#ifndef _ASM_X86_REQUIRED_FEATURES_H
  #define _ASM_X86_REQUIRED_FEATURES_H

  
  /* Define minimum CPUID feature set for kernel These bits are checked
     really early to actually display a visible error message before the
     kernel dies.  Make sure to assign features to the proper mask!
  
     Some requirements that are not in CPUID yet are also in the
     CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too.
  
     The real information is in arch/x86/Kconfig.cpu, this just converts
     the CONFIGs into a bitmask */
  
  #ifndef CONFIG_MATH_EMULATION
  # define NEED_FPU	(1<<(X86_FEATURE_FPU & 31))

  #else

  # define NEED_FPU	0
  #endif
  
  #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64)
  # define NEED_PAE	(1<<(X86_FEATURE_PAE & 31))

  #else
  # define NEED_PAE	0

  #endif
  
  #ifdef CONFIG_X86_CMPXCHG64
  # define NEED_CX8	(1<<(X86_FEATURE_CX8 & 31))
  #else

  # define NEED_CX8	0
  #endif
  
  #if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64)
  # define NEED_CMOV	(1<<(X86_FEATURE_CMOV & 31))
  #else
  # define NEED_CMOV	0
  #endif
  
  #ifdef CONFIG_X86_USE_3DNOW
  # define NEED_3DNOW	(1<<(X86_FEATURE_3DNOW & 31))
  #else
  # define NEED_3DNOW	0
  #endif

  #if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64)
  # define NEED_NOPL	(1<<(X86_FEATURE_NOPL & 31))
  #else
  # define NEED_NOPL	0
  #endif

  #ifdef CONFIG_X86_64

  #ifdef CONFIG_PARAVIRT
  /* Paravirtualized systems may not have PSE or PGE available */

  #define NEED_PSE	0

  #define NEED_PGE	0

  #else
  #define NEED_PSE	(1<<(X86_FEATURE_PSE) & 31)
  #define NEED_PGE	(1<<(X86_FEATURE_PGE) & 31)
  #endif
  #define NEED_MSR	(1<<(X86_FEATURE_MSR & 31))

  #define NEED_FXSR	(1<<(X86_FEATURE_FXSR & 31))
  #define NEED_XMM	(1<<(X86_FEATURE_XMM & 31))
  #define NEED_XMM2	(1<<(X86_FEATURE_XMM2 & 31))
  #define NEED_LM		(1<<(X86_FEATURE_LM & 31))
  #else
  #define NEED_PSE	0
  #define NEED_MSR	0
  #define NEED_PGE	0
  #define NEED_FXSR	0
  #define NEED_XMM	0
  #define NEED_XMM2	0
  #define NEED_LM		0
  #endif
  
  #define REQUIRED_MASK0	(NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\
  			 NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\
  			 NEED_XMM|NEED_XMM2)
  #define SSE_MASK	(NEED_XMM|NEED_XMM2)
  
  #define REQUIRED_MASK1	(NEED_LM|NEED_3DNOW)
  
  #define REQUIRED_MASK2	0

  #define REQUIRED_MASK3	(NEED_NOPL)

  #define REQUIRED_MASK4	0
  #define REQUIRED_MASK5	0
  #define REQUIRED_MASK6	0
  #define REQUIRED_MASK7	0

  #define REQUIRED_MASK8	0
  #define REQUIRED_MASK9	0

  #endif /* _ASM_X86_REQUIRED_FEATURES_H */