diff options
Diffstat (limited to 'pack_array.v')
| -rw-r--r-- | pack_array.v | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pack_array.v b/pack_array.v new file mode 100644 index 0000000..26e6049 --- /dev/null +++ b/pack_array.v @@ -0,0 +1,16 @@ + +`define PACK_ARRAY(PK_WIDTH,PK_LEN,PK_SRC,PK_DEST) genvar pk_idx; generate for (pk_idx=0; pk_idx<(PK_LEN); pk_idx=pk_idx+1) begin; assign PK_DEST[((PK_WIDTH)*pk_idx+((PK_WIDTH)-1)):((PK_WIDTH)*pk_idx)] = PK_SRC[pk_idx][((PK_WIDTH)-1):0]; end; endgenerate + +`define UNPACK_ARRAY(PK_WIDTH,PK_LEN,PK_DEST,PK_SRC) genvar unpk_idx; generate for (unpk_idx=0; unpk_idx<(PK_LEN); unpk_idx=unpk_idx+1) begin; assign PK_DEST[unpk_idx][((PK_WIDTH)-1):0] = PK_SRC[((PK_WIDTH)*unpk_idx+(PK_WIDTH-1)):((PK_WIDTH)*unpk_idx)]; end; endgenerate + + +module example ( + input [63:0] pack_4_16_in, + output [31:0] pack_16_2_out + ); + +wire [3:0] in [0:15]; +`UNPACK_ARRAY(4,16,in,pack_4_16_in) + +wire [15:0] out [0:1]; +`PACK_ARRAY(16,2,in,pack_16_2_out) |