1 /** @file 2 Processor or Compiler specific defines and types for AArch64. 3 4 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> 5 Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 6 Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> 7 8 This program and the accompanying materials 9 are licensed and made available under the terms and conditions of the BSD License 10 which accompanies this distribution. The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php 12 13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 15 16 **/ 17 18 #ifndef __PROCESSOR_BIND_H__ 19 #define __PROCESSOR_BIND_H__ 20 21 /// 22 /// Define the processor type so other code can make processor based choices 23 /// 24 #define MDE_CPU_AARCH64 25 26 // 27 // Make sure we are using the correct packing rules per EFI specification 28 // 29 #ifndef __GNUC__ 30 #pragma pack() 31 #endif 32 33 #if _MSC_EXTENSIONS 34 // 35 // use Microsoft* C compiler dependent integer width types 36 // 37 typedef unsigned __int64 UINT64; 38 typedef __int64 INT64; 39 typedef unsigned __int32 UINT32; 40 typedef __int32 INT32; 41 typedef unsigned short UINT16; 42 typedef unsigned short CHAR16; 43 typedef short INT16; 44 typedef unsigned char BOOLEAN; 45 typedef unsigned char UINT8; 46 typedef char CHAR8; 47 typedef signed char INT8; 48 #else 49 // 50 // Assume standard AARCH64 alignment. 51 // 52 typedef unsigned long long UINT64; 53 typedef long long INT64; 54 typedef unsigned int UINT32; 55 typedef int INT32; 56 typedef unsigned short UINT16; 57 typedef unsigned short CHAR16; 58 typedef short INT16; 59 typedef unsigned char BOOLEAN; 60 typedef unsigned char UINT8; 61 typedef char CHAR8; 62 typedef signed char INT8; 63 #endif 64 65 /// 66 /// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions, 67 /// 8 bytes on supported 64-bit processor instructions) 68 /// 69 typedef UINT64 UINTN; 70 71 /// 72 /// Signed value of native width. (4 bytes on supported 32-bit processor instructions, 73 /// 8 bytes on supported 64-bit processor instructions) 74 /// 75 typedef INT64 INTN; 76 77 // 78 // Processor specific defines 79 // 80 81 /// 82 /// A value of native width with the highest bit set. 83 /// 84 #define MAX_BIT 0x8000000000000000ULL 85 86 /// 87 /// A value of native width with the two highest bits set. 88 /// 89 #define MAX_2_BITS 0xC000000000000000ULL 90 91 /// 92 /// Maximum legal AARCH64 address 93 /// 94 #define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL 95 96 /// 97 /// Maximum legal AArch64 INTN and UINTN values. 98 /// 99 #define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL) 100 #define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL) 101 102 /// 103 /// The stack alignment required for AARCH64 104 /// 105 #define CPU_STACK_ALIGNMENT 16 106 107 // 108 // Modifier to ensure that all protocol member functions and EFI intrinsics 109 // use the correct C calling convention. All protocol member functions and 110 // EFI intrinsics are required to modify their member functions with EFIAPI. 111 // 112 #define EFIAPI 113 114 // When compiling with Clang, we still use GNU as for the assembler, so we still 115 // need to define the GCC_ASM* macros. 116 #if defined(__GNUC__) || defined(__clang__) 117 /// 118 /// For GNU assembly code, .global or .globl can declare global symbols. 119 /// Define this macro to unify the usage. 120 /// 121 #define ASM_GLOBAL .globl 122 123 #define GCC_ASM_EXPORT(func__) \ 124 .global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\ 125 .type ASM_PFX(func__), %function 126 127 #define GCC_ASM_IMPORT(func__) \ 128 .extern _CONCATENATE (__USER_LABEL_PREFIX__, func__) 129 130 #endif 131 132 /** 133 Return the pointer to the first instruction of a function given a function pointer. 134 On ARM CPU architectures, these two pointer values are the same, 135 so the implementation of this macro is very simple. 136 137 @param FunctionPointer A pointer to a function. 138 139 @return The pointer to the first instruction of a function given a function pointer. 140 141 **/ 142 #define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer) 143 144 #ifndef __USER_LABEL_PREFIX__ 145 #define __USER_LABEL_PREFIX__ 146 #endif 147 148 #endif 149
