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Diffstat (limited to 'src/arch/alpha/tlb.cc')
-rw-r--r--src/arch/alpha/tlb.cc33
1 files changed, 19 insertions, 14 deletions
diff --git a/src/arch/alpha/tlb.cc b/src/arch/alpha/tlb.cc
index 205b81baf..f701c423d 100644
--- a/src/arch/alpha/tlb.cc
+++ b/src/arch/alpha/tlb.cc
@@ -75,21 +75,26 @@ TLB::~TLB()
// look up an entry in the TLB
PTE *
-TLB::lookup(Addr vpn, uint8_t asn) const
+TLB::lookup(Addr vpn, uint8_t asn)
{
// assume not found...
PTE *retval = NULL;
- if (PTECache[0] && vpn == PTECache[0]->tag &&
- (PTECache[0]->asma || PTECache[0]->asn == asn))
- retval = PTECache[0];
- else if (PTECache[1] && vpn == PTECache[1]->tag &&
- (PTECache[1]->asma || PTECache[1]->asn == asn))
- retval = PTECache[1];
- else if (PTECache[2] && vpn == PTECache[2]->tag &&
- (PTECache[2]->asma || PTECache[2]->asn == asn))
- retval = PTECache[2];
- else {
+ if (PTECache[0]) {
+ if (vpn == PTECache[0]->tag &&
+ (PTECache[0]->asma || PTECache[0]->asn == asn))
+ retval = PTECache[0];
+ else if (PTECache[1]) {
+ if (vpn == PTECache[1]->tag &&
+ (PTECache[1]->asma || PTECache[1]->asn == asn))
+ retval = PTECache[1];
+ else if (PTECache[2] && vpn == PTECache[2]->tag &&
+ (PTECache[2]->asma || PTECache[2]->asn == asn))
+ retval = PTECache[2];
+ }
+ }
+
+ if (retval == NULL) {
PageTable::const_iterator i = lookupTable.find(vpn);
if (i != lookupTable.end()) {
while (i->first == vpn) {
@@ -97,7 +102,7 @@ TLB::lookup(Addr vpn, uint8_t asn) const
PTE *pte = &table[index];
assert(pte->valid);
if (vpn == pte->tag && (pte->asma || pte->asn == asn)) {
- retval = pte;
+ retval = updateCache(pte);
break;
}
@@ -307,7 +312,7 @@ ITB::regStats()
Fault
-ITB::translate(RequestPtr &req, ThreadContext *tc) const
+ITB::translate(RequestPtr &req, ThreadContext *tc)
{
//If this is a pal pc, then set PHYSICAL
if(FULL_SYSTEM && PcPAL(req->getPC()))
@@ -469,7 +474,7 @@ DTB::regStats()
}
Fault
-DTB::translate(RequestPtr &req, ThreadContext *tc, bool write) const
+DTB::translate(RequestPtr &req, ThreadContext *tc, bool write)
{
Addr pc = tc->readPC();