From f1c97e830b2bf9d1fb457050f97dfd4ec9312932 Mon Sep 17 00:00:00 2001 From: Korey Sewell Date: Tue, 12 May 2009 15:01:16 -0400 Subject: [PATCH] inorder-faults: ignore unalign translation faults for prefetches --- src/cpu/inorder/resources/tlb_unit.cc | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/cpu/inorder/resources/tlb_unit.cc b/src/cpu/inorder/resources/tlb_unit.cc index 238807ebc..93c066bb0 100644 --- a/src/cpu/inorder/resources/tlb_unit.cc +++ b/src/cpu/inorder/resources/tlb_unit.cc @@ -161,13 +161,21 @@ TLBUnit::execute(int slot_idx) "addr:%08p for [sn:%i] %s.\n", tid, tlb_req->fault->name(), tlb_req->memReq->getVaddr(), seq_num, inst->instName()); + if (inst->isDataPrefetch()) { + DPRINTF(InOrderTLB, "Ignoring %s fault for data prefetch\n", + tlb_req->fault->name()); + + tlb_req->fault = NoFault; + + tlb_req->done(); + } else { cpu->pipelineStage[stage_num]->setResStall(tlb_req, tid); tlbBlocked[tid] = true; scheduleEvent(slot_idx, 1); // Let CPU handle the fault cpu->trap(tlb_req->fault, tid); - + } } else { DPRINTF(InOrderTLB, "[tid:%i]: [sn:%i] virt. addr %08p translated " "to phys. addr:%08p.\n", tid, seq_num, -- 2.30.2