use #!/usr/bin/env perl instead of #!/usr/bin/perl in openwrt scripts (fixes #2998)
[openwrt/svn-archive/archive.git] / scripts / slugimage.pl
1 #!/usr/bin/env perl
2 #
3 # SlugImage : Manipulate NSLU2 firmware images
4 # Dwayne Fontenot (jacques)
5 # Rod Whitby (rwhitby)
6 # www.nslu2-linux.org
7 #
8 # Copyright (c) 2004, 2006, Dwayne Fontenot & Rod Whitby
9 # All rights reserved.
10 #
11 # Redistribution and use in source and binary forms, with or without
12 # modification, are permitted provided that the following conditions
13 # are met:
14 #
15 # Redistributions of source code must retain the above copyright
16 # notice, this list of conditions and the following disclaimer.
17 # Redistributions in binary form must reproduce the above copyright
18 # notice, this list of conditions and the following disclaimer in the
19 # documentation and/or other materials provided with the distribution.
20 # Neither the name of the NSLU2-Linux Development Team nor the names
21 # of its contributors may be used to endorse or promote products
22 # derived from this software without specific prior written
23 # permission.
24 #
25 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
30 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
31 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
32 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
35 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 # POSSIBILITY OF SUCH DAMAGE.
37 #
38
39 use strict;
40 use warnings;
41
42 use Getopt::Long qw(:config no_ignore_case);
43 use POSIX qw(tmpnam);
44
45 my($debug) = 0;
46 my($quiet) = 0;
47 my($flash_start) = 0x50000000;
48 my($flash_len) = 0x00800000;
49 my($block_size) = 0x00020000;
50 my($kernel_offset) = 0x00060000;
51 my($kernel_size) = 0x00100000;
52 my($ramdisk_offset) = 0x00160000;
53 my(@cleanup);
54
55 # The last 70 bytes of the SercommRedBootTrailer (i.e. excluding MAC
56 # address). Needed to create an image with an empty RedBoot partition
57 # since the Sercomm upgrade tool checks for this trailer.
58 # http://www.nslu2-linux.org/wiki/Info/SercommRedBootTrailer
59 my @sercomm_redboot_trailer = (0x4573, 0x4372, 0x4d6f, 0x006d, 0x0001,
60 0x0400, 0x3170, 0x5895, 0x0010, 0x0000, 0x0000, 0x0000, 0x0000,
61 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
62 0x0000, 0x0000, 0x0001, 0x0000, 0x0000, 0x0000, 0x0003, 0x2300,
63 0x0063, 0x0000, 0x7320, 0x7245, 0x6f43, 0x6d4d);
64
65 # There's a 16 byte Sercomm trailer at the end of the flash. It is used
66 # by RedBoot to detect a Sercomm flash layout and to configure the
67 # Sercomm upgrade system.
68 # http://www.nslu2-linux.org/wiki/Info/SercommFlashTrailer
69 my @sercomm_flash_trailer = (0x0100, 0x0000, 0x6323, 0xf790, 0x5265,
70 0x4f63, 0x4d6d, 0xb400);
71
72 # Take $data, and pad it out to $total_len bytes, appending 0xff's.
73 sub padBytes {
74 my($data,$total_len) = @_;
75
76 # 0xFF is used to pad, as it's the erase value of the flash.
77 my($pad_char) = pack("C",0xff);
78 my($pad_len) = $total_len - length($data);
79
80 # A request for negative padding is indicative of a logic error ...
81 if (length($data) > $total_len) {
82 die sprintf("padBytes error: data (%d) is longer than total_len (%d)", length($data), $total_len);
83 }
84
85 return $data . ($pad_char x $pad_len);
86 }
87
88 # Return the next multiple of block_size larger than or equal to $data_len.
89 sub paddedSize {
90 my($data_len) = @_;
91
92 use integer;
93 return (($data_len - 1) / $block_size) * $block_size + $block_size;
94 }
95
96 # Return the number of block_size blocks required to hold $data_len.
97 sub numBlocks {
98 my($data_len) = @_;
99
100 use integer;
101 return (($data_len - 1) / $block_size) + 1;
102 }
103
104 # Pack the name, address, size and optional skip regions of a partition entry into binary form.
105 sub createPartitionEntry {
106 my($name, $flash_base, $size, $skips) = @_;
107 my $entry;
108
109 my($zero_long) = 0x0000;
110
111 # Pack the partition entry according to the format that RedBoot (and the MTD partition parsing code) requires.
112 $entry = pack("a16N5x212N2",$name,$flash_base,$zero_long,$size,$zero_long,$zero_long,$zero_long,$zero_long);
113
114 # Optionally put a skip header into the padding area.
115 if (defined $skips) {
116 my $i = scalar(@$skips);
117 foreach my $region (@$skips) {
118 substr($entry, -8 - 12*$i, 12) =
119 pack("a4N2", "skip", $region->{'offset'}, $region->{'size'});
120 $i--;
121 }
122 }
123
124 return $entry;
125 }
126
127 # Parse partition entry and return anon array ref [$name, $offset, $size, $skip] or return 0 on partition terminator.
128 sub parsePartitionEntry {
129 my($partition_entry) = @_;
130
131 my($entry_len) = 0x100;
132 length($partition_entry) eq $entry_len or die "parsePartitionEntry: partition entry length is not $entry_len!\n";
133
134 # Unpack the partition table entry, saving those values in which we are interested.
135 my($name, $flash_base, $size, $dummy_long, $padding, $skips);
136 ($name, $flash_base, $dummy_long, $size, $dummy_long, $dummy_long, $padding, $dummy_long, $dummy_long) =
137 unpack("a16N5a212N2",$partition_entry);
138
139 # A partition entry starting with 0xFF terminates the table.
140 if (unpack("C", $name) eq 0xff) {
141 # %%% FIXME: This should only skip, not terminate. %%%
142 $debug and print "Found terminator for <FIS directory>\n";
143 return 0;
144 }
145
146 # Remove trailing nulls from the partition name.
147 $name =~ s/\000+//;
148
149 # Extract the skip regions out of the padding area.
150 $padding =~ s/^\000+//;
151 $padding =~ s/\000*skip(........)\000*/$1/g;
152 $padding =~ s/\000+$//;
153
154 # Store the skip regions in an array for later use.
155 while (length($padding)) {
156 my $region = {};
157 ($region->{'offset'}, $region->{'size'}) =
158 unpack("N2", $padding);
159 $debug and printf("Found skip region at 0x%05X, size 0x%05X\n",
160 $region->{'offset'}, $region->{'size'});
161 push(@$skips, $region);
162 $padding = substr($padding,8);
163 }
164
165 return [$name, $flash_base - $flash_start, $size, $skips];
166 }
167
168 # Return partition table from data is one exists, otherwise return 0.
169 sub findPartitionTable {
170 my($data_buf) = @_;
171
172 unpack("a7", $data_buf) eq 'RedBoot' or return 0;
173 return substr($data_buf, 0, 0x1000)
174 }
175
176 # Parse partition table and return array of anonymous array references ([$name, $offset, $size, $skips], ...).
177 sub parsePartitionTable {
178 my($partition_table) = @_;
179
180 my(@partitions, $fields_ref);
181 my($entry_len) = 0x100;
182 my($partition_count) = 0;
183
184 # Loop through the fixed size partition table entries, and store the entries in @partitions.
185 # %%% FIXME: This doesn't handle the case of a completely full partition table. %%%
186 while ($fields_ref = parsePartitionEntry(substr($partition_table, $partition_count * $entry_len, $entry_len))) {
187 $debug and printf("Found <%s> at 0x%08X (%s)%s\n", $fields_ref->[0], $fields_ref->[1],
188 ($fields_ref->[2] >= $block_size ?
189 sprintf("%d blocks", numBlocks($fields_ref->[2])) :
190 sprintf("0x%05X bytes", $fields_ref->[2])),
191 (defined $fields_ref->[3] ?
192 sprintf(" [%s]",
193 join(", ",
194 map { sprintf("0x%05X/0x%05X", $_->{'offset'},$_->{'size'}) }
195 @{$fields_ref->[3]})) :
196 ""));
197 $partitions[$partition_count++] = $fields_ref;
198 }
199 return(@partitions);
200 }
201
202 # Create an empty jffs2 block.
203 sub jffs2Block {
204 return padBytes(pack("N3", 0x19852003, 0x0000000c, 0xf060dc98), $block_size);
205 }
206
207 # Write out $data to $filename,
208 sub writeOut {
209 my($data, $filename) = @_;
210
211 open FILE,">$filename" or die "Can't open file \"$filename\": $!\n";
212
213 if (defined($data)) { print FILE $data;}
214
215 close FILE or die "Can't close file \"$filename\": $!\n";
216 }
217
218 # Not used at the moment.
219 sub trailerData {
220 my($product_id) = 0x0001;
221 my($protocol_id) = 0x0000;
222 my($firmware_version) = 0x2325;
223 my($unknown1) = 0x90f7;
224 my($magic_number) = 'eRcOmM';
225 my($unknown2) = 0x00b9;
226
227 return pack("n4a6n",$product_id,$protocol_id,$firmware_version,$unknown1,$magic_number,$unknown2);
228 }
229
230 # Print the contents of the Sercomm RedBoot trailer.
231 sub printRedbootTrailer {
232 my($redboot_data) = @_;
233
234 my($correct_redboot_len) = 0x40000;
235 my($redboot_data_len) = length($redboot_data);
236
237 if ($redboot_data_len != $correct_redboot_len) {
238 printf("Redboot length (0x%08X) is not 0x%08X\n", $redboot_data_len, $correct_redboot_len);
239 return;
240 }
241
242 # The trailer is the last 80 bytes of the redboot partition.
243 my($redboot_trailer) = substr($redboot_data, -80);
244
245 writeOut($redboot_trailer, 'RedbootTrailer');
246
247 my($mac_addr0, $mac_addr1, $mac_addr2, $unknown, $prefix, $ver_ctrl, $down_ctrl, $hid, $hver, $prodid, $prodidmask,
248 $protid, $protidmask, $funcid, $funcidmask, $fver, $cseg, $csize, $postfix) =
249 unpack("n3Na7n2a32n10a7",$redboot_trailer);
250
251 printf("MAC address is %04X%04X%04X\n", $mac_addr0, $mac_addr1, $mac_addr2);
252 printf("unknown: %08X\n", $unknown);
253 printf("%s:%04X:%04X:%s\n", $prefix, $ver_ctrl, $down_ctrl, $postfix);
254 printf("VerControl: %04X\nDownControl: %04X\n", $ver_ctrl, $down_ctrl);
255 printf("hid: %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X %04X\n", unpack("n16", $hid));
256 printf("Hver: %04X\nProdID: %04X\nProtID: %04X\nFuncID: %04X\nFver: %04X\nCseg: %04X\nCsize: %04X\n",
257 $hver, $prodid, $protid, $funcid, $fver, $cseg, $csize);
258 }
259
260 # remove the optional Loader partition
261 sub removeOptionalLoader {
262 my($partitions_ref) = @_;
263
264 my $index;
265 my $count = 0;
266 map {
267 if (not defined $index) {
268 if ($_->{'name'} eq "Loader") {
269 $index = $count;
270 }
271 $count++;
272 }
273 } @$partitions_ref;
274
275 defined $index or die "Cannot find the Loader partition\n";
276
277 splice(@$partitions_ref, $index, 1);
278
279 # Set fixed offsets and sizes for Kernel and Ramdisk
280 map {
281 if ($_->{'name'} eq 'Kernel') {
282 $_->{'offset'} = $kernel_offset;
283 $_->{'size'} = $kernel_size;
284 $_->{'variable'} = 0;
285 }
286 if ($_->{'name'} eq 'Ramdisk') {
287 $_->{'offset'} = $ramdisk_offset;
288 }
289 } @$partitions_ref;
290
291 return;
292 }
293
294
295 # populate @partitions based on the firmware's partition table
296 sub spliceFirmwarePartitions {
297 my($firmware_buf, $partitions_ref) = @_;
298
299 # we know that partition table, if it exists, begins at start of 'FIS directory' and has max length 0x1000
300 my($partition_table);
301 map {
302 $_->{'name'} eq 'FIS directory' and
303 $partition_table = findPartitionTable(substr($firmware_buf, $_->{'offset'}, $_->{'size'}));
304 } @$partitions_ref;
305
306 # return 0 here if no partition table in FIS directory
307 return if not $partition_table;
308
309 my @new_partitions = parsePartitionTable($partition_table);
310
311 # Remove the optional second stage bootloader if it is not found in the FIS directory.
312 if (not grep { $_->[0] eq 'Loader' } @new_partitions) {
313 removeOptionalLoader($partitions_ref);
314 }
315
316 my($partition_count) = 0;
317 my($splice) = 0;
318 map {
319
320 # Skip pseudo partitions.
321 while (($partition_count < scalar(@$partitions_ref)) and
322 $partitions_ref->[$partition_count]->{'pseudo'}) {
323 $debug and printf("Skipped <%s> (pseudo partition)\n", $partitions_ref->[$partition_count]->{'name'});
324 $partition_count++;
325 }
326
327 # If we are in a variable area, and we haven't reached the end of it,
328 # then splice in another partition for use by the later code.
329 if ($splice and ($partitions_ref->[$partition_count]->{'name'} ne $_->[0])) {
330 $debug and printf("Splicing new partition <%s> before <%s>\n",
331 $_->[0], $partitions_ref->[$partition_count]->{'name'});
332 splice(@{$partitions_ref}, $partition_count, 0, ({'name' => "",'variable'=>1,'header'=>0}));
333 }
334
335 my $partition = $partitions_ref->[$partition_count];
336
337 # Variable partitions can be overridden by the real FIS directory
338 if ($partition->{'variable'}) {
339
340 # Only override the filename if the partition name is not set or doesn't match
341 if ($partition->{'name'} ne $_->[0]) {
342
343 if (length($partition->{'name'})) {
344 $debug and printf("Overwriting <%s> with <%s>\n",
345 $partitions_ref->[$partition_count]->{'name'}, $_->[0]);
346 }
347
348 $partition->{'name'} = $_->[0];
349 $partition->{'file'} = $_->[0];
350 }
351
352 # Set the offset, size and skips based on the real partition table
353 $partition->{'offset'} = $_->[1];
354 $partition->{'size'} = $_->[2];
355 $partition->{'skips'} = $_->[3];
356
357 $debug and printf("Locating <%s> at 0x%08X (%s)\n",
358 $partition->{'name'}, $partition->{'offset'},
359 ($partition->{'size'} >= $block_size ?
360 sprintf("%d blocks", numBlocks($partition->{'size'})) :
361 sprintf("0x%05X bytes", $partition->{'size'})));
362
363 $splice = 1;
364 }
365
366 # Fixed partitions cannot be overridden
367 else {
368 ($partition->{'name'} eq $_->[0]) or
369 die "Unexpected partition <",$_->[0],"> (expecting <",$partition->{'name'},">)\n";
370
371 $debug and printf("Locating <%s> at 0x%08X (%s)\n",
372 $partition->{'name'}, $partition->{'offset'},
373 ($partition->{'size'} >= $block_size ?
374 sprintf("%d blocks", numBlocks($partition->{'size'})) :
375 sprintf("0x%05X bytes", $partition->{'size'})));
376
377 $splice = 0;
378 }
379
380 $partition_count++;
381
382 } @new_partitions;
383
384 return;
385 }
386
387 # Read in an 8MB firmware file, and store the data into @partitions.
388 # Note that the data is only stored in a partition if 'offset' and 'size' are defined,
389 # and it does not already have data stored in it.
390 sub readInFirmware {
391 my($filename, $partitions_ref) = @_;
392
393 my($firmware_buf);
394
395 open FILE,$filename or die "Can't find firmware image \"$filename\": $!\n";
396 read FILE,$firmware_buf,$flash_len or die "Can't read $flash_len bytes from \"$filename\": $!\n";
397 close FILE or die "Can't close \"$filename\": $!\n";
398
399 $debug and printf("Read 0x%08X bytes from \"%s\"\n", length($firmware_buf), $filename);
400
401 spliceFirmwarePartitions($firmware_buf, $partitions_ref);
402
403 # Read the parts of the firmware file into the partitions table.
404 map {
405 if (defined $_->{'offset'} and defined $_->{'size'}) {
406
407 if (defined $_->{'data'}) {
408 $debug and printf("Not overwriting data in <%s>\n", $_->{'name'});
409 }
410 else {
411
412 # Slurp up the data, based on whether a header and/or data is present or not
413 if ($_->{'header'}) {
414
415 # Read the length, and grab the data based on the length.
416 my($data_len) = unpack("N", substr($firmware_buf, $_->{'offset'}));
417
418 # A length of 0xFFFFFFFF means that the area is not initialised
419 if ($data_len != 0xFFFFFFFF) {
420 $debug and printf("Found header size of 0x%08X bytes for <%s>\n", $data_len, $_->{'name'});
421 $_->{'data'} = substr($firmware_buf, $_->{'offset'} + $_->{'header'}, $data_len);
422 }
423 }
424 elsif ($_->{'pseudo'} and not defined $_->{'file'} and
425 (substr($firmware_buf, $_->{'offset'}, $_->{'size'}) eq
426 (pack("C", 0xff) x $_->{'size'}))) {
427 $debug and printf("Skipping empty pseudo partition <%s>\n", $_->{'name'});
428 }
429 else {
430
431 # Grab the whole partition, using the maximum size.
432 $_->{'data'} = substr($firmware_buf, $_->{'offset'}, $_->{'size'});
433 }
434
435 # If skip regions are defined, remove them from the data.
436 if (defined $_->{'skips'}) {
437 my $removed = 0;
438 foreach my $region (@{$_->{'skips'}}) {
439 if (($region->{'offset'} > 0) or
440 not ($_->{'header'} > 0)) {
441 $debug and printf("Removing 0x%05X bytes from offset 0x%05X\n",
442 $region->{'size'}, $region->{'offset'});
443 $region->{'data'} = substr($_->{'data'}, $region->{'offset'} - $removed, $region->{'size'}, '');
444 }
445 $removed += $region->{'size'};
446 }
447 }
448
449 $quiet or defined $_->{'data'} and printf("Read %s into <%s>\n",
450 (length($_->{'data'}) >= $block_size ?
451 sprintf("%d blocks", numBlocks(length($_->{'data'}))) :
452 sprintf("0x%05X bytes", length($_->{'data'}))), $_->{'name'});
453 }
454 }
455 } @$partitions_ref;
456 }
457
458 # Write the partition data stored in memory out into the files associated with each.
459 sub writeOutFirmwareParts {
460 my(@partitions) = @_;
461
462 # Write out the parts of the firmware file.
463 map {
464
465 # We can only write if 'data' and 'file' are defined.
466 if (defined $_->{'file'} and defined $_->{'data'} and length($_->{'data'})) {
467 writeOut($_->{'data'}, $_->{'file'});
468 $quiet or printf("Wrote 0x%08X bytes from <%s> into \"%s\"\n",
469 length($_->{'data'}), $_->{'name'}, $_->{'file'});
470 }
471 else {
472 $debug and printf("Skipping <%s> (%s)\n", $_->{'name'},
473 (not defined $_->{'file'}) ?
474 "no filename specified" :
475 "no data to write");
476 }
477
478 } @partitions;
479
480 return;
481 }
482
483 # Read in the partition data from the files associated with each and store in memory.
484 sub readInFirmwareParts {
485 my(@partitions) = (@_);
486
487 undef $/; # we want to slurp
488
489 map {
490
491 my $file = $_->{'file'};
492 if (defined $file) {
493 open FILE,$file or die "Can't find firmware part \"$file\": $!\n";
494
495 # Slurp in the data
496 $_->{'data'} = <FILE>;
497
498 # close the file
499 close FILE or die "Can't close file \"$file\": $!\n";
500
501 # Optionally byteswap the data
502 if ($_->{'byteswap'}) {
503 # Byte swap the data (which has to be padded to a multiple of 4 bytes).
504 $_->{'data'} = pack("N*", unpack("V*", $_->{'data'}.pack("CCC", 0)));
505 }
506
507 # Keep track of the actual size.
508 my $size;
509
510 if ($_->{'header'}) {
511 if ($_->{'pseudo'}) {
512 $size = $_->{'header'} + length($_->{'data'});
513 }
514 else {
515 $size = paddedSize($_->{'header'} + length($_->{'data'}));
516 }
517 }
518 elsif (not $_->{'pseudo'}) {
519 $size = paddedSize(length($_->{'data'}));
520 }
521 else {
522 $size = length($_->{'data'});
523 }
524
525 # Check to make sure the file contents are not too large.
526 if (defined $_->{'size'} and ($size > $_->{'size'})) {
527 die sprintf("Ran out of flash space in <%s> - %s too large.\n", $_->{'name'},
528 sprintf("0x%05X bytes", ($size - $_->{'size'})));
529 }
530
531 # If the partition does not have a fixed size, the calculate the size.
532 if (not defined $_->{'size'}) {
533 $_->{'size'} = $size;
534 }
535
536 # Keep the user appraised ...
537 $quiet or printf("Read 0x%08X bytes from \"%s\" into <%s> (%s / %s)%s\n",
538 length($_->{'data'}), $_->{'file'}, $_->{'name'},
539 ($size >= $block_size ?
540 sprintf("%d blocks", numBlocks($size)) :
541 sprintf("0x%05X bytes", $size)),
542 ($_->{'size'} >= $block_size ?
543 sprintf("%d blocks", numBlocks($_->{'size'})) :
544 sprintf("0x%05X bytes", $_->{'size'})),
545 ($_->{'byteswap'} ? " (byte-swapped)" : ""));
546 }
547
548 } @partitions;
549
550 return;
551 }
552
553 # layoutPartitions : this function must be ugly - it needs to verify RedBoot, SysConf, Kernel, Ramdisk, and
554 # FIS directory partitions exist, are in the correct order, and do not have more data than can fit in
555 # their lengths (fixed for all but Ramdisk, which has a minimum length of one block).
556 # If Rootdisk and/or Userdisk exist, it must also verify that their block padded lengths are not
557 # too great for the available space.
558 # input : an array of hashes, some of which are populated with data
559 # output: same reference with start and size (partition not data) also populated. this populated structure
560 # can then be passed to buildPartitionTable() to generate the actual partition table data
561 sub layoutPartitions {
562 my(@partitions) = @_;
563
564 # Find the kernel partition, and save a pointer to it for later use
565 my $kernel;
566 map { ($_->{'name'} eq "Kernel") && ($kernel = $_); } @partitions;
567 $kernel or die "Couldn't find the kernel partition\n";
568
569 # Find the last variable size partition, and save a pointer to it for later use
570 my $lastdisk;
571 my $directory_offset;
572 my $curdisk = $partitions[0];
573 map {
574 if (not defined $lastdisk) {
575 if ($_->{'name'} eq "FIS directory") {
576 $lastdisk = $curdisk;
577 $directory_offset = $_->{'offset'};
578 }
579 else {
580 $curdisk = $_;
581 }
582 }
583 } @partitions;
584
585 $lastdisk or die "Couldn't find the last variable size partition\n";
586
587 $debug and printf("Last variable size partition is <%s>\n", $lastdisk->{'name'});
588
589 #
590 # here we go through the $partitions array ref and fill in all the values
591 #
592
593 # This points to where the next partition should be placed.
594 my $pointer = $flash_start;
595
596 map {
597
598 $debug and printf("Pointer is 0x%08X\n", $pointer);
599
600 # Determine the start and offset of the current partition.
601 if (defined $_->{'offset'}) {
602 $_->{'start'} = $flash_start + $_->{'offset'};
603 # Check for running past the defined start of the partition.
604 if (($pointer > $_->{'start'}) and not $_->{'pseudo'}) {
605 die sprintf("Ran out of flash space before <%s> - %s too large.\n", $_->{'name'},
606 sprintf("0x%05X bytes", ($pointer - $_->{'start'})));
607 }
608 }
609
610 # If offset is not defined, then calculate it.
611 else {
612 $_->{'start'} = $pointer;
613 $_->{'offset'} = $_->{'start'} - $flash_start;
614 }
615
616 my $size = defined $_->{'data'} ? length($_->{'data'}) : 0;
617
618 # Add skip regions for the partitions with headers.
619 if ($_->{'header'} > 0) {
620 # Define the skip region for the initial Sercomm header.
621 push(@{$_->{'skips'}},
622 { 'offset' => 0, 'size' => $_->{'header'}, 'data' => undef });
623 # Allow for the Sercomm header to be prepended to the data.
624 $size += $_->{'header'};
625
626 # Determine if the partition overlaps the ramdisk boundary.
627 if (($_->{'offset'} < $ramdisk_offset) and
628 (($_->{'offset'} + $size) > $ramdisk_offset)) {
629 # Define the skip region for the inline Sercomm header.
630 push(@{$_->{'skips'}},
631 { 'offset' => ($ramdisk_offset - $_->{'offset'}), 'size' => 16,
632 'data' => pack("N4", $block_size) });
633 # Allow for the Sercomm header to be inserted in the data.
634 $size += 16;
635 }
636 }
637
638 # Partitions without headers cannot have skip regions.
639 elsif (($_->{'offset'} <= $ramdisk_offset) and
640 (($_->{'offset'} + $size) > $ramdisk_offset)) {
641 # Pad the kernel until it extends past the ramdisk offset.
642 push(@{$kernel->{'skips'}},
643 { 'offset' => ($ramdisk_offset - $kernel->{'offset'}), 'size' => 16,
644 'data' => pack("N4", $block_size) });
645 $kernel->{'size'} = $ramdisk_offset - $kernel->{'offset'} + $block_size;
646 $kernel->{'data'} = padBytes($kernel->{'data'},
647 $kernel->{'size'} - $kernel->{'header'} - 16);
648 $_->{'offset'} = $ramdisk_offset + $block_size;
649 $_->{'start'} = $flash_start + $_->{'offset'};
650 $pointer = $_->{'start'};
651 $debug and printf("Extending kernel partition past ramdisk offset.\n");
652 }
653
654 # If this is the last variable size partition, then fill the rest of the space.
655 if ($_->{'name'} eq $lastdisk->{'name'}) {
656 $_->{'size'} = paddedSize($directory_offset + $flash_start - $pointer);
657 $debug and printf("Padding last variable partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
658 }
659
660 die sprintf("Partition size not defined in <%s>.\n", $_->{'name'})
661 unless defined $_->{'size'};
662
663 # Extend to another block if required.
664 if ($size > $_->{'size'}) {
665 if ($_->{'name'} eq $lastdisk->{'name'}) {
666 die sprintf("Ran out of flash space in <%s> - %s too large.\n", $_->{'name'},
667 sprintf("0x%05X bytes", ($size - $_->{'size'})));
668 }
669 $_->{'size'} = $size;
670 printf("Extending partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
671 }
672
673 # Keep the user appraised ...
674 $debug and printf("Allocated <%s> from 0x%08X to 0x%08X (%s / %s)\n",
675 $_->{'name'}, $_->{'start'}, $_->{'start'} + $_->{'size'},
676 ($size >= $block_size ?
677 sprintf("%d blocks", numBlocks($size)) :
678 sprintf("0x%05X bytes", $size)),
679 ($_->{'size'} >= $block_size ?
680 sprintf("%d blocks", numBlocks($_->{'size'})) :
681 sprintf("0x%05X bytes", $_->{'size'})));
682
683 # Check to make sure we have not run out of room.
684 if (($_->{'start'} + $_->{'size'}) > ($flash_start + $flash_len)) {
685 die "Ran out of flash space in <", $_->{'name'}, ">\n";
686 }
687
688 $debug and printf("Moving pointer from 0x%08X to 0x%08X (0x%08X + 0x%08X)\n",
689 $pointer, paddedSize($_->{'start'} + $_->{'size'}),
690 $_->{'start'}, $_->{'size'});
691
692 # Move the pointer up, in preparation for the next partition.
693 $pointer = paddedSize($_->{'start'} + $_->{'size'});
694
695 } @partitions;
696
697 return;
698 }
699
700 sub buildPartitionTable {
701 my(@partitions) = @_;
702
703 my($flash_start) = 0x50000000;
704 my($partition_data) = '';
705
706 map {
707
708 # Collate the partition data for all known partitions.
709 if (not $_->{'pseudo'} and defined $_->{'offset'} and defined $_->{'size'}) {
710
711 # Pack and append the binary table entry for this partition.
712 $partition_data .= createPartitionEntry($_->{'name'}, $_->{'offset'} + $flash_start,
713 $_->{'size'}, $_->{'skips'});
714
715 # If this is the FIS directory, then write the partition table data into it.
716 if ($_->{'name'} eq "FIS directory") {
717 # Explicitly terminate the partition data.
718 $partition_data .= pack("C",0xff) x 0x100;
719 $_->{'data'} = padBytes($partition_data, $_->{'size'});
720 }
721
722 my $size = length($_->{'data'});
723
724 # Keep the user appraised ...
725 $debug and printf("Table entry <%s> from 0x%08X to 0x%08X (%s / %s)%s\n",
726 $_->{'name'}, $_->{'start'}, $_->{'start'} + $_->{'size'},
727 ($size >= $block_size ?
728 sprintf("%d blocks", numBlocks($size)) :
729 sprintf("0x%05X bytes", $size)),
730 ($_->{'size'} >= $block_size ?
731 sprintf("%d blocks", numBlocks($_->{'size'})) :
732 sprintf("0x%05X bytes", $_->{'size'})),
733 (defined $_->{'skips'} ?
734 sprintf("\nTable entry <%s> skip %s", $_->{'name'},
735 join(", ",
736 map { sprintf("0x%08X to 0x%08X", $_->{'offset'},
737 $_->{'offset'} + $_->{'size'} - 1) }
738 @{$_->{'skips'}})) :
739 "")
740 );
741 }
742 else {
743 $debug and print "No table entry required for <", $_->{'name'}, ">\n";
744 }
745
746 } @partitions;
747
748 return;
749 }
750
751 sub writeOutFirmware {
752 my($filename, @partitions) = @_;
753
754 # Clear the image to start.
755 my $image_buf = "";
756
757 map {
758
759 # We can only write a partition if it has an offset, a size, and some data to write.
760 if (defined $_->{'offset'} and defined $_->{'size'} and defined $_->{'data'}) {
761
762 # Keep track of the end of the image.
763 my $end_point = length($image_buf);
764
765 # If the next partition is well past the end of the current image, then pad it.
766 if ($_->{'offset'} > $end_point) {
767 $image_buf .= padBytes("", $_->{'offset'} - $end_point);
768 $quiet or printf("Padded %s before <%s> in \"%s\"\n",
769 ((length($image_buf) - $end_point) >= $block_size ?
770 sprintf("%d blocks", numBlocks(length($image_buf) - $end_point)) :
771 sprintf("0x%05X bytes", length($image_buf) - $end_point)),
772 $_->{'name'}, $filename);
773 }
774
775 # If the next parition is before the end of the current image, then rewind.
776 elsif ($_->{'offset'} < $end_point) {
777 $debug and printf("Rewound %s before <%s> in \"%s\"\n",
778 (($end_point - $_->{'offset'}) >= $block_size ?
779 sprintf("%d blocks", numBlocks($end_point - $_->{'offset'})) :
780 sprintf("0x%05X bytes", $end_point - $_->{'offset'})),
781 $_->{'name'}, $filename);
782 # if (($end_point - $_->{'offset'}) >= $block_size) {
783 # die "Allocation error: rewound a full block or more ...\n";
784 # }
785 }
786
787 # If skip regions are defined, add them to the data.
788 if (defined $_->{'skips'}) {
789 my $added = 0;
790 foreach my $region (@{$_->{'skips'}}) {
791 if (($region->{'offset'} > 0) or
792 not ($_->{'header'} > 0)) {
793 $debug and printf("Inserted 0x%05X bytes (at offset 0x%05X) into <%s>\n",
794 $region->{'size'}, $region->{'offset'}, $_->{'name'});
795 substr($_->{'data'},
796 $region->{'offset'} + $added - $_->{'header'},
797 0, $region->{'data'});
798 $added += $region->{'size'};
799 }
800 }
801 }
802
803 # Splice the data into the image at the appropriate place, padding as required.
804 substr($image_buf, $_->{'offset'}, $_->{'size'},
805 $_->{'header'} ?
806 padBytes(pack("N4",length($_->{'data'})).$_->{'data'}, $_->{'size'}) :
807 padBytes($_->{'data'}, $_->{'size'}));
808
809 # Keep the user appraised ...
810 $quiet or printf("Wrote %s (0x%08X to 0x%08X) from <%s> into \"%s\"\n",
811 ($_->{'size'} >= $block_size ?
812 sprintf("%2d blocks", numBlocks($_->{'size'})) :
813 sprintf("0x%05X bytes", $_->{'size'})),
814 $_->{'offset'}, $_->{'offset'}+$_->{'size'}, $_->{'name'}, $filename);
815 }
816
817 # If we are not able to write a partition, then give debug information about why.
818 else {
819 $debug and printf("Skipping <%s> (%s)\n", $_->{'name'},
820 (not defined $_->{'offset'}) ? "no offset defined" :
821 ((not defined $_->{'size'}) ? "no size defined" :
822 "no data available"));
823 }
824
825 } @partitions;
826
827 # Write the image to the specified file.
828 writeOut($image_buf, $filename);
829
830 return;
831 }
832
833 # checkPartitionTable: sanity check partition table - for testing but might evolve into setting @partitions
834 # so that we can write out jffs2 partitions from a read image
835 # currently not nearly paranoid enough
836 sub checkPartitionTable {
837 my($data) = @_;
838
839 my($pointer) = 0;
840 my($entry);
841
842 my($name, $flash_base, $size, $done, $dummy_long, $padding);
843 do {
844 $entry = substr($data, $pointer, 0x100);
845
846 ($name,$flash_base,$dummy_long,$size,$dummy_long,$dummy_long,$padding,$dummy_long,$dummy_long) = unpack("a16N5x212N2",$entry);
847 $name =~ s/\0//g;
848 $debug and printf("pointer: %d\tname: %s%sflash_base: 0x%08X\tsize: 0x%08X\n",
849 $pointer, $name, (" " x (16 - length($name))), $flash_base, $size);
850 $pointer += 0x100;
851 $debug and printf("terminator: 0x%08X\n", unpack("C", substr($data, $pointer, 1)));
852 if (unpack("C", substr($data, $pointer, 1)) eq 0xff) {
853 $done = 1;
854 }
855 } until $done;
856 }
857
858 sub printPartitions {
859 my(@partitions) = @_;
860
861 my($offset, $size, $skips);
862 map {
863 # defined $_->{'size'} ? $size = $_->{'size'} : $size = undef;
864
865 if (defined $_->{'size'}) {
866 $size = $_->{'size'};
867 }
868 else {
869 $size = undef;
870 }
871 if (defined $_->{'offset'}) {
872 $offset = $_->{'offset'};
873 }
874 else {
875 $offset = undef;
876 }
877 if (defined $_->{'skips'}) {
878 $skips = $_->{'skips'};
879 }
880 else {
881 $skips = undef;
882 }
883 printf("%s%s", $_->{'name'}, (" " x (16 - length($_->{'name'}))));
884 if (defined $offset) { printf("0x%08X\t", $offset); } else { printf("(undefined)\t"); };
885 if (defined $size) { printf("0x%08X", $size); } else { printf("(undefined)"); };
886 if (defined $skips) {
887 printf("\t[%s]",
888 join(", ",
889 map { sprintf("0x%05X/0x%05X", $_->{'offset'}, $_->{'size'}); }
890 @$skips));
891 }
892 printf("\n");
893 } @partitions;
894 }
895
896 sub defaultPartitions {
897
898 return ({'name'=>'RedBoot', 'file'=>'RedBoot',
899 'offset'=>0x00000000, 'size'=>0x00040000,
900 'variable'=>0, 'header'=>0, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
901 {'name'=>'EthAddr', 'file'=>undef,
902 'offset'=>0x0003ffb0, 'size'=>0x00000006,
903 'variable'=>0, 'header'=>0, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0},
904 {'name'=>'SysConf', 'file'=>'SysConf',
905 'offset'=>0x00040000, 'size'=>0x00020000,
906 'variable'=>0, 'header'=>0, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
907 {'name'=>'Loader', 'file'=>'apex.bin',
908 'offset'=>undef, 'size'=>undef,
909 'variable'=>1, 'header'=>16, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
910 {'name'=>'Kernel', 'file'=>'vmlinuz',
911 'offset'=>undef, 'size'=>undef,
912 'variable'=>1, 'header'=>16, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
913 {'name'=>'Ramdisk', 'file'=>'ramdisk.gz',
914 'offset'=>undef, 'size'=>undef,
915 'variable'=>1, 'header'=>16, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
916 {'name'=>'FIS directory', 'file'=>undef,
917 'offset'=>0x007e0000, 'size'=>0x00020000,
918 'variable'=>0, 'header'=>0, 'pseudo'=>0, 'data'=>undef, 'byteswap'=>0},
919 {'name'=>'Loader config', 'file'=>undef,
920 'offset'=>0x007f8000, 'size'=>0x00004000,
921 'variable'=>0, 'header'=>0, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0},
922 {'name'=>'Microcode', 'file'=>'NPE-B',
923 'offset'=>0x007fc000, 'size'=>0x00003fe0,
924 'variable'=>0, 'header'=>16, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0},
925 {'name'=>'Trailer', 'file'=>'Trailer',
926 'offset'=>0x007ffff0, 'size'=>0x00000010,
927 'variable'=>0, 'header'=>0, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0});
928 }
929
930 # Main routine starts here ...
931
932 my($unpack, $pack, $little, $fatflash, $input, $output, $redboot);
933 my($kernel, $sysconf, $ramdisk, $fisdir);
934 my($microcode, $trailer, $ethaddr, $loader);
935
936 END {
937 # Remove temporary files
938 for my $file (@cleanup) {
939 unlink $file;
940 }
941 }
942
943 if (!GetOptions("d|debug" => \$debug,
944 "q|quiet" => \$quiet,
945 "u|unpack" => \$unpack,
946 "p|pack" => \$pack,
947 "l|little" => \$little,
948 "F|fatflash" => \$fatflash,
949 "i|input=s" => \$input,
950 "o|output=s" => \$output,
951 "b|redboot=s" => \$redboot,
952 "k|kernel=s" => \$kernel,
953 "s|sysconf=s" => \$sysconf,
954 "r|ramdisk=s" => \$ramdisk,
955 "f|fisdir=s" => \$fisdir,
956 "m|microcode=s" => \$microcode,
957 "t|trailer=s" => \$trailer,
958 "e|ethaddr=s" => \$ethaddr,
959 "L|loader=s" => \$loader,
960 ) or (not defined $pack and not defined $unpack)) {
961 print "Usage: slugimage <options>\n";
962 print "\n";
963 print " [-d|--debug] Turn on debugging output\n";
964 print " [-q|--quiet] Turn off status messages\n";
965 print " [-u|--unpack] Unpack a firmware image\n";
966 print " [-p|--pack] Pack a firmware image\n";
967 print " [-l|--little] Convert Kernel and Ramdisk to little-endian\n";
968 print " [-F|--fatflash] Generate an image for 16MB flash\n";
969 print " [-i|--input] <file> Input firmware image filename\n";
970 print " [-o|--output] <file> Output firmware image filename\n";
971 print " [-b|--redboot] <file> Input/Output RedBoot filename\n";
972 print " [-s|--sysconf] <file> Input/Output SysConf filename\n";
973 print " [-L|--loader] <file> Second stage boot loader filename\n";
974 print " [-k|--kernel] <file> Input/Ouptut Kernel filename\n";
975 print " [-r|--ramdisk] <file> Input/Output Ramdisk filename(s)\n";
976 print " [-f|--fisdir] <file> Input/Output FIS directory filename\n";
977 print " [-m|--microcode] <file> Input/Output Microcode filename\n";
978 print " [-t|--trailer] <file> Input/Output Trailer filename\n";
979 print " [-e|--ethaddr] <AABBCCDDEEFF> Set the Ethernet address\n";
980
981 # %%% TODO %%% Document --ramdisk syntax
982
983 exit 1;
984 }
985
986 my(@partitions) = defaultPartitions();
987
988 if ($pack) {
989 die "Output filename must be specified\n" unless defined $output;
990
991 # If we're creating an image and no RedBoot, SysConf partition is
992 # explicitly specified, simply write an empty one as the upgrade tools
993 # don't touch RedBoot and SysConf anyway. If no Trailer is specified,
994 # put in one.
995 if (not defined $redboot and not -e "RedBoot") {
996 $redboot = tmpnam();
997 open TMP, ">$redboot" or die "Cannot open file $redboot: $!";
998 push @cleanup, $redboot;
999 # The RedBoot partition is 256 * 1024 = 262144; the trailer we add
1000 # is 70 bytes.
1001 print TMP "\0"x(262144-70);
1002 # Upgrade tools check for an appropriate Sercomm trailer.
1003 for my $i (@sercomm_redboot_trailer) {
1004 print TMP pack "S", $i;
1005 }
1006 close TMP;
1007 }
1008 if (not defined $sysconf and not -e "SysConf") {
1009 $sysconf = tmpnam();
1010 open TMP, ">$sysconf" or die "Cannot open file $sysconf: $!";
1011 push @cleanup, $sysconf;
1012 # The SysConf partition is 128 * 1024 = 131072
1013 print TMP "\0"x131072;
1014 close TMP;
1015 }
1016 if (not defined $trailer and not -e "Trailer") {
1017 $trailer = tmpnam();
1018 open TMP, ">$trailer" or die "Cannot open file $trailer: $!";
1019 push @cleanup, $trailer;
1020 for my $i (@sercomm_flash_trailer) {
1021 print TMP pack "S", $i;
1022 }
1023 close TMP;
1024 }
1025
1026 # If the microcode was not specified, then don't complain that it's missing.
1027 if (not defined $microcode and not -e "NPE-B") {
1028 map { ($_->{'name'} eq 'Microcode') && ($_->{'file'} = undef); } @partitions;
1029 }
1030 }
1031
1032 # Go through the partition options, and set the names and files in @partitions
1033 if (defined $redboot) { map { ($_->{'name'} eq 'RedBoot') && ($_->{'file'} = $redboot); } @partitions; }
1034 if (defined $sysconf) { map { ($_->{'name'} eq 'SysConf') && ($_->{'file'} = $sysconf); } @partitions; }
1035 if (defined $loader) { map { ($_->{'name'} eq 'Loader') && ($_->{'file'} = $loader); } @partitions; }
1036 if (defined $kernel) { map { ($_->{'name'} eq 'Kernel') && ($_->{'file'} = $kernel); } @partitions; }
1037 if (defined $fisdir) { map { ($_->{'name'} eq 'FIS directory') && ($_->{'file'} = $fisdir); } @partitions; }
1038 if (defined $microcode) { map { ($_->{'name'} eq 'Microcode') && ($_->{'file'} = $microcode); } @partitions; }
1039 if (defined $trailer) { map { ($_->{'name'} eq 'Trailer') && ($_->{'file'} = $trailer); } @partitions; }
1040
1041 if (defined $little) {
1042 map {
1043 if (($_->{'name'} eq 'Loader') or
1044 ($_->{'name'} eq 'Kernel') or
1045 ($_->{'name'} eq 'Ramdisk')) {
1046 $_->{'byteswap'} = 1;
1047 }
1048 } @partitions;
1049 }
1050
1051 if (defined $fatflash) {
1052 $flash_len = 0x01000000;
1053 map {
1054 if (($_->{'name'} eq 'FIS directory') or
1055 ($_->{'name'} eq 'Loader config') or
1056 ($_->{'name'} eq 'Microcode') or
1057 ($_->{'name'} eq 'Trailer')) {
1058 $_->{'offset'} += 0x00800000;
1059 }
1060 } @partitions;
1061 }
1062
1063 if (defined $ethaddr) {
1064 map {
1065 if ($_->{'name'} eq 'EthAddr') {
1066 $ethaddr =~ s/://g;
1067 if (($ethaddr !~ m/^[0-9A-Fa-f]+$/) or (length($ethaddr) != 12)) {
1068 die "Invalid ethernet address specification: '".$ethaddr."'\n";
1069 }
1070 $_->{'data'} = pack("H12", $ethaddr);
1071 }
1072 } @partitions;
1073 }
1074
1075 if (defined $ramdisk) {
1076
1077 # A single filename is used for the ramdisk filename
1078 if ($ramdisk !~ m/[:,]/) {
1079 map { ($_->{'name'} eq 'Ramdisk') && ($_->{'file'} = $ramdisk); } @partitions;
1080 }
1081
1082 # otherwise, it's a list of name:file mappings
1083 else {
1084 my @mappings = split(',', $ramdisk);
1085
1086 # Find the index of the Ramdisk entry
1087 my $index;
1088 my $count = 0;
1089 map {
1090 if (not defined $index) {
1091 if ($_->{'name'} eq "Ramdisk") {
1092 $index = $count;
1093 }
1094 $count++;
1095 }
1096 } @partitions;
1097
1098 defined $index or die "Cannot find the Ramdisk partition\n";
1099
1100 # Replace the Ramdisk entry with the new mappings
1101 splice(@partitions, $index, 1, map {
1102
1103 # Preserve the information from the ramdisk entry
1104 my %entry = %{$partitions[$index]};
1105
1106 # Parse the mapping
1107 ($_ =~ m/^([^:]+):([^:]+)(:([^:]+))?$/) or die "Invalid syntax in --ramdisk\n";
1108 $entry{'name'} = $1; $entry{'file'} = $2; my $size = $4;
1109
1110 # If the mapping is not for the ramdisk, then undefine its attributes
1111 if ($entry{'name'} ne 'Ramdisk') {
1112 $entry{'offset'} = undef;
1113 $entry{'size'} = undef;
1114 $entry{'variable'} = 1;
1115 $entry{'header'} = 0;
1116 $entry{'pseudo'} = 0;
1117 $entry{'data'} = undef;
1118 $entry{'byteswap'} = 0;
1119 }
1120
1121 # Support specification of the number of blocks for empty jffs2
1122 if ($entry{'file'} =~ m/^[0-9]+$/) {
1123 $size = $entry{'file'};
1124 $entry{'file'} = undef;
1125 }
1126
1127 # If the user has specified a size, then respect their wishes
1128 if (defined $size) {
1129 $entry{'size'} = $size * $block_size;
1130 # Create an empty partition of the requested size.
1131 $entry{'data'} = padBytes("", $entry{'size'} - $entry{'header'});
1132 }
1133
1134 \%entry;
1135
1136 } @mappings);
1137 }
1138 }
1139
1140 # Read in the firmware image
1141 if ($input) {
1142 if ($debug) {
1143 print "Initial partition map:\n";
1144 printPartitions(@partitions);
1145 }
1146
1147 my $result = readInFirmware($input, \@partitions);
1148
1149 if ($debug) {
1150 print "After reading firmware:\n";
1151 printPartitions(@partitions);
1152 }
1153 }
1154
1155 # Unpack the firmware if requested
1156 if ($unpack) {
1157 die "Input filename must be specified\n" unless defined $input;
1158
1159 # map {
1160 # ($_->{'name'} eq 'FIS directory') and @partitions = checkPartitionTable($_->{'data'});
1161 # } @partitions;
1162
1163 writeOutFirmwareParts(@partitions);
1164
1165 }
1166
1167 # Pack the firmware if requested
1168 if ($pack) {
1169
1170 if (!defined $loader) {
1171 removeOptionalLoader(\@partitions);
1172 }
1173
1174 if ($debug) {
1175 print "Initial partition map:\n";
1176 printPartitions(@partitions);
1177 }
1178
1179 my $result = readInFirmwareParts(@partitions);
1180
1181 if ($debug) {
1182 print "after readInFirmwareParts():\n";
1183 printPartitions(@partitions);
1184 # map {
1185 # ($_->{'name'} eq 'RedBoot') && (printRedbootTrailer($_->{'data'}));
1186 # } @partitions;
1187 }
1188
1189 layoutPartitions(@partitions);
1190
1191 if ($debug) {
1192 print "after layoutPartitions():\n";
1193 printPartitions(@partitions);
1194 }
1195
1196 buildPartitionTable(@partitions);
1197
1198 if ($debug) {
1199 print "after buildPartitionTable():\n";
1200 printPartitions(@partitions);
1201
1202 # my($lastblock);
1203 # map {
1204 # if ($_->{'name'} eq 'FIS directory') {
1205 # $lastblock = $_->{'data'};
1206 # }
1207 # } @partitions;
1208
1209 # print "checkPartitionTable():\n";
1210 # checkPartitionTable($lastblock);
1211 }
1212
1213 writeOutFirmware($output, @partitions);
1214
1215 }
1216
1217 exit 0;