cache/cache_blk.cc

/*
 * Copyright (c) 2012-2013 ARM Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * Copyright (c) 2007 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "mem/cache/cache_blk.hh"

#include "base/cprintf.hh"

void
CacheBlk::insert(const Addr tag, const bool is_secure,
                 const int src_requestor_ID, const uint32_t task_ID)
{
    // Make sure that the block has been properly invalidated
    assert(status == 0);

    // Set block tag
    this->tag = tag;

    // Set source requestor ID
    srcRequestorId = src_requestor_ID;

    // Set task ID
    task_id = task_ID;

    // Set insertion tick as current tick
    tickInserted = curTick();

    // Insertion counts as a reference to the block
    refCount = 1;

    // Set secure state
    if (is_secure) {
        setSecure();
    }

    // Validate block
    setValid();
}

void
CacheBlkPrintWrapper::print(std::ostream &os, int verbosity,
                            const std::string &prefix) const
{
    ccprintf(os, "%sblk %c%c%c%c\n", prefix,
             blk->isValid()    ? 'V' : '-',
             blk->isWritable() ? 'E' : '-',
             blk->isDirty()    ? 'M' : '-',
             blk->isSecure()   ? 'S' : '-');
}