/** @file | |
Processor or Compiler specific defines and types for AArch64. | |
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> | |
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
Portions copyright (c) 2011 - 2013, ARM Ltd. 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_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 | |
// | |
// Assume standard AARCH64 alignment. | |
// | |
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 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 0x8000000000000000ULL | |
/// | |
/// A value of native width with the two highest bits set. | |
/// | |
#define MAX_2_BITS 0xC000000000000000ULL | |
/// | |
/// Maximum legal AARCH64 address | |
/// | |
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL | |
/// | |
/// Maximum legal AArch64 INTN and UINTN values. | |
/// | |
#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL) | |
#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL) | |
/// | |
/// The stack alignment required for AARCH64 | |
/// | |
#define CPU_STACK_ALIGNMENT 16 | |
/// | |
/// Page allocation granularity for AARCH64 | |
/// | |
#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000) | |
#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x10000) | |
// | |
// 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 | |
#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__) | |
#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 |