assignheader_dmas=dword_cnt[3:0]==3'h0?{8'h0,8'h0,sh_autoact_in,sh_inter_in,sh_dir_in,1'b0,cmd_port_r,8'h41}:// Reserved, Reserved, A I D R PMPort, FIS Type
dword_cnt[3:0]==3'h5?{sh_dma_cnt_in[31:0]}:// DMA Transfer Count
/* 3'h3 | 3'h6 */{32'h0000};// Reserved
assignheader_dmas=dword_cnt[3:0]==4'h0?{8'h0,8'h0,sh_autoact_in,sh_inter_in,sh_dir_in,1'b0,cmd_port_r,8'h41}:// Reserved, Reserved, A I D R PMPort, FIS Type