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27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __ALIGN_H__ |
29 | #ifndef __ALIGN_H__ |
30 | #define __ALIGN_H__ |
30 | #define __ALIGN_H__ |
31 | 31 | ||
- | 32 | /** Align to the nearest higher address. |
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- | 33 | * |
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- | 34 | * @param s Address or size to be aligned. |
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- | 35 | * @param a Size of alignment. |
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- | 36 | */ |
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32 | #define ALIGN(s, a) ((s) % (a) ? (((s) / (a)) + 1) * (a) : (s)) |
37 | #define ALIGN_UP(s, a) ((s) % (a) ? (((s) / (a)) + 1) * (a) : (s)) |
- | 38 | ||
- | 39 | /** Align to the nearest lower address. |
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- | 40 | * |
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- | 41 | * @param s Address or size to be aligned. |
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- | 42 | * @param a Size of alignment. |
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- | 43 | */ |
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- | 44 | #define ALIGN_DOWN(s, a) ((s) & ~((a)-1)) |
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33 | 45 | ||
34 | #endif |
46 | #endif |