// Copyright (c) 2025 shibedrill
// SPDX-License-Identifier: GPL-3.0-or-later

use lazy_static::lazy_static;
use limine::{
    request::{ExecutableAddressRequest, HhdmRequest, MemoryMapRequest},
    response::HhdmResponse,
};

use talc::*;

pub extern crate alloc;

#[used]
#[unsafe(link_section = ".requests")]
pub static ADDRESS_REQUEST: ExecutableAddressRequest =
    limine::request::ExecutableAddressRequest::new();

#[used]
#[unsafe(link_section = ".requests")]
pub static MEMMAP_REQUEST: MemoryMapRequest = limine::request::MemoryMapRequest::new();

#[used]
#[unsafe(link_section = ".requests")]
pub static HHDM_REQUEST: HhdmRequest = limine::request::HhdmRequest::new();

lazy_static! {
    pub static ref HHDM_RESPONSE: &'static HhdmResponse = HHDM_REQUEST
        .get_response()
        .expect("Did not get HHDM response from bootloader");
}

// TODO: 10kb kernel heap. Need to figure out how to make this less stupid...
static mut ARENA: [u8; 10000] = [0; 10000];

#[global_allocator]
static ALLOCATOR: Talck<spin::Mutex<()>, ClaimOnOom> =
    Talc::new(unsafe { ClaimOnOom::new(Span::from_array(core::ptr::addr_of!(ARENA).cast_mut())) })
        .lock();