audk/MdePkg/Include/Ia32/ProcessorBind.h

226 lines
6.0 KiB
C

/** @file
Processor or Compiler specific defines and types for Ia32 architecture.
Copyright (c) 2006, Intel Corporation<BR>
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.
**/
#ifndef __PROCESSOR_BIND_H__
#define __PROCESSOR_BIND_H__
///
/// Define the processor type so other code can make processor based choices
///
#define MDE_CPU_IA32
//
// Make sure we are using the correct packing rules per EFI specification
//
#ifndef __GNUC__
#pragma pack()
#endif
#if __INTEL_COMPILER
//
// Disable ICC's remark #869: "Parameter" was never referenced warning.
// This is legal ANSI C code so we disable the remark that is turned on with -Wall
//
#pragma warning ( disable : 869 )
//
// Disable ICC's remark #1418: external function definition with no prior declaration.
// This is legal ANSI C code so we disable the remark that is turned on with /W4
//
#pragma warning ( disable : 1418 )
//
// Disable ICC's remark #1419: external declaration in primary source file
// This is legal ANSI C code so we disable the remark that is turned on with /W4
//
#pragma warning ( disable : 1419 )
#endif
#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 )
//
// This warning is caused by functions defined but not used. For precompiled header only.
//
#pragma warning ( disable : 4505 )
//
// This warning is caused by empty (after preprocessing) source file. For precompiled header only.
//
#pragma warning ( disable : 4206 )
#endif
#if !defined(__GNUC__) && (__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
//
// Assume standard IA-32 alignment.
// Need to check portability of long long
//
typedef unsigned long long UINT64;
typedef long 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
#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 UINT32 UINTN;
typedef INT32 INTN;
///
/// Processor specific defines
///
#define MAX_BIT 0x80000000
#define MAX_2_BITS 0xC0000000
///
/// Maximum legal IA-32 address
///
#define MAX_ADDRESS 0xFFFFFFFF
///
/// The stack alignment required for IA-32
///
#define CPU_STACK_ALIGNMENT sizeof(UINTN)
//
// 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 their member functions with EFIAPI.
//
#if _MSC_EXTENSIONS
///
/// Microsoft* compiler requires _EFIAPI useage, __cdecl is Microsoft* specific C.
///
#define EFIAPI __cdecl
#else
#if __GNUC__
#define EFIAPI __attribute__((cdecl))
#endif
#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
//
// For symbol name in GNU assembly code, an extra "_" is necessary
//
#if __GNUC__
#if defined(linux)
#define ASM_PFX(name) name
#else
#define ASM_PFX(name) _##name
#endif
#endif
/**
Return the pointer to the first instruction of a function given a function pointer.
On IA32 CPU architectures, these two pointer values are the same,
so the implementation of this macro is very simple.
@param FunctionPointer A pointer to a function.
@return The pointer to the first instruction of a function given a function pointer.
**/
#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
#endif