diff options
Diffstat (limited to 'MdePkg/Library/PeiServicesTablePointerLib')
-rw-r--r-- | MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c index c45a55829d..2198fd0d14 100644 --- a/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c +++ b/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c @@ -22,8 +22,13 @@ CONST EFI_PEI_SERVICES **gPeiServices;
/**
- The function set the pointer of PEI services immediately preceding the IDT table
- according to PI specification.
+ Caches a pointer PEI Services Table.
+
+ Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer
+ in a CPU specific manner as specified in the CPU binding section of the Platform Initialization
+ Pre-EFI Initialization Core Interface Specification.
+
+ If PeiServicesTablePointer is NULL, then ASSERT().
@param PeiServicesTablePointer The address of PeiServices pointer.
**/
@@ -33,16 +38,20 @@ SetPeiServicesTablePointer ( IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
)
{
+ ASSERT (PeiServicesTablePointer != NULL);
gPeiServices = PeiServicesTablePointer;
}
/**
- The function returns the pointer to PEI services.
+ Retrieves the cached value of the PEI Services Table pointer.
- The function returns the pointer to PEI services.
- It will ASSERT() if the pointer to PEI services is NULL.
+ Returns the cached value of the PEI Services Table pointer in a CPU specific manner
+ as specified in the CPU binding section of the Platform Initialization Pre-EFI
+ Initialization Core Interface Specification.
+
+ If the cached PEI Services Table pointer is NULL, then ASSERT().
- @retval The pointer to PeiServices.
+ @return The pointer to PeiServices.
**/
CONST EFI_PEI_SERVICES **
|