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ebd04fc2 | 1 | /** @file\r |
2 | Processor or Compiler specific defines and types for ARM.\r | |
3 | \r | |
068a82fc | 4 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
9df063a0 HT |
5 | Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
6 | This program and the accompanying materials \r | |
ebd04fc2 | 7 | are licensed and made available under the terms and conditions of the BSD License \r |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef __PROCESSOR_BIND_H__\r | |
17 | #define __PROCESSOR_BIND_H__\r | |
18 | \r | |
19 | ///\r | |
20 | /// Define the processor type so other code can make processor based choices\r | |
21 | ///\r | |
22 | #define MDE_CPU_ARM\r | |
23 | \r | |
24 | //\r | |
ea3c1b3a | 25 | // Make sure we are using the correct packing rules per EFI specification\r |
ebd04fc2 | 26 | //\r |
5b8766bb | 27 | #if !defined(__GNUC__) && !defined(__ASSEMBLER__)\r |
ebd04fc2 | 28 | #pragma pack()\r |
29 | #endif\r | |
30 | \r | |
82df6187 AB |
31 | //\r |
32 | // RVCT does not support the __builtin_unreachable() macro\r | |
33 | //\r | |
34 | #ifdef __ARMCC_VERSION\r | |
35 | #define UNREACHABLE()\r | |
36 | #endif\r | |
37 | \r | |
ebd04fc2 | 38 | #if _MSC_EXTENSIONS \r |
39 | //\r | |
00b7cc0f | 40 | // use Microsoft* C compiler dependent integer width types\r |
ebd04fc2 | 41 | //\r |
42 | typedef unsigned __int64 UINT64;\r | |
43 | typedef __int64 INT64;\r | |
44 | typedef unsigned __int32 UINT32;\r | |
45 | typedef __int32 INT32;\r | |
46 | typedef unsigned short UINT16;\r | |
47 | typedef unsigned short CHAR16;\r | |
48 | typedef short INT16;\r | |
49 | typedef unsigned char BOOLEAN;\r | |
50 | typedef unsigned char UINT8;\r | |
51 | typedef char CHAR8;\r | |
d22ebbe3 | 52 | typedef signed char INT8;\r |
ebd04fc2 | 53 | #else\r |
54 | //\r | |
55 | // Assume standard ARM alignment. \r | |
56 | // Need to check portability of long long\r | |
57 | //\r | |
58 | typedef unsigned long long UINT64;\r | |
59 | typedef long long INT64;\r | |
60 | typedef unsigned int UINT32;\r | |
61 | typedef int INT32;\r | |
62 | typedef unsigned short UINT16;\r | |
63 | typedef unsigned short CHAR16;\r | |
64 | typedef short INT16;\r | |
65 | typedef unsigned char BOOLEAN;\r | |
66 | typedef unsigned char UINT8;\r | |
67 | typedef char CHAR8;\r | |
d22ebbe3 | 68 | typedef signed char INT8;\r |
ebd04fc2 | 69 | #endif\r |
70 | \r | |
4e094cba | 71 | ///\r |
72 | /// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,\r | |
73 | /// 8 bytes on supported 64-bit processor instructions)\r | |
74 | ///\r | |
ebd04fc2 | 75 | typedef UINT32 UINTN;\r |
76 | \r | |
4e094cba | 77 | ///\r |
78 | /// Signed value of native width. (4 bytes on supported 32-bit processor instructions,\r | |
79 | /// 8 bytes on supported 64-bit processor instructions)\r | |
80 | ///\r | |
ebd04fc2 | 81 | typedef INT32 INTN;\r |
82 | \r | |
83 | //\r | |
84 | // Processor specific defines\r | |
85 | //\r | |
4e094cba | 86 | \r |
87 | ///\r | |
88 | /// A value of native width with the highest bit set.\r | |
89 | ///\r | |
ebd04fc2 | 90 | #define MAX_BIT 0x80000000\r |
91 | \r | |
4e094cba | 92 | ///\r |
93 | /// A value of native width with the two highest bits set.\r | |
94 | ///\r | |
ebd04fc2 | 95 | #define MAX_2_BITS 0xC0000000\r |
96 | \r | |
97 | ///\r | |
98 | /// Maximum legal ARM address\r | |
99 | ///\r | |
100 | #define MAX_ADDRESS 0xFFFFFFFF\r | |
101 | \r | |
068a82fc LG |
102 | ///\r |
103 | /// Maximum legal ARM INTN and UINTN values.\r | |
104 | ///\r | |
105 | #define MAX_INTN ((INTN)0x7FFFFFFF)\r | |
106 | #define MAX_UINTN ((UINTN)0xFFFFFFFF)\r | |
107 | \r | |
ebd04fc2 | 108 | ///\r |
109 | /// The stack alignment required for ARM\r | |
110 | ///\r | |
111 | #define CPU_STACK_ALIGNMENT sizeof(UINT64)\r | |
112 | \r | |
08855193 AB |
113 | ///\r |
114 | /// Page allocation granularity for ARM\r | |
115 | ///\r | |
116 | #define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)\r | |
117 | #define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)\r | |
118 | \r | |
ebd04fc2 | 119 | //\r |
120 | // Modifier to ensure that all protocol member functions and EFI intrinsics\r | |
121 | // use the correct C calling convention. All protocol member functions and\r | |
ea3c1b3a | 122 | // EFI intrinsics are required to modify their member functions with EFIAPI.\r |
ebd04fc2 | 123 | //\r |
124 | #define EFIAPI \r | |
125 | \r | |
ba0a34f1 OM |
126 | // When compiling with Clang, we still use GNU as for the assembler, so we still\r |
127 | // need to define the GCC_ASM* macros.\r | |
128 | #if defined(__GNUC__) || defined(__clang__)\r | |
ebd04fc2 | 129 | ///\r |
130 | /// For GNU assembly code, .global or .globl can declare global symbols.\r | |
131 | /// Define this macro to unify the usage.\r | |
132 | ///\r | |
133 | #define ASM_GLOBAL .globl\r | |
e7cb469e | 134 | \r |
135 | #if !defined(__APPLE__)\r | |
136 | ///\r | |
137 | /// ARM EABI defines that the linker should not manipulate call relocations\r | |
138 | /// (do bl/blx conversion) unless the target symbol has function type.\r | |
139 | /// CodeSourcery 2010.09 started requiring the .type to function properly\r | |
140 | ///\r | |
141 | #define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function\r | |
4c8a6e06 | 142 | \r |
143 | #define GCC_ASM_EXPORT(func__) \\r | |
144 | .global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\\r | |
145 | .type ASM_PFX(func__), %function \r | |
146 | \r | |
147 | #define GCC_ASM_IMPORT(func__) \\r | |
148 | .extern _CONCATENATE (__USER_LABEL_PREFIX__, func__)\r | |
149 | \r | |
e7cb469e | 150 | #else\r |
151 | //\r | |
152 | // .type not supported by Apple Xcode tools \r | |
153 | //\r | |
4c8a6e06 | 154 | #define INTERWORK_FUNC(func__) \r |
155 | \r | |
156 | #define GCC_ASM_EXPORT(func__) \\r | |
157 | .globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \\r | |
158 | \r | |
6ced2e11 | 159 | #define GCC_ASM_IMPORT(name) \r |
4c8a6e06 | 160 | \r |
e7cb469e | 161 | #endif\r |
ebd04fc2 | 162 | #endif\r |
163 | \r | |
4e094cba | 164 | /**\r |
165 | Return the pointer to the first instruction of a function given a function pointer.\r | |
166 | On ARM CPU architectures, these two pointer values are the same, \r | |
167 | so the implementation of this macro is very simple.\r | |
168 | \r | |
169 | @param FunctionPointer A pointer to a function.\r | |
170 | \r | |
171 | @return The pointer to the first instruction of a function given a function pointer.\r | |
172 | \r | |
173 | **/\r | |
1afe0401 | 174 | #define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)\r |
ebd04fc2 | 175 | \r |
02eef553 JJ |
176 | #ifndef __USER_LABEL_PREFIX__\r |
177 | #define __USER_LABEL_PREFIX__\r | |
178 | #endif\r | |
179 | \r | |
ebd04fc2 | 180 | #endif\r |
4c8a6e06 | 181 | \r |
182 | \r |