src/non_critical/kern_panic/mod.rs


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use std::process::Command;
use std::path::PathBuf;
use std::env;

extern "C" {
    pub fn linux_sysrq_start();
    pub fn linux_sysrq_panic();
}

pub unsafe fn sysrq_panic() {
    linux_sysrq_start();
    linux_sysrq_panic();
}

pub fn kmod_panic() -> Result<(), String> {
    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap_or_else(|_| "target/debug".into()));
    let ko_file = out_dir.join("linux_kmod.ko");
    
    if !ko_file.exists() {
        return Err(format!("Kernel module not found at: {}", ko_file.display()));
    }
    
    let status = Command::new("insmod")
        .arg(&ko_file)
        .status()
        .map_err(|e| format!("Failed to execute insmod: {}", e))?;
    
    if !status.success() {
        return Err(format!("Failed to load kernel module: exit code {:?}", status.code()));
    }
    
    Ok(())
}