From patchwork Tue Feb 4 08:06:49 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13958763 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E7B9CC0218F for ; Tue, 4 Feb 2025 08:07:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tfDxl-0006Ib-Ki; Tue, 04 Feb 2025 03:07:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tfDxg-0006H3-1c for qemu-devel@nongnu.org; Tue, 04 Feb 2025 03:07:12 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tfDxb-0004vy-Cp for qemu-devel@nongnu.org; Tue, 04 Feb 2025 03:07:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1738656426; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PdxzpSa87W9UtXnyQHMoQoe0VEItXQ7TrfsxIVmLbmo=; b=XyiYODm/LcYbiAHkAHaN4Kx87Rext2cmu1863Pq3IPvjj9erosaytkmvhZynPyGek0S4P/ 3aB4AWHDs5S4ZEuMsuv1totriDkPdI+0hmPaC/NgYa1CSOJIxk187eqwSMpQYh9TUpFvKA w4rNiyVaipHvA1eYIUpqJ0ndVWaC4Ho= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-638-Slx99tVxNAifY_tJ7WLRjA-1; Tue, 04 Feb 2025 03:07:02 -0500 X-MC-Unique: Slx99tVxNAifY_tJ7WLRjA-1 X-Mimecast-MFC-AGG-ID: Slx99tVxNAifY_tJ7WLRjA Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D780D19560A1; Tue, 4 Feb 2025 08:07:00 +0000 (UTC) Received: from corto.redhat.com (unknown [10.39.192.15]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 3146B195608E; Tue, 4 Feb 2025 08:06:58 +0000 (UTC) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Nicholas Piggin , Daniel Henrique Barboza , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= Subject: [PATCH v2 3/3] hw/ppc: Deprecate 405 CPUs Date: Tue, 4 Feb 2025 09:06:49 +0100 Message-ID: <20250204080649.836155-4-clg@redhat.com> In-Reply-To: <20250204080649.836155-1-clg@redhat.com> References: <20250204080649.836155-1-clg@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=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=unavailable 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 The ref405ep machine is scheduled for removal in QEMU 10.0. Keep the 405 CPU implementation for a while because it is theoretically possible to model the power management (OCC) co-processor found on the IBM POWER [8-11] processors. Signed-off-by: Cédric Le Goater --- docs/about/deprecated.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index db9edfc24a0c..89b01779df04 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -225,6 +225,15 @@ 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. + System emulator machines ------------------------