diff options
Diffstat (limited to 'src/arch/sparc')
-rw-r--r-- | src/arch/sparc/tlb.cc | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc index e8b0a933b..f64bad169 100644 --- a/src/arch/sparc/tlb.cc +++ b/src/arch/sparc/tlb.cc @@ -81,21 +81,44 @@ TLB::insert(Addr va, int partition_id, int context_id, bool real, MapIter i; TlbEntry *new_entry = NULL; - TlbRange tr; +// TlbRange tr; int x; cacheValid = false; - tr.va = va; + /* tr.va = va; tr.size = PTE.size() - 1; tr.contextId = context_id; tr.partitionId = partition_id; tr.real = real; - +*/ DPRINTF(TLB, "TLB: Inserting TLB Entry; va=%#x pa=%#x pid=%d cid=%d r=%d entryid=%d\n", va, PTE.paddr(), partition_id, context_id, (int)real, entry); // Demap any entry that conflicts + for (x = 0; x < size; x++) { + if (tlb[x].range.real == real && + tlb[x].range.partitionId == partition_id && + tlb[x].range.va < va + PTE.size() - 1 && + tlb[x].range.va + tlb[x].range.size >= va && + (real || tlb[x].range.contextId == context_id )) + { + if (tlb[x].valid) { + freeList.push_front(&tlb[x]); + DPRINTF(TLB, "TLB: Conflicting entry %#X , deleting it\n", x); + + tlb[x].valid = false; + if (tlb[x].used) { + tlb[x].used = false; + usedEntries--; + } + lookupTable.erase(tlb[x].range); + } + } + } + + +/* i = lookupTable.find(tr); if (i != lookupTable.end()) { i->second->valid = false; @@ -108,7 +131,7 @@ TLB::insert(Addr va, int partition_id, int context_id, bool real, i->second); lookupTable.erase(i); } - +*/ if (entry != -1) { assert(entry < size && entry >= 0); @@ -127,7 +150,6 @@ TLB::insert(Addr va, int partition_id, int context_id, bool real, } while (tlb[x].pte.locked()); lastReplaced = x; new_entry = &tlb[x]; - lookupTable.erase(new_entry->range); } /* for (x = 0; x < size; x++) { @@ -142,10 +164,15 @@ insertAllLocked: // Update the last ently if their all locked if (!new_entry) { new_entry = &tlb[size-1]; - lookupTable.erase(new_entry->range); } freeList.remove(new_entry); + if (new_entry->valid && new_entry->used) + usedEntries--; + + lookupTable.erase(new_entry->range); + + DPRINTF(TLB, "Using entry: %#X\n", new_entry); assert(PTE.valid()); @@ -315,10 +342,12 @@ TLB::invalidateAll() cacheValid = false; freeList.clear(); + lookupTable.clear(); for (x = 0; x < size; x++) { if (tlb[x].valid == true) freeList.push_back(&tlb[x]); tlb[x].valid = false; + tlb[x].used = false; } usedEntries = 0; } |