boothmul/arty_test/hardtest.py

51 lines
2.0 KiB
Python

# This file is licensed under the BSD 2 Clause License.
# (c) Peter McGoron 2022
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from litex import RemoteClient
from time import sleep
from litescope import LiteScopeAnalyzerDriver
wb = RemoteClient()
wb.open()
def run_test(a1, a2, out):
wb.regs.multiplier_arm.write(0)
wb.regs.multiplier_const_in.write(a1)
wb.regs.multiplier_inval.write(a2)
analyzer = LiteScopeAnalyzerDriver(wb.regs, "analyzer", debug=True)
analyzer.configure_group(0)
analyzer.configure_subsampler(1)
analyzer.add_rising_edge_trigger("testplatform_arm_storage")
analyzer.run()
wb.regs.multiplier_arm.write(1)
analyzer.wait_done()
analyzer.upload()
analyzer.save(out)
run_test(0x4, 0x4, "booth1.vcd")
run_test(0xFF, 0xFF, "booth2.vcd")
wb.close()