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Source at commit 1165 created 13 years 10 days ago. By slice, new targets: make image and make pkg, Russian localization | |
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1 | /*␊ |
2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * This file contains Original Code and/or Modifications of Original Code␊ |
7 | * as defined in and that are subject to the Apple Public Source License␊ |
8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
9 | * compliance with the License. The rights granted to you under the License␊ |
10 | * may not be used to create, or enable the creation or redistribution of,␊ |
11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
13 | * terms of an Apple operating system software license agreement.␊ |
14 | * ␊ |
15 | * Please obtain a copy of the License at␊ |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
17 | * ␊ |
18 | * The Original Code and all software distributed under the License are␊ |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
23 | * Please see the License for the specific language governing rights and␊ |
24 | * limitations under the License.␊ |
25 | * ␊ |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
27 | */␊ |
28 | ␊ |
29 | #ifndef _OS_OSBYTEORDER_H␊ |
30 | #define _OS_OSBYTEORDER_H␊ |
31 | ␊ |
32 | #include <stdint.h>␊ |
33 | #include <libkern/_OSByteOrder.h>␊ |
34 | ␊ |
35 | /* Macros for swapping constant values in the preprocessing stage. */␊ |
36 | #define OSSwapConstInt16(x)␉__DARWIN_OSSwapConstInt16(x)␊ |
37 | #define OSSwapConstInt32(x)␉__DARWIN_OSSwapConstInt32(x)␊ |
38 | #define OSSwapConstInt64(x)␉__DARWIN_OSSwapConstInt64(x)␊ |
39 | ␊ |
40 | #if defined(__GNUC__)␊ |
41 | ␊ |
42 | #if (defined(__ppc__) || defined(__ppc64__))␊ |
43 | #include <libkern/ppc/OSByteOrder.h>␊ |
44 | #elif (defined(__i386__) || defined(__x86_64__))␊ |
45 | #include <libkern/i386/OSByteOrder.h>␊ |
46 | #elif defined(__arm__)␊ |
47 | #include <libkern/arm/OSByteOrder.h>␊ |
48 | #else␊ |
49 | #include <libkern/machine/OSByteOrder.h>␊ |
50 | #endif␊ |
51 | ␊ |
52 | #else /* ! __GNUC__ */␊ |
53 | ␊ |
54 | #include <libkern/machine/OSByteOrder.h>␊ |
55 | ␊ |
56 | #endif /* __GNUC__ */␊ |
57 | ␊ |
58 | #define OSSwapInt16(x)␉__DARWIN_OSSwapInt16(x)␊ |
59 | #define OSSwapInt32(x)␉__DARWIN_OSSwapInt32(x)␊ |
60 | #define OSSwapInt64(x)␉__DARWIN_OSSwapInt64(x)␊ |
61 | ␊ |
62 | enum {␊ |
63 | OSUnknownByteOrder,␊ |
64 | OSLittleEndian,␊ |
65 | OSBigEndian␊ |
66 | };␊ |
67 | ␊ |
68 | OS_INLINE␊ |
69 | int32_t␊ |
70 | OSHostByteOrder(void) {␊ |
71 | #if defined(__LITTLE_ENDIAN__)␊ |
72 | return OSLittleEndian;␊ |
73 | #elif defined(__BIG_ENDIAN__)␊ |
74 | return OSBigEndian;␊ |
75 | #else␊ |
76 | return OSUnknownByteOrder;␊ |
77 | #endif␊ |
78 | }␊ |
79 | ␊ |
80 | #define OSReadBigInt(x, y)␉␉OSReadBigInt32(x, y)␊ |
81 | #define OSWriteBigInt(x, y, z)␉␉OSWriteBigInt32(x, y, z)␊ |
82 | #define OSSwapBigToHostInt(x)␉␉OSSwapBigToHostInt32(x)␊ |
83 | #define OSSwapHostToBigInt(x)␉␉OSSwapHostToBigInt32(x)␊ |
84 | #define OSReadLittleInt(x, y)␉␉OSReadLittleInt32(x, y)␊ |
85 | #define OSWriteLittleInt(x, y, z)␉OSWriteLittleInt32(x, y, z)␊ |
86 | #define OSSwapHostToLittleInt(x)␉OSSwapHostToLittleInt32(x)␊ |
87 | #define OSSwapLittleToHostInt(x)␉OSSwapLittleToHostInt32(x)␊ |
88 | ␊ |
89 | /* Functions for loading native endian values. */␊ |
90 | ␊ |
91 | OS_INLINE␊ |
92 | uint16_t␊ |
93 | _OSReadInt16(␊ |
94 | const volatile void * base,␊ |
95 | uintptr_t byteOffset␊ |
96 | )␊ |
97 | {␊ |
98 | return *(volatile uint16_t *)((uintptr_t)base + byteOffset);␊ |
99 | }␊ |
100 | ␊ |
101 | OS_INLINE␊ |
102 | uint32_t␊ |
103 | _OSReadInt32(␊ |
104 | const volatile void * base,␊ |
105 | uintptr_t byteOffset␊ |
106 | )␊ |
107 | {␊ |
108 | return *(volatile uint32_t *)((uintptr_t)base + byteOffset);␊ |
109 | }␊ |
110 | ␊ |
111 | OS_INLINE␊ |
112 | uint64_t␊ |
113 | _OSReadInt64(␊ |
114 | const volatile void * base,␊ |
115 | uintptr_t byteOffset␊ |
116 | )␊ |
117 | {␊ |
118 | return *(volatile uint64_t *)((uintptr_t)base + byteOffset);␊ |
119 | }␊ |
120 | ␊ |
121 | /* Functions for storing native endian values. */␊ |
122 | ␊ |
123 | OS_INLINE␊ |
124 | void␊ |
125 | _OSWriteInt16(␊ |
126 | volatile void * base,␊ |
127 | uintptr_t byteOffset,␊ |
128 | uint16_t data␊ |
129 | )␊ |
130 | {␊ |
131 | *(volatile uint16_t *)((uintptr_t)base + byteOffset) = data;␊ |
132 | }␊ |
133 | ␊ |
134 | OS_INLINE␊ |
135 | void␊ |
136 | _OSWriteInt32(␊ |
137 | volatile void * base,␊ |
138 | uintptr_t byteOffset,␊ |
139 | uint32_t data␊ |
140 | )␊ |
141 | {␊ |
142 | *(volatile uint32_t *)((uintptr_t)base + byteOffset) = data;␊ |
143 | }␊ |
144 | ␊ |
145 | OS_INLINE␊ |
146 | void␊ |
147 | _OSWriteInt64(␊ |
148 | volatile void * base,␊ |
149 | uintptr_t byteOffset,␊ |
150 | uint64_t data␊ |
151 | )␊ |
152 | {␊ |
153 | *(volatile uint64_t *)((uintptr_t)base + byteOffset) = data;␊ |
154 | }␊ |
155 | ␊ |
156 | #if␉␉defined(__BIG_ENDIAN__)␊ |
157 | ␊ |
158 | /* Functions for loading big endian to host endianess. */␊ |
159 | ␊ |
160 | #define OSReadBigInt16(base, byteOffset) _OSReadInt16(base, byteOffset)␊ |
161 | #define OSReadBigInt32(base, byteOffset) _OSReadInt32(base, byteOffset)␊ |
162 | #define OSReadBigInt64(base, byteOffset) _OSReadInt64(base, byteOffset)␊ |
163 | ␊ |
164 | /* Functions for storing host endianess to big endian. */␊ |
165 | ␊ |
166 | #define OSWriteBigInt16(base, byteOffset, data) _OSWriteInt16(base, byteOffset, data)␊ |
167 | #define OSWriteBigInt32(base, byteOffset, data) _OSWriteInt32(base, byteOffset, data)␊ |
168 | #define OSWriteBigInt64(base, byteOffset, data) _OSWriteInt64(base, byteOffset, data)␊ |
169 | ␊ |
170 | /* Functions for loading little endian to host endianess. */␊ |
171 | ␊ |
172 | #define OSReadLittleInt16(base, byteOffset) OSReadSwapInt16(base, byteOffset)␊ |
173 | #define OSReadLittleInt32(base, byteOffset) OSReadSwapInt32(base, byteOffset)␊ |
174 | #define OSReadLittleInt64(base, byteOffset) OSReadSwapInt64(base, byteOffset)␊ |
175 | ␊ |
176 | /* Functions for storing host endianess to little endian. */␊ |
177 | ␊ |
178 | #define OSWriteLittleInt16(base, byteOffset, data) OSWriteSwapInt16(base, byteOffset, data)␊ |
179 | #define OSWriteLittleInt32(base, byteOffset, data) OSWriteSwapInt32(base, byteOffset, data)␊ |
180 | #define OSWriteLittleInt64(base, byteOffset, data) OSWriteSwapInt64(base, byteOffset, data)␊ |
181 | ␊ |
182 | /* Host endianess to big endian byte swapping macros for constants. */␊ |
183 | ␊ |
184 | #define OSSwapHostToBigConstInt16(x) ((uint16_t)(x))␊ |
185 | #define OSSwapHostToBigConstInt32(x) ((uint32_t)(x))␊ |
186 | #define OSSwapHostToBigConstInt64(x) ((uint64_t)(x))␊ |
187 | ␊ |
188 | /* Generic host endianess to big endian byte swapping functions. */␊ |
189 | ␊ |
190 | #define OSSwapHostToBigInt16(x) ((uint16_t)(x))␊ |
191 | #define OSSwapHostToBigInt32(x) ((uint32_t)(x))␊ |
192 | #define OSSwapHostToBigInt64(x) ((uint64_t)(x))␊ |
193 | ␊ |
194 | /* Host endianess to little endian byte swapping macros for constants. */␊ |
195 | ␊ |
196 | #define OSSwapHostToLittleConstInt16(x) OSSwapConstInt16(x)␊ |
197 | #define OSSwapHostToLittleConstInt32(x) OSSwapConstInt32(x) ␊ |
198 | #define OSSwapHostToLittleConstInt64(x) OSSwapConstInt64(x) ␊ |
199 | ␊ |
200 | /* Generic host endianess to little endian byte swapping functions. */␊ |
201 | ␊ |
202 | #define OSSwapHostToLittleInt16(x) OSSwapInt16(x)␊ |
203 | #define OSSwapHostToLittleInt32(x) OSSwapInt32(x)␊ |
204 | #define OSSwapHostToLittleInt64(x) OSSwapInt64(x)␊ |
205 | ␊ |
206 | /* Big endian to host endianess byte swapping macros for constants. */␊ |
207 | ␊ |
208 | #define OSSwapBigToHostConstInt16(x) ((uint16_t)(x))␊ |
209 | #define OSSwapBigToHostConstInt32(x) ((uint32_t)(x))␊ |
210 | #define OSSwapBigToHostConstInt64(x) ((uint64_t)(x))␊ |
211 | ␊ |
212 | /* Generic big endian to host endianess byte swapping functions. */␊ |
213 | ␊ |
214 | #define OSSwapBigToHostInt16(x) ((uint16_t)(x))␊ |
215 | #define OSSwapBigToHostInt32(x) ((uint32_t)(x))␊ |
216 | #define OSSwapBigToHostInt64(x) ((uint64_t)(x))␊ |
217 | ␊ |
218 | /* Little endian to host endianess byte swapping macros for constants. */␊ |
219 | ␊ |
220 | #define OSSwapLittleToHostConstInt16(x) OSSwapConstInt16(x)␊ |
221 | #define OSSwapLittleToHostConstInt32(x) OSSwapConstInt32(x)␊ |
222 | #define OSSwapLittleToHostConstInt64(x) OSSwapConstInt64(x)␊ |
223 | ␊ |
224 | /* Generic little endian to host endianess byte swapping functions. */␊ |
225 | ␊ |
226 | #define OSSwapLittleToHostInt16(x) OSSwapInt16(x)␊ |
227 | #define OSSwapLittleToHostInt32(x) OSSwapInt32(x)␊ |
228 | #define OSSwapLittleToHostInt64(x) OSSwapInt64(x)␊ |
229 | ␊ |
230 | #elif␉␉defined(__LITTLE_ENDIAN__)␊ |
231 | ␊ |
232 | /* Functions for loading big endian to host endianess. */␊ |
233 | ␊ |
234 | #define OSReadBigInt16(base, byteOffset) OSReadSwapInt16(base, byteOffset)␊ |
235 | #define OSReadBigInt32(base, byteOffset) OSReadSwapInt32(base, byteOffset)␊ |
236 | #define OSReadBigInt64(base, byteOffset) OSReadSwapInt64(base, byteOffset)␊ |
237 | ␊ |
238 | /* Functions for storing host endianess to big endian. */␊ |
239 | ␊ |
240 | #define OSWriteBigInt16(base, byteOffset, data) OSWriteSwapInt16(base, byteOffset, data)␊ |
241 | #define OSWriteBigInt32(base, byteOffset, data) OSWriteSwapInt32(base, byteOffset, data)␊ |
242 | #define OSWriteBigInt64(base, byteOffset, data) OSWriteSwapInt64(base, byteOffset, data)␊ |
243 | ␊ |
244 | /* Functions for loading little endian to host endianess. */␊ |
245 | ␊ |
246 | #define OSReadLittleInt16(base, byteOffset) _OSReadInt16(base, byteOffset)␊ |
247 | #define OSReadLittleInt32(base, byteOffset) _OSReadInt32(base, byteOffset)␊ |
248 | #define OSReadLittleInt64(base, byteOffset) _OSReadInt64(base, byteOffset)␊ |
249 | ␊ |
250 | /* Functions for storing host endianess to little endian. */␊ |
251 | ␊ |
252 | #define OSWriteLittleInt16(base, byteOffset, data) _OSWriteInt16(base, byteOffset, data)␊ |
253 | #define OSWriteLittleInt32(base, byteOffset, data) _OSWriteInt32(base, byteOffset, data)␊ |
254 | #define OSWriteLittleInt64(base, byteOffset, data) _OSWriteInt64(base, byteOffset, data)␊ |
255 | ␊ |
256 | /* Host endianess to big endian byte swapping macros for constants. */␊ |
257 | ␊ |
258 | #define OSSwapHostToBigConstInt16(x) OSSwapConstInt16(x)␊ |
259 | #define OSSwapHostToBigConstInt32(x) OSSwapConstInt32(x)␊ |
260 | #define OSSwapHostToBigConstInt64(x) OSSwapConstInt64(x)␊ |
261 | ␊ |
262 | /* Generic host endianess to big endian byte swapping functions. */␊ |
263 | ␊ |
264 | #define OSSwapHostToBigInt16(x) OSSwapInt16(x)␊ |
265 | #define OSSwapHostToBigInt32(x) OSSwapInt32(x)␊ |
266 | #define OSSwapHostToBigInt64(x) OSSwapInt64(x)␊ |
267 | ␊ |
268 | /* Host endianess to little endian byte swapping macros for constants. */␊ |
269 | ␊ |
270 | #define OSSwapHostToLittleConstInt16(x) ((uint16_t)(x))␊ |
271 | #define OSSwapHostToLittleConstInt32(x) ((uint32_t)(x))␊ |
272 | #define OSSwapHostToLittleConstInt64(x) ((uint64_t)(x)) ␊ |
273 | ␊ |
274 | /* Generic host endianess to little endian byte swapping functions. */␊ |
275 | ␊ |
276 | #define OSSwapHostToLittleInt16(x) ((uint16_t)(x))␊ |
277 | #define OSSwapHostToLittleInt32(x) ((uint32_t)(x))␊ |
278 | #define OSSwapHostToLittleInt64(x) ((uint64_t)(x))␊ |
279 | ␊ |
280 | /* Big endian to host endianess byte swapping macros for constants. */␊ |
281 | ␊ |
282 | #define OSSwapBigToHostConstInt16(x) OSSwapConstInt16(x)␊ |
283 | #define OSSwapBigToHostConstInt32(x) OSSwapConstInt32(x)␊ |
284 | #define OSSwapBigToHostConstInt64(x) OSSwapConstInt64(x)␊ |
285 | ␊ |
286 | /* Generic big endian to host endianess byte swapping functions. */␊ |
287 | ␊ |
288 | #define OSSwapBigToHostInt16(x) OSSwapInt16(x)␊ |
289 | #define OSSwapBigToHostInt32(x) OSSwapInt32(x)␊ |
290 | #define OSSwapBigToHostInt64(x) OSSwapInt64(x)␊ |
291 | ␊ |
292 | /* Little endian to host endianess byte swapping macros for constants. */␊ |
293 | ␊ |
294 | #define OSSwapLittleToHostConstInt16(x) ((uint16_t)(x))␊ |
295 | #define OSSwapLittleToHostConstInt32(x) ((uint32_t)(x))␊ |
296 | #define OSSwapLittleToHostConstInt64(x) ((uint64_t)(x))␊ |
297 | ␊ |
298 | /* Generic little endian to host endianess byte swapping functions. */␊ |
299 | ␊ |
300 | #define OSSwapLittleToHostInt16(x) ((uint16_t)(x))␊ |
301 | #define OSSwapLittleToHostInt32(x) ((uint32_t)(x))␊ |
302 | #define OSSwapLittleToHostInt64(x) ((uint64_t)(x))␊ |
303 | ␊ |
304 | #else␊ |
305 | #error Unknown endianess.␊ |
306 | #endif␊ |
307 | ␊ |
308 | #endif /* ! _OS_OSBYTEORDER_H */␊ |
309 | ␊ |
310 | ␊ |
311 |