mirror of https://github.com/acidanthera/audk.git
129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
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/** @file
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Processor or Compiler specific defines and types for ARM.
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Copyright (c) 2006 - 2009, Intel Corporation<BR>
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Portions copyright (c) 2008-2009 Apple Inc. All rights reserved.<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_ARM
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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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#ifndef __GNUC__
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#pragma pack()
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#endif
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#if _MSC_EXTENSIONS
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//
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// use Microsoft* C complier dependent interger width types
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//
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typedef unsigned __int64 UINT64;
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typedef __int64 INT64;
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typedef unsigned __int32 UINT32;
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typedef __int32 INT32;
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typedef unsigned short UINT16;
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typedef unsigned short CHAR16;
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typedef short INT16;
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typedef unsigned char BOOLEAN;
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typedef unsigned char UINT8;
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typedef char CHAR8;
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typedef char INT8;
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#else
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//
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// Assume standard ARM alignment.
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// Need to check portability of long long
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//
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typedef unsigned long long UINT64;
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typedef long long INT64;
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typedef unsigned int UINT32;
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typedef int INT32;
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typedef unsigned short UINT16;
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typedef unsigned short CHAR16;
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typedef short INT16;
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typedef unsigned char BOOLEAN;
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typedef unsigned char UINT8;
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typedef char CHAR8;
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typedef 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 UINT32 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 INT32 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 0x80000000
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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 0xC0000000
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///
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/// Maximum legal ARM address
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///
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#define MAX_ADDRESS 0xFFFFFFFF
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///
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/// The stack alignment required for ARM
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///
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#define CPU_STACK_ALIGNMENT sizeof(UINT64)
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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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#define EFIAPI
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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 ARM 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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#endif
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