diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2006-11-16 14:41:56 -0500 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2006-11-16 14:41:56 -0500 |
commit | 14ebaa1eccff4032d59147783e98e07b81b5f1ae (patch) | |
tree | 4c738d02f4876cb394d0f9510d08380a6f5384c1 /src/cpu/simple/timing.cc | |
parent | ac2c7967f69e3ffd29a1ed04a15838073dc060de (diff) | |
parent | dbdf2f14ae6b586efd31b73aa4548a38ecee263f (diff) | |
download | gem5-14ebaa1eccff4032d59147783e98e07b81b5f1ae.tar.xz |
Merge zizzer.eecs.umich.edu:/bk/newmem/
into zower.eecs.umich.edu:/home/gblack/m5/newmemmemops
--HG--
extra : convert_revision : c49b760eac758dbde30867cb638fcb3b790f4721
Diffstat (limited to 'src/cpu/simple/timing.cc')
-rw-r--r-- | src/cpu/simple/timing.cc | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index db2c940c0..3648f7613 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -82,8 +82,13 @@ TimingSimpleCPU::CpuPort::recvFunctional(PacketPtr pkt) void TimingSimpleCPU::CpuPort::recvStatusChange(Status status) { - if (status == RangeChange) + if (status == RangeChange) { + if (!snoopRangeSent) { + snoopRangeSent = true; + sendStatusChange(Port::RangeChange); + } return; + } panic("TimingSimpleCPU doesn't expect recvStatusChange callback!"); } @@ -101,6 +106,10 @@ TimingSimpleCPU::TimingSimpleCPU(Params *p) cpu_id(p->cpu_id) { _status = Idle; + + icachePort.snoopRangeSent = false; + dcachePort.snoopRangeSent = false; + ifetch_pkt = dcache_pkt = NULL; drainEvent = NULL; fetchEvent = NULL; @@ -160,7 +169,7 @@ TimingSimpleCPU::resume() fetchEvent = new EventWrapper<TimingSimpleCPU, &TimingSimpleCPU::fetch>(this, false); - fetchEvent->schedule(curTick); + fetchEvent->schedule(nextCycle()); } changeState(SimObject::Running); @@ -232,7 +241,7 @@ TimingSimpleCPU::activateContext(int thread_num, int delay) // kick things off by initiating the fetch of the next instruction fetchEvent = new EventWrapper<TimingSimpleCPU, &TimingSimpleCPU::fetch>(this, false); - fetchEvent->schedule(curTick + cycles(delay)); + fetchEvent->schedule(nextCycle(curTick + cycles(delay))); } @@ -281,6 +290,8 @@ TimingSimpleCPU::read(Addr addr, T &data, unsigned flags) // memory system takes ownership of packet dcache_pkt = NULL; } + } else { + delete req; } // This will need a new way to tell if it has a dcache attached. @@ -366,6 +377,8 @@ TimingSimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res) dcache_pkt = NULL; } } + } else { + delete req; } // This will need a new way to tell if it's hooked up to a cache or not. @@ -448,6 +461,8 @@ TimingSimpleCPU::fetch() ifetch_pkt = NULL; } } else { + delete ifetch_req; + delete ifetch_pkt; // fetch fault: advance directly to next instruction (fault handler) advanceInst(fault); } @@ -481,13 +496,13 @@ TimingSimpleCPU::completeIfetch(PacketPtr pkt) _status = Running; - delete pkt->req; - delete pkt; - numCycles += curTick - previousTick; previousTick = curTick; if (getState() == SimObject::Draining) { + delete pkt->req; + delete pkt; + completeDrain(); return; } @@ -519,6 +534,9 @@ TimingSimpleCPU::completeIfetch(PacketPtr pkt) postExecute(); advanceInst(fault); } + + delete pkt->req; + delete pkt; } void @@ -674,6 +692,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(TimingSimpleCPU) #endif // FULL_SYSTEM Param<int> clock; + Param<int> phase; Param<bool> defer_registration; Param<int> width; @@ -709,6 +728,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(TimingSimpleCPU) #endif // FULL_SYSTEM INIT_PARAM(clock, "clock speed"), + INIT_PARAM_DFLT(phase, "clock phase", 0), INIT_PARAM(defer_registration, "defer system registration (for sampling)"), INIT_PARAM(width, "cpu width"), INIT_PARAM(function_trace, "Enable function trace"), @@ -730,6 +750,7 @@ CREATE_SIM_OBJECT(TimingSimpleCPU) params->progress_interval = progress_interval; params->deferRegistration = defer_registration; params->clock = clock; + params->phase = phase; params->functionTrace = function_trace; params->functionTraceStart = function_trace_start; params->system = system; |