AbstractCacheEntry.cc

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/*
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 * to a hardware implementation of the functionality of the software
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 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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#include "mem/ruby/slicc_interface/AbstractCacheEntry.hh"
 
#include "base/trace.hh"
#include "debug/RubyCache.hh"
 
namespace gem5
{
 
namespace ruby
{
 
AbstractCacheEntry::AbstractCacheEntry() : ReplaceableEntry()
{
    m_Permission = AccessPermission_NotPresent;
    m_Address = 0;
    m_locked = -1;
    m_last_touch_tick = 0;
    m_htmInReadSet = false;
    m_htmInWriteSet = false;
}
 
AbstractCacheEntry::~AbstractCacheEntry()
{
}
 
// Get cache permission
AccessPermission
AbstractCacheEntry::getPermission() const
{
    return m_Permission;
}
 
void
AbstractCacheEntry::changePermission(AccessPermission new_perm)
{
    m_Permission = new_perm;
    if ((new_perm == AccessPermission_Invalid) ||
        (new_perm == AccessPermission_NotPresent)) {
        m_locked = -1;
    }
}
 
void
AbstractCacheEntry::setLocked(int context)
{
    DPRINTF(RubyCache, "Setting Lock for addr: %#x to %d\n", m_Address, context);
    m_locked = context;
}
 
void
AbstractCacheEntry::clearLocked()
{
    DPRINTF(RubyCache, "Clear Lock for addr: %#x\n", m_Address);
    m_locked = -1;
}
 
bool
AbstractCacheEntry::isLocked(int context) const
{
    DPRINTF(RubyCache, "Testing Lock for addr: %#llx cur %d con %d\n",
            m_Address, m_locked, context);
    return m_locked == context;
}
 
void
AbstractCacheEntry::setInHtmReadSet(bool val)
{
    m_htmInReadSet = val;
}
 
void
AbstractCacheEntry::setInHtmWriteSet(bool val)
{
    m_htmInWriteSet = val;
}
 
bool
AbstractCacheEntry::getInHtmReadSet() const
{
    return m_htmInReadSet;
}
 
bool
AbstractCacheEntry::getInHtmWriteSet() const
{
    return m_htmInWriteSet;
}
 
} // namespace ruby
} // namespace gem5