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/* $FreeBSD: head/sys/boot/efi/include/efidef.h 279038 2015-02-20 01:40:55Z imp $ */
#ifndef _EFI_DEF_H
#define _EFI_DEF_H
/*++
Copyright (c) 1999 - 2002 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
Module Name:
efidef.h
Abstract:
EFI definitions
Revision History
--*/
typedef UINT16 CHAR16;
typedef UINT8 CHAR8;
#ifndef ACPI_THREAD_ID /* ACPI's definitions are fine */
typedef UINT8 BOOLEAN;
#endif
#ifndef TRUE
#define TRUE ((BOOLEAN) 1)
#define FALSE ((BOOLEAN) 0)
#endif
#ifndef NULL
#define NULL ((VOID *) 0)
#endif
typedef UINTN EFI_STATUS;
typedef UINT64 EFI_LBA;
typedef UINTN EFI_TPL;
typedef VOID *EFI_HANDLE;
typedef VOID *EFI_EVENT;
//
// Prototype argument decoration for EFI parameters to indicate
// their direction
//
// IN - argument is passed into the function
// OUT - argument (pointer) is returned from the function
// OPTIONAL - argument is optional
//
#ifndef IN
#define IN
#define OUT
#define OPTIONAL
#endif
//
// A GUID
//
typedef struct {
UINT32 Data1;
UINT16 Data2;
UINT16 Data3;
UINT8 Data4[8];
} EFI_GUID;
//
// Time
//
typedef struct {
UINT16 Year; // 1998 - 20XX
UINT8 Month; // 1 - 12
UINT8 Day; // 1 - 31
UINT8 Hour; // 0 - 23
UINT8 Minute; // 0 - 59
UINT8 Second; // 0 - 59
UINT8 Pad1;
UINT32 Nanosecond; // 0 - 999,999,999
INT16 TimeZone; // -1440 to 1440 or 2047
UINT8 Daylight;
UINT8 Pad2;
} EFI_TIME;
// Bit definitions for EFI_TIME.Daylight
#define EFI_TIME_ADJUST_DAYLIGHT 0x01
#define EFI_TIME_IN_DAYLIGHT 0x02
// Value definition for EFI_TIME.TimeZone
#define EFI_UNSPECIFIED_TIMEZONE 0x07FF
//
// Networking
//
typedef struct {
UINT8 Addr[4];
} EFI_IPv4_ADDRESS;
typedef struct {
UINT8 Addr[16];
} EFI_IPv6_ADDRESS;
typedef struct {
UINT8 Addr[32];
} EFI_MAC_ADDRESS;
//
// Memory
//
typedef UINT64 EFI_PHYSICAL_ADDRESS;
typedef UINT64 EFI_VIRTUAL_ADDRESS;
typedef enum {
AllocateAnyPages,
AllocateMaxAddress,
AllocateAddress,
MaxAllocateType
} EFI_ALLOCATE_TYPE;
//Preseve the attr on any range supplied.
//ConventialMemory must have WB,SR,SW when supplied.
//When allocating from ConventialMemory always make it WB,SR,SW
//When returning to ConventialMemory always make it WB,SR,SW
//When getting the memory map, or on RT for runtime types
typedef enum {
EfiReservedMemoryType,
EfiLoaderCode,
EfiLoaderData,
EfiBootServicesCode,
EfiBootServicesData,
EfiRuntimeServicesCode,
EfiRuntimeServicesData,
EfiConventionalMemory,
EfiUnusableMemory,
EfiACPIReclaimMemory,
EfiACPIMemoryNVS,
EfiMemoryMappedIO,
EfiMemoryMappedIOPortSpace,
EfiPalCode,
EfiMaxMemoryType
} EFI_MEMORY_TYPE;
// possible caching types for the memory range
#define EFI_MEMORY_UC 0x0000000000000001
#define EFI_MEMORY_WC 0x0000000000000002
#define EFI_MEMORY_WT 0x0000000000000004
#define EFI_MEMORY_WB 0x0000000000000008
#define EFI_MEMORY_UCE 0x0000000000000010
// physical memory protection on range
#define EFI_MEMORY_WP 0x0000000000001000
#define EFI_MEMORY_RP 0x0000000000002000
#define EFI_MEMORY_XP 0x0000000000004000
// range requires a runtime mapping
#define EFI_MEMORY_RUNTIME 0x8000000000000000
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
typedef struct {
UINT32 Type; // Field size is 32 bits followed by 32 bit pad
UINT32 Pad;
EFI_PHYSICAL_ADDRESS PhysicalStart; // Field size is 64 bits
EFI_VIRTUAL_ADDRESS VirtualStart; // Field size is 64 bits
UINT64 NumberOfPages; // Field size is 64 bits
UINT64 Attribute; // Field size is 64 bits
} EFI_MEMORY_DESCRIPTOR;
//
// International Language
//
typedef UINT8 ISO_639_2;
#define ISO_639_2_ENTRY_SIZE 3
//
//
//
#define EFI_PAGE_SIZE 4096
#define EFI_PAGE_MASK 0xFFF
#define EFI_PAGE_SHIFT 12
#define EFI_SIZE_TO_PAGES(a) \
( ((a) >> EFI_PAGE_SHIFT) + (((a) & EFI_PAGE_MASK) ? 1 : 0) )
#endif
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