diff options
Diffstat (limited to 'EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c')
| -rw-r--r-- | EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c deleted file mode 100644 index 5aaf296389..0000000000 --- a/EmulatorPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c +++ /dev/null @@ -1,162 +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 - 2010, Intel Corporation. All rights reserved.<BR>
- Portiions copyrigth (c) 2011, Apple Inc. All rights reserved.
- 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>
-
-#include <Ppi/MemoryDiscovered.h>
-
-
-CONST EFI_PEI_SERVICES **gPeiServices = NULL;
-
-/**
- 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);
- 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);
- ASSERT (*gPeiServices != NULL);
- return gPeiServices;
-}
-
-
-
-/**
- Notification service to be called when gEmuThunkPpiGuid is installed.
-
- @param PeiServices Indirect reference to the PEI Services Table.
- @param NotifyDescriptor Address of the notification descriptor data structure. Type
- EFI_PEI_NOTIFY_DESCRIPTOR is defined above.
- @param Ppi Address of the PPI that was installed.
-
- @retval EFI_STATUS This function will install a PPI to PPI database. The status
- code will be the code for (*PeiServices)->InstallPpi.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiServicesTablePointerNotifyCallback (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
- IN VOID *Ppi
- )
-{
- gPeiServices = (CONST EFI_PEI_SERVICES **)PeiServices;
-
- return EFI_SUCCESS;
-}
-
-
-EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnThunkList = {
- (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPeiMemoryDiscoveredPpiGuid,
- PeiServicesTablePointerNotifyCallback
-};
-
-
-/**
- Constructor register notification on when PPI updates. If PPI is
- alreay installed registering the notify will cause the handle to
- run.
-
- @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
- )
-{
- EFI_STATUS Status;
-
- gPeiServices = (CONST EFI_PEI_SERVICES **)PeiServices;
-
- // register to be told when PeiServices pointer is updated
- Status = (*PeiServices)->NotifyPpi (PeiServices, &mNotifyOnThunkList);
- ASSERT_EFI_ERROR (Status);
- return Status;
-}
-
-/**
- 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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