17d7d1bf1SArnaldo Carvalho de Melo #ifndef _ASM_X86_DISABLED_FEATURES_H 27d7d1bf1SArnaldo Carvalho de Melo #define _ASM_X86_DISABLED_FEATURES_H 37d7d1bf1SArnaldo Carvalho de Melo 47d7d1bf1SArnaldo Carvalho de Melo /* These features, although they might be available in a CPU 57d7d1bf1SArnaldo Carvalho de Melo * will not be used because the compile options to support 67d7d1bf1SArnaldo Carvalho de Melo * them are not present. 77d7d1bf1SArnaldo Carvalho de Melo * 87d7d1bf1SArnaldo Carvalho de Melo * This code allows them to be checked and disabled at 97d7d1bf1SArnaldo Carvalho de Melo * compile time without an explicit #ifdef. Use 107d7d1bf1SArnaldo Carvalho de Melo * cpu_feature_enabled(). 117d7d1bf1SArnaldo Carvalho de Melo */ 127d7d1bf1SArnaldo Carvalho de Melo 137d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_INTEL_MPX 147d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_MPX 0 157d7d1bf1SArnaldo Carvalho de Melo #else 167d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) 177d7d1bf1SArnaldo Carvalho de Melo #endif 187d7d1bf1SArnaldo Carvalho de Melo 197d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_64 207d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) 217d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) 227d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) 237d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) 247d7d1bf1SArnaldo Carvalho de Melo #else 257d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_VME 0 267d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_K6_MTRR 0 277d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CYRIX_ARR 0 287d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CENTAUR_MCR 0 297d7d1bf1SArnaldo Carvalho de Melo #endif /* CONFIG_X86_64 */ 307d7d1bf1SArnaldo Carvalho de Melo 317d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS 327d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_PKU 0 337d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_OSPKE 0 347d7d1bf1SArnaldo Carvalho de Melo #else 357d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) 367d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) 377d7d1bf1SArnaldo Carvalho de Melo #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ 387d7d1bf1SArnaldo Carvalho de Melo 39*6e30437bSIngo Molnar #ifdef CONFIG_X86_5LEVEL 40*6e30437bSIngo Molnar # define DISABLE_LA57 0 41*6e30437bSIngo Molnar #else 42*6e30437bSIngo Molnar # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) 43*6e30437bSIngo Molnar #endif 44*6e30437bSIngo Molnar 457d7d1bf1SArnaldo Carvalho de Melo /* 467d7d1bf1SArnaldo Carvalho de Melo * Make sure to add features to the correct mask 477d7d1bf1SArnaldo Carvalho de Melo */ 487d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK0 (DISABLE_VME) 497d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK1 0 507d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK2 0 517d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) 527d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK4 0 537d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK5 0 547d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK6 0 557d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK7 0 567d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK8 0 577d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK9 (DISABLE_MPX) 587d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK10 0 597d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK11 0 607d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK12 0 617d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK13 0 627d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK14 0 637d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK15 0 64*6e30437bSIngo Molnar #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57) 65840b49baSArnaldo Carvalho de Melo #define DISABLED_MASK17 0 66840b49baSArnaldo Carvalho de Melo #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) 677d7d1bf1SArnaldo Carvalho de Melo 687d7d1bf1SArnaldo Carvalho de Melo #endif /* _ASM_X86_DISABLED_FEATURES_H */ 69