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Initial changes to get O3 working with SPARC

Browse source 
src/arch/sparc/process.cc:
    MachineBytes doesn't exist any more.
src/arch/sparc/regfile.cc:
    Add in the miscRegFile for good measure.
src/cpu/o3/isa_specific.hh:
    Add in a section for SPARC
src/cpu/o3/sparc/cpu.cc:
src/cpu/o3/sparc/cpu.hh:
src/cpu/o3/sparc/cpu_builder.cc:
src/cpu/o3/sparc/cpu_impl.hh:
src/cpu/o3/sparc/dyn_inst.cc:
src/cpu/o3/sparc/dyn_inst.hh:
src/cpu/o3/sparc/dyn_inst_impl.hh:
src/cpu/o3/sparc/impl.hh:
src/cpu/o3/sparc/params.hh:
src/cpu/o3/sparc/thread_context.cc:
src/cpu/o3/sparc/thread_context.hh:
    Sparc version of this file.

--HG--
extra : convert_revision : 34bb5218f802d0a1328132a518cdd769fb59b6a4
This commit is contained in:
Gabe Black 2006-11-24 22:06:33 -05:00
parent 5f446e36b6
commit f2daf210f1
14 changed files with 1728 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/arch/sparc/process.cc
View file

@ -32,6 +32,7 @@
#include "arch/sparc/asi.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/process.hh"
#include "arch/sparc/types.hh"
#include "base/loader/object_file.hh"
#include "base/loader/elf_object.hh"
#include "base/misc.hh"
@ -77,7 +78,7 @@ SparcLiveProcess::SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
void
SparcLiveProcess::startup()
{
argsInit(MachineBytes, VMPageSize);
argsInit(sizeof(IntReg), VMPageSize);
//From the SPARC ABI

3
src/arch/sparc/regfile.cc
View file

@ -70,8 +70,9 @@ void RegFile::setNextNPC(Addr val)
void RegFile::clear()
{
intRegFile.clear();
floatRegFile.clear();
intRegFile.clear();
miscRegFile.clear();
}
MiscReg RegFile::readMiscReg(int miscReg)

5
src/cpu/o3/isa_specific.hh
View file

@ -40,6 +40,11 @@
#include "cpu/o3/mips/impl.hh"
#include "cpu/o3/mips/params.hh"
#include "cpu/o3/mips/dyn_inst.hh"
#elif THE_ISA == SPARC_ISA
#include "cpu/o3/sparc/cpu.hh"
#include "cpu/o3/sparc/impl.hh"
#include "cpu/o3/sparc/params.hh"
#include "cpu/o3/sparc/dyn_inst.hh"
#else
#error "ISA-specific header files O3CPU not defined ISA"
#endif

38
src/cpu/o3/sparc/cpu.cc Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2004-2005 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: Gabe Black
*/
#include "cpu/o3/sparc/impl.hh"
#include "cpu/o3/sparc/cpu_impl.hh"
#include "cpu/o3/sparc/dyn_inst.hh"
// Force instantiation of SparcO3CPU for all the implementations that are
// needed. Consider merging this and sparc_dyn_inst.cc, and maybe all
// classes that depend on a certain impl, into one file (sparc_impl.cc?).
template class SparcO3CPU<SparcSimpleImpl>;

207
src/cpu/o3/sparc/cpu.hh Normal file
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@ -0,0 +1,207 @@
/*
* 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
*/
#ifndef __CPU_O3_SPARC_CPU_HH__
#define __CPU_O3_SPARC_CPU_HH__
#include "arch/sparc/regfile.hh"
#include "arch/sparc/types.hh"
#include "cpu/thread_context.hh"
#include "cpu/o3/cpu.hh"
#include "sim/byteswap.hh"
namespace TheISA
{
class ITB;
class DTB;
}
class EndQuiesceEvent;
namespace Kernel {
class Statistics;
};
class TranslatingPort;
/**
* SparcO3CPU 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 SparcO3CPU : 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 AlphaO3CPU with the given parameters. */
SparcO3CPU(Params *params);
#if FULL_SYSTEM
/** ITB pointer. */
SparcISA::ITB *itb;
/** DTB pointer. */
SparcISA::DTB *dtb;
#endif
/** Registers statistics. */
void regStats();
#if FULL_SYSTEM
/** Translates instruction requestion. */
Fault translateInstReq(RequestPtr &req, Thread *thread)
{
return itb->translate(req, thread->getTC());
}
/** Translates data read request. */
Fault translateDataReadReq(RequestPtr &req, Thread *thread)
{
return dtb->translate(req, thread->getTC(), false);
}
/** Translates data write request. */
Fault translateDataWriteReq(RequestPtr &req, Thread *thread)
{
return dtb->translate(req, thread->getTC(), true);
}
#else
/** 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);
}
#endif
/** 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, unsigned tid);
/** Sets a miscellaneous register. */
void 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.
*/
void 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);
#if FULL_SYSTEM
/** Posts an interrupt. */
void post_interrupt(int int_num, int index);
/** HW return from error interrupt. */
Fault hwrei(unsigned tid);
bool simPalCheck(int palFunc, unsigned tid);
/** Returns the Fault for any valid interrupt. */
Fault getInterrupts();
/** Processes any an interrupt fault. */
void processInterrupts(Fault interrupt);
/** Halts the CPU. */
void halt() { panic("Halt not implemented!\n"); }
#endif
/** Traps to handle given fault. */
void trap(Fault fault, unsigned tid);
#if !FULL_SYSTEM
/** 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);
#endif
/** 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_ALPHA_CPU_HH__

433
src/cpu/o3/sparc/cpu_builder.cc Normal file
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@ -0,0 +1,433 @@
/*
* 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: Gabe Black
*/
#include <string>
#include "cpu/base.hh"
#include "cpu/o3/sparc/cpu.hh"
#include "cpu/o3/sparc/impl.hh"
#include "cpu/o3/sparc/params.hh"
#include "cpu/o3/fu_pool.hh"
#include "sim/builder.hh"
class DerivO3CPU : public SparcO3CPU<SparcSimpleImpl>
{
public:
DerivO3CPU(SparcSimpleParams *p)
: SparcO3CPU<SparcSimpleImpl>(p)
{ }
};
BEGIN_DECLARE_SIM_OBJECT_PARAMS(DerivO3CPU)
Param<int> clock;
Param<int> phase;
Param<int> numThreads;
Param<int> activity;
#if FULL_SYSTEM
SimObjectParam<System *> system;
Param<int> cpu_id;
SimObjectParam<AlphaISA::ITB *> itb;
SimObjectParam<AlphaISA::DTB *> dtb;
Param<Tick> profile;
Param<bool> do_quiesce;
Param<bool> do_checkpoint_insts;
Param<bool> do_statistics_insts;
#else
SimObjectVectorParam<Process *> workload;
#endif // FULL_SYSTEM
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<Tick> progress_interval;
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_DFLT(phase, "clock phase", 0),
INIT_PARAM(numThreads, "number of HW thread contexts"),
INIT_PARAM_DFLT(activity, "Initial activity count", 0),
#if FULL_SYSTEM
INIT_PARAM(system, "System object"),
INIT_PARAM(cpu_id, "processor ID"),
INIT_PARAM(itb, "Instruction translation buffer"),
INIT_PARAM(dtb, "Data translation buffer"),
INIT_PARAM(profile, ""),
INIT_PARAM(do_quiesce, ""),
INIT_PARAM(do_checkpoint_insts, ""),
INIT_PARAM(do_statistics_insts, ""),
#else
INIT_PARAM(workload, "Processes to run"),
#endif // FULL_SYSTEM
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(progress_interval, "Progress interval", 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;
#if FULL_SYSTEM
// Full-system only supports a single thread for the moment.
int actual_num_threads = 1;
#else
// 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!");
}
#endif
SparcSimpleParams *params = new SparcSimpleParams;
params->clock = clock;
params->name = getInstanceName();
params->numberOfThreads = actual_num_threads;
params->activity = activity;
#if FULL_SYSTEM
params->system = system;
params->cpu_id = cpu_id;
params->itb = itb;
params->dtb = dtb;
params->profile = profile;
params->do_quiesce = do_quiesce;
params->do_checkpoint_insts = do_checkpoint_insts;
params->do_statistics_insts = do_statistics_insts;
#else
params->workload = workload;
#endif // FULL_SYSTEM
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;
params->progress_interval = progress_interval;
//
// 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)

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/*
* 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: Gabe Black
*/
#include "config/use_checker.hh"
#include "arch/sparc/faults.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/miscregfile.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/sparc/cpu.hh"
#include "cpu/o3/sparc/params.hh"
#include "cpu/o3/sparc/thread_context.hh"
#include "cpu/o3/comm.hh"
#include "cpu/o3/thread_state.hh"
#if FULL_SYSTEM
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/kernel_stats.hh"
#include "cpu/quiesce_event.hh"
#include "sim/sim_exit.hh"
#include "sim/system.hh"
#endif
template <class Impl>
SparcO3CPU<Impl>::SparcO3CPU(Params *params)
#if FULL_SYSTEM
: FullO3CPU<Impl>(params), itb(params->itb), dtb(params->dtb)
#else
: FullO3CPU<Impl>(params)
#endif
{
DPRINTF(O3CPU, "Creating SparcO3CPU object.\n");
// Setup any thread state.
this->thread.resize(this->numThreads);
for (int i = 0; i < this->numThreads; ++i) {
#if FULL_SYSTEM
// SMT is not supported in FS mode yet.
assert(this->numThreads == 1);
this->thread[i] = new Thread(this, 0);
this->thread[i]->setStatus(ThreadContext::Suspended);
#else
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);
this->thread[i]->setStatus(ThreadContext::Suspended);
//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);
//usedTids[i] = false;
}
#endif // !FULL_SYSTEM
ThreadContext *tc;
// Setup the TC that will serve as the interface to the threads/CPU.
SparcTC<Impl> *sparc_tc = new SparcTC<Impl>;
tc = sparc_tc;
// If we're using a checker, then the TC should be the
// CheckerThreadContext.
#if USE_CHECKER
if (params->checker) {
tc = new CheckerThreadContext<SparcTC<Impl> >(
sparc_tc, this->checker);
}
#endif
sparc_tc->cpu = this;
sparc_tc->thread = this->thread[i];
#if FULL_SYSTEM
// Setup quiesce event.
this->thread[i]->quiesceEvent = new EndQuiesceEvent(tc);
#endif
// 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
SparcO3CPU<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>
TheISA::MiscReg
SparcO3CPU<Impl>::readMiscReg(int misc_reg, unsigned tid)
{
return this->regFile.readMiscReg(misc_reg, tid);
}
template <class Impl>
TheISA::MiscReg
SparcO3CPU<Impl>::readMiscRegWithEffect(int misc_reg, unsigned tid)
{
return this->regFile.readMiscRegWithEffect(misc_reg, tid);
}
template <class Impl>
void
SparcO3CPU<Impl>::setMiscReg(int misc_reg, const MiscReg &val, unsigned tid)
{
this->regFile.setMiscReg(misc_reg, val, tid);
}
template <class Impl>
void
SparcO3CPU<Impl>::setMiscRegWithEffect(int misc_reg, const MiscReg &val,
unsigned tid)
{
this->regFile.setMiscRegWithEffect(misc_reg, val, tid);
}
template <class Impl>
void
SparcO3CPU<Impl>::squashFromTC(unsigned tid)
{
this->thread[tid]->inSyscall = true;
this->commit.generateTCEvent(tid);
}
#if FULL_SYSTEM
template <class Impl>
void
SparcO3CPU<Impl>::post_interrupt(int int_num, int index)
{
BaseCPU::post_interrupt(int_num, index);
if (this->thread[0]->status() == ThreadContext::Suspended) {
DPRINTF(IPI,"Suspended Processor awoke\n");
this->threadContexts[0]->activate();
}
}
template <class Impl>
Fault
SparcO3CPU<Impl>::hwrei(unsigned tid)
{
panic("This doesn't make sense for SPARC\n");
return NoFault;
}
template <class Impl>
bool
SparcO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid)
{
panic("This doesn't make sense for SPARC\n");
return true;
}
template <class Impl>
Fault
SparcO3CPU<Impl>::getInterrupts()
{
// Check if there are any outstanding interrupts
return this->interrupts.getInterrupt(this->threadContexts[0]);
}
template <class Impl>
void
SparcO3CPU<Impl>::processInterrupts(Fault interrupt)
{
// Check for interrupts here. For now can copy the code that
// exists within isa_fullsys_traits.hh. Also assume that thread 0
// is the one that handles the interrupts.
// @todo: Possibly consolidate the interrupt checking code.
// @todo: Allow other threads to handle interrupts.
assert(interrupt != NoFault);
this->interrupts.updateIntrInfo(this->threadContexts[0]);
DPRINTF(O3CPU, "Interrupt %s being handled\n", interrupt->name());
this->checkInterrupts = false;
this->trap(interrupt, 0);
}
#endif // FULL_SYSTEM
template <class Impl>
void
SparcO3CPU<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
SparcO3CPU<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);
}
template <class Impl>
TheISA::IntReg
SparcO3CPU<Impl>::getSyscallArg(int i, int tid)
{
return this->readArchIntReg(SparcISA::ArgumentReg0 + i, tid);
}
template <class Impl>
void
SparcO3CPU<Impl>::setSyscallArg(int i, IntReg val, int tid)
{
this->setArchIntReg(SparcISA::ArgumentReg0 + i, val, tid);
}
template <class Impl>
void
SparcO3CPU<Impl>::setSyscallReturn(SyscallReturn return_value, int tid)
{
// check for error condition. SPARC syscall convention is to
// indicate success/failure in reg the carry bit of the ccr
// and put the return value itself in the standard return value reg ().
if (return_value.successful()) {
// no error, clear XCC.C
this->setMiscReg(SparcISA::MISCREG_CCR,
this->readMiscReg(SparcISA::MISCREG_CCR, tid) & 0xEE, tid);
this->setArchIntReg(SparcISA::ReturnValueReg,
return_value.value(), tid);
} else {
// got an error, set XCC.C
this->setMiscReg(SparcISA::MISCREG_CCR,
this->readMiscReg(SparcISA::MISCREG_CCR, tid) | 0x11, tid);
this->setArchIntReg(SparcISA::ReturnValueReg,
return_value.value(), tid);
}
}
#endif

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/*
* Copyright (c) 2004-2005 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: Gabe Black
*/
#include "cpu/o3/sparc/dyn_inst_impl.hh"
#include "cpu/o3/sparc/impl.hh"
// Force instantiation of SparcDynInst for all the implementations that
// are needed.
template class SparcDynInst<SparcSimpleImpl>;

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/*
* 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: Gabe Black
*/
#ifndef __CPU_O3_SPARC_DYN_INST_HH__
#define __CPU_O3_SPARC_DYN_INST_HH__
#include "arch/sparc/isa_traits.hh"
#include "cpu/base_dyn_inst.hh"
#include "cpu/inst_seq.hh"
#include "cpu/o3/sparc/cpu.hh"
#include "cpu/o3/sparc/impl.hh"
class Packet;
/**
* Mostly implementation & ISA specific SparcDynInst. 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 SparcDynInst serves as the primary interface to the CPU
* for instructions that are executing.
*/
template <class Impl>
class SparcDynInst : public BaseDynInst<Impl>
{
public:
/** Typedef for the CPU. */
typedef typename Impl::O3CPU O3CPU;
public:
/** BaseDynInst constructor given a binary instruction. */
SparcDynInst(TheISA::ExtMachInst inst, Addr PC,
Addr Pred_PC, InstSeqNum seq_num, O3CPU *cpu);
/** BaseDynInst constructor given a static inst pointer. */
SparcDynInst(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(PacketPtr pkt);
private:
/** Initializes variables. */
void initVars();
public:
/** Reads a miscellaneous register. */
TheISA::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.
*/
TheISA::MiscReg readMiscRegWithEffect(int misc_reg)
{
return this->cpu->readMiscRegWithEffect(misc_reg, this->threadNumber);
}
/** Sets a misc. register. */
void setMiscReg(int misc_reg, const TheISA::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.
*/
void setMiscRegWithEffect(int misc_reg, const TheISA::MiscReg &val)
{
return this->cpu->setMiscRegWithEffect(misc_reg, val,
this->threadNumber);
}
#if FULL_SYSTEM
/** Calls hardware return from error interrupt. */
Fault hwrei();
/** Traps to handle specified fault. */
void trap(Fault fault);
bool simPalCheck(int palFunc);
#else
/** Calls a syscall. */
void syscall(int64_t callnum);
#endif
private:
/** Physical register index of the destination registers of this
* instruction.
*/
PhysRegIndex _destRegIdx[TheISA::MaxInstDestRegs];
/** Physical register index of the source registers of this
* instruction.
*/
PhysRegIndex _srcRegIdx[TheISA::MaxInstSrcRegs];
/** Physical register index of the previous producers of the
* architected destinations.
*/
PhysRegIndex _prevDestRegIdx[TheISA::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]);
}
TheISA::FloatReg readFloatReg(const StaticInst *si, int idx, int width)
{
return this->cpu->readFloatReg(_srcRegIdx[idx], width);
}
TheISA::FloatReg readFloatReg(const StaticInst *si, int idx)
{
return this->cpu->readFloatReg(_srcRegIdx[idx]);
}
TheISA::FloatRegBits readFloatRegBits(const StaticInst *si,
int idx, int width)
{
return this->cpu->readFloatRegBits(_srcRegIdx[idx], width);
}
TheISA::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,
TheISA::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, TheISA::FloatReg val)
{
this->cpu->setFloatReg(_destRegIdx[idx], val);
BaseDynInst<Impl>::setFloatReg(si, idx, val);
}
void setFloatRegBits(const StaticInst *si, int idx,
TheISA::FloatRegBits val, int width)
{
this->cpu->setFloatRegBits(_destRegIdx[idx], val, width);
BaseDynInst<Impl>::setFloatRegBits(si, idx, val);
}
void setFloatRegBits(const StaticInst *si,
int idx, TheISA::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_SPARC_DYN_INST_HH__

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/*
* 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: Gabe Black
*/
#include "cpu/o3/sparc/dyn_inst.hh"
template <class Impl>
SparcDynInst<Impl>::SparcDynInst(TheISA::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>
SparcDynInst<Impl>::SparcDynInst(StaticInstPtr &_staticInst)
: BaseDynInst<Impl>(_staticInst)
{
initVars();
}
template <class Impl>
void
SparcDynInst<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
SparcDynInst<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
SparcDynInst<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
SparcDynInst<Impl>::completeAcc(PacketPtr pkt)
{
this->fault = this->staticInst->completeAcc(pkt, this, this->traceData);
return this->fault;
}
#if FULL_SYSTEM
template <class Impl>
Fault
SparcDynInst<Impl>::hwrei()
{
return NoFault;
}
template <class Impl>
void
SparcDynInst<Impl>::trap(Fault fault)
{
this->cpu->trap(fault, this->threadNumber);
}
template <class Impl>
bool
SparcDynInst<Impl>::simPalCheck(int palFunc)
{
return this->cpu->simPalCheck(palFunc, this->threadNumber);
}
#else
template <class Impl>
void
SparcDynInst<Impl>::syscall(int64_t callnum)
{
this->cpu->syscall(callnum, this->threadNumber);
}
#endif

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/*
* Copyright (c) 2004-2005 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: Gabe Black
*/
#ifndef __CPU_O3_SPARC_IMPL_HH__
#define __CPU_O3_SPARC_IMPL_HH__
#include "arch/sparc/isa_traits.hh"
#include "cpu/o3/sparc/params.hh"
#include "cpu/o3/cpu_policy.hh"
// Forward declarations.
template <class Impl>
class SparcDynInst;
template <class Impl>
class SparcO3CPU;
/** 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 SparcSimpleImpl
{
/** The type of MachInst. */
typedef TheISA::MachInst MachInst;
/** The CPU policy to be used, which defines all of the CPU stages. */
typedef SimpleCPUPolicy<SparcSimpleImpl> CPUPol;
/** The DynInst type to be used. */
typedef SparcDynInst<SparcSimpleImpl> 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 SparcO3CPU<SparcSimpleImpl> 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 SparcSimpleParams Params;
enum {
MaxWidth = 8,
MaxThreads = 4
};
};
/** The O3Impl to be used. */
typedef SparcSimpleImpl O3CPUImpl;
#endif // __CPU_O3_SPARC_IMPL_HH__

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/*
* 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: Gabe Black
*/
#ifndef __CPU_O3_SPARC_PARAMS_HH__
#define __CPU_O3_SPARC_PARAMS_HH__
#include "cpu/o3/cpu.hh"
#include "cpu/o3/params.hh"
//Forward declarations
namespace SparcISA
{
class DTB;
class ITB;
}
class MemObject;
class Process;
class System;
/**
* This file defines the parameters that will be used for the AlphaO3CPU.
* 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 SparcSimpleParams : public O3Params
{
public:
#if FULL_SYSTEM
SparcISA::ITB *itb;
SparcISA::DTB *dtb;
#endif
};
#endif // __CPU_O3_SPARC_PARAMS_HH__

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/*
* 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: Gabe Black
*/
#include "cpu/o3/thread_context.hh"
#include "cpu/o3/thread_context_impl.hh"
template class O3ThreadContext<SparcSimpleImpl>;

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/*
* 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: Gabe Black
*/
#include "arch/sparc/types.hh"
#include "cpu/o3/thread_context.hh"
template <class Impl>
class SparcTC : public O3ThreadContext<Impl>
{
public:
#if FULL_SYSTEM
/** Returns a pointer to the ITB. */
virtual SparcISA::ITB *getITBPtr() { return this->cpu->itb; }
/** Returns a pointer to the DTB. */
virtual SparcISA::DTB *getDTBPtr() { return this->cpu->dtb; }
/** Returns pointer to the quiesce event. */
virtual EndQuiesceEvent *getQuiesceEvent()
{
return this->thread->quiesceEvent;
}
#endif
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::RegContextParam param,
TheISA::RegContextVal val)
{
panic("This doesn't make sense!\n");
}
/** 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
}
};