diff options
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Hob/Hob.c')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Hob/Hob.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Hob/Hob.c b/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Hob/Hob.c deleted file mode 100644 index e731a7ec0f..0000000000 --- a/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/Hob/Hob.c +++ /dev/null @@ -1,167 +0,0 @@ -/** @file
- This module provide Hand-Off Block manupulation.
-
- Copyright (c) 2006 - 2016, 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 "PeiMain.h"
-
-/**
- Gets the pointer to the HOB List.
-
- @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
- @param HobList Pointer to the HOB List.
-
- @retval EFI_SUCCESS Get the pointer of HOB List
- @retval EFI_NOT_AVAILABLE_YET the HOB List is not yet published
- @retval EFI_INVALID_PARAMETER HobList is NULL (in debug mode)
-
-**/
-EFI_STATUS
-EFIAPI
-PeiGetHobList (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN OUT VOID **HobList
- )
-{
- PEI_CORE_INSTANCE *PrivateData;
-
- //
- // Only check this parameter in debug mode
- //
- DEBUG_CODE_BEGIN ();
- if (HobList == NULL) {
- return EFI_INVALID_PARAMETER;
- }
- DEBUG_CODE_END ();
-
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
-
- *HobList = PrivateData->HobList.Raw;
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Add a new HOB to the HOB List.
-
- @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
- @param Type Type of the new HOB.
- @param Length Length of the new HOB to allocate.
- @param Hob Pointer to the new HOB.
-
- @return EFI_SUCCESS Success to create hob.
- @retval EFI_INVALID_PARAMETER if Hob is NULL
- @retval EFI_NOT_AVAILABLE_YET if HobList is still not available.
- @retval EFI_OUT_OF_RESOURCES if there is no more memory to grow the Hoblist.
-
-**/
-EFI_STATUS
-EFIAPI
-PeiCreateHob (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN UINT16 Type,
- IN UINT16 Length,
- IN OUT VOID **Hob
- )
-{
- EFI_STATUS Status;
- EFI_HOB_HANDOFF_INFO_TABLE *HandOffHob;
- EFI_HOB_GENERIC_HEADER *HobEnd;
- EFI_PHYSICAL_ADDRESS FreeMemory;
-
- Status = PeiGetHobList (PeiServices, Hob);
- if (EFI_ERROR(Status)) {
- return Status;
- }
-
- HandOffHob = *Hob;
-
- //
- // Check Length to avoid data overflow.
- //
- if (0x10000 - Length <= 0x7) {
- return EFI_INVALID_PARAMETER;
- }
- Length = (UINT16) ((Length + 0x7) & (~0x7));
-
- FreeMemory = HandOffHob->EfiFreeMemoryTop -
- HandOffHob->EfiFreeMemoryBottom;
-
- if (FreeMemory < Length) {
- DEBUG ((EFI_D_ERROR, "PeiCreateHob fail: Length - 0x%08x\n", (UINTN)Length));
- DEBUG ((EFI_D_ERROR, " FreeMemoryTop - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryTop));
- DEBUG ((EFI_D_ERROR, " FreeMemoryBottom - 0x%08x\n", (UINTN)HandOffHob->EfiFreeMemoryBottom));
- return EFI_OUT_OF_RESOURCES;
- }
-
- *Hob = (VOID*) (UINTN) HandOffHob->EfiEndOfHobList;
- ((EFI_HOB_GENERIC_HEADER*) *Hob)->HobType = Type;
- ((EFI_HOB_GENERIC_HEADER*) *Hob)->HobLength = Length;
- ((EFI_HOB_GENERIC_HEADER*) *Hob)->Reserved = 0;
-
- HobEnd = (EFI_HOB_GENERIC_HEADER*) ((UINTN) *Hob + Length);
- HandOffHob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
-
- HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
- HobEnd->HobLength = (UINT16) sizeof (EFI_HOB_GENERIC_HEADER);
- HobEnd->Reserved = 0;
- HobEnd++;
- HandOffHob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
-
- return EFI_SUCCESS;
-}
-
-/**
-
- Builds a Handoff Information Table HOB
-
- @param BootMode Current Bootmode
- @param MemoryBegin Start Memory Address.
- @param MemoryLength Length of Memory.
-
- @return EFI_SUCCESS Always success to initialize HOB.
-
-**/
-EFI_STATUS
-PeiCoreBuildHobHandoffInfoTable (
- IN EFI_BOOT_MODE BootMode,
- IN EFI_PHYSICAL_ADDRESS MemoryBegin,
- IN UINT64 MemoryLength
- )
-{
- EFI_HOB_HANDOFF_INFO_TABLE *Hob;
- EFI_HOB_GENERIC_HEADER *HobEnd;
-
- Hob = (VOID *) (UINTN) MemoryBegin;
- HobEnd = (EFI_HOB_GENERIC_HEADER *) (Hob+1);
- Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;
- Hob->Header.HobLength = (UINT16) sizeof (EFI_HOB_HANDOFF_INFO_TABLE);
- Hob->Header.Reserved = 0;
-
- HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
- HobEnd->HobLength = (UINT16) sizeof (EFI_HOB_GENERIC_HEADER);
- HobEnd->Reserved = 0;
-
- Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;
- Hob->BootMode = BootMode;
-
- Hob->EfiMemoryTop = MemoryBegin + MemoryLength;
- Hob->EfiMemoryBottom = MemoryBegin;
- Hob->EfiFreeMemoryTop = MemoryBegin + MemoryLength;
- Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) (HobEnd + 1);
- Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd;
-
- return EFI_SUCCESS;
-}
-
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