1/*
2 * Copyright (c) 2002-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
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.
15 *
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.
27 *
28 * Authors: Steve Raasch
29 */
30
31#ifndef __CPU_FUNC_UNIT_HH__
32#define __CPU_FUNC_UNIT_HH__
33
34#include <bitset>
35#include <string>
36#include <vector>
37
38#include "cpu/op_class.hh"
39#include "params/FUDesc.hh"
40#include "params/OpDesc.hh"
41#include "sim/sim_object.hh"
42
43////////////////////////////////////////////////////////////////////////////
44//
45// Structures used ONLY during the initialization phase...
46//
47//
48//
49
50class OpDesc : public SimObject
51{
52 public:
53 OpClass opClass;
54 Cycles opLat;
| 1/*
2 * Copyright (c) 2002-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
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.
15 *
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.
27 *
28 * Authors: Steve Raasch
29 */
30
31#ifndef __CPU_FUNC_UNIT_HH__
32#define __CPU_FUNC_UNIT_HH__
33
34#include <bitset>
35#include <string>
36#include <vector>
37
38#include "cpu/op_class.hh"
39#include "params/FUDesc.hh"
40#include "params/OpDesc.hh"
41#include "sim/sim_object.hh"
42
43////////////////////////////////////////////////////////////////////////////
44//
45// Structures used ONLY during the initialization phase...
46//
47//
48//
49
50class OpDesc : public SimObject
51{
52 public:
53 OpClass opClass;
54 Cycles opLat;
|
55 Cycles issueLat;
| 55 bool pipelined;
|
56
57 OpDesc(const OpDescParams *p)
58 : SimObject(p), opClass(p->opClass), opLat(p->opLat),
| 56
57 OpDesc(const OpDescParams *p)
58 : SimObject(p), opClass(p->opClass), opLat(p->opLat),
|
59 issueLat(p->issueLat) {};
| 59 pipelined(p->pipelined) {};
|
60};
61
62class FUDesc : public SimObject
63{
64 public:
65 std::vector<OpDesc *> opDescList;
66 unsigned number;
67
68 FUDesc(const FUDescParams *p)
69 : SimObject(p), opDescList(p->opList), number(p->count) {};
70};
71
72typedef std::vector<OpDesc *>::const_iterator OPDDiterator;
73typedef std::vector<FUDesc *>::const_iterator FUDDiterator;
74
75
76
77
78////////////////////////////////////////////////////////////////////////////
79//
80// The actual FU object
81//
82//
83//
84class FuncUnit
85{
86 private:
87 unsigned opLatencies[Num_OpClasses];
| 60};
61
62class FUDesc : public SimObject
63{
64 public:
65 std::vector<OpDesc *> opDescList;
66 unsigned number;
67
68 FUDesc(const FUDescParams *p)
69 : SimObject(p), opDescList(p->opList), number(p->count) {};
70};
71
72typedef std::vector<OpDesc *>::const_iterator OPDDiterator;
73typedef std::vector<FUDesc *>::const_iterator FUDDiterator;
74
75
76
77
78////////////////////////////////////////////////////////////////////////////
79//
80// The actual FU object
81//
82//
83//
84class FuncUnit
85{
86 private:
87 unsigned opLatencies[Num_OpClasses];
|
88 unsigned issueLatencies[Num_OpClasses];
| 88 bool pipelined[Num_OpClasses];
|
89 std::bitset<Num_OpClasses> capabilityList;
90
91 public:
92 FuncUnit();
93 FuncUnit(const FuncUnit &fu);
94
95 std::string name;
96
| 89 std::bitset<Num_OpClasses> capabilityList;
90
91 public:
92 FuncUnit();
93 FuncUnit(const FuncUnit &fu);
94
95 std::string name;
96
|
97 void addCapability(OpClass cap, unsigned oplat, unsigned issuelat);
| 97 void addCapability(OpClass cap, unsigned oplat, bool pipelined);
|
98
99 bool provides(OpClass capability);
100 std::bitset<Num_OpClasses> capabilities();
101
102 unsigned &opLatency(OpClass capability);
| 98
99 bool provides(OpClass capability);
100 std::bitset<Num_OpClasses> capabilities();
101
102 unsigned &opLatency(OpClass capability);
|
103 unsigned issueLatency(OpClass capability);
| 103 bool isPipelined(OpClass capability);
|
104};
105
106#endif // __FU_POOL_HH__
| 104};
105
106#endif // __FU_POOL_HH__
|