64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
/*
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* Copyright (c) 2001-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Gabe Black
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*/
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#include "cpu/thread_context.hh"
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#include "mem/page_table.hh"
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#include "sim/process.hh"
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#include "sim/tlb.hh"
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Fault
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GenericTLB::translateAtomic(RequestPtr req, ThreadContext *tc, Mode)
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{
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#if FULL_SYSTEM
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panic("Generic translation shouldn't be used in full system mode.\n");
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#else
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Process * p = tc->getProcessPtr();
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Fault fault = p->pTable->translate(req);
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if(fault != NoFault)
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return fault;
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return NoFault;
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#endif
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}
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void
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GenericTLB::translateTiming(RequestPtr req, ThreadContext *tc,
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Translation *translation, Mode mode)
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{
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assert(translation);
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translation->finish(translateAtomic(req, tc, mode), req, tc, mode);
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}
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void
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GenericTLB::demapPage(Addr vaddr, uint64_t asn)
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{
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warn("Demapping pages in the generic TLB is unnecessary.\n");
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}
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