From nobody Mon Feb 9 02:51:05 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+44468+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+44468+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1564198171; cv=none; d=zoho.com; s=zohoarc; b=UVAmsHzpiIxg2nCoQhVqTlPiAqn1eqxs+WpeFt3BRaRYGtqLzi26zkRwyA86QnPm9UYxAiLOLuMjP9XNsaN/LTUbrhaotMQJVSQB+f8FxAudvm9/DONXiFlbTV87xDTDMjuFJlR+9UR8ovn288EG1gbmK9b/O4wxMx6orvA9MXg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564198171; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To:ARC-Authentication-Results; bh=gmrU3Fqo0zmmGT2yHsPxaLMgjTxd0A8Ujr9MABNRLO0=; b=Qaya9tCa1UdO2RgyNVEs8zPkY3KZKHXe76NDEC4C2dgRQtu6URDOQtQCPDc/tpolfKdJ331AbzgvrbpscUYZxafOPPtVEr/v3b+BSFlkIupHR7V55WO7EyaLHKn7e3eVJ1/3RPL7YnQ6pEMRkHR3NjsukeECjK377rCKamBZ/X8= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=pass; spf=pass (zoho.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+44468+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from web01.groups.io (web01.groups.io [66.175.222.12]) by mx.zohomail.com with SMTPS id 15641981711591000.4915610817076; Fri, 26 Jul 2019 20:29:31 -0700 (PDT) Return-Path: X-Received: from mga09.intel.com (mga09.intel.com []) by groups.io with SMTP; Fri, 26 Jul 2019 20:29:30 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jul 2019 20:29:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,313,1559545200"; d="scan'208";a="194505169" X-Received: from ray-dev.ccr.corp.intel.com ([10.239.9.16]) by fmsmga004.fm.intel.com with ESMTP; 26 Jul 2019 20:29:29 -0700 From: "Ni, Ray" To: devel@edk2.groups.io Cc: Laszlo Ersek Subject: [edk2-devel] [PATCH 1/3] UefiCpuPkg/PiSmmCpu: Add Internal function IsStaticPageTableEnabled Date: Sat, 27 Jul 2019 11:28:48 +0800 Message-Id: <20190727032850.337840-2-ray.ni@intel.com> In-Reply-To: <20190727032850.337840-1-ray.ni@intel.com> References: <20190727032850.337840-1-ray.ni@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: 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,ray.ni@intel.com Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1564198170; bh=yb0c7m4vMLVAe4Uql0Glyp2y2D3x4u4cffYjsuVqh2c=; h=Cc:Date:From:Reply-To:Subject:To; b=WNdzkwNDGhPqaDTWySSKacrsJXp1mPKpR1QvkrGQxp96Z6ok5NI34bZ1c+qhudBoiYH sdfYpgC0fLKCnD41E2aaKi1GKmyboGctmMjj45Xmd9GWMom+yMDoj7XkmjSg3pmw1v+U5 M0ulR5Zk5OX2Hvyq++G/xDIKJ7Hpw7cBImk= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" The internal function reflects the status whether static page table is enabled. Signed-off-by: Ray Ni Cc: Laszlo Ersek Cc: Eric Dong --- UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c | 16 ++++++++++++++++ UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 15 +++++++++++++++ UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 16 ++++++++++++++++ 3 files changed, 47 insertions(+) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c b/UefiCpuPkg/PiSmmCpu= DxeSmm/Ia32/PageTbl.c index 05fb455936..2a9af4b77d 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c @@ -28,6 +28,22 @@ EnableCet ( VOID ); =20 +/** + Return whether Static Page Table is enabled. + + Note: Static Page Table is always disabled for IA32 build. + + @retval TRUE Static Page Table is enabled. + @retval FALSE Static Page Table is disabled. +**/ +BOOLEAN +IsStaticPageTableEnabled ( + VOID + ) +{ + return FALSE; +} + /** Create PageTable for SMM use. =20 diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmC= puDxeSmm/PiSmmCpuDxeSmm.h index 186809f431..14b7676c16 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h @@ -1267,6 +1267,21 @@ EFIAPI PiSmmCpuSmiEntryFixupAddress ( ); =20 + +/** + Return whether Static Page Table is enabled. + + Note: Static Page Table is always disabled for IA32 build. + + @retval TRUE Static Page Table is enabled. + @retval FALSE Static Page Table is disabled. +**/ +BOOLEAN +IsStaticPageTableEnabled ( + VOID + ) +; + /** This function reads CR2 register when on-demand paging is enabled for 64 bit and no action for 32 bit. diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c b/UefiCpuPkg/PiSmmCpuD= xeSmm/X64/PageTbl.c index a3b62f7787..18e3f9e08d 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c @@ -37,6 +37,22 @@ EnableCet ( VOID ); =20 +/** + Return whether Static Page Table is enabled. + + Note: Static Page Table is always disabled for IA32 build. + + @retval TRUE Static Page Table is enabled. + @retval FALSE Static Page Table is disabled. +**/ +BOOLEAN +IsStaticPageTableEnabled ( + VOID + ) +{ + return mCpuSmmStaticPageTable; +} + /** Check if 1-GByte pages is supported by processor or not. =20 --=20 2.21.0.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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