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| author | Korey Sewell <ksewell@umich.edu> | 2010-01-31 18:26:26 -0500 |
|---|---|---|
| committer | Korey Sewell <ksewell@umich.edu> | 2010-01-31 18:26:26 -0500 |
| commit | 4a945aab1958d39fcfea4608715e77d5112809cf (patch) | |
| tree | d96739fa2fbac0ea409b01627643d2738b1bf08c /src/cpu | |
| parent | eac5eac67ae8076e934d78063a24eeef08f25413 (diff) | |
| download | gem5-4a945aab1958d39fcfea4608715e77d5112809cf.tar.xz | |
inorder: add event priority offset
allow for events to schedule themselves later if desired. this is important
because of cases like where you need to activate a thread only after the previous
thread has been deactivated. The ordering there has to be enforced
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/inorder/cpu.cc | 15 | ||||
| -rw-r--r-- | src/cpu/inorder/cpu.hh | 5 |
2 files changed, 12 insertions, 8 deletions
diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index 035aa0571..c0daad207 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -84,8 +84,10 @@ InOrderCPU::TickEvent::description() } InOrderCPU::CPUEvent::CPUEvent(InOrderCPU *_cpu, CPUEventType e_type, - Fault fault, ThreadID _tid, DynInstPtr inst) - : Event(CPU_Tick_Pri), cpu(_cpu) + Fault fault, ThreadID _tid, DynInstPtr inst, + unsigned event_pri_offset) + : Event(Event::Priority((unsigned int)CPU_Tick_Pri + event_pri_offset)), + cpu(_cpu) { setEvent(e_type, fault, _tid, inst); } @@ -611,13 +613,14 @@ InOrderCPU::squashDueToMemStall(int stage_num, InstSeqNum seq_num, ThreadID tid) void InOrderCPU::scheduleCpuEvent(CPUEventType c_event, Fault fault, ThreadID tid, DynInstPtr inst, - unsigned delay) + unsigned delay, unsigned event_pri_offset) { - CPUEvent *cpu_event = new CPUEvent(this, c_event, fault, tid, inst); + CPUEvent *cpu_event = new CPUEvent(this, c_event, fault, tid, inst, + event_pri_offset); if (delay >= 0) { - DPRINTF(InOrderCPU, "Scheduling CPU Event (%s) for cycle %i.\n", - eventNames[c_event], curTick + delay); + DPRINTF(InOrderCPU, "Scheduling CPU Event (%s) for cycle %i, [tid:%i].\n", + eventNames[c_event], curTick + delay, tid); mainEventQueue.schedule(cpu_event,curTick + delay); } else { cpu_event->process(); diff --git a/src/cpu/inorder/cpu.hh b/src/cpu/inorder/cpu.hh index 5d34de67a..1c819638d 100644 --- a/src/cpu/inorder/cpu.hh +++ b/src/cpu/inorder/cpu.hh @@ -206,7 +206,7 @@ class InOrderCPU : public BaseCPU public: /** Constructs a CPU event. */ CPUEvent(InOrderCPU *_cpu, CPUEventType e_type, Fault fault, - ThreadID _tid, DynInstPtr inst); + ThreadID _tid, DynInstPtr inst, unsigned event_pri_offset); /** Set Type of Event To Be Scheduled */ void setEvent(CPUEventType e_type, Fault _fault, ThreadID _tid, @@ -234,7 +234,8 @@ class InOrderCPU : public BaseCPU /** Schedule a CPU Event */ void scheduleCpuEvent(CPUEventType cpu_event, Fault fault, ThreadID tid, - DynInstPtr inst, unsigned delay = 0); + DynInstPtr inst, unsigned delay = 0, + unsigned event_pri_offset = 0); public: /** Interface between the CPU and CPU resources. */ |