ax-api 0.5.0

Public APIs and types for ArceOS modules
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

use core::alloc::Layout;

cfg_alloc! {
    use core::ptr::NonNull;

    pub fn ax_alloc(layout: Layout) -> Option<NonNull<u8>> {
        ax_alloc::global_allocator().alloc(layout).ok()
    }

    pub fn ax_dealloc(ptr: NonNull<u8>, layout: Layout) {
        ax_alloc::global_allocator().dealloc(ptr, layout)
    }
}

cfg_dma! {
    pub use ax_dma::DMAInfo;

    pub unsafe fn ax_alloc_coherent(layout: Layout) -> Option<DMAInfo> {
        ax_dma::alloc_coherent(layout).ok()
    }

    pub unsafe fn ax_dealloc_coherent(dma: DMAInfo, layout: Layout) {
        ax_dma::dealloc_coherent(dma, layout)
    }
}