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/** @file
Processor or Compiler specific defines and types for AArch64.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Portions copyright (c) 2013, ARM Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __PROCESSOR_BIND_H__
#define __PROCESSOR_BIND_H__
///
/// Define the processor type so other code can make processor based choices
///
#define MDE_CPU_AARCH64
//
// Make sure we are using the correct packing rules per EFI specification
//
#ifndef __GNUC__
#pragma pack()
#endif
#if _MSC_EXTENSIONS
//
// use Microsoft* C compiler dependent integer width types
//
typedef unsigned __int64 UINT64;
typedef __int64 INT64;
typedef unsigned __int32 UINT32;
typedef __int32 INT32;
typedef unsigned short UINT16;
typedef unsigned short CHAR16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef signed char INT8;
#else
//
// Use ANSI C 2000 stdint.h integer width declarations
//
#include <stdint.h>
typedef uint8_t BOOLEAN;
typedef int8_t INT8;
typedef uint8_t UINT8;
typedef int16_t INT16;
typedef uint16_t UINT16;
typedef int32_t INT32;
typedef uint32_t UINT32;
typedef int64_t INT64;
typedef uint64_t UINT64;
typedef char CHAR8;
typedef uint16_t CHAR16;
#endif
///
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef UINT64 UINTN;
///
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef INT64 INTN;
//
// Processor specific defines
//
///
/// A value of native width with the highest bit set.
///
#define MAX_BIT 0x8000000000000000
///
/// A value of native width with the two highest bits set.
///
#define MAX_2_BITS 0xC000000000000000
///
/// The stack alignment required for AARCH64
///
#define CPU_STACK_ALIGNMENT 16
//
// Modifier to ensure that all protocol member functions and EFI intrinsics
// use the correct C calling convention. All protocol member functions and
// EFI intrinsics are required to modify their member functions with EFIAPI.
//
#define EFIAPI
#if defined(__GNUC__)
///
/// For GNU assembly code, .global or .globl can declare global symbols.
/// Define this macro to unify the usage.
///
#define ASM_GLOBAL .globl
#if !defined(__APPLE__)
///
/// ARM EABI defines that the linker should not manipulate call relocations
/// (do bl/blx conversion) unless the target symbol has function type.
/// CodeSourcery 2010.09 started requiring the .type to function properly
///
#define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function
#define GCC_ASM_EXPORT(func__) \
.global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\
.type ASM_PFX(func__), %function
#define GCC_ASM_IMPORT(func__) \
.extern _CONCATENATE (__USER_LABEL_PREFIX__, func__)
#else
//
// .type not supported by Apple Xcode tools
//
#define INTERWORK_FUNC(func__)
#define GCC_ASM_EXPORT(func__) \
.globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \
#define GCC_ASM_IMPORT(name)
#endif
#endif
/**
Return the pointer to the first instruction of a function given a function pointer.
On ARM CPU architectures, these two pointer values are the same,
so the implementation of this macro is very simple.
@param FunctionPointer A pointer to a function.
@return The pointer to the first instruction of a function given a function pointer.
**/
#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
#endif
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