From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- tools/arch/x86/include/asm/disabled-features.h | 62 ++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 tools/arch/x86/include/asm/disabled-features.h (limited to 'tools/arch/x86/include/asm/disabled-features.h') diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h new file mode 100644 index 000000000..85599ad4d --- /dev/null +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -0,0 +1,62 @@ +#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_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)) +#else +# define DISABLE_VME 0 +# define DISABLE_K6_MTRR 0 +# define DISABLE_CYRIX_ARR 0 +# define DISABLE_CENTAUR_MCR 0 +#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 */ + +/* + * 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 0 +#define DISABLED_MASK5 0 +#define DISABLED_MASK6 0 +#define DISABLED_MASK7 0 +#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) +#define DISABLED_MASK17 0 +#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) + +#endif /* _ASM_X86_DISABLED_FEATURES_H */ -- cgit v1.2.3-54-g00ecf