From nobody Wed Feb 11 05:36:49 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1706464446080905.3527813227265; Sun, 28 Jan 2024 09:54:06 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rU9KK-0007VQ-9V; Sun, 28 Jan 2024 12:52:16 -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 1rU9K5-0005d9-SY; Sun, 28 Jan 2024 12:52:01 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rU9K3-0001BP-SX; Sun, 28 Jan 2024 12:52:01 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 4D50248114; Sun, 28 Jan 2024 20:51:36 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 012476D530; Sun, 28 Jan 2024 20:50:44 +0300 (MSK) Received: (nullmailer pid 812452 invoked by uid 1000); Sun, 28 Jan 2024 17:50:35 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Peter Maydell , Richard Henderson , Michael Tokarev Subject: [Stable-8.2.1 71/71] target/arm: Fix incorrect aa64_tidcp1 feature check Date: Sun, 28 Jan 2024 20:50:34 +0300 Message-Id: <20240128175035.812352-17-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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-ZM-MESSAGEID: 1706464447873100003 Content-Type: text/plain; charset="utf-8" From: Peter Maydell A typo in the implementation of isar_feature_aa64_tidcp1() means we were checking the field in the wrong ID register, so we might have provided the feature on CPUs that don't have it and not provided it on CPUs that should have it. Correct this bug. Cc: qemu-stable@nongnu.org Fixes: 9cd0c0dec97be9 "target/arm: Implement FEAT_TIDCP1" Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2120 Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20240123160333.958841-1-peter.maydell@linaro.org (cherry picked from commit ee0a2e3c9d2991a11c13ffadb15e4d0add43c257) Signed-off-by: Michael Tokarev diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h index 954d358268..165a497f7b 100644 --- a/target/arm/cpu-features.h +++ b/target/arm/cpu-features.h @@ -771,7 +771,7 @@ static inline bool isar_feature_aa64_hcx(const ARMISARe= gisters *id) =20 static inline bool isar_feature_aa64_tidcp1(const ARMISARegisters *id) { - return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR1, TIDCP1) !=3D 0; + return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, TIDCP1) !=3D 0; } =20 static inline bool isar_feature_aa64_hafs(const ARMISARegisters *id) --=20 2.39.2