From nobody Tue Feb 10 00:39:56 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 1543503685296337.8849084716179; Thu, 29 Nov 2018 07:01:25 -0800 (PST) Received: from localhost ([::1]:54641 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNod-0002re-Oi for importer@patchew.org; Thu, 29 Nov 2018 10:01:19 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53167) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNJW-00052e-Iz for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSNJQ-0006rh-FW for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:10 -0500 Received: from mail.ispras.ru ([83.149.199.45]:39556) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSNJP-0006lc-Rg for qemu-devel@nongnu.org; Thu, 29 Nov 2018 09:29:04 -0500 Received: from Misha-PC.lan02.inno (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id E87EE5400FB; Thu, 29 Nov 2018 17:29:02 +0300 (MSK) From: Mikhail Abakumov To: qemu-devel@nongnu.org Date: Thu, 29 Nov 2018 17:29:00 +0300 Message-ID: <154350174045.8036.18007260100806768232.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 16/39] windbg: init DBGKD_ANY_WAIT_STATE_CHANGE 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" Add function for init DBGKD_ANY_WAIT_STATE_CHANGE. It is a header of 'state change' packets. Signed-off-by: Mikhail Abakumov Signed-off-by: Pavel Dovgalyuk --- target/i386/windbgstub.c | 45 ++++++++++++++++++++++++++++++++++++++++++= +++ 1 file changed, 45 insertions(+) diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c index f1bab10b10..b2ac7a6d5f 100644 --- a/target/i386/windbgstub.c +++ b/target/i386/windbgstub.c @@ -15,9 +15,13 @@ #ifdef TARGET_X86_64 #define OFFSET_KPCR_SELF 0x18 #define OFFSET_KPCR_LOCK_ARRAY 0x28 +#define OFFSET_KPRCB 0x20 +#define OFFSET_KPRCB_CURRTHREAD 0x8 #else /* TARGET_I386 */ #define OFFSET_KPCR_SELF 0x1C #define OFFSET_KPCR_VERSION 0x34 +#define OFFSET_KPRCB 0x20 +#define OFFSET_KPRCB_CURRTHREAD 0x4 #endif /* TARGET_I386 */ =20 #ifdef TARGET_X86_64 @@ -156,3 +160,44 @@ void windbg_on_reset(void) kdVersion.is_init =3D false; #endif } + +__attribute__ ((unused)) /* unused yet */ +static void kd_init_state_change(CPUState *cs, DBGKD_ANY_WAIT_STATE_CHANGE= *sc) +{ + X86CPU *cpu =3D X86_CPU(cs); + CPUX86State *env =3D &cpu->env; + DBGKD_CONTROL_REPORT *cr =3D &sc->ControlReport; + target_ulong KPRCB =3D VMEM_ADDR(cs, KPCR.addr + OFFSET_KPRCB); + target_ulong thread =3D VMEM_ADDR(cs, KPRCB + OFFSET_KPRCB_CURRTHREAD); + int number_processors =3D 0; + + CPUState *cpu_tmp; + CPU_FOREACH(cpu_tmp) { + ++number_processors; + } + + /* HEADER */ + + /* TODO: Fix this hardcoded value. */ + stw_p(&sc->ProcessorLevel, 0); + /* TODO: Fix this hardcoded value. */ + stw_p(&sc->Processor, 0); + stl_p(&sc->NumberProcessors, number_processors); + sttul_p(&sc->Thread, thread); + sttul_p(&sc->ProgramCounter, env->eip); + + /* CONTROL REPORT */ + + sttul_p(&cr->Dr6, env->dr[6]); + sttul_p(&cr->Dr7, env->dr[7]); + stw_p(&cr->ReportFlags, REPORT_INCLUDES_SEGS | REPORT_STANDARD_CS); + stw_p(&cr->SegCs, env->segs[R_CS].selector); + stw_p(&cr->SegDs, env->segs[R_DS].selector); + stw_p(&cr->SegEs, env->segs[R_ES].selector); + stw_p(&cr->SegFs, env->segs[R_FS].selector); + stl_p(&cr->EFlags, env->eflags); + + /* This is a feature */ + memset(cr->InstructionStream, 0, DBGKD_MAXSTREAM); + stw_p(&cr->InstructionCount, 0); +}