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#![deny(improper_ctypes)] #![no_std] use core::ops::Deref; use core::slice; pub use memory_map::*; const VERSION: u64 = 5; mod memory_map; #[derive(Debug)] #[repr(C)] pub struct BootInfo { pub version: u64, pub p4_table_addr: u64, pub memory_map: MemoryMap, pub package: Package, } #[derive(Debug)] #[repr(C)] pub struct Package { ptr: *const u8, len: u64, } impl Deref for Package { type Target = [u8]; fn deref(&self) -> &[u8] { unsafe { slice::from_raw_parts(self.ptr, self.len as usize) } } } impl BootInfo { pub fn new(p4_table_addr: u64, memory_map: MemoryMap, package: &'static [u8]) -> Self { BootInfo { version: VERSION, p4_table_addr, memory_map, package: Package { ptr: package.as_ptr(), len: package.len() as u64, }, } } pub fn check_version(&self) -> Result<(), ()> { if self.version == VERSION { Ok(()) } else { Err(()) } } } extern "C" { fn _improper_ctypes_check(_boot_info: BootInfo); }