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96a388de5d
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#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. Make sure to assign features to the proper mask!
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Some requirements that are not in CPUID yet are also in the
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CONFIG_X86_MINIMUM_CPU_FAMILY 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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#ifndef CONFIG_MATH_EMULATION
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# define NEED_FPU (1<<(X86_FEATURE_FPU & 31))
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#else
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# define NEED_FPU 0
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#endif
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#ifdef CONFIG_X86_PAE
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# define NEED_PAE (1<<(X86_FEATURE_PAE & 31))
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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 & 31))
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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_PAE
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# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31))
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#else
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# define NEED_CX8 0
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#endif
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#define REQUIRED_MASK0 (NEED_FPU|NEED_PAE|NEED_CMOV|NEED_CX8)
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#ifdef CONFIG_X86_USE_3DNOW
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# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31))
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#else
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# define NEED_3DNOW 0
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#endif
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#define REQUIRED_MASK1 (NEED_3DNOW)
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#define REQUIRED_MASK2 0
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#define REQUIRED_MASK3 0
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#define REQUIRED_MASK4 0
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#define REQUIRED_MASK5 0
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#define REQUIRED_MASK6 0
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#define REQUIRED_MASK7 0
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#endif
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