From nobody Tue Feb 10 06:07:42 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 1512998802576445.1590522415586; Mon, 11 Dec 2017 05:26:42 -0800 (PST) Received: from localhost ([::1]:53009 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO6R-00050Q-70 for importer@patchew.org; Mon, 11 Dec 2017 08:26:39 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO2C-0000Li-U2 for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:22:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eOO29-0001sZ-Pt for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:22:16 -0500 Received: from mail.ispras.ru ([83.149.199.45]:43376) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO29-0001rU-Gq for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:22:13 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id C2A9F54006B; Mon, 11 Dec 2017 16:22:12 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Mon, 11 Dec 2017 16:21:58 +0300 Message-ID: <151299851810.4808.522538374603687167.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 07/46] windbg: added chardev 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 Added chardev for listening to windbg. Target device is a parameter in the = '-windbg' option. Signed-off-by: Mihail Abakumov Acked-by: Alistair Francis Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- windbgstub.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/windbgstub.c b/windbgstub.c index 0863da73fd..e30b8500e0 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -20,12 +20,26 @@ typedef struct WindbgState { bool is_loaded; =20 + CharBackend chr; + uint32_t ctrl_packet_id; uint32_t data_packet_id; } WindbgState; =20 static WindbgState *windbg_state; =20 +static int windbg_chr_can_receive(void *opaque) +{ + return PACKET_MAX_SIZE; +} + +static void windbg_chr_receive(void *opaque, const uint8_t *buf, int size) +{ + if (windbg_state->is_loaded) { + /* T0D0: parse data */ + } +} + static void windbg_exit(void) { g_free(windbg_state); @@ -33,15 +47,31 @@ static void windbg_exit(void) =20 int windbg_server_start(const char *device) { + Chardev *chr =3D NULL; + if (windbg_state) { WINDBG_ERROR("Multiple instances of windbg are not supported."); exit(1); } =20 + if (!strstart(device, "pipe:", NULL)) { + WINDBG_ERROR("Unsupported device. Supported only pipe."); + exit(1); + } + windbg_state =3D g_new0(WindbgState, 1); windbg_state->ctrl_packet_id =3D RESET_PACKET_ID; windbg_state->data_packet_id =3D INITIAL_PACKET_ID; =20 + chr =3D qemu_chr_new_noreplay(WINDBG, device); + if (!chr) { + return -1; + } + + qemu_chr_fe_init(&windbg_state->chr, chr, &error_abort); + qemu_chr_fe_set_handlers(&windbg_state->chr, windbg_chr_can_receive, + windbg_chr_receive, NULL, NULL, NULL, NULL, t= rue); + atexit(windbg_exit); return 0; }