| #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 |
