From nobody Thu Oct 16 04:49:53 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1760474123; cv=none; d=zohomail.com; s=zohoarc; b=YKZR8l28suXJc1DSZW4DVTt4h6/9E+NqLSvMj7nduKelI76gWCU6hAd9GVEIqR0V75t07efYmui6vhnjYoWtapXTzb6RdJS1Y3T6JfyLfJM+f8/1jSYOiFFyO4iuS2V7ki+TPXEcP1u6m5XY3fSKUNwwzgArQAdAFUV+fZiA4Q8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1760474123; h=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:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=ym4Mx6Z3hYueAXi01l5oKYrt3o5QzMwmVJgUv+beIOE=; b=DuSHWikdkEdcu+zPy0aWBkJjqDgULc3LmCqjIk9rvlSeybrpdcchqfr0vhloWH4QP+O252eycZpuwiKVFONGnBQV567kFNha2wd6b2psavprIzQCczq2MXkyHOudzSxzxOdkthhVlK7a8WIZw1l1wknA4n1n5RjjZ22cbje7668= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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 1760474123989527.2842596417772; Tue, 14 Oct 2025 13:35:23 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v8lhi-0000oq-R4; Tue, 14 Oct 2025 16:33:06 -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 1v8lhf-0000o3-EC for qemu-devel@nongnu.org; Tue, 14 Oct 2025 16:33:04 -0400 Received: from rev.ng ([94.130.142.21]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v8lhZ-0000Pf-DY for qemu-devel@nongnu.org; Tue, 14 Oct 2025 16:33:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive:List-Unsubscribe:List-Unsubscribe-Post: List-Help; bh=ym4Mx6Z3hYueAXi01l5oKYrt3o5QzMwmVJgUv+beIOE=; b=JYze+A3oEmg6XO/ I5bmC3HvKmtDafHyAFFcPMVDMobgGiZ4Pjp0t+9bjh13PpcHOKAHlNEoTJnySCRUxnBBhcvjfQOkF OSE9ENanA1nW0POpZHPqarBQDcJ3o261IBcTPWx2ID3X+6gXMV8a/Vna6mXoWh+3bUA8HbJ8sBLGq lU=; To: qemu-devel@nongnu.org Cc: pierrick.bouvier@linaro.org, philmd@linaro.org, alistair.francis@wdc.com, palmer@dabbelt.com Subject: [PATCH v3 05/34] target/riscv: Bugfix make bit 62 read-only 0 for sireg* cfg CSR read Date: Tue, 14 Oct 2025 22:34:42 +0200 Message-ID: <20251014203512.26282-6-anjo@rev.ng> In-Reply-To: <20251014203512.26282-1-anjo@rev.ng> References: <20251014203512.26282-1-anjo@rev.ng> 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=94.130.142.21; envelope-from=anjo@rev.ng; helo=rev.ng 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_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Anton Johansson From: Anton Johansson via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1760474125831158500 Content-Type: text/plain; charset="utf-8" According to version 20250508 of the privileged specification, a read of cyclecfg or instretcfg through sireg* should make the MINH bit read-only 0, currently bit 30 is zeroed. Signed-off-by: Anton Johansson Reviewed-by: Alistair Francis Reviewed-by: Pierrick Bouvier --- target/riscv/csr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 657179a983..8be33d8f2c 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1542,7 +1542,7 @@ static int rmw_cd_ctr_cfg(CPURISCVState *env, int cfg= _index, target_ulong *val, wr_mask &=3D ~MCYCLECFG_BIT_MINH; env->mcyclecfg =3D (new_val & wr_mask) | (env->mcyclecfg & ~wr= _mask); } else { - *val =3D env->mcyclecfg &=3D ~MHPMEVENTH_BIT_MINH; + *val =3D env->mcyclecfg &=3D ~MHPMEVENT_BIT_MINH; } break; case 2: /* INSTRETCFG */ @@ -1551,7 +1551,7 @@ static int rmw_cd_ctr_cfg(CPURISCVState *env, int cfg= _index, target_ulong *val, env->minstretcfg =3D (new_val & wr_mask) | (env->minstretcfg & ~wr_mask); } else { - *val =3D env->minstretcfg &=3D ~MHPMEVENTH_BIT_MINH; + *val =3D env->minstretcfg &=3D ~MHPMEVENT_BIT_MINH; } break; default: --=20 2.51.0