From nobody Sun May 19 18:35:12 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+76444+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76444+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1623559019; cv=none; d=zohomail.com; s=zohoarc; b=U/4yIL0cxO/X0p2Y5wrBAgZtwtBmHICh4+CTgEx51U6PcYgsHc84sUkoTGTZRYI1BJNuPevH/D1d1lTeOQW3j1dXYmAEvf7Cj1w5I79zhF5ZukwbcmRtslHLVj8iqu1De+9UGMjWQpodxH4v3MJC70n+VPtNAkBNBqhVT2cxxjQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623559019; h=Cc:Date:From:List-Subscribe:List-Id:List-Help:List-Unsubscribe:Message-ID:Reply-To:Sender:Subject:To; bh=9qvt7xu7PEJymYfpWfr6YfmBVXspV5JzSNQpZBMXkuI=; b=arbBywwEV6DEt7xCo3wBEodb4Sx+B277BIjmDHNrqYPfE6/YfsPfcEjEtjZDUgXs5ijVrqu1tiCbuNCZEOb6/XcsW5+ZHqJ2sEPIl0kkf4SAgZbEinJqwT3ZAGy9xhLGDFQFkKOnutPWE6RN5Fpuu/kjMGTcPdUwau+CWrs/Zdw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+76444+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 16235590191441021.1391889036738; Sat, 12 Jun 2021 21:36:59 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id JGa0YY1788612xhoTeR84mEs; Sat, 12 Jun 2021 21:36:55 -0700 X-Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by mx.groups.io with SMTP id smtpd.web10.13895.1623559015091486323 for ; Sat, 12 Jun 2021 21:36:55 -0700 IronPort-SDR: 5nXyxUb1hKLrvsBDvExWOTMTT7IEly4u8k3bgTSymsHA9doZgiJEOnarwF3AS5MmnaEowLFCFw JzRc1Yyzy/2Q== X-IronPort-AV: E=McAfee;i="6200,9189,10013"; a="193007219" X-IronPort-AV: E=Sophos;i="5.83,270,1616482800"; d="scan'208";a="193007219" X-Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jun 2021 21:36:53 -0700 IronPort-SDR: nzXEDdVF1OosSbvZge0q1yYLEgz+DddZZhiXdv/f1+pmMthCcXZsuXM+HT2vDKRa4ZG9y3PxgT EVkjzokZ4YQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,270,1616482800"; d="scan'208";a="487034116" X-Received: from shwdesssddpdwei.ccr.corp.intel.com ([10.239.157.26]) by fmsmga002.fm.intel.com with ESMTP; 12 Jun 2021 21:36:52 -0700 From: "Sheng Wei" To: devel@edk2.groups.io Cc: Eric Dong , Ray Ni , Laszlo Ersek , Rahul Kumar , Jiewen Yao Subject: [edk2-devel] [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Initialize the fixed previous shadow stack token. Date: Sun, 13 Jun 2021 12:36:38 +0800 Message-Id: <20210613043638.4208-1-w.sheng@intel.com> Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,w.sheng@intel.com X-Gm-Message-State: Q0fv6i2RcsnyB0yNRet3VSiyx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1623559015; bh=8TZg9j8I/kYmyPMbTCN5UpUM8KSpT9abSlU0FRK0cz8=; h=Cc:Date:From:Reply-To:Subject:To; b=Z47wNBP2P7ltsHC+lKLgnovGarUxtH1Tlz+LRFTOGEQ6OMGghsokXITTLgB/dQGBLDA t+rxrf77hF5het6BvI5G2bELK6Zfm525aFs7RrdPlvpdwyJ349u8tu08O99dmOgcG7Gka ds4qpfbe0Krme9PYwGVEaSfQLlIr8WX8QG4= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The fixed previous shadow stack token should be initialized as UINT64. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3192 Signed-off-by: Sheng Wei Cc: Eric Dong Cc: Ray Ni Cc: Laszlo Ersek Cc: Rahul Kumar Cc: Jiewen Yao --- UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c b/UefiCpuPkg/PiSm= mCpuDxeSmm/X64/SmmFuncsArch.c index 661c1ba294..ca3f5ff91a 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c @@ -202,7 +202,7 @@ InitShadowStack ( // Please refer to UefiCpuPkg/Library/CpuExceptionHandlerLib/X64 for= the full stack frame at runtime. // InterruptSsp =3D (UINT32)((UINTN)ShadowStack + EFI_PAGES_TO_SIZE(1) = - sizeof(UINT64)); - *(UINT32 *)(UINTN)InterruptSsp =3D (InterruptSsp - sizeof(UINT64) * = 4) | 0x2; + *(UINT64 *)(UINTN)InterruptSsp =3D (InterruptSsp - sizeof(UINT64) * = 4) | 0x2; mCetInterruptSsp =3D InterruptSsp - sizeof(UINT64); =20 mCetInterruptSspTable =3D (UINT32)(UINTN)(mSmmInterruptSspTables + s= izeof(UINT64) * 8 * CpuIndex); --=20 2.16.2.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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