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Add flags to fmap by using a struct for fmap arguments.

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This commit is contained in:
Jeremy Soller
2018-12-28 15:04:23 -07:00
parent f479a66884
commit 114fc92d62
9 changed files with 65 additions and 16 deletions
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src/io/dma.rs
+2 -2
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@@ -32,7 +32,7 @@ pub struct Dma<T> {
impl<T> Dma<T> {
pub fn new(value: T) -> Result<Dma<T>> {
let phys = PhysBox::new(mem::size_of::<T>())?;
let virt = unsafe { ::physmap(phys.address, phys.size, ::MAP_WRITE)? } as *mut T;
let virt = unsafe { ::physmap(phys.address, phys.size, ::PHYSMAP_WRITE)? } as *mut T;
unsafe { ptr::write(virt, value); }
Ok(Dma {
phys: phys,
@@ -42,7 +42,7 @@ impl<T> Dma<T> {
pub fn zeroed() -> Result<Dma<T>> {
let phys = PhysBox::new(mem::size_of::<T>())?;
let virt = unsafe { ::physmap(phys.address, phys.size, ::MAP_WRITE)? } as *mut T;
let virt = unsafe { ::physmap(phys.address, phys.size, ::PHYSMAP_WRITE)? } as *mut T;
unsafe { ptr::write_bytes(virt as *mut u8, 0, phys.size); }
Ok(Dma {
phys: phys,