From nobody Tue Feb 10 03:39:45 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 154409850821679.14189693739365; Thu, 6 Dec 2018 04:15:08 -0800 (PST) Received: from localhost ([::1]:40390 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUsYc-00019X-Se for importer@patchew.org; Thu, 06 Dec 2018 07:15:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42202) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUsLu-0001Ec-3N for qemu-devel@nongnu.org; Thu, 06 Dec 2018 07:02:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gUsLq-0006DX-5K for qemu-devel@nongnu.org; Thu, 06 Dec 2018 07:01:58 -0500 Received: from mail.ispras.ru ([83.149.199.45]:60438) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gUsLp-00067t-Nt for qemu-devel@nongnu.org; Thu, 06 Dec 2018 07:01:54 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 6C2C954008C; Thu, 6 Dec 2018 15:01:42 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 06 Dec 2018 15:01:37 +0300 Message-ID: <154409769766.5432.16427330454402696732.stgit@Misha-PC.lan02.inno> In-Reply-To: <154409751316.5432.3325938832238028060.stgit@Misha-PC.lan02.inno> References: <154409751316.5432.3325938832238028060.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 32/39] windbg: implement 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" Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- 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 2843ad055e..f0a786cdef 100644 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -76,6 +76,8 @@ void kd_api_restore_breakpoint(CPUState *cs, PacketData *= pd); void kd_api_continue(CPUState *cs, PacketData *pd); void kd_api_read_control_space(CPUState *cs, PacketData *pd); void kd_api_write_control_space(CPUState *cs, PacketData *pd); +void kd_api_read_io_space(CPUState *cs, PacketData *pd); +void kd_api_write_io_space(CPUState *cs, PacketData *pd); void kd_api_clear_all_internal_breakpoints(CPUState *cs, PacketData *pd); void kd_api_get_context_ex(CPUState *cs, PacketData *pd); void kd_api_set_context_ex(CPUState *cs, PacketData *pd); diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 9432aad762..48855cc858 100644 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -10,6 +10,7 @@ */ =20 #include "exec/windbgstub-utils.h" +#include "exec/address-spaces.h" #include "sysemu/sysemu.h" =20 static const char *kd_api_names[] =3D { @@ -326,6 +327,67 @@ void kd_api_continue(CPUState *cs, PacketData *pd) } } =20 +void kd_api_read_io_space(CPUState *cs, PacketData *pd) +{ + DBGKD_READ_WRITE_IO64 *io =3D &pd->m64.u.ReadWriteIo; + CPUArchState *env =3D cs->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 *cs, PacketData *pd) +{ + DBGKD_READ_WRITE_IO64 *io =3D &pd->m64.u.ReadWriteIo; + CPUArchState *env =3D cs->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_clear_all_internal_breakpoints(CPUState *cs, PacketData *pd) { } diff --git a/windbgstub.c b/windbgstub.c index d64bbc3f34..78f96a6621 100644 --- a/windbgstub.c +++ b/windbgstub.c @@ -196,6 +196,14 @@ static void windbg_process_manipulate_packet(WindbgSta= te *state) kd_api_write_control_space(cs, data); break; =20 + case DbgKdReadIoSpaceApi: + kd_api_read_io_space(cs, data); + break; + + case DbgKdWriteIoSpaceApi: + kd_api_write_io_space(cs, data); + break; + case DbgKdClearAllInternalBreakpointsApi: kd_api_clear_all_internal_breakpoints(cs, data); return;