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# 569802ebae0e oxygen / vendor / crc-fast / src / bin / arch-check.rs
3.4 KiB · Rust · last changed Strata: the cloud stores send through ureq, so every release target links 1 month ago source blame history raw
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// Copyright 2025 Don MacAskill. Licensed under MIT or Apache-2.0.
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//! This is a simple program that checks if the target architecture supports certain features.
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#[cfg(target_arch = "aarch64")]
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use std::arch::is_aarch64_feature_detected;
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#[cfg(any(target_arch = "x86_64", target_arch = "x86"))]
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use std::arch::is_x86_feature_detected;
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use crc_fast::get_calculator_target;
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use crc_fast::CrcAlgorithm::{Crc32Iscsi, Crc32IsoHdlc, Crc64Nvme};
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fn main() {
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    // Check the target architecture and call the appropriate function
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    #[cfg(target_arch = "aarch64")]
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    aarch64_features();
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    #[cfg(any(target_arch = "x86_64", target_arch = "x86"))]
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    x86_features();
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    print_targets();
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    print_cpu_info();
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}
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#[cfg(target_arch = "aarch64")]
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fn aarch64_features() {
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    let checkmark: char = '✓';
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    println!("[AArch64] Checking for features...");
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    if is_aarch64_feature_detected!("neon") {
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        println!("  {checkmark} NEON",);
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    } else {
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        println!("  x NEON");
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    }
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    if is_aarch64_feature_detected!("crc") {
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        println!("  {checkmark} CRC",);
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    } else {
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        println!("  x CRC");
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    }
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    if is_aarch64_feature_detected!("sha3") {
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        println!("  {checkmark} SHA3\n",);
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    } else {
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        println!("  x SHA3\n");
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    }
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}
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#[cfg(any(target_arch = "x86_64", target_arch = "x86"))]
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fn x86_features() {
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    let checkmark: char = '✓';
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    println!("[X86] Checking for features...");
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    if is_x86_feature_detected!("sse2") {
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        println!("  {checkmark} SSE2",);
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    } else {
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        println!("  x SSE2");
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    }
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    if is_x86_feature_detected!("sse4.1") {
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        println!("  {checkmark} SSE4.1",);
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    } else {
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        println!("  x SSE4.1");
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    }
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    if is_x86_feature_detected!("pclmulqdq") {
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        println!("  {checkmark} PCLMULQDQ",);
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    } else {
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        println!("  x PCLMULQDQ");
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    }
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    if is_x86_feature_detected!("avx2") {
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        println!("  {checkmark} AVX2",);
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    } else {
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        println!("  x AVX2");
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    }
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    if is_x86_feature_detected!("vpclmulqdq") {
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        println!("  {checkmark} VPCLMULQDQ",);
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    } else {
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        println!("  x VPCLMULQDQ");
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    }
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    if is_x86_feature_detected!("avx512f") {
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        println!("  {checkmark} AVX512F",);
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    } else {
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        println!("  x AVX512F");
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    }
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    if is_x86_feature_detected!("avx512vl") {
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        println!("  {checkmark} AVX512VL\n",);
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    } else {
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        println!("  x AVX512VL\n");
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    }
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}
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/// Print the acceleration targets
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fn print_targets() {
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    let checkmark: char = '✓';
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    println!("[Acceleration targets]");
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    println!(
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        "  {} CRC-32/ISCSI target: {}",
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        checkmark,
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        get_calculator_target(Crc32Iscsi)
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    );
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    println!(
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        "  {} CRC-32/ISO-HDLC target: {}",
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        checkmark,
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        get_calculator_target(Crc32IsoHdlc)
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    );
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    println!(
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        "  {} CRC-64/NVME target: {}\n",
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        checkmark,
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        get_calculator_target(Crc64Nvme)
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    );
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}
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/// Print the first entry of /proc/cpuinfo if it's available
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fn print_cpu_info() {
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    println!("\n[CPU Info]");
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    if let Ok(cpuinfo) = std::fs::read_to_string("/proc/cpuinfo") {
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        // Split the content by double newlines and take the first entry
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        if let Some(first_cpu) = cpuinfo.split("\n\n").next() {
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            println!("{first_cpu}",);
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        } else {
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            println!("No CPU information found.");
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        }
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    } else {
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        println!("Failed to read /proc/cpuinfo. This may not be available on your platform.\n");
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    }
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}