mirror of https://github.com/acidanthera/audk.git
436 lines
11 KiB
C
436 lines
11 KiB
C
/** @file
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Processor or Compiler specific defines and types for Intel Itanium(TM) processors.
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Copyright (c) 2006 - 2009, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PROCESSOR_BIND_H__
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#define __PROCESSOR_BIND_H__
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///
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/// Define the processor type so other code can make processor-based choices
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///
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#define MDE_CPU_IPF
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//
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// Make sure we are using the correct packing rules per EFI specification
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//
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#pragma pack()
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#if defined(__INTEL_COMPILER)
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//
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// Disable ICC's remark #869: "Parameter" was never referenced warning.
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// This is legal ANSI C code so we disable the remark that is turned on with -Wall
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//
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#pragma warning ( disable : 869 )
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//
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// Disable ICC's remark #1418: external function definition with no prior declaration.
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// This is legal ANSI C code so we disable the remark that is turned on with /W4
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//
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#pragma warning ( disable : 1418 )
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//
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// Disable ICC's remark #1419: external declaration in primary source file
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// This is legal ANSI C code so we disable the remark that is turned on with /W4
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//
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#pragma warning ( disable : 1419 )
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#endif
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#if defined(_MSC_EXTENSIONS)
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//
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// Disable warning that make it impossible to compile at /W4
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// This only works for Microsoft* tools
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//
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//
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// Disabling bitfield type checking warnings.
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//
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#pragma warning ( disable : 4214 )
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//
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// Disabling the unreferenced formal parameter warnings.
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//
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#pragma warning ( disable : 4100 )
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//
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// Disable slightly different base types warning as CHAR8 * can not be set
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// to a constant string.
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//
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#pragma warning ( disable : 4057 )
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//
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// Disable warning on conversion from function pointer to a data pointer
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//
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#pragma warning ( disable : 4054 )
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//
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// ASSERT(FALSE) or while (TRUE) are legal constructes so supress this warning
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//
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#pragma warning ( disable : 4127 )
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//
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// Can not cast a function pointer to a data pointer. We need to do this on
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// Itanium processors to get access to the PLABEL.
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//
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#pragma warning ( disable : 4514 )
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//
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// This warning is caused by functions defined but not used. For precompiled header only.
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//
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#pragma warning ( disable : 4505 )
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//
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// This warning is caused by empty (after preprocessing) source file. For precompiled header only.
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//
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#pragma warning ( disable : 4206 )
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#endif
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#if !defined (__STDC_VERSION__) || (__STDC_VERSION__) < 199901L
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//
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// No ANSI C 2000 stdint.h integer width declarations, so define equivalents
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//
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#if defined(_MSC_EXTENSIONS)
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//
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// use Microsoft C compiler dependent integer width types
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//
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///
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/// 8-byte unsigned value
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///
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typedef unsigned __int64 UINT64;
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///
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/// 8-byte signed value
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///
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typedef __int64 INT64;
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///
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/// 4-byte unsigned value
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///
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typedef unsigned __int32 UINT32;
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///
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/// 4-byte signed value
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///
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typedef __int32 INT32;
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///
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/// 2-byte unsigned value
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///
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typedef unsigned short UINT16;
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///
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/// 2-byte Character. Unless otherwise specified all strings are stored in the
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/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
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///
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typedef unsigned short CHAR16;
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///
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/// 2-byte signed value
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///
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typedef short INT16;
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///
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/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
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/// values are undefined.
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///
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typedef unsigned char BOOLEAN;
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///
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/// 1-byte unsigned value
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///
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typedef unsigned char UINT8;
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///
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/// 1-byte Character
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///
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typedef char CHAR8;
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///
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/// 1-byte signed value
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///
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typedef char INT8;
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#else
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#if defined(_EFI_P64)
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//
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// P64 - pointers being 64-bit and longs and ints are 32-bits.
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//
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///
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/// 8-byte unsigned value
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///
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typedef unsigned long long UINT64;
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///
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/// 8-byte signed value
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///
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typedef long long INT64;
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///
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/// 4-byte unsigned value
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///
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typedef unsigned int UINT32;
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///
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/// 4-byte signed value
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///
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typedef int INT32;
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///
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/// 2-byte Character. Unless otherwise specified all strings are stored in the
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/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
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///
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typedef unsigned short CHAR16;
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///
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/// 2-byte unsigned value
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///
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typedef unsigned short UINT16;
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///
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/// 2-byte signed value
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///
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typedef short INT16;
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///
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/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
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/// values are undefined.
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///
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typedef unsigned char BOOLEAN;
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///
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/// 1-byte unsigned value
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///
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typedef unsigned char UINT8;
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///
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/// 1-byte Character
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///
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typedef char CHAR8;
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///
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/// 1-byte signed value
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///
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typedef char INT8;
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#else
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//
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// Assume LP64 - longs and pointers are 64-bit. Ints are 32-bit.
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//
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///
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/// 8-byte unsigned value
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///
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typedef unsigned long UINT64;
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///
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/// 8-byte signed value
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///
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typedef long INT64;
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///
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/// 4-byte unsigned value
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///
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typedef unsigned int UINT32;
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///
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/// 4-byte signed value
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///
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typedef int INT32;
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///
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/// 2-byte unsigned value
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///
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typedef unsigned short UINT16;
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///
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/// 2-byte Character. Unless otherwise specified all strings are stored in the
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/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
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///
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typedef unsigned short CHAR16;
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///
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/// 2-byte signed value
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///
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typedef short INT16;
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///
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/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
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/// values are undefined.
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///
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typedef unsigned char BOOLEAN;
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///
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/// 1-byte unsigned value
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///
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typedef unsigned char UINT8;
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///
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/// 1-byte Character
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///
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typedef char CHAR8;
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///
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/// 1-byte signed value
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///
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typedef char INT8;
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#endif
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#endif
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#else
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//
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// Use ANSI C 2000 stdint.h integer width declarations
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//
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#include <stdint.h>
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///
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/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
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/// values are undefined.
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///
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typedef uint8_t BOOLEAN;
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///
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/// 1-byte signed value
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///
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typedef int8_t INT8;
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///
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/// 1-byte unsigned value
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///
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typedef uint8_t UINT8;
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///
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/// 2-byte signed value
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///
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typedef int16_t INT16;
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///
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/// 2-byte unsigned value
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///
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typedef uint16_t UINT16;
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///
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/// 4-byte signed value
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///
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typedef int32_t INT32;
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///
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/// 4-byte unsigned value
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///
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typedef uint32_t UINT32;
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///
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/// 8-byte signed value
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///
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typedef int64_t INT64;
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///
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/// 8-byte unsigned value
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///
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typedef uint64_t UINT64;
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///
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/// 1-byte Character
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///
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typedef char CHAR8;
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///
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/// 2-byte Character. Unless otherwise specified all strings are stored in the
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/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
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///
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typedef uint16_t CHAR16;
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#endif
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///
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/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
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/// 8 bytes on supported 64-bit processor instructions)
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///
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typedef UINT64 UINTN;
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///
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/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
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/// 8 bytes on supported 64-bit processor instructions)
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///
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typedef INT64 INTN;
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//
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// Processor specific defines
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//
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///
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/// A value of native width with the highest bit set.
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///
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#define MAX_BIT 0x8000000000000000ULL
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///
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/// A value of native width with the two highest bits set.
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///
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#define MAX_2_BITS 0xC000000000000000ULL
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///
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/// Maximum legal Itanium-based address
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///
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#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
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///
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/// Per the Itanium Software Conventions and Runtime Architecture Guide,
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/// section 3.3.4, IPF stack must always be 16-byte aligned.
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///
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#define CPU_STACK_ALIGNMENT 16
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//
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// Modifier to ensure that all protocol member functions and EFI intrinsics
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// use the correct C calling convention. All protocol member functions and
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// EFI intrinsics are required to modify their member functions with EFIAPI.
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//
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#ifdef EFIAPI
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///
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/// If EFIAPI is already defined, then we use that definition.
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///
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#elif defined(_MSC_EXTENSIONS)
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///
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/// Microsoft* compiler specific method for EFIAPI calling convension
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///
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#define EFIAPI __cdecl
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#else
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#define EFIAPI
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#endif
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//
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// The Microsoft* C compiler can removed references to unreferenced data items
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// if the /OPT:REF linker option is used. We defined a macro as this is a
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// a non standard extension
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//
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#if defined(_MSC_EXTENSIONS)
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///
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/// Remove global variable from the linked image if there are no references to
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/// it after all compiler and linker optimizations have been performed.
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///
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///
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#define GLOBAL_REMOVE_IF_UNREFERENCED __declspec(selectany)
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#else
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///
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/// Remove global variable from the linked image if there are no references to
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/// it after all compiler and linker optimizations have been performed.
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///
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///
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#define GLOBAL_REMOVE_IF_UNREFERENCED
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#endif
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///
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/// For GNU assembly code, .global or .globl can declare global symbols.
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/// Define this macro to unify the usage.
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///
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#define ASM_GLOBAL .globl
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///
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/// A pointer to a function in IPF points to a plabel.
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///
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typedef struct {
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UINT64 EntryPoint;
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UINT64 GP;
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} EFI_PLABEL;
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///
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/// PAL Call return structure.
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///
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typedef struct {
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UINT64 Status;
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UINT64 r9;
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UINT64 r10;
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UINT64 r11;
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} PAL_CALL_RETURN;
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/**
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Return the pointer to the first instruction of a function given a function pointer.
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For Itanium processors, all function calls are made through a PLABEL, so a pointer to a function
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is actually a pointer to a PLABEL. The pointer to the first instruction of the function
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is contained within the PLABEL. This macro may be used to retrieve a pointer to the first
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instruction of a function independent of the CPU architecture being used. This is very
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useful when printing function addresses through DEBUG() macros.
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@param FunctionPointer A pointer to a function.
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@return The pointer to the first instruction of a function given a function pointer.
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**/
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#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(((EFI_PLABEL *)(FunctionPointer))->EntryPoint)
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#endif
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