197 lines
4.1 KiB
C
197 lines
4.1 KiB
C
/* $FreeBSD$ */
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#ifndef _EFI_DEF_H
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#define _EFI_DEF_H
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/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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efidef.h
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Abstract:
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EFI definitions
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Revision History
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--*/
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typedef UINT16 CHAR16;
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typedef UINT8 CHAR8;
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typedef UINT8 BOOLEAN;
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#ifndef TRUE
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#define TRUE ((BOOLEAN) 1)
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#define FALSE ((BOOLEAN) 0)
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#endif
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#ifndef NULL
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#define NULL ((VOID *) 0)
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#endif
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typedef UINTN EFI_STATUS;
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typedef UINT64 EFI_LBA;
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typedef UINTN EFI_TPL;
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typedef VOID *EFI_HANDLE;
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typedef VOID *EFI_EVENT;
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//
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// Prototype argument decoration for EFI parameters to indicate
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// their direction
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//
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// IN - argument is passed into the function
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// OUT - argument (pointer) is returned from the function
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// OPTIONAL - argument is optional
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//
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#ifndef IN
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#define IN
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#define OUT
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#define OPTIONAL
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#endif
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//
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// A GUID
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//
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typedef struct {
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UINT32 Data1;
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UINT16 Data2;
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UINT16 Data3;
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UINT8 Data4[8];
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} EFI_GUID;
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//
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// Time
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//
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typedef struct {
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UINT16 Year; // 1998 - 20XX
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UINT8 Month; // 1 - 12
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UINT8 Day; // 1 - 31
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UINT8 Hour; // 0 - 23
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UINT8 Minute; // 0 - 59
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UINT8 Second; // 0 - 59
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UINT8 Pad1;
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UINT32 Nanosecond; // 0 - 999,999,999
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INT16 TimeZone; // -1440 to 1440 or 2047
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UINT8 Daylight;
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UINT8 Pad2;
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} EFI_TIME;
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// Bit definitions for EFI_TIME.Daylight
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#define EFI_TIME_ADJUST_DAYLIGHT 0x01
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#define EFI_TIME_IN_DAYLIGHT 0x02
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// Value definition for EFI_TIME.TimeZone
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#define EFI_UNSPECIFIED_TIMEZONE 0x07FF
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//
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// Networking
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//
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typedef struct {
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UINT8 Addr[4];
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} EFI_IPv4_ADDRESS;
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typedef struct {
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UINT8 Addr[16];
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} EFI_IPv6_ADDRESS;
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typedef struct {
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UINT8 Addr[32];
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} EFI_MAC_ADDRESS;
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//
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// Memory
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//
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typedef UINT64 EFI_PHYSICAL_ADDRESS;
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typedef UINT64 EFI_VIRTUAL_ADDRESS;
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typedef enum {
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AllocateAnyPages,
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AllocateMaxAddress,
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AllocateAddress,
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MaxAllocateType
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} EFI_ALLOCATE_TYPE;
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//Preseve the attr on any range supplied.
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//ConventialMemory must have WB,SR,SW when supplied.
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//When allocating from ConventialMemory always make it WB,SR,SW
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//When returning to ConventialMemory always make it WB,SR,SW
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//When getting the memory map, or on RT for runtime types
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typedef enum {
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EfiReservedMemoryType,
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EfiLoaderCode,
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EfiLoaderData,
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EfiBootServicesCode,
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EfiBootServicesData,
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EfiRuntimeServicesCode,
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EfiRuntimeServicesData,
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EfiConventionalMemory,
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EfiUnusableMemory,
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EfiACPIReclaimMemory,
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EfiACPIMemoryNVS,
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EfiMemoryMappedIO,
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EfiMemoryMappedIOPortSpace,
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EfiPalCode,
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EfiMaxMemoryType
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} EFI_MEMORY_TYPE;
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// possible caching types for the memory range
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#define EFI_MEMORY_UC 0x0000000000000001
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#define EFI_MEMORY_WC 0x0000000000000002
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#define EFI_MEMORY_WT 0x0000000000000004
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#define EFI_MEMORY_WB 0x0000000000000008
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#define EFI_MEMORY_UCE 0x0000000000000010
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// physical memory protection on range
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#define EFI_MEMORY_WP 0x0000000000001000
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#define EFI_MEMORY_RP 0x0000000000002000
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#define EFI_MEMORY_XP 0x0000000000004000
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// range requires a runtime mapping
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#define EFI_MEMORY_RUNTIME 0x8000000000000000
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#define EFI_MEMORY_DESCRIPTOR_VERSION 1
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typedef struct {
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UINT32 Type; // Field size is 32 bits followed by 32 bit pad
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EFI_PHYSICAL_ADDRESS PhysicalStart; // Field size is 64 bits
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EFI_VIRTUAL_ADDRESS VirtualStart; // Field size is 64 bits
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UINT64 NumberOfPages; // Field size is 64 bits
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UINT64 Attribute; // Field size is 64 bits
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} EFI_MEMORY_DESCRIPTOR;
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//
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// International Language
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//
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typedef UINT8 ISO_639_2;
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#define ISO_639_2_ENTRY_SIZE 3
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//
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//
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//
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#define EFI_PAGE_SIZE 4096
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#define EFI_PAGE_MASK 0xFFF
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#define EFI_PAGE_SHIFT 12
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#define EFI_SIZE_TO_PAGES(a) \
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( ((a) >> EFI_PAGE_SHIFT) + ((a) & EFI_PAGE_MASK ? 1 : 0) )
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#endif
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