package dma_pkg{

  buffer data_b{
    rand bit[32]  size;
    constraint size in [64..4096];
  };


  component dma_c {
    action mem2mem_a{
      input data_b   src;
      output  data_b dst;
      rand bit[64] src_addr,dst_addr;
      constraint c_align{
        src_addr%4==0;
        dst_addr % 4 == 0;
      }
    }
    function bit[64] chan_base( int index ){ return DMA_CH_BASE+index*DMA_CH_STRIDE; }
  }
}