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beb4d65e92
Fix a cast in get_next_hob() that causes warnings on 64-bit machines. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
245 lines
7 KiB
C
245 lines
7 KiB
C
/*
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* Copyright (C) 2013, Intel Corporation
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* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
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*
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* SPDX-License-Identifier: Intel
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*/
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#ifndef __FSP_HOB_H__
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#define __FSP_HOB_H__
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#include <efi.h>
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/* Type of HOB Header */
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#define HOB_TYPE_MEM_ALLOC 0x0002
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#define HOB_TYPE_RES_DESC 0x0003
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#define HOB_TYPE_GUID_EXT 0x0004
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#define HOB_TYPE_UNUSED 0xFFFE
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#define HOB_TYPE_EOH 0xFFFF
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/*
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* Describes the format and size of the data inside the HOB.
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* All HOBs must contain this generic HOB header.
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*/
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struct hob_header {
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u16 type; /* HOB type */
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u16 len; /* HOB length */
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u32 reserved; /* always zero */
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};
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/*
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* Describes all memory ranges used during the HOB producer phase that
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* exist outside the HOB list. This HOB type describes how memory is used,
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* not the physical attributes of memory.
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*/
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struct hob_mem_alloc {
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struct hob_header hdr;
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/*
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* A GUID that defines the memory allocation region's type and purpose,
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* as well as other fields within the memory allocation HOB. This GUID
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* is used to define the additional data within the HOB that may be
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* present for the memory allocation HOB. Type efi_guid is defined in
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* InstallProtocolInterface() in the UEFI 2.0 specification.
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*/
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struct efi_guid name;
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/*
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* The base address of memory allocated by this HOB.
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* Type phys_addr_t is defined in AllocatePages() in the UEFI 2.0
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* specification.
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*/
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phys_addr_t mem_base;
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/* The length in bytes of memory allocated by this HOB */
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phys_size_t mem_len;
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/*
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* Defines the type of memory allocated by this HOB.
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* The memory type definition follows the EFI_MEMORY_TYPE definition.
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* Type EFI_MEMORY_TYPE is defined in AllocatePages() in the UEFI 2.0
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* specification.
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*/
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enum efi_mem_type mem_type;
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/* padding */
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u8 reserved[4];
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};
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/* Value of ResourceType in HOB_RES_DESC */
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#define RES_SYS_MEM 0x00000000
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#define RES_MMAP_IO 0x00000001
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#define RES_IO 0x00000002
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#define RES_FW_DEVICE 0x00000003
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#define RES_MMAP_IO_PORT 0x00000004
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#define RES_MEM_RESERVED 0x00000005
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#define RES_IO_RESERVED 0x00000006
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#define RES_MAX_MEM_TYPE 0x00000007
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/*
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* These types can be ORed together as needed.
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*
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* The first three enumerations describe settings
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* The rest of the settings describe capabilities
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*/
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#define RES_ATTR_PRESENT 0x00000001
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#define RES_ATTR_INITIALIZED 0x00000002
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#define RES_ATTR_TESTED 0x00000004
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#define RES_ATTR_SINGLE_BIT_ECC 0x00000008
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#define RES_ATTR_MULTIPLE_BIT_ECC 0x00000010
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#define RES_ATTR_ECC_RESERVED_1 0x00000020
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#define RES_ATTR_ECC_RESERVED_2 0x00000040
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#define RES_ATTR_READ_PROTECTED 0x00000080
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#define RES_ATTR_WRITE_PROTECTED 0x00000100
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#define RES_ATTR_EXECUTION_PROTECTED 0x00000200
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#define RES_ATTR_UNCACHEABLE 0x00000400
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#define RES_ATTR_WRITE_COMBINEABLE 0x00000800
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#define RES_ATTR_WRITE_THROUGH_CACHEABLE 0x00001000
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#define RES_ATTR_WRITE_BACK_CACHEABLE 0x00002000
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#define RES_ATTR_16_BIT_IO 0x00004000
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#define RES_ATTR_32_BIT_IO 0x00008000
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#define RES_ATTR_64_BIT_IO 0x00010000
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#define RES_ATTR_UNCACHED_EXPORTED 0x00020000
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/*
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* Describes the resource properties of all fixed, nonrelocatable resource
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* ranges found on the processor host bus during the HOB producer phase.
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*/
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struct hob_res_desc {
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struct hob_header hdr;
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/*
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* A GUID representing the owner of the resource. This GUID is
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* used by HOB consumer phase components to correlate device
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* ownership of a resource.
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*/
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struct efi_guid owner;
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u32 type;
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u32 attr;
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/* The physical start address of the resource region */
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phys_addr_t phys_start;
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/* The number of bytes of the resource region */
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phys_size_t len;
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};
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/*
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* Allows writers of executable content in the HOB producer phase to
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* maintain and manage HOBs with specific GUID.
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*/
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struct hob_guid {
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struct hob_header hdr;
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/* A GUID that defines the contents of this HOB */
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struct efi_guid name;
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/* GUID specific data goes here */
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};
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/**
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* get_next_hob() - return a pointer to the next HOB in the HOB list
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*
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* This macro returns a pointer to HOB that follows the HOB specified by hob
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* in the HOB List.
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*
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* @hdr: A pointer to a HOB.
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*
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* @return: A pointer to the next HOB in the HOB list.
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*/
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static inline const struct hob_header *get_next_hob(const struct hob_header *hdr)
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{
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return (const struct hob_header *)((uintptr_t)hdr + hdr->len);
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}
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/**
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* end_of_hob() - determine if a HOB is the last HOB in the HOB list
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*
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* This macro determine if the HOB specified by hob is the last HOB in the
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* HOB list. If hob is last HOB in the HOB list, then true is returned.
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* Otherwise, false is returned.
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*
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* @hdr: A pointer to a HOB.
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*
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* @retval true: The HOB specified by hdr is the last HOB in the HOB list.
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* @retval false: The HOB specified by hdr is not the last HOB in the HOB list.
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*/
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static inline bool end_of_hob(const struct hob_header *hdr)
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{
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return hdr->type == HOB_TYPE_EOH;
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}
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/**
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* get_guid_hob_data() - return a pointer to data buffer from a HOB of
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* type HOB_TYPE_GUID_EXT
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*
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* This macro returns a pointer to the data buffer in a HOB specified by hob.
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* hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
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*
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* @hdr: A pointer to a HOB.
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*
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* @return: A pointer to the data buffer in a HOB.
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*/
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static inline void *get_guid_hob_data(const struct hob_header *hdr)
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{
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return (void *)((uintptr_t)hdr + sizeof(struct hob_guid));
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}
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/**
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* get_guid_hob_data_size() - return the size of the data buffer from a HOB
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* of type HOB_TYPE_GUID_EXT
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*
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* This macro returns the size, in bytes, of the data buffer in a HOB
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* specified by hob. hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
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*
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* @hdr: A pointer to a HOB.
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*
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* @return: The size of the data buffer.
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*/
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static inline u16 get_guid_hob_data_size(const struct hob_header *hdr)
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{
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return hdr->len - sizeof(struct hob_guid);
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}
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/* FSP specific GUID HOB definitions */
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#define FSP_GUID_DATA1 0x912740be
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#define FSP_GUID_DATA2 0x2284
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#define FSP_GUID_DATA3 0x4734
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#define FSP_GUID_DATA4_0 0xb9
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#define FSP_GUID_DATA4_1 0x71
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#define FSP_GUID_DATA4_2 0x84
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#define FSP_GUID_DATA4_3 0xb0
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#define FSP_GUID_DATA4_4 0x27
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#define FSP_GUID_DATA4_5 0x35
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#define FSP_GUID_DATA4_6 0x3f
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#define FSP_GUID_DATA4_7 0x0c
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#define FSP_HEADER_GUID \
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{ \
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FSP_GUID_DATA1, FSP_GUID_DATA2, FSP_GUID_DATA3, \
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{ FSP_GUID_DATA4_0, FSP_GUID_DATA4_1, FSP_GUID_DATA4_2, \
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FSP_GUID_DATA4_3, FSP_GUID_DATA4_4, FSP_GUID_DATA4_5, \
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FSP_GUID_DATA4_6, FSP_GUID_DATA4_7 } \
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}
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#define FSP_NON_VOLATILE_STORAGE_HOB_GUID \
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{ \
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0x721acf02, 0x4d77, 0x4c2a, \
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{ 0xb3, 0xdc, 0x27, 0xb, 0x7b, 0xa9, 0xe4, 0xb0 } \
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}
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#define FSP_BOOTLOADER_TEMP_MEM_HOB_GUID \
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{ \
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0xbbcff46c, 0xc8d3, 0x4113, \
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{ 0x89, 0x85, 0xb9, 0xd4, 0xf3, 0xb3, 0xf6, 0x4e } \
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}
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#define FSP_HOB_RESOURCE_OWNER_FSP_GUID \
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{ \
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0x69a79759, 0x1373, 0x4367, \
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{ 0xa6, 0xc4, 0xc7, 0xf5, 0x9e, 0xfd, 0x98, 0x6e } \
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}
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#define FSP_HOB_RESOURCE_OWNER_TSEG_GUID \
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{ \
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0xd038747c, 0xd00c, 0x4980, \
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{ 0xb3, 0x19, 0x49, 0x01, 0x99, 0xa4, 0x7d, 0x55 } \
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}
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#define FSP_HOB_RESOURCE_OWNER_GRAPHICS_GUID \
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{ \
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0x9c7c3aa7, 0x5332, 0x4917, \
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{ 0x82, 0xb9, 0x56, 0xa5, 0xf3, 0xe6, 0x2a, 0x07 } \
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}
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#endif
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