| #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 |
