projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7d7d1bf1 ACM |
1 | #ifndef _ASM_X86_DISABLED_FEATURES_H |
| 2 | #define _ASM_X86_DISABLED_FEATURES_H | |
| 3 | ||
| 4 | /* These features, although they might be available in a CPU | |
| 5 | * will not be used because the compile options to support | |
| 6 | * them are not present. | |
| 7 | * | |
| 8 | * This code allows them to be checked and disabled at | |
| 9 | * compile time without an explicit #ifdef. Use | |
| 10 | * cpu_feature_enabled(). | |
| 11 | */ | |
| 12 | ||
| 13 | #ifdef CONFIG_X86_INTEL_MPX | |
| 14 | # define DISABLE_MPX 0 | |
| 15 | #else | |
| 16 | # define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) | |
| 17 | #endif | |
| 18 | ||
| 19 | #ifdef CONFIG_X86_64 | |
| 20 | # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) | |
| 21 | # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) | |
| 22 | # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) | |
| 23 | # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) | |
| 24 | #else | |
| 25 | # define DISABLE_VME 0 | |
| 26 | # define DISABLE_K6_MTRR 0 | |
| 27 | # define DISABLE_CYRIX_ARR 0 | |
| 28 | # define DISABLE_CENTAUR_MCR 0 | |
| 29 | #endif /* CONFIG_X86_64 */ | |
| 30 | ||
| 31 | #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS | |
| 32 | # define DISABLE_PKU 0 | |
| 33 | # define DISABLE_OSPKE 0 | |
| 34 | #else | |
| 35 | # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) | |
| 36 | # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) | |
| 37 | #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ | |
| 38 | ||
| 39 | /* | |
| 40 | * Make sure to add features to the correct mask | |
| 41 | */ | |
| 42 | #define DISABLED_MASK0 (DISABLE_VME) | |
| 43 | #define DISABLED_MASK1 0 | |
| 44 | #define DISABLED_MASK2 0 | |
| 45 | #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) | |
| 46 | #define DISABLED_MASK4 0 | |
| 47 | #define DISABLED_MASK5 0 | |
| 48 | #define DISABLED_MASK6 0 | |
| 49 | #define DISABLED_MASK7 0 | |
| 50 | #define DISABLED_MASK8 0 | |
| 51 | #define DISABLED_MASK9 (DISABLE_MPX) | |
| 52 | #define DISABLED_MASK10 0 | |
| 53 | #define DISABLED_MASK11 0 | |
| 54 | #define DISABLED_MASK12 0 | |
| 55 | #define DISABLED_MASK13 0 | |
| 56 | #define DISABLED_MASK14 0 | |
| 57 | #define DISABLED_MASK15 0 | |
| 58 | #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE) | |
| 840b49ba ACM |
59 | #define DISABLED_MASK17 0 |
| 60 | #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) | |
| 7d7d1bf1 ACM |
61 | |
| 62 | #endif /* _ASM_X86_DISABLED_FEATURES_H */ |