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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <alloca.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <mach/machine.h>
#include <cpuinfo.h>
#include <mach/api.h>
#include <cpuinfo/internal-api.h>
#include <cpuinfo/log.h>
/* Polyfill recent CPUFAMILY_ARM_* values for older SDKs */
#ifndef CPUFAMILY_ARM_VORTEX_TEMPEST
#define CPUFAMILY_ARM_VORTEX_TEMPEST 0x07D34B9F
#endif
#ifndef CPUFAMILY_ARM_LIGHTNING_THUNDER
#define CPUFAMILY_ARM_LIGHTNING_THUNDER 0x462504D2
#endif
#ifndef CPUFAMILY_ARM_FIRESTORM_ICESTORM
#define CPUFAMILY_ARM_FIRESTORM_ICESTORM 0x1B588BB3
#endif
#ifndef CPUFAMILY_ARM_AVALANCHE_BLIZZARD
#define CPUFAMILY_ARM_AVALANCHE_BLIZZARD 0xDA33D83D
#endif
struct cpuinfo_arm_isa cpuinfo_isa = {
.aes = true,
.sha1 = true,
.sha2 = true,
.pmull = true,
.crc32 = true,
};
static uint32_t get_sys_info(int type_specifier, const char* name) {
size_t size = 0;
uint32_t result = 0;
int mib[2] = { CTL_HW, type_specifier };
if (sysctl(mib, 2, NULL, &size, NULL, 0) != 0) {
cpuinfo_log_info("sysctl(\"%s\") failed: %s", name, strerror(errno));
} else if (size == sizeof(uint32_t)) {
sysctl(mib, 2, &result, &size, NULL, 0);
cpuinfo_log_debug("%s: %"PRIu32 ", size = %lu", name, result, size);
} else {
cpuinfo_log_info("sysctl does not support non-integer lookup for (\"%s\")", name);
}
return result;
}
static uint32_t get_sys_info_by_name(const char* type_specifier) {
size_t size = 0;
uint32_t result = 0;
if (sysctlbyname(type_specifier, NULL, &size, NULL, 0) != 0) {
cpuinfo_log_info("sysctlbyname(\"%s\") failed: %s", type_specifier, strerror(errno));
} else if (size == sizeof(uint32_t)) {
sysctlbyname(type_specifier, &result, &size, NULL, 0);
cpuinfo_log_debug("%s: %"PRIu32 ", size = %lu", type_specifier, result, size);
} else {
cpuinfo_log_info("sysctl does not support non-integer lookup for (\"%s\")", type_specifier);
}
return result;
}
static enum cpuinfo_uarch decode_uarch(uint32_t cpu_family, uint32_t core_index, uint32_t core_count) {
switch (cpu_family) {
case CPUFAMILY_ARM_CYCLONE:
return cpuinfo_uarch_cyclone;
case CPUFAMILY_ARM_TYPHOON:
return cpuinfo_uarch_typhoon;
case CPUFAMILY_ARM_TWISTER:
return cpuinfo_uarch_twister;
case CPUFAMILY_ARM_HURRICANE:
return cpuinfo_uarch_hurricane;
case CPUFAMILY_ARM_MONSOON_MISTRAL:
/* 2x Monsoon + 4x Mistral cores */
return core_index < 2 ? cpuinfo_uarch_monsoon : cpuinfo_uarch_mistral;
case CPUFAMILY_ARM_VORTEX_TEMPEST:
/* Hexa-core: 2x Vortex + 4x Tempest; Octa-core: 4x Cortex + 4x Tempest */
return core_index + 4 < core_count ? cpuinfo_uarch_vortex : cpuinfo_uarch_tempest;
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
/* Hexa-core: 2x Lightning + 4x Thunder; Octa-core (presumed): 4x Lightning + 4x Thunder */
return core_index + 4 < core_count ? cpuinfo_uarch_lightning : cpuinfo_uarch_thunder;
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
/* Hexa-core: 2x Firestorm + 4x Icestorm; Octa-core: 4x Firestorm + 4x Icestorm */
return core_index + 4 < core_count ? cpuinfo_uarch_firestorm : cpuinfo_uarch_icestorm;
case CPUFAMILY_ARM_AVALANCHE_BLIZZARD:
/* Hexa-core: 2x Avalanche + 4x Blizzard */
return core_index + 4 < core_count ? cpuinfo_uarch_avalanche : cpuinfo_uarch_blizzard;
default:
/* Use hw.cpusubtype for detection */
break;
}
return cpuinfo_uarch_unknown;
}
static void decode_package_name(char* package_name) {
size_t size;
if (sysctlbyname("hw.machine", NULL, &size, NULL, 0) != 0) {
cpuinfo_log_warning("sysctlbyname(\"hw.machine\") failed: %s", strerror(errno));
return;
}
char *machine_name = alloca(size);
if (sysctlbyname("hw.machine", machine_name, &size, NULL, 0) != 0) {
cpuinfo_log_warning("sysctlbyname(\"hw.machine\") failed: %s", strerror(errno));
return;
}
cpuinfo_log_debug("hw.machine: %s", machine_name);
char name[10];
uint32_t major = 0, minor = 0;
if (sscanf(machine_name, "%9[^,0123456789]%"SCNu32",%"SCNu32, name, &major, &minor) != 3) {
cpuinfo_log_warning("parsing \"hw.machine\" failed: %s", strerror(errno));
return;
}
uint32_t chip_model = 0;
char suffix = '\0';
if (strcmp(name, "iPhone") == 0) {
/*
* iPhone 4 and up are supported:
* - iPhone 4 [A4]: iPhone3,1, iPhone3,2, iPhone3,3
* - iPhone 4S [A5]: iPhone4,1
* - iPhone 5 [A6]: iPhone5,1, iPhone5,2
* - iPhone 5c [A6]: iPhone5,3, iPhone5,4
* - iPhone 5s [A7]: iPhone6,1, iPhone6,2
* - iPhone 6 [A8]: iPhone7,2
* - iPhone 6 Plus [A8]: iPhone7,1
* - iPhone 6s [A9]: iPhone8,1
* - iPhone 6s Plus [A9]: iPhone8,2
* - iPhone SE [A9]: iPhone8,4
* - iPhone 7 [A10]: iPhone9,1, iPhone9,3
* - iPhone 7 Plus [A10]: iPhone9,2, iPhone9,4
* - iPhone 8 [A11]: iPhone10,1, iPhone10,4
* - iPhone 8 Plus [A11]: iPhone10,2, iPhone10,5
* - iPhone X [A11]: iPhone10,3, iPhone10,6
* - iPhone XS [A12]: iPhone11,2,
* - iPhone XS Max [A12]: iPhone11,4, iPhone11,6
* - iPhone XR [A12]: iPhone11,8
*/
chip_model = major + 1;
} else if (strcmp(name, "iPad") == 0) {
switch (major) {
/* iPad 2 and up are supported */
case 2:
/*
* iPad 2 [A5]: iPad2,1, iPad2,2, iPad2,3, iPad2,4
* iPad mini [A5]: iPad2,5, iPad2,6, iPad2,7
*/
chip_model = major + 3;
break;
case 3:
/*
* iPad 3rd Gen [A5X]: iPad3,1, iPad3,2, iPad3,3
* iPad 4th Gen [A6X]: iPad3,4, iPad3,5, iPad3,6
*/
chip_model = (minor <= 3) ? 5 : 6;
suffix = 'X';
break;
case 4:
/*
* iPad Air [A7]: iPad4,1, iPad4,2, iPad4,3
* iPad mini Retina [A7]: iPad4,4, iPad4,5, iPad4,6
* iPad mini 3 [A7]: iPad4,7, iPad4,8, iPad4,9
*/
chip_model = major + 3;
break;
case 5:
/*
* iPad mini 4 [A8]: iPad5,1, iPad5,2
* iPad Air 2 [A8X]: iPad5,3, iPad5,4
*/
chip_model = major + 3;
suffix = (minor <= 2) ? '\0' : 'X';
break;
case 6:
/*
* iPad Pro 9.7" [A9X]: iPad6,3, iPad6,4
* iPad Pro [A9X]: iPad6,7, iPad6,8
* iPad 5th Gen [A9]: iPad6,11, iPad6,12
*/
chip_model = major + 3;
suffix = minor <= 8 ? 'X' : '\0';
break;
case 7:
/*
* iPad Pro 12.9" [A10X]: iPad7,1, iPad7,2
* iPad Pro 10.5" [A10X]: iPad7,3, iPad7,4
* iPad 6th Gen [A10]: iPad7,5, iPad7,6
*/
chip_model = major + 3;
suffix = minor <= 4 ? 'X' : '\0';
break;
default:
cpuinfo_log_info("unknown iPad: %s", machine_name);
break;
}
} else if (strcmp(name, "iPod") == 0) {
switch (major) {
case 5:
chip_model = 5;
break;
/* iPod touch (5th Gen) [A5]: iPod5,1 */
case 7:
/* iPod touch (6th Gen, 2015) [A8]: iPod7,1 */
chip_model = 8;
break;
default:
cpuinfo_log_info("unknown iPod: %s", machine_name);
break;
}
} else {
cpuinfo_log_info("unknown device: %s", machine_name);
}
if (chip_model != 0) {
snprintf(package_name, CPUINFO_PACKAGE_NAME_MAX, "Apple A%"PRIu32"%c", chip_model, suffix);
}
}
void cpuinfo_arm_mach_init(void) {
struct cpuinfo_processor* processors = NULL;
struct cpuinfo_core* cores = NULL;
struct cpuinfo_cluster* clusters = NULL;
struct cpuinfo_package* packages = NULL;
struct cpuinfo_uarch_info* uarchs = NULL;
struct cpuinfo_cache* l1i = NULL;
struct cpuinfo_cache* l1d = NULL;
struct cpuinfo_cache* l2 = NULL;
struct cpuinfo_cache* l3 = NULL;
struct cpuinfo_mach_topology mach_topology = cpuinfo_mach_detect_topology();
processors = calloc(mach_topology.threads, sizeof(struct cpuinfo_processor));
if (processors == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" logical processors",
mach_topology.threads * sizeof(struct cpuinfo_processor), mach_topology.threads);
goto cleanup;
}
cores = calloc(mach_topology.cores, sizeof(struct cpuinfo_core));
if (cores == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" cores",
mach_topology.cores * sizeof(struct cpuinfo_core), mach_topology.cores);
goto cleanup;
}
packages = calloc(mach_topology.packages, sizeof(struct cpuinfo_package));
if (packages == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" packages",
mach_topology.packages * sizeof(struct cpuinfo_package), mach_topology.packages);
goto cleanup;
}
const uint32_t threads_per_core = mach_topology.threads / mach_topology.cores;
const uint32_t threads_per_package = mach_topology.threads / mach_topology.packages;
const uint32_t cores_per_package = mach_topology.cores / mach_topology.packages;
for (uint32_t i = 0; i < mach_topology.packages; i++) {
packages[i] = (struct cpuinfo_package) {
.processor_start = i * threads_per_package,
.processor_count = threads_per_package,
.core_start = i * cores_per_package,
.core_count = cores_per_package,
};
decode_package_name(packages[i].name);
}
const uint32_t cpu_family = get_sys_info_by_name("hw.cpufamily");
/*
* iOS 15 and macOS 12 added sysctls for ARM features, use them where possible.
* Otherwise, fallback to hardcoded set of CPUs with known support.
*/
const uint32_t has_feat_lse = get_sys_info_by_name("hw.optional.arm.FEAT_LSE");
if (has_feat_lse != 0) {
cpuinfo_isa.atomics = true;
} else {
// Mandatory in ARMv8.1-A, list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_MONSOON_MISTRAL:
case CPUFAMILY_ARM_VORTEX_TEMPEST:
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.atomics = true;
}
}
const uint32_t has_feat_rdm = get_sys_info_by_name("hw.optional.arm.FEAT_RDM");
if (has_feat_rdm != 0) {
cpuinfo_isa.rdm = true;
} else {
// Optional in ARMv8.2-A (implemented in Apple cores),
// list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_MONSOON_MISTRAL:
case CPUFAMILY_ARM_VORTEX_TEMPEST:
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.rdm = true;
}
}
const uint32_t has_feat_fp16 = get_sys_info_by_name("hw.optional.arm.FEAT_FP16");
if (has_feat_fp16 != 0) {
cpuinfo_isa.fp16arith = true;
} else {
// Optional in ARMv8.2-A (implemented in Apple cores),
// list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_MONSOON_MISTRAL:
case CPUFAMILY_ARM_VORTEX_TEMPEST:
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.fp16arith = true;
}
}
const uint32_t has_feat_fhm = get_sys_info_by_name("hw.optional.arm.FEAT_FHM");
if (has_feat_fhm != 0) {
cpuinfo_isa.fhm = true;
} else {
// Prior to iOS 15, use 'hw.optional.armv8_2_fhm'
const uint32_t has_feat_fhm_legacy = get_sys_info_by_name("hw.optional.armv8_2_fhm");
if (has_feat_fhm_legacy != 0) {
cpuinfo_isa.fhm = true;
} else {
// Mandatory in ARMv8.4-A when FP16 arithmetics is implemented,
// list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.fhm = true;
}
}
}
const uint32_t has_feat_bf16 = get_sys_info_by_name("hw.optional.arm.FEAT_BF16");
if (has_feat_bf16 != 0) {
cpuinfo_isa.bf16 = true;
}
const uint32_t has_feat_fcma = get_sys_info_by_name("hw.optional.arm.FEAT_FCMA");
if (has_feat_fcma != 0) {
cpuinfo_isa.fcma = true;
} else {
// Mandatory in ARMv8.3-A, list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.fcma = true;
}
}
const uint32_t has_feat_jscvt = get_sys_info_by_name("hw.optional.arm.FEAT_JSCVT");
if (has_feat_jscvt != 0) {
cpuinfo_isa.jscvt = true;
} else {
// Mandatory in ARMv8.3-A, list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.jscvt = true;
}
}
const uint32_t has_feat_dotprod = get_sys_info_by_name("hw.optional.arm.FEAT_DotProd");
if (has_feat_dotprod != 0) {
cpuinfo_isa.dot = true;
} else {
// Mandatory in ARMv8.4-A, list only cores released before iOS 15 / macOS 12
switch (cpu_family) {
case CPUFAMILY_ARM_LIGHTNING_THUNDER:
case CPUFAMILY_ARM_FIRESTORM_ICESTORM:
cpuinfo_isa.dot = true;
}
}
const uint32_t has_feat_i8mm = get_sys_info_by_name("hw.optional.arm.FEAT_I8MM");
if (has_feat_i8mm != 0) {
cpuinfo_isa.i8mm = true;
}
uint32_t num_clusters = 1;
for (uint32_t i = 0; i < mach_topology.cores; i++) {
cores[i] = (struct cpuinfo_core) {
.processor_start = i * threads_per_core,
.processor_count = threads_per_core,
.core_id = i % cores_per_package,
.package = packages + i / cores_per_package,
.vendor = cpuinfo_vendor_apple,
.uarch = decode_uarch(cpu_family, i, mach_topology.cores),
};
if (i != 0 && cores[i].uarch != cores[i - 1].uarch) {
num_clusters++;
}
}
for (uint32_t i = 0; i < mach_topology.threads; i++) {
const uint32_t smt_id = i % threads_per_core;
const uint32_t core_id = i / threads_per_core;
const uint32_t package_id = i / threads_per_package;
processors[i].smt_id = smt_id;
processors[i].core = &cores[core_id];
processors[i].package = &packages[package_id];
}
clusters = calloc(num_clusters, sizeof(struct cpuinfo_cluster));
if (clusters == NULL) {
cpuinfo_log_error(
"failed to allocate %zu bytes for descriptions of %"PRIu32" clusters",
num_clusters * sizeof(struct cpuinfo_cluster), num_clusters);
goto cleanup;
}
uarchs = calloc(num_clusters, sizeof(struct cpuinfo_uarch_info));
if (uarchs == NULL) {
cpuinfo_log_error(
"failed to allocate %zu bytes for descriptions of %"PRIu32" uarchs",
num_clusters * sizeof(enum cpuinfo_uarch), num_clusters);
goto cleanup;
}
uint32_t cluster_idx = UINT32_MAX;
for (uint32_t i = 0; i < mach_topology.cores; i++) {
if (i == 0 || cores[i].uarch != cores[i - 1].uarch) {
cluster_idx++;
uarchs[cluster_idx] = (struct cpuinfo_uarch_info) {
.uarch = cores[i].uarch,
.processor_count = 1,
.core_count = 1,
};
clusters[cluster_idx] = (struct cpuinfo_cluster) {
.processor_start = i * threads_per_core,
.processor_count = 1,
.core_start = i,
.core_count = 1,
.cluster_id = cluster_idx,
.package = cores[i].package,
.vendor = cores[i].vendor,
.uarch = cores[i].uarch,
};
} else {
uarchs[cluster_idx].processor_count++;
uarchs[cluster_idx].core_count++;
clusters[cluster_idx].processor_count++;
clusters[cluster_idx].core_count++;
}
cores[i].cluster = &clusters[cluster_idx];
}
for (uint32_t i = 0; i < mach_topology.threads; i++) {
const uint32_t core_id = i / threads_per_core;
processors[i].cluster = cores[core_id].cluster;
}
for (uint32_t i = 0; i < mach_topology.packages; i++) {
packages[i].cluster_start = 0;
packages[i].cluster_count = num_clusters;
}
const uint32_t cacheline_size = get_sys_info(HW_CACHELINE, "HW_CACHELINE");
const uint32_t l1d_cache_size = get_sys_info(HW_L1DCACHESIZE, "HW_L1DCACHESIZE");
const uint32_t l1i_cache_size = get_sys_info(HW_L1ICACHESIZE, "HW_L1ICACHESIZE");
const uint32_t l2_cache_size = get_sys_info(HW_L2CACHESIZE, "HW_L2CACHESIZE");
const uint32_t l3_cache_size = get_sys_info(HW_L3CACHESIZE, "HW_L3CACHESIZE");
const uint32_t l1_cache_associativity = 4;
const uint32_t l2_cache_associativity = 8;
const uint32_t l3_cache_associativity = 16;
const uint32_t cache_partitions = 1;
const uint32_t cache_flags = 0;
uint32_t threads_per_l1 = 0, l1_count = 0;
if (l1i_cache_size != 0 || l1d_cache_size != 0) {
/* Assume L1 caches are private to each core */
threads_per_l1 = 1;
l1_count = mach_topology.threads / threads_per_l1;
cpuinfo_log_debug("detected %"PRIu32" L1 caches", l1_count);
}
uint32_t threads_per_l2 = 0, l2_count = 0;
if (l2_cache_size != 0) {
/* Assume L2 cache is shared between all cores */
threads_per_l2 = mach_topology.cores;
l2_count = 1;
cpuinfo_log_debug("detected %"PRIu32" L2 caches", l2_count);
}
uint32_t threads_per_l3 = 0, l3_count = 0;
if (l3_cache_size != 0) {
/* Assume L3 cache is shared between all cores */
threads_per_l3 = mach_topology.cores;
l3_count = 1;
cpuinfo_log_debug("detected %"PRIu32" L3 caches", l3_count);
}
if (l1i_cache_size != 0) {
l1i = calloc(l1_count, sizeof(struct cpuinfo_cache));
if (l1i == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" L1I caches",
l1_count * sizeof(struct cpuinfo_cache), l1_count);
goto cleanup;
}
for (uint32_t c = 0; c < l1_count; c++) {
l1i[c] = (struct cpuinfo_cache) {
.size = l1i_cache_size,
.associativity = l1_cache_associativity,
.sets = l1i_cache_size / (l1_cache_associativity * cacheline_size),
.partitions = cache_partitions,
.line_size = cacheline_size,
.flags = cache_flags,
.processor_start = c * threads_per_l1,
.processor_count = threads_per_l1,
};
}
for (uint32_t t = 0; t < mach_topology.threads; t++) {
processors[t].cache.l1i = &l1i[t / threads_per_l1];
}
}
if (l1d_cache_size != 0) {
l1d = calloc(l1_count, sizeof(struct cpuinfo_cache));
if (l1d == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" L1D caches",
l1_count * sizeof(struct cpuinfo_cache), l1_count);
goto cleanup;
}
for (uint32_t c = 0; c < l1_count; c++) {
l1d[c] = (struct cpuinfo_cache) {
.size = l1d_cache_size,
.associativity = l1_cache_associativity,
.sets = l1d_cache_size / (l1_cache_associativity * cacheline_size),
.partitions = cache_partitions,
.line_size = cacheline_size,
.flags = cache_flags,
.processor_start = c * threads_per_l1,
.processor_count = threads_per_l1,
};
}
for (uint32_t t = 0; t < mach_topology.threads; t++) {
processors[t].cache.l1d = &l1d[t / threads_per_l1];
}
}
if (l2_count != 0) {
l2 = calloc(l2_count, sizeof(struct cpuinfo_cache));
if (l2 == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" L2 caches",
l2_count * sizeof(struct cpuinfo_cache), l2_count);
goto cleanup;
}
for (uint32_t c = 0; c < l2_count; c++) {
l2[c] = (struct cpuinfo_cache) {
.size = l2_cache_size,
.associativity = l2_cache_associativity,
.sets = l2_cache_size / (l2_cache_associativity * cacheline_size),
.partitions = cache_partitions,
.line_size = cacheline_size,
.flags = cache_flags,
.processor_start = c * threads_per_l2,
.processor_count = threads_per_l2,
};
}
for (uint32_t t = 0; t < mach_topology.threads; t++) {
processors[t].cache.l2 = &l2[0];
}
}
if (l3_count != 0) {
l3 = calloc(l3_count, sizeof(struct cpuinfo_cache));
if (l3 == NULL) {
cpuinfo_log_error("failed to allocate %zu bytes for descriptions of %"PRIu32" L3 caches",
l3_count * sizeof(struct cpuinfo_cache), l3_count);
goto cleanup;
}
for (uint32_t c = 0; c < l3_count; c++) {
l3[c] = (struct cpuinfo_cache) {
.size = l3_cache_size,
.associativity = l3_cache_associativity,
.sets = l3_cache_size / (l3_cache_associativity * cacheline_size),
.partitions = cache_partitions,
.line_size = cacheline_size,
.flags = cache_flags,
.processor_start = c * threads_per_l3,
.processor_count = threads_per_l3,
};
}
for (uint32_t t = 0; t < mach_topology.threads; t++) {
processors[t].cache.l3 = &l3[0];
}
}
/* Commit changes */
cpuinfo_processors = processors;
cpuinfo_cores = cores;
cpuinfo_clusters = clusters;
cpuinfo_packages = packages;
cpuinfo_uarchs = uarchs;
cpuinfo_cache[cpuinfo_cache_level_1i] = l1i;
cpuinfo_cache[cpuinfo_cache_level_1d] = l1d;
cpuinfo_cache[cpuinfo_cache_level_2] = l2;
cpuinfo_cache[cpuinfo_cache_level_3] = l3;
cpuinfo_processors_count = mach_topology.threads;
cpuinfo_cores_count = mach_topology.cores;
cpuinfo_clusters_count = num_clusters;
cpuinfo_packages_count = mach_topology.packages;
cpuinfo_uarchs_count = num_clusters;
cpuinfo_cache_count[cpuinfo_cache_level_1i] = l1_count;
cpuinfo_cache_count[cpuinfo_cache_level_1d] = l1_count;
cpuinfo_cache_count[cpuinfo_cache_level_2] = l2_count;
cpuinfo_cache_count[cpuinfo_cache_level_3] = l3_count;
cpuinfo_max_cache_size = cpuinfo_compute_max_cache_size(&processors[0]);
__sync_synchronize();
cpuinfo_is_initialized = true;
processors = NULL;
cores = NULL;
clusters = NULL;
packages = NULL;
uarchs = NULL;
l1i = l1d = l2 = l3 = NULL;
cleanup:
free(processors);
free(cores);
free(clusters);
free(packages);
free(uarchs);
free(l1i);
free(l1d);
free(l2);
free(l3);
}
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