104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2020, 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 "DisallowCopyAssign.hh"
|
|
#include "MinMax.hh"
|
|
#include "TimingRole.hh"
|
|
#include "StaState.hh"
|
|
#include "SdcClass.hh"
|
|
|
|
namespace sta {
|
|
|
|
class CycleAccting
|
|
{
|
|
public:
|
|
CycleAccting(const ClockEdge *src,
|
|
const ClockEdge *tgt);
|
|
// Fill in required times.
|
|
void findDelays(StaState *sta);
|
|
// Find delays when source clk edge is the default arrival clock edge
|
|
// (from unclocked set_input_delay).
|
|
void findDefaultArrivalSrcDelays();
|
|
const ClockEdge *src() const { return src_; }
|
|
const ClockEdge *target() const { return tgt_; }
|
|
float requiredTime(const TimingRole *check_role);
|
|
int sourceCycle(const TimingRole *check_role);
|
|
int targetCycle(const TimingRole *check_role);
|
|
float sourceTimeOffset(const TimingRole *check_role);
|
|
float targetTimeOffset(const TimingRole *check_role);
|
|
bool maxCyclesExceeded() const { return max_cycles_exceeded_; }
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(CycleAccting);
|
|
void setHoldAccting(int src_cycle,
|
|
int tgt_cycle,
|
|
float delay,
|
|
float req);
|
|
void setAccting(TimingRole *role,
|
|
int src_cycle,
|
|
int tgt_cycle,
|
|
float delay,
|
|
float req);
|
|
void setSetupAccting(int src_cycle,
|
|
int tgt_cycle,
|
|
float delay,
|
|
float req);
|
|
void setDefaultSetupAccting(int src_cycle,
|
|
int tgt_cycle,
|
|
float delay,
|
|
float req);
|
|
void setDefaultHoldAccting(int src_cycle,
|
|
int tgt_cycle,
|
|
float delay,
|
|
float req);
|
|
|
|
const ClockEdge *src_;
|
|
const ClockEdge *tgt_;
|
|
// Setup/hold delay from source to target.
|
|
float delay_[TimingRole::index_max + 1];
|
|
// Delay from beginning of src_cycle_'th cycle to target edge.
|
|
float required_[TimingRole::index_max + 1];
|
|
// Source clock cycle offset.
|
|
int src_cycle_[TimingRole::index_max + 1];
|
|
// Target clock cycle offset.
|
|
int tgt_cycle_[TimingRole::index_max + 1];
|
|
bool max_cycles_exceeded_;
|
|
};
|
|
|
|
class CycleAcctingLess
|
|
{
|
|
public:
|
|
bool operator()(const CycleAccting *acct1,
|
|
const CycleAccting *acct2) const;
|
|
};
|
|
|
|
class CycleAcctingHash
|
|
{
|
|
public:
|
|
size_t operator()(const CycleAccting *acct) const;
|
|
};
|
|
|
|
class CycleAcctingEqual
|
|
{
|
|
public:
|
|
bool operator()(const CycleAccting *acct1,
|
|
const CycleAccting *acct2) const;
|
|
};
|
|
|
|
} // namespace
|