use core::ptr::NonNull;
use crate::responses::HHDMResponse;
limine_request! {
#[repr(C)]
#[derive(Debug)]
/// Request Higher Half Direct Mapping be enabled
pub struct HHDMRequest: [0x48dc_f1cb_8ad2_b852, 0x6398_4e95_9a98_244b] {
/// Response pointer
pub response: Option<NonNull<HHDMResponse>>,
}
}
impl HHDMRequest {
/// Get the response as a reference, if it's present.
///
/// # Safety
/// The backing memory must not have been invalidated by the kernel,
/// either by writing to the physical memory, changing where it's mapped, or
/// unmapping it.
#[must_use]
pub unsafe fn get_response(&self) -> Option<&HHDMResponse> {
Some(self.response?.as_ref())
}
}