From nobody Wed Nov 5 15:02:40 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534855092235239.69123116105527; Tue, 21 Aug 2018 05:38:12 -0700 (PDT) Received: from localhost ([::1]:53205 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs5vH-0003KP-2x for importer@patchew.org; Tue, 21 Aug 2018 08:38:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fs5tI-00023Q-FJ for qemu-devel@nongnu.org; Tue, 21 Aug 2018 08:36:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fs5tE-0007Hd-JR for qemu-devel@nongnu.org; Tue, 21 Aug 2018 08:36:07 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:34799 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fs5tE-0007D9-7x for qemu-devel@nongnu.org; Tue, 21 Aug 2018 08:36:04 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 106671A45CF; Tue, 21 Aug 2018 14:35:57 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id E1B391A45AB; Tue, 21 Aug 2018 14:35:56 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 21 Aug 2018 14:35:09 +0200 Message-Id: <1534854951-6321-5-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534854951-6321-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534854951-6321-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PULL 04/46] target/mips: Prevent switching mode related to Config3 ISA bit for nanoMIPS X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Stefan Markovic Only if Config3.ISA is 3 (microMIPS), the mode should be switched in cpu_state_reset(). Config3.ISA is 1 for nanoMIPS processors, and no mode change should happen. Signed-off-by: Aleksandar Markovic --- target/mips/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index 4f95b9a..7fb322b 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -21841,8 +21841,8 @@ void cpu_state_reset(CPUMIPSState *env) env->CP0_Status |=3D (1 << CP0St_FR); } =20 - if (env->CP0_Config3 & (1 << CP0C3_ISA)) { - /* microMIPS on reset when Config3.ISA =3D=3D {1, 3} */ + if (env->CP0_Config3 & (1 << CP0C3_ISA) & (1 << (CP0C3_ISA + 1))) { + /* microMIPS on reset when Config3.ISA is 3 */ env->hflags |=3D MIPS_HFLAG_M16; } =20 --=20 2.7.4