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Fri, 3 Jul 2026 04:44:15 +0000 (GMT) From: Harsh Prateek Bora To: qemu-devel@nongnu.org Cc: Glenn Miles , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 2/7] Revert "hw/ppc: Deprecate 405 CPUs" Date: Fri, 3 Jul 2026 10:13:57 +0530 Message-ID: <20260703044402.79723-3-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260703044402.79723-1-harshpb@linux.ibm.com> References: <20260703044402.79723-1-harshpb@linux.ibm.com> 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: AW1haW4tMjYwNzAzMDAzNyBTYWx0ZWRfX9RW6XwcIi/Ya KDZdLJE0IZA4YQYRqQK81l89+NElHG2OkfV1FIXEBf3YKIBHm3UWoiGjPR/CVIpVvPijp8E9mlJ mi/fKlgYK8t1Mxi2AIxhmBPr+L8kmU0rEhWGBaisuFRiwFQ3oYaywXgVw5GooaZXMK3vfoTf09m DIZH5Fjd7jLDCf/780FnUaSNI9w2Zqs5UMGwPNWdHtYeukVDzMskMp1znA31+Ns4EwC440FqRbq gOp7IUFtD8QRuxvPuBrsDiwWQJJmNQrIFG0yKdv+ElsY9k+IIUEaEFcFbFXJEL5llqIiyYIaeQB 9JPTjAmm/rEUzmRnuS9QLBFVZ9cvb54w73V+L8Bsy2SNpsvLVW6nQCwsXqIZWW+UWAefw2VQ6nT j7RPuBL5jxVx5nCKN6Vg6tPmjEbD2gI57qgTw/wmunGvqY8LbfY5H6iYINhPzwqavLD6imwKQgF qRhOseZ8xY2SNJ2xhUw== X-Proofpoint-GUID: 5HG7AicGR_sT5pOXjhxEK-cm5XGQg0RS X-Authority-Analysis: v=2.4 cv=Z8bc2nRA c=1 sm=1 tr=0 ts=6a473e25 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=f7IdgyKtn90A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=kzH-N7ndX5ZrohmAGq0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDAzNyBTYWx0ZWRfX75bk06REliLH rSaH5YnIXAOY7XlnWCZbjwbz5hbegTeBVLaDXm4zhIYh7+wRfJU0M3lHf1RYRsdrsoLXdFVbZH/ Go1smCSs+rrOmudDkxHinwLmqzaFTWw= X-Proofpoint-ORIG-GUID: 5HG7AicGR_sT5pOXjhxEK-cm5XGQg0RS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_01,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030037 Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@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_H3=0.001, RCVD_IN_MSPIKE_WL=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: qemu development 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 From: Glenn Miles This reverts commit 52f0b59ec6b780f2a3e162d5862b90b406fa4697. The PowerPC 405 CPU is used by the PPE42 CPU which was added to QEMU v10.2. The PPE42 CPU is basically a stripped down version of the PowerPC 405 CPU and is used by the Power9, Power10, and Power11 CPUs as an embedded processor to handle various tasks. Also, IBM has plans to use the PowerPC 405 CPU model within a year to model the On Chip Controller (OCC), which has an embedded PPC405 CPU. Therefore, this patch removes the PowerPC 405 CPU from the deprecated list. Signed-off-by: Glenn Miles Acked-by: Cédric Le Goater Acked-by: Harsh Prateek Bora Link: https://lore.kernel.org/qemu-devel/20260505144621.1308457-1-milesg@linux.ibm.com Signed-off-by: Harsh Prateek Bora --- docs/about/deprecated.rst | 9 --------- 1 file changed, 9 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index cf3e1a007c..169c5dfe4f 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -206,15 +206,6 @@ in the QEMU object model anymore. ``Sun-UltraSparc-IIIi+`` and but for consistency these will get removed in a future release, too. Use ``Sun-UltraSparc-IIIi-plus`` and ``Sun-UltraSparc-IV-plus`` instead. -PPC 405 CPUs (since 10.0) -''''''''''''''''''''''''' - -The PPC 405 CPU has no known users and the ``ref405ep`` machine was -removed in QEMU 10.0. Since the IBM POWER [8-11] processors uses an -embedded 405 for power management (OCC) and other internal tasks, it -is theoretically possible to use QEMU to model them. Let's keep the -CPU implementation for a while before removing all support. - Power8E and Power8NVL CPUs and corresponding Pnv chips (since 10.1) ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' -- 2.52.0