mirror of https://github.com/acidanthera/audk.git
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/** @file
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Common header file.
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Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _CAPSULE_COMMON_HEADER_
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#define _CAPSULE_COMMON_HEADER_
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//
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// 8 extra pages for PF handler.
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//
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#define EXTRA_PAGE_TABLE_PAGES 8
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#define PAGING_1G_ADDRESS_MASK_64 0x000FFFFFC0000000ull
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//
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// This capsule PEIM puts its private data at the start of the
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// coalesced capsule. Here's the structure definition.
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//
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#define EFI_CAPSULE_PEIM_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('C', 'a', 'p', 'P')
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#pragma pack(1)
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typedef struct {
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UINT64 Signature;
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UINT64 CapsuleAllImageSize;
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UINT64 CapsuleNumber;
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UINT64 CapsuleOffset[1];
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} EFI_CAPSULE_PEIM_PRIVATE_DATA;
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#pragma pack()
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typedef struct {
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///
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/// The physical start address of the resource region.
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///
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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///
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/// The number of bytes of the resource region.
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///
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UINT64 ResourceLength;
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} MEMORY_RESOURCE_DESCRIPTOR;
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#define CAPSULE_TEST_SIGNATURE SIGNATURE_32('T', 'E', 'S', 'T')
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#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
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#pragma pack(1)
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typedef struct {
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EFI_PHYSICAL_ADDRESS EntryPoint;
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EFI_PHYSICAL_ADDRESS StackBufferBase;
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UINT64 StackBufferLength;
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EFI_PHYSICAL_ADDRESS JumpBuffer;
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EFI_PHYSICAL_ADDRESS BlockListAddr;
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EFI_PHYSICAL_ADDRESS MemoryResource;
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EFI_PHYSICAL_ADDRESS MemoryBase64Ptr;
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EFI_PHYSICAL_ADDRESS MemorySize64Ptr;
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BOOLEAN Page1GSupport;
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UINT64 AddressEncMask;
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} SWITCH_32_TO_64_CONTEXT;
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typedef struct {
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UINT16 ReturnCs;
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EFI_PHYSICAL_ADDRESS ReturnEntryPoint;
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UINT64 ReturnStatus;
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//
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// NOTICE:
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// Be careful about the Base field of IA32_DESCRIPTOR
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// that is UINTN type.
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// To extend new field for this structure, add it to
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// right before this Gdtr field.
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//
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IA32_DESCRIPTOR Gdtr;
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} SWITCH_64_TO_32_CONTEXT;
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#pragma pack()
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#endif
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/**
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The function to coalesce a fragmented capsule in memory.
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@param PeiServices General purpose services available to every PEIM.
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@param BlockListBuffer Point to the buffer of Capsule Descriptor Variables.
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@param MemoryResource Pointer to the buffer of memory resource descriptor.
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@param MemoryBase Pointer to the base of a block of memory that we can walk
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all over while trying to coalesce our buffers.
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On output, this variable will hold the base address of
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a coalesced capsule.
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@param MemorySize Size of the memory region pointed to by MemoryBase.
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On output, this variable will contain the size of the
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coalesced capsule.
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@retval EFI_NOT_FOUND if we can't determine the boot mode
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if the boot mode is not flash-update
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if we could not find the capsule descriptors
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@retval EFI_BUFFER_TOO_SMALL
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if we could not coalesce the capsule in the memory
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region provided to us
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@retval EFI_SUCCESS if there's no capsule, or if we processed the
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capsule successfully.
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**/
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EFI_STATUS
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EFIAPI
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CapsuleDataCoalesce (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PHYSICAL_ADDRESS *BlockListBuffer,
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IN MEMORY_RESOURCE_DESCRIPTOR *MemoryResource,
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IN OUT VOID **MemoryBase,
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IN OUT UINTN *MemorySize
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);
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#endif
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