From 6cd187e1f066b084740b4b202f1de644ba06f299 Mon Sep 17 00:00:00 2001 From: Steve Reinhardt Date: Wed, 18 Oct 2006 08:16:22 -0700 Subject: Get rid of obsolete in-cache copy support. --HG-- extra : convert_revision : a701ed9d078c67718a33f4284c0403a8aaac7b25 --- src/mem/cache/tags/lru.cc | 45 --------------------------------------------- 1 file changed, 45 deletions(-) (limited to 'src/mem/cache/tags/lru.cc') diff --git a/src/mem/cache/tags/lru.cc b/src/mem/cache/tags/lru.cc index 976bbeff2..a9ae049c3 100644 --- a/src/mem/cache/tags/lru.cc +++ b/src/mem/cache/tags/lru.cc @@ -250,51 +250,6 @@ LRU::invalidateBlk(Addr addr) } } -void -LRU::doCopy(Addr source, Addr dest, PacketList &writebacks) -{ - assert(source == blkAlign(source)); - assert(dest == blkAlign(dest)); - LRUBlk *source_blk = findBlock(source); - assert(source_blk); - LRUBlk *dest_blk = findBlock(dest); - if (dest_blk == NULL) { - // Need to do a replacement - Request *search = new Request(dest,1,0); - Packet * pkt = new Packet(search, Packet::ReadReq, -1); - BlkList dummy_list; - dest_blk = findReplacement(pkt, writebacks, dummy_list); - if (dest_blk->isValid() && dest_blk->isModified()) { - // Need to writeback data. -/* pkt = buildWritebackReq(regenerateBlkAddr(dest_blk->tag, - dest_blk->set), - dest_blk->req->asid, - dest_blk->xc, - blkSize, - dest_blk->data, - dest_blk->size); -*/ - Request *writebackReq = new Request(regenerateBlkAddr(dest_blk->tag, - dest_blk->set), - blkSize, 0); - Packet *writeback = new Packet(writebackReq, Packet::Writeback, -1); - writeback->allocate(); - memcpy(writeback->getPtr(),dest_blk->data, blkSize); - writebacks.push_back(writeback); - } - dest_blk->tag = extractTag(dest); - delete search; - delete pkt; - } - /** - * @todo Can't assume the status once we have coherence on copies. - */ - - // Set this block as readable, writeable, and dirty. - dest_blk->status = 7; - memcpy(dest_blk->data, source_blk->data, blkSize); -} - void LRU::cleanupRefs() { -- cgit v1.2.3