diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/.gitignore | 1 | ||||
-rw-r--r-- | scripts/Makefile | 3 | ||||
-rwxr-xr-x | scripts/get_maintainer.pl | 515 | ||||
-rw-r--r-- | scripts/ihex2fw.c | 268 |
4 files changed, 516 insertions, 271 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore index 09e2406f3b78..b939fbd01195 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore | |||
@@ -1,7 +1,6 @@ | |||
1 | # | 1 | # |
2 | # Generated files | 2 | # Generated files |
3 | # | 3 | # |
4 | ihex2fw | ||
5 | conmakehash | 4 | conmakehash |
6 | kallsyms | 5 | kallsyms |
7 | pnmtologo | 6 | pnmtologo |
diff --git a/scripts/Makefile b/scripts/Makefile index 035182e16afb..aafdf064feef 100644 --- a/scripts/Makefile +++ b/scripts/Makefile | |||
@@ -2,12 +2,11 @@ | |||
2 | # scripts contains sources for various helper programs used throughout | 2 | # scripts contains sources for various helper programs used throughout |
3 | # the kernel for the build process. | 3 | # the kernel for the build process. |
4 | # --------------------------------------------------------------------------- | 4 | # --------------------------------------------------------------------------- |
5 | # ihex2fw: Parser/loader for IHEX formatted data | ||
6 | # kallsyms: Find all symbols in vmlinux | 5 | # kallsyms: Find all symbols in vmlinux |
7 | # pnmttologo: Convert pnm files to logo files | 6 | # pnmttologo: Convert pnm files to logo files |
7 | # conmakehash: Create chartable | ||
8 | # conmakehash: Create arrays for initializing the kernel console tables | 8 | # conmakehash: Create arrays for initializing the kernel console tables |
9 | 9 | ||
10 | hostprogs-y := ihex2fw | ||
11 | hostprogs-$(CONFIG_KALLSYMS) += kallsyms | 10 | hostprogs-$(CONFIG_KALLSYMS) += kallsyms |
12 | hostprogs-$(CONFIG_LOGO) += pnmtologo | 11 | hostprogs-$(CONFIG_LOGO) += pnmtologo |
13 | hostprogs-$(CONFIG_VT) += conmakehash | 12 | hostprogs-$(CONFIG_VT) += conmakehash |
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl new file mode 100755 index 000000000000..60dc0c48c929 --- /dev/null +++ b/scripts/get_maintainer.pl | |||
@@ -0,0 +1,515 @@ | |||
1 | #!/usr/bin/perl -w | ||
2 | # (c) 2007, Joe Perches <joe@perches.com> | ||
3 | # created from checkpatch.pl | ||
4 | # | ||
5 | # Print selected MAINTAINERS information for | ||
6 | # the files modified in a patch or for a file | ||
7 | # | ||
8 | # usage: perl scripts/get_maintainers.pl [OPTIONS] <patch> | ||
9 | # perl scripts/get_maintainers.pl [OPTIONS] -f <file> | ||
10 | # | ||
11 | # Licensed under the terms of the GNU GPL License version 2 | ||
12 | |||
13 | use strict; | ||
14 | |||
15 | my $P = $0; | ||
16 | my $V = '0.15'; | ||
17 | |||
18 | use Getopt::Long qw(:config no_auto_abbrev); | ||
19 | |||
20 | my $lk_path = "./"; | ||
21 | my $email = 1; | ||
22 | my $email_usename = 1; | ||
23 | my $email_maintainer = 1; | ||
24 | my $email_list = 1; | ||
25 | my $email_subscriber_list = 0; | ||
26 | my $email_git = 1; | ||
27 | my $email_git_penguin_chiefs = 0; | ||
28 | my $email_git_min_signatures = 1; | ||
29 | my $email_git_max_maintainers = 5; | ||
30 | my $email_git_since = "1-year-ago"; | ||
31 | my $output_multiline = 1; | ||
32 | my $output_separator = ", "; | ||
33 | my $scm = 0; | ||
34 | my $web = 0; | ||
35 | my $subsystem = 0; | ||
36 | my $status = 0; | ||
37 | my $from_filename = 0; | ||
38 | my $version = 0; | ||
39 | my $help = 0; | ||
40 | |||
41 | my $exit = 0; | ||
42 | |||
43 | my @penguin_chief = (); | ||
44 | push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org"); | ||
45 | #Andrew wants in on most everything - 2009/01/14 | ||
46 | #push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org"); | ||
47 | |||
48 | my @penguin_chief_names = (); | ||
49 | foreach my $chief (@penguin_chief) { | ||
50 | if ($chief =~ m/^(.*):(.*)/) { | ||
51 | my $chief_name = $1; | ||
52 | my $chief_addr = $2; | ||
53 | push(@penguin_chief_names, $chief_name); | ||
54 | } | ||
55 | } | ||
56 | my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)"; | ||
57 | |||
58 | if (!GetOptions( | ||
59 | 'email!' => \$email, | ||
60 | 'git!' => \$email_git, | ||
61 | 'git-chief-penguins!' => \$email_git_penguin_chiefs, | ||
62 | 'git-min-signatures=i' => \$email_git_min_signatures, | ||
63 | 'git-max-maintainers=i' => \$email_git_max_maintainers, | ||
64 | 'git-since=s' => \$email_git_since, | ||
65 | 'm!' => \$email_maintainer, | ||
66 | 'n!' => \$email_usename, | ||
67 | 'l!' => \$email_list, | ||
68 | 's!' => \$email_subscriber_list, | ||
69 | 'multiline!' => \$output_multiline, | ||
70 | 'separator=s' => \$output_separator, | ||
71 | 'subsystem!' => \$subsystem, | ||
72 | 'status!' => \$status, | ||
73 | 'scm!' => \$scm, | ||
74 | 'web!' => \$web, | ||
75 | 'f|file' => \$from_filename, | ||
76 | 'v|version' => \$version, | ||
77 | 'h|help' => \$help, | ||
78 | )) { | ||
79 | usage(); | ||
80 | die "$P: invalid argument\n"; | ||
81 | } | ||
82 | |||
83 | if ($help != 0) { | ||
84 | usage(); | ||
85 | exit 0; | ||
86 | } | ||
87 | |||
88 | if ($version != 0) { | ||
89 | print("${P} ${V}\n"); | ||
90 | exit 0; | ||
91 | } | ||
92 | |||
93 | if ($#ARGV < 0) { | ||
94 | usage(); | ||
95 | die "$P: argument missing: patchfile or -f file please\n"; | ||
96 | } | ||
97 | |||
98 | my $selections = $email + $scm + $status + $subsystem + $web; | ||
99 | if ($selections == 0) { | ||
100 | usage(); | ||
101 | die "$P: Missing required option: email, scm, status, subsystem or web\n"; | ||
102 | } | ||
103 | |||
104 | if ($email && ($email_maintainer + $email_list + $email_subscriber_list | ||
105 | + $email_git + $email_git_penguin_chiefs) == 0) { | ||
106 | usage(); | ||
107 | die "$P: Please select at least 1 email option\n"; | ||
108 | } | ||
109 | |||
110 | if (!top_of_kernel_tree($lk_path)) { | ||
111 | die "$P: The current directory does not appear to be " | ||
112 | . "a linux kernel source tree.\n"; | ||
113 | } | ||
114 | |||
115 | ## Read MAINTAINERS for type/value pairs | ||
116 | |||
117 | my @typevalue = (); | ||
118 | open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n"; | ||
119 | while (<MAINT>) { | ||
120 | my $line = $_; | ||
121 | |||
122 | if ($line =~ m/^(\C):\s*(.*)/) { | ||
123 | my $type = $1; | ||
124 | my $value = $2; | ||
125 | |||
126 | ##Filename pattern matching | ||
127 | if ($type eq "F" || $type eq "X") { | ||
128 | $value =~ s@\.@\\\.@g; ##Convert . to \. | ||
129 | $value =~ s/\*/\.\*/g; ##Convert * to .* | ||
130 | $value =~ s/\?/\./g; ##Convert ? to . | ||
131 | } | ||
132 | push(@typevalue, "$type:$value"); | ||
133 | } elsif (!/^(\s)*$/) { | ||
134 | $line =~ s/\n$//g; | ||
135 | push(@typevalue, $line); | ||
136 | } | ||
137 | } | ||
138 | close(MAINT); | ||
139 | |||
140 | ## use the filenames on the command line or find the filenames in the patchfiles | ||
141 | |||
142 | my @files = (); | ||
143 | |||
144 | foreach my $file (@ARGV) { | ||
145 | next if ((-d $file)); | ||
146 | if (!(-f $file)) { | ||
147 | die "$P: file '${file}' not found\n"; | ||
148 | } | ||
149 | if ($from_filename) { | ||
150 | push(@files, $file); | ||
151 | } else { | ||
152 | my $file_cnt = @files; | ||
153 | open(PATCH, "<$file") or die "$P: Can't open ${file}\n"; | ||
154 | while (<PATCH>) { | ||
155 | if (m/^\+\+\+\s+(\S+)/) { | ||
156 | my $filename = $1; | ||
157 | $filename =~ s@^[^/]*/@@; | ||
158 | $filename =~ s@\n@@; | ||
159 | push(@files, $filename); | ||
160 | } | ||
161 | } | ||
162 | close(PATCH); | ||
163 | if ($file_cnt == @files) { | ||
164 | die "$P: file '${file}' doesn't appear to be a patch. " | ||
165 | . "Add -f to options?\n"; | ||
166 | } | ||
167 | @files = sort_and_uniq(@files); | ||
168 | } | ||
169 | } | ||
170 | |||
171 | my @email_to = (); | ||
172 | my @scm = (); | ||
173 | my @web = (); | ||
174 | my @subsystem = (); | ||
175 | my @status = (); | ||
176 | |||
177 | # Find responsible parties | ||
178 | |||
179 | foreach my $file (@files) { | ||
180 | |||
181 | #Do not match excluded file patterns | ||
182 | |||
183 | my $exclude = 0; | ||
184 | foreach my $line (@typevalue) { | ||
185 | if ($line =~ m/^(\C):(.*)/) { | ||
186 | my $type = $1; | ||
187 | my $value = $2; | ||
188 | if ($type eq 'X') { | ||
189 | if (file_match_pattern($file, $value)) { | ||
190 | $exclude = 1; | ||
191 | } | ||
192 | } | ||
193 | } | ||
194 | } | ||
195 | |||
196 | if (!$exclude) { | ||
197 | my $tvi = 0; | ||
198 | foreach my $line (@typevalue) { | ||
199 | if ($line =~ m/^(\C):(.*)/) { | ||
200 | my $type = $1; | ||
201 | my $value = $2; | ||
202 | if ($type eq 'F') { | ||
203 | if (file_match_pattern($file, $value)) { | ||
204 | add_categories($tvi); | ||
205 | } | ||
206 | } | ||
207 | } | ||
208 | $tvi++; | ||
209 | } | ||
210 | } | ||
211 | |||
212 | if ($email && $email_git) { | ||
213 | recent_git_signoffs($file); | ||
214 | } | ||
215 | |||
216 | } | ||
217 | |||
218 | if ($email_git_penguin_chiefs) { | ||
219 | foreach my $chief (@penguin_chief) { | ||
220 | if ($chief =~ m/^(.*):(.*)/) { | ||
221 | my $chief_name = $1; | ||
222 | my $chief_addr = $2; | ||
223 | if ($email_usename) { | ||
224 | push(@email_to, format_email($chief_name, $chief_addr)); | ||
225 | } else { | ||
226 | push(@email_to, $chief_addr); | ||
227 | } | ||
228 | } | ||
229 | } | ||
230 | } | ||
231 | |||
232 | if ($email) { | ||
233 | my $address_cnt = @email_to; | ||
234 | if ($address_cnt == 0 && $email_list) { | ||
235 | push(@email_to, "linux-kernel\@vger.kernel.org"); | ||
236 | } | ||
237 | |||
238 | #Don't sort email address list, but do remove duplicates | ||
239 | @email_to = uniq(@email_to); | ||
240 | output(@email_to); | ||
241 | } | ||
242 | |||
243 | if ($scm) { | ||
244 | @scm = sort_and_uniq(@scm); | ||
245 | output(@scm); | ||
246 | } | ||
247 | |||
248 | if ($status) { | ||
249 | @status = sort_and_uniq(@status); | ||
250 | output(@status); | ||
251 | } | ||
252 | |||
253 | if ($subsystem) { | ||
254 | @subsystem = sort_and_uniq(@subsystem); | ||
255 | output(@subsystem); | ||
256 | } | ||
257 | |||
258 | if ($web) { | ||
259 | @web = sort_and_uniq(@web); | ||
260 | output(@web); | ||
261 | } | ||
262 | |||
263 | exit($exit); | ||
264 | |||
265 | sub file_match_pattern { | ||
266 | my ($file, $pattern) = @_; | ||
267 | if (substr($pattern, -1) eq "/") { | ||
268 | if ($file =~ m@^$pattern@) { | ||
269 | return 1; | ||
270 | } | ||
271 | } else { | ||
272 | if ($file =~ m@^$pattern@) { | ||
273 | my $s1 = ($file =~ tr@/@@); | ||
274 | my $s2 = ($pattern =~ tr@/@@); | ||
275 | if ($s1 == $s2) { | ||
276 | return 1; | ||
277 | } | ||
278 | } | ||
279 | } | ||
280 | return 0; | ||
281 | } | ||
282 | |||
283 | sub usage { | ||
284 | print <<EOT; | ||
285 | usage: $P [options] patchfile | ||
286 | $P [options] -f file | ||
287 | version: $V | ||
288 | |||
289 | MAINTAINER field selection options: | ||
290 | --email => print email address(es) if any | ||
291 | --git => include recent git \*-by: signers | ||
292 | --git-chief-penguins => include ${penguin_chiefs} | ||
293 | --git-min-signatures => number of signatures required (default: 1) | ||
294 | --git-max-maintainers => maximum maintainers to add (default: 5) | ||
295 | --git-since => git history to use (default: 1-year-ago) | ||
296 | --m => include maintainer(s) if any | ||
297 | --n => include name 'Full Name <addr\@domain.tld>' | ||
298 | --l => include list(s) if any | ||
299 | --s => include subscriber only list(s) if any | ||
300 | --scm => print SCM tree(s) if any | ||
301 | --status => print status if any | ||
302 | --subsystem => print subsystem name if any | ||
303 | --web => print website(s) if any | ||
304 | |||
305 | Output type options: | ||
306 | --separator [, ] => separator for multiple entries on 1 line | ||
307 | --multiline => print 1 entry per line | ||
308 | |||
309 | Default options: | ||
310 | [--email --git --m --l --multiline] | ||
311 | |||
312 | Other options: | ||
313 | --version -> show version | ||
314 | --help => show this help information | ||
315 | |||
316 | EOT | ||
317 | } | ||
318 | |||
319 | sub top_of_kernel_tree { | ||
320 | my ($lk_path) = @_; | ||
321 | |||
322 | if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") { | ||
323 | $lk_path .= "/"; | ||
324 | } | ||
325 | if ( (-f "${lk_path}COPYING") | ||
326 | && (-f "${lk_path}CREDITS") | ||
327 | && (-f "${lk_path}Kbuild") | ||
328 | && (-f "${lk_path}MAINTAINERS") | ||
329 | && (-f "${lk_path}Makefile") | ||
330 | && (-f "${lk_path}README") | ||
331 | && (-d "${lk_path}Documentation") | ||
332 | && (-d "${lk_path}arch") | ||
333 | && (-d "${lk_path}include") | ||
334 | && (-d "${lk_path}drivers") | ||
335 | && (-d "${lk_path}fs") | ||
336 | && (-d "${lk_path}init") | ||
337 | && (-d "${lk_path}ipc") | ||
338 | && (-d "${lk_path}kernel") | ||
339 | && (-d "${lk_path}lib") | ||
340 | && (-d "${lk_path}scripts")) { | ||
341 | return 1; | ||
342 | } | ||
343 | return 0; | ||
344 | } | ||
345 | |||
346 | sub format_email { | ||
347 | my ($name, $email) = @_; | ||
348 | |||
349 | $name =~ s/^\s+|\s+$//g; | ||
350 | $email =~ s/^\s+|\s+$//g; | ||
351 | |||
352 | my $formatted_email = ""; | ||
353 | |||
354 | if ($name =~ /[^a-z0-9 \.\-]/i) { ##has "must quote" chars | ||
355 | $name =~ s/(?<!\\)"/\\"/g; ##escape quotes | ||
356 | $formatted_email = "\"${name}\"\ \<${email}\>"; | ||
357 | } else { | ||
358 | $formatted_email = "${name} \<${email}\>"; | ||
359 | } | ||
360 | return $formatted_email; | ||
361 | } | ||
362 | |||
363 | sub add_categories { | ||
364 | my ($index) = @_; | ||
365 | |||
366 | $index = $index - 1; | ||
367 | while ($index >= 0) { | ||
368 | my $tv = $typevalue[$index]; | ||
369 | if ($tv =~ m/^(\C):(.*)/) { | ||
370 | my $ptype = $1; | ||
371 | my $pvalue = $2; | ||
372 | if ($ptype eq "L") { | ||
373 | my $subscr = $pvalue; | ||
374 | if ($subscr =~ m/\s*\(subscribers-only\)/) { | ||
375 | if ($email_subscriber_list) { | ||
376 | $subscr =~ s/\s*\(subscribers-only\)//g; | ||
377 | push(@email_to, $subscr); | ||
378 | } | ||
379 | } else { | ||
380 | if ($email_list) { | ||
381 | push(@email_to, $pvalue); | ||
382 | } | ||
383 | } | ||
384 | } elsif ($ptype eq "M") { | ||
385 | if ($email_maintainer) { | ||
386 | if ($index >= 0) { | ||
387 | my $tv = $typevalue[$index - 1]; | ||
388 | if ($tv =~ m/^(\C):(.*)/) { | ||
389 | if ($1 eq "P" && $email_usename) { | ||
390 | push(@email_to, format_email($2, $pvalue)); | ||
391 | } else { | ||
392 | push(@email_to, $pvalue); | ||
393 | } | ||
394 | } | ||
395 | } else { | ||
396 | push(@email_to, $pvalue); | ||
397 | } | ||
398 | } | ||
399 | } elsif ($ptype eq "T") { | ||
400 | push(@scm, $pvalue); | ||
401 | } elsif ($ptype eq "W") { | ||
402 | push(@web, $pvalue); | ||
403 | } elsif ($ptype eq "S") { | ||
404 | push(@status, $pvalue); | ||
405 | } | ||
406 | |||
407 | $index--; | ||
408 | } else { | ||
409 | push(@subsystem,$tv); | ||
410 | $index = -1; | ||
411 | } | ||
412 | } | ||
413 | } | ||
414 | |||
415 | sub which { | ||
416 | my ($bin) = @_; | ||
417 | |||
418 | foreach my $path (split /:/, $ENV{PATH}) { | ||
419 | if (-e "$path/$bin") { | ||
420 | return "$path/$bin"; | ||
421 | } | ||
422 | } | ||
423 | |||
424 | return ""; | ||
425 | } | ||
426 | |||
427 | sub recent_git_signoffs { | ||
428 | my ($file) = @_; | ||
429 | |||
430 | my $sign_offs = ""; | ||
431 | my $cmd = ""; | ||
432 | my $output = ""; | ||
433 | my $count = 0; | ||
434 | my @lines = (); | ||
435 | |||
436 | if (which("git") eq "") { | ||
437 | die("$P: git not found. Add --nogit to options?\n"); | ||
438 | } | ||
439 | |||
440 | $cmd = "git log --since=${email_git_since} -- ${file}"; | ||
441 | $cmd .= " | grep -Pi \"^[-_ a-z]+by:.*\\\@\""; | ||
442 | if (!$email_git_penguin_chiefs) { | ||
443 | $cmd .= " | grep -Pv \"${penguin_chiefs}\""; | ||
444 | } | ||
445 | $cmd .= " | cut -f2- -d\":\""; | ||
446 | $cmd .= " | sed -e \"s/^\\s+//g\""; | ||
447 | $cmd .= " | sort | uniq -c | sort -rn"; | ||
448 | |||
449 | $output = `${cmd}`; | ||
450 | $output =~ s/^\s*//gm; | ||
451 | |||
452 | @lines = split("\n", $output); | ||
453 | foreach my $line (@lines) { | ||
454 | if ($line =~ m/([0-9]+)\s+(.*)/) { | ||
455 | my $sign_offs = $1; | ||
456 | $line = $2; | ||
457 | $count++; | ||
458 | if ($sign_offs < $email_git_min_signatures || | ||
459 | $count > $email_git_max_maintainers) { | ||
460 | last; | ||
461 | } | ||
462 | } else { | ||
463 | die("$P: Unexpected git output: ${line}\n"); | ||
464 | } | ||
465 | if ($line =~ m/(.+)<(.+)>/) { | ||
466 | my $git_name = $1; | ||
467 | my $git_addr = $2; | ||
468 | $git_name =~ tr/^\"//; | ||
469 | $git_name =~ tr/^\\s*//; | ||
470 | $git_name =~ tr/\"$//; | ||
471 | $git_name =~ tr/\\s*$//; | ||
472 | if ($email_usename) { | ||
473 | push(@email_to, format_email($git_name, $git_addr)); | ||
474 | } else { | ||
475 | push(@email_to, $git_addr); | ||
476 | } | ||
477 | } elsif ($line =~ m/<(.+)>/) { | ||
478 | my $git_addr = $1; | ||
479 | push(@email_to, $git_addr); | ||
480 | } else { | ||
481 | push(@email_to, $line); | ||
482 | } | ||
483 | } | ||
484 | return $output; | ||
485 | } | ||
486 | |||
487 | sub uniq { | ||
488 | my @parms = @_; | ||
489 | |||
490 | my %saw; | ||
491 | @parms = grep(!$saw{$_}++, @parms); | ||
492 | return @parms; | ||
493 | } | ||
494 | |||
495 | sub sort_and_uniq { | ||
496 | my @parms = @_; | ||
497 | |||
498 | my %saw; | ||
499 | @parms = sort @parms; | ||
500 | @parms = grep(!$saw{$_}++, @parms); | ||
501 | return @parms; | ||
502 | } | ||
503 | |||
504 | sub output { | ||
505 | my @parms = @_; | ||
506 | |||
507 | if ($output_multiline) { | ||
508 | foreach my $line (@parms) { | ||
509 | print("${line}\n"); | ||
510 | } | ||
511 | } else { | ||
512 | print(join($output_separator, @parms)); | ||
513 | print("\n"); | ||
514 | } | ||
515 | } | ||
diff --git a/scripts/ihex2fw.c b/scripts/ihex2fw.c deleted file mode 100644 index 8f7fdaa9e010..000000000000 --- a/scripts/ihex2fw.c +++ /dev/null | |||
@@ -1,268 +0,0 @@ | |||
1 | /* | ||
2 | * Parser/loader for IHEX formatted data. | ||
3 | * | ||
4 | * Copyright © 2008 David Woodhouse <dwmw2@infradead.org> | ||
5 | * Copyright © 2005 Jan Harkes <jaharkes@cs.cmu.edu> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #include <stdint.h> | ||
13 | #include <arpa/inet.h> | ||
14 | #include <stdio.h> | ||
15 | #include <errno.h> | ||
16 | #include <sys/types.h> | ||
17 | #include <sys/stat.h> | ||
18 | #include <sys/mman.h> | ||
19 | #include <fcntl.h> | ||
20 | #include <string.h> | ||
21 | #include <unistd.h> | ||
22 | #include <stdlib.h> | ||
23 | #define _GNU_SOURCE | ||
24 | #include <getopt.h> | ||
25 | |||
26 | |||
27 | struct ihex_binrec { | ||
28 | struct ihex_binrec *next; /* not part of the real data structure */ | ||
29 | uint32_t addr; | ||
30 | uint16_t len; | ||
31 | uint8_t data[]; | ||
32 | }; | ||
33 | |||
34 | /** | ||
35 | * nybble/hex are little helpers to parse hexadecimal numbers to a byte value | ||
36 | **/ | ||
37 | static uint8_t nybble(const uint8_t n) | ||
38 | { | ||
39 | if (n >= '0' && n <= '9') return n - '0'; | ||
40 | else if (n >= 'A' && n <= 'F') return n - ('A' - 10); | ||
41 | else if (n >= 'a' && n <= 'f') return n - ('a' - 10); | ||
42 | return 0; | ||
43 | } | ||
44 | |||
45 | static uint8_t hex(const uint8_t *data, uint8_t *crc) | ||
46 | { | ||
47 | uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]); | ||
48 | *crc += val; | ||
49 | return val; | ||
50 | } | ||
51 | |||
52 | static int process_ihex(uint8_t *data, ssize_t size); | ||
53 | static void file_record(struct ihex_binrec *record); | ||
54 | static int output_records(int outfd); | ||
55 | |||
56 | static int sort_records = 0; | ||
57 | static int wide_records = 0; | ||
58 | |||
59 | int usage(void) | ||
60 | { | ||
61 | fprintf(stderr, "ihex2fw: Convert ihex files into binary " | ||
62 | "representation for use by Linux kernel\n"); | ||
63 | fprintf(stderr, "usage: ihex2fw [<options>] <src.HEX> <dst.fw>\n"); | ||
64 | fprintf(stderr, " -w: wide records (16-bit length)\n"); | ||
65 | fprintf(stderr, " -s: sort records by address\n"); | ||
66 | return 1; | ||
67 | } | ||
68 | |||
69 | int main(int argc, char **argv) | ||
70 | { | ||
71 | int infd, outfd; | ||
72 | struct stat st; | ||
73 | uint8_t *data; | ||
74 | int opt; | ||
75 | |||
76 | while ((opt = getopt(argc, argv, "ws")) != -1) { | ||
77 | switch (opt) { | ||
78 | case 'w': | ||
79 | wide_records = 1; | ||
80 | break; | ||
81 | case 's': | ||
82 | sort_records = 1; | ||
83 | break; | ||
84 | default: | ||
85 | return usage(); | ||
86 | } | ||
87 | } | ||
88 | |||
89 | if (optind + 2 != argc) | ||
90 | return usage(); | ||
91 | |||
92 | if (!strcmp(argv[optind], "-")) | ||
93 | infd = 0; | ||
94 | else | ||
95 | infd = open(argv[optind], O_RDONLY); | ||
96 | if (infd == -1) { | ||
97 | fprintf(stderr, "Failed to open source file: %s", | ||
98 | strerror(errno)); | ||
99 | return usage(); | ||
100 | } | ||
101 | if (fstat(infd, &st)) { | ||
102 | perror("stat"); | ||
103 | return 1; | ||
104 | } | ||
105 | data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0); | ||
106 | if (data == MAP_FAILED) { | ||
107 | perror("mmap"); | ||
108 | return 1; | ||
109 | } | ||
110 | |||
111 | if (!strcmp(argv[optind+1], "-")) | ||
112 | outfd = 1; | ||
113 | else | ||
114 | outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644); | ||
115 | if (outfd == -1) { | ||
116 | fprintf(stderr, "Failed to open destination file: %s", | ||
117 | strerror(errno)); | ||
118 | return usage(); | ||
119 | } | ||
120 | if (process_ihex(data, st.st_size)) | ||
121 | return 1; | ||
122 | |||
123 | output_records(outfd); | ||
124 | return 0; | ||
125 | } | ||
126 | |||
127 | static int process_ihex(uint8_t *data, ssize_t size) | ||
128 | { | ||
129 | struct ihex_binrec *record; | ||
130 | uint32_t offset = 0; | ||
131 | uint8_t type, crc = 0, crcbyte = 0; | ||
132 | int i, j; | ||
133 | int line = 1; | ||
134 | int len; | ||
135 | |||
136 | i = 0; | ||
137 | next_record: | ||
138 | /* search for the start of record character */ | ||
139 | while (i < size) { | ||
140 | if (data[i] == '\n') line++; | ||
141 | if (data[i++] == ':') break; | ||
142 | } | ||
143 | |||
144 | /* Minimum record length would be about 10 characters */ | ||
145 | if (i + 10 > size) { | ||
146 | fprintf(stderr, "Can't find valid record at line %d\n", line); | ||
147 | return -EINVAL; | ||
148 | } | ||
149 | |||
150 | len = hex(data + i, &crc); i += 2; | ||
151 | if (wide_records) { | ||
152 | len <<= 8; | ||
153 | len += hex(data + i, &crc); i += 2; | ||
154 | } | ||
155 | record = malloc((sizeof (*record) + len + 3) & ~3); | ||
156 | if (!record) { | ||
157 | fprintf(stderr, "out of memory for records\n"); | ||
158 | return -ENOMEM; | ||
159 | } | ||
160 | memset(record, 0, (sizeof(*record) + len + 3) & ~3); | ||
161 | record->len = len; | ||
162 | |||
163 | /* now check if we have enough data to read everything */ | ||
164 | if (i + 8 + (record->len * 2) > size) { | ||
165 | fprintf(stderr, "Not enough data to read complete record at line %d\n", | ||
166 | line); | ||
167 | return -EINVAL; | ||
168 | } | ||
169 | |||
170 | record->addr = hex(data + i, &crc) << 8; i += 2; | ||
171 | record->addr |= hex(data + i, &crc); i += 2; | ||
172 | type = hex(data + i, &crc); i += 2; | ||
173 | |||
174 | for (j = 0; j < record->len; j++, i += 2) | ||
175 | record->data[j] = hex(data + i, &crc); | ||
176 | |||
177 | /* check CRC */ | ||
178 | crcbyte = hex(data + i, &crc); i += 2; | ||
179 | if (crc != 0) { | ||
180 | fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n", | ||
181 | line, crcbyte, (unsigned char)(crcbyte-crc)); | ||
182 | return -EINVAL; | ||
183 | } | ||
184 | |||
185 | /* Done reading the record */ | ||
186 | switch (type) { | ||
187 | case 0: | ||
188 | /* old style EOF record? */ | ||
189 | if (!record->len) | ||
190 | break; | ||
191 | |||
192 | record->addr += offset; | ||
193 | file_record(record); | ||
194 | goto next_record; | ||
195 | |||
196 | case 1: /* End-Of-File Record */ | ||
197 | if (record->addr || record->len) { | ||
198 | fprintf(stderr, "Bad EOF record (type 01) format at line %d", | ||
199 | line); | ||
200 | return -EINVAL; | ||
201 | } | ||
202 | break; | ||
203 | |||
204 | case 2: /* Extended Segment Address Record (HEX86) */ | ||
205 | case 4: /* Extended Linear Address Record (HEX386) */ | ||
206 | if (record->addr || record->len != 2) { | ||
207 | fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n", | ||
208 | type, line); | ||
209 | return -EINVAL; | ||
210 | } | ||
211 | |||
212 | /* We shouldn't really be using the offset for HEX86 because | ||
213 | * the wraparound case is specified quite differently. */ | ||
214 | offset = record->data[0] << 8 | record->data[1]; | ||
215 | offset <<= (type == 2 ? 4 : 16); | ||
216 | goto next_record; | ||
217 | |||
218 | case 3: /* Start Segment Address Record */ | ||
219 | case 5: /* Start Linear Address Record */ | ||
220 | if (record->addr || record->len != 4) { | ||
221 | fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n", | ||
222 | type, line); | ||
223 | return -EINVAL; | ||
224 | } | ||
225 | |||
226 | /* These records contain the CS/IP or EIP where execution | ||
227 | * starts. Don't really know what to do with them. */ | ||
228 | goto next_record; | ||
229 | |||
230 | default: | ||
231 | fprintf(stderr, "Unknown record (type %02X)\n", type); | ||
232 | return -EINVAL; | ||
233 | } | ||
234 | |||
235 | return 0; | ||
236 | } | ||
237 | |||
238 | static struct ihex_binrec *records; | ||
239 | |||
240 | static void file_record(struct ihex_binrec *record) | ||
241 | { | ||
242 | struct ihex_binrec **p = &records; | ||
243 | |||
244 | while ((*p) && (!sort_records || (*p)->addr < record->addr)) | ||
245 | p = &((*p)->next); | ||
246 | |||
247 | record->next = *p; | ||
248 | *p = record; | ||
249 | } | ||
250 | |||
251 | static int output_records(int outfd) | ||
252 | { | ||
253 | unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0}; | ||
254 | struct ihex_binrec *p = records; | ||
255 | |||
256 | while (p) { | ||
257 | uint16_t writelen = (p->len + 9) & ~3; | ||
258 | |||
259 | p->addr = htonl(p->addr); | ||
260 | p->len = htons(p->len); | ||
261 | write(outfd, &p->addr, writelen); | ||
262 | p = p->next; | ||
263 | } | ||
264 | /* EOF record is zero length, since we don't bother to represent | ||
265 | the type field in the binary version */ | ||
266 | write(outfd, zeroes, 6); | ||
267 | return 0; | ||
268 | } | ||