diff options
Diffstat (limited to 'MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c')
-rw-r--r-- | MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c deleted file mode 100644 index efcaac929f..0000000000 --- a/MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c +++ /dev/null @@ -1,116 +0,0 @@ -/** @file
- PEI Services Table Pointer Library.
-
- This library is used for PEIM which does executed from flash device directly but
- executed in memory.
-
- 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/PeiServicesTablePointerLib.h>
-#include <Library/DebugLib.h>
-
-CONST EFI_PEI_SERVICES **gPeiServices;
-
-/**
- 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.
-**/
-VOID
-EFIAPI
-SetPeiServicesTablePointer (
- IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
- )
-{
- ASSERT (PeiServicesTablePointer != NULL);
- gPeiServices = PeiServicesTablePointer;
-}
-
-/**
- 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
- )
-{
- ASSERT (gPeiServices != NULL);
- return gPeiServices;
-}
-
-
-/**
- The constructor function caches the pointer to PEI services.
-
- The constructor function caches the pointer to PEI services.
- It will always return EFI_SUCCESS.
-
- @param FileHandle The handle of FFS header the loaded driver.
- @param PeiServices The pointer to the PEI services.
-
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiServicesTablePointerLibConstructor (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- gPeiServices = PeiServices;
- return EFI_SUCCESS;
-}
-
-/**
- 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
- )
-{
- //
- // PEI Services Table pointer is cached in the global variable. No additional
- // migration actions are required.
- //
- return;
-}
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