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/** @file
Processor or Compiler specific defines and types for Intel Itanium(TM) processors.
Copyright (c) 2006 - 2009, 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_IPF
//
// Make sure we are using the correct packing rules per EFI specification
//
#pragma pack()
#if defined(__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 defined(_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 )
//
// Disable warning on conversion from function pointer to a data pointer
//
#pragma warning ( disable : 4054 )
//
// ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning
//
#pragma warning ( disable : 4127 )
//
// Can not cast a function pointer to a data pointer. We need to do this on
// Itanium processors to get access to the PLABEL.
//
#pragma warning ( disable : 4514 )
//
// 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 (__STDC_VERSION__) || (__STDC_VERSION__) < 199901L
//
// No ANSI C 2000 stdint.h integer width declarations, so define equivalents
//
#if defined(_MSC_EXTENSIONS)
//
// use Microsoft C compiler dependent integer width types
//
///
/// 8-byte unsigned value
///
typedef unsigned __int64 UINT64;
///
/// 8-byte signed value
///
typedef __int64 INT64;
///
/// 4-byte unsigned value
///
typedef unsigned __int32 UINT32;
///
/// 4-byte signed value
///
typedef __int32 INT32;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#else
#if defined(_EFI_P64)
//
// P64 - pointers being 64-bit and longs and ints are 32-bits.
//
///
/// 8-byte unsigned value
///
typedef unsigned long long UINT64;
///
/// 8-byte signed value
///
typedef long long INT64;
///
/// 4-byte unsigned value
///
typedef unsigned int UINT32;
///
/// 4-byte signed value
///
typedef int INT32;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#else
//
// Assume LP64 - longs and pointers are 64-bit. Ints are 32-bit.
//
///
/// 8-byte unsigned value
///
typedef unsigned long UINT64;
///
/// 8-byte signed value
///
typedef long INT64;
///
/// 4-byte unsigned value
///
typedef unsigned int UINT32;
///
/// 4-byte signed value
///
typedef int INT32;
///
/// 2-byte unsigned value
///
typedef unsigned short UINT16;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef unsigned short CHAR16;
///
/// 2-byte signed value
///
typedef short INT16;
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef unsigned char BOOLEAN;
///
/// 1-byte unsigned value
///
typedef unsigned char UINT8;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 1-byte signed value
///
typedef char INT8;
#endif
#endif
#else
//
// Use ANSI C 2000 stdint.h integer width declarations
//
#include <stdint.h>
///
/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
/// values are undefined.
///
typedef uint8_t BOOLEAN;
///
/// 1-byte signed value
///
typedef int8_t INT8;
///
/// 1-byte unsigned value
///
typedef uint8_t UINT8;
///
/// 2-byte signed value
///
typedef int16_t INT16;
///
/// 2-byte unsigned value
///
typedef uint16_t UINT16;
///
/// 4-byte signed value
///
typedef int32_t INT32;
///
/// 4-byte unsigned value
///
typedef uint32_t UINT32;
///
/// 8-byte signed value
///
typedef int64_t INT64;
///
/// 8-byte unsigned value
///
typedef uint64_t UINT64;
///
/// 1-byte Character
///
typedef char CHAR8;
///
/// 2-byte Character. Unless otherwise specified all strings are stored in the
/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
///
typedef uint16_t CHAR16;
#endif
///
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef UINT64 UINTN;
///
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef INT64 INTN;
//
// Processor specific defines
//
///
/// A value of native width with the highest bit set.
///
#define MAX_BIT 0x8000000000000000ULL
///
/// A value of native width with the two highest bits set.
///
#define MAX_2_BITS 0xC000000000000000ULL
///
/// Maximum legal Itanium-based address
///
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
///
/// Per the Itanium Software Conventions and Runtime Architecture Guide,
/// section 3.3.4, IPF stack must always be 16-byte aligned.
///
#define CPU_STACK_ALIGNMENT 16
//
// 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.
//
#ifdef EFIAPI
///
/// If EFIAPI is already defined, then we use that definition.
///
#elif defined(_MSC_EXTENSIONS)
///
/// Microsoft* compiler specific method for EFIAPI calling convension
///
#define EFIAPI __cdecl
#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 defined(_MSC_EXTENSIONS)
///
/// Remove global variable from the linked image if there are no references to
/// it after all compiler and linker optimizations have been performed.
///
///
#define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
#else
///
/// Remove global variable from the linked image if there are no references to
/// it after all compiler and linker optimizations have been performed.
///
///
#define GLOBAL_REMOVE_IF_UNREFERENCED
#endif
///
/// A pointer to a function in IPF points to a plabel.
///
typedef struct {
UINT64 EntryPoint;
UINT64 GP;
} EFI_PLABEL;
///
/// PAL Call return structure.
///
typedef struct {
UINT64 Status;
UINT64 r9;
UINT64 r10;
UINT64 r11;
} PAL_CALL_RETURN;
/**
Return the pointer to the first instruction of a function given a function pointer.
For Itanium processors, all function calls are made through a PLABEL, so a pointer to a function
is actually a pointer to a PLABEL. The pointer to the first instruction of the function
is contained within the PLABEL. This macro may be used to retrieve a pointer to the first
instruction of a function independent of the CPU architecture being used. This is very
useful when printing function addresses through DEBUG() macros.
@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)(((EFI_PLABEL *)(FunctionPointer))->EntryPoint)
#endif
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