From nobody Sun May 19 23:34:07 2024 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1556755158; cv=none; d=zoho.com; s=zohoarc; b=fm87SbDH4OEOsvBAmjUDWHj4IxmMoKLYQCOTjDlSmCYeqHBe/BgCSMkFB/KvOWbcSwno7k0dZMK5c1HV+mAsb0MqDvFpkCY06RqwMAZlLhOsCzISZM8ib676I/76TIEVt5Ug5lEyabdocSFewt5E5JbDlg/pgerlwaJ72WtkEUo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556755158; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To:ARC-Authentication-Results; bh=VENSpvb+vHnNrqMJSamEDyTgrEXHER6cJW1s756YdAU=; b=nuVdZe/DC3VZJFcd8qng4tbDBA3RLESwKfrEezwNmtKRHD+FAj0wLGNJq2prX5jXt/oaRfBqf11KXL3NZbUe1pb8uLGotGEm82h63M1SKf5CYYMtMhRMlJoqirnqc1qfKI9tUh6zTxBmYYWRcPnHXup3em9I0kvKqawyYP5sfDE= ARC-Authentication-Results: i=1; mx.zoho.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1556755158492280.82445247217197; Wed, 1 May 2019 16:59:18 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hLz6q-0002Ht-CY; Wed, 01 May 2019 23:57:56 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hLz6p-0002Ho-OE for xen-devel@lists.xenproject.org; Wed, 01 May 2019 23:57:55 +0000 Received: from mail-io1-f65.google.com (unknown [209.85.166.65]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id eb48e13a-6c6c-11e9-92bd-7b42fef032fb; Wed, 01 May 2019 23:57:47 +0000 (UTC) Received: by mail-io1-f65.google.com with SMTP id c3so493039iok.6 for ; Wed, 01 May 2019 16:57:47 -0700 (PDT) Received: from localhost.localdomain (c-71-205-12-124.hsd1.co.comcast.net. [71.205.12.124]) by smtp.gmail.com with ESMTPSA id t191sm3907455itt.17.2019.05.01.16.57.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 May 2019 16:57:45 -0700 (PDT) X-Inumbo-ID: eb48e13a-6c6c-11e9-92bd-7b42fef032fb X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=F1EFwmjRejkSVIk6M9h9XXs2tmKYOLzDlJ5HmptljIQ=; b=N+HkyBPB43EPtY4jJLrOm45s1i4YV81ZuBJLlyCIyVlkZr/GP6Ux2yHtoGoYPcvob6 XWym1XxOZTjbZMkCrPzY1W+OaIpvc9kPOvB04mYaKoXxicOk1WzRiob2fQ16F84hx+/L zj7FWEZK2IYXy940Pc0cx/loW7PujMsmkfzpUxySqDz+DZsNZm5jpLhGLtEAm1+rnpgO ExybsFsFXqSzcqYHVFSxCbzu9b6mW0CBEI2Qn+5trX7I+tueVYprmjluW6yWWMdd43Mt epMCjbPvy5prpIplZsLRfcPXSBp8v5dtxhN62MFLQ6FCocomvNkzt1FpoU704FGwxa3m of9Q== X-Gm-Message-State: APjAAAVnPJXwcpC6ihHH9N1KSdg6g8MybpHu8lMyja/VJItPlITebnb1 D0bGi2fHErK9t4J24RX/+8XEX9dQ X-Google-Smtp-Source: APXvYqzRP3TikTsUVibuWiEYHaKqIRSyJMoUXO4gP3p0DMDTZLsmANvT+5Hv9KdHe8TawY15/aWCGw== X-Received: by 2002:a5d:9397:: with SMTP id c23mr109791iol.206.1556755066538; Wed, 01 May 2019 16:57:46 -0700 (PDT) From: Tamas K Lengyel To: xen-devel@lists.xenproject.org Date: Wed, 1 May 2019 17:57:31 -0600 Message-Id: <20190501235731.1486-1-tamas@tklengyel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] x86/vm_event: add gdtr_base to the vm_event structure X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Tamas K Lengyel , Wei Liu , Razvan Cojocaru , Andrew Cooper , Jan Beulich , Roger Pau Monne Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Receiving this register is useful for introspecting 32-bit Windows when the event being trapped happened while in ring3. Signed-off-by: Tamas K Lengyel Cc: Razvan Cojocaru Cc: Tamas K Lengyel Cc: Jan Beulich Cc: Andrew Cooper Cc: Wei Liu Cc: Roger Pau Monne --- xen/arch/x86/vm_event.c | 5 +++++ xen/include/public/vm_event.h | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/vm_event.c b/xen/arch/x86/vm_event.c index 51c3493b1d..873788e32f 100644 --- a/xen/arch/x86/vm_event.c +++ b/xen/arch/x86/vm_event.c @@ -179,6 +179,10 @@ static void vm_event_pack_segment_register(enum x86_se= gment segment, reg->es_sel =3D seg.sel; break; =20 + case x86_seg_gdtr: + reg->gdtr_base =3D seg.base; + break; + default: ASSERT_UNREACHABLE(); } @@ -238,6 +242,7 @@ void vm_event_fill_regs(vm_event_request_t *req) vm_event_pack_segment_register(x86_seg_ss, &req->data.regs.x86); vm_event_pack_segment_register(x86_seg_ds, &req->data.regs.x86); vm_event_pack_segment_register(x86_seg_es, &req->data.regs.x86); + vm_event_pack_segment_register(x86_seg_gdtr, &req->data.regs.x86); =20 req->data.regs.x86.shadow_gs =3D ctxt.shadow_gs; req->data.regs.x86.dr6 =3D ctxt.dr6; diff --git a/xen/include/public/vm_event.h b/xen/include/public/vm_event.h index b2bafc0d77..fd020c5ea7 100644 --- a/xen/include/public/vm_event.h +++ b/xen/include/public/vm_event.h @@ -29,7 +29,7 @@ =20 #include "xen.h" =20 -#define VM_EVENT_INTERFACE_VERSION 0x00000004 +#define VM_EVENT_INTERFACE_VERSION 0x00000005 =20 #if defined(__XEN__) || defined(__XEN_TOOLS__) =20 @@ -198,6 +198,7 @@ struct vm_event_regs_x86 { uint64_t msr_efer; uint64_t msr_star; uint64_t msr_lstar; + uint64_t gdtr_base; uint32_t cs_base; uint32_t ss_base; uint32_t ds_base; --=20 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel