orfs_config_gen.py

import sys
from pathlib import Path
from datetime import datetime
from pdk_validator import validate_netlist, PDKValidator

PDK_DEFAULTS = {
    "sky130": {
        "PLATFORM": "sky130hd",
        "SCL": "sky130_fd_sc_hd",
        "TARGET_DENSITY": "0.65",
        "CLOCK_PERIOD": "10.0",
        "CORE_UTILIZATION": "40",
        "CORE_ASPECT_RATIO": "1",
        "CORE_MARGIN": "2",
    }
}

def generate_config(cir_out_path, design_name=None, pdk="sky130",
                    clock_port="clk", clock_period_ns=None, output_dir="."):
    print(f"[orfs_config_gen] Validating {cir_out_path} against {pdk} PDK...")
    report = validate_netlist(cir_out_path, pdk)
    PDKValidator.print_report(report)
    if report["summary"] == "FAIL":
        raise RuntimeError(f"Validation FAILED - {len(report['unmappable'])} unmappable primitive(s).")
    if design_name is None:
        design_name = Path(cir_out_path).stem.replace(".cir", "").replace(".", "_")
    defaults = PDK_DEFAULTS.get(pdk, PDK_DEFAULTS["sky130"])
    clk_period = str(clock_period_ns) if clock_period_ns else defaults["CLOCK_PERIOD"]
    lines = [
        f"# ORFS config.mk - auto-generated by eSim-ORFS integration",
        f"# Source : {Path(cir_out_path).resolve()}",
        f"# Generated : {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}",
        f"# PDK : {pdk}", f"",
        f"export DESIGN_NAME       = {design_name}",
        f"export PLATFORM          = {defaults['PLATFORM']}", f"",
        f"export VERILOG_FILES     = $(DESIGN_HOME)/src/$(DESIGN_NAME)/$(DESIGN_NAME).v",
        f"export SDC_FILE          = $(DESIGN_HOME)/src/$(DESIGN_NAME)/constraint.sdc",
        f"export ABC_AREA          = 0", f"",
        f"export CORE_UTILIZATION  = {defaults['CORE_UTILIZATION']}",
        f"export CORE_ASPECT_RATIO = {defaults['CORE_ASPECT_RATIO']}",
        f"export CORE_MARGIN       = {defaults['CORE_MARGIN']}", f"",
        f"export CLOCK_PORT        = {clock_port}",
        f"export CLOCK_PERIOD      = {clk_period}", f"",
        f"export TARGET_DENSITY    = {defaults['TARGET_DENSITY']}", f"",
        f"# Mapped cells ({len(report['valid_cells'])}):",
    ]
    for cell in report["valid_cells"]:
        lines.append(f"#   {cell['name']} -> {cell['cell']}")
    if report["analog_primitives"]:
        lines.append(f"# Skipped analog ({len(report['analog_primitives'])}):")
        for a in report["analog_primitives"]:
            lines.append(f"#   {a['name']} ({a['type'].upper()})")
    out_path = Path(output_dir) / "config.mk"
    out_path.parent.mkdir(parents=True, exist_ok=True)
    out_path.write_text("\n".join(lines) + "\n")
    print(f"[orfs_config_gen] config.mk written to: {out_path.resolve()}")
    return str(out_path)

if __name__ == "__main__":
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument("netlist")
    parser.add_argument("--design")
    parser.add_argument("--pdk", default="sky130")
    parser.add_argument("--clock-port", default="clk")
    parser.add_argument("--clock-period", type=float)
    parser.add_argument("--output-dir", default=".")
    args = parser.parse_args()
    try:
        generate_config(args.netlist, args.design, args.pdk, args.clock_port, args.clock_period, args.output_dir)
    except RuntimeError as e:
        print(f"\n[ERROR] {e}")
        sys.exit(1)