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Page-align size in physmap.

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This commit is contained in:
4lDO2
2022-07-18 16:14:50 +02:00
parent 322af701d6
commit badd5906d5
1 changed files with 6 additions and 2 deletions
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xhcid/src/xhci/mod.rs
+6 -2
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@@ -449,14 +449,18 @@ impl Xhci {
};
PhysBox::new_with_flags(byte_count, flags)
}
fn page_align(size: usize) -> usize {
// TODO: PAGE_SIZE
(size+4095)/4096*4096
}
pub unsafe fn alloc_dma_zeroed_raw<T>(ac64: bool) -> Result<Dma<T>> {
Ok(Dma::from_physbox_zeroed(Self::alloc_phys(ac64, mem::size_of::<T>())?)?.assume_init())
Ok(Dma::from_physbox_zeroed(Self::alloc_phys(ac64, Self::page_align(mem::size_of::<T>()))?)?.assume_init())
}
pub unsafe fn alloc_dma_zeroed<T>(&self) -> Result<Dma<T>> {
Self::alloc_dma_zeroed_raw(self.cap.ac64())
}
pub unsafe fn alloc_dma_zeroed_unsized_raw<T>(ac64: bool, count: usize) -> Result<Dma<[T]>> {
Ok(Dma::from_physbox_zeroed_unsized(Self::alloc_phys(ac64, mem::size_of::<T>() * count)?, count)?.assume_init())
Ok(Dma::from_physbox_zeroed_unsized(Self::alloc_phys(ac64, Self::page_align(mem::size_of::<T>() * count))?, count)?.assume_init())
}
pub unsafe fn alloc_dma_zeroed_unsized<T>(&self, count: usize) -> Result<Dma<[T]>> {
Self::alloc_dma_zeroed_unsized_raw(self.cap.ac64(), count)