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merged kfs-1 changes

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This commit is contained in:
Jack Halford 2018-02-13 14:37:22 +01:00
commit 13005548ee
2 changed files with 29 additions and 28 deletions
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36
kernel-rs/src/lib.rs
View file

@ -14,6 +14,9 @@ mod vga;
mod context;
mod keyboard;
use context::CONTEXT;
use vga::{Color, ColorCode};
#[allow(dead_code)]
mod cpuio;
@ -52,21 +55,24 @@ fn shutdown() -> ! {
}
#[no_mangle]
pub extern fn kmain() -> ! {
println!(r#" ,--, "#);
println!(r#" ,--.'| ,----, "#);
println!(r#" ,--, | : .' .' \ "#);
println!(r#",---.'| : ' ,----,' | "#);
println!(r#"; : | | ; | : . ; "#);
println!(r#"| | : _' | ; |.' / "#);
println!(r#": : |.' | `----'/ ; "#);
println!(r#"| ' ' ; : / ; / "#);
println!(r#"\ \ .'. | ; / /-, "#);
println!(r#" `---`: | ' / / /.`| "#);
println!(r#" ' ; |./__; : "#);
println!(r#" | : ;| : .' "#);
println!(r#" ' ,/ ; | .' "#);
println!(r#" '--' `---' "#);
println!(">> Kernel startup...");
unsafe { CONTEXT.current_term().color_code = ColorCode::new(Color::White, Color::Cyan); }
print!("{}{}{}{}{}{}{}{}{}{}{}{}{}{}",
format_args!("{: ^80}", r#" ,--, "#),
format_args!("{: ^80}", r#" ,--.'| ,----, "#),
format_args!("{: ^80}", r#" ,--, | : .' .' \ "#),
format_args!("{: ^80}", r#",---.'| : ' ,----,' | "#),
format_args!("{: ^80}", r#"; : | | ; | : . ; "#),
format_args!("{: ^80}", r#"| | : _' | ; |.' / "#),
format_args!("{: ^80}", r#": : |.' | `----'/ ; "#),
format_args!("{: ^80}", r#"| ' ' ; : / ; / "#),
format_args!("{: ^80}", r#"\ \ .'. | ; / /-, "#),
format_args!("{: ^80}", r#" `---`: | ' / / /.`| "#),
format_args!("{: ^80}", r#" ' ; |./__; : "#),
format_args!("{: ^80}", r#" | : ;| : .' "#),
format_args!("{: ^80}", r#" ' ,/ ; | .' "#),
format_args!("{: ^80}", r#" '--' `---' "#));
unsafe { CONTEXT.current_term().color_code = ColorCode::new(Color::White, Color::Black); }
print!(">");
loop {
keyboard::kbd_callback();

21
kernel-rs/src/vga/buffer.rs
View file

@ -9,6 +9,7 @@
use super::{Color, ColorCode};
use ::context::CONTEXT;
use cpuio;
#[derive(Debug, Clone, Copy)]
#[repr(C)]
@ -31,21 +32,17 @@ macro_rules! println {
pub fn print(args: fmt::Arguments) {
use core::fmt::Write;
unsafe { CONTEXT.current_term().write_fmt(args).unwrap() };
unsafe { CONTEXT.current_term().flush() };
}
extern crate core;
// pub const unsafe fn vga_slice() -> &'static [u8] {
// unsafe { core::slice::from_raw_parts_mut(0xb8000 as *mut u8, 4000) }
// }
const BUFFER_ROWS: usize = 25;
const BUFFER_COLS: usize = 80 * 2;
pub struct Writer {
pub position: usize,
color_code: ColorCode,
pub color_code: ColorCode,
buffer: [u8; BUFFER_ROWS * BUFFER_COLS],
}
@ -69,8 +66,6 @@ impl Writer {
match byte {
b'\n' => {
//reset cursor
self.buffer[self.position + 1] = ColorCode::new(Color::White, Color::Black).0;
let current_line = self.position / (BUFFER_COLS);
self.position = (current_line + 1) * BUFFER_COLS;
}
@ -85,10 +80,11 @@ impl Writer {
self.scroll();
}
// cursor
self.buffer[self.position] = b' ';
self.buffer[self.position + 1] = ColorCode::new(Color::LightGray, Color::LightGray).0;
let cursor_position = self.position / 2;
cpuio::outb(14, 0x3D4);
cpuio::outb((cursor_position >> 8) as u8, 0x3D5);
cpuio::outb(15, 0x3D4);
cpuio::outb((cursor_position >> 0) as u8 & 0x00ff, 0x3D5);
}
pub fn flush(&mut self) {
@ -120,7 +116,6 @@ impl fmt::Write for Writer {
for byte in s.bytes() {
self.write_byte(byte)
}
self.flush();
Ok(())
}
}