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Fix compilation error for graphical_debug

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This commit is contained in:
Deepak Sirone
2018-06-15 22:08:02 +05:30
parent 145785e206
commit ccbd858043
1 changed files with 3 additions and 2 deletions
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5
src/arch/x86_64/graphical_debug/display.rs
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@@ -1,6 +1,7 @@
use alloc::allocator::{Alloc, Layout};
use alloc::heap::Heap;
use core::{cmp, slice};
use core::ptr::NonNull;
use super::FONT;
use super::primitive::{fast_set32, fast_set64, fast_copy};
@@ -16,7 +17,7 @@ pub struct Display {
impl Display {
pub fn new(width: usize, height: usize, onscreen: usize) -> Display {
let size = width * height;
let offscreen = unsafe { Heap.alloc(Layout::from_size_align_unchecked(size * 4, 4096)).unwrap() };
let offscreen = unsafe { Heap.alloc(Layout::from_size_align_unchecked(size * 4, 4096)).unwrap().as_ptr() };
unsafe { fast_set64(offscreen as *mut u64, 0, size/2) };
Display {
width: width,
@@ -145,6 +146,6 @@ impl Display {
impl Drop for Display {
fn drop(&mut self) {
unsafe { Heap.dealloc(self.offscreen.as_mut_ptr() as *mut u8, Layout::from_size_align_unchecked(self.offscreen.len() * 4, 4096)) };
unsafe { Heap.dealloc(NonNull::new(self.offscreen.as_mut_ptr()).unwrap().as_opaque(), Layout::from_size_align_unchecked(self.offscreen.len() * 4, 4096)) };
}
}