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Seperate PS/2 keyboard and mouse driver

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This commit is contained in:
Jeremy Soller 2016-09-19 09:43:30 -06:00
parent 70a2faa0c7
commit 727647dbf1
6 changed files with 49 additions and 44 deletions
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51
drivers/ps2d/src/main.rs
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@ -4,12 +4,15 @@ extern crate syscall;
use std::fs::File;
use std::io::{Read, Write};
use std::mem;
use std::thread;
use syscall::iopl;
fn main() {
if true {
println!("PS/2 driver launching");
thread::spawn(|| {
unsafe {
iopl(3).expect("pskbd: failed to get I/O permission");
asm!("cli" :::: "intel", "volatile");
@ -21,18 +24,22 @@ fn main() {
loop {
let mut irqs = [0; 8];
file.read(&mut irqs).expect("pskbd: failed to read irq:1");
if file.read(&mut irqs).expect("pskbd: failed to read irq:1") >= mem::size_of::<usize>() {
let data: u8;
unsafe {
asm!("in al, dx" : "={al}"(data) : "{dx}"(0x60) : : "intel", "volatile");
}
let data: u8;
unsafe {
asm!("in al, dx" : "={al}"(data) : "{dx}"(0x60) : : "intel", "volatile");
println!("pskbd: IRQ {}: {:X}", unsafe { *(irqs.as_ptr() as *const usize) }, data);
file.write(&irqs).expect("pskbd: failed to write irq:1");
} else {
thread::yield_now();
}
println!("pskbd: IRQ {}: {:X}", unsafe { *(irqs.as_ptr() as *const usize) }, data);
file.write(&irqs).expect("pskbd: failed to write irq:1");
}
} else {
});
thread::spawn(|| {
unsafe {
iopl(3).expect("psmsd: failed to get I/O permission");
asm!("cli" :::: "intel", "volatile");
@ -43,17 +50,21 @@ fn main() {
println!("psmsd: Reading mouse IRQs");
loop {
let mut count = [0; 8];
file.read(&mut count).expect("psmsd: failed to read irq:12");
let mut irqs = [0; 8];
if file.read(&mut irqs).expect("psmsd: failed to read irq:12") >= mem::size_of::<usize>() {
let data: u8;
unsafe {
asm!("in al, dx" : "={al}"(data) : "{dx}"(0x60) : : "intel", "volatile");
}
let data: u8;
unsafe {
asm!("in al, dx" : "={al}"(data) : "{dx}"(0x60) : : "intel", "volatile");
println!("psmsd: IRQ {}: {:X}", unsafe { *(irqs.as_ptr() as *const usize) }, data);
file.write(&irqs).expect("psmsd: failed to write irq:12");
} else {
thread::yield_now();
}
println!("psmsd: IRQ: {:X}", data);
file.write(&count).expect("psmsd: failed to write irq:12");
}
}
});
println!("PS/2 driver running in background");
}