mirror of https://github.com/acidanthera/audk.git
145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/** @file
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Processor or compiler specific defines and types for EBC.
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We currently only have one EBC complier so there may be some Intel compiler
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specific functions in this file.
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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_EBC
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//
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// Native integer types
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//
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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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///
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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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/// 2-byte signed value
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///
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typedef short INT16;
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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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/// 4-byte signed value
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///
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typedef int INT32;
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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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/// 8-byte signed value
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///
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typedef __int64 INT64;
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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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/// 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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/// "long" type scales to the processor native size with EBC compiler
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///
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typedef long INTN;
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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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/// "long" type scales to the processor native size with EBC compiler
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///
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typedef unsigned long UINTN;
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///
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/// A value of native width with the highest bit set.
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/// Scalable macro to set the most significant bit in a natural number
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///
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#define MAX_BIT (1ULL << (sizeof (INTN) * 8 - 1))
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///
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/// A value of native width with the two highest bits set.
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/// Scalable macro to set the most 2 significant bits in a natural number
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///
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#define MAX_2_BITS (3ULL << (sizeof (INTN) * 8 - 2))
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///
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/// Maximum legal EBC address
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///
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#define MAX_ADDRESS ((UINTN) ~0)
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///
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/// The stack alignment required for EBC
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///
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#define CPU_STACK_ALIGNMENT sizeof(UINTN)
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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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#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. Currently not supported by the EBC compiler
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///
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#define GLOBAL_REMOVE_IF_UNREFERENCED
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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 EBC 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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#endif
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