| #ifndef _ASM_X86_DISABLED_FEATURES_H |
| #define _ASM_X86_DISABLED_FEATURES_H |
| |
| /* These features, although they might be available in a CPU |
| * will not be used because the compile options to support |
| * them are not present. |
| * |
| * This code allows them to be checked and disabled at |
| * compile time without an explicit #ifdef. Use |
| * cpu_feature_enabled(). |
| */ |
| |
| #ifdef CONFIG_X86_INTEL_MPX |
| # define DISABLE_MPX 0 |
| #else |
| # define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) |
| #endif |
| |
| #ifdef CONFIG_X86_INTEL_UMIP |
| # define DISABLE_UMIP 0 |
| #else |
| # define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) |
| #endif |
| |
| #ifdef CONFIG_X86_64 |
| # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) |
| # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) |
| # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) |
| # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) |
| # define DISABLE_PCID 0 |
| #else |
| # define DISABLE_VME 0 |
| # define DISABLE_K6_MTRR 0 |
| # define DISABLE_CYRIX_ARR 0 |
| # define DISABLE_CENTAUR_MCR 0 |
| # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) |
| #endif /* CONFIG_X86_64 */ |
| |
| #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
| # define DISABLE_PKU 0 |
| # define DISABLE_OSPKE 0 |
| #else |
| # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) |
| # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) |
| #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
| |
| #ifdef CONFIG_X86_5LEVEL |
| # define DISABLE_LA57 0 |
| #else |
| # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) |
| #endif |
| |
| #ifdef CONFIG_PAGE_TABLE_ISOLATION |
| # define DISABLE_PTI 0 |
| #else |
| # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) |
| #endif |
| |
| /* |
| * Make sure to add features to the correct mask |
| */ |
| #define DISABLED_MASK0 (DISABLE_VME) |
| #define DISABLED_MASK1 0 |
| #define DISABLED_MASK2 0 |
| #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
| #define DISABLED_MASK4 (DISABLE_PCID) |
| #define DISABLED_MASK5 0 |
| #define DISABLED_MASK6 0 |
| #define DISABLED_MASK7 (DISABLE_PTI) |
| #define DISABLED_MASK8 0 |
| #define DISABLED_MASK9 (DISABLE_MPX) |
| #define DISABLED_MASK10 0 |
| #define DISABLED_MASK11 0 |
| #define DISABLED_MASK12 0 |
| #define DISABLED_MASK13 0 |
| #define DISABLED_MASK14 0 |
| #define DISABLED_MASK15 0 |
| #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP) |
| #define DISABLED_MASK17 0 |
| #define DISABLED_MASK18 0 |
| #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19) |
| |
| #endif /* _ASM_X86_DISABLED_FEATURES_H */ |
