diff options
author | Korey Sewell <ksewell@umich.edu> | 2010-03-22 15:38:28 -0400 |
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committer | Korey Sewell <ksewell@umich.edu> | 2010-03-22 15:38:28 -0400 |
commit | 4ac245737d4dd9e49ef7e3f00d851593ab7579d2 (patch) | |
tree | fcba3dc4b0b760a5311136a6b4c9f0868abfa18e /src | |
parent | 66632539b65af333bbf3d00fde9e249f97a8ab8e (diff) | |
download | gem5-4ac245737d4dd9e49ef7e3f00d851593ab7579d2.tar.xz |
inorder: fix address list bug
Diffstat (limited to 'src')
-rw-r--r-- | src/cpu/inorder/SConscript | 2 | ||||
-rw-r--r-- | src/cpu/inorder/cpu.cc | 2 | ||||
-rw-r--r-- | src/cpu/inorder/resources/cache_unit.cc | 23 |
3 files changed, 14 insertions, 13 deletions
diff --git a/src/cpu/inorder/SConscript b/src/cpu/inorder/SConscript index f222350af..3717c2f57 100644 --- a/src/cpu/inorder/SConscript +++ b/src/cpu/inorder/SConscript @@ -61,7 +61,7 @@ if 'InOrderCPU' in env['CPU_MODELS']: 'InOrderMDU', 'InOrderAGEN', 'InOrderFetchSeq', 'InOrderTLB', 'InOrderBPred', 'InOrderDecode', 'InOrderExecute', 'InOrderInstBuffer', 'InOrderUseDef', 'InOrderGraduation', 'InOrderCachePort', 'RegDepMap', 'Resource', - 'ThreadModel']) + 'ThreadModel', 'AddrDep']) Source('pipeline_traits.cc') Source('inorder_dyn_inst.cc') diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index 7342f9bc5..0744686e1 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -1335,7 +1335,7 @@ InOrderCPU::cleanUpRemovedReqs() while (!reqRemoveList.empty()) { ResourceRequest *res_req = reqRemoveList.front(); - DPRINTF(InOrderCPU, "[tid:%i] [sn:%lli]: Removing Request " + DPRINTF(Resource, "[tid:%i] [sn:%lli]: Removing Request " "[stage_num:%i] [res:%s] [slot:%i] [completed:%i].\n", res_req->inst->threadNumber, res_req->inst->seqNum, diff --git a/src/cpu/inorder/resources/cache_unit.cc b/src/cpu/inorder/resources/cache_unit.cc index cb1861ea9..376ea8d26 100644 --- a/src/cpu/inorder/resources/cache_unit.cc +++ b/src/cpu/inorder/resources/cache_unit.cc @@ -188,12 +188,18 @@ CacheUnit::setAddrDependency(DynInstPtr inst) addrList[tid].push_back(req_addr); addrMap[tid][req_addr] = inst->seqNum; - DPRINTF(InOrderCachePort, - "[tid:%i]: [sn:%i]: Address %08p added to dependency list\n", - inst->readTid(), inst->seqNum, req_addr); + DPRINTF(AddrDep, "[tid:%i]: [sn:%i]: Address %08p added to dependency list\n", inst->readTid(), inst->seqNum, req_addr); + + //@NOTE: 10 is an arbitrarily "high" number here, but to be exact + // we would need to know the # of outstanding accesses + // a priori. Information like fetch width, stage width, + // and the branch resolution stage would be useful for the + // icache_port (among other things). For the dcache, the # + // of outstanding cache accesses might be sufficient. + assert(addrList[tid].size() < 10); } void @@ -203,6 +209,8 @@ CacheUnit::removeAddrDependency(DynInstPtr inst) Addr mem_addr = inst->getMemAddr(); + inst->unsetMemAddr(); + // Erase from Address List vector<Addr>::iterator vect_it = find(addrList[tid].begin(), addrList[tid].end(), mem_addr); @@ -1106,8 +1114,6 @@ CacheUnit::processCacheCompletion(PacketPtr pkt) tid, cache_req->inst->readPC()); cache_req->setMemAccCompleted(); } - - inst->unsetMemAddr(); } void @@ -1225,10 +1231,6 @@ CacheUnit::squash(DynInstPtr inst, int stage_num, // Mark slot for removal from resource slot_remove_list.push_back(req_ptr->getSlot()); - - DPRINTF(InOrderCachePort, - "[tid:%i] Squashing request from [sn:%i]\n", - req_ptr->getInst()->readTid(), req_ptr->getInst()->seqNum); } else { DPRINTF(InOrderCachePort, "[tid:%i] Request from [sn:%i] squashed, but still pending completion.\n", @@ -1246,8 +1248,7 @@ CacheUnit::squash(DynInstPtr inst, int stage_num, req_ptr->getInst()->getMemAddr()); removeAddrDependency(req_ptr->getInst()); - } - + } } map_it++; |