Replace all physalloc usages with Dma.

2023-11-17 19:36:28 +01:00
parent 0d99333c3f
commit ea73da92bf
9 changed files with 153 additions and 157 deletions
@@ -86,6 +86,16 @@ impl<T> Dma<[T]> {

        Ok(Dma { phys, aligned_len, virt: ptr::slice_from_raw_parts_mut(virt.cast(), count) })
    }
+    pub unsafe fn cast_slice<U>(self) -> Dma<[U]> {
+        let Dma { phys, virt, aligned_len } = self;
+        core::mem::forget(self);
+
+        Dma {
+            phys,
+            virt: virt as *mut [U],
+            aligned_len,
+        }
+    }
 }
 impl<T> Dma<[MaybeUninit<T>]> {
    pub unsafe fn assume_init(self) -> Dma<[T]> {