From mboxrd@z Thu Jan 1 00:00:00 1970 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 Authentication-Results: mx.groups.io; dkim=missing; spf=fail (domain: intel.com, ip: , mailfrom: michael.d.kinney@intel.com) IronPort-SDR: 5HUBRXomhTcdIIOTMQSFxoratbo8p3sBeXJXs45ecEPSAzPObJapfkGo15rVt0QqV6WWReW8oO nBomVw6177Zg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False 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" 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: [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> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20200615001918.22164-1-michael.d.kinney@intel.com> References: <20200615001918.22164-1-michael.d.kinney@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit https://bugzilla.tianocore.org/show_bug.cgi?id=2798 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 --- .../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/Library/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 interrupts + 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/Library/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 = 0x00010005 + BASE_NAME = BaseCpuLibNull + MODULE_UNI_FILE = BaseCpuLibNull.uni + FILE_GUID = 8A29AAA5-0FB7-44CC-8709-1344FE89B878 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = CpuLib + +# +# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARCH64 RISCV64 +# + +[Sources] + BaseCpuLibNull.c + +[Packages] + MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.uni b/MdePkg/Library/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.inf -- 2.21.0.windows.1