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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup generic |
29 | /** @addtogroup generic |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef KERN_MACROS_H_ |
35 | #ifndef KERN_MACROS_H_ |
| 36 | #define KERN_MACROS_H_ |
36 | #define KERN_MACROS_H_ |
| 37 | 37 | ||
| 38 | #include <arch/types.h> |
38 | #ifndef __ASM__ |
| 39 | 39 | ||
| 40 | #define isdigit(d) (((d) >= '0') && ((d) <= '9')) |
- | |
| 41 | #define islower(c) (((c) >= 'a') && ((c) <= 'z')) |
- | |
| 42 | #define isupper(c) (((c) >= 'A') && ((c) <= 'Z')) |
- | |
| 43 | #define isalpha(c) (is_lower((c)) || is_upper((c))) |
- | |
| 44 | #define isalphanum(c) (is_alpha((c)) || is_digit((c))) |
- | |
| 45 | #define isspace(c) \ |
40 | #include <arch/types.h> |
| 46 | (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || ((c) == '\r')) |
- | |
| 47 | - | ||
| 48 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
- | |
| 49 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
- | |
| 50 | - | ||
| 51 | #define min3(a, b, c) ((a) < (b) ? (min(a, c)) : (min(b, c))) |
- | |
| 52 | #define max3(a, b, c) ((a) > (b) ? (max(a, c)) : (max(b, c))) |
- | |
| 53 | 41 | ||
| 54 | /** Return true if the intervals overlap. |
42 | /** Return true if the intervals overlap. |
| 55 | * |
43 | * |
| 56 | * @param s1 Start address of the first interval. |
44 | * @param s1 Start address of the first interval. |
| 57 | * @param sz1 Size of the first interval. |
45 | * @param sz1 Size of the first interval. |
| 58 | * @param s2 Start address of the second interval. |
46 | * @param s2 Start address of the second interval. |
| 59 | * @param sz2 Size of the second interval. |
47 | * @param sz2 Size of the second interval. |
| 60 | */ |
48 | */ |
| 61 | static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2) |
49 | static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2) |
| 62 | { |
50 | { |
| 63 | uintptr_t e1 = s1 + sz1; |
51 | uintptr_t e1 = s1 + sz1; |
| 64 | uintptr_t e2 = s2 + sz2; |
52 | uintptr_t e2 = s2 + sz2; |
| 65 | 53 | ||
| 66 | return ((s1 < e2) && (s2 < e1)); |
54 | return ((s1 < e2) && (s2 < e1)); |
| 67 | } |
55 | } |
| 68 | 56 | ||
| - | 57 | #endif /* __ASM__ */ |
|
| - | 58 | ||
| - | 59 | #define isdigit(d) (((d) >= '0') && ((d) <= '9')) |
|
| - | 60 | #define islower(c) (((c) >= 'a') && ((c) <= 'z')) |
|
| - | 61 | #define isupper(c) (((c) >= 'A') && ((c) <= 'Z')) |
|
| - | 62 | #define isalpha(c) (is_lower((c)) || is_upper((c))) |
|
| - | 63 | #define isalphanum(c) (is_alpha((c)) || is_digit((c))) |
|
| - | 64 | #define isspace(c) \ |
|
| - | 65 | (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || ((c) == '\r')) |
|
| - | 66 | ||
| - | 67 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
|
| - | 68 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
|
| - | 69 | ||
| - | 70 | #define min3(a, b, c) ((a) < (b) ? (min(a, c)) : (min(b, c))) |
|
| - | 71 | #define max3(a, b, c) ((a) > (b) ? (max(a, c)) : (max(b, c))) |
|
| - | 72 | ||
| 69 | /* Compute overlapping of physical addresses */ |
73 | /* Compute overlapping of physical addresses */ |
| 70 | #define PA_overlaps(x, szx, y, szy) \ |
74 | #define PA_overlaps(x, szx, y, szy) \ |
| 71 | overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy)) |
75 | overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy)) |
| 72 | 76 | ||
| 73 | #define SIZE2KB(size) ((size) >> 10) |
77 | #define SIZE2KB(size) ((size) >> 10) |
| 74 | #define SIZE2MB(size) ((size) >> 20) |
78 | #define SIZE2MB(size) ((size) >> 20) |
| 75 | 79 | ||
| 76 | #define KB2SIZE(kb) ((kb) << 10) |
80 | #define KB2SIZE(kb) ((kb) << 10) |
| 77 | #define MB2SIZE(mb) ((mb) << 20) |
81 | #define MB2SIZE(mb) ((mb) << 20) |
| 78 | 82 | ||
| 79 | #define STRING(arg) STRING_ARG(arg) |
83 | #define STRING(arg) STRING_ARG(arg) |
| 80 | #define STRING_ARG(arg) #arg |
84 | #define STRING_ARG(arg) #arg |
| 81 | 85 | ||
| 82 | /** Pseudorandom generator |
86 | /** Pseudorandom generator |
| 83 | * |
87 | * |
| 84 | * A pretty standard linear congruential pseudorandom |
88 | * A pretty standard linear congruential pseudorandom |
| 85 | * number generator (m = 2^32 or 2^64 depending on architecture). |
89 | * number generator (m = 2^32 or 2^64 depending on architecture). |
| 86 | * |
90 | * |
| 87 | */ |
91 | */ |
| 88 | #define RANDI(seed) \ |
92 | #define RANDI(seed) \ |
| 89 | ({ \ |
93 | ({ \ |
| 90 | (seed) = 1103515245 * (seed) + 12345; \ |
94 | (seed) = 1103515245 * (seed) + 12345; \ |
| 91 | (seed); \ |
95 | (seed); \ |
| 92 | }) |
96 | }) |
| 93 | 97 | ||
| 94 | #endif |
98 | #endif |
| 95 | 99 | ||
| 96 | /** @} |
100 | /** @} |
| 97 | */ |
101 | */ |
| 98 | 102 | ||