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348 lines
8.8 KiB
348 lines
8.8 KiB
4 years ago
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/** @file
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Processor or Compiler specific defines and types x64 (Intel 64, AMD64).
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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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_X64
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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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#if !defined(__GNUC__)
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#pragma pack()
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#endif
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#if defined(__GNUC__) && defined(__pic__) && !defined(USING_LTO)
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//
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// Mark all symbol declarations and references as hidden, meaning they will
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// not be subject to symbol preemption. This allows the compiler to refer to
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// symbols directly using relative references rather than via the GOT, which
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// contains absolute symbol addresses that are subject to runtime relocation.
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//
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// The LTO linker will not emit GOT based relocations when all symbol
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// references can be resolved locally, and so there is no need to set the
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// pragma in that case (and doing so will cause other issues).
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//
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#pragma GCC visibility push (hidden)
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#endif
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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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//
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// Disable ICC's remark #593: "Variable" was set but never used.
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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 : 593 )
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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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// ASSERT(FALSE) or while (TRUE) are legal constructs so suppress this warning
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//
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#pragma warning ( disable : 4127 )
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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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#if _MSC_VER == 1800 || _MSC_VER == 1900 || _MSC_VER >= 1910
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//
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// Disable these warnings for VS2013.
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//
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//
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// This warning is for potentially uninitialized local variable, and it may cause false
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// positive issues in VS2013 and VS2015 build
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//
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#pragma warning ( disable : 4701 )
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//
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// This warning is for potentially uninitialized local pointer variable, and it may cause
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// false positive issues in VS2013 and VS2015 build
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//
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#pragma warning ( disable : 4703 )
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#endif
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#endif
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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 signed char INT8;
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#else
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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 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 signed char INT8;
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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 x64 address
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///
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#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
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///
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/// Maximum usable address at boot time
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///
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#define MAX_ALLOC_ADDRESS MAX_ADDRESS
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///
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/// Maximum legal x64 INTN and UINTN values.
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///
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#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)
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#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)
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///
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/// Minimum legal x64 INTN value.
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///
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#define MIN_INTN (((INTN)-9223372036854775807LL) - 1)
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///
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/// The stack alignment required for x64
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///
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#define CPU_STACK_ALIGNMENT 16
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///
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/// Page allocation granularity for x64
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///
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#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
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#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)
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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 convention.
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///
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#define EFIAPI __cdecl
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#elif defined(__GNUC__)
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///
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/// Define the standard calling convention regardless of optimization level.
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/// The GCC support assumes a GCC compiler that supports the EFI ABI. The EFI
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/// ABI is much closer to the x64 Microsoft* ABI than standard x64 (x86-64)
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/// GCC ABI. Thus a standard x64 (x86-64) GCC compiler can not be used for
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/// x64. Warning the assembly code in the MDE x64 does not follow the correct
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/// ABI for the standard x64 (x86-64) GCC.
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///
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#define EFIAPI
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#else
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///
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/// The default for a non Microsoft* or GCC compiler is to assume the EFI ABI
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/// is the standard.
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///
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#define EFIAPI
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#endif
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#if defined(__GNUC__)
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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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#endif
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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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On x64 CPU architectures, these two pointer values are the same,
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so the implementation of this macro is very simple.
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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)(FunctionPointer)
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#ifndef __USER_LABEL_PREFIX__
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#define __USER_LABEL_PREFIX__
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#endif
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#endif
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