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1 | /** @file\r |
2 | Processor or Compiler specific defines and types for ARM.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r | |
5 | Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials \r | |
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 | |
25 | // Make sure we are using the correct packing rules per EFI specification\r | |
26 | //\r | |
27 | #ifndef __GNUC__\r | |
28 | #pragma pack()\r | |
29 | #endif\r | |
30 | \r | |
31 | #if _MSC_EXTENSIONS \r | |
32 | //\r | |
33 | // use Microsoft* C complier dependent integer width types \r | |
34 | //\r | |
35 | typedef unsigned __int64 UINT64;\r | |
36 | typedef __int64 INT64;\r | |
37 | typedef unsigned __int32 UINT32;\r | |
38 | typedef __int32 INT32;\r | |
39 | typedef unsigned short UINT16;\r | |
40 | typedef unsigned short CHAR16;\r | |
41 | typedef short INT16;\r | |
42 | typedef unsigned char BOOLEAN;\r | |
43 | typedef unsigned char UINT8;\r | |
44 | typedef char CHAR8;\r | |
45 | typedef signed char INT8;\r | |
46 | #else\r | |
47 | //\r | |
48 | // Assume standard ARM alignment. \r | |
49 | //\r | |
50 | typedef unsigned long long UINT64;\r | |
51 | typedef long long INT64;\r | |
52 | typedef unsigned int UINT32;\r | |
53 | typedef int INT32;\r | |
54 | typedef unsigned short UINT16;\r | |
55 | typedef unsigned short CHAR16;\r | |
56 | typedef short INT16;\r | |
57 | typedef unsigned char BOOLEAN;\r | |
58 | typedef unsigned char UINT8;\r | |
59 | typedef char CHAR8;\r | |
60 | typedef signed char INT8;\r | |
61 | \r | |
62 | #define UINT8_MAX 0xff\r | |
63 | #endif\r | |
64 | \r | |
65 | ///\r | |
66 | /// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,\r | |
67 | /// 8 bytes on supported 64-bit processor instructions)\r | |
68 | ///\r | |
69 | typedef UINT32 UINTN;\r | |
70 | \r | |
71 | ///\r | |
72 | /// Signed 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 | |
75 | typedef INT32 INTN;\r | |
76 | \r | |
77 | //\r | |
78 | // Processor specific defines\r | |
79 | //\r | |
80 | \r | |
81 | ///\r | |
82 | /// A value of native width with the highest bit set.\r | |
83 | ///\r | |
84 | #define MAX_BIT 0x80000000\r | |
85 | \r | |
86 | ///\r | |
87 | /// A value of native width with the two highest bits set.\r | |
88 | ///\r | |
89 | #define MAX_2_BITS 0xC0000000\r | |
90 | \r | |
91 | ///\r | |
92 | /// Maximum legal ARM address\r | |
93 | ///\r | |
94 | #define MAX_ADDRESS 0xFFFFFFFF\r | |
95 | \r | |
96 | ///\r | |
97 | /// The stack alignment required for ARM\r | |
98 | ///\r | |
99 | #define CPU_STACK_ALIGNMENT sizeof(UINT64)\r | |
100 | \r | |
101 | //\r | |
102 | // Modifier to ensure that all protocol member functions and EFI intrinsics\r | |
103 | // use the correct C calling convention. All protocol member functions and\r | |
104 | // EFI intrinsics are required to modify their member functions with EFIAPI.\r | |
105 | //\r | |
106 | #define EFIAPI \r | |
107 | \r | |
108 | #if defined(__GNUC__)\r | |
109 | ///\r | |
110 | /// For GNU assembly code, .global or .globl can declare global symbols.\r | |
111 | /// Define this macro to unify the usage.\r | |
112 | ///\r | |
113 | #define ASM_GLOBAL .globl\r | |
114 | \r | |
115 | #if !defined(__APPLE__)\r | |
116 | ///\r | |
117 | /// ARM EABI defines that the linker should not manipulate call relocations\r | |
118 | /// (do bl/blx conversion) unless the target symbol has function type.\r | |
119 | /// CodeSourcery 2010.09 started requiring the .type to function properly\r | |
120 | ///\r | |
121 | #define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function\r | |
122 | \r | |
123 | #define GCC_ASM_EXPORT(func__) \\r | |
124 | .global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\\r | |
125 | .type ASM_PFX(func__), %function \r | |
126 | \r | |
127 | #define GCC_ASM_IMPORT(func__) \\r | |
128 | .extern _CONCATENATE (__USER_LABEL_PREFIX__, func__)\r | |
129 | \r | |
130 | #else\r | |
131 | //\r | |
132 | // .type not supported by Apple Xcode tools \r | |
133 | //\r | |
134 | #define INTERWORK_FUNC(func__) \r | |
135 | \r | |
136 | #define GCC_ASM_EXPORT(func__) \\r | |
137 | .globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \\r | |
138 | \r | |
139 | #define GCC_ASM_IMPORT(name) \r | |
140 | \r | |
141 | #endif\r | |
142 | #endif\r | |
143 | \r | |
144 | /**\r | |
145 | Return the pointer to the first instruction of a function given a function pointer.\r | |
146 | On ARM CPU architectures, these two pointer values are the same, \r | |
147 | so the implementation of this macro is very simple.\r | |
148 | \r | |
149 | @param FunctionPointer A pointer to a function.\r | |
150 | \r | |
151 | @return The pointer to the first instruction of a function given a function pointer.\r | |
152 | \r | |
153 | **/\r | |
154 | #define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)\r | |
155 | \r | |
156 | #endif\r | |
157 | \r | |
158 | \r |