Struct locked_idt::LockedIdt

pub struct LockedIdt { /* private fields */ }

A thread-safe and interrupt-safe wrapper around [InterruptDescriptorTable].

This type offers interior mutability, allowing interrupt handlers to be added/changed/removed, but preserves safety by guaranteeing that only a static object can be loaded.

Implementations

impl LockedIdt

pub const fn new() -> LockedIdt

Creates a new IDT filled with non-present entries.

pub fn load(&'static self)

Obtains the lock on the inner IDT and loads it into the current CPU using the lidt command.

pub fn lock(&self) -> IrqSafeMutexGuard<'_, InterruptDescriptorTable>

Obtains the lock on the inner IDT and returns a guard that derefs into it.

Interrupts are also disabled until the guard falls out of scope, at which point they are re-enabled iff they were previously enabled when this function was invoked. and the lock will be dropped when the guard falls out of scope.

Trait Implementations

impl Debug for LockedIdt

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.