tlb.cc revision 8784
12497SN/A/* 212776Snikos.nikoleris@arm.com * Copyright (c) 2001-2005 The Regents of The University of Michigan 38711SN/A * All rights reserved. 48711SN/A * 58711SN/A * Redistribution and use in source and binary forms, with or without 68711SN/A * modification, are permitted provided that the following conditions are 78711SN/A * met: redistributions of source code must retain the above copyright 88711SN/A * notice, this list of conditions and the following disclaimer; 98711SN/A * redistributions in binary form must reproduce the above copyright 108711SN/A * notice, this list of conditions and the following disclaimer in the 118711SN/A * documentation and/or other materials provided with the distribution; 128711SN/A * neither the name of the copyright holders nor the names of its 138711SN/A * contributors may be used to endorse or promote products derived from 142497SN/A * this software without specific prior written permission. 152497SN/A * 162497SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172497SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182497SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192497SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202497SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212497SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222497SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232497SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242497SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252497SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262497SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272497SN/A * 282497SN/A * Authors: Gabe Black 292497SN/A */ 302497SN/A 312497SN/A#include "cpu/thread_context.hh" 322497SN/A#include "mem/page_table.hh" 332497SN/A#include "sim/faults.hh" 342497SN/A#include "sim/full_system.hh" 352497SN/A#include "sim/process.hh" 362497SN/A#include "sim/tlb.hh" 372497SN/A 382497SN/AFault 392665SN/AGenericTLB::translateAtomic(RequestPtr req, ThreadContext *tc, Mode) 402665SN/A{ 418715SN/A if (FullSystem) 428922SN/A panic("Generic translation shouldn't be used in full system mode.\n"); 432497SN/A 442497SN/A Process * p = tc->getProcessPtr(); 452497SN/A 462982SN/A Fault fault = p->pTable->translate(req); 4710405Sandreas.hansson@arm.com if(fault != NoFault) 482497SN/A return fault; 492497SN/A 5011793Sbrandon.potter@amd.com return NoFault; 5111793Sbrandon.potter@amd.com} 5212334Sgabeblack@google.com 532548SN/Avoid 5410405Sandreas.hansson@arm.comGenericTLB::translateTiming(RequestPtr req, ThreadContext *tc, 559152SN/A Translation *translation, Mode mode) 5610405Sandreas.hansson@arm.com{ 572497SN/A assert(translation); 5810405Sandreas.hansson@arm.com translation->finish(translateAtomic(req, tc, mode), req, tc, mode); 599157SN/A} 6010719SMarco.Balboni@ARM.com 6110719SMarco.Balboni@ARM.comvoid 6210719SMarco.Balboni@ARM.comGenericTLB::demapPage(Addr vaddr, uint64_t asn) 6310719SMarco.Balboni@ARM.com{ 649279SN/A warn("Demapping pages in the generic TLB is unnecessary.\n"); 659279SN/A} 669279SN/A