• Cortex-A8: memcpy() into DMA buffer hangs on NEON instructions
    I am cyclically filling the mmap-ed DMA buffer with my data by copying it from "normal" memory in 290 bytes chunks. At the first cycle memcpy always passes OK. At the second cycle it hangs in __memcpy_neon...
  • Number of byte count
    Iam working with a project using AXI 4.0 protocol with incrememtal burst type .i need to find the number of bytes in each transfer. please anyone help me. thank you in advance
  • how to read 16-bytes from 'hxx00 address(32-byte aligned address) on a 32-byte width data bus,
    if i want to read 16-bytes from 'hxx00 address(32-byte aligned address) on a 32-byte width data bus, what should be the arsize[3:0]? i donot want to put arsize='h5 as it would result in a performance...
  • Is there a more efficient way to swap two bytes?
    I am targeting a Cortex-M0 processor, and am new to Thumb assembly available on the M0. Is there more efficient way to swap two bytes in a 32-bit word (in this example, the middle two bytes)? Thanks!...
  • 8-byte stack alignment for ARM Cortex-A9
    Hello everbody, as i have written before in " Compability between architecture ARMv5TE and ARMv7-A ", we want to change our Platform-Processor from ARM946E-S to an ARM Cortex-A9. The next Point in our...