17d7d1bf1SArnaldo Carvalho de Melo #ifndef _ASM_X86_REQUIRED_FEATURES_H 27d7d1bf1SArnaldo Carvalho de Melo #define _ASM_X86_REQUIRED_FEATURES_H 37d7d1bf1SArnaldo Carvalho de Melo 47d7d1bf1SArnaldo Carvalho de Melo /* Define minimum CPUID feature set for kernel These bits are checked 57d7d1bf1SArnaldo Carvalho de Melo really early to actually display a visible error message before the 67d7d1bf1SArnaldo Carvalho de Melo kernel dies. Make sure to assign features to the proper mask! 77d7d1bf1SArnaldo Carvalho de Melo 87d7d1bf1SArnaldo Carvalho de Melo Some requirements that are not in CPUID yet are also in the 97d7d1bf1SArnaldo Carvalho de Melo CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. 107d7d1bf1SArnaldo Carvalho de Melo 117d7d1bf1SArnaldo Carvalho de Melo The real information is in arch/x86/Kconfig.cpu, this just converts 127d7d1bf1SArnaldo Carvalho de Melo the CONFIGs into a bitmask */ 137d7d1bf1SArnaldo Carvalho de Melo 147d7d1bf1SArnaldo Carvalho de Melo #ifndef CONFIG_MATH_EMULATION 157d7d1bf1SArnaldo Carvalho de Melo # define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) 167d7d1bf1SArnaldo Carvalho de Melo #else 177d7d1bf1SArnaldo Carvalho de Melo # define NEED_FPU 0 187d7d1bf1SArnaldo Carvalho de Melo #endif 197d7d1bf1SArnaldo Carvalho de Melo 207d7d1bf1SArnaldo Carvalho de Melo #if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) 217d7d1bf1SArnaldo Carvalho de Melo # define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) 227d7d1bf1SArnaldo Carvalho de Melo #else 237d7d1bf1SArnaldo Carvalho de Melo # define NEED_PAE 0 247d7d1bf1SArnaldo Carvalho de Melo #endif 257d7d1bf1SArnaldo Carvalho de Melo 267d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_CMPXCHG64 277d7d1bf1SArnaldo Carvalho de Melo # define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) 287d7d1bf1SArnaldo Carvalho de Melo #else 297d7d1bf1SArnaldo Carvalho de Melo # define NEED_CX8 0 307d7d1bf1SArnaldo Carvalho de Melo #endif 317d7d1bf1SArnaldo Carvalho de Melo 327d7d1bf1SArnaldo Carvalho de Melo #if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) 337d7d1bf1SArnaldo Carvalho de Melo # define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) 347d7d1bf1SArnaldo Carvalho de Melo #else 357d7d1bf1SArnaldo Carvalho de Melo # define NEED_CMOV 0 367d7d1bf1SArnaldo Carvalho de Melo #endif 377d7d1bf1SArnaldo Carvalho de Melo 387d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_USE_3DNOW 397d7d1bf1SArnaldo Carvalho de Melo # define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) 407d7d1bf1SArnaldo Carvalho de Melo #else 417d7d1bf1SArnaldo Carvalho de Melo # define NEED_3DNOW 0 427d7d1bf1SArnaldo Carvalho de Melo #endif 437d7d1bf1SArnaldo Carvalho de Melo 447d7d1bf1SArnaldo Carvalho de Melo #if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) 457d7d1bf1SArnaldo Carvalho de Melo # define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) 467d7d1bf1SArnaldo Carvalho de Melo #else 477d7d1bf1SArnaldo Carvalho de Melo # define NEED_NOPL 0 487d7d1bf1SArnaldo Carvalho de Melo #endif 497d7d1bf1SArnaldo Carvalho de Melo 507d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_MATOM 517d7d1bf1SArnaldo Carvalho de Melo # define NEED_MOVBE (1<<(X86_FEATURE_MOVBE & 31)) 527d7d1bf1SArnaldo Carvalho de Melo #else 537d7d1bf1SArnaldo Carvalho de Melo # define NEED_MOVBE 0 547d7d1bf1SArnaldo Carvalho de Melo #endif 557d7d1bf1SArnaldo Carvalho de Melo 566e30437bSIngo Molnar #ifdef CONFIG_X86_5LEVEL 576e30437bSIngo Molnar # define NEED_LA57 (1<<(X86_FEATURE_LA57 & 31)) 586e30437bSIngo Molnar #else 596e30437bSIngo Molnar # define NEED_LA57 0 606e30437bSIngo Molnar #endif 616e30437bSIngo Molnar 627d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_X86_64 637d7d1bf1SArnaldo Carvalho de Melo #ifdef CONFIG_PARAVIRT 647d7d1bf1SArnaldo Carvalho de Melo /* Paravirtualized systems may not have PSE or PGE available */ 657d7d1bf1SArnaldo Carvalho de Melo #define NEED_PSE 0 667d7d1bf1SArnaldo Carvalho de Melo #define NEED_PGE 0 677d7d1bf1SArnaldo Carvalho de Melo #else 687d7d1bf1SArnaldo Carvalho de Melo #define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) 697d7d1bf1SArnaldo Carvalho de Melo #define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) 707d7d1bf1SArnaldo Carvalho de Melo #endif 717d7d1bf1SArnaldo Carvalho de Melo #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) 727d7d1bf1SArnaldo Carvalho de Melo #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) 737d7d1bf1SArnaldo Carvalho de Melo #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) 747d7d1bf1SArnaldo Carvalho de Melo #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) 757d7d1bf1SArnaldo Carvalho de Melo #define NEED_LM (1<<(X86_FEATURE_LM & 31)) 767d7d1bf1SArnaldo Carvalho de Melo #else 777d7d1bf1SArnaldo Carvalho de Melo #define NEED_PSE 0 787d7d1bf1SArnaldo Carvalho de Melo #define NEED_MSR 0 797d7d1bf1SArnaldo Carvalho de Melo #define NEED_PGE 0 807d7d1bf1SArnaldo Carvalho de Melo #define NEED_FXSR 0 817d7d1bf1SArnaldo Carvalho de Melo #define NEED_XMM 0 827d7d1bf1SArnaldo Carvalho de Melo #define NEED_XMM2 0 837d7d1bf1SArnaldo Carvalho de Melo #define NEED_LM 0 847d7d1bf1SArnaldo Carvalho de Melo #endif 857d7d1bf1SArnaldo Carvalho de Melo 867d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ 877d7d1bf1SArnaldo Carvalho de Melo NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ 887d7d1bf1SArnaldo Carvalho de Melo NEED_XMM|NEED_XMM2) 897d7d1bf1SArnaldo Carvalho de Melo #define SSE_MASK (NEED_XMM|NEED_XMM2) 907d7d1bf1SArnaldo Carvalho de Melo 917d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) 927d7d1bf1SArnaldo Carvalho de Melo 937d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK2 0 947d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK3 (NEED_NOPL) 957d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK4 (NEED_MOVBE) 967d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK5 0 977d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK6 0 987d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK7 0 997d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK8 0 1007d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK9 0 1017d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK10 0 1027d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK11 0 1037d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK12 0 1047d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK13 0 1057d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK14 0 1067d7d1bf1SArnaldo Carvalho de Melo #define REQUIRED_MASK15 0 1076e30437bSIngo Molnar #define REQUIRED_MASK16 (NEED_LA57) 108840b49baSArnaldo Carvalho de Melo #define REQUIRED_MASK17 0 109840b49baSArnaldo Carvalho de Melo #define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 18) 1107d7d1bf1SArnaldo Carvalho de Melo 1117d7d1bf1SArnaldo Carvalho de Melo #endif /* _ASM_X86_REQUIRED_FEATURES_H */ 112