mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/** @file
|
|
Entry point library instance to a UEFI application.
|
|
|
|
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Uefi.h>
|
|
#include <Library/UefiApplicationEntryPoint.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
|
|
|
|
/**
|
|
Entry point to UEFI Application.
|
|
|
|
This function is the entry point for a UEFI Application. This function must call
|
|
ProcessLibraryConstructorList(), ProcessModuleEntryPointList(), and ProcessLibraryDestructorList().
|
|
The return value from ProcessModuleEntryPointList() is returned.
|
|
If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less than _gUefiDriverRevison,
|
|
then return EFI_INCOMPATIBLE_VERSION.
|
|
|
|
@param ImageHandle The image handle of the UEFI Application.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The UEFI Application exited normally.
|
|
@retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision.
|
|
@retval Other Return value from ProcessModuleEntryPointList().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
_ModuleEntryPoint (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
if (_gUefiDriverRevision != 0) {
|
|
//
|
|
// Make sure that the EFI/UEFI spec revision of the platform is >= EFI/UEFI spec revision of the application.
|
|
//
|
|
if (SystemTable->Hdr.Revision < _gUefiDriverRevision) {
|
|
return EFI_INCOMPATIBLE_VERSION;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Call constructor for all libraries.
|
|
//
|
|
ProcessLibraryConstructorList (ImageHandle, SystemTable);
|
|
|
|
//
|
|
// Call the module's entry point
|
|
//
|
|
Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
|
|
|
|
//
|
|
// Process destructor for all libraries.
|
|
//
|
|
ProcessLibraryDestructorList (ImageHandle, SystemTable);
|
|
|
|
//
|
|
// Return the return status code from the driver entry point
|
|
//
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Invokes the library destructors for all dependent libraries and terminates
|
|
the UEFI Application.
|
|
|
|
This function calls ProcessLibraryDestructorList() and the EFI Boot Service Exit()
|
|
with a status specified by Status.
|
|
|
|
@param Status Status returned by the application that is exiting.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
Exit (
|
|
IN EFI_STATUS Status
|
|
)
|
|
|
|
{
|
|
ProcessLibraryDestructorList (gImageHandle, gST);
|
|
|
|
gBS->Exit (gImageHandle, Status, 0, NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
Required by the EBC compiler and identical in functionality to _ModuleEntryPoint().
|
|
|
|
@param ImageHandle The image handle of the UEFI Application.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The UEFI Application exited normally.
|
|
@retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision.
|
|
@retval Other Return value from ProcessModuleEntryPointList().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiMain (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
return _ModuleEntryPoint (ImageHandle, SystemTable);
|
|
}
|