freebsd-dev/sys/boot/efi/include/i386/efibind.h

249 lines
6.8 KiB
C

/* $FreeBSD$ */
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
efefind.h
Abstract:
EFI to compile bindings
Revision History
--*/
#pragma pack()
//
// Basic int types of various widths
//
#if (__STDC_VERSION__ < 199901L )
// No ANSI C 1999/2000 stdint.h integer width declarations
#if _MSC_EXTENSIONS
// Use Microsoft C compiler integer width declarations
typedef unsigned __int64 uint64_t;
typedef __int64 int64_t;
typedef unsigned __int32 uint32_t;
typedef __int32 int32_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned char uint8_t;
typedef char int8_t;
#else
#ifdef UNIX_LP64
// Use LP64 programming model from C_FLAGS for integer width declarations
typedef unsigned long uint64_t;
typedef long int64_t;
typedef unsigned int uint32_t;
typedef int int32_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned char uint8_t;
typedef char int8_t;
#else
// Assume P64 programming model from C_FLAGS for integer width declarations
typedef unsigned long long uint64_t;
typedef long long int64_t;
typedef unsigned int uint32_t;
typedef int int32_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned char uint8_t;
typedef char int8_t;
#endif
#endif
#endif
//
// Basic EFI types of various widths
//
typedef uint64_t UINT64;
typedef int64_t INT64;
#ifndef _BASETSD_H_
typedef uint32_t UINT32;
typedef int32_t INT32;
#endif
typedef uint16_t UINT16;
typedef int16_t INT16;
typedef uint8_t UINT8;
typedef int8_t INT8;
#undef VOID
#define VOID void
typedef int32_t INTN;
typedef uint32_t UINTN;
#ifdef EFI_NT_EMULATOR
#define POST_CODE(_Data)
#else
#ifdef EFI_DEBUG
#define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al
#else
#define POST_CODE(_Data)
#endif
#endif
#define EFIERR(a) (0x80000000 | a)
#define EFI_ERROR_MASK 0x80000000
#define EFIERR_OEM(a) (0xc0000000 | a)
#define BAD_POINTER 0xFBFBFBFB
#define MAX_ADDRESS 0xFFFFFFFF
#ifdef EFI_NT_EMULATOR
#define BREAKPOINT() __asm { int 3 }
#else
#define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32
#endif
//
// Pointers must be aligned to these address to function
//
#define MIN_ALIGNMENT_SIZE 4
#define ALIGN_VARIABLE(Value ,Adjustment) \
(UINTN)Adjustment = 0; \
if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
(UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
Value = (UINTN)Value + (UINTN)Adjustment
//
// Define macros to build data structure signatures from characters.
//
#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8))
#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16))
#define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32))
//
// To export & import functions in the EFI emulator environment
//
#if EFI_NT_EMULATOR
#define EXPORTAPI __declspec( dllexport )
#else
#define EXPORTAPI
#endif
//
// EFIAPI - prototype calling convention for EFI function pointers
// BOOTSERVICE - prototype for implementation of a boot service interface
// RUNTIMESERVICE - prototype for implementation of a runtime service interface
// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
// RUNTIME_CODE - pragma macro for declaring runtime code
//
#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options
#if _MSC_EXTENSIONS
#define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler
#else
#define EFIAPI // Substitute expresion to force C calling convention
#endif
#endif
#define BOOTSERVICE
//#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a
//#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a
#define RUNTIMESERVICE
#define RUNTIMEFUNCTION
#define RUNTIME_CODE(a) alloc_text("rtcode", a)
#define BEGIN_RUNTIME_DATA() data_seg("rtdata")
#define END_RUNTIME_DATA() data_seg("")
#define VOLATILE volatile
#define MEMORY_FENCE()
#ifdef EFI_NT_EMULATOR
//
// To help ensure proper coding of integrated drivers, they are
// compiled as DLLs. In NT they require a dll init entry pointer.
// The macro puts a stub entry point into the DLL so it will load.
//
#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
UINTN \
__stdcall \
_DllMainCRTStartup ( \
UINTN Inst, \
UINTN reason_for_call, \
VOID *rserved \
) \
{ \
return 1; \
} \
\
int \
EXPORTAPI \
__cdecl \
InitializeDriver ( \
void *ImageHandle, \
void *SystemTable \
) \
{ \
return InitFunction(ImageHandle, SystemTable); \
}
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, NULL)
#else // EFI_NT_EMULATOR
//
// When build similiar to FW, then link everything together as
// one big module.
//
#define EFI_DRIVER_ENTRY_POINT(InitFunction)
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
#endif // EFI_FW_NT
//
// Some compilers don't support the forward reference construct:
// typedef struct XXXXX
//
// The following macro provide a workaround for such cases.
//
#ifdef NO_INTERFACE_DECL
#define INTERFACE_DECL(x)
#else
#define INTERFACE_DECL(x) typedef struct x
#endif
#if _MSC_EXTENSIONS
#pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP
#endif