diff options
author | Kevin Lim <ktlim@umich.edu> | 2006-06-02 18:15:20 -0400 |
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committer | Kevin Lim <ktlim@umich.edu> | 2006-06-02 18:15:20 -0400 |
commit | 7940c10ace28d5b93a61d4d278e6647e0c497149 (patch) | |
tree | 902ac028a61bbcc93485d8efc6e7ba5fe8c47d00 /src/cpu/o3/lsq_impl.hh | |
parent | d4b73086b6b0856c28433b55c8dd5c7b56a1b6df (diff) | |
download | gem5-7940c10ace28d5b93a61d4d278e6647e0c497149.tar.xz |
Fixes to get compiling to work. This is mainly fixing up some includes; changing functions within the XCs; changing MemReqPtrs to Requests or Packets where appropriate.
Currently the O3 and Ozone CPUs do not work in the new memory system; I still need to fix up the ports to work and handle responses properly. This check-in is so that the merge between m5 and newmem is no longer outstanding.
src/SConscript:
Need to include FU Pool for new CPU model. I'll try to figure out a cleaner way to handle this in the future.
src/base/traceflags.py:
Include new traces flags, fix up merge mess up.
src/cpu/SConscript:
Include the base_dyn_inst.cc as one of othe sources.
Don't compile the Ozone CPU for now.
src/cpu/base.cc:
Remove an extra } from the merge.
src/cpu/base_dyn_inst.cc:
Fixes to make compiling work. Don't instantiate the OzoneCPU for now.
src/cpu/base_dyn_inst.hh:
src/cpu/o3/2bit_local_pred.cc:
src/cpu/o3/alpha_cpu_builder.cc:
src/cpu/o3/alpha_cpu_impl.hh:
src/cpu/o3/alpha_dyn_inst.hh:
src/cpu/o3/alpha_params.hh:
src/cpu/o3/bpred_unit.cc:
src/cpu/o3/btb.hh:
src/cpu/o3/commit.hh:
src/cpu/o3/commit_impl.hh:
src/cpu/o3/cpu.cc:
src/cpu/o3/cpu.hh:
src/cpu/o3/fetch.hh:
src/cpu/o3/fetch_impl.hh:
src/cpu/o3/free_list.hh:
src/cpu/o3/iew.hh:
src/cpu/o3/iew_impl.hh:
src/cpu/o3/inst_queue.hh:
src/cpu/o3/inst_queue_impl.hh:
src/cpu/o3/regfile.hh:
src/cpu/o3/sat_counter.hh:
src/cpu/op_class.hh:
src/cpu/ozone/cpu.hh:
src/cpu/checker/cpu.cc:
src/cpu/checker/cpu.hh:
src/cpu/checker/exec_context.hh:
src/cpu/checker/o3_cpu_builder.cc:
src/cpu/ozone/cpu_impl.hh:
src/mem/request.hh:
src/cpu/o3/fu_pool.hh:
src/cpu/o3/lsq.hh:
src/cpu/o3/lsq_unit.hh:
src/cpu/o3/lsq_unit_impl.hh:
src/cpu/o3/thread_state.hh:
src/cpu/ozone/back_end.hh:
src/cpu/ozone/dyn_inst.cc:
src/cpu/ozone/dyn_inst.hh:
src/cpu/ozone/front_end.hh:
src/cpu/ozone/inorder_back_end.hh:
src/cpu/ozone/lw_back_end.hh:
src/cpu/ozone/lw_lsq.hh:
src/cpu/ozone/ozone_impl.hh:
src/cpu/ozone/thread_state.hh:
Fixes to get compiling to work.
src/cpu/o3/alpha_cpu.hh:
Fixes to get compiling to work.
Float reg accessors have changed, as well as MemReqPtrs to RequestPtrs.
src/cpu/o3/alpha_dyn_inst_impl.hh:
Fixes to get compiling to work.
Pass in the packet to the completeAcc function.
Fix up syscall function.
--HG--
rename : cpu/activity.cc => src/cpu/activity.cc
rename : cpu/activity.hh => src/cpu/activity.hh
rename : cpu/checker/cpu.cc => src/cpu/checker/cpu.cc
rename : cpu/checker/cpu.hh => src/cpu/checker/cpu.hh
rename : cpu/checker/cpu_builder.cc => src/cpu/checker/cpu_builder.cc
rename : cpu/checker/exec_context.hh => src/cpu/checker/exec_context.hh
rename : cpu/checker/o3_cpu_builder.cc => src/cpu/checker/o3_cpu_builder.cc
rename : cpu/o3/dep_graph.hh => src/cpu/o3/dep_graph.hh
rename : cpu/o3/fu_pool.cc => src/cpu/o3/fu_pool.cc
rename : cpu/o3/fu_pool.hh => src/cpu/o3/fu_pool.hh
rename : cpu/o3/lsq.cc => src/cpu/o3/lsq.cc
rename : cpu/o3/lsq.hh => src/cpu/o3/lsq.hh
rename : cpu/o3/lsq_impl.hh => src/cpu/o3/lsq_impl.hh
rename : cpu/o3/lsq_unit.cc => src/cpu/o3/lsq_unit.cc
rename : cpu/o3/lsq_unit.hh => src/cpu/o3/lsq_unit.hh
rename : cpu/o3/lsq_unit_impl.hh => src/cpu/o3/lsq_unit_impl.hh
rename : cpu/o3/scoreboard.cc => src/cpu/o3/scoreboard.cc
rename : cpu/o3/scoreboard.hh => src/cpu/o3/scoreboard.hh
rename : cpu/o3/thread_state.hh => src/cpu/o3/thread_state.hh
rename : cpu/ozone/back_end.cc => src/cpu/ozone/back_end.cc
rename : cpu/ozone/back_end.hh => src/cpu/ozone/back_end.hh
rename : cpu/ozone/back_end_impl.hh => src/cpu/ozone/back_end_impl.hh
rename : cpu/ozone/cpu_builder.cc => src/cpu/ozone/cpu_builder.cc
rename : cpu/ozone/dyn_inst.cc => src/cpu/ozone/dyn_inst.cc
rename : cpu/ozone/dyn_inst.hh => src/cpu/ozone/dyn_inst.hh
rename : cpu/ozone/dyn_inst_impl.hh => src/cpu/ozone/dyn_inst_impl.hh
rename : cpu/ozone/front_end.cc => src/cpu/ozone/front_end.cc
rename : cpu/ozone/front_end.hh => src/cpu/ozone/front_end.hh
rename : cpu/ozone/front_end_impl.hh => src/cpu/ozone/front_end_impl.hh
rename : cpu/ozone/inorder_back_end.cc => src/cpu/ozone/inorder_back_end.cc
rename : cpu/ozone/inorder_back_end.hh => src/cpu/ozone/inorder_back_end.hh
rename : cpu/ozone/inorder_back_end_impl.hh => src/cpu/ozone/inorder_back_end_impl.hh
rename : cpu/ozone/inst_queue.cc => src/cpu/ozone/inst_queue.cc
rename : cpu/ozone/inst_queue.hh => src/cpu/ozone/inst_queue.hh
rename : cpu/ozone/inst_queue_impl.hh => src/cpu/ozone/inst_queue_impl.hh
rename : cpu/ozone/lsq_unit.cc => src/cpu/ozone/lsq_unit.cc
rename : cpu/ozone/lsq_unit.hh => src/cpu/ozone/lsq_unit.hh
rename : cpu/ozone/lsq_unit_impl.hh => src/cpu/ozone/lsq_unit_impl.hh
rename : cpu/ozone/lw_back_end.cc => src/cpu/ozone/lw_back_end.cc
rename : cpu/ozone/lw_back_end.hh => src/cpu/ozone/lw_back_end.hh
rename : cpu/ozone/lw_back_end_impl.hh => src/cpu/ozone/lw_back_end_impl.hh
rename : cpu/ozone/lw_lsq.cc => src/cpu/ozone/lw_lsq.cc
rename : cpu/ozone/lw_lsq.hh => src/cpu/ozone/lw_lsq.hh
rename : cpu/ozone/lw_lsq_impl.hh => src/cpu/ozone/lw_lsq_impl.hh
rename : cpu/ozone/null_predictor.hh => src/cpu/ozone/null_predictor.hh
rename : cpu/ozone/ozone_impl.hh => src/cpu/ozone/ozone_impl.hh
rename : cpu/ozone/rename_table.cc => src/cpu/ozone/rename_table.cc
rename : cpu/ozone/rename_table.hh => src/cpu/ozone/rename_table.hh
rename : cpu/ozone/rename_table_impl.hh => src/cpu/ozone/rename_table_impl.hh
rename : cpu/ozone/simple_impl.hh => src/cpu/ozone/simple_impl.hh
rename : cpu/ozone/simple_params.hh => src/cpu/ozone/simple_params.hh
rename : cpu/ozone/thread_state.hh => src/cpu/ozone/thread_state.hh
rename : cpu/quiesce_event.cc => src/cpu/quiesce_event.cc
rename : cpu/quiesce_event.hh => src/cpu/quiesce_event.hh
rename : cpu/thread_state.hh => src/cpu/thread_state.hh
rename : python/m5/objects/FUPool.py => src/python/m5/objects/FUPool.py
rename : python/m5/objects/OzoneCPU.py => src/python/m5/objects/OzoneCPU.py
rename : python/m5/objects/SimpleOzoneCPU.py => src/python/m5/objects/SimpleOzoneCPU.py
extra : convert_revision : ca7f0fbf65ee1a70d482fb4eda9a1840c7f9b8f8
Diffstat (limited to 'src/cpu/o3/lsq_impl.hh')
-rw-r--r-- | src/cpu/o3/lsq_impl.hh | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/src/cpu/o3/lsq_impl.hh b/src/cpu/o3/lsq_impl.hh new file mode 100644 index 000000000..a6ad27522 --- /dev/null +++ b/src/cpu/o3/lsq_impl.hh @@ -0,0 +1,538 @@ +/* + * Copyright (c) 2004-2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <algorithm> +#include <string> + +#include "cpu/o3/lsq.hh" + +using namespace std; + +template <class Impl> +LSQ<Impl>::LSQ(Params *params) + : LQEntries(params->LQEntries), SQEntries(params->SQEntries), + numThreads(params->numberOfThreads) +{ + DPRINTF(LSQ, "Creating LSQ object.\n"); + + //**********************************************/ + //************ Handle SMT Parameters ***********/ + //**********************************************/ + string policy = params->smtLSQPolicy; + + //Convert string to lowercase + std::transform(policy.begin(), policy.end(), policy.begin(), + (int(*)(int)) tolower); + + //Figure out fetch policy + if (policy == "dynamic") { + lsqPolicy = Dynamic; + + maxLQEntries = LQEntries; + maxSQEntries = SQEntries; + + DPRINTF(LSQ, "LSQ sharing policy set to Dynamic\n"); + + } else if (policy == "partitioned") { + lsqPolicy = Partitioned; + + //@todo:make work if part_amt doesnt divide evenly. + maxLQEntries = LQEntries / numThreads; + maxSQEntries = SQEntries / numThreads; + + DPRINTF(Fetch, "LSQ sharing policy set to Partitioned: " + "%i entries per LQ | %i entries per SQ", + maxLQEntries,maxSQEntries); + + } else if (policy == "threshold") { + lsqPolicy = Threshold; + + assert(params->smtLSQThreshold > LQEntries); + assert(params->smtLSQThreshold > SQEntries); + + //Divide up by threshold amount + //@todo: Should threads check the max and the total + //amount of the LSQ + maxLQEntries = params->smtLSQThreshold; + maxSQEntries = params->smtLSQThreshold; + + DPRINTF(LSQ, "LSQ sharing policy set to Threshold: " + "%i entries per LQ | %i entries per SQ", + maxLQEntries,maxSQEntries); + + } else { + assert(0 && "Invalid LSQ Sharing Policy.Options Are:{Dynamic," + "Partitioned, Threshold}"); + } + + //Initialize LSQs + for (int tid=0; tid < numThreads; tid++) { + thread[tid].init(params, maxLQEntries, maxSQEntries, tid); + } +} + + +template<class Impl> +std::string +LSQ<Impl>::name() const +{ + return iewStage->name() + ".lsq"; +} + +template<class Impl> +void +LSQ<Impl>::setActiveThreads(list<unsigned> *at_ptr) +{ + activeThreads = at_ptr; + assert(activeThreads != 0); +} + +template<class Impl> +void +LSQ<Impl>::setCPU(FullCPU *cpu_ptr) +{ + cpu = cpu_ptr; + + for (int tid=0; tid < numThreads; tid++) { + thread[tid].setCPU(cpu_ptr); + } +} + +template<class Impl> +void +LSQ<Impl>::setIEW(IEW *iew_ptr) +{ + iewStage = iew_ptr; + + for (int tid=0; tid < numThreads; tid++) { + thread[tid].setIEW(iew_ptr); + } +} + +#if 0 +template<class Impl> +void +LSQ<Impl>::setPageTable(PageTable *pt_ptr) +{ + for (int tid=0; tid < numThreads; tid++) { + thread[tid].setPageTable(pt_ptr); + } +} +#endif + +template <class Impl> +void +LSQ<Impl>::switchOut() +{ + for (int tid = 0; tid < numThreads; tid++) { + thread[tid].switchOut(); + } +} + +template <class Impl> +void +LSQ<Impl>::takeOverFrom() +{ + for (int tid = 0; tid < numThreads; tid++) { + thread[tid].takeOverFrom(); + } +} + +template <class Impl> +int +LSQ<Impl>::entryAmount(int num_threads) +{ + if (lsqPolicy == Partitioned) { + return LQEntries / num_threads; + } else { + return 0; + } +} + +template <class Impl> +void +LSQ<Impl>::resetEntries() +{ + if (lsqPolicy != Dynamic || numThreads > 1) { + int active_threads = (*activeThreads).size(); + + list<unsigned>::iterator threads = (*activeThreads).begin(); + list<unsigned>::iterator list_end = (*activeThreads).end(); + + int maxEntries; + + if (lsqPolicy == Partitioned) { + maxEntries = LQEntries / active_threads; + } else if (lsqPolicy == Threshold && active_threads == 1) { + maxEntries = LQEntries; + } else { + maxEntries = LQEntries; + } + + while (threads != list_end) { + resizeEntries(maxEntries,*threads++); + } + } +} + +template<class Impl> +void +LSQ<Impl>::removeEntries(unsigned tid) +{ + thread[tid].clearLQ(); + thread[tid].clearSQ(); +} + +template<class Impl> +void +LSQ<Impl>::resizeEntries(unsigned size,unsigned tid) +{ + thread[tid].resizeLQ(size); + thread[tid].resizeSQ(size); +} + +template<class Impl> +void +LSQ<Impl>::tick() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + + thread[tid].tick(); + } +} + +template<class Impl> +void +LSQ<Impl>::insertLoad(DynInstPtr &load_inst) +{ + unsigned tid = load_inst->threadNumber; + + thread[tid].insertLoad(load_inst); +} + +template<class Impl> +void +LSQ<Impl>::insertStore(DynInstPtr &store_inst) +{ + unsigned tid = store_inst->threadNumber; + + thread[tid].insertStore(store_inst); +} + +template<class Impl> +Fault +LSQ<Impl>::executeLoad(DynInstPtr &inst) +{ + unsigned tid = inst->threadNumber; + + return thread[tid].executeLoad(inst); +} + +template<class Impl> +Fault +LSQ<Impl>::executeStore(DynInstPtr &inst) +{ + unsigned tid = inst->threadNumber; + + return thread[tid].executeStore(inst); +} + +template<class Impl> +void +LSQ<Impl>::writebackStores() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + + if (numStoresToWB(tid) > 0) { + DPRINTF(Writeback,"[tid:%i] Writing back stores. %i stores " + "available for Writeback.\n", tid, numStoresToWB(tid)); + } + + thread[tid].writebackStores(); + } +} + +template<class Impl> +bool +LSQ<Impl>::violation() +{ + /* Answers: Does Anybody Have a Violation?*/ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (thread[tid].violation()) + return true; + } + + return false; +} + +template<class Impl> +int +LSQ<Impl>::getCount() +{ + unsigned total = 0; + + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + total += getCount(tid); + } + + return total; +} + +template<class Impl> +int +LSQ<Impl>::numLoads() +{ + unsigned total = 0; + + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + total += numLoads(tid); + } + + return total; +} + +template<class Impl> +int +LSQ<Impl>::numStores() +{ + unsigned total = 0; + + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + total += thread[tid].numStores(); + } + + return total; +} + +template<class Impl> +int +LSQ<Impl>::numLoadsReady() +{ + unsigned total = 0; + + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + total += thread[tid].numLoadsReady(); + } + + return total; +} + +template<class Impl> +unsigned +LSQ<Impl>::numFreeEntries() +{ + unsigned total = 0; + + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + total += thread[tid].numFreeEntries(); + } + + return total; +} + +template<class Impl> +unsigned +LSQ<Impl>::numFreeEntries(unsigned tid) +{ + //if( lsqPolicy == Dynamic ) + //return numFreeEntries(); + //else + return thread[tid].numFreeEntries(); +} + +template<class Impl> +bool +LSQ<Impl>::isFull() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (! (thread[tid].lqFull() || thread[tid].sqFull()) ) + return false; + } + + return true; +} + +template<class Impl> +bool +LSQ<Impl>::isFull(unsigned tid) +{ + //@todo: Change to Calculate All Entries for + //Dynamic Policy + if( lsqPolicy == Dynamic ) + return isFull(); + else + return thread[tid].lqFull() || thread[tid].sqFull(); +} + +template<class Impl> +bool +LSQ<Impl>::lqFull() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (!thread[tid].lqFull()) + return false; + } + + return true; +} + +template<class Impl> +bool +LSQ<Impl>::lqFull(unsigned tid) +{ + //@todo: Change to Calculate All Entries for + //Dynamic Policy + if( lsqPolicy == Dynamic ) + return lqFull(); + else + return thread[tid].lqFull(); +} + +template<class Impl> +bool +LSQ<Impl>::sqFull() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (!sqFull(tid)) + return false; + } + + return true; +} + +template<class Impl> +bool +LSQ<Impl>::sqFull(unsigned tid) +{ + //@todo: Change to Calculate All Entries for + //Dynamic Policy + if( lsqPolicy == Dynamic ) + return sqFull(); + else + return thread[tid].sqFull(); +} + +template<class Impl> +bool +LSQ<Impl>::isStalled() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (!thread[tid].isStalled()) + return false; + } + + return true; +} + +template<class Impl> +bool +LSQ<Impl>::isStalled(unsigned tid) +{ + if( lsqPolicy == Dynamic ) + return isStalled(); + else + return thread[tid].isStalled(); +} + +template<class Impl> +bool +LSQ<Impl>::hasStoresToWB() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (!hasStoresToWB(tid)) + return false; + } + + return true; +} + +template<class Impl> +bool +LSQ<Impl>::willWB() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + if (!willWB(tid)) + return false; + } + + return true; +} + +template<class Impl> +void +LSQ<Impl>::dumpInsts() +{ + list<unsigned>::iterator active_threads = (*activeThreads).begin(); + + while (active_threads != (*activeThreads).end()) { + unsigned tid = *active_threads++; + thread[tid].dumpInsts(); + } +} |