keyboard input

This commit is contained in:
Cadey Ratio 2019-10-23 19:36:24 -04:00
parent ccd4631e2b
commit a9d86656ef
7 changed files with 132 additions and 12 deletions

23
Cargo.lock generated
View File

@ -28,6 +28,11 @@ name = "cast"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cpuio"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.4.0"
@ -41,6 +46,19 @@ name = "nodrop"
version = "0.1.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "pc-keyboard"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "pic8259_simple"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cpuio 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "spin"
version = "0.5.2"
@ -83,6 +101,8 @@ version = "0.1.0"
dependencies = [
"bootloader 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"pc-keyboard 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"pic8259_simple 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
"uart_16550 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@ -95,8 +115,11 @@ dependencies = [
"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
"checksum bootloader 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abfbe6cdea6367860818facc8e4a184f003cb83d7d004acaaf57baebf1949da0"
"checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
"checksum cpuio 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "22b8e308ccfc5acf3b82f79c0eac444cf6114cb2ac67a230ca6c177210068daa"
"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
"checksum nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
"checksum pc-keyboard 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fff50ab09ba31bcebc0669f4e64c0952fae1acdca9e6e0587e68e4e8443808ac"
"checksum pic8259_simple 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc64b2fd10828da8521b6cdabe0679385d7d2a3a6d4c336b819d1fa31ba35c72"
"checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
"checksum uart_16550 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "803ea8cb602dbb32c1a657a866d2dd79fe7dbeab0fb2ac667cb4dcc7de12a58b"
"checksum ux 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "88dfeb711b61ce620c0cb6fd9f8e3e678622f0c971da2a63c4b3e25e88ed012f"

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@ -12,6 +12,8 @@ volatile = "0.2.6"
spin = "0.5.2"
x86_64 = "0.7.5"
uart_16550 = "0.2.0"
pic8259_simple = "0.1.1"
pc-keyboard = "0.3.1"
[dependencies.lazy_static]
version = "1.0"
@ -25,6 +27,7 @@ panic = "abort"
[package.metadata.bootimage]
run-args = [
"-device", "isa-debug-exit,iobase=0xf4,iosize=0x04",
"-display", "curses"
]
test-args = [

View File

@ -1,5 +1,5 @@
use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
use crate::{gdt, println};
use crate::{gdt, print, println};
use lazy_static::lazy_static;
lazy_static! {
@ -10,6 +10,10 @@ lazy_static! {
idt.double_fault.set_handler_fn(double_fault_handler)
.set_stack_index(gdt::DOUBLE_FAULT_IST_INDEX);
}
idt[InterruptIndex::Timer.as_usize()]
.set_handler_fn(timer_interrupt_handler);
idt[InterruptIndex::Keyboard.as_usize()]
.set_handler_fn(keyboard_interrupt_handler);
idt
};
}
@ -40,3 +44,71 @@ fn test_breakpoint_exception() {
x86_64::instructions::interrupts::int3();
serial_println!("[ok]");
}
use pic8259_simple::ChainedPics;
use spin;
pub const PIC_1_OFFSET: u8 = 32;
pub const PIC_2_OFFSET: u8 = PIC_1_OFFSET + 8;
pub static PICS: spin::Mutex<ChainedPics> =
spin::Mutex::new(unsafe { ChainedPics::new(PIC_1_OFFSET, PIC_2_OFFSET) });
#[derive(Debug, Clone, Copy)]
#[repr(u8)]
pub enum InterruptIndex {
Timer = PIC_1_OFFSET,
Keyboard,
}
impl InterruptIndex {
fn as_u8(self) -> u8 {
self as u8
}
fn as_usize(self) -> usize {
usize::from(self.as_u8())
}
}
extern "x86-interrupt" fn timer_interrupt_handler(
_stack_frame: &mut InterruptStackFrame)
{
//print!(".");
unsafe {
PICS.lock()
.notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
}
}
extern "x86-interrupt" fn keyboard_interrupt_handler(
_stack_frame: &mut InterruptStackFrame)
{
use x86_64::instructions::port::Port;
use pc_keyboard::{Keyboard, ScancodeSet1, DecodedKey, layouts};
use spin::Mutex;
lazy_static! {
static ref KEYBOARD: Mutex<Keyboard<layouts::Us104Key, ScancodeSet1>> =
Mutex::new(Keyboard::new(layouts::Us104Key, ScancodeSet1));
}
let mut keyboard = KEYBOARD.lock();
let mut port = Port::new(0x60);
let scancode: u8 = unsafe { port.read() };
if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
if let Some(key) = keyboard.process_keyevent(key_event) {
match key {
DecodedKey::Unicode(character) => print!("{}", character),
DecodedKey::RawKey(key) => print!("{:?}", key),
}
}
}
unsafe {
PICS.lock()
.notify_end_of_interrupt(InterruptIndex::Keyboard.as_u8());
}
}

View File

@ -15,6 +15,14 @@ use core::panic::PanicInfo;
pub fn init() {
gdt::init();
interrupts::init_idt();
unsafe { interrupts::PICS.lock().initialize() };
x86_64::instructions::interrupts::enable();
}
pub fn hlt_loop() -> ! {
loop {
x86_64::instructions::hlt();
}
}
pub fn test_runner(tests: &[&dyn Fn()]) {
@ -29,7 +37,7 @@ pub fn test_panic_handler(info: &PanicInfo) -> ! {
serial_println!("[failed]\n");
serial_println!("Error: {}\n", info);
exit_qemu(QemuExitCode::Failed);
loop {}
hlt_loop();
}
/// Entry point for `cargo xtest`
@ -38,7 +46,7 @@ pub fn test_panic_handler(info: &PanicInfo) -> ! {
pub extern "C" fn _start() -> ! {
init();
test_main();
loop {}
hlt_loop();
}
#[cfg(test)]

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@ -16,7 +16,7 @@ pub extern "C" fn _start() -> ! {
test_main();
println!("It did not crash!");
loop {}
xe_os::hlt_loop();
}
// our existing panic handler
@ -24,7 +24,7 @@ pub extern "C" fn _start() -> ! {
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
println!("{}", info);
loop {}
xe_os::hlt_loop();
}
// our panic handler in test mode

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@ -13,7 +13,11 @@ lazy_static! {
#[doc(hidden)]
pub fn _print(args: ::core::fmt::Arguments) {
use core::fmt::Write;
SERIAL1.lock().write_fmt(args).expect("Printing to serial failed");
use x86_64::instructions::interrupts;
interrupts::without_interrupts(|| {
SERIAL1.lock().write_fmt(args).expect("Printing to serial failed");
});
}
/// Prints to the host through the serial interface.

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@ -167,7 +167,11 @@ macro_rules! println {
#[doc(hidden)]
pub fn _print(args: fmt::Arguments) {
use core::fmt::Write;
WRITER.lock().write_fmt(args).unwrap();
use x86_64::instructions::interrupts;
interrupts::without_interrupts(|| {
WRITER.lock().write_fmt(args).unwrap();
});
}
#[cfg(test)]
@ -191,14 +195,20 @@ fn test_println_many() {
#[test_case]
fn test_println_output() {
use core::fmt::Write;
use x86_64::instructions::interrupts;
serial_print!("test_println_output... ");
let s = "Some test string that fits on a single line";
println!("{}", s);
for (i, c) in s.chars().enumerate() {
let screen_char = WRITER.lock().buffer.chars[BUFFER_HEIGHT - 2][i].read();
assert_eq!(char::from(screen_char.ascii_character), c);
}
interrupts::without_interrupts(|| {
let mut writer = WRITER.lock();
writeln!(writer, "\n{}", s).expect("writeln failed");
for (i, c) in s.chars().enumerate() {
let screen_char = writer.buffer.chars[BUFFER_HEIGHT - 2][i].read();
assert_eq!(char::from(screen_char.ascii_character), c);
}
});
serial_println!("[ok]");
}