Crate axdma

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ArceOS global DMA allocator.

Structs§

  • BusAddr
    A bus memory address.
  • DMAInfo
    Represents information related to a DMA operation.

Functions§

  • alloc_coherent⚠
    Allocates coherent memory that meets Direct Memory Access (DMA) requirements.
  • dealloc_coherent⚠
    Frees coherent memory previously allocated.
  • phys_to_bus
    Converts a physical address to a bus address.