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Tue, 5 May 2026 14:46:36 +0000 (GMT) Received: from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 50A8658052; Tue, 5 May 2026 14:46:36 +0000 (GMT) Received: from mambor8.rchland.ibm.com (unknown [9.10.239.198]) by smtpav05.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 5 May 2026 14:46:36 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=pp1; bh=5FzSjXlWueYWg+gK1GZP6IRbnOLLqFrZNq9WXJZ9P fg=; b=qWydAD0A3lKCtWdNAHZ2LkpT1ugi4Oe77cS/evjM5cJR6S7buoM6kNt23 15OCjQyaoIgXZVtf/BvaNlgemm2AVvdtIre4dE/HpBXzLvKkGMkUhM2qYjJKTqh3 gpHq80YNtnjrEn5j0JCZ5xXfrGb/nI6oloEhz47k0K+4bO/CbsmKe9OMRcpIiDgY PyqgljXhCqHV3AC7884nuEdqnvVOBlwythbj6ns+ttlthVA6q/PWlqruXaHITtC/ CH/Ln1740z9ZGtHTI4ijo5Aio5OR0OYc/muJ2taX1xpdTr7y74P7H46ExkWjwiq/ jns/yIhMTboUT9LyFuzSKsWovGpDQ== From: Glenn Miles To: qemu-ppc@nongnu.org Cc: Glenn Miles , qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , "Harsh Prateek Bora" , "Nicholas Piggin" , "Richard Henderson" , "Daniel Henrique Barboza" , "Laurent Vivier" , "Chinmay Rath" Subject: [PATCH] Revert "hw/ppc: Deprecate 405 CPUs" Date: Tue, 5 May 2026 09:46:10 -0500 Message-ID: <20260505144621.1308457-1-milesg@linux.ibm.com> X-Mailer: git-send-email 2.43.7 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: k_T1NN7340aFyCXsE4wuSAHRKsY0AgVK X-Proofpoint-GUID: 6eVIodOhHvptOT-Htt42UBH08r-2F-mk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA1MDE0MCBTYWx0ZWRfX2FRtjeDaZOEl xyw9oIWBBTUysj68vylEA/nqUcZqU+qxaKV7RS/br97LlPFPxR37jXW1uCsIpdaeMiPwA3X6+8j emktk9CH9CKNXHhnBwnyyaCG0SYIAFfChS+nYLnuSMsjDtfIMRZR+KjHKOx/f/RfXGpLpuXmwoB yULD7aX8tkrjIQW2LY/hsnEnLDNb8FhV/tGtIsqC6hQ8dqOmcvrhAJYe1HAKAQzgMkmNQxg55ww skFYT93ijy54fQfkJcv3bUh8C1vAHTyUHw+CIZkrOxZy7gl3w56CbSzTnp5VnIWxA2wmaFFy5ty 9x+2je3P40omK11AGcBeCkltMDg7BqjypwJtDs12Ytxkzgu52pyLMYf/XguqkB5v2jgNqIBW0vL 4zlE450yXmgsnfgQlGApDOTlsUa9oBhzW9/xKk3f4475hLklcjo4QDFMjn9m47tD/OlOFr9T8Ey 5uSx2CewqGWkj//WuWg== X-Authority-Analysis: v=2.4 cv=UbFhjqSN c=1 sm=1 tr=0 ts=69fa02cf cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=kzH-N7ndX5ZrohmAGq0A:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-05_02,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 spamscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605050140 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=lists1p.gnu.org; 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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1777992485301154100 Content-Type: text/plain; charset="utf-8" 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: C=C3=A9dric Le Goater Acked-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 10de10dc23..3639000af2 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -209,15 +209,6 @@ in the QEMU object model anymore. ``Sun-UltraSparc-III= i+`` and but for consistency these will get removed in a future release, too. Use ``Sun-UltraSparc-IIIi-plus`` and ``Sun-UltraSparc-IV-plus`` instead. =20 -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) ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' =20 --=20 2.43.7