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Source at commit 1444 created 12 years 11 months ago. By jrcs, Print the multiboot_magic | |
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1 | /*␊ |
2 | * Copyright (c) 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 | /*␊ |
33 | * This header is normally included from <libkern/OSByteOrder.h>. However,␊ |
34 | * <sys/_endian.h> also includes this in the case of little-endian␊ |
35 | * architectures, so that we can map OSByteOrder routines to the hton* and ntoh*␊ |
36 | * macros. This results in the asymmetry below; we only include␊ |
37 | * <libkern/arch/_OSByteOrder.h> for little-endian architectures.␊ |
38 | */␊ |
39 | ␊ |
40 | //#include <sys/_types.h>␊ |
41 | ␊ |
42 | /* Macros for swapping constant values in the preprocessing stage. */␊ |
43 | #define __DARWIN_OSSwapConstInt16(x) \␊ |
44 | ((__uint16_t)((((__uint16_t)(x) & 0xff00) >> 8) | \␊ |
45 | (((__uint16_t)(x) & 0x00ff) << 8)))␊ |
46 | ␊ |
47 | #define __DARWIN_OSSwapConstInt32(x) \␊ |
48 | ((__uint32_t)((((__uint32_t)(x) & 0xff000000) >> 24) | \␊ |
49 | (((__uint32_t)(x) & 0x00ff0000) >> 8) | \␊ |
50 | (((__uint32_t)(x) & 0x0000ff00) << 8) | \␊ |
51 | (((__uint32_t)(x) & 0x000000ff) << 24)))␊ |
52 | ␊ |
53 | #define __DARWIN_OSSwapConstInt64(x) \␊ |
54 | ((__uint64_t)((((__uint64_t)(x) & 0xff00000000000000ULL) >> 56) | \␊ |
55 | (((__uint64_t)(x) & 0x00ff000000000000ULL) >> 40) | \␊ |
56 | (((__uint64_t)(x) & 0x0000ff0000000000ULL) >> 24) | \␊ |
57 | (((__uint64_t)(x) & 0x000000ff00000000ULL) >> 8) | \␊ |
58 | (((__uint64_t)(x) & 0x00000000ff000000ULL) << 8) | \␊ |
59 | (((__uint64_t)(x) & 0x0000000000ff0000ULL) << 24) | \␊ |
60 | (((__uint64_t)(x) & 0x000000000000ff00ULL) << 40) | \␊ |
61 | (((__uint64_t)(x) & 0x00000000000000ffULL) << 56)))␊ |
62 | ␊ |
63 | #if defined(__GNUC__)␊ |
64 | ␊ |
65 | #if defined(__i386__) || defined(__x86_64__)␊ |
66 | #include <libkern/i386/_OSByteOrder.h>␊ |
67 | #endif␊ |
68 | ␊ |
69 | #if defined(__arm__)␊ |
70 | #include <libkern/arm/OSByteOrder.h>␊ |
71 | #endif␊ |
72 | ␊ |
73 | ␊ |
74 | #define __DARWIN_OSSwapInt16(x) \␊ |
75 | (__builtin_constant_p(x) ? __DARWIN_OSSwapConstInt16(x) : _OSSwapInt16(x))␊ |
76 | ␊ |
77 | #define __DARWIN_OSSwapInt32(x) \␊ |
78 | (__builtin_constant_p(x) ? __DARWIN_OSSwapConstInt32(x) : _OSSwapInt32(x))␊ |
79 | ␊ |
80 | #define __DARWIN_OSSwapInt64(x) \␊ |
81 | (__builtin_constant_p(x) ? __DARWIN_OSSwapConstInt64(x) : _OSSwapInt64(x))␊ |
82 | ␊ |
83 | #else /* ! __GNUC__ */␊ |
84 | ␊ |
85 | #if defined(__i386__) || defined(__x86_64__)␊ |
86 | ␊ |
87 | #if !defined(__DARWIN_OS_INLINE)␊ |
88 | # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L␊ |
89 | # define __DARWIN_OS_INLINE static inline␊ |
90 | # elif defined(__MWERKS__) || defined(__cplusplus)␊ |
91 | # define __DARWIN_OS_INLINE static inline␊ |
92 | # else␊ |
93 | # define __DARWIN_OS_INLINE static __inline__␊ |
94 | # endif␊ |
95 | #endif␊ |
96 | ␊ |
97 | __DARWIN_OS_INLINE␊ |
98 | uint16_t␊ |
99 | _OSSwapInt16(␊ |
100 | uint16_t␉␉␉data␊ |
101 | )␊ |
102 | {␊ |
103 | return __DARWIN_OSSwapConstInt16(data);␊ |
104 | }␊ |
105 | ␊ |
106 | __DARWIN_OS_INLINE␊ |
107 | uint32_t␊ |
108 | _OSSwapInt32(␊ |
109 | uint32_t␉␉␉data␊ |
110 | )␊ |
111 | {␊ |
112 | return __DARWIN_OSSwapConstInt32(data);␊ |
113 | }␊ |
114 | ␊ |
115 | __DARWIN_OS_INLINE␊ |
116 | uint64_t␊ |
117 | _OSSwapInt64(␊ |
118 | uint64_t␉␉␉data␊ |
119 | )␊ |
120 | {␊ |
121 | return __DARWIN_OSSwapConstInt64(data);␊ |
122 | }␊ |
123 | #endif␊ |
124 | ␊ |
125 | #define __DARWIN_OSSwapInt16(x) _OSSwapInt16(x)␊ |
126 | ␊ |
127 | #define __DARWIN_OSSwapInt32(x) _OSSwapInt32(x)␊ |
128 | ␊ |
129 | #define __DARWIN_OSSwapInt64(x) _OSSwapInt64(x)␊ |
130 | ␊ |
131 | #endif /* __GNUC__ */␊ |
132 | ␊ |
133 | #endif /* ! _OS__OSBYTEORDER_H */␊ |
134 |