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