From nobody Wed Nov 5 06:42:58 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 1532456370983120.68927768330116; Tue, 24 Jul 2018 11:19:30 -0700 (PDT) Received: from localhost ([::1]:41958 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fi1uD-0001hn-VO for importer@patchew.org; Tue, 24 Jul 2018 14:19:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48409) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fi1Xc-0006pR-Ec for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:56:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fi1XX-0005D3-JJ for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:56:08 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:53484 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 1fi1XX-0005B1-Bq for qemu-devel@nongnu.org; Tue, 24 Jul 2018 13:56:03 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 167211A44E6; Tue, 24 Jul 2018 19:56:01 +0200 (CEST) Received: from rtrkw774-lin.mipstec.com (unknown [82.117.201.26]) by mail.rt-rk.com (Postfix) with ESMTPSA id EC87A1A1DCE; Tue, 24 Jul 2018 19:56:00 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Tue, 24 Jul 2018 19:31:40 +0200 Message-Id: <1532453527-22911-29-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532453527-22911-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1532453527-22911-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PATCH v4 28/55] target/mips: Adjust behavior of Config3's ISAOnExc 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: pburton@wavecomp.com, smarkovic@wavecomp.com, riku.voipio@iki.fi, richard.henderson@linaro.org, laurent@vivier.eu, philippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com, pjovanovic@wavecomp.com, aurelien@aurel32.net 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: Yongbok Kim Config3.ISAOnExc is read only in nanoMIPS. Signed-off-by: Yongbok Kim Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- target/mips/op_helper.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index cb83b6d..5e10286 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1730,7 +1730,8 @@ void helper_mtc0_config2(CPUMIPSState *env, target_ul= ong arg1) =20 void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1) { - if (env->insn_flags & ASE_MICROMIPS) { + if ((env->insn_flags & ASE_MICROMIPS) && + !(env->insn_flags & ISA_NANOMIPS32)) { env->CP0_Config3 =3D (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC))= | (arg1 & (1 << CP0C3_ISA_ON_EXC)); } --=20 2.7.4