diff options
Diffstat (limited to 'MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c')
-rw-r--r-- | MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c deleted file mode 100644 index 016dacf34682..000000000000 --- a/MdePkg/Library/PeiServicesTablePointerLibKr7/PeiServicesTablePointer.c +++ /dev/null @@ -1,91 +0,0 @@ -/** @file - PEI Services Table Pointer Library implementation for IPF that uses Kernel - Register 7 to store the pointer. - - Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> - 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. - -**/ - -#include <PiPei.h> -#include <Library/BaseLib.h> -#include <Library/DebugLib.h> - -/** - Retrieves the cached value of the PEI Services Table pointer. - - 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(). - - @return The pointer to PeiServices. - -**/ -CONST EFI_PEI_SERVICES ** -EFIAPI -GetPeiServicesTablePointer ( - VOID - ) -{ - CONST EFI_PEI_SERVICES **PeiServices; - - PeiServices = (CONST EFI_PEI_SERVICES **)(UINTN)AsmReadKr7 (); - ASSERT (PeiServices != NULL); - return PeiServices; -} - - -/** - 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. - The function set the pointer of PEI services in KR7 register - according to PI specification. - - If PeiServicesTablePointer is NULL, then ASSERT(). - - @param PeiServicesTablePointer The address of PeiServices pointer. -**/ -VOID -EFIAPI -SetPeiServicesTablePointer ( - IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer - ) -{ - ASSERT (PeiServicesTablePointer != NULL); - AsmWriteKr7 ((UINT64)(UINTN)PeiServicesTablePointer); -} - -/** - Perform CPU specific actions required to migrate the PEI Services Table - pointer from temporary RAM to permanent RAM. - - For IA32 CPUs, the PEI Services Table pointer is stored in the 4 bytes - immediately preceding the Interrupt Descriptor Table (IDT) in memory. - For X64 CPUs, the PEI Services Table pointer is stored in the 8 bytes - immediately preceding the Interrupt Descriptor Table (IDT) in memory. - For Itanium and ARM CPUs, a the PEI Services Table Pointer is stored in - a dedicated CPU register. This means that there is no memory storage - associated with storing the PEI Services Table pointer, so no additional - migration actions are required for Itanium or ARM CPUs. - -**/ -VOID -EFIAPI -MigratePeiServicesTablePointer ( - VOID - ) -{ - return; -} - |