forked from Minki/linux
35 lines
847 B
C
35 lines
847 B
C
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#ifndef _ASM_REQUIRED_FEATURES_H
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#define _ASM_REQUIRED_FEATURES_H 1
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/* Define minimum CPUID feature set for kernel These bits are checked
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really early to actually display a visible error message before the
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kernel dies. Only add word 0 bits here
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Some requirements that are not in CPUID yet are also in the
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CONFIG_X86_MINIMUM_CPU mode which is checked too.
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The real information is in arch/i386/Kconfig.cpu, this just converts
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the CONFIGs into a bitmask */
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#ifdef CONFIG_X86_PAE
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#define NEED_PAE (1<<X86_FEATURE_PAE)
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#else
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#define NEED_PAE 0
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#endif
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#ifdef CONFIG_X86_CMOV
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#define NEED_CMOV (1<<X86_FEATURE_CMOV)
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#else
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#define NEED_CMOV 0
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#endif
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#ifdef CONFIG_X86_CMPXCHG64
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#define NEED_CMPXCHG64 (1<<X86_FEATURE_CX8)
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#else
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#define NEED_CMPXCHG64 0
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#endif
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#define REQUIRED_MASK1 (NEED_PAE|NEED_CMOV|NEED_CMPXCHG64)
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#endif
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