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From: "Sean" <spbrogan@outlook.com>
To: devel@edk2.groups.io, michael.d.kinney@intel.com
Cc: Liming Gao <liming.gao@intel.com>,
	Sean Brogan <sean.brogan@microsoft.com>,
	Bret Barkelew <Bret.Barkelew@microsoft.com>,
	Jiewen Yao <jiewen.yao@intel.com>
Subject: Re: [edk2-devel] [Patch v2 02/16] MdePkg/BaseCpuLibNull: Add Null version of CpuLib for host testing
Date: Thu, 9 Jul 2020 16:51:39 -0700	[thread overview]
Message-ID: <BN8PR07MB696200E415965409E7CD06B5C8640@BN8PR07MB6962.namprd07.prod.outlook.com> (raw)
In-Reply-To: <20200709040521.3748-3-michael.d.kinney@intel.com>

Reviewed-by: Sean Brogan <sean.brogan@microsoft.com>

On 7/8/2020 9:05 PM, Michael D Kinney wrote:
> REF: 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 <liming.gao@intel.com>
> Cc: Sean Brogan <sean.brogan@microsoft.com>
> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>   .../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.<BR>
> +  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.<BR>
> +#  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.<BR>
> +// 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.<BR>
> +# Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.<BR>
>   # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
>   # (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
>   #
> @@ -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
> 

  reply	other threads:[~2020-07-09 23:51 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09  4:05 [Patch v2 00/16] UnitTestFrameworkPkg: Enhancements and bug fixes Michael D Kinney
2020-07-09  4:05 ` [Patch v2 01/16] BaseTools/Python: Allow HOST_APPLICATION to use NULL libraries Michael D Kinney
2020-07-09 11:44   ` Bob Feng
2020-07-09 23:50   ` [edk2-devel] " Sean
2020-07-09  4:05 ` [Patch v2 02/16] MdePkg/BaseCpuLibNull: Add Null version of CpuLib for host testing Michael D Kinney
2020-07-09 23:51   ` Sean [this message]
2020-07-09  4:05 ` [Patch v2 03/16] MdePkg/BaseCacheMaintenanceLibNull: Add Null instance " Michael D Kinney
2020-07-09  4:05 ` [Patch v2 04/16] MdePkg/BaseLib: Break out IA32/X64 GCC inline privileged functions Michael D Kinney
2020-07-09  4:05 ` [Patch v2 05/16] MdePkg/Library/BaseLib: Add BaseLib instance for host based unit tests Michael D Kinney
2020-07-09 14:13   ` Liming Gao
2020-07-09 17:05     ` Michael D Kinney
2020-07-10  7:54       ` Liming Gao
2020-07-10 16:38         ` Michael D Kinney
2020-07-09  4:05 ` [Patch v2 06/16] UnitTestFrameworkPkg: Use host libraries from MdePkg Michael D Kinney
2020-07-09  4:05 ` [Patch v2 07/16] UnitTestFrameworkPkg: Enable source level debug for host tests Michael D Kinney
2020-07-09  4:05 ` [Patch v2 08/16] UnitTestFrameworkPkg: Set host application stack size to 256KB Michael D Kinney
2020-07-09  4:05 ` [Patch v2 09/16] UnitTestFrameworkPkg: Change target mode DebugLib mapping Michael D Kinney
2020-07-09  4:05 ` [Patch v2 10/16] UnitTestFrameworkPkg/UnitTestLib: Move print log into cleanup Michael D Kinney
2020-07-09  4:05 ` [Patch v2 11/16] UnitTestFrameworkPkg/UnitTestLib: Fix target mode log messages Michael D Kinney
2020-07-09  4:05 ` [Patch v2 12/16] UnitTestFrameworkPkg/UnitTestLib: Add checks for ASSERT() Michael D Kinney
2020-07-09  4:05 ` [Patch v2 13/16] MdePkg/Include: Hook DebugLib _ASSERT() for unit tests Michael D Kinney
2020-07-09  4:05 ` [Patch v2 14/16] MdePkg/Include: Add UT_EXPECT_ASSERT_FAILURE() to UnitTestLib Michael D Kinney
2020-07-09  4:05 ` [Patch v2 15/16] MdePkg/Library/BaseStackCheckLib: Fix PCD type in INF Michael D Kinney
2020-07-09 12:45   ` Liming Gao
2020-07-09  4:05 ` [Patch v2 16/16] UnitTestFramewokPkg/SampleUnitTest: Use UT_EXPECT_ASSERT_FAILURE() Michael D Kinney

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