MdePkg: Add four PcdGetSize() API in PcdLib

Add below four PcdGetSize() API in PcdLib header file. They can be used
to get the size of PCD value.
FixedPcdGetSize()
PatchPcdGetSize()
PcdGetSize()
PcdGetExSize()

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18268 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index a7e1e626da0ec51b25832d78e3a6130354a313d7..ce759fea2d35a65ad82460a12dcde1fac3ecfb1c 100644 (file)
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -348,7 +348,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
                                               (Size),                                  \\r
                                               (Buffer)                                 \\r
                                               )\r
-\r
 /**\r
   Retrieves an 8-bit PCD token value based on a token name.\r
   \r
@@ -433,6 +432,63 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define PcdGetBool(TokenName)               _PCD_GET_MODE_BOOL_##TokenName\r
 \r
 \r
+/**\r
+  Retrieves the size of a fixed PCD token based on a token name.\r
+\r
+  Returns the size of the token specified by TokenName.\r
+  If TokenName is not a valid token in the token space, then the module will not build.\r
+\r
+  @param[in]  TokenName  The name of the PCD token to retrieve a current value size for.\r
+\r
+  @return     Return the size\r
+\r
+**/\r
+#define FixedPcdGetSize(TokenName)    _PCD_SIZE_##TokenName\r
+\r
+\r
+/**\r
+  Retrieves the size of a binary patchable PCD token based on a token name.\r
+\r
+  Returns the size of the token specified by TokenName.\r
+  If TokenName is not a valid token in the token space, then the module will not build.\r
+\r
+  @param[in]  TokenName  The name of the PCD token to retrieve a current value size for.\r
+\r
+  @return     Return the size\r
+\r
+**/\r
+#define PatchPcdGetSize(TokenName)    _gPcd_BinaryPatch_Size_##TokenName\r
+\r
+\r
+/**\r
+  Retrieves the size of the PCD token based on a token name.\r
+  \r
+  Returns the size of the token specified by TokenName.\r
+  If TokenName is not a valid token in the token space, then the module will not build.\r
+  \r
+  @param[in]   TokenName  The name of the PCD token to retrieve a current value size for.\r
+\r
+  @return      Return the size\r
+\r
+**/\r
+#define PcdGetSize(TokenName)         _PCD_GET_MODE_SIZE_##TokenName\r
+\r
+\r
+/**\r
+  Retrieve the size of a given PCD token.\r
+  \r
+  Returns the size of the token specified by TokenNumber and Guid. \r
+  If Guid is NULL, then ASSERT(). \r
+\r
+  @param[in]  Guid          Pointer to a 128-bit unique value that designates \r
+                            which namespace to retrieve a value from.\r
+  @param[in]  TokenNumber   The PCD token number to retrieve a current value size for.\r
+\r
+  @return     Return the size.\r
+\r
+**/\r
+#define PcdGetExSize(Guid, TokenName) LibPcdGetExSize ((Guid), PcdTokenEx(Guid,TokenName))\r
+\r
 #ifndef DISABLE_NEW_DEPRECATED_INTERFACES\r
 /**\r
   Sets an 8-bit PCD token value based on a token name.\r