forked from The-OpenROAD-Project/OpenSTA
-
Notifications
You must be signed in to change notification settings - Fork 0
/
RCDelayCalc.hh
46 lines (39 loc) · 1.39 KB
/
RCDelayCalc.hh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// OpenSTA, Static Timing Analyzer
// Copyright (c) 2022, Parallax Software, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#pragma once
#include "LumpedCapDelayCalc.hh"
namespace sta {
// Base class for delay calculators with RC wire delay.
class RCDelayCalc : public LumpedCapDelayCalc
{
public:
RCDelayCalc(StaState *sta);
virtual ArcDelayCalc *copy();
virtual void inputPortDelay(const Pin *port_pin,
float in_slew,
const RiseFall *rf,
Parasitic *parasitic,
const DcalcAnalysisPt *dcalc_ap);
protected:
// Helper function for input ports driving dspf parasitic.
void dspfWireDelaySlew(const Pin *load_pin,
float elmore,
ArcDelay &wire_delay,
Slew &load_slew);
const LibertyCell *drvr_cell_;
Parasitic *drvr_parasitic_;
};
} // namespace