diff options
Diffstat (limited to 'IntelFspWrapperPkg/FspNotifyDxe/LoadBelow4G.c')
| -rw-r--r-- | IntelFspWrapperPkg/FspNotifyDxe/LoadBelow4G.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/IntelFspWrapperPkg/FspNotifyDxe/LoadBelow4G.c b/IntelFspWrapperPkg/FspNotifyDxe/LoadBelow4G.c deleted file mode 100644 index 089413cc3e..0000000000 --- a/IntelFspWrapperPkg/FspNotifyDxe/LoadBelow4G.c +++ /dev/null @@ -1,152 +0,0 @@ -/** @file
-
-Copyright (c) 2015 - 2017, 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 <Uefi.h>
-#include <Library/BaseLib.h>
-#include <Library/UefiDriverEntryPoint.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/DebugLib.h>
-#include <Library/PeCoffLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/DxeServicesLib.h>
-#include <Library/CacheMaintenanceLib.h>
-#include <Library/UefiLib.h>
-
-/**
- Relocate this image under 4G memory.
-
- @param ImageHandle Handle of driver image.
- @param SystemTable Pointer to system table.
-
- @retval EFI_SUCCESS Image successfully relocated.
- @retval EFI_ABORTED Failed to relocate image.
-
-**/
-EFI_STATUS
-RelocateImageUnder4GIfNeeded (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- UINT8 *Buffer;
- UINTN BufferSize;
- EFI_HANDLE NewImageHandle;
- UINTN Pages;
- EFI_PHYSICAL_ADDRESS FfsBuffer;
- PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
- VOID *Interface;
-
- //
- // If it is already <4G, no need do relocate
- //
- if ((UINTN)RelocateImageUnder4GIfNeeded < 0xFFFFFFFF) {
- return EFI_SUCCESS;
- }
-
- //
- // If locate gEfiCallerIdGuid success, it means 2nd entry.
- //
- Status = gBS->LocateProtocol (&gEfiCallerIdGuid, NULL, &Interface);
- if (!EFI_ERROR (Status)) {
- DEBUG ((EFI_D_INFO, "FspNotifyDxe - 2nd entry\n"));
- return EFI_SUCCESS;
- }
-
- DEBUG ((EFI_D_INFO, "FspNotifyDxe - 1st entry\n"));
-
- //
- // Here we install a dummy handle
- //
- NewImageHandle = NULL;
- Status = gBS->InstallProtocolInterface (
- &NewImageHandle,
- &gEfiCallerIdGuid,
- EFI_NATIVE_INTERFACE,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Reload image itself to <4G mem
- //
- Status = GetSectionFromAnyFv (
- &gEfiCallerIdGuid,
- EFI_SECTION_PE32,
- 0,
- (VOID **) &Buffer,
- &BufferSize
- );
- ASSERT_EFI_ERROR (Status);
- ImageContext.Handle = Buffer;
- ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
- //
- // Get information about the image being loaded
- //
- Status = PeCoffLoaderGetImageInfo (&ImageContext);
- ASSERT_EFI_ERROR (Status);
- if (ImageContext.SectionAlignment > EFI_PAGE_SIZE) {
- Pages = EFI_SIZE_TO_PAGES ((UINTN) (ImageContext.ImageSize + ImageContext.SectionAlignment));
- } else {
- Pages = EFI_SIZE_TO_PAGES ((UINTN) ImageContext.ImageSize);
- }
- FfsBuffer = 0xFFFFFFFF;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiBootServicesCode,
- Pages,
- &FfsBuffer
- );
- ASSERT_EFI_ERROR (Status);
- ImageContext.ImageAddress = (PHYSICAL_ADDRESS)(UINTN)FfsBuffer;
- //
- // Align buffer on section boundary
- //
- ImageContext.ImageAddress += ImageContext.SectionAlignment - 1;
- ImageContext.ImageAddress &= ~((EFI_PHYSICAL_ADDRESS)ImageContext.SectionAlignment - 1);
- //
- // Load the image to our new buffer
- //
- Status = PeCoffLoaderLoadImage (&ImageContext);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Relocate the image in our new buffer
- //
- Status = PeCoffLoaderRelocateImage (&ImageContext);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Free the buffer allocated by ReadSection since the image has been relocated in the new buffer
- //
- gBS->FreePool (Buffer);
-
- //
- // Flush the instruction cache so the image data is written before we execute it
- //
- InvalidateInstructionCacheRange ((VOID *)(UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.ImageSize);
-
- DEBUG ((EFI_D_INFO, "Loading driver at 0x%08x EntryPoint=0x%08x\n", (UINTN)ImageContext.ImageAddress, (UINTN)ImageContext.EntryPoint));
- Status = ((EFI_IMAGE_ENTRY_POINT)(UINTN)(ImageContext.EntryPoint)) (NewImageHandle, gST);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "Error: Image at 0x%08x start failed: %r\n", ImageContext.ImageAddress, Status));
- gBS->FreePages (FfsBuffer, Pages);
- }
-
- //
- // return error to unload >4G copy, if we already relocate itself to <4G.
- //
- return EFI_ALREADY_STARTED;
-}
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