mango-hal 0.2.1

Hardware Abstraction Layer for the mango operationg system.
Documentation 
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// SPDX-License-Identifier: MIT OR Apache-2.0
//
// Copyright (c) 2020-2023 Andre Richter <andre.o.richter@gmail.com>

//! Synchronous and asynchronous exception handling.

#[cfg(target_arch = "aarch64")]
#[path = "_arch/aarch64/exception.rs"]
mod arch_exception;

pub mod asynchronous;

//--------------------------------------------------------------------------------------------------
// Architectural Public Reexports
//--------------------------------------------------------------------------------------------------
pub use arch_exception::{current_privilege_level, handling_init};

//--------------------------------------------------------------------------------------------------
// Public Definitions
//--------------------------------------------------------------------------------------------------

/// Kernel privilege levels.
#[allow(missing_docs)]
#[derive(Eq, PartialEq)]
pub enum PrivilegeLevel
{
  User,
  Kernel,
  Hypervisor,
  Unknown,
}

//--------------------------------------------------------------------------------------------------
// Testing
//--------------------------------------------------------------------------------------------------

#[cfg(test)]
mod tests
{
  use super::*;

  /// Libkernel unit tests must execute in kernel mode.
  #[test_case]
  fn test_runner_executes_in_kernel_mode()
  {
    let (level, _) = current_privilege_level();

    assert!(level == PrivilegeLevel::Kernel)
  }
}