/** @file\r
Provides library services to get and set Platform Configuration Database entries.\r
\r
- PCD Library Class provides PCD usage macro interface for all PCD types.\r
- It should be included at any module who use PCD. If module use dynamic/dynamicex\r
- PCD, module should be linked to PEIM/DXE library instance to access that PCD.\r
- If module uses PatchableInModule type PCD, also need library instance produce\r
- LibPatchPcdSetPtr() interface. For FeatureFlag/Fixed PCD, macro interface is\r
- translated to an variable or macro which is auto-generated by build tool in\r
+ PCD Library Class provides a PCD usage macro interface for all PCD types.\r
+ It should be included in any module that uses PCD. If a module uses dynamic/dynamicex\r
+ PCD, module should be linked to a PEIM/DXE library instance to access that PCD.\r
+ If a module uses PatchableInModule type PCD, it also needs the library instance to produce\r
+ LibPatchPcdSetPtr() interface. For FeatureFlag/Fixed PCD, the macro interface is\r
+ translated to n variable or macro that is auto-generated by build tool in\r
module's autogen.h/autogen.c.\r
The PcdGetXX(), PcdSetXX(), PcdToken(), and PcdGetNextTokenSpace() operations are \r
only available prior to ExitBootServices(). If access to PCD values are required \r
This function provides a means by which SKU support can be established in the PCD infrastructure.\r
\r
Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.\r
+ If SkuId >= PCD_MAX_SKU_ID, then ASSERT(). \r
\r
- @param[in] SkuId The SKU value that will be used when the PCD service will retrieve and \r
- set values associated with a PCD token.\r
- \r
- If SkuId >= 0x100, then ASSERT(). \r
+ @param SkuId The SKU value that will be used when the PCD service retrieves and sets values\r
+ associated with a PCD token.\r
\r
- @return Return the SKU ID that just be set.\r
+ @return Return the SKU ID that was set.\r
\r
**/\r
UINTN\r
\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 for.\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 for.\r
\r
@return Return the UINT8.\r
\r
\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 for.\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 for.\r
\r
@return Return the UINT16.\r
\r
Returns the 32-bit value for 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 for.\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 for.\r
\r
@return Return the UINT32.\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 8-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT8\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 16-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT16\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 32-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT32\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 64-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT64\r
@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r
@param[in] Buffer A pointer to the buffer to set.\r
\r
- @return Return the pointer for the buffer been set.\r
+ @return Return the pointer for the buffer that was set.\r
\r
**/\r
VOID *\r
LibPcdSetPtr (\r
IN UINTN TokenNumber,\r
IN OUT UINTN *SizeOfBuffer,\r
- IN VOID *Buffer\r
+ IN CONST VOID *Buffer\r
);\r
\r
\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The boolean value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
BOOLEAN\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 8-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT8\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 16-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT16\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 32-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT32\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The 64-bit value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
UINT64\r
@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.\r
@param[in] Buffer A pointer to the buffer to set.\r
\r
- @return Return the pinter to the buffer been set.\r
+ @return Return the pointer to the buffer that was set.\r
\r
**/\r
VOID *\r
@param[in] TokenNumber The PCD token number to set a current value for.\r
@param[in] Value The Boolean value to set.\r
\r
- @return Return the value been set.\r
+ @return Return the value that was set.\r
\r
**/\r
BOOLEAN\r
\r
\r
/**\r
- When the token specified by TokenNumber and Guid is set, \r
- then notification function specified by NotificationFunction is called. \r
- If Guid is NULL, then the default token space is used. \r
- If NotificationFunction is NULL, then ASSERT().\r
-\r
- This notification function serves two purposes. Firstly, it notifies the module which \r
- did the registration that the value of this PCD token has been set. Secondly, \r
- it provides a mechanism for the module which did the registration to intercept \r
- the set operation and override the value been set if necessary. After the invocation \r
- of the callback function, TokenData will be used by PCD service PEIM or driver to \r
- modify the internal data in PCD database. \r
+ This notification function serves two purposes.\r
\r
+ Firstly, it notifies the module that did the registration that the value of this\r
+ PCD token has been set.\r
+ Secondly, it provides a mechanism for the module that did the registration to intercept\r
+ the set operation and override the value been set if necessary. After the invocation of\r
+ the callback function, TokenData will be used by PCD service PEIM or driver to modify th\r
+ internal data in PCD database. \r
\r
@param[in] CallBackGuid The PCD token GUID being set.\r
@param[in] CallBackToken The PCD token number being set.\r
\r
When the token specified by TokenNumber and Guid is set, \r
then notification function specified by NotificationFunction is called. \r
- If Guid is NULL, then the default token space is used. \r
- \r
+ If Guid is NULL, then the default token space is used.\r
If NotificationFunction is NULL, then ASSERT().\r
\r
- @param[in] Guid Pointer to a 128-bit unique value that designates which \r
- namespace to set a value from. If NULL, then the default \r
- token space is used.\r
- @param[in] TokenNumber The PCD token number to monitor.\r
+ @param[in] Guid Pointer to a 128-bit unique value that designates which \r
+ namespace to set a value from. If NULL, then the default \r
+ token space is used.\r
+ @param[in] TokenNumber The PCD token number to monitor.\r
@param[in] NotificationFunction The function to call when the token \r
specified by Guid and TokenNumber is set.\r
\r
/**\r
Disable a notification function that was established with LibPcdCallbackonSet().\r
\r
- Disable a notification function that was previously established with LibPcdCallbackOnSet(). \r
- \r
+ Disable a notification function that was previously established with LibPcdCallbackOnSet().\r
If NotificationFunction is NULL, then ASSERT().\r
If LibPcdCallbackOnSet() was not previously called with Guid, TokenNumber, \r
and NotificationFunction, then ASSERT().\r
\r
- @param[in] Guid Specify the GUID token space.\r
- @param[in] TokenNumber Specify the token number.\r
+ @param[in] Guid Specify the GUID token space.\r
+ @param[in] TokenNumber Specify the token number.\r
@param[in] NotificationFunction The callback function to be unregistered.\r
\r
**/\r
/**\r
Used to retrieve the list of available PCD token space GUIDs.\r
\r
- Retrieves the next PCD token space from a token space specified by Guid.\r
- Guid of NULL is reserved to mark the default local token namespace on the current\r
- platform. If Guid is NULL, then the GUID of the first non-local token space of the \r
- current platform is returned. If Guid is the last non-local token space, \r
- then NULL is returned. \r
-\r
- If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().\r
-\r
-\r
+ Returns the PCD token space GUID that follows TokenSpaceGuid in the list of token spaces\r
+ in the platform.\r
+ If TokenSpaceGuid is NULL, then a pointer to the first PCD token spaces returned.\r
+ If TokenSpaceGuid is the last PCD token space GUID in the list, then NULL is returned.\r
\r
- @param[in] Guid Pointer to a 128-bit unique value that designates from which namespace \r
- to start the search.\r
+ @param TokenSpaceGuid Pointer to the a PCD token space GUID\r
\r
@return The next valid token namespace.\r
\r
**/\r
-GUID * \r
+GUID *\r
EFIAPI\r
LibPcdGetNextTokenSpace (\r
IN CONST GUID *TokenSpaceGuid\r
@param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.\r
@param[in] Buffer A pointer to the buffer to used to set the target variable.\r
\r
- @return Return the pointer to the buffer been set.\r
+ @return Return the pointer to the buffer that was set.\r
\r
**/\r
VOID *\r
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