/lib/firmware/dsp56k/concat-bootstrap.pl is in linux-firmware 1.127.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | # Postprocessor for dsp56k bootstrap code.
#
# Copyright Ben Hutchings 2011.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
use strict;
use warnings;
my @memory;
my %symbol;
# Reconstruct memory image and symbol table
while (<>) {
if (/^P ([0-9A-F]{4}) ([0-9A-F]{6})\n/) {
$memory[hex($1)] = hex($2);
} elsif (/^I ([0-9A-F]{6}) (\w+)\n/) {
$symbol{$2} = hex($1);
} else {
print STDERR "W: did not recognise line $.\n";
}
}
# Concatenate first and second stage. Second stage is assembled
# between 'upload' and 'upload_end', but initially loaded at
# 'real' (end of the first stage).
for (0 .. ($symbol{real} - 1), $symbol{upload} .. ($symbol{upload_end} - 1)) {
my $word = $memory[$_] || 0;
print pack('CCC', $word / 65536, ($word / 256) % 256, $word % 256);
}
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