From nobody Tue Feb 10 20:28:06 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 1506424314262262.7698493541171; Tue, 26 Sep 2017 04:11:54 -0700 (PDT) Received: from localhost ([::1]:46721 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnmJ-0000iO-Fc for importer@patchew.org; Tue, 26 Sep 2017 07:11:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58899) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnfa-0003NE-3b for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:04:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwnfU-0008WC-3J for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:04:54 -0400 Received: from mail.ispras.ru ([83.149.199.45]:51734) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwnfT-0008Uz-S7 for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:04:48 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 23F13540092; Tue, 26 Sep 2017 14:04:47 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:04:45 +0300 Message-ID: <150642388560.3900.1889412060549174598.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 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_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 Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov Acked-by: Alistair Francis --- windbgstub.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/windbgstub.c b/windbgstub.c index 60a380c213..378d1b911f 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -10,6 +10,7 @@ */ =20 #include "qemu/osdep.h" +#include "qapi/error.h" #include "chardev/char.h" #include "chardev/char-fe.h" #include "exec/windbgstub.h" @@ -18,12 +19,26 @@ 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); @@ -31,6 +46,8 @@ static void windbg_exit(void) =20 int windbg_server_start(const char *device) { + Chardev *chr =3D NULL; + if (windbg_state) { WINDBG_ERROR("Multiple instances are not supported"); exit(1); @@ -40,6 +57,15 @@ int windbg_server_start(const char *device) 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; }