| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
| 1 | /* $NetBSD: kernel.h,v 1.35 2021/12/19 01:24:57 riastradh Exp $ */ | | 1 | /* $NetBSD: kernel.h,v 1.36 2021/12/19 01:39:12 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. |
| @@ -63,41 +63,44 @@ | | | @@ -63,41 +63,44 @@ |
| 63 | | | 63 | |
| 64 | #define IS_BUILTIN(option) (1) /* Probably... */ | | 64 | #define IS_BUILTIN(option) (1) /* Probably... */ |
| 65 | #define IS_ENABLED(option) (option) | | 65 | #define IS_ENABLED(option) (option) |
| 66 | #define IS_REACHABLE(option) (option) | | 66 | #define IS_REACHABLE(option) (option) |
| 67 | | | 67 | |
| 68 | #define __printf __printflike | | 68 | #define __printf __printflike |
| 69 | #define __user | | 69 | #define __user |
| 70 | #if __GNUC_PREREQ__(4,0) /* not sure when but this will work */ | | 70 | #if __GNUC_PREREQ__(4,0) /* not sure when but this will work */ |
| 71 | #define __must_check __attribute__((warn_unused_result)) | | 71 | #define __must_check __attribute__((warn_unused_result)) |
| 72 | #else | | 72 | #else |
| 73 | #define __must_check /* nothing */ | | 73 | #define __must_check /* nothing */ |
| 74 | #endif | | 74 | #endif |
| 75 | #define __always_unused __unused | | 75 | #define __always_unused __unused |
| | | 76 | #define __maybe_unused __unused |
| 76 | #define noinline __noinline | | 77 | #define noinline __noinline |
| 77 | #define __deprecated /* nothing */ | | 78 | #define __deprecated /* nothing */ |
| 78 | | | 79 | |
| 79 | #define barrier() __insn_barrier() | | 80 | #define barrier() __insn_barrier() |
| 80 | #define likely(X) __predict_true(X) | | 81 | #define likely(X) __predict_true(X) |
| 81 | #define unlikely(X) __predict_false(X) | | 82 | #define unlikely(X) __predict_false(X) |
| 82 | | | 83 | |
| 83 | #define might_sleep ASSERT_SLEEPABLE | | 84 | #define might_sleep ASSERT_SLEEPABLE |
| 84 | | | 85 | |
| 85 | /* | | 86 | /* |
| 86 | * XXX Linux kludge to work around GCC uninitialized variable warning. | | 87 | * XXX Linux kludge to work around GCC uninitialized variable warning. |
| 87 | * Linux does `x = x', which is bollocks. | | 88 | * Linux does `x = x', which is bollocks. |
| 88 | */ | | 89 | */ |
| 89 | #define uninitialized_var(x) x = 0 | | 90 | #define uninitialized_var(x) x = 0 |
| 90 | | | 91 | |
| | | 92 | #define typecheck(T, X) ({(1 + 0*sizeof((T *)0 - &(X)));}) |
| | | 93 | |
| 91 | /* XXX These will multiply evaluate their arguments. */ | | 94 | /* XXX These will multiply evaluate their arguments. */ |
| 92 | #define min(X, Y) MIN(X, Y) | | 95 | #define min(X, Y) MIN(X, Y) |
| 93 | #define max(X, Y) MAX(X, Y) | | 96 | #define max(X, Y) MAX(X, Y) |
| 94 | | | 97 | |
| 95 | #define max_t(T, X, Y) MAX((T)(X), (T)(Y)) | | 98 | #define max_t(T, X, Y) MAX((T)(X), (T)(Y)) |
| 96 | #define min_t(T, X, Y) MIN((T)(X), (T)(Y)) | | 99 | #define min_t(T, X, Y) MIN((T)(X), (T)(Y)) |
| 97 | | | 100 | |
| 98 | #define clamp_t(T, X, MIN, MAX) min_t(T, max_t(T, X, MIN), MAX) | | 101 | #define clamp_t(T, X, MIN, MAX) min_t(T, max_t(T, X, MIN), MAX) |
| 99 | #define clamp(X, MN, MX) MIN(MAX(X, MN), MX) | | 102 | #define clamp(X, MN, MX) MIN(MAX(X, MN), MX) |
| 100 | #define clamp_val(X, MIN, MAX) clamp_t(typeof(X), X, MIN, MAX) | | 103 | #define clamp_val(X, MIN, MAX) clamp_t(typeof(X), X, MIN, MAX) |
| 101 | | | 104 | |
| 102 | #define min3(X, Y, Z) MIN(X, MIN(Y, Z)) | | 105 | #define min3(X, Y, Z) MIN(X, MIN(Y, Z)) |
| 103 | #define max3(X, Y, Z) MAX(X, MAX(Y, Z)) | | 106 | #define max3(X, Y, Z) MAX(X, MAX(Y, Z)) |