From nobody Fri Mar 20 22:27:11 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1774012062; cv=none; d=zohomail.com; s=zohoarc; b=fldA8MIjsFdHTIWOV/+B7HHJaTVcEl+C9ocb7bpyb4BnPbwqD7r73tOQrtHlpi7QY0/3m4jtKOsMPU2dohd2jPOZ2Odwlie+7HoJfzYihEjxrNAhlj8Klm+ua5aYGxLRJmzobKDlfZq4Lucn8gYxO4AlJXfUFsYR8+qyMadV+4M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1774012062; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ACqQ25GaMsLx1AR6X4JG/cERT+D9ImfITj+Bq5qPC/8=; b=jBpIqiD5LVPbhGa9vHRHIiDWJm4NtwagpuaqC5Sn/yMZWdhn/Itd6dj0ES1QaCGMZMLF4H+lF5wlxU5VYBF7Pp9nNcNZHvUUY2mOHYRIUqI+sl6M4US7kNEkRw88w6s2GjkmC/vCl+LZ8uRuCkIFh3rib0LzKFyfIqSU8WriBCI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 177401206283160.50112360107221; Fri, 20 Mar 2026 06:07:42 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w3ZYS-0002rZ-5F; Fri, 20 Mar 2026 09:06:20 -0400 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 1w3ZYN-0002n6-GX for qemu-devel@nongnu.org; Fri, 20 Mar 2026 09:06:15 -0400 Received: from mail-ej1-x62e.google.com ([2a00:1450:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1w3ZYK-0005z6-5r for qemu-devel@nongnu.org; Fri, 20 Mar 2026 09:06:15 -0400 Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-b936331786dso190830766b.3 for ; Fri, 20 Mar 2026 06:06:11 -0700 (PDT) Received: from draig.lan ([185.124.0.237]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b983365f607sm154749466b.50.2026.03.20.06.06.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 06:06:08 -0700 (PDT) Received: from draig.lan (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id B1D9E5F911; Fri, 20 Mar 2026 13:06:07 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1774011970; x=1774616770; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ACqQ25GaMsLx1AR6X4JG/cERT+D9ImfITj+Bq5qPC/8=; b=BuzXJwAxcMFYl4UAqA8VmRzDKfBY2Xr7tRyXUkiEpwynw8Llzki2YqOqTAWsSv6423 OGUAtyWCDErCWbvY/G8m7w0Udn0UFwOBIEPFNC0jLvktQzgrjb3ziecdP5Q2pLVdC12S ZjdLZPFdkAWfKhIhVhiI12MDz1lc++zDSnED0Ezyq01HRnZO/xGpNGfHVI9iwny5SjNQ qsPfi51XKwBe10gjDKo62Aoi43K4nKcOPIHxkIAtxTRjjT8L9nRv9fGAeJtFU42OCc9o q+2qKTFXCLI+0wpOKTcFnmur4MUa+IqZwqYvuZzIUX/4YkwuZTKjLW1skPcjvH2UWqnR RfeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774011970; x=1774616770; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ACqQ25GaMsLx1AR6X4JG/cERT+D9ImfITj+Bq5qPC/8=; b=roB2bOdnrIQtuTWIhpKiH/dg8+DauhoIAo55EKW1Gbs872pB41p7ONn89ECOoToehG 9cMgojQ5AlbS6jDpntUjA9rM5CcnuweCJ0ejnlwuX2hExvEKsUR50NJLOPOrf8i4ubm4 SNi7SEcRhgk5Ni3v0VX75ZxZYwUfgaJfTrL/jVxAYIdwdd/nmR7tWXsoeA1xO9UznBrh FSiucGVsiqnVcGYZXq/0BgI6xzqeU2xBLs39z/PlIDJRAVm6abxtQgN+5PMRw6uY4rrO /JiBRceh2hzu8+csADW6SoSsZx6PSoTSlqhAWghFR2d8qEX184QRyXpq6vB+6D4rxfiG m+Kg== X-Gm-Message-State: AOJu0YyH4SGMALe1ZJbcWple252rauFrJihyifWqF/C7hyX4KqDt2VJK ELuV+iR1EsnDPOoYL7Z50sVEv17EAQOf7xIJU//TDmHMDJ1wbh3G1wqMqo6jsOru6Gw= X-Gm-Gg: ATEYQzwhwvH/gpJkfRhAKe3rEPAcANPe69NJ39z8l8iB6YcHMSinffm8rg635ohvMlX vxAKytnqRMquHGf67rQUHpBHH02681q3H1d6duQCL9ZgNcz+l2ap7fIClEO6EqdqDdHfBuQIG1c 4F5FH19qEZ9FMJ1aVj1m5puGEdK78tmDv0WPv9uOblRaCG/OvJVNFFhe5zXnX+hQI7MJnNorSZv VgdDVu9xlzEOuFc+p34z5mHkqi1fBik7oBVr6vc0OryKsIn6xNCirufODG6QrwVhgTEsecq+eAR Pq4r08hbNczudECCYq5/i1CztwWZsrgrgSVygC2E4tRgdCtIByRMR3mOlqxytn06o3sPtGwRF7J Ck8M0hyXLonYLMBt/4cDqR8zKcicZKc8kvdNKR26W6ey5zOx1A74FAOwfejqJv3b4FlNrB+shTg padu8maO7UYX62kTjAWWPUYNlZD76wJtIHRw== X-Received: by 2002:a17:907:8d85:b0:b97:4e42:23f4 with SMTP id a640c23a62f3a-b982f0ab4a0mr200254066b.11.1774011970086; Fri, 20 Mar 2026 06:06:10 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Alexander Graf , Peter Maydell , qemu-arm@nongnu.org, Pedro Barbuda , Mohamed Mediouni , =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [RFC PATCH 03/35] target/arm: migrate FP/SIMD trap syndromes to registerfields Date: Fri, 20 Mar 2026 13:05:34 +0000 Message-ID: <20260320130607.2071996-4-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260320130607.2071996-1-alex.bennee@linaro.org> References: <20260320130607.2071996-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::62e; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62e.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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 @linaro.org) X-ZM-MESSAGEID: 1774012064392158500 The syn_simd_access trap was never used so remove it. We should only see the COPROC encoding on v7 architectures. Signed-off-by: Alex Benn=C3=A9e --- target/arm/syndrome.h | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h index 3d2660614c6..5b5a5cb182e 100644 --- a/target/arm/syndrome.h +++ b/target/arm/syndrome.h @@ -337,21 +337,26 @@ static inline uint32_t syn_cp15_rrt_trap(int cv, int = cond, int opc1, int crm, return res; } =20 +/* + * ISS encoding for an exception from an access to a register of + * instruction resulting from the FPEN or TFP traps. + */ +FIELD(FP_ISS, COPROC, 0, 4) /* ARMv7 only */ +FIELD(FP_ISS, COND, 20, 4) +FIELD(FP_ISS, CV, 24, 1) + static inline uint32_t syn_fp_access_trap(int cv, int cond, bool is_16bit, int coproc) { /* AArch32 FP trap or any AArch64 FP/SIMD trap: TA =3D=3D 0 */ - return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT) - | (is_16bit ? 0 : ARM_EL_IL) - | (cv << 24) | (cond << 20) | coproc; -} + uint32_t res =3D syn_set_ec(0, EC_ADVSIMDFPACCESSTRAP); + res =3D FIELD_DP32(res, SYNDROME, IL, is_16bit ? 0 : 1); =20 -static inline uint32_t syn_simd_access_trap(int cv, int cond, bool is_16bi= t) -{ - /* AArch32 SIMD trap: TA =3D=3D 1 coproc =3D=3D 0 */ - return (EC_ADVSIMDFPACCESSTRAP << ARM_EL_EC_SHIFT) - | (is_16bit ? 0 : ARM_EL_IL) - | (cv << 24) | (cond << 20) | (1 << 5); + res =3D FIELD_DP32(res, FP_ISS, CV, cv); + res =3D FIELD_DP32(res, FP_ISS, COND, cond); + res =3D FIELD_DP32(res, FP_ISS, COPROC, coproc); + + return res; } =20 static inline uint32_t syn_sve_access_trap(void) --=20 2.47.3