Lines Matching refs:c
99 static void init_amd_k5(struct cpuinfo_x86 *c) in init_amd_k5() argument
111 if (c->x86_model == 9 || c->x86_model == 10) { in init_amd_k5()
118 static void init_amd_k6(struct cpuinfo_x86 *c) in init_amd_k6() argument
124 if (c->x86_model < 6) { in init_amd_k6()
126 if (c->x86_model == 0) { in init_amd_k6()
127 clear_cpu_cap(c, X86_FEATURE_APIC); in init_amd_k6()
128 set_cpu_cap(c, X86_FEATURE_PGE); in init_amd_k6()
133 if (c->x86_model == 6 && c->x86_stepping == 1) { in init_amd_k6()
162 if (c->x86_model < 8 || in init_amd_k6()
163 (c->x86_model == 8 && c->x86_stepping < 8)) { in init_amd_k6()
182 if ((c->x86_model == 8 && c->x86_stepping > 7) || in init_amd_k6()
183 c->x86_model == 9 || c->x86_model == 13) { in init_amd_k6()
204 if (c->x86_model == 10) { in init_amd_k6()
212 static void init_amd_k7(struct cpuinfo_x86 *c) in init_amd_k7() argument
222 if (c->x86_model >= 6 && c->x86_model <= 10) { in init_amd_k7()
223 if (!cpu_has(c, X86_FEATURE_XMM)) { in init_amd_k7()
226 set_cpu_cap(c, X86_FEATURE_XMM); in init_amd_k7()
235 if ((c->x86_model == 8 && c->x86_stepping >= 1) || (c->x86_model > 8)) { in init_amd_k7()
245 if (!c->cpu_index) in init_amd_k7()
253 if ((c->x86_model == 6) && ((c->x86_stepping == 0) || in init_amd_k7()
254 (c->x86_stepping == 1))) in init_amd_k7()
258 if ((c->x86_model == 7) && (c->x86_stepping == 0)) in init_amd_k7()
268 if (((c->x86_model == 6) && (c->x86_stepping >= 2)) || in init_amd_k7()
269 ((c->x86_model == 7) && (c->x86_stepping >= 1)) || in init_amd_k7()
270 (c->x86_model > 7)) in init_amd_k7()
271 if (cpu_has(c, X86_FEATURE_MP)) in init_amd_k7()
314 static void legacy_fixup_core_id(struct cpuinfo_x86 *c) in legacy_fixup_core_id() argument
318 if (c->x86 >= 0x17) in legacy_fixup_core_id()
321 cus_per_node = c->x86_max_cores / nodes_per_socket; in legacy_fixup_core_id()
322 c->cpu_core_id %= cus_per_node; in legacy_fixup_core_id()
331 static void amd_get_topology(struct cpuinfo_x86 *c) in amd_get_topology() argument
345 if (c->x86 == 0x15) in amd_get_topology()
346 c->cu_id = ebx & 0xff; in amd_get_topology()
348 if (c->x86 >= 0x17) { in amd_get_topology()
349 c->cpu_core_id = ebx & 0xff; in amd_get_topology()
352 c->x86_max_cores /= smp_num_siblings; in amd_get_topology()
359 err = detect_extended_topology(c); in amd_get_topology()
361 c->x86_coreid_bits = get_count_order(c->x86_max_cores); in amd_get_topology()
363 cacheinfo_amd_init_llc_id(c, cpu, node_id); in amd_get_topology()
365 } else if (cpu_has(c, X86_FEATURE_NODEID_MSR)) { in amd_get_topology()
376 set_cpu_cap(c, X86_FEATURE_AMD_DCM); in amd_get_topology()
377 legacy_fixup_core_id(c); in amd_get_topology()
385 static void amd_detect_cmp(struct cpuinfo_x86 *c) in amd_detect_cmp() argument
390 bits = c->x86_coreid_bits; in amd_detect_cmp()
392 c->cpu_core_id = c->initial_apicid & ((1 << bits)-1); in amd_detect_cmp()
394 c->phys_proc_id = c->initial_apicid >> bits; in amd_detect_cmp()
396 per_cpu(cpu_llc_id, cpu) = c->phys_proc_id; in amd_detect_cmp()
399 static void amd_detect_ppin(struct cpuinfo_x86 *c) in amd_detect_ppin() argument
403 if (!cpu_has(c, X86_FEATURE_AMD_PPIN)) in amd_detect_ppin()
425 clear_cpu_cap(c, X86_FEATURE_AMD_PPIN); in amd_detect_ppin()
440 static void srat_detect_node(struct cpuinfo_x86 *c) in srat_detect_node() argument
445 unsigned apicid = c->apicid; in srat_detect_node()
457 x86_cpuinit.fixup_cpu_id(c, node); in srat_detect_node()
479 int ht_nodeid = c->initial_apicid; in srat_detect_node()
491 static void early_init_amd_mc(struct cpuinfo_x86 *c) in early_init_amd_mc() argument
497 if (c->extended_cpuid_level < 0x80000008) in early_init_amd_mc()
502 c->x86_max_cores = (ecx & 0xff) + 1; in early_init_amd_mc()
509 while ((1 << bits) < c->x86_max_cores) in early_init_amd_mc()
513 c->x86_coreid_bits = bits; in early_init_amd_mc()
517 static void bsp_init_amd(struct cpuinfo_x86 *c) in bsp_init_amd() argument
521 if (c->x86 >= 0xf) { in bsp_init_amd()
539 if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) { in bsp_init_amd()
541 if (c->x86 > 0x10 || in bsp_init_amd()
542 (c->x86 == 0x10 && c->x86_model >= 0x2)) { in bsp_init_amd()
551 if (c->x86 == 0x15) { in bsp_init_amd()
566 if (cpu_has(c, X86_FEATURE_MWAITX)) in bsp_init_amd()
583 c->x86 >= 0x15 && c->x86 <= 0x17) { in bsp_init_amd()
586 switch (c->x86) { in bsp_init_amd()
603 resctrl_cpu_detect(c); in bsp_init_amd()
606 static void early_detect_mem_encrypt(struct cpuinfo_x86 *c) in early_detect_mem_encrypt() argument
622 if (cpu_has(c, X86_FEATURE_SME) || cpu_has(c, X86_FEATURE_SEV)) { in early_detect_mem_encrypt()
633 c->x86_phys_bits -= (cpuid_ebx(0x8000001f) >> 6) & 0x3f; in early_detect_mem_encrypt()
652 static void early_init_amd(struct cpuinfo_x86 *c) in early_init_amd() argument
657 early_init_amd_mc(c); in early_init_amd()
660 if (c->x86 == 6) in early_init_amd()
661 set_cpu_cap(c, X86_FEATURE_K7); in early_init_amd()
664 if (c->x86 >= 0xf) in early_init_amd()
665 set_cpu_cap(c, X86_FEATURE_K8); in early_init_amd()
667 rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); in early_init_amd()
673 if (c->x86_power & (1 << 8)) { in early_init_amd()
674 set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); in early_init_amd()
675 set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC); in early_init_amd()
679 if (c->x86_power & BIT(12)) in early_init_amd()
680 set_cpu_cap(c, X86_FEATURE_ACC_POWER); in early_init_amd()
683 set_cpu_cap(c, X86_FEATURE_SYSCALL32); in early_init_amd()
686 if (c->x86 == 5) in early_init_amd()
687 if (c->x86_model == 13 || c->x86_model == 9 || in early_init_amd()
688 (c->x86_model == 8 && c->x86_stepping >= 8)) in early_init_amd()
689 set_cpu_cap(c, X86_FEATURE_K6_MTRR); in early_init_amd()
699 if (c->x86 > 0x16) in early_init_amd()
700 set_cpu_cap(c, X86_FEATURE_EXTD_APICID); in early_init_amd()
701 else if (c->x86 >= 0xf) { in early_init_amd()
707 set_cpu_cap(c, X86_FEATURE_EXTD_APICID); in early_init_amd()
717 set_cpu_cap(c, X86_FEATURE_VMMCALL); in early_init_amd()
720 if (c->x86 == 0x16 && c->x86_model <= 0xf) in early_init_amd()
729 if (cpu_has_amd_erratum(c, amd_erratum_400)) in early_init_amd()
730 set_cpu_bug(c, X86_BUG_AMD_E400); in early_init_amd()
732 early_detect_mem_encrypt(c); in early_init_amd()
735 if (c->x86 == 0x15 && in early_init_amd()
736 (c->x86_model >= 0x10 && c->x86_model <= 0x6f) && in early_init_amd()
737 !cpu_has(c, X86_FEATURE_TOPOEXT)) { in early_init_amd()
742 set_cpu_cap(c, X86_FEATURE_TOPOEXT); in early_init_amd()
748 if (cpu_has(c, X86_FEATURE_TOPOEXT)) in early_init_amd()
752 static void init_amd_k8(struct cpuinfo_x86 *c) in init_amd_k8() argument
760 set_cpu_cap(c, X86_FEATURE_REP_GOOD); in init_amd_k8()
767 if (c->x86_model < 0x14 && cpu_has(c, X86_FEATURE_LAHF_LM)) { in init_amd_k8()
768 clear_cpu_cap(c, X86_FEATURE_LAHF_LM); in init_amd_k8()
775 if (!c->x86_model_id[0]) in init_amd_k8()
776 strcpy(c->x86_model_id, "Hammer"); in init_amd_k8()
788 set_cpu_bug(c, X86_BUG_SWAPGS_FENCE); in init_amd_k8()
791 static void init_amd_gh(struct cpuinfo_x86 *c) in init_amd_gh() argument
795 if (c == &boot_cpu_data) in init_amd_gh()
822 if (cpu_has_amd_erratum(c, amd_erratum_383)) in init_amd_gh()
823 set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH); in init_amd_gh()
828 static void init_amd_ln(struct cpuinfo_x86 *c) in init_amd_ln() argument
853 static void clear_rdrand_cpuid_bit(struct cpuinfo_x86 *c) in clear_rdrand_cpuid_bit() argument
881 clear_cpu_cap(c, X86_FEATURE_RDRAND); in clear_rdrand_cpuid_bit()
885 static void init_amd_jg(struct cpuinfo_x86 *c) in init_amd_jg() argument
892 clear_rdrand_cpuid_bit(c); in init_amd_jg()
895 static void init_amd_bd(struct cpuinfo_x86 *c) in init_amd_bd() argument
903 if ((c->x86_model >= 0x02) && (c->x86_model < 0x20)) { in init_amd_bd()
915 clear_rdrand_cpuid_bit(c); in init_amd_bd()
918 static void init_amd_zn(struct cpuinfo_x86 *c) in init_amd_zn() argument
920 set_cpu_cap(c, X86_FEATURE_ZEN); in init_amd_zn()
930 if (!cpu_has(c, X86_FEATURE_HYPERVISOR) && !cpu_has(c, X86_FEATURE_CPB)) in init_amd_zn()
931 set_cpu_cap(c, X86_FEATURE_CPB); in init_amd_zn()
934 static void init_amd(struct cpuinfo_x86 *c) in init_amd() argument
936 early_init_amd(c); in init_amd()
942 clear_cpu_cap(c, 0*32+31); in init_amd()
944 if (c->x86 >= 0x10) in init_amd()
945 set_cpu_cap(c, X86_FEATURE_REP_GOOD); in init_amd()
948 c->apicid = hard_smp_processor_id(); in init_amd()
951 if (c->x86 < 6) in init_amd()
952 clear_cpu_cap(c, X86_FEATURE_MCE); in init_amd()
954 switch (c->x86) { in init_amd()
955 case 4: init_amd_k5(c); break; in init_amd()
956 case 5: init_amd_k6(c); break; in init_amd()
957 case 6: init_amd_k7(c); break; in init_amd()
958 case 0xf: init_amd_k8(c); break; in init_amd()
959 case 0x10: init_amd_gh(c); break; in init_amd()
960 case 0x12: init_amd_ln(c); break; in init_amd()
961 case 0x15: init_amd_bd(c); break; in init_amd()
962 case 0x16: init_amd_jg(c); break; in init_amd()
964 case 0x19: init_amd_zn(c); break; in init_amd()
971 if ((c->x86 >= 6) && (!cpu_has(c, X86_FEATURE_XSAVEERPTR))) in init_amd()
972 set_cpu_bug(c, X86_BUG_FXSAVE_LEAK); in init_amd()
974 cpu_detect_cache_sizes(c); in init_amd()
976 amd_detect_cmp(c); in init_amd()
977 amd_get_topology(c); in init_amd()
978 srat_detect_node(c); in init_amd()
979 amd_detect_ppin(c); in init_amd()
981 init_amd_cacheinfo(c); in init_amd()
983 if (cpu_has(c, X86_FEATURE_XMM2)) { in init_amd()
994 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); in init_amd()
1001 if (c->x86 > 0x11) in init_amd()
1002 set_cpu_cap(c, X86_FEATURE_ARAT); in init_amd()
1005 if (!cpu_has(c, X86_FEATURE_3DNOWPREFETCH)) in init_amd()
1006 if (cpu_has(c, X86_FEATURE_3DNOW) || cpu_has(c, X86_FEATURE_LM)) in init_amd()
1007 set_cpu_cap(c, X86_FEATURE_3DNOWPREFETCH); in init_amd()
1010 if (!cpu_has(c, X86_FEATURE_XENPV)) in init_amd()
1011 set_cpu_bug(c, X86_BUG_SYSRET_SS_ATTRS); in init_amd()
1018 if (cpu_has(c, X86_FEATURE_IRPERF) && in init_amd()
1019 !cpu_has_amd_erratum(c, amd_erratum_1054)) in init_amd()
1024 static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) in amd_size_cache() argument
1027 if (c->x86 == 6) { in amd_size_cache()
1029 if (c->x86_model == 3 && c->x86_stepping == 0) in amd_size_cache()
1032 if (c->x86_model == 4 && in amd_size_cache()
1033 (c->x86_stepping == 0 || c->x86_stepping == 1)) in amd_size_cache()
1040 static void cpu_detect_tlb_amd(struct cpuinfo_x86 *c) in cpu_detect_tlb_amd() argument
1045 if (c->x86 < 0xf) in cpu_detect_tlb_amd()
1048 if (c->extended_cpuid_level < 0x80000006) in cpu_detect_tlb_amd()
1060 if (c->x86 == 0xf) { in cpu_detect_tlb_amd()
1077 if (c->x86 == 0x15 && c->x86_model <= 0x1f) { in cpu_detect_tlb_amd()