yosys/tests/pyosys/test_pass.py

35 lines
881 B
Python

from pyosys import libyosys as ys
import json
from pathlib import Path
__file_dir__ = Path(__file__).absolute().parent
class CellStatsPass(ys.Pass):
def __init__(self):
super().__init__(
"cell_stats",
"dumps cell statistics in JSON format"
)
def execute(self, args, design):
ys.log_header(design, "Dumping cell stats\n")
ys.log_push()
cell_stats = {}
for module in design.all_selected_whole_modules():
for cell in module.selected_cells():
if cell.type.str() in cell_stats:
cell_stats[cell.type.str()] += 1
else:
cell_stats[cell.type.str()] = 1
ys.log(json.dumps(cell_stats))
ys.log_pop()
p = CellStatsPass() # registration
design = ys.Design()
ys.run_pass(f"read_verilog {__file_dir__.parent / 'simple' / 'fiedler-cooley.v'}", design)
ys.run_pass("prep", design)
ys.run_pass("opt -full", design)
ys.run_pass("cell_stats", design)