2 * Copyright (c) 2006 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef __CPU_OZONE_SIMPLE_PARAMS_HH__
30 #define __CPU_OZONE_SIMPLE_PARAMS_HH__
32 #include "cpu/ozone/cpu.hh"
34 //Forward declarations
38 class FunctionalMemory;
45 * This file defines the parameters that will be used for the OzoneCPU.
46 * This must be defined externally so that the Impl can have a params class
47 * defined that it can pass to all of the individual stages.
50 class SimpleParams : public BaseCPU::Params
55 AlphaITB *itb; AlphaDTB *dtb;
57 std::vector<Process *> workload;
63 FunctionalMemory *mem;
68 MemInterface *icacheInterface;
69 MemInterface *dcacheInterface;
73 unsigned frontEndWidth;
74 unsigned backEndWidth;
75 unsigned backEndSquashLatency;
76 unsigned backEndLatency;
77 unsigned maxInstBufferSize;
78 unsigned numPhysicalRegs;
79 unsigned maxOutstandingMemOps;
83 unsigned decodeToFetchDelay;
84 unsigned renameToFetchDelay;
85 unsigned iewToFetchDelay;
86 unsigned commitToFetchDelay;
92 unsigned renameToDecodeDelay;
93 unsigned iewToDecodeDelay;
94 unsigned commitToDecodeDelay;
95 unsigned fetchToDecodeDelay;
101 unsigned iewToRenameDelay;
102 unsigned commitToRenameDelay;
103 unsigned decodeToRenameDelay;
104 unsigned renameWidth;
109 unsigned commitToIEWDelay;
110 unsigned renameToIEWDelay;
111 unsigned issueToExecuteDelay;
113 unsigned executeWidth;
114 unsigned executeIntWidth;
115 unsigned executeFloatWidth;
116 unsigned executeBranchWidth;
117 unsigned executeMemoryWidth;
123 unsigned iewToCommitDelay;
124 unsigned renameToROBDelay;
125 unsigned commitWidth;
126 unsigned squashWidth;
129 // Branch predictor (BP & BTB)
131 std::string predType;
132 unsigned localPredictorSize;
133 unsigned localCtrBits;
134 unsigned localHistoryTableSize;
135 unsigned localHistoryBits;
136 unsigned globalPredictorSize;
137 unsigned globalCtrBits;
138 unsigned globalHistoryBits;
139 unsigned choicePredictorSize;
140 unsigned choiceCtrBits;
162 unsigned numPhysIntRegs;
163 unsigned numPhysFloatRegs;
164 unsigned numIQEntries;
165 unsigned numROBEntries;
167 bool decoupledFrontEnd;
172 unsigned smtNumFetchingThreads;
174 std::string smtFetchPolicy;
176 std::string smtIQPolicy;
177 unsigned smtIQThreshold;
179 std::string smtLSQPolicy;
180 unsigned smtLSQThreshold;
182 std::string smtCommitPolicy;
184 std::string smtROBPolicy;
185 unsigned smtROBThreshold;
187 // Probably can get this from somewhere.
188 unsigned instShiftAmt;
191 #endif // __CPU_OZONE_SIMPLE_PARAMS_HH__