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audk/EdkCompatibilityPkg/Foundation/Library/Pei/Hob/PeiHobLib.c

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/*++
Copyright (c) 2004 - 2007, 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.
MemoryAllocationModule Name:
Peihoblib.c
Abstract:
PEI Library Functions
--*/
#include "Tiano.h"
#include "PeiHob.h"
#include "PeiHobLib.h"
#include "PeiLib.h"
#include EFI_GUID_DEFINITION(MemoryAllocationHob)
EFI_PEI_HOB_POINTERS
BuildHobEndOfHobList (
IN VOID *HobStart
)
/*++
Routine Description:
Builds an end of HOB list HOB
Arguments:
HobStart - The HOB to build
Returns:
A pointer to the next HOB
--*/
{
EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = HobStart;
Hob.Header->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_GENERIC_HEADER);
Hob.Header++;
return Hob;
}
EFI_STATUS
BuildHobHandoffInfoTable (
IN VOID *HobStart,
IN UINT16 Version,
IN EFI_BOOT_MODE BootMode,
IN EFI_PHYSICAL_ADDRESS EfiMemoryTop,
IN EFI_PHYSICAL_ADDRESS EfiMemoryBottom,
IN EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop,
IN EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom
)
/*++
Routine Description:
Builds a HandoffInformationTable Information Table HOB
Arguments:
HobStart - Start pointer of hob list
Version - The version number pertaining to the PHIT HOB definition.
BootMode - The system boot mode as determined during the HOB producer phase.
EfiMemoryTop - The highest address location of memory that is allocated for use by the HOB
producer phase.
EfiMemoryBottom - The lowest address location of memory that is allocated for use by the HOB
producer phase.
EfiFreeMemoryTop - The highest address location of free memory that is currently available for use
by the HOB producer phase.
EfiFreeMemoryBottom - The lowest address location of free memory that is available for
use by the HOB producer phase.
Returns:
EFI_SUCCESS
--*/
{
EFI_PEI_HOB_POINTERS HandOffHob;
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HobEnd;
HandOffHob.Raw = HobStart;
Hob.Raw = HobStart;
Hob.Header->HobType = EFI_HOB_TYPE_HANDOFF;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_HANDOFF_INFO_TABLE);
Hob.HandoffInformationTable->Version = Version;
Hob.HandoffInformationTable->BootMode = BootMode;
Hob.HandoffInformationTable->EfiMemoryTop = EfiMemoryTop;
Hob.HandoffInformationTable->EfiMemoryBottom = EfiMemoryBottom;
Hob.HandoffInformationTable->EfiFreeMemoryTop = EfiFreeMemoryTop;
Hob.HandoffInformationTable->EfiFreeMemoryBottom = EfiFreeMemoryBottom;
HobEnd.Raw = (VOID*)(Hob.HandoffInformationTable + 1);
Hob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) HobEnd.Raw;
Hob = BuildHobEndOfHobList (HobEnd.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobModule (
IN VOID *HobStart,
IN EFI_GUID *ModuleName,
IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule,
IN UINT64 ModuleLength,
IN EFI_PHYSICAL_ADDRESS EntryPoint
)
/*++
Routine Description:
Builds a HOB for a loaded PE32 module
Arguments:
HobStart - Start pointer of hob list
ModuleName - The GUID File Name of the HON from the Firmware Volume
MemoryAllocationModule - The 64 bit physical address of the module
ModuleLength - The length of the module in bytes
EntryPoint - The 64 bit physical address of the entry point to the module
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID*)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList);
Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_MODULE);
CopyMem(&(Hob.MemoryAllocationModule->ModuleName), ModuleName, sizeof(EFI_GUID));
CopyMem(&(Hob.MemoryAllocationModule->MemoryAllocationHeader.Name), &gEfiHobMemeryAllocModuleGuid, sizeof(EFI_GUID));
Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryBaseAddress = MemoryAllocationModule;
Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryLength = ModuleLength;
Hob.MemoryAllocationModule->MemoryAllocationHeader.MemoryType = EfiConventionalMemory;
Hob.MemoryAllocationModule->EntryPoint = EntryPoint;
Hob.MemoryAllocationModule++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobResourceDescriptor (
IN VOID * HobStart,
IN EFI_RESOURCE_TYPE ResourceType,
IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute,
IN EFI_PHYSICAL_ADDRESS PhysicalStart,
IN UINT64 NumberOfBytes
)
/*++
Routine Description:
Builds a HOB that describes a chunck of system memory
Arguments:
HobStart - Start pointer of hob list
ResourceType - The type of memory described by this HOB
ResourceAttribute - The memory attributes of the memory described by this HOB
PhysicalStart - The 64 bit physical address of memory described by this HOB
NumberOfBytes - The length of the memoty described by this HOB in bytes
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID *)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList);
Hob.Header->HobType = EFI_HOB_TYPE_RESOURCE_DESCRIPTOR;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_RESOURCE_DESCRIPTOR);
Hob.ResourceDescriptor->ResourceType = ResourceType;
Hob.ResourceDescriptor->ResourceAttribute = ResourceAttribute;
Hob.ResourceDescriptor->PhysicalStart = PhysicalStart;
Hob.ResourceDescriptor->ResourceLength = NumberOfBytes;
Hob.ResourceDescriptor++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobGuidType (
IN VOID *HobStart,
IN EFI_GUID *Guid,
IN VOID *Buffer,
IN UINTN BufferSize
)
/*++
Routine Description:
Builds a custom HOB that is tagged with a GUID for identification
Arguments:
HobStart - Start pointer of hob list
Guid - The GUID of the custome HOB type
Buffer - A pointer to the data for the custom HOB type
BufferSize - The size in byte of BufferSize
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
UINTN Length;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID *)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;
Hob.Header->HobType = EFI_HOB_TYPE_GUID_EXTENSION;
Length = sizeof(EFI_HOB_GUID_TYPE) + BufferSize;
Length = (Length + 0x7) & (~0x7);
Hob.Header->HobLength = (UINT16)Length;
CopyMem(&Hob.Guid->Name, Guid, sizeof(EFI_GUID));
CopyMem(Hob.Raw + sizeof(EFI_HOB_GUID_TYPE), Buffer, BufferSize);
Hob.Raw += Length;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobFvDescriptor (
IN VOID *HobStart,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:
Builds a Firmware Volume HOB
Arguments:
HobStart - Start pointer of hob list
BaseAddress - The base address of the Firmware Volume
Length - The size of the Firmware Volume in bytes
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID*)(UINTN)(HandOffHob.HandoffInformationTable->EfiEndOfHobList);
Hob.Header->HobType = EFI_HOB_TYPE_FV;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_FIRMWARE_VOLUME);
Hob.FirmwareVolume->BaseAddress = BaseAddress;
Hob.FirmwareVolume->Length = Length;
Hob.FirmwareVolume++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobCpu (
IN VOID *HobStart,
IN UINT8 SizeOfMemorySpace,
IN UINT8 SizeOfIoSpace
)
/*++
Routine Description:
Builds a HOB for the CPU
Arguments:
HobStart - Start pointer of hob list
SizeOfMemorySpace - Identifies the maximum
physical memory addressibility of the processor.
SizeOfIoSpace - Identifies the maximum physical I/O addressibility
of the processor.
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;
Hob.Header->HobType = EFI_HOB_TYPE_CPU;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_CPU);
Hob.Cpu->SizeOfMemorySpace = SizeOfMemorySpace;
Hob.Cpu->SizeOfIoSpace = SizeOfIoSpace;
Hob.Cpu++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobStack (
IN VOID *HobStart,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
/*++
Routine Description:
Builds a HOB for the Stack
Arguments:
HobStart - Start pointer of hob list
BaseAddress - The 64 bit physical address of the Stack
Length - The length of the stack in bytes
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;
Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_STACK);
CopyMem(&(Hob.MemoryAllocationStack->AllocDescriptor.Name), &gEfiHobMemeryAllocStackGuid, sizeof(EFI_GUID));
(Hob.MemoryAllocationStack->AllocDescriptor).MemoryBaseAddress = BaseAddress;
(Hob.MemoryAllocationStack->AllocDescriptor).MemoryLength = Length;
(Hob.MemoryAllocationStack->AllocDescriptor).MemoryType = EfiBootServicesData;
Hob.MemoryAllocationStack++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildHobBspStore (
IN VOID *HobStart,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN EFI_MEMORY_TYPE MemoryType
)
/*++
Routine Description:
Builds a HOB for the bsp store
Arguments:
HobStart - Start pointer of hob list
BaseAddress - The 64 bit physical address of bsp store
Length - The length of the bsp store in bytes
MemoryType - Memory type of the bsp store
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID *)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;
Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION_BSP_STORE);
(Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryBaseAddress = BaseAddress;
(Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryLength = Length;
(Hob.MemoryAllocationBspStore->AllocDescriptor).MemoryType = MemoryType;
CopyMem(&(Hob.MemoryAllocationBspStore->AllocDescriptor).Name, &gEfiHobMemeryAllocBspStoreGuid, sizeof(EFI_GUID));
Hob.MemoryAllocationBspStore++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
BuildMemoryAllocationHob (
IN VOID *HobStart,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN EFI_GUID *Name,
IN EFI_MEMORY_TYPE MemoryType
)
/*++
Routine Description:
Builds a HOB for memory allocation
Arguments:
HobStart - Start pointer of hob list
BaseAddress - The base address of memory allocated by this HOB.
Length - The length in bytes of memory allocated by this HOB.
Name - A GUID that defines the memory allocation region's type and purpose,
as well as other fields within the memory allocation HOB.
MemoryType - Defines the type of memory allocated by this HOB.
Returns:
EFI_SUCCESS
EFI_NOT_AVAILABLE_YET
--*/
{
EFI_PEI_HOB_POINTERS Hob;
EFI_PEI_HOB_POINTERS HandOffHob;
HandOffHob.Raw = HobStart;
Hob.Raw = (VOID*)(UINTN)HandOffHob.HandoffInformationTable->EfiEndOfHobList;
Hob.Header->HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION;
Hob.Header->HobLength = (UINT16) sizeof (EFI_HOB_MEMORY_ALLOCATION);
if (Name != NULL) {
CopyMem (&(Hob.MemoryAllocation->AllocDescriptor.Name), &Name, sizeof (EFI_GUID));
} else {
ZeroMem (&Hob.MemoryAllocation->AllocDescriptor.Name, sizeof (EFI_GUID));
}
(Hob.MemoryAllocation->AllocDescriptor).MemoryBaseAddress = BaseAddress;
(Hob.MemoryAllocation->AllocDescriptor).MemoryLength = Length;
(Hob.MemoryAllocation->AllocDescriptor).MemoryType = MemoryType;
Hob.MemoryAllocation++;
HandOffHob.HandoffInformationTable->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
Hob = BuildHobEndOfHobList(Hob.Raw);
HandOffHob.HandoffInformationTable->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS) (UINTN) Hob.Raw;
return EFI_SUCCESS;
}
EFI_STATUS
GetFirstGuidHob (
IN VOID **HobStart,
IN EFI_GUID *Guid,
OUT VOID **Buffer,
OUT UINTN *BufferSize OPTIONAL
)
/*++
Routine Description:
This function searches the first instance of a HOB among the whole HOB list.
Arguments:
HobStart - A pointer to the start pointer of hob list.
Guid - A pointer to the GUID to match with in the HOB list.
Buffer - A pointer to the pointer to the data for the custom HOB type.
BufferSize - A Pointer to the size in byte of BufferSize.
Returns:
EFI_SUCCESS
The first instance of the matched GUID HOB among the whole HOB list
--*/
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS GuidHob;
GuidHob.Raw = *HobStart;
for (Status = EFI_NOT_FOUND; EFI_ERROR (Status); ) {
if (END_OF_HOB_LIST (GuidHob)) {
return EFI_NOT_FOUND;
}
if (GuidHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
if ( ((INT32 *)Guid)[0] == ((INT32 *)&GuidHob.Guid->Name)[0] &&
((INT32 *)Guid)[1] == ((INT32 *)&GuidHob.Guid->Name)[1] &&
((INT32 *)Guid)[2] == ((INT32 *)&GuidHob.Guid->Name)[2] &&
((INT32 *)Guid)[3] == ((INT32 *)&GuidHob.Guid->Name)[3] ) {
Status = EFI_SUCCESS;
*Buffer = (VOID *)((UINT8 *)(&GuidHob.Guid->Name) + sizeof (EFI_GUID));
if (BufferSize) {
*BufferSize = GuidHob.Header->HobLength - sizeof (EFI_HOB_GUID_TYPE);
}
}
}
GuidHob.Raw = GET_NEXT_HOB (GuidHob);
}
return Status;
}
VOID *
GetHob (
IN UINT16 Type,
IN VOID *HobStart
)
/*++
Routine Description:
This function returns the first instance of a HOB type in a HOB list.
Arguments:
Type The HOB type to return.
HobStart The first HOB in the HOB list.
Returns:
HobStart There were no HOBs found with the requested type.
else Returns the first HOB with the matching type.
--*/
{
EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = HobStart;
//
// Return input if not found
//
if (HobStart == NULL) {
return HobStart;
}
//
// Parse the HOB list, stop if end of list or matching type found.
//
while (!END_OF_HOB_LIST (Hob)) {
if (Hob.Header->HobType == Type) {
break;
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
//
// Return input if not found
//
if (END_OF_HOB_LIST (Hob)) {
return HobStart;
}
return (VOID *) (Hob.Raw);
}
EFI_STATUS
GetNextGuidHob (
IN OUT VOID **HobStart,
IN EFI_GUID * Guid,
OUT VOID **Buffer,
OUT UINTN *BufferSize OPTIONAL
)
/*++
Routine Description:
Get the next guid hob.
Arguments:
HobStart A pointer to the start hob.
Guid A pointer to a guid.
Buffer A pointer to the buffer.
BufferSize Buffer size.
Returns:
Status code.
EFI_NOT_FOUND - Next Guid hob not found
EFI_SUCCESS - Next Guid hob found and data for this Guid got
EFI_INVALID_PARAMETER - invalid parameter
--*/
{
EFI_STATUS Status;
EFI_PEI_HOB_POINTERS GuidHob;
if (Buffer == NULL) {
return EFI_INVALID_PARAMETER;
}
for (Status = EFI_NOT_FOUND; EFI_ERROR (Status);) {
GuidHob.Raw = *HobStart;
if (END_OF_HOB_LIST (GuidHob)) {
return EFI_NOT_FOUND;
}
GuidHob.Raw = GetHob (EFI_HOB_TYPE_GUID_EXTENSION, *HobStart);
if (GuidHob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
if ( ((INT32 *)Guid)[0] == ((INT32 *)&GuidHob.Guid->Name)[0] &&
((INT32 *)Guid)[1] == ((INT32 *)&GuidHob.Guid->Name)[1] &&
((INT32 *)Guid)[2] == ((INT32 *)&GuidHob.Guid->Name)[2] &&
((INT32 *)Guid)[3] == ((INT32 *)&GuidHob.Guid->Name)[3] ) {
Status = EFI_SUCCESS;
*Buffer = (VOID *) ((UINT8 *) (&GuidHob.Guid->Name) + sizeof (EFI_GUID));
if (BufferSize != NULL) {
*BufferSize = GuidHob.Header->HobLength - sizeof (EFI_HOB_GUID_TYPE);
}
}
}
*HobStart = GET_NEXT_HOB (GuidHob);
}
return Status;
}
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