From nobody Tue Feb 10 20:14:13 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 1511275219120347.5383894905467; Tue, 21 Nov 2017 06:40:19 -0800 (PST) Received: from localhost ([::1]:34800 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9iV-0001zT-9r for importer@patchew.org; Tue, 21 Nov 2017 09:40:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40366) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9GE-0002cP-Ak for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eH9GB-0003Kd-TJ for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:50 -0500 Received: from mail.ispras.ru ([83.149.199.45]:38576) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9GB-0003KT-Gc for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:47 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id CAB6A54006E; Tue, 21 Nov 2017 17:10:46 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 21 Nov 2017 17:10:44 +0300 Message-ID: <151127344459.6888.9361026523542993921.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 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 v3 37/45] 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_6 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 2cfca92183..7f52acbae3 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -95,6 +95,8 @@ 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 a04698b003..397dedd9d1 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);