From nobody Tue Feb 10 06:43:19 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 1513000077994930.6637787654839; Mon, 11 Dec 2017 05:47:57 -0800 (PST) Received: from localhost ([::1]:53127 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOOQw-0002eL-Nv for importer@patchew.org; Mon, 11 Dec 2017 08:47:50 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34683) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO4r-00043o-JL for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:25:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eOO4q-0003dF-FM for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:25:01 -0500 Received: from mail.ispras.ru ([83.149.199.45]:44070) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eOO4q-0003cp-2L for qemu-devel@nongnu.org; Mon, 11 Dec 2017 08:25:00 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 559EF54006A; Mon, 11 Dec 2017 16:24:59 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Mon, 11 Dec 2017 16:24:44 +0300 Message-ID: <151299868463.4808.12587538072784467778.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 36/46] windbg: implemented kd_api_read_io_space and kd_api_write_io_space 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 Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- include/exec/windbgstub-utils.h | 2 + windbgstub-utils.c | 62 +++++++++++++++++++++++++++++++++++= ++++ windbgstub.c | 8 +++++ 3 files changed, 72 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index b2416d7698..131eb6418a 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -83,6 +83,8 @@ void kd_api_restore_breakpoint(CPUState *cpu, PacketData = *pd); void kd_api_continue(CPUState *cpu, PacketData *pd); void kd_api_read_control_space(CPUState *cpu, PacketData *pd); void kd_api_write_control_space(CPUState *cpu, PacketData *pd); +void kd_api_read_io_space(CPUState *cpu, PacketData *pd); +void kd_api_write_io_space(CPUState *cpu, PacketData *pd); void kd_api_unsupported(CPUState *cpu, PacketData *pd); =20 SizedBuf kd_gen_exception_sc(CPUState *cpu); diff --git a/windbgstub-utils.c b/windbgstub-utils.c index fe3adb0b88..3f8ce1f8be 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -11,6 +11,7 @@ =20 #include "exec/windbgstub-utils.h" #include "sysemu/sysemu.h" +#include "exec/address-spaces.h" =20 static InitedAddr KPCR; static InitedAddr version; @@ -148,6 +149,67 @@ void kd_api_continue(CPUState *cpu, PacketData *pd) } } =20 +void kd_api_read_io_space(CPUState *cpu, PacketData *pd) +{ + DBGKD_READ_WRITE_IO64 *io =3D &pd->m64.u.ReadWriteIo; + CPUArchState *env =3D cpu->env_ptr; + + target_ulong addr =3D ldtul_p(&io->IoAddress); + uint32_t value =3D 0; + + switch (io->DataSize) { + case 1: + value =3D address_space_ldub(&address_space_io, addr, + cpu_get_mem_attrs(env), NULL); + stl_p(&io->DataValue, value); + break; + case 2: + value =3D address_space_lduw(&address_space_io, addr, + cpu_get_mem_attrs(env), NULL); + stl_p(&io->DataValue, value); + break; + case 4: + value =3D address_space_ldl(&address_space_io, addr, + cpu_get_mem_attrs(env), NULL); + stl_p(&io->DataValue, value); + break; + default: + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + return; + } + + pd->m64.ReturnStatus =3D STATUS_SUCCESS; +} + +void kd_api_write_io_space(CPUState *cpu, PacketData *pd) +{ + DBGKD_READ_WRITE_IO64 *io =3D &pd->m64.u.ReadWriteIo; + CPUArchState *env =3D cpu->env_ptr; + + target_ulong addr =3D ldtul_p(&io->IoAddress); + uint32_t value =3D ldl_p(&io->DataValue); + + switch (io->DataSize) { + case 1: + address_space_stb(&address_space_io, addr, value, + cpu_get_mem_attrs(env), NULL); + break; + case 2: + address_space_stw(&address_space_io, addr, value, + cpu_get_mem_attrs(env), NULL); + break; + case 4: + address_space_stl(&address_space_io, addr, value, + cpu_get_mem_attrs(env), NULL); + break; + default: + pd->m64.ReturnStatus =3D STATUS_UNSUCCESSFUL; + return; + } + + pd->m64.ReturnStatus =3D STATUS_SUCCESS; +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Caught unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index bc59c0903a..a88bfde072 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -168,6 +168,14 @@ static void windbg_process_manipulate_packet(ParsingCo= ntext *ctx) kd_api_restore_breakpoint(cpu, &ctx->data); break; =20 + case DbgKdReadIoSpaceApi: + kd_api_read_io_space(cpu, &ctx->data); + break; + + case DbgKdWriteIoSpaceApi: + kd_api_write_io_space(cpu, &ctx->data); + break; + case DbgKdContinueApi: case DbgKdContinueApi2: kd_api_continue(cpu, &ctx->data);