From patchwork Mon Jul 17 14:55:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 9845415 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5197160386 for ; Mon, 17 Jul 2017 15:05:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 447D3223A6 for ; Mon, 17 Jul 2017 15:05:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3792628405; Mon, 17 Jul 2017 15:05:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0887C223A6 for ; Mon, 17 Jul 2017 15:05:30 +0000 (UTC) Received: from localhost ([::1]:50923 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7aU-0003Du-6M for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Jul 2017 11:05:30 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38965) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX7RU-0004Wu-LV for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dX7RT-0005U0-LF for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:12 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:35368) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dX7RT-0005TS-Dh for qemu-devel@nongnu.org; Mon, 17 Jul 2017 10:56:11 -0400 Received: from ohm.aurel32.net ([2001:bc8:30d7:111::1000]) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1dX7RQ-0002K4-NB; Mon, 17 Jul 2017 16:56:08 +0200 Received: from aurel32 by ohm.aurel32.net with local (Exim 4.89) (envelope-from ) id 1dX7RQ-00041P-0A; Mon, 17 Jul 2017 16:56:08 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 17 Jul 2017 16:55:55 +0200 Message-Id: <20170717145556.14142-2-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170717145556.14142-1-aurelien@aurel32.net> References: <20170717145556.14142-1-aurelien@aurel32.net> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:bc8:30d7:100::1 Subject: [Qemu-devel] [PULL 1/2] 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 , Aurelien Jarno , Pavel Dovgalyuk Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 Message-id: 20170502120350.3368.92338.stgit@PASHA-ISP Reviewed-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Aurelien Jarno --- 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 |= 1 << CP0DB_DBp; + /* Setup DExcCode - SDBBP instruction */ + env->CP0_Debug = (env->CP0_Debug & ~(0x1fULL << CP0DB_DEC)) | 9 << CP0DB_DEC; goto set_DEPC; case EXCP_DDBS: env->CP0_Debug |= 1 << CP0DB_DDBS;