From: Hao Wu <hao.a.wu@intel.com>
To: edk2-devel@lists.01.org, liming.gao@intel.com
Cc: Hao Wu <hao.a.wu@intel.com>,
Michael D Kinney <michael.d.kinney@intel.com>,
Jiewen Yao <jiewen.yao@intel.com>
Subject: [PATCH v2 1/6] MdePkg BaseMemoryLib: Add implementation of API IsZeroGuid()
Date: Thu, 18 Aug 2016 12:53:55 +0800 [thread overview]
Message-ID: <1471496040-11796-2-git-send-email-hao.a.wu@intel.com> (raw)
In-Reply-To: <1471496040-11796-1-git-send-email-hao.a.wu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
---
MdePkg/Include/Library/BaseMemoryLib.h | 22 +++++++++++++++++-
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, 261 insertions(+), 9 deletions(-)
diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h
index e3a46d0..ed7fa00 100644
--- a/MdePkg/Include/Library/BaseMemoryLib.h
+++ b/MdePkg/Include/Library/BaseMemoryLib.h
@@ -5,7 +5,7 @@
These functions should be used in place of coding your own loops to do equivalent common functions.
This allows optimized library implementations to help increase performance.
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
@@ -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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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
next prev parent reply other threads:[~2016-08-18 4:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-18 4:53 [PATCH v2 0/6] Add APIs IsZeroBuffer and IsZeroGuid in BaseMemoryLib Hao Wu
2016-08-18 4:53 ` Hao Wu [this message]
2016-08-18 4:53 ` [PATCH v2 2/6] SecurityPkg Tcg2: Rename internal API IsZeroBuffer to InternalIsZeroBuffer Hao Wu
2016-08-18 4:53 ` [PATCH v2 3/6] MdePkg BaseMemoryLib: Add C implementation of API IsZeroBuffer() Hao Wu
2016-08-18 4:53 ` [PATCH v2 4/6] MdePkg BaseMemoryLib: Add assembly " Hao Wu
2016-08-18 4:53 ` [PATCH v2 5/6] MdePkg BaseMemoryLibSse2: Add SSE2 " Hao Wu
2016-08-18 4:54 ` [PATCH v2 6/6] SecurityPkg Tcg2: Remove use of module internal API InternalIsZeroBuffer() Hao Wu
2016-08-18 5:05 ` Zhang, Chao B
2016-08-22 6:12 ` [PATCH v2 0/6] Add APIs IsZeroBuffer and IsZeroGuid in BaseMemoryLib Gao, Liming
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