From nobody Thu May 2 11:49:15 2024 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.zoho.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 149372669089271.97878369770933; Tue, 2 May 2017 05:04:50 -0700 (PDT) Received: from localhost ([::1]:58525 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5WXv-00007o-G8 for importer@patchew.org; Tue, 02 May 2017 08:04:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52385) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5WX5-0008IE-8g for qemu-devel@nongnu.org; Tue, 02 May 2017 08:04:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5WX0-0004Go-D6 for qemu-devel@nongnu.org; Tue, 02 May 2017 08:03:55 -0400 Received: from mail.ispras.ru ([83.149.199.45]:59192) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5WX0-0004Fk-5e for qemu-devel@nongnu.org; Tue, 02 May 2017 08:03:50 -0400 Received: from [10.10.150.214] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id A396554006A; Tue, 2 May 2017 15:03:48 +0300 (MSK) To: qemu-devel@nongnu.org From: Pavel Dovgalyuk Date: Tue, 02 May 2017 15:03:50 +0300 Message-ID: <20170502120350.3368.92338.stgit@PASHA-ISP> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH] mips: set CP0 Debug DExcCode for SDBBP instruction 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: yongbok.kim@imgtec.com, dovgaluk@ispras.ru, aurelien@aurel32.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 From: Pavel Dovgalyuk This patch fixes setting DExcCode field of CP0 Debug register when SDBBP instruction is executed. According to EJTAG specification, this field must be set to the value 9 (Bp). Signed-off-by: Pavel Dovgalyuk Reviewed-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/helper.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/mips/helper.c b/target/mips/helper.c index e359ca3b44..166f0d1243 100644 --- a/target/mips/helper.c +++ b/target/mips/helper.c @@ -627,6 +627,8 @@ void mips_cpu_do_interrupt(CPUState *cs) goto set_DEPC; case EXCP_DBp: env->CP0_Debug |=3D 1 << CP0DB_DBp; + /* Setup DExcCode - SDBBP instruction */ + env->CP0_Debug =3D (env->CP0_Debug & ~(0x1fULL << CP0DB_DEC)) | 9 = << CP0DB_DEC; goto set_DEPC; case EXCP_DDBS: env->CP0_Debug |=3D 1 << CP0DB_DDBS;