mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-15 03:14:50 +00:00
58 lines
1.3 KiB
Perl
Executable File
58 lines
1.3 KiB
Perl
Executable File
#!/usr/bin/env perl
|
|
#
|
|
# srecimage.pl - script to convert a binary image into srec
|
|
# Copyright (c) 2015 - Jo-Philipp Wich <jo@mein.io>
|
|
#
|
|
# This script is in the public domain.
|
|
|
|
use strict;
|
|
|
|
my ($input, $output, $offset) = @ARGV;
|
|
|
|
if (!defined($input) || !-f $input || !defined($output) ||
|
|
!defined($offset) || $offset !~ /^(0x)?[a-fA-F0-9]+$/) {
|
|
die "Usage: $0 <input file> <output file> <load address>\n";
|
|
}
|
|
|
|
sub srec
|
|
{
|
|
my ($type, $addr, $data, $len) = @_;
|
|
my @addrtypes = qw(%04X %04X %06X %08X %08X %04X %06X %08X %06X %04X);
|
|
my $addrstr = sprintf $addrtypes[$type], $addr;
|
|
|
|
$len = length($data) if ($len <= 0);
|
|
$len += 1 + (length($addrstr) / 2);
|
|
|
|
my $sum = $len;
|
|
|
|
foreach my $byte (unpack('C*', pack('H*', $addrstr)), unpack('C*', $data))
|
|
{
|
|
$sum += $byte;
|
|
}
|
|
|
|
return sprintf "S%d%02X%s%s%02X\r\n",
|
|
$type, $len, $addrstr, uc(unpack('H*', $data)), ~($sum & 0xFF) & 0xFF;
|
|
}
|
|
|
|
|
|
open(IN, '<:raw', $input) || die "Unable to open $input: $!\n";
|
|
open(OUT, '>:raw', $output) || die "Unable to open $output: $!\n";
|
|
|
|
my ($basename) = $output =~ m!([^/]+)$!;
|
|
|
|
print OUT srec(0, 0, $basename, 0);
|
|
|
|
my $off = hex($offset);
|
|
my $len;
|
|
|
|
while (defined($len = read(IN, my $buf, 16)) && $len > 0)
|
|
{
|
|
print OUT srec(3, $off, $buf, $len);
|
|
$off += $len;
|
|
}
|
|
|
|
print OUT srec(7, hex($offset), "", 0);
|
|
|
|
close OUT;
|
|
close IN;
|