From nobody Mon Feb 9 23:58:10 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 1543502387723900.6081899052868; Thu, 29 Nov 2018 06:39:47 -0800 (PST) Received: from localhost ([::1]:54505 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNTm-0006m0-4c for importer@patchew.org; Thu, 29 Nov 2018 09:39:46 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53293) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNJg-0005Bw-Hf for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSNJb-0007Ff-BC for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:19 -0500 Received: from mail.ispras.ru ([83.149.199.45]:39624) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNJb-0007DE-2a for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:15 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 374CF54011B; Thu, 29 Nov 2018 17:29:14 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 29 Nov 2018 17:29:11 +0300 Message-ID: <154350175175.8036.12351530412704216231.stgit@Misha-PC.lan02.inno> In-Reply-To: <154350164526.8036.12623669071583857903.stgit@Misha-PC.lan02.inno> References: <154350164526.8036.12623669071583857903.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 18/39] windbg: implement windbg_process_control_packet 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" Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- windbgstub.c | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/windbgstub.c b/windbgstub.c index fe0b007a06..f13c9a6c1e 100644 --- a/windbgstub.c +++ b/windbgstub.c @@ -91,7 +91,6 @@ static void windbg_store_packet(KD_PACKET *packet) stl_p(&packet->Checksum, packet->Checksum); } =20 -__attribute__ ((unused)) /* unused yet */ static void windbg_send_data_packet(WindbgState *state, uint8_t *data, uint16_t byte_count, uint16_t type) { @@ -141,6 +140,40 @@ static void windbg_process_data_packet(WindbgState *st= ate) =20 static void windbg_process_control_packet(WindbgState *state) { + ParsingContext *ctx =3D &state->ctx; + + switch (ctx->packet.PacketType) { + case PACKET_TYPE_KD_ACKNOWLEDGE: + if (state->wait_packet_type =3D=3D PACKET_TYPE_KD_ACKNOWLEDGE && + (ctx->packet.PacketId =3D=3D (state->curr_packet_id & + ~SYNC_PACKET_ID))) { + state->curr_packet_id ^=3D 1; + state->wait_packet_type =3D 0; + } + break; + + case PACKET_TYPE_KD_RESET: { + state->curr_packet_id =3D INITIAL_PACKET_ID; + windbg_send_control_packet(state, PACKET_TYPE_KD_RESET, 0); + + DBGKD_ANY_WAIT_STATE_CHANGE *sc =3D kd_state_change_ls(qemu_get_cp= u(0)); + windbg_send_data_packet(state, (uint8_t *) sc, + sizeof(DBGKD_ANY_WAIT_STATE_CHANGE), + PACKET_TYPE_KD_STATE_CHANGE64); + g_free(sc); + break; + } + + case PACKET_TYPE_KD_RESEND: + break; + + default: + WINDBG_ERROR("Caught unsupported control packet 0x%x", + ctx->packet.PacketType); + + windbg_send_control_packet(state, PACKET_TYPE_KD_RESEND, 0); + break; + } } =20 static void windbg_ctx_handler(WindbgState *state)