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source: vbox/trunk/src/VBox/Devices/PC/Etherboot-src/genrules.pl@ 21496

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1#!/usr/bin/perl -w
2#
3# Helper program to generate Makefile rules into file Rom from table in
4# file NIC
5#
6# GPL, Ken Yap 2001, with major contributions by Klaus Espenlaub
7# Revised 2002
8#
9
10use strict;
11
12use bytes;
13
14use File::Basename;
15
16use vars qw($familyfile $nic @families $curfam %drivers %pcient %isaent %isalist %buildent $arch @srcs);
17
18sub __gendep ($$$)
19{
20 my ($file, $deps, $driver_dep) = @_;
21 foreach my $source (@$deps) {
22 my $inc;
23 my @collect_dep = ();
24 $inc = "arch/$arch/include/$source" unless ! -e "arch/$arch/include/$source";
25 $inc = "include/$source" unless ! -e "include/$source";
26 $inc = dirname($file) . "/$source" unless ! -e dirname($file) . "/$source";
27 unless (defined($inc)) {
28 print STDERR "$source from $file not found (shouldn't happen)\n";
29 next;
30 };
31 next if (exists ${$driver_dep}{$inc});
32 ${$driver_dep}{$inc} = $inc;
33# Warn about failure to open, then skip, rather than soldiering on with the read
34 unless (open(INFILE, "$inc")) {
35 print STDERR "$inc: $! (shouldn't happen)\n";
36 next;
37 };
38 while (<INFILE>) {
39 chomp($_);
40# This code is not very smart: no C comments or CPP conditionals processing is
41# done. This may cause unexpected (or incorrect) additional dependencies.
42# However, ignoring the CPP conditionals is in some sense correct: we need to
43# figure out a superset of all the headers for the driver source.
44 next unless (s/^\s*#include\s*"([^"]*)".*$/$1/);
45# Ignore system includes, like the ones in osdep.h
46 next if ($_ =~ m:^/:);
47# Ignore "special" includes, like .buildserial.h
48 next if /^\./;
49 push(@collect_dep, $_);
50 }
51 close(INFILE);
52 if (@collect_dep) {
53 &__gendep($inc, \@collect_dep, $driver_dep);
54 }
55 }
56}
57
58sub gendep ($) {
59 my ($driver) = @_;
60
61 # Automatically generate the dependencies for the driver sources.
62 my %driver_dep = ();
63 __gendep( "", [ $driver ], \%driver_dep);
64 return sort values %driver_dep
65}
66
67# Make sure that every rom name exists only once.
68# make will warn if it finds duplicate rules, but it is better to stop
69sub checkduplicate (\%$$) {
70 my ($anyent, $curfam, $romname) = @_;
71 foreach my $family (@families) {
72 if (exists($$anyent{$family})) {
73 my $aref = $$anyent{$family};
74 foreach my $entry (@$aref) {
75 if ($entry->[0] eq $romname) {
76 print STDERR "\nROM name $romname defined twice. Please correct.\n";
77 exit 1;
78 }
79 }
80 }
81 }
82}
83
84sub genroms($) {
85 my ($driver) = @_;
86
87 # Automatically discover the ROMS this driver can produce.
88 unless (open(INFILE, "$driver")) {
89 print STDERR "$driver: %! (shouldn't happen)\n";
90 next;
91 };
92 while (<INFILE>) {
93 chomp($_);
94 if ($_ =~ m/^\s*PCI_ROM\(\s*0x([0-9A-Fa-f]*)\s*,\s*0x([0-9A-Fa-f]*)\s*,\s*"([^"]*)"\s*,\s*"([^"]*)"\)/) {
95
96 # We store a list of PCI IDs and comments for each PC target
97 my ($vendor_id, $device_id, $rom, $comment) = (hex($1), hex($2), $3, $4);
98 my $ids = sprintf("0x%04x,0x%04x", $vendor_id, $device_id);
99 checkduplicate(%pcient, $curfam, $rom);
100 push(@{$pcient{$curfam}}, [$rom, $ids, $comment]);
101 }
102 elsif($_ =~ m/^\s*ISA_ROM\(\s*"([^"]*)"\s*,\s*"([^"]*)"\)/) {
103 my ($rom, $comment) = ($1, $2);
104 # We store the base driver file for each ISA target
105 $isalist{$rom} = $curfam;
106 $buildent{$rom} = 1;
107 checkduplicate(%isaent, $curfam, $rom);
108 push(@{$isaent{$curfam}}, [$rom, $comment]);
109 }
110 elsif($_ =~ m/^\s*PCI_ROM/ or $_ =~ m/^\s*ISA_ROM/) {
111 # Complain since we cannot parse this. Of course it would be nicer if we could parse...
112 print STDERR "\nFound incomplete PCI_ROM or ISA_ROM macro in file $driver.\n";
113 print STDERR "ROM macros spanning more than one line are not supported,\n";
114 print STDERR "please adjust $driver accordingly.\n\n\n";
115 exit 1;
116 }
117 }
118}
119
120sub addfam ($) {
121 my ($family) = @_;
122
123 push(@families, $family);
124 # We store the list of dependencies in the hash for each family
125 my @deps = &gendep("$family.c");
126 $drivers{$family} = join(' ', @deps);
127 $pcient{$family} = [];
128 genroms("$family.c");
129}
130
131sub addrom ($) {
132 my ($rom, $ids, $comment) = split(' ', $_[0], 3);
133
134 # defaults if missing
135 $ids = '-' unless ($ids);
136 $comment = $rom unless ($comment);
137 if ($ids ne '-') {
138 # We store a list of PCI IDs and comments for each PCI target
139 checkduplicate(%pcient, $curfam, $rom);
140 push(@{$pcient{$curfam}}, [$rom, $ids, $comment]);
141 } else {
142 # We store the base driver file for each ISA target
143 $isalist{$rom} = $curfam;
144 $buildent{$rom} = 1;
145 checkduplicate(%isaent, $curfam, $rom);
146 push(@{$isaent{$curfam}}, [$rom, $comment]);
147 }
148}
149
150# Return true if this driver is ISA only
151sub isaonly ($) {
152 my $aref = $pcient{$_[0]};
153
154 return ($#$aref < 0);
155}
156
157$#ARGV >= 1 or die "Usage: $0 Families bin/NIC arch sources...\n";
158$familyfile = shift(@ARGV);
159$nic = shift(@ARGV);
160$arch = shift(@ARGV);
161@srcs = @ARGV;
162open FAM, "<$familyfile" or die "Could not open $familyfile: $!\n";
163
164$curfam = '';
165while ( <FAM> ) {
166 chomp($_);
167 next if (/^\s*(#.*)?$/);
168 my ($keyword) = split(' ', $_ , 2);
169 if ($keyword eq 'family') {
170 my ($keyword, $driver) = split(' ', $_, 2);
171 $curfam = '';
172 if (! -e "$driver.c") {
173 print STDERR "Driver file $driver.c not found, skipping...\n";
174 next;
175 }
176 if ($driver =~ "^arch" && $driver !~ "^arch/$arch") {
177# This warning just makes noise for most compilations.
178# print STDERR "Driver file $driver.c not for arch $arch, skipping...\n";
179 next;
180 }
181 &addfam($curfam = $driver);
182 } else {
183 # skip until we have a valid family
184 next if ($curfam eq '');
185 &addrom($_);
186 }
187}
188close FAM;
189
190open(N,">$nic") or die "$nic: $!\n";
191print N <<EOF;
192# This is an automatically generated file, do not edit
193# It does not affect anything in the build, it's only for rom-o-matic
194
195EOF
196foreach my $family (@families) {
197 print N "family\t$family\n";
198 if (exists($pcient{$family})) {
199 my $aref = $pcient{$family};
200 foreach my $entry (@$aref) {
201 my $rom = $entry->[0];
202 my $ids = $entry->[1];
203 my $comment = $entry->[2];
204 print N "$rom\t$ids\t$comment\n";
205 }
206 }
207 if (exists($isaent{$family})) {
208 my $aref = $isaent{$family};
209 foreach my $entry (@$aref) {
210 my $rom = $entry->[0];
211 my $comment = $entry->[1];
212 print N "$rom\t-\t$comment\n";
213 }
214 }
215 print N "\n";
216}
217close(N);
218
219# Generate the normal source dependencies
220print "# Core object file dependencies\n";
221foreach my $source (@srcs) {
222 next if ($source !~ '[.][cS]$');
223 my @deps = &gendep($source);
224 my $obj = $source;
225 $obj =~ s/^.*?([^\/]+)\.[cS]/bin\/$1.o/;
226 foreach my $dep (@deps) {
227 print "$obj: $dep\n";
228 }
229 print("\n");
230}
231
232# Generate the assignments to DOBJS and BINS
233print "# Driver object files and ROM image files\n";
234print "DOBJS\t:=\n";
235print "PCIOBJS\t:=\n";
236
237print "# Target formats\n";
238print "EB_ISOS\t:=\n";
239print "EB_LISOS\t:=\n";
240print "EB_COMS\t:=\n";
241print "EB_EXES\t:=\n";
242print "EB_LILOS\t:=\n";
243print "EB_ZLILOS\t:=\n";
244print "EB_PXES\t:=\n";
245print "EB_ZPXES\t:=\n";
246print "EB_DSKS\t:=\n";
247print "EB_ZDSKS\t:=\n";
248print "EB_HDS\t:=\n";
249print "EB_ZHDS\t:=\n";
250print "EB_ELFS\t:=\n";
251print "EB_ZELFS\t:=\n";
252print "EB_LMELFS\t:=\n";
253print "EB_ZLMELFS\t:=\n";
254print "EB_ELFDS\t:=\n";
255print "EB_ZELFDS\t:=\n";
256print "EB_LMELFDS\t:=\n";
257print "EB_ZLMELFDS\t:=\n";
258
259foreach my $pci (sort keys %pcient) {
260 my $img = basename($pci);
261
262 print "DOBJS\t+= \$(BIN)/$img.o\n";
263 print "PCIOBJS\t+= \$(BIN)/$img.o\n" unless isaonly($pci);
264
265# Output targets
266 print "EB_LILOS\t+= \$(BIN)/$img.lilo \nEB_ZLILOS\t+= \$(BIN)/$img.zlilo\n";
267 print "EB_PXES\t+= \$(BIN)/$img.pxe \nEB_ZPXES\t+= \$(BIN)/$img.zpxe\n";
268 print "EB_DSKS\t+= \$(BIN)/$img.dsk \nEB_ZDSKS\t+= \$(BIN)/$img.zdsk\n";
269 print "EB_HDS\t+= \$(BIN)/$img.hd \nEB_ZHDS\t+= \$(BIN)/$img.zhd\n";
270 print "EB_ELFS\t+= \$(BIN)/$img.elf \nEB_ZELFS\t+= \$(BIN)/$img.zelf\n";
271 print "EB_LMELFS\t+= \$(BIN)/$img.lmelf \nEB_ZLMELFS\t+= \$(BIN)/$img.zlmelf\n";
272 print "EB_ELFDS\t+= \$(BIN)/$img.elfd \nEB_ZELFDS\t+= \$(BIN)/$img.zelfd\n";
273 print "EB_LMELFDS\t+= \$(BIN)/$img.lmelfd \nEB_ZLMELFDS\t+= \$(BIN)/$img.zlmelfd\n";
274 print "EB_BIMAGES\t+= \$(BIN)/$img.bImage \nEB_BZIMAGES\t+= \$(BIN)/$img.bzImage\n";
275 print "EB_ISOS\t+= \$(BIN)/$img.iso\n";
276 print "EB_LISOS\t+= \$(BIN)/$img.liso\n";
277 print "EB_COMS\t+= \$(BIN)/$img.com\n";
278 print "EB_EXES\t+= \$(BIN)/$img.exe\n";
279}
280
281foreach my $img (sort keys %buildent) {
282
283 print "DOBJS\t+= \$(BIN)/$img.o\n";
284
285# Output targets
286 print "EB_LILOS\t+= \$(BIN)/$img.lilo \nEB_ZLILOS\t+= \$(BIN)/$img.zlilo\n";
287 print "EB_PXES\t+= \$(BIN)/$img.pxe \nEB_ZPXES\t+= \$(BIN)/$img.zpxe\n";
288 print "EB_DSKS\t+= \$(BIN)/$img.dsk \nEB_ZDSKS\t+= \$(BIN)/$img.zdsk\n";
289 print "EB_HDS\t+= \$(BIN)/$img.hd \nEB_ZHDS\t+= \$(BIN)/$img.zhd\n";
290 print "EB_ELFS\t+= \$(BIN)/$img.elf \nEB_ZELFS\t+= \$(BIN)/$img.zelf\n";
291 print "EB_LMELFS\t+= \$(BIN)/$img.lmelf \nEB_ZLMELFS\t+= \$(BIN)/$img.zlmelf\n";
292 print "EB_ELFDS\t+= \$(BIN)/$img.elfd \nEB_ZELFDS\t+= \$(BIN)/$img.zelfd\n";
293 print "EB_LMELFDS\t+= \$(BIN)/$img.lmelfd \nEB_ZLMELFDS\t+= \$(BIN)/$img.zlmelfd\n";
294 print "EB_BIMAGES\t+= \$(BIN)/$img.bImage \nEB_BZIMAGE\t+= \$(BIN)/$img.bzImage\n";
295 print "EB_ISOS\t+= \$(BIN)/$img.iso\n";
296 print "EB_LISOS\t+= \$(BIN)/$img.liso\n";
297 print "EB_COMS\t+= \$(BIN)/$img.com\n";
298 print "EB_EXES\t+= \$(BIN)/$img.exe\n";
299}
300
301print "ROMS\t:=\n";
302foreach my $family (sort keys %pcient) {
303 my $aref = $pcient{$family};
304 foreach my $entry (@$aref) {
305 my $rom = $entry->[0];
306 print "ROMS\t+= \$(BIN)/$rom.rom \$(BIN)/$rom.zrom\n";
307 }
308}
309foreach my $isa (sort keys %isalist) {
310 print "ROMS\t+= \$(BIN)/$isa.rom \$(BIN)/$isa.zrom\n";
311}
312
313# Generate the *.o rules
314print "\n# Rules to build the driver object files\n";
315foreach my $pci (sort keys %drivers) {
316 # For ISA the rule for .o will generated later
317 next if isaonly($pci);
318 # PCI drivers are compiled only once for all ROMs
319 (my $macro = basename($pci)) =~ tr/\-/_/;
320 my $obj = basename($pci);
321 my $deps = $drivers{$pci};
322 print <<EOF;
323
324\$(BIN)/$obj.o: $pci.c \$(MAKEDEPS) $deps
325 \$(CC) \$(CFLAGS) \$(\U$macro\EFLAGS) -o \$@ -c \$<
326
327\$(BIN)/$obj--%.o: \$(BIN)/%.o \$(BIN)/$obj.o \$(MAKEDEPS)
328 \$(LD) \$(LDFLAGS) -r \$(BIN)/$obj.o \$< -o \$@
329
330EOF
331}
332
333# Do the ISA entries
334foreach my $isa (sort keys %isalist) {
335 (my $macro = $isa) =~ tr/\-/_/;
336 my $base = $isalist{$isa};
337 my $deps = $drivers{$base};
338 print <<EOF;
339\$(BIN)/$isa.o: $base.c \$(MAKEDEPS) $deps
340 \$(CC) \$(CFLAGS) \$(\U$macro\EFLAGS) -o \$@ -c \$<
341
342\$(BIN)/$isa--%.o: \$(BIN)/%.o \$(BIN)/$isa.o \$(MAKEDEPS)
343 \$(LD) \$(LDFLAGS) -r \$(BIN)/$isa.o \$< -o \$@
344EOF
345}
346
347# Generate the Rom rules
348print "# Rules to build the ROM files\n";
349foreach my $family (sort keys %pcient) {
350 next if isaonly($family);
351 my $img = basename($family);
352 print <<EOF;
353ROMTYPE_$img = PCI
354EOF
355 my $aref = $pcient{$family};
356 foreach my $entry (@$aref) {
357 my ($rom, $ids, $comment) = @$entry;
358 next if ($ids eq '-');
359 print <<EOF;
360ROMTYPE_$rom = PCI
361MAKEROM_ID_$rom = -p $ids
362
363EOF
364 next if($rom eq $img);
365 print <<EOF;
366\$(BIN)/$rom\%rom: \$(BIN)/$img\%rom
367 cat \$< > \$@
368 \$(MAKEROM) \$(MAKEROM_FLAGS) \$(MAKEROM_\$(ROMCARD)) \$(MAKEROM_ID_\$(ROMCARD)) -i\$(IDENT) \$@
369
370EOF
371 }
372}
373
374# ISA ROMs are prepared from the matching code images
375# Think this can probably be removed, but not sure
376foreach my $isa (sort keys %isalist) {
377 print <<EOF;
378EOF
379}
380
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