From patchwork Tue Nov 21 14:10:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Abakumov X-Patchwork-Id: 840070 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 3yh7ZC0FNMz9s71 for ; Wed, 22 Nov 2017 01:41:21 +1100 (AEDT) Received: from localhost ([::1]:34809 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9jj-0002vk-9E for incoming@patchwork.ozlabs.org; Tue, 21 Nov 2017 09:41:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40408) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9GL-0002hz-Fe for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:11:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eH9GH-0003M9-CT for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:57 -0500 Received: from mail.ispras.ru ([83.149.199.45]:38616) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9GH-0003M3-4l for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:10:53 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 6EA0054006E; Tue, 21 Nov 2017 17:10:52 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 21 Nov 2017 17:10:50 +0300 Message-ID: <151127345022.6888.7353172210861790809.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 38/45] windbg: implemented kd_api_read_physical_memory and kd_api_write_physical_memory 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" Signed-off-by: Mihail Abakumov Signed-off-by: Pavel Dovgalyuk Signed-off-by: Dmitriy Koltunov --- include/exec/windbgstub-utils.h | 2 ++ windbgstub-utils.c | 29 +++++++++++++++++++++++++++++ windbgstub.c | 8 ++++++++ 3 files changed, 39 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h index 7f52acbae3..be48f69f40 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -97,6 +97,8 @@ 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_read_physical_memory(CPUState *cpu, PacketData *pd); +void kd_api_write_physical_memory(CPUState *cpu, PacketData *pd); void kd_api_unsupported(CPUState *cpu, PacketData *pd); SizedBuf kd_gen_exception_sc(CPUState *cpu); diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 3f8ce1f8be..6708e62798 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -210,6 +210,35 @@ void kd_api_write_io_space(CPUState *cpu, PacketData *pd) pd->m64.ReturnStatus = STATUS_SUCCESS; } +void kd_api_read_physical_memory(CPUState *cpu, PacketData *pd) +{ + DBGKD_READ_MEMORY64 *mem = &pd->m64.u.ReadMemory; + uint32_t len; + target_ulong addr; + + len = MIN(ldl_p(&mem->TransferCount), + PACKET_MAX_SIZE - sizeof(DBGKD_MANIPULATE_STATE64)); + addr = ldtul_p(&mem->TargetBaseAddress); + + cpu_physical_memory_rw(addr, pd->extra, len, 0); + pd->extra_size = len; + stl_p(&mem->ActualBytesRead, len); +} + +void kd_api_write_physical_memory(CPUState *cpu, PacketData *pd) +{ + DBGKD_WRITE_MEMORY64 *mem = &pd->m64.u.WriteMemory; + uint32_t len; + target_ulong addr; + + len = MIN(ldl_p(&mem->TransferCount), pd->extra_size); + addr = ldtul_p(&mem->TargetBaseAddress); + + cpu_physical_memory_rw(addr, pd->extra, len, 1); + pd->extra_size = 0; + stl_p(&mem->ActualBytesWritten, len); +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Caught unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index 397dedd9d1..72324ae53d 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -189,6 +189,14 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx) kd_api_write_control_space(cpu, &ctx->data); break; + case DbgKdReadPhysicalMemoryApi: + kd_api_read_physical_memory(cpu, &ctx->data); + break; + + case DbgKdWritePhysicalMemoryApi: + kd_api_write_physical_memory(cpu, &ctx->data); + break; + case DbgKdClearAllInternalBreakpointsApi: return;