From patchwork Tue Nov 21 14:08:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Abakumov X-Patchwork-Id: 840031 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yh6yz6bsmz9s71 for ; Wed, 22 Nov 2017 01:14:19 +1100 (AEDT) Received: from localhost ([::1]:34645 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9JZ-0005KN-Uh for incoming@patchwork.ozlabs.org; Tue, 21 Nov 2017 09:14:17 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39373) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9E9-0000pC-V8 for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:08:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eH9E0-0002Wj-BS for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:08:41 -0500 Received: from mail.ispras.ru ([83.149.199.45]:37918) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9E0-0002WX-3S for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:08:32 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 6788B54006E; Tue, 21 Nov 2017 17:08:31 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 21 Nov 2017 17:08:29 +0300 Message-ID: <151127330919.6888.6952320772457934021.stgit@Misha-PC.lan02.inno> In-Reply-To: <151127322955.6888.16198535123422076171.stgit@Misha-PC.lan02.inno> References: <151127322955.6888.16198535123422076171.stgit@Misha-PC.lan02.inno> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH v3 13/45] windbg: handler of parsing context 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Implemented handler of parsing context. Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- windbgstub.c | 36 ++++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/windbgstub.c b/windbgstub.c index 8c33e0de0a..b71449e369 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -11,6 +11,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" +#include "sysemu/sysemu.h" #include "chardev/char.h" #include "chardev/char-fe.h" #include "qemu/cutils.h" @@ -97,7 +98,6 @@ static void windbg_send_data_packet(uint8_t *data, uint16_t byte_count, windbg_state->data_packet_id ^= 1; } -__attribute__ ((unused)) /* unused yet */ static void windbg_send_control_packet(uint16_t type) { KD_PACKET packet = { @@ -116,9 +116,41 @@ static void windbg_send_control_packet(uint16_t type) windbg_state->ctrl_packet_id ^= 1; } -static void windbg_ctx_handler(ParsingContext *ctx) +static void windbg_process_data_packet(ParsingContext *ctx) {} +static void windbg_process_control_packet(ParsingContext *ctx) +{} + +static void windbg_ctx_handler(ParsingContext *ctx) +{ + switch (ctx->result) { + case RESULT_NONE: + break; + + case RESULT_BREAKIN_BYTE: + vm_stop(RUN_STATE_PAUSED); + break; + + case RESULT_CONTROL_PACKET: + windbg_process_control_packet(ctx); + break; + + case RESULT_DATA_PACKET: + windbg_process_data_packet(ctx); + break; + + case RESULT_UNKNOWN_PACKET: + case RESULT_ERROR: + windbg_state->ctrl_packet_id = 0; + windbg_send_control_packet(PACKET_TYPE_KD_RESEND); + break; + + default: + break; + } +} + static void windbg_read_byte(ParsingContext *ctx, uint8_t byte) { switch (ctx->state) {