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#+build arm32, arm64
package sysinfo
import "core:sys/unix"
_ :: unix
CPU_Feature :: enum u64 {
// Advanced SIMD & floating-point capabilities:
asimd, // General support for Advanced SIMD instructions/neon.
floatingpoint, // General support for floating-point instructions.
asimdhp, // Advanced SIMD half-precision conversion instructions.
bf16, // Storage and arithmetic instructions of the Brain Floating Point (BFloat16) data type.
fcma, // Floating-point complex number instructions.
fhm, // Floating-point half-precision multiplication instructions.
fp16, // General half-precision floating-point data processing instructions.
frint, // Floating-point to integral valued floating-point number rounding instructions.
i8mm, // Advanced SIMD int8 matrix multiplication instructions.
jscvt, // JavaScript conversion instruction.
rdm, // Advanced SIMD rounding double multiply accumulate instructions.
flagm, // Condition flag manipulation instructions.
flagm2, // Enhancements to condition flag manipulation instructions.
crc32, // CRC32 instructions.
lse, // Atomic instructions to support large systems.
lse2, // Changes to single-copy atomicity and alignment requirements for loads and stores for large systems.
lrcpc, // Load-acquire Release Consistency processor consistent (RCpc) instructions.
lrcpc2, // Load-acquire Release Consistency processor consistent (RCpc) instructions version 2.
aes,
pmull,
sha1,
sha256,
sha512,
sha3,
sb, // Barrier instruction to control speculation.
ssbs, // Instructions to control speculation of loads and stores.
}
CPU_Features :: distinct bit_set[CPU_Feature; u64]
CPU :: struct {
name: Maybe(string),
features: Maybe(CPU_Features),
physical_cores: int,
logical_cores: int,
}
cpu: CPU
@(private)
cpu_name_buf: [128]byte
@(init, private)
init_cpu_name :: proc "contextless" () {
generic := true
when ODIN_OS == .Darwin {
if unix.sysctlbyname("machdep.cpu.brand_string", &cpu_name_buf) {
cpu.name = string(cstring(rawptr(&cpu_name_buf)))
generic = false
}
}
if generic {
when ODIN_ARCH == .arm64 {
copy(cpu_name_buf[:], "ARM64")
cpu.name = string(cpu_name_buf[:len("ARM64")])
} else {
copy(cpu_name_buf[:], "ARM")
cpu.name = string(cpu_name_buf[:len("ARM")])
}
}
}
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