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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5270 | serge | 1 | #ifndef _ASM_X86_DISABLED_FEATURES_H |
| 2 | #define _ASM_X86_DISABLED_FEATURES_H |
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| 3 | |||
| 4 | /* These features, although they might be available in a CPU |
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| 5 | * will not be used because the compile options to support |
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| 6 | * them are not present. |
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| 7 | * |
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| 8 | * This code allows them to be checked and disabled at |
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| 9 | * compile time without an explicit #ifdef. Use |
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| 10 | * cpu_feature_enabled(). |
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| 11 | */ |
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| 12 | |||
| 13 | #ifdef CONFIG_X86_INTEL_MPX |
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| 14 | # define DISABLE_MPX 0 |
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| 15 | #else |
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| 16 | # define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) |
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| 17 | #endif |
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| 18 | |||
| 19 | #ifdef CONFIG_X86_64 |
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| 20 | # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) |
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| 21 | # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) |
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| 22 | # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) |
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| 23 | # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) |
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| 24 | #else |
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| 25 | # define DISABLE_VME 0 |
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| 26 | # define DISABLE_K6_MTRR 0 |
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| 27 | # define DISABLE_CYRIX_ARR 0 |
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| 28 | # define DISABLE_CENTAUR_MCR 0 |
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| 29 | #endif /* CONFIG_X86_64 */ |
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| 30 | |||
| 7143 | serge | 31 | #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
| 32 | # define DISABLE_PKU 0 |
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| 33 | # define DISABLE_OSPKE 0 |
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| 34 | #else |
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| 35 | # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) |
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| 36 | # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) |
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| 37 | #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
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| 38 | |||
| 5270 | serge | 39 | /* |
| 40 | * Make sure to add features to the correct mask |
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| 41 | */ |
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| 42 | #define DISABLED_MASK0 (DISABLE_VME) |
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| 43 | #define DISABLED_MASK1 0 |
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| 44 | #define DISABLED_MASK2 0 |
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| 45 | #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
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| 46 | #define DISABLED_MASK4 0 |
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| 47 | #define DISABLED_MASK5 0 |
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| 48 | #define DISABLED_MASK6 0 |
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| 49 | #define DISABLED_MASK7 0 |
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| 50 | #define DISABLED_MASK8 0 |
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| 51 | #define DISABLED_MASK9 (DISABLE_MPX) |
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| 7143 | serge | 52 | #define DISABLED_MASK10 0 |
| 53 | #define DISABLED_MASK11 0 |
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| 54 | #define DISABLED_MASK12 0 |
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| 55 | #define DISABLED_MASK13 0 |
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| 56 | #define DISABLED_MASK14 0 |
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| 57 | #define DISABLED_MASK15 0 |
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| 58 | #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE) |
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| 5270 | serge | 59 | |
| 60 | #endif /* _ASM_X86_DISABLED_FEATURES_H */ |