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Aiden Park
b24fd2759c
This will fully support PatchCheck.py. - Remove all trailing whitespace - Convert LF to CRLF by default - Update EFI_D_* to DEBUG_* - Re-enable CRLF check in PatchCheck.py Signed-off-by: Aiden Park <aiden.park@intel.com>
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/** @file
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/FspSupportLib.h>
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#include <Library/BootloaderCoreLib.h>
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#include <Guid/GuidHobFspEas.h>
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/**
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This function retrieves FSP Non-volatile Storage HOB buffer and size.
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@param HobListPtr A HOB list pointer.
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@param Length A pointer to the NVS data buffer length. If the FSP NVS
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HOB is located, the length will be updated.
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@retval NULL Failed to find the NVS HOB.
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@retval others FSP NVS data buffer pointer.
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**/
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VOID *
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EFIAPI
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GetFspNvsDataBuffer (
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CONST VOID *HobListPtr,
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UINT32 *Length
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)
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{
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return GetGuidHobData (HobListPtr, Length, &gFspNonVolatileStorageHobGuid);
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}
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/**
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This function retrieves a special reserved memory region.
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@param HobListPtr A HOB list pointer.
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@param Length A pointer to the GUID HOB data buffer length. If the GUID HOB is
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located, the length will be updated.
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@param OwnerGuid A pointer to the owner guild.
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@retval Reserved region start address. 0 if this region does not exist.
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**/
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UINT64
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EFIAPI
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GetFspReservedMemoryFromGuid (
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CONST VOID *HobListPtr,
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UINT64 *Length,
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EFI_GUID *OwnerGuid
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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/*
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* Get the HOB list for processing
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*/
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Hob.Raw = (VOID *)HobListPtr;
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/*
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* Collect memory ranges
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*/
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while (!END_OF_HOB_LIST (Hob)) {
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if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
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if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) {
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if (CompareGuid (&Hob.ResourceDescriptor->Owner, OwnerGuid)) {
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if (Length != 0) {
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*Length = (UINT32) (Hob.ResourceDescriptor->ResourceLength);
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}
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return (UINT64) (Hob.ResourceDescriptor->PhysicalStart);
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}
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}
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}
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Hob.Raw = GET_NEXT_HOB (Hob);
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}
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return 0;
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}
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/**
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This function traverses each memory resource hob type and calls the handler.
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@param HobListPtr A HOB list pointer.
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@param MemResHobCallback A function pointer to the callback handler
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@param Param A pointer to the parameter which will be passed into handler.
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**/
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VOID
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EFIAPI
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TraverseMemoryResourceHob (
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IN CONST VOID *HobListPtr,
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IN MEM_RES_HOB_CALLBACK MemResHobCallback,
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IN VOID *Param
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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/*
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* Get the HOB list for processing
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*/
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Hob.Raw = (VOID *)HobListPtr;
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/*
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* Collect memory ranges
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*/
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while (!END_OF_HOB_LIST (Hob)) {
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if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
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if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) ||
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(Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY)) {
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MemResHobCallback (Hob.ResourceDescriptor, Param);
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}
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}
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Hob.Raw = GET_NEXT_HOB (Hob);
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}
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}
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