ableos/ableos/src/arch/x86_64/mod.rs

61 lines
1.4 KiB
Rust

/*
* Copyright (c) 2022, able <abl3theabove@gmail.com>
*
* SPDX-License-Identifier: MPL-2.0
*/
pub mod drivers;
pub mod gdt;
pub mod init;
pub mod interrupts;
pub mod memory;
use limine::*;
use x86_64::{instructions::hlt, VirtAddr};
use crate::serial_println;
use self::drivers::allocator;
static HHDM: LimineHhdmRequest = LimineHhdmRequest::new(0);
static MMAP: LimineMmapRequest = LimineMmapRequest::new(0);
#[no_mangle]
pub fn x86_64_start() -> ! {
let hhdm = HHDM.get_response().get().unwrap();
let mmap = MMAP.get_response().get().unwrap();
let phys_mem_offset = VirtAddr::new(hhdm.offset);
let mut mapper = unsafe { memory::init(phys_mem_offset) };
let mut frame_allocator = unsafe { memory::BootInfoFrameAllocator::init(mmap) };
allocator::init_heap(&mut mapper, &mut frame_allocator).expect("heap initialization failed");
crate::kmain::kernel_main(mapper, frame_allocator);
}
#[allow(unused)]
pub fn shutdown() -> ! {
info!("Shutting down");
unsafe {
cpuio::outw(0x2000, 0x604);
}
sloop();
}
pub fn sloop() -> ! {
loop {
hlt();
}
}
// TODO: Split up into the randomness and the password generation
pub fn generate_process_pass() -> u128 {
// TODO: Move this into entropy_pool module
use rdrand::RdRand;
let gen = RdRand::new().unwrap();
(gen.try_next_u64().unwrap() as u128) << 64 | (gen.try_next_u64().unwrap() as u128)
}