24 	 * HTT: indicates multi-core/hyper-threading support on this core.  in cpuinfo_x86_detect_topology()
25 	 * - Intel, AMD: edx[bit 28] in basic info.  in cpuinfo_x86_detect_topology()
36 			 * CmpLegacy: core multi-processing legacy mode.  in cpuinfo_x86_detect_topology()
37 			 * - AMD: ecx[bit 1] in extended info (reserved bit on Intel CPUs).  in cpuinfo_x86_detect_topology()
45 				 * NC: number of physical cores - 1. The number of cores in the processor is NC+1.  in cpuinfo_x86_detect_topology()
46 				 * - AMD: ecx[bits 0-7] in leaf 0x80000008 (reserved zero bits on Intel CPUs).  in cpuinfo_x86_detect_topology()
49 				topology->core_bits_length = bit_length(cores_per_processor);  in cpuinfo_x86_detect_topology()
50 …cpuinfo_log_debug("HTT: APIC ID = %08"PRIx32", cores per processor = %"PRIu32, apic_id, cores_per_…  in cpuinfo_x86_detect_topology()
53 				 * LogicalProcessorCount: the number of cores per processor.  in cpuinfo_x86_detect_topology()
54 				 * - AMD: ebx[bits 16-23] in basic info (different interpretation on Intel CPUs).  in cpuinfo_x86_detect_topology()
58 					topology->core_bits_length = bit_length(cores_per_processor);  in cpuinfo_x86_detect_topology()
60 …cpuinfo_log_debug("HTT: APIC ID = %08"PRIx32", cores per processor = %"PRIu32, apic_id, cores_per_…  in cpuinfo_x86_detect_topology()
65 			 * - Intel: ebx[bits 16-23] in basic info (different interpretation on AMD CPUs).  in cpuinfo_x86_detect_topology()
70 …const uint32_t log2_max_threads_per_core = log2_max_logical_processors - topology->core_bits_lengt…  in cpuinfo_x86_detect_topology()
71 				topology->core_bits_offset = log2_max_threads_per_core;  in cpuinfo_x86_detect_topology()
72 				topology->thread_bits_length = log2_max_threads_per_core;  in cpuinfo_x86_detect_topology()
80 	 * - Intel: ecx[bit 21] in basic info (reserved bit on AMD CPUs).  in cpuinfo_x86_detect_topology()
87 		topology->thread_bits_offset = topology->thread_bits_length  = 0;  in cpuinfo_x86_detect_topology()
88 		topology->core_bits_offset   = topology->core_bits_length = 0;  in cpuinfo_x86_detect_topology()
102 					topology->thread_bits_offset = total_shift;  in cpuinfo_x86_detect_topology()
103 					topology->thread_bits_length = level_shift;  in cpuinfo_x86_detect_topology()
109 					topology->core_bits_offset = total_shift;  in cpuinfo_x86_detect_topology()
110 					topology->core_bits_length = level_shift;  in cpuinfo_x86_detect_topology()
122 			topology->thread_bits_offset, topology->thread_bits_length,  in cpuinfo_x86_detect_topology()
123 			topology->core_bits_offset, topology->core_bits_length);  in cpuinfo_x86_detect_topology()
126 	topology->apic_id = apic_id;  in cpuinfo_x86_detect_topology()