1 #pragma once 2 3 #include <stdbool.h> 4 #include <stdint.h> 5 6 #include <cpuinfo.h> 7 #include <cpuinfo/common.h> 8 9 10 struct cpuid_regs { 11 uint32_t eax; 12 uint32_t ebx; 13 uint32_t ecx; 14 uint32_t edx; 15 }; 16 17 struct cpuinfo_x86_cache { 18 uint32_t size; 19 uint32_t associativity; 20 uint32_t sets; 21 uint32_t partitions; 22 uint32_t line_size; 23 uint32_t flags; 24 uint32_t apic_bits; 25 }; 26 27 struct cpuinfo_x86_caches { 28 struct cpuinfo_trace_cache trace; 29 struct cpuinfo_x86_cache l1i; 30 struct cpuinfo_x86_cache l1d; 31 struct cpuinfo_x86_cache l2; 32 struct cpuinfo_x86_cache l3; 33 struct cpuinfo_x86_cache l4; 34 uint32_t prefetch_size; 35 }; 36 37 struct cpuinfo_x86_model_info { 38 uint32_t model; 39 uint32_t family; 40 41 uint32_t base_model; 42 uint32_t base_family; 43 uint32_t stepping; 44 uint32_t extended_model; 45 uint32_t extended_family; 46 uint32_t processor_type; 47 }; 48 49 struct cpuinfo_x86_topology { 50 uint32_t apic_id; 51 uint32_t thread_bits_offset; 52 uint32_t thread_bits_length; 53 uint32_t core_bits_offset; 54 uint32_t core_bits_length; 55 }; 56 57 struct cpuinfo_x86_processor { 58 uint32_t cpuid; 59 enum cpuinfo_vendor vendor; 60 enum cpuinfo_uarch uarch; 61 #ifdef __linux__ 62 int linux_id; 63 #endif 64 struct cpuinfo_x86_caches cache; 65 struct { 66 struct cpuinfo_tlb itlb_4KB; 67 struct cpuinfo_tlb itlb_2MB; 68 struct cpuinfo_tlb itlb_4MB; 69 struct cpuinfo_tlb dtlb0_4KB; 70 struct cpuinfo_tlb dtlb0_2MB; 71 struct cpuinfo_tlb dtlb0_4MB; 72 struct cpuinfo_tlb dtlb_4KB; 73 struct cpuinfo_tlb dtlb_2MB; 74 struct cpuinfo_tlb dtlb_4MB; 75 struct cpuinfo_tlb dtlb_1GB; 76 struct cpuinfo_tlb stlb2_4KB; 77 struct cpuinfo_tlb stlb2_2MB; 78 struct cpuinfo_tlb stlb2_1GB; 79 } tlb; 80 struct cpuinfo_x86_topology topology; 81 char brand_string[CPUINFO_PACKAGE_NAME_MAX]; 82 }; 83 84 CPUINFO_INTERNAL void cpuinfo_x86_init_processor(struct cpuinfo_x86_processor* processor); 85 86 CPUINFO_INTERNAL enum cpuinfo_vendor cpuinfo_x86_decode_vendor(uint32_t ebx, uint32_t ecx, uint32_t edx); 87 CPUINFO_INTERNAL struct cpuinfo_x86_model_info cpuinfo_x86_decode_model_info(uint32_t eax); 88 CPUINFO_INTERNAL enum cpuinfo_uarch cpuinfo_x86_decode_uarch( 89 enum cpuinfo_vendor vendor, 90 const struct cpuinfo_x86_model_info* model_info); 91 92 CPUINFO_INTERNAL struct cpuinfo_x86_isa cpuinfo_x86_detect_isa( 93 const struct cpuid_regs basic_info, const struct cpuid_regs extended_info, 94 uint32_t max_base_index, uint32_t max_extended_index, 95 enum cpuinfo_vendor vendor, enum cpuinfo_uarch uarch); 96 CPUINFO_INTERNAL struct cpuinfo_x86_isa cpuinfo_x86_nacl_detect_isa(void); 97 98 CPUINFO_INTERNAL void cpuinfo_x86_detect_topology( 99 uint32_t max_base_index, 100 uint32_t max_extended_index, 101 struct cpuid_regs leaf1, 102 struct cpuinfo_x86_topology* topology); 103 104 CPUINFO_INTERNAL void cpuinfo_x86_detect_cache( 105 uint32_t max_base_index, uint32_t max_extended_index, 106 bool amd_topology_extensions, 107 enum cpuinfo_vendor vendor, 108 const struct cpuinfo_x86_model_info* model_info, 109 struct cpuinfo_x86_caches* cache, 110 struct cpuinfo_tlb* itlb_4KB, 111 struct cpuinfo_tlb* itlb_2MB, 112 struct cpuinfo_tlb* itlb_4MB, 113 struct cpuinfo_tlb* dtlb0_4KB, 114 struct cpuinfo_tlb* dtlb0_2MB, 115 struct cpuinfo_tlb* dtlb0_4MB, 116 struct cpuinfo_tlb* dtlb_4KB, 117 struct cpuinfo_tlb* dtlb_2MB, 118 struct cpuinfo_tlb* dtlb_4MB, 119 struct cpuinfo_tlb* dtlb_1GB, 120 struct cpuinfo_tlb* stlb2_4KB, 121 struct cpuinfo_tlb* stlb2_2MB, 122 struct cpuinfo_tlb* stlb2_1GB, 123 uint32_t* log2_package_cores_max); 124 125 CPUINFO_INTERNAL void cpuinfo_x86_decode_cache_descriptor( 126 uint8_t descriptor, enum cpuinfo_vendor vendor, 127 const struct cpuinfo_x86_model_info* model_info, 128 struct cpuinfo_x86_caches* cache, 129 struct cpuinfo_tlb* itlb_4KB, 130 struct cpuinfo_tlb* itlb_2MB, 131 struct cpuinfo_tlb* itlb_4MB, 132 struct cpuinfo_tlb* dtlb0_4KB, 133 struct cpuinfo_tlb* dtlb0_2MB, 134 struct cpuinfo_tlb* dtlb0_4MB, 135 struct cpuinfo_tlb* dtlb_4KB, 136 struct cpuinfo_tlb* dtlb_2MB, 137 struct cpuinfo_tlb* dtlb_4MB, 138 struct cpuinfo_tlb* dtlb_1GB, 139 struct cpuinfo_tlb* stlb2_4KB, 140 struct cpuinfo_tlb* stlb2_2MB, 141 struct cpuinfo_tlb* stlb2_1GB, 142 uint32_t* prefetch_size); 143 144 CPUINFO_INTERNAL bool cpuinfo_x86_decode_deterministic_cache_parameters( 145 struct cpuid_regs regs, 146 struct cpuinfo_x86_caches* cache, 147 uint32_t* package_cores_max); 148 149 CPUINFO_INTERNAL bool cpuinfo_x86_decode_cache_properties( 150 struct cpuid_regs regs, 151 struct cpuinfo_x86_caches* cache); 152 153 CPUINFO_INTERNAL uint32_t cpuinfo_x86_normalize_brand_string( 154 const char raw_name[48], 155 char normalized_name[48]); 156 157 CPUINFO_INTERNAL uint32_t cpuinfo_x86_format_package_name( 158 enum cpuinfo_vendor vendor, 159 const char normalized_brand_string[48], 160 char package_name[CPUINFO_PACKAGE_NAME_MAX]); 161