From nobody Tue Feb 10 14:32:25 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 1543503365056226.12074694548892; Thu, 29 Nov 2018 06:56:05 -0800 (PST) Received: from localhost ([::1]:54599 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNjP-0005vj-Ta for importer@patchew.org; Thu, 29 Nov 2018 09:55:55 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54379) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNLa-0006uv-7V for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:31:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSNLU-0002KG-HH for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:31:18 -0500 Received: from mail.ispras.ru ([83.149.199.45]:40030) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNLU-0001pE-74 for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:31:12 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id B5F7A540222; Thu, 29 Nov 2018 17:31:01 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 29 Nov 2018 17:30:59 +0300 Message-ID: <154350185918.8036.9954005878918332833.stgit@Misha-PC.lan02.inno> In-Reply-To: <154350164526.8036.12623669071583857903.stgit@Misha-PC.lan02.inno> References: <154350164526.8036.12623669071583857903.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 37/39] windbg: implement 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- include/exec/windbgstub-utils.h | 1 + windbgstub-utils.c | 41 +++++++++++++++++++++++++++++++++++= ++++ windbgstub.c | 4 ++++ 3 files changed, 46 insertions(+) diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-util= s.h index 4eb976260b..8192a7b849 100644 --- a/include/exec/windbgstub-utils.h +++ b/include/exec/windbgstub-utils.h @@ -85,6 +85,7 @@ void kd_api_read_msr(CPUState *cs, PacketData *pd); void kd_api_write_msr(CPUState *cs, PacketData *pd); void kd_api_search_memory(CPUState *cs, PacketData *pd); void kd_api_clear_all_internal_breakpoints(CPUState *cs, PacketData *pd); +void kd_api_fill_memory(CPUState *cs, PacketData *pd); void kd_api_get_context_ex(CPUState *cs, PacketData *pd); void kd_api_set_context_ex(CPUState *cs, PacketData *pd); void kd_api_unsupported(CPUState *cs, PacketData *pd); diff --git a/windbgstub-utils.c b/windbgstub-utils.c index d77908fb45..007fea7223 100644 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -435,6 +435,47 @@ void kd_api_clear_all_internal_breakpoints(CPUState *c= s, PacketData *pd) { } =20 +void kd_api_fill_memory(CPUState *cs, PacketData *pd) +{ + DBGKD_FILL_MEMORY *m64c =3D &pd->m64.u.FillMemory; + uint32_t len =3D ldl_p(&m64c->Length); + target_ulong addr =3D ldq_p(&m64c->Address); + uint16_t pattern =3D MIN(ldl_p(&m64c->PatternLength), pd->extra_size); + uint16_t flags =3D ldl_p(&m64c->Flags); + int err, offset =3D 0; + + uint8_t *mem =3D g_new(uint8_t, pattern); + memcpy(mem, pd->extra, pattern); + + pd->extra_size =3D 0; + + switch (flags) { + case DBGKD_FILL_MEMORY_VIRTUAL: + while (offset < len) { + err =3D cpu_memory_rw_debug(cs, addr + offset, mem, + MIN(pattern, len - offset), 1); + offset +=3D pattern; + if (err) { + DPRINTF("fill_memory: No physical page mapped: " FMT_ADDR = "\n", + addr); + } + } + break; + + case DBGKD_FILL_MEMORY_PHYSICAL: + while (offset < len) { + cpu_physical_memory_rw(addr, mem, MIN(pattern, len - offset), = 1); + offset +=3D pattern; + } + break; + + default: + break; + } + + g_free(mem); +} + void kd_api_unsupported(CPUState *cs, PacketData *pd) { WINDBG_ERROR("Caught unimplemented api %s", kd_api_name(pd->m64.ApiNum= ber)); diff --git a/windbgstub.c b/windbgstub.c index a50de68db5..daf6d37aa1 100644 --- a/windbgstub.c +++ b/windbgstub.c @@ -232,6 +232,10 @@ static void windbg_process_manipulate_packet(WindbgSta= te *state) kd_api_clear_all_internal_breakpoints(cs, data); return; =20 + case DbgKdFillMemoryApi: + kd_api_fill_memory(cs, data); + break; + case DbgKdGetContextExApi: kd_api_get_context_ex(cs, data); break;