post-07
This commit is contained in:
Timothy Warren
parent
730df58cc8
commit
29dab9efff
23
Cargo.lock
generated
23
Cargo.lock
generated
@ -24,6 +24,8 @@ version = "0.1.0"
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dependencies = [
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"bootloader 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"pc-keyboard 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"pic8259_simple 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"uart_16550 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -45,6 +47,11 @@ name = "cc"
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version = "1.0.45"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cpuio"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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@ -58,6 +65,19 @@ name = "nodrop"
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version = "0.1.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pc-keyboard"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pic8259_simple"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cpuio 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "raw-cpuid"
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version = "6.1.0"
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@ -145,8 +165,11 @@ dependencies = [
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"checksum bootloader 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "45dd858bd74a742ec0fe887722952c263abd0825aa8d33a3704917a97d7bd41e"
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"checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
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"checksum cc 1.0.45 (registry+https://github.com/rust-lang/crates.io-index)" = "4fc9a35e1f4290eb9e5fc54ba6cf40671ed2a2514c3eeb2b2a908dda2ea5a1be"
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"checksum cpuio 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "22b8e308ccfc5acf3b82f79c0eac444cf6114cb2ac67a230ca6c177210068daa"
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"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
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"checksum pc-keyboard 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fff50ab09ba31bcebc0669f4e64c0952fae1acdca9e6e0587e68e4e8443808ac"
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"checksum pic8259_simple 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc64b2fd10828da8521b6cdabe0679385d7d2a3a6d4c336b819d1fa31ba35c72"
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"checksum raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "30a9d219c32c9132f7be513c18be77c9881c7107d2ab5569d205a6a0f0e6dc7d"
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"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
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"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
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@ -8,6 +8,8 @@ edition = "2018"
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[dependencies]
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bootloader = "0.8.1"
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pc-keyboard = "0.3.1"
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pic8259_simple = "0.1.1"
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spin = "0.5.2"
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uart_16550 = "0.2.0"
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volatile = "0.2.6"
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@ -1,8 +1,11 @@
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use lazy_static::lazy_static;
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use pic8259_simple::ChainedPics;
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use spin;
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use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
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use crate::gdt;
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use crate::println;
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use crate::hlt_loop;
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use crate::{print, println};
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#[cfg(test)]
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use crate::{serial_print, serial_println};
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@ -15,6 +18,10 @@ lazy_static!{
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idt.double_fault.set_handler_fn(double_fault_handler)
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.set_stack_index(gdt::DOUBLE_FAULT_IST_INDEX);
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}
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idt[InterruptIndex::Timer.as_usize()]
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.set_handler_fn(timer_interrupt_handler);
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idt[InterruptIndex::Keyboard.as_usize()]
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.set_handler_fn(keyboard_interrupt_handler);
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idt
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};
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@ -33,7 +40,71 @@ extern "x86-interrupt" fn breakpoint_handler(
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extern "x86-interrupt" fn double_fault_handler(
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stack_frame: &mut InterruptStackFrame, _error_code: u64
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) {
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panic!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
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println!("EXCEPTION: DOUBLE FAULT\n{:#?}", stack_frame);
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hlt_loop();
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}
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extern "x86-interrupt" fn timer_interrupt_handler(
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_stack_frame: &mut InterruptStackFrame
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) {
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print!(".");
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unsafe {
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PICS.lock().notify_end_of_interrupt(InterruptIndex::Timer.as_u8());
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}
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}
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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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pub static PICS: spin::Mutex<ChainedPics> = spin::Mutex::new(unsafe {
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ChainedPics::new(PIC_1_OFFSET, PIC_2_OFFSET)
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});
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extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: &mut InterruptStackFrame) {
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use x86_64::instructions::port::Port;
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use pc_keyboard::{Keyboard, ScancodeSet1, DecodedKey, layouts};
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use spin::Mutex;
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lazy_static!{
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static ref KEYBOARD: Mutex<Keyboard<layouts::Us104Key, ScancodeSet1>> =
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Mutex::new(Keyboard::new(layouts::Us104Key, ScancodeSet1));
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}
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let mut keyboard = KEYBOARD.lock();
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let mut port = Port::new(0x60); // PS/2 port
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let scancode: u8 = unsafe { port.read() };
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if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
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if let Some(key) = keyboard.process_keyevent(key_event) {
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match key {
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DecodedKey::Unicode(character) => print!("{}", character),
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DecodedKey::RawKey(key) => print!("{:?}", key),
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}
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}
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}
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unsafe {
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PICS.lock()
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.notify_end_of_interrupt(InterruptIndex::Keyboard.as_u8());
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}
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}
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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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fn as_u8(self) -> u8 {
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self as u8
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}
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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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#[test_case]
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12
src/lib.rs
12
src/lib.rs
@ -25,7 +25,7 @@ pub fn test_panic_handler(info: &PanicInfo) -> ! {
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serial_println!("[failed]\n");
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serial_println!("Error: {}\n", info);
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exit_qemu(QemuExitCode::Failed);
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loop {}
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hlt_loop();
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}
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/// Entry point for `cargo xtest`
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@ -34,7 +34,7 @@ pub fn test_panic_handler(info: &PanicInfo) -> ! {
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pub extern "C" fn _start() -> ! {
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init();
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test_main();
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loop {}
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hlt_loop();
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}
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#[cfg(test)]
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@ -59,7 +59,15 @@ pub fn exit_qemu(exit_code: QemuExitCode) {
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}
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}
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pub fn hlt_loop() -> ! {
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loop {
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x86_64::instructions::hlt();
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}
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}
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pub fn init() {
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gdt::init();
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interrupts::init_idt();
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unsafe { interrupts::PICS.lock().initialize() };
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x86_64::instructions::interrupts::enable();
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}
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@ -13,7 +13,7 @@ use blog_os::println;
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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println!("{}", info);
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loop {}
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blog_os::hlt_loop();
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}
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#[cfg(test)]
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@ -32,5 +32,5 @@ pub extern "C" fn _start() -> ! {
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test_main();
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println!("It did not crash!");
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loop {}
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blog_os::hlt_loop();
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}
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@ -13,8 +13,12 @@ lazy_static! {
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#[doc(hidden)]
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pub fn _print(args: ::core::fmt::Arguments) {
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use core::fmt::Write;
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use x86_64::instructions::interrupts;
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interrupts::without_interrupts(|| {
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SERIAL1
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.lock()
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.write_fmt(args)
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.expect("Printing to serial failed");
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});
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}
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@ -134,7 +134,11 @@ lazy_static! {
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#[doc(hidden)]
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pub fn _print(args: fmt::Arguments) {
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use core::fmt::Write;
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use x86_64::instructions::interrupts;
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interrupts::without_interrupts(|| {
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WRITER.lock().write_fmt(args).unwrap();
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});
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}
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#[test_case]
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@ -155,14 +159,20 @@ fn test_println_many() {
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#[test_case]
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fn test_println_output() {
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use core::fmt::Write;
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use x86_64::instructions::interrupts;
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serial_print!("test_println_output... ");
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let s = "Some test string that fits on a single line";
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println!("{}", s);
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interrupts::without_interrupts(|| {
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let mut writer = WRITER.lock();
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writeln!(writer, "\n{}", s).expect("writeln failed");
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for (i, c) in s.chars().enumerate() {
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let screen_char = WRITER.lock().buffer.chars[BUFFER_HEIGHT - 2][i].read();
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let screen_char = writer.buffer.chars[BUFFER_HEIGHT - 2][i].read();
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assert_eq!(char::from(screen_char.ascii_character), c);
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}
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});
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serial_println!("[ok]");
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}
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