From nobody Tue Feb 10 20:14:40 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1508246230653556.8446348929234; Tue, 17 Oct 2017 06:17:10 -0700 (PDT) Received: from localhost ([::1]:39186 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4Rjt-0000Th-2x for importer@patchew.org; Tue, 17 Oct 2017 09:16:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32956) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4Rco-0002y6-29 for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:09:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e4Rcj-0004r8-Nr for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:09:38 -0400 Received: from mail.ispras.ru ([83.149.199.45]:56560) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4Rcj-0004qp-Eu for qemu-devel@nongnu.org; Tue, 17 Oct 2017 09:09:33 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id B860454006B; Tue, 17 Oct 2017 16:09:32 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 17 Oct 2017 16:09:30 +0300 Message-ID: <150824577017.6816.18445123367944855125.stgit@Misha-PC.lan02.inno> In-Reply-To: <150824572545.6816.5099701189660002212.stgit@Misha-PC.lan02.inno> References: <150824572545.6816.5099701189660002212.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 v2 07/43] 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_6 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; }