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https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
278 lines
7.8 KiB
C
278 lines
7.8 KiB
C
/* SPDX-License-Identifier: Intel */
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/*
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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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#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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enum pixel_format {
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pixel_rgbx_8bpc, /* RGB 8 bit per color */
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pixel_bgrx_8bpc, /* BGR 8 bit per color */
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pixel_bitmask,
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};
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struct __packed hob_graphics_info {
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phys_addr_t fb_base; /* framebuffer base address */
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u32 fb_size; /* framebuffer size */
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u32 version;
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u32 width;
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u32 height;
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enum pixel_format pixel_format;
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u32 red_mask;
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u32 green_mask;
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u32 blue_mask;
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u32 reserved_mask;
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u32 pixels_per_scanline;
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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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/* The following GUIDs are newly introduced in FSP spec 1.1 */
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#define FSP_HOB_RESOURCE_OWNER_BOOTLOADER_TOLUM_GUID \
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{ \
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0x73ff4f56, 0xaa8e, 0x4451, \
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{ 0xb3, 0x16, 0x36, 0x35, 0x36, 0x67, 0xad, 0x44 } \
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}
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#define FSP_GRAPHICS_INFO_HOB_GUID \
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{ \
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0x39f62cce, 0x6825, 0x4669, \
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{ 0xbb, 0x56, 0x54, 0x1a, 0xba, 0x75, 0x3a, 0x07 } \
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}
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#endif
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