diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-04 12:43:59 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-04 12:43:59 +0000 |
| commit | 1eb73ab57aa6d49cd82eb2b3305ec39bba591d1f (patch) | |
| tree | 19c89a20bac24b562c2b8b139d8889694647a1fa /MdePkg/Library/DxePcdLib | |
| parent | 0d2001d31d1adf5d6abbff41c3eda82a2bd208cc (diff) | |
| download | edk2-platforms-1eb73ab57aa6d49cd82eb2b3305ec39bba591d1f.tar.xz | |
Added LibPatchPcdSetPtr.
Cleaup Pcd Database code generation routine.
Fixed a few bugs.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@745 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/DxePcdLib')
| -rw-r--r-- | MdePkg/Library/DxePcdLib/DxePcdLib.c | 49 | ||||
| -rw-r--r-- | MdePkg/Library/DxePcdLib/DxePcdLib.msa | 15 |
2 files changed, 58 insertions, 6 deletions
diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.c b/MdePkg/Library/DxePcdLib/DxePcdLib.c index b746614d5b..f0b0cbd8f6 100644 --- a/MdePkg/Library/DxePcdLib/DxePcdLib.c +++ b/MdePkg/Library/DxePcdLib/DxePcdLib.c @@ -923,3 +923,52 @@ LibPcdGetNextTokenSpace ( return (GUID *) Guid;
}
+
+/**
+ Sets the PCD entry specified by PatchVariable to the value specified by Buffer
+ and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
+ MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return
+ NULL to indicate that the set operation was not actually performed.
+ If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to
+ MaximumDatumSize and NULL must be returned.
+
+ If PatchVariable is NULL, then ASSERT().
+ If SizeOfValue is NULL, then ASSERT().
+ If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
+
+ @param[in] PatchVariable A pointer to the global variable in a module that is
+ the target of the set operation.
+ @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.
+ @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.
+ @param[in] Buffer A pointer to the buffer to used to set the target variable.
+
+**/
+VOID *
+EFIAPI
+LibPatchPcdSetPtr (
+ IN VOID *PatchVariable,
+ IN UINTN MaximumDatumSize,
+ IN OUT UINTN *SizeOfBuffer,
+ IN CONST VOID *Buffer
+ )
+{
+ ASSERT (PatchVariable != NULL);
+ ASSERT (SizeOfBuffer != NULL);
+
+ if (*SizeOfBuffer > 0) {
+ ASSERT (Buffer != NULL);
+ }
+
+ if ((*SizeOfBuffer > MaximumDatumSize) ||
+ (*SizeOfBuffer == MAX_ADDRESS)) {
+ *SizeOfBuffer = MaximumDatumSize;
+ return NULL;
+ }
+
+ CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
+
+ return (VOID *) Buffer;
+}
+
+
+
diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.msa b/MdePkg/Library/DxePcdLib/DxePcdLib.msa index c250fbeb3a..c50ac45220 100644 --- a/MdePkg/Library/DxePcdLib/DxePcdLib.msa +++ b/MdePkg/Library/DxePcdLib/DxePcdLib.msa @@ -8,11 +8,11 @@ <Abstract>IO Library implemented with Framework CPU IO Protocol</Abstract>
<Description>FIX ME!</Description>
<Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
- <License>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 - http://opensource.org/licenses/bsd-license.php - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + <License>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
+ http://opensource.org/licenses/bsd-license.php
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
@@ -31,6 +31,9 @@ <LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">
+ <Keyword>BaseMemoryLib</Keyword>
+ </LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>DxePcdLib.c</Filename>
@@ -50,4 +53,4 @@ <Constructor>PcdLibConstructor</Constructor>
</Extern>
</Externs>
-</ModuleSurfaceArea>
\ No newline at end of file +</ModuleSurfaceArea>
|