d7aeb5b374f993504f90a197af219370882e861d
2 * Copyright (c) 2002-2006 The Regents of The University of Michigan
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28 * Authors: Steve Raasch
33 #include "base/misc.hh"
34 #include "cpu/func_unit.hh"
35 #include "params/OpDesc.hh"
36 #include "params/FUDesc.hh"
41 ////////////////////////////////////////////////////////////////////////////
47 capabilityList
.reset();
52 FuncUnit::FuncUnit(const FuncUnit
&fu
)
55 for (int i
= 0; i
< Num_OpClasses
; ++i
) {
56 opLatencies
[i
] = fu
.opLatencies
[i
];
57 issueLatencies
[i
] = fu
.issueLatencies
[i
];
60 capabilityList
= fu
.capabilityList
;
65 FuncUnit::addCapability(OpClass cap
, unsigned oplat
, unsigned issuelat
)
67 if (issuelat
== 0 || oplat
== 0)
68 panic("FuncUnit: you don't really want a zero-cycle latency do you?");
70 capabilityList
.set(cap
);
72 opLatencies
[cap
] = oplat
;
73 issueLatencies
[cap
] = issuelat
;
77 FuncUnit::provides(OpClass capability
)
79 return capabilityList
[capability
];
83 FuncUnit::capabilities()
85 return capabilityList
;
89 FuncUnit::opLatency(OpClass cap
)
91 return opLatencies
[cap
];
95 FuncUnit::issueLatency(OpClass capability
)
97 return issueLatencies
[capability
];
100 ////////////////////////////////////////////////////////////////////////////
102 // The SimObjects we use to get the FU information into the simulator
104 ////////////////////////////////////////////////////////////////////////////
107 // We use 2 objects to specify this data in the INI file:
108 // (1) OpDesc - Describes the operation class & latencies
109 // (multiple OpDesc objects can refer to the same
110 // operation classes)
111 // (2) FUDesc - Describes the operations available in the unit &
112 // the number of these units
118 // The operation-class description object
121 OpDescParams::create()
123 return new OpDesc(name
, opClass
, opLat
, issueLat
);
130 FUDescParams::create()
132 return new FUDesc(name
, opList
, count
);