52 lines
1.6 KiB
Perl
52 lines
1.6 KiB
Perl
#! /usr/bin/perl -w
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
|
|
# convert an Intel HEX file into a set of C records usable by the firmware
|
|
# loading code in usb-serial.c (or others)
|
|
|
|
# accepts the .hex file(s) on stdin, a basename (to name the initialized
|
|
# array) as an argument, and prints the .h file to stdout. Typical usage:
|
|
# perl ezusb_convert.pl foo <foo.hex >fw_foo.h
|
|
|
|
|
|
my $basename = $ARGV[0];
|
|
die "no base name specified" unless $basename;
|
|
|
|
while (<STDIN>) {
|
|
# ':' <len> <addr> <type> <len-data> <crc> '\r'
|
|
# len, type, crc are 2-char hex, addr is 4-char hex. type is 00 for
|
|
# normal records, 01 for EOF
|
|
my($lenstring, $addrstring, $typestring, $reststring, $doscrap) =
|
|
/^:(\w\w)(\w\w\w\w)(\w\w)(\w+)(\r?)$/;
|
|
die "malformed line: $_" unless $reststring;
|
|
last if $typestring eq '01';
|
|
my($len) = hex($lenstring);
|
|
my($addr) = hex($addrstring);
|
|
my(@bytes) = unpack("C*", pack("H".(2*$len), $reststring));
|
|
#pop(@bytes); # last byte is a CRC
|
|
push(@records, [$addr, \@bytes]);
|
|
}
|
|
|
|
@sorted_records = sort { $a->[0] <=> $b->[0] } @records;
|
|
|
|
print <<"EOF";
|
|
/*
|
|
* ${basename}_fw.h
|
|
*
|
|
* Generated from ${basename}.s by ezusb_convert.pl
|
|
* This file is presumed to be under the same copyright as the source file
|
|
* from which it was derived.
|
|
*/
|
|
|
|
EOF
|
|
|
|
print "static const struct ezusb_hex_record ${basename}_firmware[] = {\n";
|
|
foreach $r (@sorted_records) {
|
|
printf("{ 0x%04x,\t%d,\t{", $r->[0], scalar(@{$r->[1]}));
|
|
print join(", ", map {sprintf('0x%02x', $_);} @{$r->[1]});
|
|
print "} },\n";
|
|
}
|
|
print "{ 0xffff,\t0,\t{0x00} }\n";
|
|
print "};\n";
|