39 lines
742 B
Rust
39 lines
742 B
Rust
use pic8259::ChainedPics;
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use crate::{println};
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pub use pit::{timer_interrupt_handler};
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pub use keyboard::keyboard_interrupt_handler;
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pub mod pit;
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pub mod keyboard;
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pub const PIC_1_OFFSET: u8 = 32;
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pub const PIC_2_OFFSET: u8 = PIC_1_OFFSET + 8;
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#[derive(Debug, Clone, Copy)]
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#[repr(u8)]
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pub enum InterruptIndex {
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Timer = PIC_1_OFFSET,
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Keyboard,
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}
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impl InterruptIndex {
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pub fn as_u8(self) -> u8 {
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self as u8
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}
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pub fn as_usize(self) -> usize {
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usize::from(self.as_u8())
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}
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}
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pub static PICS: spin::Mutex<ChainedPics> =
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spin::Mutex::new(unsafe { ChainedPics::new(PIC_1_OFFSET, PIC_2_OFFSET) });
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pub fn init_pic() {
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println!("Initializing PIC");
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unsafe { PICS.lock().initialize() };
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}
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