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/** @file
Processor or Compiler specific defines and types for ARM.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __PROCESSOR_BIND_H__
#define __PROCESSOR_BIND_H__
///
/// Define the processor type so other code can make processor based choices
///
#define MDE_CPU_ARM
//
// Make sure we are using the correct packing rules per EFI specification
//
#ifndef __GNUC__
#pragma pack()
#endif
#if _MSC_EXTENSIONS
//
// use Microsoft* C complier dependent interger 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 char INT8;
#else
//
// Assume standard ARM alignment.
// Need to check portability of long long
//
typedef unsigned long long UINT64;
typedef long long INT64;
typedef unsigned int UINT32;
typedef int INT32;
typedef unsigned short UINT16;
typedef unsigned short CHAR16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef char INT8;
#endif
///
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef UINT32 UINTN;
///
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
/// 8 bytes on supported 64-bit processor instructions)
///
typedef INT32 INTN;
//
// Processor specific defines
//
///
/// A value of native width with the highest bit set.
///
#define MAX_BIT 0x80000000
///
/// A value of native width with the two highest bits set.
///
#define MAX_2_BITS 0xC0000000
///
/// Maximum legal ARM address
///
#define MAX_ADDRESS 0xFFFFFFFF
///
/// The stack alignment required for ARM
///
#define CPU_STACK_ALIGNMENT sizeof(UINT64)
//
// 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) \
.extern _CONCATENATE (__USER_LABEL_PREFIX__, 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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