68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright (C) 2020 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef EFI_H
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#define EFI_H
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/* EFI Memory Attribute values: */
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#define EFI_MEMORY_UC 0x0000000000000001UL /* uncached */
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#define EFI_MEMORY_WC 0x0000000000000002UL /* write-coalescing */
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#define EFI_MEMORY_WT 0x0000000000000004UL /* write-through */
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#define EFI_MEMORY_WB 0x0000000000000008UL /* write-back */
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/*
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#define EFI_MEMORY_UCE 0x0000000000000010UL
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#define EFI_MEMORY_WP 0x0000000000001000UL
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#define EFI_MEMORY_RP 0x0000000000002000UL
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#define EFI_MEMORY_XP 0x0000000000004000UL
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#define EFI_MEMORY_NV 0x0000000000008000UL
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#define EFI_MEMORY_MORE_RELIABLE 0x0000000000010000UL
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#define EFI_MEMORY_RO 0x0000000000020000UL
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#define EFI_MEMORY_SP 0x0000000000040000UL
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#define EFI_MEMORY_CPU_CRYPTO 0x0000000000080000UL
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#define EFI_MEMORY_RUNTIME 0x8000000000000000UL
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*/
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enum efi_memory_type {
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EFI_RESERVED_MEMORYTYPE,
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EFI_LOADER_CODE,
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EFI_LOADER_DATA,
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EFI_BOOT_SERVICES_CODE,
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EFI_BOOT_SERVICES_DATA,
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EFI_RUNTIME_SERVICES_CODE,
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EFI_RUNTIME_SERVICES_DATA,
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EFI_CONVENTIONAL_MEMORY,
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EFI_UNUSABLE_MEMORY,
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EFI_ACPI_RECLAIM_MEMORY,
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EFI_ACPI_MEMORY_NVS,
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EFI_MEMORYMAPPED_IO,
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EFI_MEMORYMAPPED_IOPORTSPACE,
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EFI_PALCODE,
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EFI_PERSISTENT_MEMORY,
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EFI_MAX_MEMORYTYPE
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};
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struct efi_memory_desc {
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uint32_t type;
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uint32_t pad;
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uint64_t phys_addr;
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uint64_t virt_addr;
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uint64_t num_pages;
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uint64_t attribute;
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};
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struct efi_info {
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uint32_t loader_signature; /* 0x1c0 */
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uint32_t systab; /* 0x1c4 */
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uint32_t memdesc_size; /* 0x1c8 */
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uint32_t memdesc_version; /* 0x1cc */
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uint32_t memmap; /* 0x1d0 */
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uint32_t memmap_size; /* 0x1d4 */
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uint32_t systab_hi; /* 0x1d8 */
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uint32_t memmap_hi; /* 0x1dc */
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} __packed;
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#endif
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