From patchwork Mon Sep 25 13:17:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TWFyay1QSyBUc2FpICjolKHmspvliZsp?= X-Patchwork-Id: 13397796 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 CD4FECE7A81 for ; Mon, 25 Sep 2023 13:18:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=d7WPmrzj8AsVqlrfOq3rMWE15spuU7J/tlswKObDKpg=; b=j/gkfWun0gNG0y FMl4uiYy7tjAOeqC2M/7y0U8aLgLfgwFYZTFDrGUeuZkW62fKeZ2YomRlqTx6UoxYFrdzMm9Rz9A+ Ao0V4aSC1MwjbbQMMGRXcSIYfgvor6L6BzI/ZkV5YWsF8S08Hq2rr2bLaAlzayzp6XUdwjnBqSB+G 8MFiV3EhvVg/wEhFtIm6G/erERjYPrEKUovI68xSsw8u47tOAv07/RuhbK+Lag2VfsYVON5ySNkWx Zcp4/pVk/hFCOJjbWIVrNRkhEyTLkoJy7HLXHfs/bKaTbmSbxT4nS1+zGzgkei8liKfijeqcK0oTs N8VOMEvYOfZoq1lNC/Hw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qklTh-00EJaW-1c; Mon, 25 Sep 2023 13:18:21 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qklTY-00EJT1-0K; Mon, 25 Sep 2023 13:18:13 +0000 X-UUID: f5fd977e5ba511ee9b7791016c24628a-20230925 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=6cnfI5ytzDCvg+dOj6lTpy2XkiFT0LZU5C3nD7lJxK8=; b=kKPDUhqHDfjVpJYyjDBiYY/bZMVvJqSEKdOESTe5uUshKX11md0XKsjOriiCmfJYHs5C1r2u2rMvCdhA+ReP52TFOhF/uJ57xny+/Ij2wnCxwr1XM7K+Yyp7/+PqCy5is0+zBnJSiPvUrSp+fCJ6/FyjTuJgo+vaQqLfp4Ydr9o=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:56517085-41aa-4108-a5f0-ad6245e7e73a,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9,CLOUDID:a8e33fbf-14cc-44ca-b657-2d2783296e72,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULS X-UUID: f5fd977e5ba511ee9b7791016c24628a-20230925 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1643793019; Mon, 25 Sep 2023 06:18:04 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 25 Sep 2023 21:17:27 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 25 Sep 2023 21:17:27 +0800 From: Mark-PK Tsai To: Russell King , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , Mark-PK Tsai , , , Subject: [PATCH v2] ARM: vfp: Add missing VFP instructions to neon_support_hook Date: Mon, 25 Sep 2023 21:17:19 +0800 Message-ID: <20230925131720.7672-1-mark-pk.tsai@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230925_061812_143731_45D4A27D X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the missing "Unconditional Advanced SIMD and floating-point instructions" in [1] to the VFP undef hook. This commit addresses the issue reported in [2], where executing the vudot instruction on a platform with FEAT_DotProd support resulted in an undefined instruction error. Link: https://developer.arm.com/documentation/ddi0597/2023-06/?lang=en [1] Link: https://lore.kernel.org/lkml/20230920083907.30479-1-mark-pk.tsai@mediatek.com/ [2] Signed-off-by: Mark-PK Tsai Tested-by: Xuewen Yan --- arch/arm/vfp/vfpmodule.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 7e8773a2d99d..b68efe643a12 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -800,6 +800,24 @@ static struct undef_hook neon_support_hook[] = {{ .cpsr_mask = PSR_T_BIT, .cpsr_val = PSR_T_BIT, .fn = vfp_support_entry, +}, { + .instr_mask = 0xff000800, + .instr_val = 0xfc000800, + .cpsr_mask = 0, + .cpsr_val = 0, + .fn = vfp_support_entry, +}, { + .instr_mask = 0xff000800, + .instr_val = 0xfd000800, + .cpsr_mask = 0, + .cpsr_val = 0, + .fn = vfp_support_entry, +}, { + .instr_mask = 0xff000800, + .instr_val = 0xfe000800, + .cpsr_mask = 0, + .cpsr_val = 0, + .fn = vfp_support_entry, }}; static struct undef_hook vfp_support_hook = {