forked from AbleOS/ableos
83 lines
2.1 KiB
Rust
83 lines
2.1 KiB
Rust
#![allow(clippy::empty_loop)]
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use crate::{
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arch::{drivers::graphics::GraphicsBuffer, init},
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driver_traits::{graphics::Graphics, serial::Serial},
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experiments::systeminfo::{KERNEL_VERSION, RELEASE_TYPE},
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keyboard::DecodedKey,
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relib::math::rand::{linearshift::LinearShiftRegister, prand::PRand, RAND_HANDLE, RNG},
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serial_print, serial_println,
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};
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use lazy_static::lazy_static;
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#[no_mangle]
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#[allow(unconditional_recursion)]
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pub extern "C" fn stack_overflow() -> u8 {
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stack_overflow();
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69 // NOTE: Any specific reason for this number asside from memes?
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}
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lazy_static! {
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pub static ref KEY_BUFFER: [DecodedKey; 256] = [DecodedKey::RawKey(123); 256];
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pub static ref KEY_BUFFER_POINTER: u8 = 0;
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}
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#[no_mangle]
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pub extern "C" fn kernel_main() {
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init::init();
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GraphicsBuffer::draw();
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GraphicsBuffer::hide_cursor();
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GraphicsBuffer::show_cursor();
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seed_rng();
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{
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use alloc::{vec, vec::Vec};
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let x: Vec<u8> = vec![1];
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println!("{:?}", x);
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}
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/* If AES is present then AES init rng as well
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// Maybe via a cfg
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AES::init_rng();
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*/
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println!("{} v{}", RELEASE_TYPE, KERNEL_VERSION);
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{
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use crate::experiments::mail::MailBoxes;
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let mut x = MailBoxes::new();
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x.set_flag(1);
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x.set_flag(2);
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// x.dump_flags();
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}
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// stack_overflow();
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// crate::arch::shutdown();
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loop {}
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}
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// TODO: reimplement for the random handler
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pub fn seed_rng() -> PRand {
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println!("Seeding PRNG");
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let data = TICK.lock();
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let mut rand = PRand::new();
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let seed = rand.rand();
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println!("{:?}", seed);
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rand.seed(*data);
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println!("Seeded PRNG");
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rand
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}
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lazy_static! {
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// TODO: should have a sin wave influence contribution to entropy
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pub static ref TICK: spin::Mutex<u64> = spin::Mutex::new(0);
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}
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/// called by arch specific timers to tick up all kernel related functions
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pub fn tick() {
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let mut data = TICK.lock();
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*data += 1;
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// serial_println!("{}", *data);
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RAND_HANDLE.lock().seed_entropy_timer(*data);
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}
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pub fn key_entropy(key: u8) {
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RAND_HANDLE.lock().seed_entropy_keyboard(key);
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}
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