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-rw-r--r--src/cpu/inorder/cpu.cc8
-rw-r--r--src/cpu/inorder/resource_pool.cc100
-rw-r--r--src/cpu/inorder/resource_pool.hh11
3 files changed, 22 insertions, 97 deletions
diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc
index 75e9e06d9..7ef48608a 100644
--- a/src/cpu/inorder/cpu.cc
+++ b/src/cpu/inorder/cpu.cc
@@ -117,6 +117,7 @@ InOrderCPU::CPUEvent::process()
{
case ActivateThread:
cpu->activateThread(tid);
+ cpu->resPool->activateThread(tid);
break;
case ActivateNextReadyThread:
@@ -125,18 +126,23 @@ InOrderCPU::CPUEvent::process()
case DeactivateThread:
cpu->deactivateThread(tid);
+ cpu->resPool->deactivateThread(tid);
break;
case HaltThread:
cpu->haltThread(tid);
+ cpu->resPool->deactivateThread(tid);
break;
case SuspendThread:
cpu->suspendThread(tid);
+ cpu->resPool->suspendThread(tid);
break;
case SquashFromMemStall:
cpu->squashDueToMemStall(inst->squashingStage, inst->seqNum, tid);
+ cpu->resPool->squashDueToMemStall(inst, inst->squashingStage,
+ inst->seqNum, tid);
break;
case Trap:
@@ -896,7 +902,7 @@ InOrderCPU::activateNextReadyThread()
activateThread(ready_tid);
// Activate in Resource Pool
- resPool->activateAll(ready_tid);
+ resPool->activateThread(ready_tid);
list<ThreadID>::iterator ready_it =
std::find(readyThreads.begin(), readyThreads.end(), ready_tid);
diff --git a/src/cpu/inorder/resource_pool.cc b/src/cpu/inorder/resource_pool.cc
index 6640d6c0e..a8a26f51e 100644
--- a/src/cpu/inorder/resource_pool.cc
+++ b/src/cpu/inorder/resource_pool.cc
@@ -86,6 +86,7 @@ ResourcePool::ResourcePool(InOrderCPU *_cpu, ThePipeline::Params *params)
stage_width * 2 + MaxThreads, 0, _cpu,
params));
+ gradObjects.push_back(BPred);
resources.push_back(new GraduationUnit("graduation_unit", Grad,
stage_width, 0, _cpu,
params));
@@ -274,59 +275,6 @@ ResourcePool::scheduleEvent(InOrderCPU::CPUEventType e_type, DynInstPtr inst,
switch ((int)e_type)
{
- case InOrderCPU::ActivateThread:
- {
- DPRINTF(Resource, "Scheduling Activate Thread Resource Pool Event "
- "for tick %i, [tid:%i].\n", curTick() + delay,
- inst->readTid());
- ResPoolEvent *res_pool_event =
- new ResPoolEvent(this,
- e_type,
- inst,
- inst->squashingStage,
- inst->squashSeqNum,
- inst->readTid());
- cpu->schedule(res_pool_event, when);
- }
- break;
-
- case InOrderCPU::HaltThread:
- case InOrderCPU::DeactivateThread:
- {
-
- DPRINTF(Resource, "Scheduling Deactivate Thread Resource Pool "
- "Event for tick %i.\n", curTick() + delay);
- ResPoolEvent *res_pool_event =
- new ResPoolEvent(this,
- e_type,
- inst,
- inst->squashingStage,
- inst->squashSeqNum,
- tid);
-
- cpu->schedule(res_pool_event, when);
- }
- break;
-
- case InOrderCPU::SuspendThread:
- {
- // not sure why we add another nextCycle() call here...
- Tick sked_tick = cpu->nextCycle(when);
-
- DPRINTF(Resource, "Scheduling Suspend Thread Resource Pool "
- "Event for tick %i.\n", sked_tick);
-
- ResPoolEvent *res_pool_event = new ResPoolEvent(this,
- e_type,
- inst,
- inst->squashingStage,
- inst->squashSeqNum,
- tid);
-
- cpu->schedule(res_pool_event, sked_tick);
- }
- break;
-
case ResourcePool::InstGraduated:
{
DPRINTF(Resource, "Scheduling Inst-Graduated Resource Pool "
@@ -361,22 +309,6 @@ ResourcePool::scheduleEvent(InOrderCPU::CPUEventType e_type, DynInstPtr inst,
}
break;
- case InOrderCPU::SquashFromMemStall:
- {
- DPRINTF(Resource, "Scheduling Squash Due to Memory Stall Resource "
- "Pool Event for tick %i.\n",
- curTick() + delay);
- ResPoolEvent *res_pool_event =
- new ResPoolEvent(this,
- e_type,
- inst,
- inst->squashingStage,
- inst->seqNum - 1,
- inst->readTid());
- cpu->schedule(res_pool_event, when);
- }
- break;
-
case ResourcePool::UpdateAfterContextSwitch:
{
DPRINTF(Resource, "Scheduling UpdatePC Resource Pool Event "
@@ -436,7 +368,7 @@ ResourcePool::squashDueToMemStall(DynInstPtr inst, int stage_num,
}
void
-ResourcePool::activateAll(ThreadID tid)
+ResourcePool::activateThread(ThreadID tid)
{
bool do_activate = cpu->threadModel != InOrderCPU::SwitchOnCacheMiss ||
cpu->numActiveThreads() < 1 ||
@@ -459,7 +391,7 @@ ResourcePool::activateAll(ThreadID tid)
}
void
-ResourcePool::deactivateAll(ThreadID tid)
+ResourcePool::deactivateThread(ThreadID tid)
{
DPRINTF(Resource, "[tid:%i] Broadcasting Thread Deactivation to all "
"resources.\n", tid);
@@ -472,7 +404,7 @@ ResourcePool::deactivateAll(ThreadID tid)
}
void
-ResourcePool::suspendAll(ThreadID tid)
+ResourcePool::suspendThread(ThreadID tid)
{
DPRINTF(Resource, "[tid:%i] Broadcasting Thread Suspension to all "
"resources.\n", tid);
@@ -487,13 +419,13 @@ ResourcePool::suspendAll(ThreadID tid)
void
ResourcePool::instGraduated(InstSeqNum seq_num, ThreadID tid)
{
- DPRINTF(Resource, "[tid:%i] Broadcasting [sn:%i] graduation to all "
- "resources.\n", tid, seq_num);
+ DPRINTF(Resource, "[tid:%i] Broadcasting [sn:%i] graduation to "
+ "appropriate resources.\n", tid, seq_num);
- int num_resources = resources.size();
+ int num_resources = gradObjects.size();
for (int idx = 0; idx < num_resources; idx++) {
- resources[idx]->instGraduated(seq_num, tid);
+ resources[gradObjects[idx]]->instGraduated(seq_num, tid);
}
}
@@ -528,18 +460,6 @@ ResourcePool::ResPoolEvent::process()
{
switch ((int)eventType)
{
- case InOrderCPU::ActivateThread:
- resPool->activateAll(tid);
- break;
-
- case InOrderCPU::DeactivateThread:
- case InOrderCPU::HaltThread:
- resPool->deactivateAll(tid);
- break;
-
- case InOrderCPU::SuspendThread:
- resPool->suspendAll(tid);
- break;
case ResourcePool::InstGraduated:
resPool->instGraduated(seqNum, tid);
@@ -549,10 +469,6 @@ ResourcePool::ResPoolEvent::process()
resPool->squashAll(inst, stageNum, seqNum, tid);
break;
- case InOrderCPU::SquashFromMemStall:
- resPool->squashDueToMemStall(inst, stageNum, seqNum, tid);
- break;
-
case ResourcePool::UpdateAfterContextSwitch:
resPool->updateAfterContextSwitch(inst, tid);
break;
diff --git a/src/cpu/inorder/resource_pool.hh b/src/cpu/inorder/resource_pool.hh
index ba3d6fafb..e892d750a 100644
--- a/src/cpu/inorder/resource_pool.hh
+++ b/src/cpu/inorder/resource_pool.hh
@@ -175,13 +175,13 @@ class ResourcePool {
InstSeqNum done_seq_num, ThreadID tid);
/** Activate Thread in all resources */
- void activateAll(ThreadID tid);
+ void activateThread(ThreadID tid);
/** De-Activate Thread in all resources */
- void deactivateAll(ThreadID tid);
+ void deactivateThread(ThreadID tid);
- /** De-Activate Thread in all resources */
- void suspendAll(ThreadID tid);
+ /** Suspend Thread in all resources */
+ void suspendThread(ThreadID tid);
/** Broadcast Context Switch Update to all resources */
void updateAfterContextSwitch(DynInstPtr inst, ThreadID tid);
@@ -218,8 +218,11 @@ class ResourcePool {
private:
std::vector<Resource *> resources;
+ /** Resources that interface with memory objects */
std::vector<int> memObjects;
+ /** Resources that need to be updated on an inst. graduation */
+ std::vector<int> gradObjects;
};
#endif //__CPU_INORDER_RESOURCE_HH__
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 00:41:38 +0000