sudo ./reg_rw /dev/xdma0_user 0x000 w 0x0 argc = 5 device: /dev/xdma0_user address: 0x...
User Mode Management Mode Implementing the HSDP-over-PCIe Example Design Opening the Example Design and Generating a Bitstream System Bring-Up Compiling and Loading the Driver Launch hw_server on the Remote or Local Host PC Connecting the Vivado IDE to the hw_server Application for Debu...
The XDMA driver takes care of pinning the user-spacebufmemory so that it cannot be swapped out during the DMA transfer. Read APIs ssize_t read(int fd, void* buf, size_t count) ssize_t pread(int fd, void* buf, size_t count, off_t offset)(Recommended, seeexplaination) ...
No. System calls towrite()/pwrite()return the number of bytes which were written or read. It is up to the caller to make the call again if the operation did not complete. Q: Can XDMA drop data? During normal operations, XDMA does NOT drop data. ...