page_table.cc (10558:426665ec11a9) page_table.cc (10905:a6ca6831e775)
1/*
2 * Copyright (c) 2014 Advanced Micro Devices, Inc.
3 * Copyright (c) 2003 The Regents of The University of Michigan
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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32 */
33
34/**
35 * @file
36 * Definitions of functional page table.
37 */
38#include <fstream>
39#include <map>
1/*
2 * Copyright (c) 2014 Advanced Micro Devices, Inc.
3 * Copyright (c) 2003 The Regents of The University of Michigan
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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32 */
33
34/**
35 * @file
36 * Definitions of functional page table.
37 */
38#include <fstream>
39#include <map>
40#include <memory>
40#include <string>
41
42#include "base/bitfield.hh"
43#include "base/intmath.hh"
44#include "base/trace.hh"
45#include "config/the_isa.hh"
46#include "debug/MMU.hh"
47#include "mem/page_table.hh"

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191 if ((paddr & (pageSize - 1)) + req->getSize() > pageSize) {
192 panic("Request spans page boundaries!\n");
193 return NoFault;
194 }
195 return NoFault;
196}
197
198void
41#include <string>
42
43#include "base/bitfield.hh"
44#include "base/intmath.hh"
45#include "base/trace.hh"
46#include "config/the_isa.hh"
47#include "debug/MMU.hh"
48#include "mem/page_table.hh"

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192 if ((paddr & (pageSize - 1)) + req->getSize() > pageSize) {
193 panic("Request spans page boundaries!\n");
194 return NoFault;
195 }
196 return NoFault;
197}
198
199void
199FuncPageTable::serialize(std::ostream &os)
200FuncPageTable::serialize(CheckpointOut &cp) const
200{
201{
201 paramOut(os, "ptable.size", pTable.size());
202 paramOut(cp, "ptable.size", pTable.size());
202
203 PTable::size_type count = 0;
203
204 PTable::size_type count = 0;
205 for (auto &pte : pTable) {
206 ScopedCheckpointSection sec(cp, csprintf("Entry%d", count++));
204
207
205 PTableItr iter = pTable.begin();
206 PTableItr end = pTable.end();
207 while (iter != end) {
208 os << "\n[" << csprintf("%s.Entry%d", name(), count) << "]\n";
209
210 paramOut(os, "vaddr", iter->first);
211 iter->second.serialize(os);
212
213 ++iter;
214 ++count;
208 paramOut(cp, "vaddr", pte.first);
209 pte.second.serialize(cp);
215 }
216 assert(count == pTable.size());
217}
218
219void
210 }
211 assert(count == pTable.size());
212}
213
214void
220FuncPageTable::unserialize(Checkpoint *cp, const std::string &section)
215FuncPageTable::unserialize(CheckpointIn &cp)
221{
216{
222 int i = 0, count;
223 paramIn(cp, section, "ptable.size", count);
217 int count;
218 paramIn(cp, "ptable.size", count);
224
219
225 pTable.clear();
220 for (int i = 0; i < count; ++i) {
221 ScopedCheckpointSection sec(cp, csprintf("Entry%d", i));
226
222
227 while (i < count) {
228 TheISA::TlbEntry *entry;
223 std::unique_ptr<TheISA::TlbEntry> entry;
229 Addr vaddr;
230
224 Addr vaddr;
225
231 paramIn(cp, csprintf("%s.Entry%d", name(), i), "vaddr", vaddr);
232 entry = new TheISA::TlbEntry();
233 entry->unserialize(cp, csprintf("%s.Entry%d", name(), i));
226 paramIn(cp, "vaddr", vaddr);
227 entry.reset(new TheISA::TlbEntry());
228 entry->unserialize(cp);
229
234 pTable[vaddr] = *entry;
230 pTable[vaddr] = *entry;
235 delete entry;
236 ++i;
237 }
238}
239
231 }
232}
233