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97 lines
2.6 KiB
97 lines
2.6 KiB
#ifndef _ASM_X86_DISABLED_FEATURES_H |
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#define _ASM_X86_DISABLED_FEATURES_H |
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/* These features, although they might be available in a CPU |
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* will not be used because the compile options to support |
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* them are not present. |
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* |
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* This code allows them to be checked and disabled at |
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* compile time without an explicit #ifdef. Use |
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* cpu_feature_enabled(). |
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*/ |
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#ifdef CONFIG_X86_SMAP |
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# define DISABLE_SMAP 0 |
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#else |
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# define DISABLE_SMAP (1<<(X86_FEATURE_SMAP & 31)) |
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#endif |
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#ifdef CONFIG_X86_UMIP |
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# define DISABLE_UMIP 0 |
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#else |
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# define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) |
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#endif |
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#ifdef CONFIG_X86_64 |
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# define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) |
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# define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) |
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# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) |
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# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) |
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# define DISABLE_PCID 0 |
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#else |
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# define DISABLE_VME 0 |
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# define DISABLE_K6_MTRR 0 |
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# define DISABLE_CYRIX_ARR 0 |
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# define DISABLE_CENTAUR_MCR 0 |
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# define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) |
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#endif /* CONFIG_X86_64 */ |
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#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
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# define DISABLE_PKU 0 |
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# define DISABLE_OSPKE 0 |
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#else |
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# define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) |
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# define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) |
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#endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
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#ifdef CONFIG_X86_5LEVEL |
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# define DISABLE_LA57 0 |
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#else |
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# define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) |
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#endif |
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#ifdef CONFIG_PAGE_TABLE_ISOLATION |
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# define DISABLE_PTI 0 |
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#else |
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# define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) |
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#endif |
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#ifdef CONFIG_IOMMU_SUPPORT |
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# define DISABLE_ENQCMD 0 |
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#else |
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# define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31)) |
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#endif |
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#ifdef CONFIG_X86_SGX |
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# define DISABLE_SGX 0 |
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#else |
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# define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) |
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#endif |
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/* |
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* Make sure to add features to the correct mask |
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*/ |
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#define DISABLED_MASK0 (DISABLE_VME) |
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#define DISABLED_MASK1 0 |
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#define DISABLED_MASK2 0 |
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#define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
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#define DISABLED_MASK4 (DISABLE_PCID) |
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#define DISABLED_MASK5 0 |
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#define DISABLED_MASK6 0 |
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#define DISABLED_MASK7 (DISABLE_PTI) |
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#define DISABLED_MASK8 0 |
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#define DISABLED_MASK9 (DISABLE_SMAP|DISABLE_SGX) |
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#define DISABLED_MASK10 0 |
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#define DISABLED_MASK11 0 |
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#define DISABLED_MASK12 0 |
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#define DISABLED_MASK13 0 |
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#define DISABLED_MASK14 0 |
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#define DISABLED_MASK15 0 |
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#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \ |
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DISABLE_ENQCMD) |
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#define DISABLED_MASK17 0 |
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#define DISABLED_MASK18 0 |
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#define DISABLED_MASK19 0 |
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#define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 20) |
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#endif /* _ASM_X86_DISABLED_FEATURES_H */
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