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#include <stdint.h>
#include <arm/linux/api.h>
#include <log.h>
void cpuinfo_arm64_linux_decode_isa_from_proc_cpuinfo(
const struct cpuinfo_arm_linux_processor processor[restrict static 1],
struct cpuinfo_arm_isa isa[restrict static 1])
{
const uint32_t features = processor->features;
if (features & CPUINFO_ARM_LINUX_FEATURE_AES) {
isa->aes = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_PMULL) {
isa->pmull = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_SHA1) {
isa->sha1 = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_SHA2) {
isa->sha2 = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_CRC32) {
isa->crc32 = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_ATOMICS) {
isa->atomics = true;
}
const uint32_t fp16arith_mask = CPUINFO_ARM_LINUX_FEATURE_FPHP | CPUINFO_ARM_LINUX_FEATURE_ASIMDHP;
if ((features & fp16arith_mask) == fp16arith_mask) {
isa->fp16arith = true;
} else if (features & CPUINFO_ARM_LINUX_FEATURE_FPHP) {
cpuinfo_log_warning("FP16 arithmetics disabled: detected support only for scalar operations");
} else if (features & CPUINFO_ARM_LINUX_FEATURE_ASIMDHP) {
cpuinfo_log_warning("FP16 arithmetics disabled: detected support only for SIMD operations");
}
if (features & CPUINFO_ARM_LINUX_FEATURE_ASIMDRDM) {
isa->rdm = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_JSCVT) {
isa->jscvt = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_ASIMDRDM) {
isa->rdm = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_JSCVT) {
isa->jscvt = true;
}
if (features & CPUINFO_ARM_LINUX_FEATURE_FCMA) {
isa->fcma = true;
}
}
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