1/*
2 * Copyright (c) 2016 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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41
42#include "base/statistics.hh"
43#include "params/MathExprPowerModel.hh"
44#include "sim/mathexpr.hh"
45#include "sim/power/thermal_model.hh"
46#include "sim/sim_object.hh"
47
48MathExprPowerModel::MathExprPowerModel(const Params *p)
49 : PowerModelState(p), dyn_expr(p->dyn), st_expr(p->st)
50{
51 // Calculate the name of the object we belong to
52 std::vector<std::string> path;
53 tokenize(path, name(), '.', true);
54 // It's something like xyz.power_model.pm2
55 assert(path.size() > 2);
56 for (unsigned i = 0; i < path.size() - 2; i++)
57 basename += path[i] + ".";
58}
59
60void
61MathExprPowerModel::startup()
62{
63 // Create a map with stats and pointers for quick access
64 // Has to be done here, since we need access to the statsList
65 for (auto & i: Stats::statsList())
66 if (i->name.find(basename) == 0)
67 stats_map[i->name.substr(basename.size())] = i;
68}
69
70double
71MathExprPowerModel::getStatValue(const std::string &name) const
72{
73 using namespace Stats;
74
75 // Automatic variables:
76 if (name == "temp")
77 return _temp;
78
79 // Try to cast the stat, only these are supported right now
80 Info *info = stats_map.at(name);
81
82 ScalarInfo *si = dynamic_cast<ScalarInfo*>(info);
83 if (si)
84 return si->value();
85 FormulaInfo *fi = dynamic_cast<FormulaInfo*>(info);
86 if (fi)
87 return fi->total();
88
89 panic("Unknown stat type!\n");
90}
91
92void
93MathExprPowerModel::regStats()
94{
95 PowerModelState::regStats();
96}
97
98MathExprPowerModel*
99MathExprPowerModelParams::create()
100{
101 return new MathExprPowerModel(this);
102}