1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * Copyright (c) 2007-2008 The Florida State University
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are

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31 * Steve Reinhardt
32 * Jaidev Patwardhan
33 * Stephen Hines
34 */
35
36#include <string>
37#include <vector>
38
39#include "arch/arm/faults.hh"
40#include "arch/arm/pagetable.hh"
41#include "arch/arm/tlb.hh"
42#include "arch/arm/utility.hh"
43#include "base/inifile.hh"
44#include "base/str.hh"
45#include "base/trace.hh"
46#include "cpu/thread_context.hh"
47#include "mem/page_table.hh"
48#include "params/ArmTLB.hh"
49#include "sim/process.hh"
50
51
52using namespace std;
53using namespace ArmISA;
54
55///////////////////////////////////////////////////////////////////////
56//
57// ARM TLB

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271 ;
272
273 hits = read_hits + write_hits;
274 misses = read_misses + write_misses;
275 accesses = read_accesses + write_accesses;
276}
277
278Fault
279TLB::translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode)
280{
281#if !FULL_SYSTEM
282 Process * p = tc->getProcessPtr();
283
284 Fault fault = p->pTable->translate(req);
285 if(fault != NoFault)
286 return fault;
287
288 return NoFault;
289#else
290 fatal("translate atomic not yet implemented\n");
291#endif
292}
293
294void
295TLB::translateTiming(RequestPtr req, ThreadContext *tc,
296 Translation *translation, Mode mode)
297{
298 assert(translation);
299 translation->finish(translateAtomic(req, tc, mode), req, tc, mode);
300}
301
302ArmISA::PTE &
303TLB::index(bool advance)
304{
305 ArmISA::PTE *pte = &table[nlu];
306
307 if (advance)
308 nextnlu();
309
310 return *pte;
311}
312
313ArmISA::TLB *
314ArmTLBParams::create()
315{
316 return new ArmISA::TLB(this);
317}