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author | Steve Reinhardt <stever@eecs.umich.edu> | 2007-06-21 12:03:22 -0700 |
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committer | Steve Reinhardt <stever@eecs.umich.edu> | 2007-06-21 12:03:22 -0700 |
commit | eff122797b5bc735c6d7c797be691c0fa02032e3 (patch) | |
tree | 1dd1cef3b2b4e044fece9a406cd0ce97d09a2da7 /src/cpu | |
parent | 83af0fdcf57175adf8077c51e9ba872dd2c04b76 (diff) | |
parent | 5195500cdf7dc99b5367f91387eef4e9f5b65bfe (diff) | |
download | gem5-eff122797b5bc735c6d7c797be691c0fa02032e3.tar.xz |
Merge vm1.(none):/home/stever/bk/newmem-head
into vm1.(none):/home/stever/bk/newmem-cache2
--HG--
extra : convert_revision : 9002940097a166c8442ae1adf41b974227968920
Diffstat (limited to 'src/cpu')
-rw-r--r-- | src/cpu/base.cc | 6 | ||||
-rw-r--r-- | src/cpu/exetrace.cc | 2 | ||||
-rw-r--r-- | src/cpu/o3/O3CPU.py | 20 | ||||
-rw-r--r-- | src/cpu/o3/cpu.cc | 10 | ||||
-rw-r--r-- | src/cpu/o3/cpu.hh | 3 | ||||
-rw-r--r-- | src/cpu/o3/fetch_impl.hh | 2 | ||||
-rw-r--r-- | src/cpu/simple/atomic.cc | 6 | ||||
-rw-r--r-- | src/cpu/simple/base.cc | 10 | ||||
-rw-r--r-- | src/cpu/simple/timing.cc | 6 |
9 files changed, 31 insertions, 34 deletions
diff --git a/src/cpu/base.cc b/src/cpu/base.cc index 078ae1283..f86313da0 100644 --- a/src/cpu/base.cc +++ b/src/cpu/base.cc @@ -269,12 +269,10 @@ Tick BaseCPU::nextCycle(Tick begin_tick) { Tick next_tick = begin_tick; - next_tick -= (next_tick % clock); + if (next_tick % clock != 0) + next_tick = next_tick - (next_tick % clock) + clock; next_tick += phase; - while (next_tick < curTick) - next_tick += clock; - assert(next_tick >= curTick); return next_tick; } diff --git a/src/cpu/exetrace.cc b/src/cpu/exetrace.cc index 9b87f2e8a..85df19348 100644 --- a/src/cpu/exetrace.cc +++ b/src/cpu/exetrace.cc @@ -650,7 +650,7 @@ Trace::InstRecord::dump() << endl; predecoder.setTC(thread); - predecoder.moreBytes(m5Pc, m5Pc, 0, + predecoder.moreBytes(m5Pc, m5Pc, shared_data->instruction); assert(predecoder.extMachInstReady()); diff --git a/src/cpu/o3/O3CPU.py b/src/cpu/o3/O3CPU.py index e031faefa..e691cfe5d 100644 --- a/src/cpu/o3/O3CPU.py +++ b/src/cpu/o3/O3CPU.py @@ -55,7 +55,7 @@ class DerivO3CPU(BaseCPU): checker.itb = Parent.itb checker.dtb = Parent.dtb - cachePorts = Param.Unsigned("Cache Ports") + cachePorts = Param.Unsigned(200, "Cache Ports") icache_port = Port("Instruction Port") dcache_port = Port("Data Port") _mem_ports = ['icache_port', 'dcache_port'] @@ -137,15 +137,15 @@ class DerivO3CPU(BaseCPU): function_trace = Param.Bool(False, "Enable function trace") function_trace_start = Param.Tick(0, "Cycle to start function trace") - smtNumFetchingThreads = Param.Unsigned("SMT Number of Fetching Threads") - smtFetchPolicy = Param.String("SMT Fetch policy") - smtLSQPolicy = Param.String("SMT LSQ Sharing Policy") - smtLSQThreshold = Param.String("SMT LSQ Threshold Sharing Parameter") - smtIQPolicy = Param.String("SMT IQ Sharing Policy") - smtIQThreshold = Param.String("SMT IQ Threshold Sharing Parameter") - smtROBPolicy = Param.String("SMT ROB Sharing Policy") - smtROBThreshold = Param.String("SMT ROB Threshold Sharing Parameter") - smtCommitPolicy = Param.String("SMT Commit Policy") + smtNumFetchingThreads = Param.Unsigned(1, "SMT Number of Fetching Threads") + smtFetchPolicy = Param.String('SingleThread', "SMT Fetch policy") + smtLSQPolicy = Param.String('Partitioned', "SMT LSQ Sharing Policy") + smtLSQThreshold = Param.Int(100, "SMT LSQ Threshold Sharing Parameter") + smtIQPolicy = Param.String('Partitioned', "SMT IQ Sharing Policy") + smtIQThreshold = Param.Int(100, "SMT IQ Threshold Sharing Parameter") + smtROBPolicy = Param.String('Partitioned', "SMT ROB Sharing Policy") + smtROBThreshold = Param.Int(100, "SMT ROB Threshold Sharing Parameter") + smtCommitPolicy = Param.String('RoundRobin', "SMT Commit Policy") def addPrivateSplitL1Caches(self, ic, dc): BaseCPU.addPrivateSplitL1Caches(self, ic, dc) diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc index a775b66d5..9e1b5d132 100644 --- a/src/cpu/o3/cpu.cc +++ b/src/cpu/o3/cpu.cc @@ -204,19 +204,17 @@ FullO3CPU<Impl>::FullO3CPU(O3CPU *o3_cpu, Params *params) _status = Idle; } - checker = NULL; - - if (params->checker) { #if USE_CHECKER + if (params->checker) { BaseCPU *temp_checker = params->checker; checker = dynamic_cast<Checker<DynInstPtr> *>(temp_checker); #if FULL_SYSTEM checker->setSystem(params->system); #endif -#else - panic("Checker enabled but not compiled in!"); -#endif // USE_CHECKER + } else { + checker = NULL; } +#endif // USE_CHECKER #if !FULL_SYSTEM thread.resize(number_of_threads); diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh index e71d05c8e..b7533e311 100644 --- a/src/cpu/o3/cpu.hh +++ b/src/cpu/o3/cpu.hh @@ -42,6 +42,7 @@ #include "base/statistics.hh" #include "base/timebuf.hh" #include "config/full_system.hh" +#include "config/use_checker.hh" #include "cpu/activity.hh" #include "cpu/base.hh" #include "cpu/simple_thread.hh" @@ -617,11 +618,13 @@ class FullO3CPU : public BaseO3CPU /** The global sequence number counter. */ InstSeqNum globalSeqNum;//[Impl::MaxThreads]; +#if USE_CHECKER /** Pointer to the checker, which can dynamically verify * instruction results at run time. This can be set to NULL if it * is not being used. */ Checker<DynInstPtr> *checker; +#endif #if FULL_SYSTEM /** Pointer to the system. */ diff --git a/src/cpu/o3/fetch_impl.hh b/src/cpu/o3/fetch_impl.hh index ab55ec744..1ce5bd20f 100644 --- a/src/cpu/o3/fetch_impl.hh +++ b/src/cpu/o3/fetch_impl.hh @@ -1128,7 +1128,7 @@ DefaultFetch<Impl>::fetch(bool &status_change) (&cacheData[tid][offset])); predecoder.setTC(cpu->thread[tid]->getTC()); - predecoder.moreBytes(fetch_PC, fetch_PC, 0, inst); + predecoder.moreBytes(fetch_PC, fetch_PC, inst); ext_inst = predecoder.getExtMachInst(); diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc index ea1c7d87f..03ff1282b 100644 --- a/src/cpu/simple/atomic.cc +++ b/src/cpu/simple/atomic.cc @@ -521,15 +521,15 @@ AtomicSimpleCPU::tick() dcache_access = false; // assume no dcache access //Fetch more instruction memory if necessary - if(predecoder.needMoreBytes()) - { + //if(predecoder.needMoreBytes()) + //{ icache_access = true; ifetch_pkt->reinitFromRequest(); icache_latency = icachePort.sendAtomic(ifetch_pkt); // ifetch_req is initialized to read the instruction directly // into the CPU object's inst field. - } + //} preExecute(); diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc index b7f60522f..9285aa7b5 100644 --- a/src/cpu/simple/base.cc +++ b/src/cpu/simple/base.cc @@ -379,11 +379,11 @@ BaseSimpleCPU::preExecute() //This should go away once the constructor can be set up properly predecoder.setTC(thread->getTC()); //If more fetch data is needed, pass it in. - if(predecoder.needMoreBytes()) - predecoder.moreBytes(thread->readPC(), - (thread->readPC() & PCMask) + fetchOffset, 0, inst); - else - predecoder.process(); + Addr fetchPC = (thread->readPC() & PCMask) + fetchOffset; + //if(predecoder.needMoreBytes()) + predecoder.moreBytes(thread->readPC(), fetchPC, inst); + //else + // predecoder.process(); //If an instruction is ready, decode it. Otherwise, we'll have to //fetch beyond the MachInst at the current pc. diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index 1c79fcf6b..7698a588d 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -560,8 +560,7 @@ TimingSimpleCPU::IcachePort::recvTiming(PacketPtr pkt) { if (pkt->isResponse()) { // delay processing of returned data until next CPU clock edge - Tick mem_time = pkt->req->getTime(); - Tick next_tick = cpu->nextCycle(mem_time); + Tick next_tick = cpu->nextCycle(curTick); if (next_tick == curTick) cpu->completeIfetch(pkt); @@ -655,8 +654,7 @@ TimingSimpleCPU::DcachePort::recvTiming(PacketPtr pkt) { if (pkt->isResponse()) { // delay processing of returned data until next CPU clock edge - Tick mem_time = pkt->req->getTime(); - Tick next_tick = cpu->nextCycle(mem_time); + Tick next_tick = cpu->nextCycle(curTick); if (next_tick == curTick) cpu->completeDataAccess(pkt); |