Subversion Repositories softavrcore

#!/bin/bash

infile=""

depth=8

name=rom_16bit

while [ -n "$1" ]; do

        case "$1" in

                -h|--help)

                        echo -e "Usage:\t$0 [-h|--help] [-w|--width <width>] <16-bit-image.bin>"

                        exit    0

                        ;;

                -w|--width|-d|--depth)

                        depth="$2"

                        shift

                        ;;

                -n|--name)

                        name="$2"

                        shift

                        ;;

                -*)

                        echo -e "$0: error: invalid command line argument near '$1'." >> /dev/stderr

                        exit    1

                        ;;

                *)

                        infile="$1"

                        ;;

        esac; shift

done

if ! [ -n "$infile" ] || ! [ -f "$infile" ]; then

        echo "$0: error: input file is missing or not found." >> /dev/stderr

        exit    1

fi

nword=$((1<<depth))

cat "$infile" /dev/zero | \

head -c $((2*nword)) | \

hexdump -v -e '/2 "%.4x\n"' | \

awk -v f=0 -v i=0 -v n=0 -v nword=$nword -v depth=$depth -v name=$name \

 'BEGIN \

  {     printf("module %s\n",name);

        printf("#(      parameter       flash_width = %d\n",depth);

        printf(" )\n");

        printf(" (      input           clk,\n");

        printf("        input           mem_ce,\n");

        printf("        input   [flash_width-1:0] mem_a,\n");

        printf("        output  [15:0]  mem_d\n");

        printf(" );\n");

        printf("reg [15:0] flash_array [0:2**flash_width-1];\n");

        printf("reg [15:0] data_read;\n");

        printf("assign mem_d = data_read;\n");

        printf("always @(posedge clk) begin\n");

        printf("        if (mem_ce) data_read <= flash_array[mem_a];\n");

        printf("end\n");

        printf("initial begin\n");

  } \

  {     printf("        flash_array[%d]=16%ch%s;\n",n,39,$1);n++;

  } \

 END \

  {     printf("end\n");

        printf("endmodule\n");

  }'