Dimitris Papastamos
6 years ago
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GitHub
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with
25 additions and
1 deletions
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include/lib/utils_def.h
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@ -16,7 +16,31 @@ |
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#define SIZE_FROM_LOG2_WORDS(n) (4 << (n)) |
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#define SIZE_FROM_LOG2_WORDS(n) (4 << (n)) |
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#define BIT(nr) (ULL(1) << (nr)) |
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#define BIT_32(nr) (U(1) << (nr)) |
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#define BIT_64(nr) (ULL(1) << (nr)) |
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#ifdef AARCH32 |
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#define BIT BIT_32 |
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#else |
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#define BIT BIT_64 |
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#endif |
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/*
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* Create a contiguous bitmask starting at bit position @l and ending at |
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* position @h. For example |
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* GENMASK_64(39, 21) gives us the 64bit vector 0x000000ffffe00000. |
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*/ |
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#define GENMASK_32(h, l) \ |
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(((~UINT32_C(0)) << (l)) & (~UINT32_C(0) >> (32 - 1 - (h)))) |
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#define GENMASK_64(h, l) \ |
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(((~UINT64_C(0)) << (l)) & (~UINT64_C(0) >> (64 - 1 - (h)))) |
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#ifdef AARCH32 |
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#define GENMASK GENMASK_32 |
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#else |
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#define GENMASK GENMASK_64 |
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#endif |
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/*
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/*
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* This variant of div_round_up can be used in macro definition but should not |
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* This variant of div_round_up can be used in macro definition but should not |
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