tlb.cc (4957:f858d0b8ef99) | tlb.cc (4962:4e939f4629c3) |
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1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 66 unchanged lines hidden (view full) --- 75 76// look up an entry in the TLB 77PTE * 78TLB::lookup(Addr vpn, uint8_t asn) const 79{ 80 // assume not found... 81 PTE *retval = NULL; 82 | 1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 66 unchanged lines hidden (view full) --- 75 76// look up an entry in the TLB 77PTE * 78TLB::lookup(Addr vpn, uint8_t asn) const 79{ 80 // assume not found... 81 PTE *retval = NULL; 82 |
83 if (PTECache[0] && vpn == PTECache[0]->tag && 84 (PTECache[0]->asma || PTECache[0]->asn == asn)) 85 retval = PTECache[0]; 86 else if (PTECache[1] && vpn == PTECache[1]->tag && 87 (PTECache[1]->asma || PTECache[1]->asn == asn)) 88 retval = PTECache[1]; 89 else if (PTECache[2] && vpn == PTECache[2]->tag && 90 (PTECache[2]->asma || PTECache[2]->asn == asn)) 91 retval = PTECache[2]; 92 else { | 83 if (PTECache[0]) { 84 if (vpn == PTECache[0]->tag && 85 (PTECache[0]->asma || PTECache[0]->asn == asn)) 86 retval = PTECache[0]; 87 else if (PTECache[1]) { 88 if (vpn == PTECache[1]->tag && 89 (PTECache[1]->asma || PTECache[1]->asn == asn)) 90 retval = PTECache[1]; 91 else if (PTECache[2] && vpn == PTECache[2]->tag && 92 (PTECache[2]->asma || PTECache[2]->asn == asn)) 93 retval = PTECache[2]; 94 } 95 } 96 97 if (retval == NULL) |
93 PageTable::const_iterator i = lookupTable.find(vpn); 94 if (i != lookupTable.end()) { 95 while (i->first == vpn) { 96 int index = i->second; 97 PTE *pte = &table[index]; 98 assert(pte->valid); 99 if (vpn == pte->tag && (pte->asma || pte->asn == asn)) { 100 retval = pte; | 98 PageTable::const_iterator i = lookupTable.find(vpn); 99 if (i != lookupTable.end()) { 100 while (i->first == vpn) { 101 int index = i->second; 102 PTE *pte = &table[index]; 103 assert(pte->valid); 104 if (vpn == pte->tag && (pte->asma || pte->asn == asn)) { 105 retval = pte; |
106 PTECache[2] = PTECache[1]; 107 PTECache[1] = PTECache[0]; 108 PTECache[0] = pte; |
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101 break; 102 } 103 104 ++i; 105 } 106 } 107 } 108 --- 522 unchanged lines hidden --- | 109 break; 110 } 111 112 ++i; 113 } 114 } 115 } 116 --- 522 unchanged lines hidden --- |