From nobody Tue Feb 10 18:54:57 2026 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.zohomail.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 1506425735783462.38333022767085; Tue, 26 Sep 2017 04:35:35 -0700 (PDT) Received: from localhost ([::1]:46836 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwo9A-0004yK-4i for importer@patchew.org; Tue, 26 Sep 2017 07:35:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59994) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnhn-0005UM-El for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwnhk-0001Vc-Ar for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:11 -0400 Received: from mail.ispras.ru ([83.149.199.45]:52276) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnhk-0001VT-2y for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:08 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 6D7845400EF; Tue, 26 Sep 2017 14:07:07 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:07:06 +0300 Message-ID: <150642402591.3900.544237580736904991.stgit@Misha-PC.lan02.inno> In-Reply-To: <150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno> References: <150642384156.3900.3326424823772221077.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 32/43] 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_0 Z_629925259 SPT_0 Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- windbgstub-utils.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 58c4c98f04..e33789725e 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -303,7 +303,32 @@ 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) {