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/** @file
Processor or Compiler specific defines and types for ARM.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. 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_ARM
//
// Make sure we are using the correct packing rules per EFI specification
//
#if !defined (__GNUC__) && !defined (__ASSEMBLER__)
#pragma pack()
#endif
#if defined (_MSC_EXTENSIONS)
//
// Disable some level 4 compilation warnings (same as IA32 and X64)
//
//
// Disabling bitfield type checking warnings.
//
#pragma warning ( disable : 4214 )
//
// Disabling the unreferenced formal parameter warnings.
//
#pragma warning ( disable : 4100 )
//
// Disable slightly different base types warning as CHAR8 * can not be set
// to a constant string.
//
#pragma warning ( disable : 4057 )
//
// ASSERT(FALSE) or while (TRUE) are legal constructs so suppress this warning
//
#pragma warning ( disable : 4127 )
//
// This warning is caused by functions defined but not used. For precompiled header only.
//
#pragma warning ( disable : 4505 )
//
// This warning is caused by empty (after preprocessing) source file. For precompiled header only.
//
#pragma warning ( disable : 4206 )
//
// Disable 'potentially uninitialized local variable X used' warnings
//
#pragma warning ( disable : 4701 )
//
// Disable 'potentially uninitialized local pointer variable X used' warnings
//
#pragma warning ( disable : 4703 )
#endif
//
// RVCT and MSFT don't support the __builtin_unreachable() macro
//
#if defined (__ARMCC_VERSION) || defined (_MSC_EXTENSIONS)
#define UNREACHABLE()
#endif
#if defined (_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
//
// 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 signed 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
///
/// Maximum usable address at boot time
///
#define MAX_ALLOC_ADDRESS MAX_ADDRESS
///
/// Maximum legal ARM INTN and UINTN values.
///
#define MAX_INTN ((INTN)0x7FFFFFFF)
#define MAX_UINTN ((UINTN)0xFFFFFFFF)
///
/// Minimum legal ARM INTN value.
///
#define MIN_INTN (((INTN)-2147483647) - 1)
///
/// The stack alignment required for ARM
///
#define CPU_STACK_ALIGNMENT sizeof(UINT64)
///
/// Page allocation granularity for ARM
///
#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)
//
// 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
// When compiling with Clang, we still use GNU as for the assembler, so we still
// need to define the GCC_ASM* macros.
#if defined (__GNUC__) || defined (__clang__)
///
/// 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
#elif defined (_MSC_EXTENSIONS)
//
// PRESERVE8 is not supported by the MSFT assembler.
//
#define PRESERVE8
#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)
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__
#endif
#endif
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