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Berin Martini
2f10fb29d2
Memory map CMA array from driver
The driver sets ups a DMA contiguous array that will be used as a memory area to share data between the PS and PL. The library memory maps this DMA array to make it available to the host applications. The array is cache coherent and thus data written or read from it bypass the CPU cache and read/write directly from main memory. This ensures that the data is always the same between the host and fpga but at a cost of long data accesses from the host CPU.
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