projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ec481536 PA |
1 | #ifndef _ASM_REQUIRED_FEATURES_H |
| 2 | #define _ASM_REQUIRED_FEATURES_H 1 | |
| 3 | ||
| 4 | /* Define minimum CPUID feature set for kernel These bits are checked | |
| 5 | really early to actually display a visible error message before the | |
| 6 | kernel dies. Make sure to assign features to the proper mask! | |
| 7 | ||
| 8 | The real information is in arch/x86_64/Kconfig.cpu, this just converts | |
| 9 | the CONFIGs into a bitmask */ | |
| 10 | ||
| 11 | /* x86-64 baseline features */ | |
| 12 | #define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) | |
| 13 | #define NEED_PSE (1<<(X86_FEATURE_PSE & 31)) | |
| 14 | #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) | |
| 15 | #define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) | |
| 16 | #define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) | |
| 17 | #define NEED_PGE (1<<(X86_FEATURE_PGE & 31)) | |
| 18 | #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) | |
| 19 | #define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) | |
| 20 | #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) | |
| 21 | #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) | |
| 22 | ||
| 23 | #define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ | |
| 24 | NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ | |
| 25 | NEED_XMM|NEED_XMM2) | |
| 26 | #define SSE_MASK (NEED_XMM|NEED_XMM2) | |
| 27 | ||
| 28 | /* x86-64 baseline features */ | |
| 29 | #define NEED_LM (1<<(X86_FEATURE_LM & 31)) | |
| 30 | ||
| 31 | #ifdef CONFIG_X86_USE_3DNOW | |
| 32 | # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) | |
| 33 | #else | |
| 34 | # define NEED_3DNOW 0 | |
| 35 | #endif | |
| 36 | ||
| 37 | #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) | |
| 38 | ||
| 39 | #define REQUIRED_MASK2 0 | |
| 40 | #define REQUIRED_MASK3 0 | |
| 41 | #define REQUIRED_MASK4 0 | |
| 42 | #define REQUIRED_MASK5 0 | |
| 43 | #define REQUIRED_MASK6 0 | |
| 1d67953f | 44 | #define REQUIRED_MASK7 0 |
| ec481536 PA |
45 | |
| 46 | #endif |