| @@ -1,72 +1,74 @@ | | | @@ -1,72 +1,74 @@ |
1 | /* $NetBSD: kernel.h,v 1.1.2.14 2013/07/24 02:54:23 riastradh Exp $ */ | | 1 | /* $NetBSD: kernel.h,v 1.1.2.15 2013/07/24 02:56:17 riastradh Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 2013 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 2013 The NetBSD Foundation, Inc. |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Taylor R. Campbell. | | 8 | * by Taylor R. Campbell. |
9 | * | | 9 | * |
10 | * Redistribution and use in source and binary forms, with or without | | 10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions | | 11 | * modification, are permitted provided that the following conditions |
12 | * are met: | | 12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright | | 13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. | | 14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright | | 15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the | | 16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. | | 17 | * documentation and/or other materials provided with the distribution. |
18 | * | | 18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | | 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. | | 29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ | | 30 | */ |
31 | | | 31 | |
32 | #ifndef _LINUX_KERNEL_H_ | | 32 | #ifndef _LINUX_KERNEL_H_ |
33 | #define _LINUX_KERNEL_H_ | | 33 | #define _LINUX_KERNEL_H_ |
34 | | | 34 | |
35 | #include <sys/cdefs.h> | | 35 | #include <sys/cdefs.h> |
36 | #include <sys/types.h> | | 36 | #include <sys/types.h> |
37 | | | 37 | |
38 | #define __printf __printflike | | 38 | #define __printf __printflike |
39 | #define __user | | 39 | #define __user |
40 | #define __must_check /* __attribute__((warn_unused_result)), if GCC */ | | 40 | #define __must_check /* __attribute__((warn_unused_result)), if GCC */ |
41 | | | 41 | |
42 | #define barrier() __insn_barrier() | | 42 | #define barrier() __insn_barrier() |
43 | #define unlikely(X) __predict_false(X) | | 43 | #define unlikely(X) __predict_false(X) |
44 | | | 44 | |
| | | 45 | #define uninitialized_var(x) x |
| | | 46 | |
45 | #define container_of(PTR, TYPE, FIELD) \ | | 47 | #define container_of(PTR, TYPE, FIELD) \ |
46 | ((void)sizeof((PTR) - \ | | 48 | ((void)sizeof((PTR) - \ |
47 | &((TYPE *)(((char *)(PTR)) - \ | | 49 | &((TYPE *)(((char *)(PTR)) - \ |
48 | offsetof(TYPE, FIELD)))->FIELD), \ | | 50 | offsetof(TYPE, FIELD)))->FIELD), \ |
49 | ((TYPE *)(((char *)(PTR)) - offsetof(TYPE, FIELD)))) | | 51 | ((TYPE *)(((char *)(PTR)) - offsetof(TYPE, FIELD)))) |
50 | | | 52 | |
51 | #define ARRAY_SIZE(ARRAY) __arraycount(ARRAY) | | 53 | #define ARRAY_SIZE(ARRAY) __arraycount(ARRAY) |
52 | | | 54 | |
53 | #define swap(X, Y) do \ | | 55 | #define swap(X, Y) do \ |
54 | { \ | | 56 | { \ |
55 | /* XXX Kludge for type-safety. */ \ | | 57 | /* XXX Kludge for type-safety. */ \ |
56 | if (&(X) != &(Y)) { \ | | 58 | if (&(X) != &(Y)) { \ |
57 | CTASSERT(sizeof(X) == sizeof(Y)); \ | | 59 | CTASSERT(sizeof(X) == sizeof(Y)); \ |
58 | /* XXX Can't do this much better without typeof. */ \ | | 60 | /* XXX Can't do this much better without typeof. */ \ |
59 | char __swap_tmp[sizeof(X)]; \ | | 61 | char __swap_tmp[sizeof(X)]; \ |
60 | (void)memcpy(__swap_tmp, &(X), sizeof(X)); \ | | 62 | (void)memcpy(__swap_tmp, &(X), sizeof(X)); \ |
61 | (void)memcpy(&(X), &(Y), sizeof(X)); \ | | 63 | (void)memcpy(&(X), &(Y), sizeof(X)); \ |
62 | (void)memcpy(&(Y), __swap_tmp, sizeof(X)); \ | | 64 | (void)memcpy(&(Y), __swap_tmp, sizeof(X)); \ |
63 | } \ | | 65 | } \ |
64 | } while (0) | | 66 | } while (0) |
65 | | | 67 | |
66 | static inline int64_t | | 68 | static inline int64_t |
67 | abs64(int64_t x) | | 69 | abs64(int64_t x) |
68 | { | | 70 | { |
69 | return (x < 0? (-x) : x); | | 71 | return (x < 0? (-x) : x); |
70 | } | | 72 | } |
71 | | | 73 | |
72 | #endif /* _LINUX_KERNEL_H_ */ | | 74 | #endif /* _LINUX_KERNEL_H_ */ |