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authorGabe Black <gblack@eecs.umich.edu>2006-07-26 03:48:48 -0400
committerGabe Black <gblack@eecs.umich.edu>2006-07-26 03:48:48 -0400
commit36e9ca5611b3fb38cba2fc190836c022d99973e4 (patch)
treeeb8993d3529364489bc8ec68fbdabde515be24f5 /src/cpu/o3/mips
parente803c8a9120b1d7f30490703d1ff84bcbcb8deed (diff)
parent6e969c31c7c0671ce201f40dd67afad2e9fee832 (diff)
downloadgem5-36e9ca5611b3fb38cba2fc190836c022d99973e4.tar.xz
Merge zizzer.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmem --HG-- extra : convert_revision : 3bb2cdd9b286e7f0235fb5fd5099b89775e05a10
Diffstat (limited to 'src/cpu/o3/mips')
-rwxr-xr-xsrc/cpu/o3/mips/cpu.cc39
-rwxr-xr-xsrc/cpu/o3/mips/cpu.hh153
-rw-r--r--src/cpu/o3/mips/cpu_builder.cc394
-rw-r--r--src/cpu/o3/mips/cpu_impl.hh253
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst.cc37
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst.hh282
-rwxr-xr-xsrc/cpu/o3/mips/dyn_inst_impl.hh116
-rw-r--r--src/cpu/o3/mips/impl.hh93
-rw-r--r--src/cpu/o3/mips/params.hh63
-rwxr-xr-xsrc/cpu/o3/mips/thread_context.cc36
-rw-r--r--src/cpu/o3/mips/thread_context.hh67
11 files changed, 1533 insertions, 0 deletions
diff --git a/src/cpu/o3/mips/cpu.cc b/src/cpu/o3/mips/cpu.cc
new file mode 100755
index 000000000..420f460b2
--- /dev/null
+++ b/src/cpu/o3/mips/cpu.cc
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include "cpu/o3/mips/impl.hh"
+#include "cpu/o3/mips/cpu_impl.hh"
+#include "cpu/o3/mips/dyn_inst.hh"
+
+// Force instantiation of MipsO3CPU for all the implemntations that are
+// needed. Consider merging this and mips_dyn_inst.cc, and maybe all
+// classes that depend on a certain impl, into one file (mips_impl.cc?).
+template class MipsO3CPU<MipsSimpleImpl>;
diff --git a/src/cpu/o3/mips/cpu.hh b/src/cpu/o3/mips/cpu.hh
new file mode 100755
index 000000000..1813e8656
--- /dev/null
+++ b/src/cpu/o3/mips/cpu.hh
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#ifndef __CPU_O3_MIPS_CPU_HH__
+#define __CPU_O3_MIPS_CPU_HH__
+
+#include "arch/isa_traits.hh"
+#include "cpu/thread_context.hh"
+#include "cpu/o3/cpu.hh"
+#include "sim/byteswap.hh"
+
+class EndQuiesceEvent;
+namespace Kernel {
+ class Statistics;
+};
+
+class TranslatingPort;
+
+/**
+ * MipsO3CPU class. Derives from the FullO3CPU class, and
+ * implements all ISA and implementation specific functions of the
+ * CPU. This is the CPU class that is used for the SimObjects, and is
+ * what is given to the DynInsts. Most of its state exists in the
+ * FullO3CPU; the state is has is mainly for ISA specific
+ * functionality.
+ */
+template <class Impl>
+class MipsO3CPU : public FullO3CPU<Impl>
+{
+ protected:
+ typedef TheISA::IntReg IntReg;
+ typedef TheISA::FloatReg FloatReg;
+ typedef TheISA::FloatRegBits FloatRegBits;
+ typedef TheISA::MiscReg MiscReg;
+ typedef TheISA::RegFile RegFile;
+ typedef TheISA::MiscRegFile MiscRegFile;
+
+ public:
+ typedef O3ThreadState<Impl> ImplState;
+ typedef O3ThreadState<Impl> Thread;
+ typedef typename Impl::Params Params;
+
+ /** Constructs an MipsO3CPU with the given parameters. */
+ MipsO3CPU(Params *params);
+
+ /** Registers statistics. */
+ void regStats();
+
+ /** Translates instruction requestion in syscall emulation mode. */
+ Fault translateInstReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+ /** Translates data read request in syscall emulation mode. */
+ Fault translateDataReadReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+ /** Translates data write request in syscall emulation mode. */
+ Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
+ {
+ return thread->getProcessPtr()->pTable->translate(req);
+ }
+
+ /** Reads a miscellaneous register. */
+ MiscReg readMiscReg(int misc_reg, unsigned tid);
+
+ /** Reads a misc. register, including any side effects the read
+ * might have as defined by the architecture.
+ */
+ MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault, unsigned tid);
+
+ /** Sets a miscellaneous register. */
+ Fault setMiscReg(int misc_reg, const MiscReg &val, unsigned tid);
+
+ /** Sets a misc. register, including any side effects the write
+ * might have as defined by the architecture.
+ */
+ Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val, unsigned tid);
+
+ /** Initiates a squash of all in-flight instructions for a given
+ * thread. The source of the squash is an external update of
+ * state through the TC.
+ */
+ void squashFromTC(unsigned tid);
+
+ /** Traps to handle given fault. */
+ void trap(Fault fault, unsigned tid);
+
+ /** Executes a syscall.
+ * @todo: Determine if this needs to be virtual.
+ */
+ void syscall(int64_t callnum, int tid);
+ /** Gets a syscall argument. */
+ IntReg getSyscallArg(int i, int tid);
+
+ /** Used to shift args for indirect syscall. */
+ void setSyscallArg(int i, IntReg val, int tid);
+
+ /** Sets the return value of a syscall. */
+ void setSyscallReturn(SyscallReturn return_value, int tid);
+
+ /** CPU read function, forwards read to LSQ. */
+ template <class T>
+ Fault read(RequestPtr &req, T &data, int load_idx)
+ {
+ return this->iew.ldstQueue.read(req, data, load_idx);
+ }
+
+ /** CPU write function, forwards write to LSQ. */
+ template <class T>
+ Fault write(RequestPtr &req, T &data, int store_idx)
+ {
+ return this->iew.ldstQueue.write(req, data, store_idx);
+ }
+
+ Addr lockAddr;
+
+ /** Temporary fix for the lock flag, works in the UP case. */
+ bool lockFlag;
+};
+
+#endif // __CPU_O3_MIPS_CPU_HH__
diff --git a/src/cpu/o3/mips/cpu_builder.cc b/src/cpu/o3/mips/cpu_builder.cc
new file mode 100644
index 000000000..f1c3b33a5
--- /dev/null
+++ b/src/cpu/o3/mips/cpu_builder.cc
@@ -0,0 +1,394 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include <string>
+
+#include "cpu/base.hh"
+#include "cpu/o3/mips/cpu.hh"
+#include "cpu/o3/mips/impl.hh"
+#include "cpu/o3/mips/params.hh"
+#include "cpu/o3/fu_pool.hh"
+#include "sim/builder.hh"
+
+class DerivO3CPU : public MipsO3CPU<MipsSimpleImpl>
+{
+ public:
+ DerivO3CPU(MipsSimpleParams *p)
+ : MipsO3CPU<MipsSimpleImpl>(p)
+ { }
+};
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+Param<int> clock;
+Param<int> numThreads;
+Param<int> activity;
+
+SimObjectVectorParam<Process *> workload;
+
+SimObjectParam<MemObject *> mem;
+
+SimObjectParam<BaseCPU *> checker;
+
+Param<Counter> max_insts_any_thread;
+Param<Counter> max_insts_all_threads;
+Param<Counter> max_loads_any_thread;
+Param<Counter> max_loads_all_threads;
+
+Param<unsigned> cachePorts;
+
+Param<unsigned> decodeToFetchDelay;
+Param<unsigned> renameToFetchDelay;
+Param<unsigned> iewToFetchDelay;
+Param<unsigned> commitToFetchDelay;
+Param<unsigned> fetchWidth;
+
+Param<unsigned> renameToDecodeDelay;
+Param<unsigned> iewToDecodeDelay;
+Param<unsigned> commitToDecodeDelay;
+Param<unsigned> fetchToDecodeDelay;
+Param<unsigned> decodeWidth;
+
+Param<unsigned> iewToRenameDelay;
+Param<unsigned> commitToRenameDelay;
+Param<unsigned> decodeToRenameDelay;
+Param<unsigned> renameWidth;
+
+Param<unsigned> commitToIEWDelay;
+Param<unsigned> renameToIEWDelay;
+Param<unsigned> issueToExecuteDelay;
+Param<unsigned> dispatchWidth;
+Param<unsigned> issueWidth;
+Param<unsigned> wbWidth;
+Param<unsigned> wbDepth;
+SimObjectParam<FUPool *> fuPool;
+
+Param<unsigned> iewToCommitDelay;
+Param<unsigned> renameToROBDelay;
+Param<unsigned> commitWidth;
+Param<unsigned> squashWidth;
+Param<Tick> trapLatency;
+
+Param<unsigned> backComSize;
+Param<unsigned> forwardComSize;
+
+Param<std::string> predType;
+Param<unsigned> localPredictorSize;
+Param<unsigned> localCtrBits;
+Param<unsigned> localHistoryTableSize;
+Param<unsigned> localHistoryBits;
+Param<unsigned> globalPredictorSize;
+Param<unsigned> globalCtrBits;
+Param<unsigned> globalHistoryBits;
+Param<unsigned> choicePredictorSize;
+Param<unsigned> choiceCtrBits;
+
+Param<unsigned> BTBEntries;
+Param<unsigned> BTBTagSize;
+
+Param<unsigned> RASSize;
+
+Param<unsigned> LQEntries;
+Param<unsigned> SQEntries;
+Param<unsigned> LFSTSize;
+Param<unsigned> SSITSize;
+
+Param<unsigned> numPhysIntRegs;
+Param<unsigned> numPhysFloatRegs;
+Param<unsigned> numIQEntries;
+Param<unsigned> numROBEntries;
+
+Param<unsigned> smtNumFetchingThreads;
+Param<std::string> smtFetchPolicy;
+Param<std::string> smtLSQPolicy;
+Param<unsigned> smtLSQThreshold;
+Param<std::string> smtIQPolicy;
+Param<unsigned> smtIQThreshold;
+Param<std::string> smtROBPolicy;
+Param<unsigned> smtROBThreshold;
+Param<std::string> smtCommitPolicy;
+
+Param<unsigned> instShiftAmt;
+
+Param<bool> defer_registration;
+
+Param<bool> function_trace;
+Param<Tick> function_trace_start;
+
+END_DECLARE_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+ INIT_PARAM(clock, "clock speed"),
+ INIT_PARAM(numThreads, "number of HW thread contexts"),
+ INIT_PARAM_DFLT(activity, "Initial activity count", 0),
+
+ INIT_PARAM(workload, "Processes to run"),
+
+ INIT_PARAM(mem, "Memory"),
+
+ INIT_PARAM_DFLT(checker, "Checker CPU", NULL),
+
+ INIT_PARAM_DFLT(max_insts_any_thread,
+ "Terminate when any thread reaches this inst count",
+ 0),
+ INIT_PARAM_DFLT(max_insts_all_threads,
+ "Terminate when all threads have reached"
+ "this inst count",
+ 0),
+ INIT_PARAM_DFLT(max_loads_any_thread,
+ "Terminate when any thread reaches this load count",
+ 0),
+ INIT_PARAM_DFLT(max_loads_all_threads,
+ "Terminate when all threads have reached this load"
+ "count",
+ 0),
+
+ INIT_PARAM_DFLT(cachePorts, "Cache Ports", 200),
+
+ INIT_PARAM(decodeToFetchDelay, "Decode to fetch delay"),
+ INIT_PARAM(renameToFetchDelay, "Rename to fetch delay"),
+ INIT_PARAM(iewToFetchDelay, "Issue/Execute/Writeback to fetch"
+ "delay"),
+ INIT_PARAM(commitToFetchDelay, "Commit to fetch delay"),
+ INIT_PARAM(fetchWidth, "Fetch width"),
+ INIT_PARAM(renameToDecodeDelay, "Rename to decode delay"),
+ INIT_PARAM(iewToDecodeDelay, "Issue/Execute/Writeback to decode"
+ "delay"),
+ INIT_PARAM(commitToDecodeDelay, "Commit to decode delay"),
+ INIT_PARAM(fetchToDecodeDelay, "Fetch to decode delay"),
+ INIT_PARAM(decodeWidth, "Decode width"),
+
+ INIT_PARAM(iewToRenameDelay, "Issue/Execute/Writeback to rename"
+ "delay"),
+ INIT_PARAM(commitToRenameDelay, "Commit to rename delay"),
+ INIT_PARAM(decodeToRenameDelay, "Decode to rename delay"),
+ INIT_PARAM(renameWidth, "Rename width"),
+
+ INIT_PARAM(commitToIEWDelay, "Commit to "
+ "Issue/Execute/Writeback delay"),
+ INIT_PARAM(renameToIEWDelay, "Rename to "
+ "Issue/Execute/Writeback delay"),
+ INIT_PARAM(issueToExecuteDelay, "Issue to execute delay (internal"
+ "to the IEW stage)"),
+ INIT_PARAM(dispatchWidth, "Dispatch width"),
+ INIT_PARAM(issueWidth, "Issue width"),
+ INIT_PARAM(wbWidth, "Writeback width"),
+ INIT_PARAM(wbDepth, "Writeback depth (number of cycles it can buffer)"),
+ INIT_PARAM_DFLT(fuPool, "Functional unit pool", NULL),
+
+ INIT_PARAM(iewToCommitDelay, "Issue/Execute/Writeback to commit "
+ "delay"),
+ INIT_PARAM(renameToROBDelay, "Rename to reorder buffer delay"),
+ INIT_PARAM(commitWidth, "Commit width"),
+ INIT_PARAM(squashWidth, "Squash width"),
+ INIT_PARAM_DFLT(trapLatency, "Number of cycles before the trap is handled", 6),
+
+ INIT_PARAM(backComSize, "Time buffer size for backwards communication"),
+ INIT_PARAM(forwardComSize, "Time buffer size for forward communication"),
+
+ INIT_PARAM(predType, "Type of branch predictor ('local', 'tournament')"),
+ INIT_PARAM(localPredictorSize, "Size of local predictor"),
+ INIT_PARAM(localCtrBits, "Bits per counter"),
+ INIT_PARAM(localHistoryTableSize, "Size of local history table"),
+ INIT_PARAM(localHistoryBits, "Bits for the local history"),
+ INIT_PARAM(globalPredictorSize, "Size of global predictor"),
+ INIT_PARAM(globalCtrBits, "Bits per counter"),
+ INIT_PARAM(globalHistoryBits, "Bits of history"),
+ INIT_PARAM(choicePredictorSize, "Size of choice predictor"),
+ INIT_PARAM(choiceCtrBits, "Bits of choice counters"),
+
+ INIT_PARAM(BTBEntries, "Number of BTB entries"),
+ INIT_PARAM(BTBTagSize, "Size of the BTB tags, in bits"),
+
+ INIT_PARAM(RASSize, "RAS size"),
+
+ INIT_PARAM(LQEntries, "Number of load queue entries"),
+ INIT_PARAM(SQEntries, "Number of store queue entries"),
+ INIT_PARAM(LFSTSize, "Last fetched store table size"),
+ INIT_PARAM(SSITSize, "Store set ID table size"),
+
+ INIT_PARAM(numPhysIntRegs, "Number of physical integer registers"),
+ INIT_PARAM(numPhysFloatRegs, "Number of physical floating point "
+ "registers"),
+ INIT_PARAM(numIQEntries, "Number of instruction queue entries"),
+ INIT_PARAM(numROBEntries, "Number of reorder buffer entries"),
+
+ INIT_PARAM_DFLT(smtNumFetchingThreads, "SMT Number of Fetching Threads", 1),
+ INIT_PARAM_DFLT(smtFetchPolicy, "SMT Fetch Policy", "SingleThread"),
+ INIT_PARAM_DFLT(smtLSQPolicy, "SMT LSQ Sharing Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtLSQThreshold,"SMT LSQ Threshold", 100),
+ INIT_PARAM_DFLT(smtIQPolicy, "SMT IQ Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtIQThreshold, "SMT IQ Threshold", 100),
+ INIT_PARAM_DFLT(smtROBPolicy, "SMT ROB Sharing Policy", "Partitioned"),
+ INIT_PARAM_DFLT(smtROBThreshold,"SMT ROB Threshold", 100),
+ INIT_PARAM_DFLT(smtCommitPolicy,"SMT Commit Fetch Policy", "RoundRobin"),
+
+ INIT_PARAM(instShiftAmt, "Number of bits to shift instructions by"),
+ INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
+
+ INIT_PARAM(function_trace, "Enable function trace"),
+ INIT_PARAM(function_trace_start, "Cycle to start function trace")
+
+END_INIT_SIM_OBJECT_PARAMS(DerivO3CPU)
+
+CREATE_SIM_OBJECT(DerivO3CPU)
+{
+ DerivO3CPU *cpu;
+
+ // In non-full-system mode, we infer the number of threads from
+ // the workload if it's not explicitly specified.
+ int actual_num_threads =
+ (numThreads.isValid() && numThreads >= workload.size()) ?
+ numThreads : workload.size();
+
+ if (workload.size() == 0) {
+ fatal("Must specify at least one workload!");
+ }
+
+ MipsSimpleParams *params = new MipsSimpleParams;
+
+ params->clock = clock;
+
+ params->name = getInstanceName();
+ params->numberOfThreads = actual_num_threads;
+ params->activity = activity;
+
+ params->workload = workload;
+
+ params->mem = mem;
+
+ params->checker = checker;
+
+ params->max_insts_any_thread = max_insts_any_thread;
+ params->max_insts_all_threads = max_insts_all_threads;
+ params->max_loads_any_thread = max_loads_any_thread;
+ params->max_loads_all_threads = max_loads_all_threads;
+
+ //
+ // Caches
+ //
+ params->cachePorts = cachePorts;
+
+ params->decodeToFetchDelay = decodeToFetchDelay;
+ params->renameToFetchDelay = renameToFetchDelay;
+ params->iewToFetchDelay = iewToFetchDelay;
+ params->commitToFetchDelay = commitToFetchDelay;
+ params->fetchWidth = fetchWidth;
+
+ params->renameToDecodeDelay = renameToDecodeDelay;
+ params->iewToDecodeDelay = iewToDecodeDelay;
+ params->commitToDecodeDelay = commitToDecodeDelay;
+ params->fetchToDecodeDelay = fetchToDecodeDelay;
+ params->decodeWidth = decodeWidth;
+
+ params->iewToRenameDelay = iewToRenameDelay;
+ params->commitToRenameDelay = commitToRenameDelay;
+ params->decodeToRenameDelay = decodeToRenameDelay;
+ params->renameWidth = renameWidth;
+
+ params->commitToIEWDelay = commitToIEWDelay;
+ params->renameToIEWDelay = renameToIEWDelay;
+ params->issueToExecuteDelay = issueToExecuteDelay;
+ params->dispatchWidth = dispatchWidth;
+ params->issueWidth = issueWidth;
+ params->wbWidth = wbWidth;
+ params->wbDepth = wbDepth;
+ params->fuPool = fuPool;
+
+ params->iewToCommitDelay = iewToCommitDelay;
+ params->renameToROBDelay = renameToROBDelay;
+ params->commitWidth = commitWidth;
+ params->squashWidth = squashWidth;
+ params->trapLatency = trapLatency;
+
+ params->backComSize = backComSize;
+ params->forwardComSize = forwardComSize;
+
+ params->predType = predType;
+ params->localPredictorSize = localPredictorSize;
+ params->localCtrBits = localCtrBits;
+ params->localHistoryTableSize = localHistoryTableSize;
+ params->localHistoryBits = localHistoryBits;
+ params->globalPredictorSize = globalPredictorSize;
+ params->globalCtrBits = globalCtrBits;
+ params->globalHistoryBits = globalHistoryBits;
+ params->choicePredictorSize = choicePredictorSize;
+ params->choiceCtrBits = choiceCtrBits;
+
+ params->BTBEntries = BTBEntries;
+ params->BTBTagSize = BTBTagSize;
+
+ params->RASSize = RASSize;
+
+ params->LQEntries = LQEntries;
+ params->SQEntries = SQEntries;
+
+ params->SSITSize = SSITSize;
+ params->LFSTSize = LFSTSize;
+
+ params->numPhysIntRegs = numPhysIntRegs;
+ params->numPhysFloatRegs = numPhysFloatRegs;
+ params->numIQEntries = numIQEntries;
+ params->numROBEntries = numROBEntries;
+
+ params->smtNumFetchingThreads = smtNumFetchingThreads;
+
+ // Default smtFetchPolicy to "RoundRobin", if necessary.
+ std::string round_robin_policy = "RoundRobin";
+ std::string single_thread = "SingleThread";
+
+ if (actual_num_threads > 1 && single_thread.compare(smtFetchPolicy) == 0)
+ params->smtFetchPolicy = round_robin_policy;
+ else
+ params->smtFetchPolicy = smtFetchPolicy;
+
+ params->smtIQPolicy = smtIQPolicy;
+ params->smtLSQPolicy = smtLSQPolicy;
+ params->smtLSQThreshold = smtLSQThreshold;
+ params->smtROBPolicy = smtROBPolicy;
+ params->smtROBThreshold = smtROBThreshold;
+ params->smtCommitPolicy = smtCommitPolicy;
+
+ params->instShiftAmt = 2;
+
+ params->deferRegistration = defer_registration;
+
+ params->functionTrace = function_trace;
+ params->functionTraceStart = function_trace_start;
+
+ cpu = new DerivO3CPU(params);
+
+ return cpu;
+}
+
+REGISTER_SIM_OBJECT("DerivO3CPU", DerivO3CPU)
+
diff --git a/src/cpu/o3/mips/cpu_impl.hh b/src/cpu/o3/mips/cpu_impl.hh
new file mode 100644
index 000000000..6b9f3ae10
--- /dev/null
+++ b/src/cpu/o3/mips/cpu_impl.hh
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include "config/use_checker.hh"
+
+#include "arch/mips/faults.hh"
+#include "base/cprintf.hh"
+#include "base/statistics.hh"
+#include "base/timebuf.hh"
+#include "cpu/checker/thread_context.hh"
+#include "sim/sim_events.hh"
+#include "sim/stats.hh"
+
+#include "cpu/o3/mips/cpu.hh"
+#include "cpu/o3/mips/params.hh"
+#include "cpu/o3/mips/thread_context.hh"
+#include "cpu/o3/comm.hh"
+#include "cpu/o3/thread_state.hh"
+
+using namespace TheISA;
+
+template <class Impl>
+MipsO3CPU<Impl>::MipsO3CPU(Params *params)
+ : FullO3CPU<Impl>(params)
+{
+ DPRINTF(O3CPU, "Creating MipsO3CPU object.\n");
+
+ // Setup any thread state.
+ this->thread.resize(this->numThreads);
+
+ for (int i = 0; i < this->numThreads; ++i) {
+ if (i < params->workload.size()) {
+ DPRINTF(O3CPU, "Workload[%i] process is %#x",
+ i, this->thread[i]);
+ this->thread[i] = new Thread(this, i, params->workload[i],
+ i, params->mem);
+
+ this->thread[i]->setStatus(ThreadContext::Suspended);
+
+
+ /* Use this port to for syscall emulation writes to memory. */
+ Port *mem_port;
+ TranslatingPort *trans_port;
+ trans_port = new TranslatingPort(csprintf("%s-%d-funcport",
+ name(), i),
+ params->workload[i]->pTable,
+ false);
+ mem_port = params->mem->getPort("functional");
+ mem_port->setPeer(trans_port);
+ trans_port->setPeer(mem_port);
+ this->thread[i]->setMemPort(trans_port);
+
+ //usedTids[i] = true;
+ //threadMap[i] = i;
+ } else {
+ //Allocate Empty thread so M5 can use later
+ //when scheduling threads to CPU
+ Process* dummy_proc = NULL;
+
+ this->thread[i] = new Thread(this, i, dummy_proc, i, params->mem);
+ //usedTids[i] = false;
+ }
+
+ ThreadContext *tc;
+
+ // Setup the TC that will serve as the interface to the threads/CPU.
+ MipsTC<Impl> *mips_tc =
+ new MipsTC<Impl>;
+
+ tc = mips_tc;
+
+ // If we're using a checker, then the TC should be the
+ // CheckerThreadContext.
+#if USE_CHECKER
+ if (params->checker) {
+ tc = new CheckerThreadContext<MipsTC<Impl> >(
+ mips_tc, this->checker);
+ }
+#endif
+
+ mips_tc->cpu = this;
+ mips_tc->thread = this->thread[i];
+
+ // Give the thread the TC.
+ this->thread[i]->tc = tc;
+
+ // Add the TC to the CPU's list of TC's.
+ this->threadContexts.push_back(tc);
+ }
+
+ for (int i=0; i < this->numThreads; i++) {
+ this->thread[i]->setFuncExeInst(0);
+ }
+
+ // Sets CPU pointers. These must be set at this level because the CPU
+ // pointers are defined to be the highest level of CPU class.
+ this->fetch.setCPU(this);
+ this->decode.setCPU(this);
+ this->rename.setCPU(this);
+ this->iew.setCPU(this);
+ this->commit.setCPU(this);
+
+ this->rob.setCPU(this);
+ this->regFile.setCPU(this);
+
+ lockAddr = 0;
+ lockFlag = false;
+}
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::regStats()
+{
+ // Register stats for everything that has stats.
+ this->fullCPURegStats();
+ this->fetch.regStats();
+ this->decode.regStats();
+ this->rename.regStats();
+ this->iew.regStats();
+ this->commit.regStats();
+}
+
+
+template <class Impl>
+MiscReg
+MipsO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid)
+{
+ return this->regFile.readMiscReg(misc_reg, tid);
+}
+
+template <class Impl>
+MiscReg
+MipsO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, Fault &fault,
+ unsigned tid)
+{
+ return this->regFile.readMiscRegWithEffect(misc_reg, fault, tid);
+}
+
+template <class Impl>
+Fault
+MipsO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, unsigned tid)
+{
+ return this->regFile.setMiscReg(misc_reg, val, tid);
+}
+
+template <class Impl>
+Fault
+MipsO3CPU<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val,
+ unsigned tid)
+{
+ return this->regFile.setMiscRegWithEffect(misc_reg, val, tid);
+}
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::squashFromTC(unsigned tid)
+{
+ this->thread[tid]->inSyscall = true;
+ this->commit.generateTCEvent(tid);
+}
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::trap(Fault fault, unsigned tid)
+{
+ // Pass the thread's TC into the invoke method.
+ fault->invoke(this->threadContexts[tid]);
+}
+
+#if !FULL_SYSTEM
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::syscall(int64_t callnum, int tid)
+{
+ DPRINTF(O3CPU, "[tid:%i] Executing syscall().\n\n", tid);
+
+ DPRINTF(Activity,"Activity: syscall() called.\n");
+
+ // Temporarily increase this by one to account for the syscall
+ // instruction.
+ ++(this->thread[tid]->funcExeInst);
+
+ // Execute the actual syscall.
+ this->thread[tid]->syscall(callnum);
+
+ // Decrease funcExeInst by one as the normal commit will handle
+ // incrementing it.
+ --(this->thread[tid]->funcExeInst);
+
+ DPRINTF(O3CPU, "[tid:%i] Register 2 is %i ", tid, this->readIntReg(2));
+}
+
+template <class Impl>
+TheISA::IntReg
+MipsO3CPU<Impl>::getSyscallArg(int i, int tid)
+{
+ return this->readArchIntReg(MipsISA::ArgumentReg0 + i, tid);
+}
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::setSyscallArg(int i, IntReg val, int tid)
+{
+ this->setArchIntReg(MipsISA::ArgumentReg0 + i, val, tid);
+}
+
+template <class Impl>
+void
+MipsO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid)
+{
+ // check for error condition. Mips syscall convention is to
+ // indicate success/failure in reg a3 (r19) and put the
+ // return value itself in the standard return value reg (v0).
+ if (return_value.successful()) {
+ // no error
+ this->setArchIntReg(SyscallSuccessReg, 0, tid);
+ this->setArchIntReg(ReturnValueReg, return_value.value(), tid);
+ } else {
+ // got an error, return details
+ this->setArchIntReg(SyscallSuccessReg, (IntReg) -1, tid);
+ this->setArchIntReg(ReturnValueReg, -return_value.value(), tid);
+ }
+}
+#endif
diff --git a/src/cpu/o3/mips/dyn_inst.cc b/src/cpu/o3/mips/dyn_inst.cc
new file mode 100755
index 000000000..216aa7d2c
--- /dev/null
+++ b/src/cpu/o3/mips/dyn_inst.cc
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include "cpu/o3/mips/dyn_inst_impl.hh"
+#include "cpu/o3/mips/impl.hh"
+
+// Force instantiation of MipsDynInst for all the implementations that
+// are needed.
+template class MipsDynInst<MipsSimpleImpl>;
diff --git a/src/cpu/o3/mips/dyn_inst.hh b/src/cpu/o3/mips/dyn_inst.hh
new file mode 100755
index 000000000..06bdfcec4
--- /dev/null
+++ b/src/cpu/o3/mips/dyn_inst.hh
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#ifndef __CPU_O3_MIPS_DYN_INST_HH__
+#define __CPU_O3_MIPS_DYN_INST_HH__
+
+#include "arch/isa_traits.hh"
+#include "cpu/base_dyn_inst.hh"
+#include "cpu/inst_seq.hh"
+#include "cpu/o3/mips/cpu.hh"
+#include "cpu/o3/mips/impl.hh"
+
+class Packet;
+
+/**
+ * Mostly implementation & ISA specific MipsDynInst. As with most
+ * other classes in the new CPU model, it is templated on the Impl to
+ * allow for passing in of all types, such as the CPU type and the ISA
+ * type. The MipsDynInst serves as the primary interface to the CPU
+ * for instructions that are executing.
+ */
+template <class Impl>
+class MipsDynInst : public BaseDynInst<Impl>
+{
+ public:
+ /** Typedef for the CPU. */
+ typedef typename Impl::O3CPU O3CPU;
+
+ /** Binary machine instruction type. */
+ typedef TheISA::MachInst MachInst;
+ /** Extended machine instruction type. */
+ typedef TheISA::ExtMachInst ExtMachInst;
+ /** Logical register index type. */
+ typedef TheISA::RegIndex RegIndex;
+ /** Integer register index type. */
+ typedef TheISA::IntReg IntReg;
+ typedef TheISA::FloatReg FloatReg;
+ typedef TheISA::FloatRegBits FloatRegBits;
+ /** Misc register index type. */
+ typedef TheISA::MiscReg MiscReg;
+
+ enum {
+ MaxInstSrcRegs = TheISA::MaxInstSrcRegs, //< Max source regs
+ MaxInstDestRegs = TheISA::MaxInstDestRegs, //< Max dest regs
+ };
+
+ public:
+ /** BaseDynInst constructor given a binary instruction. */
+ MipsDynInst(ExtMachInst inst, Addr PC, Addr Pred_PC, InstSeqNum seq_num,
+ O3CPU *cpu);
+
+ /** BaseDynInst constructor given a static inst pointer. */
+ MipsDynInst(StaticInstPtr &_staticInst);
+
+ /** Executes the instruction.*/
+ Fault execute();
+
+ /** Initiates the access. Only valid for memory operations. */
+ Fault initiateAcc();
+
+ /** Completes the access. Only valid for memory operations. */
+ Fault completeAcc(Packet *pkt);
+
+ private:
+ /** Initializes variables. */
+ void initVars();
+
+ public:
+ /** Reads a miscellaneous register. */
+ MiscReg readMiscReg(int misc_reg)
+ {
+ return this->cpu->readMiscReg(misc_reg, this->threadNumber);
+ }
+
+ /** Reads a misc. register, including any side-effects the read
+ * might have as defined by the architecture.
+ */
+ MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault)
+ {
+ return this->cpu->readMiscRegWithEffect(misc_reg, fault,
+ this->threadNumber);
+ }
+
+ /** Sets a misc. register. */
+ Fault setMiscReg(int misc_reg, const MiscReg &val)
+ {
+ this->instResult.integer = val;
+ return this->cpu->setMiscReg(misc_reg, val, this->threadNumber);
+ }
+
+ /** Sets a misc. register, including any side-effects the write
+ * might have as defined by the architecture.
+ */
+ Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val)
+ {
+ return this->cpu->setMiscRegWithEffect(misc_reg, val,
+ this->threadNumber);
+ }
+
+ /** Calls a syscall. */
+ void syscall(int64_t callnum);
+
+ private:
+ /** Physical register index of the destination registers of this
+ * instruction.
+ */
+ PhysRegIndex _destRegIdx[MaxInstDestRegs];
+
+ /** Physical register index of the source registers of this
+ * instruction.
+ */
+ PhysRegIndex _srcRegIdx[MaxInstSrcRegs];
+
+ /** Physical register index of the previous producers of the
+ * architected destinations.
+ */
+ PhysRegIndex _prevDestRegIdx[MaxInstDestRegs];
+
+ public:
+
+ // The register accessor methods provide the index of the
+ // instruction's operand (e.g., 0 or 1), not the architectural
+ // register index, to simplify the implementation of register
+ // renaming. We find the architectural register index by indexing
+ // into the instruction's own operand index table. Note that a
+ // raw pointer to the StaticInst is provided instead of a
+ // ref-counted StaticInstPtr to redice overhead. This is fine as
+ // long as these methods don't copy the pointer into any long-term
+ // storage (which is pretty hard to imagine they would have reason
+ // to do).
+
+ uint64_t readIntReg(const StaticInst *si, int idx)
+ {
+ return this->cpu->readIntReg(_srcRegIdx[idx]);
+ }
+
+ FloatReg readFloatReg(const StaticInst *si, int idx, int width)
+ {
+ return this->cpu->readFloatReg(_srcRegIdx[idx], width);
+ }
+
+ FloatReg readFloatReg(const StaticInst *si, int idx)
+ {
+ return this->cpu->readFloatReg(_srcRegIdx[idx]);
+ }
+
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx, int width)
+ {
+ return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
+ }
+
+ FloatRegBits readFloatRegBits(const StaticInst *si, int idx)
+ {
+ return this->cpu->readFloatRegBits(_srcRegIdx[idx]);
+ }
+
+ /** @todo: Make results into arrays so they can handle multiple dest
+ * registers.
+ */
+ void setIntReg(const StaticInst *si, int idx, uint64_t val)
+ {
+ this->cpu->setIntReg(_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setIntReg(si, idx, val);
+ }
+
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val, int width)
+ {
+ this->cpu->setFloatReg(_destRegIdx[idx], val, width);
+ BaseDynInst<Impl>::setFloatReg(si, idx, val, width);
+ }
+
+ void setFloatReg(const StaticInst *si, int idx, FloatReg val)
+ {
+ this->cpu->setFloatReg(_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setFloatReg(si, idx, val);
+ }
+
+ void setFloatRegBits(const StaticInst *si, int idx,
+ FloatRegBits val, int width)
+ {
+ this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
+ BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ }
+
+ void setFloatRegBits(const StaticInst *si, int idx, FloatRegBits val)
+ {
+ this->cpu->setFloatRegBits(_destRegIdx[idx], val);
+ BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
+ }
+
+ /** Returns the physical register index of the i'th destination
+ * register.
+ */
+ PhysRegIndex renamedDestRegIdx(int idx) const
+ {
+ return _destRegIdx[idx];
+ }
+
+ /** Returns the physical register index of the i'th source register. */
+ PhysRegIndex renamedSrcRegIdx(int idx) const
+ {
+ return _srcRegIdx[idx];
+ }
+
+ /** Returns the physical register index of the previous physical register
+ * that remapped to the same logical register index.
+ */
+ PhysRegIndex prevDestRegIdx(int idx) const
+ {
+ return _prevDestRegIdx[idx];
+ }
+
+ /** Renames a destination register to a physical register. Also records
+ * the previous physical register that the logical register mapped to.
+ */
+ void renameDestReg(int idx,
+ PhysRegIndex renamed_dest,
+ PhysRegIndex previous_rename)
+ {
+ _destRegIdx[idx] = renamed_dest;
+ _prevDestRegIdx[idx] = previous_rename;
+ }
+
+ /** Renames a source logical register to the physical register which
+ * has/will produce that logical register's result.
+ * @todo: add in whether or not the source register is ready.
+ */
+ void renameSrcReg(int idx, PhysRegIndex renamed_src)
+ {
+ _srcRegIdx[idx] = renamed_src;
+ }
+
+ public:
+ /** Calculates EA part of a memory instruction. Currently unused,
+ * though it may be useful in the future if we want to split
+ * memory operations into EA calculation and memory access parts.
+ */
+ Fault calcEA()
+ {
+ return this->staticInst->eaCompInst()->execute(this, this->traceData);
+ }
+
+ /** Does the memory access part of a memory instruction. Currently unused,
+ * though it may be useful in the future if we want to split
+ * memory operations into EA calculation and memory access parts.
+ */
+ Fault memAccess()
+ {
+ return this->staticInst->memAccInst()->execute(this, this->traceData);
+ }
+};
+
+#endif // __CPU_O3_MIPS_DYN_INST_HH__
+
diff --git a/src/cpu/o3/mips/dyn_inst_impl.hh b/src/cpu/o3/mips/dyn_inst_impl.hh
new file mode 100755
index 000000000..57dec1ccf
--- /dev/null
+++ b/src/cpu/o3/mips/dyn_inst_impl.hh
@@ -0,0 +1,116 @@
+/*
+ * 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.
+ *
+ * Authors: Kevin Lim
+ */
+
+#include "cpu/o3/mips/dyn_inst.hh"
+
+template <class Impl>
+MipsDynInst<Impl>::MipsDynInst(ExtMachInst inst, Addr PC, Addr Pred_PC,
+ InstSeqNum seq_num, O3CPU *cpu)
+ : BaseDynInst<Impl>(inst, PC, Pred_PC, seq_num, cpu)
+{
+ initVars();
+}
+
+template <class Impl>
+MipsDynInst<Impl>::MipsDynInst(StaticInstPtr &_staticInst)
+ : BaseDynInst<Impl>(_staticInst)
+{
+ initVars();
+}
+
+template <class Impl>
+void
+MipsDynInst<Impl>::initVars()
+{
+ // Make sure to have the renamed register entries set to the same
+ // as the normal register entries. It will allow the IQ to work
+ // without any modifications.
+ for (int i = 0; i < this->staticInst->numDestRegs(); i++) {
+ _destRegIdx[i] = this->staticInst->destRegIdx(i);
+ }
+
+ for (int i = 0; i < this->staticInst->numSrcRegs(); i++) {
+ _srcRegIdx[i] = this->staticInst->srcRegIdx(i);
+ this->_readySrcRegIdx[i] = 0;
+ }
+}
+
+template <class Impl>
+Fault
+MipsDynInst<Impl>::execute()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->execute(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+MipsDynInst<Impl>::initiateAcc()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->initiateAcc(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+MipsDynInst<Impl>::completeAcc(Packet *pkt)
+{
+ this->fault = this->staticInst->completeAcc(pkt, this, this->traceData);
+
+ return this->fault;
+}
+
+template <class Impl>
+void
+MipsDynInst<Impl>::syscall(int64_t callnum)
+{
+ this->cpu->syscall(callnum, this->threadNumber);
+}
+
diff --git a/src/cpu/o3/mips/impl.hh b/src/cpu/o3/mips/impl.hh
new file mode 100644
index 000000000..ac7181a19
--- /dev/null
+++ b/src/cpu/o3/mips/impl.hh
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#ifndef __CPU_O3_MIPS_IMPL_HH__
+#define __CPU_O3_MIPS_IMPL_HH__
+
+#include "arch/mips/isa_traits.hh"
+
+#include "cpu/o3/mips/params.hh"
+#include "cpu/o3/cpu_policy.hh"
+
+
+// Forward declarations.
+template <class Impl>
+class MipsDynInst;
+
+template <class Impl>
+class MipsO3CPU;
+
+/** Implementation specific struct that defines several key types to the
+ * CPU, the stages within the CPU, the time buffers, and the DynInst.
+ * The struct defines the ISA, the CPU policy, the specific DynInst, the
+ * specific O3CPU, and all of the structs from the time buffers to do
+ * communication.
+ * This is one of the key things that must be defined for each hardware
+ * specific CPU implementation.
+ */
+struct MipsSimpleImpl
+{
+ /** The type of MachInst. */
+ typedef TheISA::MachInst MachInst;
+
+ /** The CPU policy to be used, which defines all of the CPU stages. */
+ typedef SimpleCPUPolicy<MipsSimpleImpl> CPUPol;
+
+ /** The DynInst type to be used. */
+ typedef MipsDynInst<MipsSimpleImpl> DynInst;
+
+ /** The refcounted DynInst pointer to be used. In most cases this is
+ * what should be used, and not DynInst *.
+ */
+ typedef RefCountingPtr<DynInst> DynInstPtr;
+
+ /** The O3CPU type to be used. */
+ typedef MipsO3CPU<MipsSimpleImpl> O3CPU;
+
+ /** Same typedef, but for CPUType. BaseDynInst may not always use
+ * an O3 CPU, so it's clearer to call it CPUType instead in that
+ * case.
+ */
+ typedef O3CPU CPUType;
+
+ /** The Params to be passed to each stage. */
+ typedef MipsSimpleParams Params;
+
+ enum {
+ MaxWidth = 8,
+ MaxThreads = 4
+ };
+};
+
+/** The O3Impl to be used. */
+typedef MipsSimpleImpl O3CPUImpl;
+
+#endif // __CPU_O3_MIPS_IMPL_HH__
diff --git a/src/cpu/o3/mips/params.hh b/src/cpu/o3/mips/params.hh
new file mode 100644
index 000000000..d1ac62e21
--- /dev/null
+++ b/src/cpu/o3/mips/params.hh
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#ifndef __CPU_O3_MIPS_PARAMS_HH__
+#define __CPU_O3_MIPS_PARAMS_HH__
+
+#include "cpu/o3/cpu.hh"
+#include "cpu/o3/params.hh"
+
+//Forward declarations
+//class MipsDTB;
+//class MipsITB;
+class MemObject;
+class Process;
+class System;
+
+/**
+ * This file defines the parameters that will be used for the MipsO3CPU.
+ * This must be defined externally so that the Impl can have a params class
+ * defined that it can pass to all of the individual stages.
+ */
+
+class MipsSimpleParams : public O3Params
+{
+ public:
+ MipsSimpleParams() {}
+
+#if FULL_SYSTEM
+ //Full System Paramater Objects place here
+ MipsITB *itb;
+ MipsDTB *dtb;
+#endif
+};
+
+#endif // __CPU_O3_MIPS_PARAMS_HH__
diff --git a/src/cpu/o3/mips/thread_context.cc b/src/cpu/o3/mips/thread_context.cc
new file mode 100755
index 000000000..0061a2a63
--- /dev/null
+++ b/src/cpu/o3/mips/thread_context.cc
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include "cpu/o3/thread_context.hh"
+#include "cpu/o3/thread_context_impl.hh"
+
+template class O3ThreadContext<MipsSimpleImpl>;
+
diff --git a/src/cpu/o3/mips/thread_context.hh b/src/cpu/o3/mips/thread_context.hh
new file mode 100644
index 000000000..5b03426f1
--- /dev/null
+++ b/src/cpu/o3/mips/thread_context.hh
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 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.
+ *
+ * Authors: Kevin Lim
+ * Korey Sewell
+ */
+
+#include "cpu/o3/thread_context.hh"
+
+template <class Impl>
+class MipsTC : public O3ThreadContext<Impl>
+{
+ public:
+ virtual uint64_t readNextNPC()
+ {
+ return this->cpu->readNextNPC(this->thread->readTid());
+ }
+
+ virtual void setNextNPC(uint64_t val)
+ {
+ this->cpu->setNextNPC(val, this->thread->readTid());
+ }
+
+ virtual void changeRegFileContext(TheISA::RegFile::ContextParam param,
+ TheISA::RegFile::ContextVal val)
+ { panic("Not supported on Mips!"); }
+
+ /** This function exits the thread context in the CPU and returns
+ * 1 if the CPU has no more active threads (meaning it's OK to exit);
+ * Used in syscall-emulation mode when a thread executes the 'exit'
+ * syscall.
+ */
+ virtual int exit()
+ {
+ this->deallocate();
+
+ // If there are still threads executing in the system
+ if (this->cpu->numActiveThreads())
+ return 0; // don't exit simulation
+ else
+ return 1; // exit simulation
+ }
+};