/* * cpufeature.h * * Defines x86 CPU feature bits */ #ifndef __ASM_I386_CPUFEATURE_H #define __ASM_I386_CPUFEATURE_H #include #include #define cpufeat_word(idx) ((idx) / 32) #define cpufeat_bit(idx) ((idx) % 32) #define cpufeat_mask(idx) (_AC(1, U) << cpufeat_bit(idx)) /* An alias of a feature we know is always going to be present. */ #define X86_FEATURE_ALWAYS X86_FEATURE_LM #ifndef __ASSEMBLY__ #include #define cpu_has(c, bit) test_bit(bit, (c)->x86_capability) #define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability) #define CPUID_PM_LEAF 6 #define CPUID6_ECX_APERFMPERF_CAPABILITY 0x1 /* CPUID level 0x00000001.edx */ #define cpu_has_fpu 1 #define cpu_has_de 1 #define cpu_has_pse 1 #define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC) #define cpu_has_sep boot_cpu_has(X86_FEATURE_SEP) #define cpu_has_mtrr 1 #define cpu_has_pge 1 #define cpu_has_pse36 boot_cpu_has(X86_FEATURE_PSE36) #define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH) #define cpu_has_mmx 1 #define cpu_has_htt boot_cpu_has(X86_FEATURE_HTT) /* CPUID level 0x00000001.ecx */ #define cpu_has_sse3 boot_cpu_has(X86_FEATURE_SSE3) #define cpu_has_pclmulqdq boot_cpu_has(X86_FEATURE_PCLMULQDQ) #define cpu_has_monitor boot_cpu_has(X86_FEATURE_MONITOR) #define cpu_has_vmx boot_cpu_has(X86_FEATURE_VMX) #define cpu_has_eist boot_cpu_has(X86_FEATURE_EIST) #define cpu_has_ssse3 boot_cpu_has(X86_FEATURE_SSSE3) #define cpu_has_fma boot_cpu_has(X86_FEATURE_FMA) #define cpu_has_cx16 boot_cpu_has(X86_FEATURE_CX16) #define cpu_has_pdcm boot_cpu_has(X86_FEATURE_PDCM) #define cpu_has_pcid boot_cpu_has(X86_FEATURE_PCID) #define cpu_has_sse4_1 boot_cpu_has(X86_FEATURE_SSE4_1) #define cpu_has_sse4_2 boot_cpu_has(X86_FEATURE_SSE4_2) #define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC) #define cpu_has_popcnt boot_cpu_has(X86_FEATURE_POPCNT) #define cpu_has_aesni boot_cpu_has(X86_FEATURE_AESNI) #define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) #define cpu_has_avx boot_cpu_has(X86_FEATURE_AVX) #define cpu_has_f16c boot_cpu_has(X86_FEATURE_F16C) #define cpu_has_rdrand boot_cpu_has(X86_FEATURE_RDRAND) #define cpu_has_hypervisor boot_cpu_has(X86_FEATURE_HYPERVISOR) /* CPUID level 0x80000001.edx */ #define cpu_has_nx boot_cpu_has(X86_FEATURE_NX) #define cpu_has_page1gb boot_cpu_has(X86_FEATURE_PAGE1GB) #define cpu_has_rdtscp boot_cpu_has(X86_FEATURE_RDTSCP) #define cpu_has_3dnow_ext boot_cpu_has(X86_FEATURE_3DNOWEXT) #define cpu_has_3dnow boot_cpu_has(X86_FEATURE_3DNOW) /* CPUID level 0x80000001.ecx */ #define cpu_has_cmp_legacy boot_cpu_has(X86_FEATURE_CMP_LEGACY) #define cpu_has_svm boot_cpu_has(X86_FEATURE_SVM) #define cpu_has_sse4a boot_cpu_has(X86_FEATURE_SSE4A) #define cpu_has_xop boot_cpu_has(X86_FEATURE_XOP) #define cpu_has_skinit boot_cpu_has(X86_FEATURE_SKINIT) #define cpu_has_fma4 boot_cpu_has(X86_FEATURE_FMA4) #define cpu_has_tbm boot_cpu_has(X86_FEATURE_TBM) /* CPUID level 0x0000000D:1.eax */ #define cpu_has_xsaveopt boot_cpu_has(X86_FEATURE_XSAVEOPT) #define cpu_has_xsavec boot_cpu_has(X86_FEATURE_XSAVEC) #define cpu_has_xgetbv1 boot_cpu_has(X86_FEATURE_XGETBV1) #define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) /* CPUID level 0x00000007:0.ebx */ #define cpu_has_bmi1 boot_cpu_has(X86_FEATURE_BMI1) #define cpu_has_hle boot_cpu_has(X86_FEATURE_HLE) #define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2) #define cpu_has_smep boot_cpu_has(X86_FEATURE_SMEP) #define cpu_has_bmi2 boot_cpu_has(X86_FEATURE_BMI2) #define cpu_has_invpcid boot_cpu_has(X86_FEATURE_INVPCID) #define cpu_has_rtm boot_cpu_has(X86_FEATURE_RTM) #define cpu_has_pqe boot_cpu_has(X86_FEATURE_PQE) #define cpu_has_fpu_sel (!boot_cpu_has(X86_FEATURE_NO_FPU_SEL)) #define cpu_has_mpx boot_cpu_has(X86_FEATURE_MPX) #define cpu_has_avx512f boot_cpu_has(X86_FEATURE_AVX512F) #define cpu_has_avx512dq boot_cpu_has(X86_FEATURE_AVX512DQ) #define cpu_has_rdseed boot_cpu_has(X86_FEATURE_RDSEED) #define cpu_has_smap boot_cpu_has(X86_FEATURE_SMAP) #define cpu_has_avx512_ifma boot_cpu_has(X86_FEATURE_AVX512_IFMA) #define cpu_has_clflushopt boot_cpu_has(X86_FEATURE_CLFLUSHOPT) #define cpu_has_clwb boot_cpu_has(X86_FEATURE_CLWB) #define cpu_has_avx512er boot_cpu_has(X86_FEATURE_AVX512ER) #define cpu_has_avx512cd boot_cpu_has(X86_FEATURE_AVX512CD) #define cpu_has_proc_trace boot_cpu_has(X86_FEATURE_PROC_TRACE) #define cpu_has_sha boot_cpu_has(X86_FEATURE_SHA) #define cpu_has_avx512bw boot_cpu_has(X86_FEATURE_AVX512BW) #define cpu_has_avx512vl boot_cpu_has(X86_FEATURE_AVX512VL) /* CPUID level 0x00000007:0.ecx */ #define cpu_has_avx512_vbmi boot_cpu_has(X86_FEATURE_AVX512_VBMI) #define cpu_has_avx512_vbmi2 boot_cpu_has(X86_FEATURE_AVX512_VBMI2) #define cpu_has_gfni boot_cpu_has(X86_FEATURE_GFNI) #define cpu_has_vaes boot_cpu_has(X86_FEATURE_VAES) #define cpu_has_vpclmulqdq boot_cpu_has(X86_FEATURE_VPCLMULQDQ) #define cpu_has_avx512_vnni boot_cpu_has(X86_FEATURE_AVX512_VNNI) #define cpu_has_avx512_bitalg boot_cpu_has(X86_FEATURE_AVX512_BITALG) #define cpu_has_avx512_vpopcntdq boot_cpu_has(X86_FEATURE_AVX512_VPOPCNTDQ) #define cpu_has_rdpid boot_cpu_has(X86_FEATURE_RDPID) #define cpu_has_movdiri boot_cpu_has(X86_FEATURE_MOVDIRI) #define cpu_has_movdir64b boot_cpu_has(X86_FEATURE_MOVDIR64B) #define cpu_has_enqcmd boot_cpu_has(X86_FEATURE_ENQCMD) /* CPUID level 0x80000007.edx */ #define cpu_has_itsc boot_cpu_has(X86_FEATURE_ITSC) /* CPUID level 0x80000008.ebx */ #define cpu_has_amd_ssbd boot_cpu_has(X86_FEATURE_AMD_SSBD) #define cpu_has_virt_ssbd boot_cpu_has(X86_FEATURE_VIRT_SSBD) #define cpu_has_ssb_no boot_cpu_has(X86_FEATURE_SSB_NO) /* CPUID level 0x00000007:0.edx */ #define cpu_has_avx512_4vnniw boot_cpu_has(X86_FEATURE_AVX512_4VNNIW) #define cpu_has_avx512_4fmaps boot_cpu_has(X86_FEATURE_AVX512_4FMAPS) #define cpu_has_avx512_vp2intersect boot_cpu_has(X86_FEATURE_AVX512_VP2INTERSECT) #define cpu_has_srbds_ctrl boot_cpu_has(X86_FEATURE_SRBDS_CTRL) #define cpu_has_rtm_always_abort boot_cpu_has(X86_FEATURE_RTM_ALWAYS_ABORT) #define cpu_has_tsx_force_abort boot_cpu_has(X86_FEATURE_TSX_FORCE_ABORT) #define cpu_has_serialize boot_cpu_has(X86_FEATURE_SERIALIZE) #define cpu_has_arch_caps boot_cpu_has(X86_FEATURE_ARCH_CAPS) /* CPUID level 0x00000007:1.eax */ #define cpu_has_avx_vnni boot_cpu_has(X86_FEATURE_AVX_VNNI) #define cpu_has_avx512_bf16 boot_cpu_has(X86_FEATURE_AVX512_BF16) /* Synthesized. */ #define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON) #define cpu_has_cpuid_faulting boot_cpu_has(X86_FEATURE_CPUID_FAULTING) #define cpu_has_aperfmperf boot_cpu_has(X86_FEATURE_APERFMPERF) #define cpu_has_lfence_dispatch boot_cpu_has(X86_FEATURE_LFENCE_DISPATCH) #define cpu_has_nscb boot_cpu_has(X86_FEATURE_NSCB) #define cpu_has_xen_lbr boot_cpu_has(X86_FEATURE_XEN_LBR) #define cpu_has_xen_shstk boot_cpu_has(X86_FEATURE_XEN_SHSTK) #define cpu_has_msr_tsc_aux (cpu_has_rdtscp || cpu_has_rdpid) /* Bugs. */ #define cpu_bug_fpu_ptrs boot_cpu_has(X86_BUG_FPU_PTRS) #define cpu_bug_null_seg boot_cpu_has(X86_BUG_NULL_SEG) enum _cache_type { CACHE_TYPE_NULL = 0, CACHE_TYPE_DATA = 1, CACHE_TYPE_INST = 2, CACHE_TYPE_UNIFIED = 3 }; union _cpuid4_leaf_eax { struct { enum _cache_type type:5; unsigned int level:3; unsigned int is_self_initializing:1; unsigned int is_fully_associative:1; unsigned int reserved:4; unsigned int num_threads_sharing:12; unsigned int num_cores_on_die:6; } split; u32 full; }; union _cpuid4_leaf_ebx { struct { unsigned int coherency_line_size:12; unsigned int physical_line_partition:10; unsigned int ways_of_associativity:10; } split; u32 full; }; union _cpuid4_leaf_ecx { struct { unsigned int number_of_sets:32; } split; u32 full; }; struct cpuid4_info { union _cpuid4_leaf_eax eax; union _cpuid4_leaf_ebx ebx; union _cpuid4_leaf_ecx ecx; unsigned long size; }; int cpuid4_cache_lookup(int index, struct cpuid4_info *this_leaf); #endif /* !__ASSEMBLY__ */ #endif /* __ASM_I386_CPUFEATURE_H */ /* * Local Variables: * mode:c * comment-column:42 * End: */