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(unknown [9.10.239.198]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 12 Sep 2025 16:49:00 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pp1; bh=Yp1rnR m1mtU0vDWAQJsbETwPEQ8gne7OPoZdYcgKjfU=; b=D4U++dRbifylIyvBeIG9fA VIcRnAmiGptuLUFWVoGenSst+L1Z6N73KIpiYGYU4uCVwifT8X5+JMvjy9M1nY/G Rhj5757vOQDw2BM/MEUXwsR0my6QTEwGLYY/Xkaj6Lam71vYeV/NRf3kwDdioA18 pupI9SmfRQsg9Ksyd18lhw/yWQvGUi8Wp0UhVblESXH7S6RuAWKisnqqGPGCvGcm FYgn9ReIZY/TUh6pzpa0ycFcJ6dgUsQEUUXZ3jopJtFW3M0wlu4+tTdt4/0VHRDk KW2K+D0d7ujgrTYm08lrcMnIO7Ev3YlL2dx385WRCZUpmh3mDDapE1e6xpYzn0sQ == From: Glenn Miles To: qemu-devel@nongnu.org Cc: Glenn Miles , qemu-ppc@nongnu.org, clg@redhat.com, npiggin@gmail.com, harshpb@linux.ibm.com, thuth@redhat.com, rathc@linux.ibm.com, richard.henderson@linaro.org Subject: [PATCH v4 9/9] tests/functional: Add test for IBM PPE42 instructions Date: Fri, 12 Sep 2025 11:47:37 -0500 Message-ID: <20250912164808.371944-10-milesg@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250912164808.371944-1-milesg@linux.ibm.com> References: <20250912164808.371944-1-milesg@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA2MDAxMCBTYWx0ZWRfX3NxSkJs3xwAt +YqvjkA7UuEoK3bnZZGo/AxRCOSIU3BJ0IuL5HTGeeowPQlbJRMIzC4rskjyU5rSqxdIu9lvqby aC7rrL9MzlBZ88ofmoGx+q2DRj1S/awBmbeEVNeE3cRg+tRYaWZOllmooHd5i6YR7QElSKY/wcb 5dd3SDKN4MM16rtnO5n8B4mlSUhq94kjNmTiLxQnq/gU0ZqeVYujAIdD3iuHhU4YvcxoAT0wSjQ 2g+myKAPzxAXa+qXjO6nl3y/Iju6gpDtcXBnvRTSz6TYlqJwX0RnaxK2Py2wiu8gfvP/s/vuXnJ Uf8ogRXzSRxDzUDm98BFSlcTDNfHx/gb1NA8t1wNKMz56ryZtXgFGKM6dWmXtdiqhzamttG8Y9H 7SQXScaE X-Authority-Analysis: v=2.4 cv=SKNCVPvH c=1 sm=1 tr=0 ts=68c44f00 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=NEAV23lmAAAA:8 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=69wJf7TsAAAA:8 a=up-X0YpDAAAA:8 a=WP5zsaevAAAA:8 a=NUakdCcs51WeiAtREWwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=Fg1AiH1G6rFz08G2ETeA:22 a=86FmjZgct7XXK6GGpxvI:22 a=t8Kx07QrZZTALmIZmm-o:22 X-Proofpoint-GUID: 0pAwxREzxDXG9aGAOFmeG5R9FIC9L0pB X-Proofpoint-ORIG-GUID: d6-NYIPA_Gx_1a2GoQCsRowGeG0NyP6U X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-12_06,2025-09-12_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 priorityscore=1501 bulkscore=0 malwarescore=0 adultscore=0 suspectscore=0 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509060010 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=milesg@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1757695914015116600 Adds a functional test for the IBM PPE42 instructions which downloads a test image from a public github repo and then loads and executes the image. (see https://github.com/milesg-github/ppe42-tests for details) Test status is checked by periodically issuing 'info register' commands and checking the NIP value. If the NIP is 0xFFF80200 then the test successfully executed to completion. If the machine stops before the test completes or if a 90 second timeout is reached, then the test is marked as having failed. This test does not test any PowerPC instructions as it is expected that these instructions are well covered in other tests. Only instructions that are unique to the IBM PPE42 processor are tested. Signed-off-by: Glenn Miles Reviewed-by: Thomas Huth --- Changes from v3: - Rebase required moving test into tests/functional/ppc MAINTAINERS | 1 + tests/functional/ppc/meson.build | 1 + tests/functional/ppc/test_ppe42.py | 79 ++++++++++++++++++++++++++++++ 3 files changed, 81 insertions(+) create mode 100644 tests/functional/ppc/test_ppe42.py diff --git a/MAINTAINERS b/MAINTAINERS index 33ff9f14be..e20bab9b2a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1535,6 +1535,7 @@ M: Glenn Miles L: qemu-ppc@nongnu.org S: Odd Fixes F: hw/ppc/ppe42_machine.c +F: tests/functional/ppc/test_ppe42.py =20 PReP M: Herv=C3=A9 Poussineau diff --git a/tests/functional/ppc/meson.build b/tests/functional/ppc/meson.= build index 3d562010d8..ae061fe5a6 100644 --- a/tests/functional/ppc/meson.build +++ b/tests/functional/ppc/meson.build @@ -15,6 +15,7 @@ tests_ppc_system_thorough =3D [ 'bamboo', 'mac', 'mpc8544ds', + 'ppe42', 'replay', 'sam460ex', 'tuxrun', diff --git a/tests/functional/ppc/test_ppe42.py b/tests/functional/ppc/test= _ppe42.py new file mode 100644 index 0000000000..26bbe11b2d --- /dev/null +++ b/tests/functional/ppc/test_ppe42.py @@ -0,0 +1,79 @@ +#!/usr/bin/env python3 +# +# Functional tests for the IBM PPE42 processor +# +# Copyright (c) 2025, IBM Corporation +# +# SPDX-License-Identifier: GPL-2.0-or-later + +from qemu_test import QemuSystemTest, Asset +import asyncio + +class Ppe42Machine(QemuSystemTest): + + timeout =3D 90 + poll_period =3D 1.0 + + ASSET_PPE42_TEST_IMAGE =3D 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 =3D self.vm.cmd('human-monitor-command', + command_line=3D'info registers') + except Exception as err: + self.log.debug(f"'info registers' cmd failed due to {err=3D}," + " {type(err)=3D}") + raise + + self.log.info(output) + if "NIP fff80200" in output: + self.log.info("") + return True + else: + self.log.info("") + return False + + def _wait_pass_fail(self, timeout): + while not self._test_completed(): + if timeout >=3D self.poll_period: + timeout =3D timeout - self.poll_period + self.log.info(f"Waiting {self.poll_period} seconds for tes= t" + " to complete...") + e =3D None + try: + e =3D self.vm.event_wait('STOP', self.poll_period) + + except asyncio.TimeoutError: + self.log.info("Poll period ended.") + pass + + except Exception as err: + self.log.debug(f"event_wait() failed due to {err=3D}," + " {type(err)=3D}") + raise + + if e !=3D None: + self.log.debug(f"Execution stopped: {e}") + self.log.debug("Exiting due to test failure") + self.fail("Failure detected!") + break + 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 =3D self.ASSET_PPE42_TEST_IMAGE.fetch() + self.vm.add_args('-nographic') + self.vm.add_args('-device', f'loader,file=3D{image_path}') + self.vm.add_args('-device', 'loader,addr=3D0xfff80040,cpu-num=3D0') + self.vm.add_args('-action', 'panic=3Dpause') + self.vm.launch() + self._wait_pass_fail(self.timeout) + +if __name__ =3D=3D '__main__': + QemuSystemTest.main() --=20 2.43.0