From nobody Tue Feb 10 06:57:56 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) 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 15129998431091008.6073970237042; Mon, 11 Dec 2017 05:44:03 -0800 (PST) Received: from localhost ([::1]:53106 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOON5-0006eU-7F for importer@patchew.org; Mon, 11 Dec 2017 08:43:51 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34515) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO4Q-0003eN-PW for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:24:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eOO4O-0003Lf-5q for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:24:34 -0500 Received: from mail.ispras.ru ([83.149.199.45]:43944) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO4N-0003L6-Tn for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:24:32 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id C288654006A; Mon, 11 Dec 2017 16:24:30 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Mon, 11 Dec 2017 16:24:16 +0300 Message-ID: <151299865610.4808.8820750653179638903.stgit@Misha-PC.lan02.inno> In-Reply-To: <151299847127.4808.14646046517426494416.stgit@Misha-PC.lan02.inno> References: <151299847127.4808.14646046517426494416.stgit@Misha-PC.lan02.inno> User-Agent: StGit/0.17.1-dirty 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 v4 31/46] windbg: implemented windbg_set_dr7 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: sw@weilnetz.de, lprosek@redhat.com, dovgaluk@ispras.ru, rkagan@virtuozzo.com, pbonzini@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_6 Z_629925259 SPT_0 Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- target/i386/windbgstub.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index cae827df50..6e167a7473 100755 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -299,7 +299,32 @@ static int windbg_hw_breakpoint_remove(CPUState *cpu, = int index) } =20 static void windbg_set_dr7(CPUState *cpu, target_ulong new_dr7) -{} +{ + CPUArchState *env =3D cpu->env_ptr; + target_ulong old_dr7 =3D env->dr[7]; + int iobpt =3D 0; + int i; + + new_dr7 |=3D DR7_FIXED_1; + if (new_dr7 =3D=3D old_dr7) { + return; + } + + for (i =3D 0; i < DR7_MAX_BP; i++) { + if (IS_BP_ENABLED(old_dr7, i) && !IS_BP_ENABLED(new_dr7, i)) { + windbg_hw_breakpoint_remove(cpu, i); + } + } + + env->dr[7] =3D new_dr7; + for (i =3D 0; i < DR7_MAX_BP; i++) { + if (IS_BP_ENABLED(env->dr[7], i)) { + iobpt |=3D windbg_hw_breakpoint_insert(cpu, i); + } + } + + env->hflags =3D (env->hflags & ~HF_IOBPT_MASK) | iobpt; +} =20 static void windbg_set_dr(CPUState *cpu, int index, target_ulong value) {