From nobody Fri Dec 19 19:18:14 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=fail header.i=@wdc.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; dmarc=fail(p=none dis=none) header.from=wdc.com ARC-Seal: i=1; a=rsa-sha256; t=1575916479; cv=none; d=zohomail.com; s=zohoarc; b=kRzgbU3rcD+DUiEc5FNH0eUxsUFgPEC2WWZlIN7yUs4IGktm32eWd95sJ3wPvhvqX/S+OXvykNZJL935aHxNfFoWyo3yeCjr9IErVAaz90uytOKSLZ3d61U76yCn18dckeA7bsMHd4YfQhLD3TIEdbOQqt7qAod7QVWI/Mbl87U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1575916479; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=jXdnRWYHK805JnQOouAX2KZV2s9y6jyFzHplh+sGsok=; b=E44rVumyDoo9xVuIPxiLyiBYyRM7VYo6iAq+R8gIIFH9Hafkzig91n8ALAB0GllVjQDblnBcDlSZ+5UlaOBTX81KOx3SZj+xEBvb1FLFEsZRJVfWkhESbsKVZ2MVSNkO2FRWxm6v9Os6vg2mcUKLNlX5RxapO5mRR1Ud+fB/EYg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail header.i=@wdc.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; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1575916479889653.7091296794212; Mon, 9 Dec 2019 10:34:39 -0800 (PST) Received: from localhost ([::1]:44658 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieNrh-0005Wd-18 for importer@patchew.org; Mon, 09 Dec 2019 13:34:37 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34940) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieNaz-0007dI-Bg for qemu-devel@nongnu.org; Mon, 09 Dec 2019 13:17:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ieNay-0007Yx-BQ for qemu-devel@nongnu.org; Mon, 09 Dec 2019 13:17:21 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:28155) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ieNay-0007TS-2P; Mon, 09 Dec 2019 13:17:20 -0500 Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 10 Dec 2019 02:17:19 +0800 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2019 10:11:36 -0800 Received: from risc6-mainframe.sdcorp.global.sandisk.com (HELO risc6-mainframe.int.fusionio.com) ([10.196.158.235]) by uls-op-cesaip02.wdc.com with ESMTP; 09 Dec 2019 10:17:19 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1575915440; x=1607451440; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3GUezvYl0H8iOtJ+zLcxM7nTRgaszMLdmG6eo3ecBcI=; b=BMOTsgTDdOzYILvl3umC/CHzYvGBbqNvX02aAG4ysJzqYv1J9/ljt+ka K/k9fff94vDa3QnoxttOT5evjhJQSfBobUBW76F9Q1iRGfBBCFlkAUkzm AjdTwoVP0Gw4AJ1ksBemTezkfz/pjfbHp4VMgvi6pwA0eAmt1J1scHVbK dQksfS08DZtiqG9ZcQljKNXM2Mf8X8gtROBOqA0KxWP8lzePkqlgIjtMC NGht/GdZ/TSGGB1PLnDTCox+ZUM6d7n74lPIqjqOIkjn4KSJ3xnpIhCgM N4sD6pRpjBD/j6fsMVpxHDKg3DWmtvc9fzKJDUYsRmw26HaGSPwX0aav7 A==; IronPort-SDR: U6OAfgGlMhagaUT1KWsP86v2txHAYTs83vy+5IDmxNcJ/KKIc1axkylpoYpf5M4Vqiho+RdSLP qwmgRJEcabBBfzJNY+g92I7orczm5kOQb6rQ5JXukONZmQtjDSUwYLgb7daGiOqgSqhBXIpWIF 2eo1UQGI5vRSDsr7QHynHJK9wZL91Fcq4L324x2IW3FKRbRN16XmrcnM76bR3ao/918ekthD4T cm3fzie/aoizzUpSaOkRVNGvZEAwZp/3XaVpfGasNeVvy13pvv6dwCleVW41fPpfCRhtrocV3X dFw= X-IronPort-AV: E=Sophos;i="5.69,296,1571673600"; d="scan'208";a="232461570" IronPort-SDR: f+dCn0Xe3dPlCDA3C1gYB6Io20BFFVOJAoubgxrShWHkrWJeCb8Ub+3DEgGNsV3j5ym1Pn7cBt Ke2rBUs1Yvuo5sY31Ek9ml0Fyk5/BypVCFXZ0er8FwQjbQdCtqlFco6ar74ifFvLuumabrR0Lq VNpxfEZHSdCwX45waglqnrsrTTbFvw0O3jzKQGtsB6/sPkxMKKkfhkU4SkQZUA7Qj6MLf28SPY 0U7/d/VWyVEUIh5jg114wIENxHHmUVRbBI/phfMsIg7UkPdZLHnDQ3NcNlNssAm1J0sEbDO+cC zzUzp5uUfQl9vgfLYrpqYxNQ IronPort-SDR: Nx/ONmtuUC5/tRqFPD2IDWEn4zy1z83RMi+PQEXMjLfcSqYbjcRy0oQc0dP+F/9QM7UXXIZ8lT zUh6yruwBdAfsg1xG/XFvdPEADIhVzR/bNFTYA/OG+NspV9erXuS8CMNWIYd80ip6XHv+evOz4 6AGS3WklFF81fcubxIvDlwCjBl0AIInHt2M59cQUov42e/4SRvy3ixF9fRIsYSyKpbHcswNJNI L8k8htQ8Naj7f9wXfOjsCmZrXn6XA8rpEmjqwJJNidncLMGdcOQw2prm3wr5GbXTprr5e1hRyq ZZw= WDCIronportException: Internal From: Alistair Francis To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v1 22/36] target/riscv: Generate illegal instruction on WFI when V=1 Date: Mon, 9 Dec 2019 10:11:37 -0800 Message-Id: X-Mailer: git-send-email 2.24.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 68.232.141.245 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alistair.francis@wdc.com, palmer@dabbelt.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Alistair Francis Reviewed-by: Palmer Dabbelt --- target/riscv/op_helper.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index d150551bc9..beb34e705b 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -130,9 +130,10 @@ void helper_wfi(CPURISCVState *env) { CPUState *cs =3D env_cpu(env); =20 - if (env->priv =3D=3D PRV_S && + if ((env->priv =3D=3D PRV_S && env->priv_ver >=3D PRIV_VERSION_1_10_0 && - get_field(*env->mstatus, MSTATUS_TW)) { + get_field(*env->mstatus, MSTATUS_TW)) || + riscv_cpu_virt_enabled(env)) { riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); } else { cs->halted =3D 1; --=20 2.24.0