File size: 3,010 Bytes
f61bac1 | 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | // SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2025, The OpenROAD Authors
#pragma once
#include <string>
#include "odb/db.h"
#include "odb/geom.h"
namespace utl {
class Logger;
} // namespace utl
namespace sta {
// IP Checker: Currently validates LEF macro definitions
// Checks performed:
// LEF-CHK-001: Macro dimensions aligned to manufacturing grid
// LEF-CHK-002: Pin coordinates aligned to manufacturing grid
// LEF-CHK-003: Pin routing grid alignment
// LEF-CHK-004-005: Pin accessibility (signal and power)
// LEF-CHK-006: Polygon count
// LEF-CHK-007: Antenna information present
// LEF-CHK-008: FinFET technology detection (info only)
// LEF-CHK-009: Pin geometry presence
// LEF-CHK-010a: Pin minimum width (perpendicular to routing direction)
// LEF-CHK-010b: Pin minimum area
class IpChecker
{
public:
IpChecker(odb::dbDatabase* db, utl::Logger* logger);
// Configuration
void setMaxPolygons(int max) { max_polygons_ = max; }
void setVerbose(bool verbose) { verbose_ = verbose; }
// Check a specific macro by name
// Returns true if no warnings found
bool checkMaster(const std::string& master_name);
// Check all macros in loaded libraries
// Returns true if no warnings found
bool checkAll();
// Get warning count from last check
int getWarningCount() const { return warning_count_; }
private:
// Reset warning counter before a new check
void reset();
// LEF checks - run on a single dbMaster
void checkLefMaster(odb::dbMaster* master);
// LEF-CHK-001: Macro dimensions aligned to manufacturing grid
void checkManufacturingGridAlignment(odb::dbMaster* master);
// LEF-CHK-002: Pin coordinates aligned to manufacturing grid
void checkPinManufacturingGridAlignment(odb::dbMaster* master);
// LEF-CHK-003: Pin routing grid alignment
void checkPinRoutingGridAlignment(odb::dbMaster* master);
// LEF-CHK-004-005: Pin accessibility (signal and power)
void checkPinAccessibility(odb::dbMaster* master);
// LEF-CHK-006: Polygon count
void checkPolygonCount(odb::dbMaster* master);
// LEF-CHK-007: Antenna information present
void checkAntennaInfo(odb::dbMaster* master);
// LEF-CHK-008: FinFET property (info only)
void checkFinFetProperty(odb::dbMaster* master);
// LEF-CHK-009: Pin geometry presence
void checkPinGeometryPresence(odb::dbMaster* master);
// LEF-CHK-010a: Pin minimum width (perpendicular to routing direction)
void checkPinMinDimensions(odb::dbMaster* master);
// LEF-CHK-010b: Pin minimum area
void checkPinMinArea(odb::dbMaster* master);
// Helper: Check if a pin shape has at least one accessible edge
bool hasAccessibleEdge(odb::dbMaster* master,
const odb::Rect& pin_rect,
odb::dbTechLayer* layer);
// Member variables
odb::dbDatabase* db_;
utl::Logger* logger_;
// Configuration
int max_polygons_ = 10000;
bool verbose_ = false;
// Warning counter
int warning_count_ = 0;
};
} // namespace sta
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