39 lines
1.0 KiB
Rust
39 lines
1.0 KiB
Rust
use {
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alloc::alloc::{alloc_zeroed, dealloc, handle_alloc_error},
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core::{alloc::Layout, ptr::NonNull},
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virtio_drivers::{BufferDirection, Hal, PhysAddr, PAGE_SIZE},
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};
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pub fn test() {
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let ps = virtio_drivers::PAGE_SIZE;
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}
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pub struct AbleosHal;
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unsafe impl Hal for AbleosHal {
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fn dma_alloc(pages: usize, _direction: BufferDirection) -> (PhysAddr, NonNull<u8>) {
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todo!();
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}
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unsafe fn dma_dealloc(_paddr: PhysAddr, vaddr: NonNull<u8>, pages: usize) -> i32 {
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todo!()
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}
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unsafe fn mmio_phys_to_virt(paddr: PhysAddr, _size: usize) -> NonNull<u8> {
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NonNull::new(paddr as _).unwrap()
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}
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unsafe fn share(buffer: NonNull<[u8]>, _direction: BufferDirection) -> PhysAddr {
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todo!()
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}
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unsafe fn unshare(_paddr: PhysAddr, _buffer: NonNull<[u8]>, _direction: BufferDirection) {
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// Nothing to do, as the host already has access to all memory and we didn't copy the buffer
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// anywhere else.
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todo!()
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}
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}
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fn virt_to_phys(vaddr: usize) -> PhysAddr {
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vaddr
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}
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