From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by ml01.01.org (Postfix) with ESMTP id 175051A1E00 for ; Wed, 3 Aug 2016 18:24:38 -0700 (PDT) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP; 03 Aug 2016 18:24:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,468,1464678000"; d="scan'208";a="743902913" Received: from shwdeopenpsi014.ccr.corp.intel.com ([10.239.9.34]) by FMSMGA003.fm.intel.com with ESMTP; 03 Aug 2016 18:24:36 -0700 From: Hao Wu To: edk2-devel@lists.01.org Cc: Hao Wu , Michael D Kinney , Liming Gao , Jiewen Yao Date: Thu, 4 Aug 2016 09:24:28 +0800 Message-Id: <1470273870-14376-2-git-send-email-hao.a.wu@intel.com> X-Mailer: git-send-email 1.9.5.msysgit.0 In-Reply-To: <1470273870-14376-1-git-send-email-hao.a.wu@intel.com> References: <1470273870-14376-1-git-send-email-hao.a.wu@intel.com> Subject: [PATCH 1/3] MdePkg BaseMemoryLib: Add implementation of API IsZeroGuid() X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Aug 2016 01:24:38 -0000 Cc: Michael D Kinney Cc: Liming Gao Cc: Jiewen Yao Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu --- MdePkg/Include/Library/BaseMemoryLib.h | 20 ++++++++++++++++ MdePkg/Library/BaseMemoryLib/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/PeiMemoryLib/MemLibGuid.c | 31 ++++++++++++++++++++++++- MdePkg/Library/UefiMemoryLib/MemLibGuid.c | 31 ++++++++++++++++++++++++- 9 files changed, 260 insertions(+), 8 deletions(-) diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h index e3a46d0..5a57dee 100644 --- a/MdePkg/Include/Library/BaseMemoryLib.h +++ b/MdePkg/Include/Library/BaseMemoryLib.h @@ -443,4 +443,24 @@ ScanGuid ( IN CONST GUID *Guid ); +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ); + #endif diff --git a/MdePkg/Library/BaseMemoryLib/MemLibGuid.c b/MdePkg/Library/BaseMemoryLib/MemLibGuid.c index dc16bd5..b2590f8 100644 --- a/MdePkg/Library/BaseMemoryLib/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLib/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c index c04af6e..cbb385f 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c index c04af6e..cbb385f 100644 --- a/MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c index 6f6edd0..cbb385f 100644 --- a/MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c index 6f6edd0..cbb385f 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c index c04af6e..cbb385f 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c +++ b/MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/PeiMemoryLib/MemLibGuid.c b/MdePkg/Library/PeiMemoryLib/MemLibGuid.c index c04af6e..cbb385f 100644 --- a/MdePkg/Library/PeiMemoryLib/MemLibGuid.c +++ b/MdePkg/Library/PeiMemoryLib/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/UefiMemoryLib/MemLibGuid.c b/MdePkg/Library/UefiMemoryLib/MemLibGuid.c index 6f6edd0..cbb385f 100644 --- a/MdePkg/Library/UefiMemoryLib/MemLibGuid.c +++ b/MdePkg/Library/UefiMemoryLib/MemLibGuid.c @@ -12,7 +12,7 @@ PeiMemoryLib UefiMemoryLib - Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -140,3 +140,32 @@ ScanGuid ( } return NULL; } + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} -- 1.9.5.msysgit.0