According to PI specification, the peiservice pointer is stored prior at IDT\r
table in IA32 and x64 architecture.\r
\r
- Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
- All rights reserved. This program and the accompanying materials \r
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
http://opensource.org/licenses/bsd-license.php \r
#include <Library/DebugLib.h>\r
\r
/**\r
- The function returns the pointer to PEI services.\r
+ Retrieves the cached value of the PEI Services Table pointer.\r
\r
- The function returns the pointer to PEI services.\r
- It will ASSERT() if the pointer to PEI services is NULL.\r
+ Returns the cached value of the PEI Services Table pointer in a CPU specific manner \r
+ as specified in the CPU binding section of the Platform Initialization Pre-EFI \r
+ Initialization Core Interface Specification.\r
+ \r
+ If the cached PEI Services Table pointer is NULL, then ASSERT().\r
\r
- @retval The pointer to PeiServices.\r
+ @return The pointer to PeiServices.\r
\r
**/\r
CONST EFI_PEI_SERVICES **\r
}\r
\r
/**\r
+ Caches a pointer PEI Services Table. \r
+ \r
+ Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer \r
+ in a CPU specific manner as specified in the CPU binding section of the Platform Initialization \r
+ Pre-EFI Initialization Core Interface Specification. \r
The function set the pointer of PEI services immediately preceding the IDT table\r
according to PI specification.\r
\r
+ If PeiServicesTablePointer is NULL, then ASSERT().\r
+ \r
@param PeiServicesTablePointer The address of PeiServices pointer.\r
**/\r
VOID\r
{\r
IA32_DESCRIPTOR Idtr;\r
\r
+ ASSERT (PeiServicesTablePointer != NULL);\r
AsmReadIdtr (&Idtr);\r
(*(UINTN*)(Idtr.Base - sizeof (UINTN))) = (UINTN)PeiServicesTablePointer;\r
}\r