// Copyright (c) 2025 shibedrill
// SPDX-License-Identifier: GPL-3.0-or-later

#![allow(dead_code)]

// TODO: Implement a nice API for system calls.
// I don't want to have to define the argument/return value registers twice
// per architecture. How do I make this work?

pub enum SyscallArgs {
    Args0(),
    Args1(usize),
    Args2(usize, usize),
    Args3(usize, usize, usize),
    Args4(usize, usize, usize, usize),
    Args5(usize, usize, usize, usize, usize),
    Args6(usize, usize, usize, usize, usize, usize),
}

#[repr(usize)]
pub enum SyscallError {
    Ok,               // No error.
    Unspecified,      // Unspecified error occurred.
    SyscallNotExist,  // System call does not exist.
    ProcessNotExist,  // The process mentioned does not exist.
    PermissionDenied, // The process lacks capabilities.
    Aborted,          // The kernel gave up on a blocking request.
}