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/*
* Copyright (c) 2001-2005 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
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#include "arch/generic/tlb.hh"
#include "cpu/thread_context.hh"
#include "mem/page_table.hh"
#include "sim/faults.hh"
#include "sim/full_system.hh"
#include "sim/process.hh"
Fault
GenericTLB::translateAtomic(const RequestPtr &req, ThreadContext *tc, Mode)
{
if (FullSystem)
panic("Generic translation shouldn't be used in full system mode.\n");
Process * p = tc->getProcessPtr();
Fault fault = p->pTable->translate(req);
if (fault != NoFault)
return fault;
return NoFault;
}
void
GenericTLB::translateTiming(const RequestPtr &req, ThreadContext *tc,
Translation *translation, Mode mode)
{
assert(translation);
translation->finish(translateAtomic(req, tc, mode), req, tc, mode);
}
Fault
GenericTLB::finalizePhysical(const RequestPtr &req, ThreadContext *tc,
Mode mode) const
{
return NoFault;
}
void
GenericTLB::demapPage(Addr vaddr, uint64_t asn)
{
warn("Demapping pages in the generic TLB is unnecessary.\n");
}
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