From nobody Mon Feb 9 10:27:45 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+61245+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+61245+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1592180363; cv=none; d=zohomail.com; s=zohoarc; b=aDkUCKKiOXAe8ukWl/4tXgxMWuct05geLh6sd68dUQeCPqlBzQiU4aPg9Yt9bzrxWFrZMqsNxEmeCAs0UWW87hbIYGHTI2eXIedt+ErdmstGbu5HIdA1RYS2qxdAVVtbNzx16DGscfDqFc/WgPgaDBqssL+6QGXdYJDFzCJ3+5E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1592180363; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=N/JsRfcwANnDrnReBrKC8aTsjZibbwCOXGEjhJee62A=; b=JzHn1ntkwT1EplPoxxFb6wr9Oc8E6vKm4/JByMDzB/3+NyFFdoVm4GVwQSIVMpnfcRS+y4u4Cptvg7S0ba/9k2O9e3HaRftvtnHWz55a5k9qRO84ksKh6DPK5f8odlmKspcsK2cdk270mLM65gQ7sFj2G5EsO8/r/EH8JPJ/2Ww= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+61245+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 159218036390718.44764583557935; Sun, 14 Jun 2020 17:19:23 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id krA8YY1788612xmaiZZ6u52B; Sun, 14 Jun 2020 17:19:23 -0700 X-Received: from mga17.intel.com (mga17.intel.com []) by mx.groups.io with SMTP id smtpd.web12.7395.1592180361717892231 for ; Sun, 14 Jun 2020 17:19:22 -0700 IronPort-SDR: 5HUBRXomhTcdIIOTMQSFxoratbo8p3sBeXJXs45ecEPSAzPObJapfkGo15rVt0QqV6WWReW8oO nBomVw6177Zg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2020 17:19:21 -0700 IronPort-SDR: E5ey53bfIRwleCE+BbbwcrktWJp24V0TF+dee5w6zQLt+2yDEkSpnNB47HWXd6jXM6/joCRcIP 9JUpbAyuWi2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,513,1583222400"; d="scan'208";a="276370238" X-Received: from mdkinney-mobl2.amr.corp.intel.com ([10.252.142.246]) by orsmga006.jf.intel.com with ESMTP; 14 Jun 2020 17:19:21 -0700 From: "Michael D Kinney" To: devel@edk2.groups.io Cc: Liming Gao , Sean Brogan , Bret Barkelew , Jiewen Yao Subject: [edk2-devel] [Patch 02/15] MdePkg/BaseCpuLibNull: Add Null version of CpuLib for host testing Date: Sun, 14 Jun 2020 17:19:05 -0700 Message-Id: <20200615001918.22164-3-michael.d.kinney@intel.com> In-Reply-To: <20200615001918.22164-1-michael.d.kinney@intel.com> References: <20200615001918.22164-1-michael.d.kinney@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,michael.d.kinney@intel.com X-Gm-Message-State: uRnJ5ouO4cTQjYGqk30itXnZx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1592180363; bh=oBIdWYuz9ziSwsEe0OrmEOS8crK2qtrQEwGpqY2evhc=; h=Cc:Date:From:Reply-To:Subject:To; b=iTlkWQI0Ilw4QYstiJdNu8E4KV0ESWdV/RPlvIqVu5f52UU22B5RRIpOJiDBfdq/yY2 Rx4AGZps0a7NS4tMTMzF3QOzYxrF6Nzye2ty26mjuMcWXuLdF3U/jy7cdA1chKz7+qcrR 65Tr4N0Ns8N8ySZJlm+bBneiSkGF+7d0XVM= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" https://bugzilla.tianocore.org/show_bug.cgi?id=3D2798 The services in CpuLib usually generate exceptions in a unit test host application. Provide a Null instance that can be safely used. This Null instance can also be used as a template for implementing new instances of CpuLib. Cc: Liming Gao Cc: Sean Brogan Cc: Bret Barkelew Cc: Jiewen Yao Signed-off-by: Michael D Kinney Reviewed-by: Liming Gao --- .../Library/BaseCpuLibNull/BaseCpuLibNull.c | 37 +++++++++++++++++++ .../Library/BaseCpuLibNull/BaseCpuLibNull.inf | 26 +++++++++++++ .../Library/BaseCpuLibNull/BaseCpuLibNull.uni | 11 ++++++ MdePkg/MdePkg.dsc | 3 +- 4 files changed, 76 insertions(+), 1 deletion(-) create mode 100644 MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c create mode 100644 MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.inf create mode 100644 MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.uni diff --git a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c b/MdePkg/Librar= y/BaseCpuLibNull/BaseCpuLibNull.c new file mode 100644 index 0000000000..3ba7a35096 --- /dev/null +++ b/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c @@ -0,0 +1,37 @@ +/** @file + Null instance of CPU Library. + + Copyright (c) 2020, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +/** + Places the CPU in a sleep state until an interrupt is received. + + Places the CPU in a sleep state until an interrupt is received. If inter= rupts + are disabled prior to calling this function, then the CPU will be placed= in a + sleep state indefinitely. + +**/ +VOID +EFIAPI +CpuSleep ( + VOID + ) +{ +} + +/** + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + +**/ +VOID +EFIAPI +CpuFlushTlb ( + VOID + ) +{ +} diff --git a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.inf b/MdePkg/Libr= ary/BaseCpuLibNull/BaseCpuLibNull.inf new file mode 100644 index 0000000000..a9e8399038 --- /dev/null +++ b/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.inf @@ -0,0 +1,26 @@ +## @file +# Null instance of CPU Library. +# +# Copyright (c) 2020, Intel Corporation. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION =3D 0x00010005 + BASE_NAME =3D BaseCpuLibNull + MODULE_UNI_FILE =3D BaseCpuLibNull.uni + FILE_GUID =3D 8A29AAA5-0FB7-44CC-8709-1344FE89B878 + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D CpuLib + +# +# VALID_ARCHITECTURES =3D IA32 X64 EBC ARM AARCH64 RISCV64 +# + +[Sources] + BaseCpuLibNull.c + +[Packages] + MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.uni b/MdePkg/Libr= ary/BaseCpuLibNull/BaseCpuLibNull.uni new file mode 100644 index 0000000000..1030221d5c --- /dev/null +++ b/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.uni @@ -0,0 +1,11 @@ +// /** @file +// Null instance of CPU Library. +// +// Copyright (c) 2020, Intel Corporation. All rights reserved.
+// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + +#string STR_MODULE_ABSTRACT #language en-US "Null Instance of = CPU Library" + +#string STR_MODULE_DESCRIPTION #language en-US "Null instance of = CPU Library." diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc index 6cd38e7ec3..3abe65ec7f 100644 --- a/MdePkg/MdePkg.dsc +++ b/MdePkg/MdePkg.dsc @@ -1,7 +1,7 @@ ## @file # EFI/PI MdePkg Package # -# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
+# Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
# (C) Copyright 2020 Hewlett Packard Enterprise Development LP
# @@ -36,6 +36,7 @@ [Components] MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf MdePkg/Library/BaseCpuLib/BaseCpuLib.inf + MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.inf MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.i= nf --=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. View/Reply Online (#61245): https://edk2.groups.io/g/devel/message/61245 Mute This Topic: https://groups.io/mt/74885909/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-