rob_impl.hh (9944:4ff1c5c6dcbc) rob_impl.hh (9954:72a72649a156)
1/*
2 * Copyright (c) 2012 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

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44#ifndef __CPU_O3_ROB_IMPL_HH__
45#define __CPU_O3_ROB_IMPL_HH__
46
47#include <list>
48
49#include "cpu/o3/rob.hh"
50#include "debug/Fetch.hh"
51#include "debug/ROB.hh"
1/*
2 * Copyright (c) 2012 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

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44#ifndef __CPU_O3_ROB_IMPL_HH__
45#define __CPU_O3_ROB_IMPL_HH__
46
47#include <list>
48
49#include "cpu/o3/rob.hh"
50#include "debug/Fetch.hh"
51#include "debug/ROB.hh"
52#include "params/DerivO3CPU.hh"
52
53using namespace std;
54
55template <class Impl>
53
54using namespace std;
55
56template <class Impl>
56ROB<Impl>::ROB(O3CPU *_cpu, unsigned _numEntries, unsigned _squashWidth,
57 std::string _smtROBPolicy, unsigned _smtROBThreshold,
58 ThreadID _numThreads)
57ROB<Impl>::ROB(O3CPU *_cpu, DerivO3CPUParams *params)
59 : cpu(_cpu),
58 : cpu(_cpu),
60 numEntries(_numEntries),
61 squashWidth(_squashWidth),
59 numEntries(params->numROBEntries),
60 squashWidth(params->squashWidth),
62 numInstsInROB(0),
61 numInstsInROB(0),
63 numThreads(_numThreads)
62 numThreads(params->numThreads)
64{
63{
65 std::string policy = _smtROBPolicy;
64 std::string policy = params->smtROBPolicy;
66
67 //Convert string to lowercase
68 std::transform(policy.begin(), policy.end(), policy.begin(),
69 (int(*)(int)) tolower);
70
71 //Figure out rob policy
72 if (policy == "dynamic") {
73 robPolicy = Dynamic;

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88 for (ThreadID tid = 0; tid < numThreads; tid++) {
89 maxEntries[tid] = part_amt;
90 }
91
92 } else if (policy == "threshold") {
93 robPolicy = Threshold;
94 DPRINTF(Fetch, "ROB sharing policy set to Threshold\n");
95
65
66 //Convert string to lowercase
67 std::transform(policy.begin(), policy.end(), policy.begin(),
68 (int(*)(int)) tolower);
69
70 //Figure out rob policy
71 if (policy == "dynamic") {
72 robPolicy = Dynamic;

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87 for (ThreadID tid = 0; tid < numThreads; tid++) {
88 maxEntries[tid] = part_amt;
89 }
90
91 } else if (policy == "threshold") {
92 robPolicy = Threshold;
93 DPRINTF(Fetch, "ROB sharing policy set to Threshold\n");
94
96 int threshold = _smtROBThreshold;;
95 int threshold = params->smtROBThreshold;;
97
98 //Divide up by threshold amount
99 for (ThreadID tid = 0; tid < numThreads; tid++) {
100 maxEntries[tid] = threshold;
101 }
102 } else {
103 assert(0 && "Invalid ROB Sharing Policy.Options Are:{Dynamic,"
104 "Partitioned, Threshold}");

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97 //Divide up by threshold amount
98 for (ThreadID tid = 0; tid < numThreads; tid++) {
99 maxEntries[tid] = threshold;
100 }
101 } else {
102 assert(0 && "Invalid ROB Sharing Policy.Options Are:{Dynamic,"
103 "Partitioned, Threshold}");

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