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(unknown [9.10.239.198]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 25 Sep 2025 20:18:40 +0000 (GMT) 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 v6 0/9] Add IBM PPE42 CPU support Date: Thu, 25 Sep 2025 15:17:38 -0500 Message-ID: <20250925201758.652077-1-milesg@linux.ibm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3NCBTYWx0ZWRfX46kElZe5IbHn ZGFvPOHUm13WmaRMQC6gwAuGtPC23dxJejuesYHxdOwkW6kosO47MauOSUfJDXdH78KBTJAY/wW xeV4hJHg2cVYYoXkDObb5cGmbBqRWTWFJkjLNn3+9T+mVwRIpXheIQpmCNtOCLp4LbbuXfXnpTU reuLmB5zCW6mmnXXMqP+2ofNJK/BaDQCh9x8laOa2nztKFV57Hrh6MRiWcJhB4aNK/mXIxSWsOV eKf3Fgn38LzS5/UDPZFKhh5F7k/gqr2IfhZ0NWEWu/MLsVy7YtO4ryqznCVenvMnxVlQw+LF78q oU4UzdgxEtfyFaI0HWUIolOXjvsUrw+I6oCrWRpqkMnAk1F+wWSIe9xp0SjwoMIjL1QDVSo1n7v t7kou6OlPxY31abCxz20RFX5YJDb+g== X-Proofpoint-GUID: tpeO4sWps7qbD8eStavB3t6vvRKKtzoY X-Authority-Analysis: v=2.4 cv=T/qBjvKQ c=1 sm=1 tr=0 ts=68d5a3a4 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=jRLB2SoPAAAA:8 a=NEAV23lmAAAA:8 a=jdePcm41jcmF87SOckgA:9 a=QEXdDO2ut3YA:10 a=yloqiLrygL2q3s9aD-8D:22 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-ORIG-GUID: tiYUNawwkRviUbB3lxKT4a25lGy2PfX6 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=2025-09-25_01,2025-09-25_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250174 Received-SPF: pass client-ip=148.163.156.1; envelope-from=milesg@linux.ibm.com; helo=mx0a-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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org v6: Patch 2: - Added missing POWERPC_FLAG_PPE42 check (Chinmay) This patchset adds support for the IBM PPE42 processor, including a simple machine providing a platform for testing the PPE42 instructions. The PPE42 processor is used as an embedded processor in the IBM Power9, Power10 and Power12 processors for various tasks. It is basically a stripped down version of the IBM PowerPC 405 processor, with some added instructions for handling 64-bit loads and stores and some 64-bit logical operations. For more information on the PPE 42 processor please visit: https://wiki.raptorcs.com/w/images/a/a3/PPE_42X_Core_Users_Manual.pdf A functional test is included. This test downloads a prebuilt test image from: https://github.com/milesg-github/ppe42-tests Building the image rquires a forked version of an old version of GCC, which can be found here: https://github.com/open-power/ppe42-gcc Thanks, Glenn Glenn Miles (9): target/ppc: IBM PPE42 general regs and flags target/ppc: Add IBM PPE42 family of processors target/ppc: IBM PPE42 exception flags and regs target/ppc: Add IBM PPE42 exception model target/ppc: Support for IBM PPE42 MMU target/ppc: Add IBM PPE42 special instructions hw/ppc: Support for an IBM PPE42 CPU decrementer hw/ppc: Add a test machine for the IBM PPE42 CPU tests/functional: Add test for IBM PPE42 instructions MAINTAINERS | 7 + hw/ppc/Kconfig | 5 + hw/ppc/meson.build | 2 + hw/ppc/ppc_booke.c | 7 +- hw/ppc/ppe42_machine.c | 102 +++++ include/hw/ppc/ppc.h | 1 + target/ppc/cpu-models.c | 7 + target/ppc/cpu-models.h | 4 + target/ppc/cpu.h | 76 +++- target/ppc/cpu_init.c | 244 +++++++++-- target/ppc/excp_helper.c | 163 ++++++++ target/ppc/helper_regs.c | 45 +- target/ppc/insn32.decode | 66 ++- target/ppc/tcg-excp_helper.c | 12 + target/ppc/translate.c | 35 +- target/ppc/translate/ppe-impl.c.inc | 610 ++++++++++++++++++++++++++++ tests/functional/ppc/meson.build | 1 + tests/functional/ppc/test_ppe42.py | 79 ++++ 18 files changed, 1398 insertions(+), 68 deletions(-) create mode 100644 hw/ppc/ppe42_machine.c create mode 100644 target/ppc/translate/ppe-impl.c.inc create mode 100644 tests/functional/ppc/test_ppe42.py -- 2.43.0