Lines Matching refs:c
98 static void init_amd_k5(struct cpuinfo_x86 *c) in init_amd_k5() argument
110 if (c->x86_model == 9 || c->x86_model == 10) { in init_amd_k5()
117 static void init_amd_k6(struct cpuinfo_x86 *c) in init_amd_k6() argument
123 if (c->x86_model < 6) { in init_amd_k6()
125 if (c->x86_model == 0) { in init_amd_k6()
126 clear_cpu_cap(c, X86_FEATURE_APIC); in init_amd_k6()
127 set_cpu_cap(c, X86_FEATURE_PGE); in init_amd_k6()
132 if (c->x86_model == 6 && c->x86_stepping == 1) { in init_amd_k6()
161 if (c->x86_model < 8 || in init_amd_k6()
162 (c->x86_model == 8 && c->x86_stepping < 8)) { in init_amd_k6()
181 if ((c->x86_model == 8 && c->x86_stepping > 7) || in init_amd_k6()
182 c->x86_model == 9 || c->x86_model == 13) { in init_amd_k6()
203 if (c->x86_model == 10) { in init_amd_k6()
211 static void init_amd_k7(struct cpuinfo_x86 *c) in init_amd_k7() argument
221 if (c->x86_model >= 6 && c->x86_model <= 10) { in init_amd_k7()
222 if (!cpu_has(c, X86_FEATURE_XMM)) { in init_amd_k7()
225 set_cpu_cap(c, X86_FEATURE_XMM); in init_amd_k7()
234 if ((c->x86_model == 8 && c->x86_stepping >= 1) || (c->x86_model > 8)) { in init_amd_k7()
244 if (!c->cpu_index) in init_amd_k7()
252 if ((c->x86_model == 6) && ((c->x86_stepping == 0) || in init_amd_k7()
253 (c->x86_stepping == 1))) in init_amd_k7()
257 if ((c->x86_model == 7) && (c->x86_stepping == 0)) in init_amd_k7()
267 if (((c->x86_model == 6) && (c->x86_stepping >= 2)) || in init_amd_k7()
268 ((c->x86_model == 7) && (c->x86_stepping >= 1)) || in init_amd_k7()
269 (c->x86_model > 7)) in init_amd_k7()
270 if (cpu_has(c, X86_FEATURE_MP)) in init_amd_k7()
313 static void legacy_fixup_core_id(struct cpuinfo_x86 *c) in legacy_fixup_core_id() argument
317 if (c->x86 >= 0x17) in legacy_fixup_core_id()
320 cus_per_node = c->x86_max_cores / nodes_per_socket; in legacy_fixup_core_id()
321 c->cpu_core_id %= cus_per_node; in legacy_fixup_core_id()
330 static void amd_get_topology(struct cpuinfo_x86 *c) in amd_get_topology() argument
341 c->cpu_die_id = ecx & 0xff; in amd_get_topology()
343 if (c->x86 == 0x15) in amd_get_topology()
344 c->cu_id = ebx & 0xff; in amd_get_topology()
346 if (c->x86 >= 0x17) { in amd_get_topology()
347 c->cpu_core_id = ebx & 0xff; in amd_get_topology()
350 c->x86_max_cores /= smp_num_siblings; in amd_get_topology()
357 err = detect_extended_topology(c); in amd_get_topology()
359 c->x86_coreid_bits = get_count_order(c->x86_max_cores); in amd_get_topology()
361 cacheinfo_amd_init_llc_id(c, cpu); in amd_get_topology()
363 } else if (cpu_has(c, X86_FEATURE_NODEID_MSR)) { in amd_get_topology()
367 c->cpu_die_id = value & 7; in amd_get_topology()
369 per_cpu(cpu_llc_id, cpu) = c->cpu_die_id; in amd_get_topology()
374 set_cpu_cap(c, X86_FEATURE_AMD_DCM); in amd_get_topology()
375 legacy_fixup_core_id(c); in amd_get_topology()
383 static void amd_detect_cmp(struct cpuinfo_x86 *c) in amd_detect_cmp() argument
388 bits = c->x86_coreid_bits; in amd_detect_cmp()
390 c->cpu_core_id = c->initial_apicid & ((1 << bits)-1); in amd_detect_cmp()
392 c->phys_proc_id = c->initial_apicid >> bits; in amd_detect_cmp()
394 per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->phys_proc_id; in amd_detect_cmp()
397 static void amd_detect_ppin(struct cpuinfo_x86 *c) in amd_detect_ppin() argument
401 if (!cpu_has(c, X86_FEATURE_AMD_PPIN)) in amd_detect_ppin()
423 clear_cpu_cap(c, X86_FEATURE_AMD_PPIN); in amd_detect_ppin()
432 static void srat_detect_node(struct cpuinfo_x86 *c) in srat_detect_node() argument
437 unsigned apicid = c->apicid; in srat_detect_node()
449 x86_cpuinit.fixup_cpu_id(c, node); in srat_detect_node()
471 int ht_nodeid = c->initial_apicid; in srat_detect_node()
483 static void early_init_amd_mc(struct cpuinfo_x86 *c) in early_init_amd_mc() argument
489 if (c->extended_cpuid_level < 0x80000008) in early_init_amd_mc()
494 c->x86_max_cores = (ecx & 0xff) + 1; in early_init_amd_mc()
501 while ((1 << bits) < c->x86_max_cores) in early_init_amd_mc()
505 c->x86_coreid_bits = bits; in early_init_amd_mc()
509 static void bsp_init_amd(struct cpuinfo_x86 *c) in bsp_init_amd() argument
511 if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) { in bsp_init_amd()
513 if (c->x86 > 0x10 || in bsp_init_amd()
514 (c->x86 == 0x10 && c->x86_model >= 0x2)) { in bsp_init_amd()
523 if (c->x86 == 0x15) { in bsp_init_amd()
538 if (cpu_has(c, X86_FEATURE_MWAITX)) in bsp_init_amd()
555 c->x86 >= 0x15 && c->x86 <= 0x17) { in bsp_init_amd()
558 switch (c->x86) { in bsp_init_amd()
575 resctrl_cpu_detect(c); in bsp_init_amd()
578 static void early_detect_mem_encrypt(struct cpuinfo_x86 *c) in early_detect_mem_encrypt() argument
594 if (cpu_has(c, X86_FEATURE_SME) || cpu_has(c, X86_FEATURE_SEV)) { in early_detect_mem_encrypt()
605 c->x86_phys_bits -= (cpuid_ebx(0x8000001f) >> 6) & 0x3f; in early_detect_mem_encrypt()
624 static void early_init_amd(struct cpuinfo_x86 *c) in early_init_amd() argument
629 early_init_amd_mc(c); in early_init_amd()
631 if (c->x86 >= 0xf) in early_init_amd()
632 set_cpu_cap(c, X86_FEATURE_K8); in early_init_amd()
634 rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy); in early_init_amd()
640 if (c->x86_power & (1 << 8)) { in early_init_amd()
641 set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); in early_init_amd()
642 set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC); in early_init_amd()
646 if (c->x86_power & BIT(12)) in early_init_amd()
647 set_cpu_cap(c, X86_FEATURE_ACC_POWER); in early_init_amd()
650 if (c->x86_power & BIT(14)) in early_init_amd()
651 set_cpu_cap(c, X86_FEATURE_RAPL); in early_init_amd()
654 set_cpu_cap(c, X86_FEATURE_SYSCALL32); in early_init_amd()
657 if (c->x86 == 5) in early_init_amd()
658 if (c->x86_model == 13 || c->x86_model == 9 || in early_init_amd()
659 (c->x86_model == 8 && c->x86_stepping >= 8)) in early_init_amd()
660 set_cpu_cap(c, X86_FEATURE_K6_MTRR); in early_init_amd()
670 if (c->x86 > 0x16) in early_init_amd()
671 set_cpu_cap(c, X86_FEATURE_EXTD_APICID); in early_init_amd()
672 else if (c->x86 >= 0xf) { in early_init_amd()
678 set_cpu_cap(c, X86_FEATURE_EXTD_APICID); in early_init_amd()
688 set_cpu_cap(c, X86_FEATURE_VMMCALL); in early_init_amd()
691 if (c->x86 == 0x16 && c->x86_model <= 0xf) in early_init_amd()
700 if (cpu_has_amd_erratum(c, amd_erratum_400)) in early_init_amd()
701 set_cpu_bug(c, X86_BUG_AMD_E400); in early_init_amd()
703 early_detect_mem_encrypt(c); in early_init_amd()
706 if (c->x86 == 0x15 && in early_init_amd()
707 (c->x86_model >= 0x10 && c->x86_model <= 0x6f) && in early_init_amd()
708 !cpu_has(c, X86_FEATURE_TOPOEXT)) { in early_init_amd()
713 set_cpu_cap(c, X86_FEATURE_TOPOEXT); in early_init_amd()
719 if (cpu_has(c, X86_FEATURE_TOPOEXT)) in early_init_amd()
723 static void init_amd_k8(struct cpuinfo_x86 *c) in init_amd_k8() argument
731 set_cpu_cap(c, X86_FEATURE_REP_GOOD); in init_amd_k8()
738 if (c->x86_model < 0x14 && cpu_has(c, X86_FEATURE_LAHF_LM)) { in init_amd_k8()
739 clear_cpu_cap(c, X86_FEATURE_LAHF_LM); in init_amd_k8()
746 if (!c->x86_model_id[0]) in init_amd_k8()
747 strcpy(c->x86_model_id, "Hammer"); in init_amd_k8()
759 set_cpu_bug(c, X86_BUG_SWAPGS_FENCE); in init_amd_k8()
762 static void init_amd_gh(struct cpuinfo_x86 *c) in init_amd_gh() argument
766 if (c == &boot_cpu_data) in init_amd_gh()
793 if (cpu_has_amd_erratum(c, amd_erratum_383)) in init_amd_gh()
794 set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH); in init_amd_gh()
799 static void init_amd_ln(struct cpuinfo_x86 *c) in init_amd_ln() argument
824 static void clear_rdrand_cpuid_bit(struct cpuinfo_x86 *c) in clear_rdrand_cpuid_bit() argument
852 clear_cpu_cap(c, X86_FEATURE_RDRAND); in clear_rdrand_cpuid_bit()
856 static void init_amd_jg(struct cpuinfo_x86 *c) in init_amd_jg() argument
863 clear_rdrand_cpuid_bit(c); in init_amd_jg()
866 static void init_amd_bd(struct cpuinfo_x86 *c) in init_amd_bd() argument
874 if ((c->x86_model >= 0x02) && (c->x86_model < 0x20)) { in init_amd_bd()
886 clear_rdrand_cpuid_bit(c); in init_amd_bd()
889 static void init_amd_zn(struct cpuinfo_x86 *c) in init_amd_zn() argument
891 set_cpu_cap(c, X86_FEATURE_ZEN); in init_amd_zn()
901 if (!cpu_has(c, X86_FEATURE_HYPERVISOR) && !cpu_has(c, X86_FEATURE_CPB)) in init_amd_zn()
902 set_cpu_cap(c, X86_FEATURE_CPB); in init_amd_zn()
905 static void init_amd(struct cpuinfo_x86 *c) in init_amd() argument
907 early_init_amd(c); in init_amd()
913 clear_cpu_cap(c, 0*32+31); in init_amd()
915 if (c->x86 >= 0x10) in init_amd()
916 set_cpu_cap(c, X86_FEATURE_REP_GOOD); in init_amd()
919 c->apicid = hard_smp_processor_id(); in init_amd()
922 if (c->x86 < 6) in init_amd()
923 clear_cpu_cap(c, X86_FEATURE_MCE); in init_amd()
925 switch (c->x86) { in init_amd()
926 case 4: init_amd_k5(c); break; in init_amd()
927 case 5: init_amd_k6(c); break; in init_amd()
928 case 6: init_amd_k7(c); break; in init_amd()
929 case 0xf: init_amd_k8(c); break; in init_amd()
930 case 0x10: init_amd_gh(c); break; in init_amd()
931 case 0x12: init_amd_ln(c); break; in init_amd()
932 case 0x15: init_amd_bd(c); break; in init_amd()
933 case 0x16: init_amd_jg(c); break; in init_amd()
935 case 0x19: init_amd_zn(c); break; in init_amd()
942 if ((c->x86 >= 6) && (!cpu_has(c, X86_FEATURE_XSAVEERPTR))) in init_amd()
943 set_cpu_bug(c, X86_BUG_FXSAVE_LEAK); in init_amd()
945 cpu_detect_cache_sizes(c); in init_amd()
947 amd_detect_cmp(c); in init_amd()
948 amd_get_topology(c); in init_amd()
949 srat_detect_node(c); in init_amd()
950 amd_detect_ppin(c); in init_amd()
952 init_amd_cacheinfo(c); in init_amd()
954 if (cpu_has(c, X86_FEATURE_XMM2)) { in init_amd()
965 set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); in init_amd()
972 if (c->x86 > 0x11) in init_amd()
973 set_cpu_cap(c, X86_FEATURE_ARAT); in init_amd()
976 if (!cpu_has(c, X86_FEATURE_3DNOWPREFETCH)) in init_amd()
977 if (cpu_has(c, X86_FEATURE_3DNOW) || cpu_has(c, X86_FEATURE_LM)) in init_amd()
978 set_cpu_cap(c, X86_FEATURE_3DNOWPREFETCH); in init_amd()
981 if (!cpu_has(c, X86_FEATURE_XENPV)) in init_amd()
982 set_cpu_bug(c, X86_BUG_SYSRET_SS_ATTRS); in init_amd()
989 if (cpu_has(c, X86_FEATURE_IRPERF) && in init_amd()
990 !cpu_has_amd_erratum(c, amd_erratum_1054)) in init_amd()
993 check_null_seg_clears_base(c); in init_amd()
997 static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) in amd_size_cache() argument
1000 if (c->x86 == 6) { in amd_size_cache()
1002 if (c->x86_model == 3 && c->x86_stepping == 0) in amd_size_cache()
1005 if (c->x86_model == 4 && in amd_size_cache()
1006 (c->x86_stepping == 0 || c->x86_stepping == 1)) in amd_size_cache()
1013 static void cpu_detect_tlb_amd(struct cpuinfo_x86 *c) in cpu_detect_tlb_amd() argument
1018 if (c->x86 < 0xf) in cpu_detect_tlb_amd()
1021 if (c->extended_cpuid_level < 0x80000006) in cpu_detect_tlb_amd()
1033 if (c->x86 == 0xf) { in cpu_detect_tlb_amd()
1050 if (c->x86 == 0x15 && c->x86_model <= 0x1f) { in cpu_detect_tlb_amd()
1177 struct cpuinfo_x86 *c = &boot_cpu_data; in amd_get_highest_perf() local
1179 if (c->x86 == 0x17 && ((c->x86_model >= 0x30 && c->x86_model < 0x40) || in amd_get_highest_perf()
1180 (c->x86_model >= 0x70 && c->x86_model < 0x80))) in amd_get_highest_perf()
1183 if (c->x86 == 0x19 && ((c->x86_model >= 0x20 && c->x86_model < 0x30) || in amd_get_highest_perf()
1184 (c->x86_model >= 0x40 && c->x86_model < 0x70))) in amd_get_highest_perf()