From patchwork Tue Nov 21 14:11:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Abakumov X-Patchwork-Id: 840042 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 3yh78m61MMz9s71 for ; Wed, 22 Nov 2017 01:22:48 +1100 (AEDT) Received: from localhost ([::1]:34688 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9Rm-0004mx-TV for incoming@patchwork.ozlabs.org; Tue, 21 Nov 2017 09:22:46 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40529) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9Gj-000348-I0 for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:11:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eH9Gf-0003ds-El for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:11:21 -0500 Received: from mail.ispras.ru ([83.149.199.45]:38712) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eH9Gf-0003dm-6s for qemu-devel@nongnu.org; Tue, 21 Nov 2017 09:11:17 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 862B654006E; Tue, 21 Nov 2017 17:11:16 +0300 (MSK) From: Mihail Abakumov To: qemu-devel@nongnu.org Date: Tue, 21 Nov 2017 17:11:14 +0300 Message-ID: <151127347432.6888.8678423294546071513.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 42/45] windbg: implemented kd_api_fill_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 | 1 + windbgstub-utils.c | 39 +++++++++++++++++++++++++++++++++++++++ windbgstub.c | 4 ++++ 3 files changed, 44 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h index c2eb8a75a7..e144294b51 100755 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -103,6 +103,7 @@ void kd_api_get_version(CPUState *cpu, PacketData *pd); void kd_api_read_msr(CPUState *cpu, PacketData *pd); void kd_api_write_msr(CPUState *cpu, PacketData *pd); void kd_api_search_memory(CPUState *cpu, PacketData *pd); +void kd_api_fill_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 1f4590f338..fb2c378460 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -294,6 +294,45 @@ void kd_api_search_memory(CPUState *cpu, PacketData *pd) } } +void kd_api_fill_memory(CPUState *cpu, PacketData *pd) +{ + DBGKD_FILL_MEMORY *m64c = &pd->m64.u.FillMemory; + uint32_t len = ldl_p(&m64c->Length); + target_ulong addr = ldq_p(&m64c->Address); + uint16_t pattern = ldl_p(&m64c->PatternLength); + uint16_t flags = ldl_p(&m64c->Flags); + int err, offset = 0; + + uint8_t mem[pattern]; + memcpy(mem, pd->extra, pattern); + + pd->extra_size = 0; + + switch (flags) { + case DBGKD_FILL_MEMORY_VIRTUAL: + while (offset < len) { + err = cpu_memory_rw_debug(cpu, addr + offset, mem, + MIN(pattern, len - offset), 1); + offset += pattern; + if (err) { + WINDBG_DEBUG("fill_memory: No physical page mapped: " FMT_ADDR, + addr); + } + } + break; + + case DBGKD_FILL_MEMORY_PHYSICAL: + while (offset < len) { + cpu_physical_memory_rw(addr, mem, MIN(pattern, len - offset), 1); + offset += pattern; + } + break; + + default: + break; + } +} + void kd_api_unsupported(CPUState *cpu, PacketData *pd) { WINDBG_ERROR("Caught unimplemented api %s", diff --git a/windbgstub.c b/windbgstub.c index d35ff6ba96..b348028dfd 100755 --- a/windbgstub.c +++ b/windbgstub.c @@ -216,6 +216,10 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx) kd_api_search_memory(cpu, &ctx->data); break; + case DbgKdFillMemoryApi: + kd_api_fill_memory(cpu, &ctx->data); + break; + default: kd_api_unsupported(cpu, &ctx->data); break;