xref: /linux/tools/arch/x86/include/asm/disabled-features.h (revision 0b44cfb8e40f64cd72520be223414a7ef79c5d90)
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 
19*0b44cfb8SIngo Molnar #ifdef CONFIG_X86_INTEL_UMIP
20*0b44cfb8SIngo Molnar # define DISABLE_UMIP	0
21*0b44cfb8SIngo Molnar #else
22*0b44cfb8SIngo Molnar # define DISABLE_UMIP	(1<<(X86_FEATURE_UMIP & 31))
23*0b44cfb8SIngo Molnar #endif
24*0b44cfb8SIngo Molnar 
257d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_64
267d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_VME		(1<<(X86_FEATURE_VME & 31))
277d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_K6_MTRR	(1<<(X86_FEATURE_K6_MTRR & 31))
287d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CYRIX_ARR	(1<<(X86_FEATURE_CYRIX_ARR & 31))
297d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CENTAUR_MCR	(1<<(X86_FEATURE_CENTAUR_MCR & 31))
30549a3976SIngo Molnar # define DISABLE_PCID		0
317d7d1bf1SArnaldo Carvalho de Melo #else
327d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_VME		0
337d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_K6_MTRR	0
347d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CYRIX_ARR	0
357d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_CENTAUR_MCR	0
36549a3976SIngo Molnar # define DISABLE_PCID		(1<<(X86_FEATURE_PCID & 31))
377d7d1bf1SArnaldo Carvalho de Melo #endif /* CONFIG_X86_64 */
387d7d1bf1SArnaldo Carvalho de Melo 
397d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
407d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_PKU		0
417d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_OSPKE		0
427d7d1bf1SArnaldo Carvalho de Melo #else
437d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_PKU		(1<<(X86_FEATURE_PKU & 31))
447d7d1bf1SArnaldo Carvalho de Melo # define DISABLE_OSPKE		(1<<(X86_FEATURE_OSPKE & 31))
457d7d1bf1SArnaldo Carvalho de Melo #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */
467d7d1bf1SArnaldo Carvalho de Melo 
476e30437bSIngo Molnar #ifdef CONFIG_X86_5LEVEL
486e30437bSIngo Molnar # define DISABLE_LA57	0
496e30437bSIngo Molnar #else
506e30437bSIngo Molnar # define DISABLE_LA57	(1<<(X86_FEATURE_LA57 & 31))
516e30437bSIngo Molnar #endif
526e30437bSIngo Molnar 
537d7d1bf1SArnaldo Carvalho de Melo /*
547d7d1bf1SArnaldo Carvalho de Melo  * Make sure to add features to the correct mask
557d7d1bf1SArnaldo Carvalho de Melo  */
567d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK0	(DISABLE_VME)
577d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK1	0
587d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK2	0
597d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK3	(DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
60549a3976SIngo Molnar #define DISABLED_MASK4	(DISABLE_PCID)
617d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK5	0
627d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK6	0
637d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK7	0
647d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK8	0
657d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK9	(DISABLE_MPX)
667d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK10	0
677d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK11	0
687d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK12	0
697d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK13	0
707d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK14	0
717d7d1bf1SArnaldo Carvalho de Melo #define DISABLED_MASK15	0
72*0b44cfb8SIngo Molnar #define DISABLED_MASK16	(DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP)
73840b49baSArnaldo Carvalho de Melo #define DISABLED_MASK17	0
74840b49baSArnaldo Carvalho de Melo #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18)
757d7d1bf1SArnaldo Carvalho de Melo 
767d7d1bf1SArnaldo Carvalho de Melo #endif /* _ASM_X86_DISABLED_FEATURES_H */
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