From patchwork Tue Jul 14 10:08:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Alrae X-Patchwork-Id: 494982 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D4AFC1402B6 for ; Tue, 14 Jul 2015 20:10:09 +1000 (AEST) Received: from localhost ([::1]:58816 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZExA7-00015m-OB for incoming@patchwork.ozlabs.org; Tue, 14 Jul 2015 06:10:07 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35654) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZEx8i-0007A5-5h for qemu-devel@nongnu.org; Tue, 14 Jul 2015 06:08:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZEx8d-0000TB-2q for qemu-devel@nongnu.org; Tue, 14 Jul 2015 06:08:40 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:30908) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZEx8c-0000T3-UA for qemu-devel@nongnu.org; Tue, 14 Jul 2015 06:08:35 -0400 Received: from KLMAIL01.kl.imgtec.org (unknown [192.168.5.35]) by Websense Email Security Gateway with ESMTPS id 9F52A41B7663B; Tue, 14 Jul 2015 11:08:31 +0100 (IST) Received: from lalrae-linux.kl.imgtec.org (192.168.14.163) by KLMAIL01.kl.imgtec.org (192.168.5.35) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 14 Jul 2015 11:08:33 +0100 From: Leon Alrae To: Date: Tue, 14 Jul 2015 11:08:13 +0100 Message-ID: <1436868495-4359-1-git-send-email-leon.alrae@imgtec.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-Originating-IP: [192.168.14.163] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.59.15.196 Cc: aurelien@aurel32.net Subject: [Qemu-devel] [PATCH] target-mips: correct DERET instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Fix Debug Mode flag clearing, and when DERET is placed between LL and SC do not make SC fail. Signed-off-by: Leon Alrae Reviewed-by: Aurelien Jarno --- target-mips/op_helper.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 2a9ddff..d461ad8 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -2154,10 +2154,9 @@ void helper_deret(CPUMIPSState *env) debug_pre_eret(env); set_pc(env, env->CP0_DEPC); - env->hflags &= MIPS_HFLAG_DM; + env->hflags &= ~MIPS_HFLAG_DM; compute_hflags(env); debug_post_eret(env); - env->lladdr = 1; } #endif /* !CONFIG_USER_ONLY */