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49 lines
1.5 KiB
Rust
49 lines
1.5 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2020-2022 Andre Richter <andre.o.richter@gmail.com>
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//! Synchronous and asynchronous exception handling.
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#[cfg(target_arch = "aarch64")]
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#[path = "_arch/aarch64/exception.rs"]
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mod arch_exception;
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pub mod asynchronous;
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//--------------------------------------------------------------------------------------------------
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// Architectural Public Reexports
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//--------------------------------------------------------------------------------------------------
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pub use arch_exception::{current_privilege_level, handling_init};
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//--------------------------------------------------------------------------------------------------
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// Public Definitions
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//--------------------------------------------------------------------------------------------------
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/// Kernel privilege levels.
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#[allow(missing_docs)]
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#[derive(Eq, PartialEq)]
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pub enum PrivilegeLevel {
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User,
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Kernel,
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Hypervisor,
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Unknown,
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}
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//--------------------------------------------------------------------------------------------------
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// Testing
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//--------------------------------------------------------------------------------------------------
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#[cfg(test)]
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mod tests {
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use super::*;
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use test_macros::kernel_test;
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/// Libkernel unit tests must execute in kernel mode.
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#[kernel_test]
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fn test_runner_executes_in_kernel_mode() {
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let (level, _) = current_privilege_level();
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assert!(level == PrivilegeLevel::Kernel)
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}
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}
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