fdt_parser/cache/
mod.rs

1mod fdt;
2mod node;
3
4use core::ops::Deref;
5
6pub use fdt::*;
7pub use node::*;
8
9struct Align4Vec {
10    ptr: *mut u8,
11    size: usize,
12}
13
14unsafe impl Send for Align4Vec {}
15
16impl Align4Vec {
17    const ALIGN: usize = 4;
18
19    pub fn new(data: &[u8]) -> Self {
20        let size = data.len();
21        let layout = core::alloc::Layout::from_size_align(size, Self::ALIGN).unwrap();
22        let ptr = unsafe { alloc::alloc::alloc_zeroed(layout) };
23        unsafe { core::ptr::copy_nonoverlapping(data.as_ptr(), ptr, size) };
24        Align4Vec { ptr, size }
25    }
26}
27
28impl Drop for Align4Vec {
29    fn drop(&mut self) {
30        let layout = core::alloc::Layout::from_size_align(self.size, Self::ALIGN).unwrap();
31        unsafe { alloc::alloc::dealloc(self.ptr, layout) };
32    }
33}
34
35impl Deref for Align4Vec {
36    type Target = [u8];
37
38    fn deref(&self) -> &Self::Target {
39        unsafe { alloc::slice::from_raw_parts(self.ptr, self.size) }
40    }
41}
fdt_parser/cache/mod.rs

fdt_parser/cache/
mod.rs
