| 1 |
20 |
jt_eaton |
eval 'exec `which perl` -S $0 ${1+"$@"}'
|
| 2 |
|
|
if 0;
|
| 3 |
|
|
|
| 4 |
|
|
#/**********************************************************************/
|
| 5 |
|
|
#/* */
|
| 6 |
|
|
#/* ------- */
|
| 7 |
|
|
#/* / SOC \ */
|
| 8 |
|
|
#/* / GEN \ */
|
| 9 |
|
|
#/* / TOOL \ */
|
| 10 |
|
|
#/* ============== */
|
| 11 |
|
|
#/* | | */
|
| 12 |
|
|
#/* |____________| */
|
| 13 |
|
|
#/* */
|
| 14 |
|
|
#/* Converts a intel hex file into a 8 bit verilog readmemh format */
|
| 15 |
|
|
#/* */
|
| 16 |
|
|
#/* */
|
| 17 |
|
|
#/* Author(s): */
|
| 18 |
|
|
#/* - John Eaton, jt_eaton@opencores.org */
|
| 19 |
|
|
#/* */
|
| 20 |
|
|
#/**********************************************************************/
|
| 21 |
|
|
#/* */
|
| 22 |
|
|
#/* Copyright (C) <2010> */
|
| 23 |
|
|
#/* */
|
| 24 |
|
|
#/* This source file may be used and distributed without */
|
| 25 |
|
|
#/* restriction provided that this copyright statement is not */
|
| 26 |
|
|
#/* removed from the file and that any derivative work contains */
|
| 27 |
|
|
#/* the original copyright notice and the associated disclaimer. */
|
| 28 |
|
|
#/* */
|
| 29 |
|
|
#/* This source file is free software; you can redistribute it */
|
| 30 |
|
|
#/* and/or modify it under the terms of the GNU Lesser General */
|
| 31 |
|
|
#/* Public License as published by the Free Software Foundation; */
|
| 32 |
|
|
#/* either version 2.1 of the License, or (at your option) any */
|
| 33 |
|
|
#/* later version. */
|
| 34 |
|
|
#/* */
|
| 35 |
|
|
#/* This source is distributed in the hope that it will be */
|
| 36 |
|
|
#/* useful, but WITHOUT ANY WARRANTY; without even the implied */
|
| 37 |
|
|
#/* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR */
|
| 38 |
|
|
#/* PURPOSE. See the GNU Lesser General Public License for more */
|
| 39 |
|
|
#/* details. */
|
| 40 |
|
|
#/* */
|
| 41 |
|
|
#/* You should have received a copy of the GNU Lesser General */
|
| 42 |
|
|
#/* Public License along with this source; if not, download it */
|
| 43 |
|
|
#/* from http://www.opencores.org/lgpl.shtml */
|
| 44 |
|
|
#/* */
|
| 45 |
|
|
#/**********************************************************************/
|
| 46 |
|
|
|
| 47 |
|
|
# ToDO: add handling unaligned words
|
| 48 |
|
|
|
| 49 |
|
|
|
| 50 |
|
|
############################################################################
|
| 51 |
|
|
# General PERL config
|
| 52 |
|
|
############################################################################
|
| 53 |
|
|
use Getopt::Long;
|
| 54 |
|
|
use English;
|
| 55 |
|
|
use File::Basename;
|
| 56 |
|
|
|
| 57 |
|
|
$OUTPUT_AUTOFLUSH = 1; # set autoflush of stdout to TRUE.
|
| 58 |
|
|
|
| 59 |
|
|
|
| 60 |
|
|
############################################################################
|
| 61 |
|
|
### Process the options
|
| 62 |
|
|
############################################################################
|
| 63 |
|
|
|
| 64 |
|
|
Getopt::Long::config("require_order", "prefix=-");
|
| 65 |
|
|
GetOptions("h"
|
| 66 |
|
|
) || die "(use '$program_name -h' for help)";
|
| 67 |
|
|
|
| 68 |
|
|
|
| 69 |
|
|
##############################################################################
|
| 70 |
|
|
## Help option
|
| 71 |
|
|
##############################################################################
|
| 72 |
|
|
if ( ($opt_h eq "1") )
|
| 73 |
|
|
{ print "\n type test filename ( no extension)";
|
| 74 |
|
|
print "\n";
|
| 75 |
|
|
exit 1;
|
| 76 |
|
|
}
|
| 77 |
|
|
|
| 78 |
|
|
|
| 79 |
|
|
|
| 80 |
|
|
#############################################################################
|
| 81 |
|
|
##
|
| 82 |
|
|
## open intel hex file and read into array
|
| 83 |
|
|
##
|
| 84 |
|
|
#############################################################################
|
| 85 |
|
|
|
| 86 |
|
|
my $prog_name = $ARGV[0];
|
| 87 |
|
|
|
| 88 |
|
|
my $input_file = ${prog_name}.".hex";
|
| 89 |
|
|
my $output_file = ${prog_name}.".abs";
|
| 90 |
|
|
|
| 91 |
|
|
|
| 92 |
|
|
print "Reading hex File $input_file\n";
|
| 93 |
|
|
print "Writing abs File $output_file\n";
|
| 94 |
|
|
|
| 95 |
|
|
|
| 96 |
|
|
open VERILOG , "> $output_file";
|
| 97 |
|
|
open FILE, $input_file;
|
| 98 |
|
|
|
| 99 |
|
|
open DEFINES , "> ROM_defines.v";
|
| 100 |
|
|
|
| 101 |
|
|
while(){push @intel_hex, $_ ;}
|
| 102 |
|
|
|
| 103 |
|
|
|
| 104 |
|
|
#############################################################################
|
| 105 |
|
|
##
|
| 106 |
|
|
## Clear a storage area for the 8 bit words
|
| 107 |
|
|
##
|
| 108 |
|
|
#############################################################################
|
| 109 |
|
|
|
| 110 |
|
|
|
| 111 |
|
|
my $x=0;
|
| 112 |
|
|
while( $x <= 65535)
|
| 113 |
|
|
{
|
| 114 |
|
|
@Mem[$x] = "0000";
|
| 115 |
|
|
$x = $x+1;
|
| 116 |
|
|
}
|
| 117 |
|
|
|
| 118 |
|
|
|
| 119 |
|
|
#############################################################################
|
| 120 |
|
|
##
|
| 121 |
|
|
## Parse Data into storage
|
| 122 |
|
|
##
|
| 123 |
|
|
#############################################################################
|
| 124 |
|
|
|
| 125 |
|
|
my $pointer = 0;
|
| 126 |
|
|
my $max_pointer = 0;
|
| 127 |
|
|
my $start_address = 65536;
|
| 128 |
|
|
|
| 129 |
|
|
|
| 130 |
|
|
foreach $line (@intel_hex)
|
| 131 |
|
|
{
|
| 132 |
|
|
$colon = substr($line, 0,1);
|
| 133 |
|
|
$length = (cvt(substr($line, 1,1))* 16) + cvt(substr($line, 2,1));
|
| 134 |
|
|
$address = cvt(substr($line, 3,1));
|
| 135 |
|
|
$address = cvt(substr($line, 4,1))+($address *16) ;
|
| 136 |
|
|
$address = cvt(substr($line, 5,1))+($address *16) ;
|
| 137 |
|
|
$address = cvt(substr($line, 6,1))+($address *16) ;
|
| 138 |
|
|
$type = substr($line, 7,2);
|
| 139 |
|
|
|
| 140 |
|
|
|
| 141 |
|
|
|
| 142 |
|
|
if(($type eq "00") )
|
| 143 |
|
|
|
| 144 |
|
|
{
|
| 145 |
|
|
if( $address <= $start_address) {$start_address = $address;}
|
| 146 |
|
|
$x=9;
|
| 147 |
|
|
while( $x <= 7+($length *2))
|
| 148 |
|
|
{
|
| 149 |
|
|
$value = substr($line, $x,2);
|
| 150 |
|
|
$pointer = (($address ) +(($x-9)/2));
|
| 151 |
|
|
if( $pointer > $max_pointer ) {$max_pointer = $pointer}
|
| 152 |
|
|
@Mem[$pointer] = $value;
|
| 153 |
|
|
$x= $x+2;
|
| 154 |
|
|
}
|
| 155 |
|
|
|
| 156 |
|
|
|
| 157 |
|
|
}
|
| 158 |
|
|
|
| 159 |
|
|
|
| 160 |
|
|
|
| 161 |
|
|
|
| 162 |
|
|
}
|
| 163 |
|
|
|
| 164 |
|
|
|
| 165 |
|
|
#############################################################################
|
| 166 |
|
|
##
|
| 167 |
|
|
## dump out up to the last word, undefined space is 000
|
| 168 |
|
|
##
|
| 169 |
|
|
#############################################################################
|
| 170 |
|
|
|
| 171 |
|
|
$x = ($start_address);
|
| 172 |
|
|
while( $x <= ($max_pointer))
|
| 173 |
|
|
{
|
| 174 |
|
|
printf VERILOG (" %s\n",@Mem[$x]);
|
| 175 |
|
|
$x = $x+1;
|
| 176 |
|
|
}
|
| 177 |
|
|
|
| 178 |
|
|
|
| 179 |
|
|
$words = ($max_pointer) - ($start_address)+1;
|
| 180 |
|
|
printf DEFINES ("`define PROG_FILE /${prog_name}.abs\n" );
|
| 181 |
|
|
printf DEFINES ("`define ROM_WIDTH 8\n" );
|
| 182 |
|
|
printf DEFINES ("`define ROM_WORDS $words \n" );
|
| 183 |
|
|
|
| 184 |
|
|
|
| 185 |
|
|
#############################################################################
|
| 186 |
|
|
##
|
| 187 |
|
|
## convert 0-9,A-F to decimal or 0 if out of range
|
| 188 |
|
|
##
|
| 189 |
|
|
#############################################################################
|
| 190 |
|
|
|
| 191 |
|
|
|
| 192 |
|
|
sub cvt {
|
| 193 |
|
|
|
| 194 |
|
|
$temp = ord($_[0]);
|
| 195 |
|
|
if( $temp <= 48) { return 0 }
|
| 196 |
|
|
if( $temp <= 58) { return $temp - 48 }
|
| 197 |
|
|
if( $temp <= 64) { return 0 }
|
| 198 |
|
|
if( $temp <= 70) { return ($temp - 65)+10 }
|
| 199 |
|
|
return 0;
|
| 200 |
|
|
|
| 201 |
|
|
|
| 202 |
|
|
|
| 203 |
|
|
}
|
| 204 |
|
|
|
| 205 |
|
|
|
| 206 |
|
|
|
| 207 |
|
|
|
| 208 |
|
|
1
|
| 209 |
|
|
|
| 210 |
|
|
|
