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MdePkg BaseMemoryLib: Add implementation of API IsZeroGuid() 

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>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Hao Wu 2016-08-03 15:29:50 +08:00
parent 669a7562cb
commit 313831d933
9 changed files with 261 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
MdePkg/Include/Library/BaseMemoryLib.h
View File

@ -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

31
MdePkg/Library/BaseMemoryLib/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/PeiMemoryLib/MemLibGuid.c
View File

@ -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);
}

31
MdePkg/Library/UefiMemoryLib/MemLibGuid.c
View File

@ -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);
}