47 строки
1.4 KiB
C
47 строки
1.4 KiB
C
#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. Make sure to assign features to the proper mask!
|
|
|
|
The real information is in arch/x86_64/Kconfig.cpu, this just converts
|
|
the CONFIGs into a bitmask */
|
|
|
|
/* x86-64 baseline features */
|
|
#define NEED_FPU (1<<(X86_FEATURE_FPU & 31))
|
|
#define NEED_PSE (1<<(X86_FEATURE_PSE & 31))
|
|
#define NEED_MSR (1<<(X86_FEATURE_MSR & 31))
|
|
#define NEED_PAE (1<<(X86_FEATURE_PAE & 31))
|
|
#define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31))
|
|
#define NEED_PGE (1<<(X86_FEATURE_PGE & 31))
|
|
#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31))
|
|
#define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31))
|
|
#define NEED_XMM (1<<(X86_FEATURE_XMM & 31))
|
|
#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31))
|
|
|
|
#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)
|
|
|
|
/* x86-64 baseline features */
|
|
#define NEED_LM (1<<(X86_FEATURE_LM & 31))
|
|
|
|
#ifdef CONFIG_X86_USE_3DNOW
|
|
# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31))
|
|
#else
|
|
# define NEED_3DNOW 0
|
|
#endif
|
|
|
|
#define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW)
|
|
|
|
#define REQUIRED_MASK2 0
|
|
#define REQUIRED_MASK3 0
|
|
#define REQUIRED_MASK4 0
|
|
#define REQUIRED_MASK5 0
|
|
#define REQUIRED_MASK6 0
|
|
#define REQUIRED_MASK7 0
|
|
|
|
#endif
|