From patchwork Tue Sep 26 11:07:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Abakumov X-Patchwork-Id: 818575 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 3y1f30295gz9sRV for ; Tue, 26 Sep 2017 21:33:16 +1000 (AEST) Received: from localhost ([::1]:46829 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwo6y-0002uw-UD for incoming@patchwork.ozlabs.org; Tue, 26 Sep 2017 07:33:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60247) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwniK-00060J-DR for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwniI-0001iN-GY for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:44 -0400 Received: from mail.ispras.ru ([83.149.199.45]:52396) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwniI-0001hx-8w for qemu-devel@nongnu.org; Tue, 26 Sep 2017 07:07:42 -0400 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 9AA9C54010B; Tue, 26 Sep 2017 14:07:41 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 26 Sep 2017 14:07:40 +0300 Message-ID: <150642406010.3900.1199547239226671745.stgit@Misha-PC.lan02.inno> In-Reply-To: <150642384156.3900.3326424823772221077.stgit@Misha-PC.lan02.inno> References: <150642384156.3900.3326424823772221077.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 38/43] 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 | 28 ++++++++++++++++++++++++++++ windbgstub.c | 8 ++++++++ 3 files changed, 38 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h index 07e11c0494..d390bc1dfe 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -113,6 +113,8 @@ 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 6bf9868e51..1fba54f9d9 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -1170,6 +1170,34 @@ 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 - M64_SIZE); + addr = ldtul_p(&mem->TargetBaseAddress); + + cpu_physical_memory_rw(addr, pd->extra, len, 0); + pd->extra_size = len; + mem->ActualBytesRead = ldl_p(&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; + mem->ActualBytesWritten = ldl_p(&len); +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Catched unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index 0363d9a5c8..118e9dd697 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -182,6 +182,14 @@ 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;