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add picorv test to functional backend

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This commit is contained in:
Emily Schmidt 2024-08-08 15:38:24 +01:00
parent 50047d25b3
commit 831da51255
5 changed files with 3135 additions and 2 deletions
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11
tests/functional/rtlil_cells.py
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@ -233,6 +233,16 @@ module gold(
endmodule""".format(parameters['DATA_WIDTH'] - 1, parameters['ADDR_WIDTH'] - 1, 2**parameters['ADDR_WIDTH'] - 1))
yosys_synth(verilog_file, path)
class PicorvCell(BaseCell):
def __init__(self):
super().__init__("picorv", [], {}, {}, [()])
self.smt_max_steps = 50 # z3 is too slow for more steps
def write_rtlil_file(self, path, parameters):
from test_functional import yosys, base_path, quote
tb_file = base_path / 'tests/functional/picorv32_tb.v'
cpu_file = base_path / 'tests/functional/picorv32.v'
yosys(f"read_verilog {quote(tb_file)} {quote(cpu_file)}; prep -top gold; flatten; write_rtlil {quote(path)}")
binary_widths = [
# try to cover extending A operand, extending B operand, extending/truncating result
(16, 32, 48, True, True),
@ -353,6 +363,7 @@ rtlil_cells = [
# ("original_tag", ["A", "Y"]),
# ("future_ff", ["A", "Y"]),
# ("scopeinfo", []),
PicorvCell()
]
def generate_test_cases(per_cell, rnd):