From nobody Sun May 19 12:13:33 2024 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 ARC-Seal: i=1; a=rsa-sha256; t=1615458795; cv=none; d=zohomail.com; s=zohoarc; b=IbnFlHHtzSrCB1qCMWj3NicMO3XWFcfL5Zg+HByuOjZ0lzlEcT0qGGbJc2kDw96rD2L8KnsJXpyXfCtUR1t0G8JQXPsoCug8NPR+1zZ0OmeP5H6SMNeinzUW6d6NTwgHLWm4ZWtSVn73AyZYpgxUoWQdZZCt25RwZ36FttS90Gc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1615458795; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=/H9qb9UfPxztXpGlGEb+Ag3hyUl+Vrxff1kiPHU52/o=; b=FwUfahskLiv4/t0y+eWR6ivAZmIA9qXqQl6tAHlC6G0cBv3vrN2TratD0NntvprgxHWGY+DOQ9FbDqUZ2E/HX11DqMMBcsvSv1XkA/LgnPkz7KLzCFiyh1qy+6vOChIpl91bfehczeK17Fz73KE0K087QLa9n3jBmjZCCF8EBvE= ARC-Authentication-Results: i=1; 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 1615458795992525.4741291308761; Thu, 11 Mar 2021 02:33:15 -0800 (PST) Received: from localhost ([::1]:35052 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lKId0-0002Fm-FJ for importer@patchew.org; Thu, 11 Mar 2021 05:33:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46060) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lKIah-000889-Pl; Thu, 11 Mar 2021 05:30:52 -0500 Received: from serv1.kernkonzept.com ([2a01:4f8:1c1c:b490::2]:34687 helo=mx.kernkonzept.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lKIag-0004Cu-92; Thu, 11 Mar 2021 05:30:51 -0500 Received: from [86.56.46.35] (helo=broc.lan) by mx.kernkonzept.com with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) id 1lKIad-0005v6-ID; Thu, 11 Mar 2021 11:30:47 +0100 From: Georg Kotheimer To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH] target/riscv: Use background registers also for MSTATUS_MPV Date: Thu, 11 Mar 2021 11:30:36 +0100 Message-Id: <20210311103036.1401073-1-georg.kotheimer@kernkonzept.com> X-Mailer: git-send-email 2.30.1 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: softfail client-ip=2a01:4f8:1c1c:b490::2; envelope-from=georg.kotheimer@kernkonzept.com; helo=mx.kernkonzept.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.02, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action 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 , Georg Kotheimer Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" The current condition for the use of background registers only considers the hypervisor load and store instructions, but not accesses from M mode via MSTATUS_MPRV+MPV. Signed-off-by: Georg Kotheimer Reviewed-by: Alistair Francis --- target/riscv/cpu_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 2f43939fb6..d5d84d0d1c 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -321,7 +321,7 @@ static int get_physical_address(CPURISCVState *env, hwa= ddr *physical, * was called. Background registers will be used if the guest has * forced a two stage translation to be on (in HS or M mode). */ - if (!riscv_cpu_virt_enabled(env) && riscv_cpu_two_stage_lookup(mmu_idx= )) { + if (!riscv_cpu_virt_enabled(env) && two_stage) { use_background =3D true; } =20 --=20 2.30.1