| #!/usr/bin/env python3 | |
| # | |
| # Functional tests for the IBM PPE42 processor | |
| # | |
| # Copyright (c) 2025, IBM Corporation | |
| # | |
| # SPDX-License-Identifier: GPL-2.0-or-later | |
| import asyncio | |
| from qemu_test import QemuSystemTest, Asset | |
| class Ppe42Machine(QemuSystemTest): | |
| timeout = 90 | |
| poll_period = 1.0 | |
| ASSET_PPE42_TEST_IMAGE = Asset( | |
| ('https://github.com/milesg-github/ppe42-tests/raw/refs/heads/main/' | |
| 'images/ppe42-test.out'), | |
| '03c1ac0fb7f6c025102a02776a93b35101dae7c14b75e4eab36a337e39042ea8') | |
| def _test_completed(self): | |
| self.log.info("Checking for test completion...") | |
| try: | |
| output = self.vm.cmd('human-monitor-command', | |
| command_line='info registers') | |
| except Exception as err: | |
| self.log.debug(f"'info registers' cmd failed due to {err=}," | |
| " {type(err)=}") | |
| raise | |
| self.log.info(output) | |
| if "NIP fff80200" not in output: | |
| self.log.info("<test not completed>") | |
| return False | |
| self.log.info("<test completed>") | |
| return True | |
| def _wait_pass_fail(self, timeout): | |
| while not self._test_completed(): | |
| if timeout >= self.poll_period: | |
| timeout = timeout - self.poll_period | |
| self.log.info(f"Waiting {self.poll_period} seconds for test" | |
| " to complete...") | |
| e = None | |
| try: | |
| e = self.vm.event_wait('STOP', self.poll_period) | |
| except asyncio.TimeoutError: | |
| self.log.info("Poll period ended.") | |
| except Exception as err: | |
| self.log.debug(f"event_wait() failed due to {err=}," | |
| " {type(err)=}") | |
| raise | |
| if e is not None: | |
| self.log.debug(f"Execution stopped: {e}") | |
| self.log.debug("Exiting due to test failure") | |
| self.fail("Failure detected!") | |
| else: | |
| self.fail("Timed out waiting for test completion.") | |
| def test_ppe42_instructions(self): | |
| self.set_machine('ppe42_machine') | |
| self.require_accelerator("tcg") | |
| image_path = self.ASSET_PPE42_TEST_IMAGE.fetch() | |
| self.vm.add_args('-nographic') | |
| self.vm.add_args('-device', f'loader,file={image_path}') | |
| self.vm.add_args('-device', 'loader,addr=0xfff80040,cpu-num=0') | |
| self.vm.add_args('-action', 'panic=pause') | |
| self.vm.launch() | |
| self.skipTestIfNoHMP() # FIXME: QMP x-query-registers | |
| self._wait_pass_fail(self.timeout) | |
| if __name__ == '__main__': | |
| QemuSystemTest.main() |