audk/MdePkg/Include/x64/ProcessorBind.h

194 lines
5.4 KiB
C

/** @file
Processor or Compiler specific defines and types x64 (Intel(r) EM64T, AMD64).
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: ProcessorBind.h
**/
#ifndef __PROCESSOR_BIND_H__
#define __PROCESSOR_BIND_H__
//
// Define the processor type so other code can make processor based choices
//
#define MDE_CPU_X64
//
// Make sure we are useing the correct packing rules per EFI specification
//
#pragma pack()
#if _MSC_EXTENSIONS
//
// Disable warning that make it impossible to compile at /W4
// This only works for Microsoft* tools
//
//
// Disabling bitfield type checking warnings.
//
#pragma warning ( disable : 4214 )
//
// Disabling the unreferenced formal parameter warnings.
//
#pragma warning ( disable : 4100 )
//
// Disable slightly different base types warning as CHAR8 * can not be set
// to a constant string.
//
#pragma warning ( disable : 4057 )
//
// ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning
//
#pragma warning ( disable : 4127 )
#endif
#if (__STDC_VERSION__ < 199901L)
//
// No ANSI C 2000 stdint.h integer width declarations, so define equivalents
//
#if _MSC_EXTENSIONS
//
// use Microsoft C complier dependent interger width types
//
typedef unsigned __int64 UINT64;
typedef __int64 INT64;
typedef unsigned __int32 UINT32;
typedef __int32 INT32;
typedef unsigned short UINT16;
typedef unsigned short CHAR16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef char INT8;
#else
#ifdef _EFI_P64
//
// P64 - is Intel Itanium(TM) speak for pointers being 64-bit and longs and ints
// are 32-bits
//
typedef unsigned long long UINT64;
typedef long long INT64;
typedef unsigned int UINT32;
typedef int INT32;
typedef unsigned short CHAR16;
typedef unsigned short UINT16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef char INT8;
#else
//
// Assume LP64 - longs and pointers are 64-bit. Ints are 32-bit.
//
typedef unsigned long UINT64;
typedef long INT64;
typedef unsigned int UINT32;
typedef int INT32;
typedef unsigned short UINT16;
typedef unsigned short CHAR16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef char INT8;
#endif
#endif
#define UINT8_MAX 0xff
#else
//
// Use ANSI C 2000 stdint.h integer width declarations
//
#include <stdint.h>
typedef uint8_t BOOLEAN;
typedef int8_t INT8;
typedef uint8_t UINT8;
typedef int16_t INT16;
typedef uint16_t UINT16;
typedef int32_t INT32;
typedef uint32_t UINT32;
typedef int64_t INT64;
typedef uint64_t UINT64;
typedef char CHAR8;
typedef uint16_t CHAR16;
#endif
typedef UINT64 UINTN;
typedef INT64 INTN;
//
// Processor specific defines
//
#define MAX_BIT 0x8000000000000000
#define MAX_2_BITS 0xC000000000000000
//
// Maximum legal Itanium-based address
//
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF
//
// Modifier to ensure that all protocol member functions and EFI intrinsics
// use the correct C calling convention. All protocol member functions and
// EFI intrinsics are required to modify thier member functions with EFIAPI.
//
#if _MSC_EXTENSIONS
///
/// Define the standard calling convention reguardless of optimization level.
/// __cdecl is Microsoft* specific C extension.
///
#define EFIAPI __cdecl
#elif __GNUC__
///
/// Define the standard calling convention reguardless of optimization level.
/// efidecl is an extension to GCC that supports the differnece between x64
/// GCC ABI and x64 Microsoft* ABI. EFI is closer to the Microsoft* ABI and
/// EFIAPI makes sure the right ABI is used for public interfaces.
/// eficecl is a work in progress and we do not yet have the compiler
///
#define EFIAPI __attribute__((efidecl))
#else
#define EFIAPI
#endif
//
// The Microsoft* C compiler can removed references to unreferenced data items
// if the /OPT:REF linker option is used. We defined a macro as this is a
// a non standard extension
//
#if _MSC_EXTENSIONS
#define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
#else
#define GLOBAL_REMOVE_IF_UNREFERENCED
#endif
#endif