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authorKorey Sewell <ksewell@umich.edu>2010-03-22 15:38:28 -0400
committerKorey Sewell <ksewell@umich.edu>2010-03-22 15:38:28 -0400
commit4ac245737d4dd9e49ef7e3f00d851593ab7579d2 (patch)
treefcba3dc4b0b760a5311136a6b4c9f0868abfa18e /src/cpu/inorder
parent66632539b65af333bbf3d00fde9e249f97a8ab8e (diff)
downloadgem5-4ac245737d4dd9e49ef7e3f00d851593ab7579d2.tar.xz
inorder: fix address list bug
Diffstat (limited to 'src/cpu/inorder')
-rw-r--r--src/cpu/inorder/SConscript2
-rw-r--r--src/cpu/inorder/cpu.cc2
-rw-r--r--src/cpu/inorder/resources/cache_unit.cc23
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++;