gem5/cpu/checker/cpu_builder.cc
Kevin Lim 5be592f870 Make checker handle not executing the same instruction as the main CPU a little better.
Also add the option for the checker to update itself with the main CPU's state if it executes an instruction differently (so it will handle DMA timing errors properly).

--HG--
extra : convert_revision : 760d11ec1a249bc75e2807d320866b5d08c2b6f2
2006-08-02 12:06:59 -04:00

159 lines
5.5 KiB
C++

/*
* 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.
*/
#include <string>
#include "cpu/checker/cpu.hh"
#include "cpu/inst_seq.hh"
#include "cpu/ozone/dyn_inst.hh"
#include "cpu/ozone/ozone_impl.hh"
#include "mem/base_mem.hh"
#include "sim/builder.hh"
#include "sim/process.hh"
#include "sim/sim_object.hh"
/**
* Specific non-templated derived class used for SimObject configuration.
*/
class OzoneChecker : public Checker<RefCountingPtr<OzoneDynInst<OzoneImpl> > >
{
public:
OzoneChecker(Params *p)
: Checker<RefCountingPtr<OzoneDynInst<OzoneImpl> > >(p)
{ }
};
////////////////////////////////////////////////////////////////////////
//
// CheckerCPU Simulation Object
//
BEGIN_DECLARE_SIM_OBJECT_PARAMS(OzoneChecker)
Param<Counter> max_insts_any_thread;
Param<Counter> max_insts_all_threads;
Param<Counter> max_loads_any_thread;
Param<Counter> max_loads_all_threads;
#if FULL_SYSTEM
SimObjectParam<AlphaITB *> itb;
SimObjectParam<AlphaDTB *> dtb;
SimObjectParam<FunctionalMemory *> mem;
SimObjectParam<System *> system;
Param<int> cpu_id;
Param<Tick> profile;
#else
SimObjectParam<Process *> workload;
#endif // FULL_SYSTEM
Param<int> clock;
SimObjectParam<BaseMem *> icache;
SimObjectParam<BaseMem *> dcache;
Param<bool> defer_registration;
Param<bool> exitOnError;
Param<bool> updateOnError;
Param<bool> function_trace;
Param<Tick> function_trace_start;
END_DECLARE_SIM_OBJECT_PARAMS(OzoneChecker)
BEGIN_INIT_SIM_OBJECT_PARAMS(OzoneChecker)
INIT_PARAM(max_insts_any_thread,
"terminate when any thread reaches this inst count"),
INIT_PARAM(max_insts_all_threads,
"terminate when all threads have reached this inst count"),
INIT_PARAM(max_loads_any_thread,
"terminate when any thread reaches this load count"),
INIT_PARAM(max_loads_all_threads,
"terminate when all threads have reached this load count"),
#if FULL_SYSTEM
INIT_PARAM(itb, "Instruction TLB"),
INIT_PARAM(dtb, "Data TLB"),
INIT_PARAM(mem, "memory"),
INIT_PARAM(system, "system object"),
INIT_PARAM(cpu_id, "processor ID"),
INIT_PARAM(profile, ""),
#else
INIT_PARAM(workload, "processes to run"),
#endif // FULL_SYSTEM
INIT_PARAM(clock, "clock speed"),
INIT_PARAM(icache, "L1 instruction cache object"),
INIT_PARAM(dcache, "L1 data cache object"),
INIT_PARAM(defer_registration, "defer system registration (for sampling)"),
INIT_PARAM(exitOnError, "exit on error"),
INIT_PARAM(updateOnError, "Update the checker with the main CPU's state on error"),
INIT_PARAM(function_trace, "Enable function trace"),
INIT_PARAM(function_trace_start, "Cycle to start function trace")
END_INIT_SIM_OBJECT_PARAMS(OzoneChecker)
CREATE_SIM_OBJECT(OzoneChecker)
{
OzoneChecker::Params *params = new OzoneChecker::Params();
params->name = getInstanceName();
params->numberOfThreads = 1;
params->max_insts_any_thread = 0;
params->max_insts_all_threads = 0;
params->max_loads_any_thread = 0;
params->max_loads_all_threads = 0;
params->exitOnError = exitOnError;
params->updateOnError = updateOnError;
params->deferRegistration = defer_registration;
params->functionTrace = function_trace;
params->functionTraceStart = function_trace_start;
params->clock = clock;
// Hack to touch all parameters. Consider not deriving Checker
// from BaseCPU..it's not really a CPU in the end.
Counter temp;
temp = max_insts_any_thread;
temp = max_insts_all_threads;
temp = max_loads_any_thread;
temp = max_loads_all_threads;
BaseMem *cache = icache;
cache = dcache;
#if FULL_SYSTEM
params->itb = itb;
params->dtb = dtb;
params->mem = mem;
params->system = system;
params->cpu_id = cpu_id;
params->profile = profile;
#else
params->process = workload;
#endif
OzoneChecker *cpu = new OzoneChecker(params);
return cpu;
}
REGISTER_SIM_OBJECT("OzoneChecker", OzoneChecker)