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GET /api/1.2/patches/2235098/?format=api
{ "id": 2235098, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2235098/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260508-mips-octeon-missing-insns-v2-v3-7-bcbec96357d9@gmail.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260508-mips-octeon-missing-insns-v2-v3-7-bcbec96357d9@gmail.com>", "list_archive_url": null, "date": "2026-05-08T15:12:07", "name": "[v3,07/32] target/mips: add Octeon multiplier state", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "93825538f90150de4480a266d46e3d90633a68f4", "submitter": { "id": 66301, "url": "http://patchwork.ozlabs.org/api/1.2/people/66301/?format=api", "name": "James Hilliard", "email": "james.hilliard1@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260508-mips-octeon-missing-insns-v2-v3-7-bcbec96357d9@gmail.com/mbox/", "series": [ { "id": 503407, "url": "http://patchwork.ozlabs.org/api/1.2/series/503407/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=503407", "date": "2026-05-08T15:12:00", "name": "target/mips: add missing Octeon user-mode support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/503407/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2235098/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2235098/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=l+e2XteY;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4gBt2v1wHZz1yKd\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 09 May 2026 01:15:03 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wLMtY-0002oQ-Qt; Fri, 08 May 2026 11:13:40 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <james.hilliard1@gmail.com>)\n id 1wLMt2-0002c6-Bm\n for qemu-devel@nongnu.org; Fri, 08 May 2026 11:13:08 -0400", "from mail-oo1-xc33.google.com ([2607:f8b0:4864:20::c33])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <james.hilliard1@gmail.com>)\n id 1wLMt0-0001dQ-L3\n for qemu-devel@nongnu.org; Fri, 08 May 2026 11:13:08 -0400", "by mail-oo1-xc33.google.com with SMTP id\n 006d021491bc7-66ee7b9af94so929110eaf.0\n for <qemu-devel@nongnu.org>; Fri, 08 May 2026 08:13:06 -0700 (PDT)", "from\n 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa\n (71-218-113-237.hlrn.qwest.net. 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "\n <20260508-mips-octeon-missing-insns-v2-v3-7-bcbec96357d9@gmail.com>", "References": "\n <20260508-mips-octeon-missing-insns-v2-v3-0-bcbec96357d9@gmail.com>", "In-Reply-To": "\n <20260508-mips-octeon-missing-insns-v2-v3-0-bcbec96357d9@gmail.com>", "To": "qemu-devel@nongnu.org", "Cc": "Laurent Vivier <laurent@vivier.eu>, =?utf-8?q?Philippe_Mathieu-Daud?=\n\t=?utf-8?q?=C3=A9?= <philmd@linaro.org>,\n Aurelien Jarno <aurelien@aurel32.net>,\n Jiaxun Yang <jiaxun.yang@flygoat.com>,\n Aleksandar Rikalo <arikalo@gmail.com>, Huacai Chen <chenhuacai@kernel.org>,\n James Hilliard <james.hilliard1@gmail.com>, Helge Deller <deller@gmx.de>,\n Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>,\n Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>", "X-Mailer": "b4 0.15.2", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::c33;\n envelope-from=james.hilliard1@gmail.com; helo=mail-oo1-xc33.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Add per-thread Octeon multiplier state for the MPL and P limb banks used\nby the VMULU/VMM0/V3MULU instruction family.\n\nKeep the storage in uint64_t arrays and migrate it as an Octeon-only\nsubsection, so later instruction patches can update the architectural\nmultiplier state without mixing state layout changes with decode support.\n\nSigned-off-by: James Hilliard <james.hilliard1@gmail.com>\n---\nChanges v2 -> v3:\n - Split the multiplier state out of the combined Octeon arithmetic and\n memory instruction patch. (requested by Richard Henderson)\n---\n target/mips/cpu.h | 4 ++++\n target/mips/system/machine.c | 33 +++++++++++++++++++++++++++++++++\n 2 files changed, 37 insertions(+)", "diff": "diff --git a/target/mips/cpu.h b/target/mips/cpu.h\nindex 84d12b77f9..c6d75c67ab 100644\n--- a/target/mips/cpu.h\n+++ b/target/mips/cpu.h\n@@ -497,6 +497,10 @@ struct TCState {\n target_ulong CP0_TCScheFBack;\n int32_t CP0_Debug_tcstatus;\n target_ulong CP0_UserLocal;\n+ struct {\n+ uint64_t MPL[2 * 3];\n+ uint64_t P[2 * 3];\n+ } octeon;\n \n int32_t msacsr;\n \ndiff --git a/target/mips/system/machine.c b/target/mips/system/machine.c\nindex 5880b401b0..d6d6c23ad2 100644\n--- a/target/mips/system/machine.c\n+++ b/target/mips/system/machine.c\n@@ -120,6 +120,17 @@ static const VMStateDescription vmstate_inactive_tc = {\n .fields = vmstate_tc_fields\n };\n \n+static const VMStateDescription vmstate_octeon_multiplier_tc = {\n+ .name = \"cpu/tc/octeon_multiplier\",\n+ .version_id = 1,\n+ .minimum_version_id = 1,\n+ .fields = (const VMStateField[]) {\n+ VMSTATE_UINT64_ARRAY(octeon.MPL, TCState, 2 * 3),\n+ VMSTATE_UINT64_ARRAY(octeon.P, TCState, 2 * 3),\n+ VMSTATE_END_OF_LIST()\n+ }\n+};\n+\n /* MVP state */\n \n static const VMStateDescription vmstate_mvp = {\n@@ -247,6 +258,27 @@ static const VMStateDescription mips_vmstate_timer = {\n }\n };\n \n+static bool mips_octeon_needed(void *opaque)\n+{\n+ MIPSCPU *cpu = opaque;\n+\n+ return cpu->env.insn_flags & INSN_OCTEON;\n+}\n+\n+static const VMStateDescription mips_vmstate_octeon_multiplier = {\n+ .name = \"cpu/octeon_multiplier\",\n+ .version_id = 1,\n+ .minimum_version_id = 1,\n+ .needed = mips_octeon_needed,\n+ .fields = (const VMStateField[]) {\n+ VMSTATE_STRUCT(env.active_tc, MIPSCPU, 1,\n+ vmstate_octeon_multiplier_tc, TCState),\n+ VMSTATE_STRUCT_ARRAY(env.tcs, MIPSCPU, MIPS_SHADOW_SET_MAX, 1,\n+ vmstate_octeon_multiplier_tc, TCState),\n+ VMSTATE_END_OF_LIST()\n+ }\n+};\n+\n const VMStateDescription vmstate_mips_cpu = {\n .name = \"cpu\",\n .version_id = 21,\n@@ -363,6 +395,7 @@ const VMStateDescription vmstate_mips_cpu = {\n },\n .subsections = (const VMStateDescription * const []) {\n &mips_vmstate_timer,\n+ &mips_vmstate_octeon_multiplier,\n NULL\n }\n };\n", "prefixes": [ "v3", "07/32" ] }