limine_protocol/requests/
smp.rs

1use core::ptr::NonNull;
2
3use crate::responses::SMPResponse;
4
5limine_request! {
6    #[repr(C)]
7    #[derive(Debug)]
8    /// Request the bootloader bootstrap the secondary processors
9    pub struct SMPRequest: [0x95a6_7b81_9a1b_857e, 0xa0b6_1b72_3b6a_73e0] {
10        /// Response pointer
11        pub response: Option<NonNull<SMPResponse>>,
12        /// Flags for the bootloader
13        /// `Bit 0` - Enable X2APIC if available
14        pub flags: u64,
15    }
16}
17
18impl SMPRequest {
19    /// Get the response as a reference, if it's present.
20    ///
21    /// # Safety
22    /// The backing memory must not have been invalidated by the kernel,
23    /// either by writing to the physical memory, changing where it's mapped, or
24    /// unmapping it.
25    #[must_use]
26    pub unsafe fn get_response(&self) -> Option<&SMPResponse> {
27        Some(self.response?.as_ref())
28    }
29}