2 * Copyright (c) 2002-2006 The Regents of The University of Michigan
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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,
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Steve Raasch
33 #include "base/misc.hh"
34 #include "cpu/func_unit.hh"
39 ////////////////////////////////////////////////////////////////////////////
45 capabilityList
.reset();
50 FuncUnit::FuncUnit(const FuncUnit
&fu
)
53 for (int i
= 0; i
< Num_OpClasses
; ++i
) {
54 opLatencies
[i
] = fu
.opLatencies
[i
];
55 issueLatencies
[i
] = fu
.issueLatencies
[i
];
58 capabilityList
= fu
.capabilityList
;
63 FuncUnit::addCapability(OpClass cap
, unsigned oplat
, unsigned issuelat
)
65 if (issuelat
== 0 || oplat
== 0)
66 panic("FuncUnit: you don't really want a zero-cycle latency do you?");
68 capabilityList
.set(cap
);
70 opLatencies
[cap
] = oplat
;
71 issueLatencies
[cap
] = issuelat
;
75 FuncUnit::provides(OpClass capability
)
77 return capabilityList
[capability
];
81 FuncUnit::capabilities()
83 return capabilityList
;
87 FuncUnit::opLatency(OpClass cap
)
89 return opLatencies
[cap
];
93 FuncUnit::issueLatency(OpClass capability
)
95 return issueLatencies
[capability
];
98 ////////////////////////////////////////////////////////////////////////////
100 // The SimObjects we use to get the FU information into the simulator
102 ////////////////////////////////////////////////////////////////////////////
105 // We use 2 objects to specify this data in the INI file:
106 // (1) OpDesc - Describes the operation class & latencies
107 // (multiple OpDesc objects can refer to the same
108 // operation classes)
109 // (2) FUDesc - Describes the operations available in the unit &
110 // the number of these units
116 // The operation-class description object
119 OpDescParams::create()
121 return new OpDesc(this);
128 FUDescParams::create()
130 return new FUDesc(this);