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45 lines
1.3 KiB
45 lines
1.3 KiB
#ifndef _ASM_X86_DISABLED_FEATURES_H |
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#define _ASM_X86_DISABLED_FEATURES_H |
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/* These features, although they might be available in a CPU |
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* will not be used because the compile options to support |
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* them are not present. |
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* |
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* This code allows them to be checked and disabled at |
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* compile time without an explicit #ifdef. Use |
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* cpu_feature_enabled(). |
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*/ |
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#ifdef CONFIG_X86_INTEL_MPX |
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# define DISABLE_MPX 0 |
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#else |
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# define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) |
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#endif |
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#ifdef CONFIG_X86_64 |
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# define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) |
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# define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) |
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# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) |
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# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) |
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#else |
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# define DISABLE_VME 0 |
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# define DISABLE_K6_MTRR 0 |
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# define DISABLE_CYRIX_ARR 0 |
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# define DISABLE_CENTAUR_MCR 0 |
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#endif /* CONFIG_X86_64 */ |
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/* |
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* Make sure to add features to the correct mask |
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*/ |
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#define DISABLED_MASK0 (DISABLE_VME) |
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#define DISABLED_MASK1 0 |
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#define DISABLED_MASK2 0 |
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#define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
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#define DISABLED_MASK4 0 |
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#define DISABLED_MASK5 0 |
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#define DISABLED_MASK6 0 |
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#define DISABLED_MASK7 0 |
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#define DISABLED_MASK8 0 |
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#define DISABLED_MASK9 (DISABLE_MPX) |
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#endif /* _ASM_X86_DISABLED_FEATURES_H */
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