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Diffstat (limited to 'src/sim/power/mathexpr_powermodel.cc')
-rw-r--r-- | src/sim/power/mathexpr_powermodel.cc | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/sim/power/mathexpr_powermodel.cc b/src/sim/power/mathexpr_powermodel.cc new file mode 100644 index 000000000..7bd218659 --- /dev/null +++ b/src/sim/power/mathexpr_powermodel.cc @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2016 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * 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: David Guillen Fandos + */ + +#include "sim/power/mathexpr_powermodel.hh" + +#include "base/statistics.hh" +#include "params/MathExprPowerModel.hh" +#include "sim/mathexpr.hh" +#include "sim/power/thermal_model.hh" +#include "sim/sim_object.hh" + +MathExprPowerModel::MathExprPowerModel(const Params *p) + : PowerModelState(p), dyn_expr(p->dyn), st_expr(p->st) +{ + // Calculate the name of the object we belong to + std::vector<std::string> path; + tokenize(path, name(), '.', true); + // It's something like xyz.power_model.pm2 + assert(path.size() > 2); + for (unsigned i = 0; i < path.size() - 2; i++) + basename += path[i] + "."; +} + +void +MathExprPowerModel::startup() +{ + // Create a map with stats and pointers for quick access + // Has to be done here, since we need access to the statsList + for (auto & i: Stats::statsList()) + if (i->name.find(basename) == 0) + stats_map[i->name.substr(basename.size())] = i; +} + +double +MathExprPowerModel::getStatValue(const std::string &name) const +{ + using namespace Stats; + + // Automatic variables: + if (name == "temp") + return _temp; + + // Try to cast the stat, only these are supported right now + Info *info = stats_map.at(name); + + ScalarInfo *si = dynamic_cast<ScalarInfo*>(info); + if (si) + return si->value(); + FormulaInfo *fi = dynamic_cast<FormulaInfo*>(info); + if (fi) + return fi->total(); + + panic("Unknown stat type!\n"); +} + +void +MathExprPowerModel::regStats() +{ + PowerModelState::regStats(); +} + +MathExprPowerModel* +MathExprPowerModelParams::create() +{ + return new MathExprPowerModel(this); +} |