From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=fail (domain: intel.com, ip: , mailfrom: eric.dong@intel.com) Received: from mga14.intel.com (mga14.intel.com []) by groups.io with SMTP; Wed, 07 Aug 2019 23:25:13 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Aug 2019 23:25:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,360,1559545200"; d="scan'208";a="198923357" Received: from ydong10-win10.ccr.corp.intel.com ([10.239.158.133]) by fmsmga004.fm.intel.com with ESMTP; 07 Aug 2019 23:25:12 -0700 From: "Dong, Eric" To: devel@edk2.groups.io Cc: "Ni, Ray" , Laszlo Ersek , Hao A Wu Subject: [Patch v6 5/9] MdeModulePkg/DxeIpl: Introduce PCD PcdUse5LevelPageTable Date: Thu, 8 Aug 2019 14:24:56 +0800 Message-Id: <20190808062500.26996-6-eric.dong@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190808062500.26996-1-eric.dong@intel.com> References: <20190808062500.26996-1-eric.dong@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Ni, Ray" REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2008 The PCD indicates if 5-Level Paging will be enabled in long mode. 5-Level Paging will not be enabled when the PCD is TRUE but CPU doesn't support 5-Level Paging. Signed-off-by: Ray Ni Reviewed-by: Eric Dong Regression-tested-by: Laszlo Ersek Reviewed-by: Hao A Wu --- MdeModulePkg/MdeModulePkg.dec | 7 +++++++ MdeModulePkg/MdeModulePkg.uni | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index c4139753d3..35935d7aa6 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -1981,6 +1981,13 @@ # @Prompt The address mask when memory encryption is enabled. gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0|UINT64|0x30001047 + ## Indicates if 5-Level Paging will be enabled in long mode. 5-Level Paging will not be enabled + # when the PCD is TRUE but CPU doesn't support 5-Level Paging. + # TRUE - 5-Level Paging will be enabled.
+ # FALSE - 5-Level Paging will not be enabled.
+ # @Prompt Enable 5-Level Paging support in long mode. + gEfiMdeModulePkgTokenSpaceGuid.PcdUse5LevelPageTable|FALSE|BOOLEAN|0x0001105F + ## Capsule In Ram is to use memory to deliver the capsules that will be processed after system # reset.

# This PCD indicates if the Capsule In Ram is supported.
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni index 2bd1ad29f2..29d0a70ce0 100644 --- a/MdeModulePkg/MdeModulePkg.uni +++ b/MdeModulePkg/MdeModulePkg.uni @@ -1298,3 +1298,10 @@ "It is used to set VPD region base address. So, it can't be DynamicExVpd PCD. Its value is" "required to be accessed in PcdDxe driver entry point. So, its value must be set in PEI phase." "It can't depend on EFI variable service, and can't be DynamicExHii PCD." + +#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdUse5LevelPageTable_PROMPT #language en-US "Enable 5-Level Paging support in long mode" + +#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdUse5LevelPageTable_HELP #language en-US "Indicates if 5-Level Paging will be enabled in long mode. 5-Level Paging will not be enabled" + "when the PCD is TRUE but CPU doesn't support 5-Level Paging." + " TRUE - 5-Level Paging will be enabled." + " FALSE - 5-Level Paging will not be enabled." -- 2.21.0.windows.1