mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
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/** @file
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Processor or Compiler specific defines and types for AArch64.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Portions copyright (c) 2013, ARM Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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_AARCH64
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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 compiler dependent integer 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 signed char INT8;
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#else
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//
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// Assume standard AARCH64 alignment.
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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 signed char INT8;
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#define UINT8_MAX 0xff
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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 0x8000000000000000
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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 0xC000000000000000
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///
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/// The stack alignment required for AARCH64
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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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#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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#if !defined(__APPLE__)
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///
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/// ARM EABI defines that the linker should not manipulate call relocations
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/// (do bl/blx conversion) unless the target symbol has function type.
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/// CodeSourcery 2010.09 started requiring the .type to function properly
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///
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#define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function
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#define GCC_ASM_EXPORT(func__) \
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.global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\
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.type ASM_PFX(func__), %function
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#define GCC_ASM_IMPORT(func__) \
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.extern _CONCATENATE (__USER_LABEL_PREFIX__, func__)
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#else
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//
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// .type not supported by Apple Xcode tools
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//
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#define INTERWORK_FUNC(func__)
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#define GCC_ASM_EXPORT(func__) \
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.globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \
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#define GCC_ASM_IMPORT(name)
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#endif
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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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