author | jascui |
Mon, 29 Nov 2010 15:46:44 +0800 | |
changeset 711 | 03a6f48f6e14 |
parent 0 | 044383f39525 |
permissions | -rw-r--r-- |
0
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Convert Build package from SFL to EPL
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# |
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# Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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# All rights reserved. |
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# This component and the accompanying materials are made available |
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# under the terms of the License "Eclipse Public License v1.0" |
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# which accompanies this distribution, and is available |
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# at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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# |
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# Initial Contributors: |
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# Nokia Corporation - initial contribution. |
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# |
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# Contributors: |
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# |
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# Description: |
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# Perl script to dump the ROM root directory |
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# |
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|
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my $imagefile="ba_001.engbuild.img"; |
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my $imageoffset=0; |
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my $readsortedarrays = 1; |
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my $imagetype="none"; |
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|
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sub usage_and_die |
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{ |
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die "Usage: $0 [-no-sorted-arrays] [imagefile]\n"; |
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} |
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|
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usage_and_die() if (@ARGV>2); |
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|
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foreach(@ARGV) |
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{ |
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if (uc($_) eq '-NO-SORTED-ARRAYS') |
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{ |
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$readsortedarrays = 0; |
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} |
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else |
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{ |
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$imagefile = $_; |
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} |
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} |
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|
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# |
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# |
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# |
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|
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open IMAGE, "<$imagefile" or die "Cannot open $imagefile"; |
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binmode IMAGE; |
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|
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my $imagedata; |
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my $errors=0; |
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my $romrootdirectory; |
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|
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read IMAGE, $imagedata, 20; |
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if ($imagedata =~ /^EPOC....ROM/) |
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{ |
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$imageoffset -= 256; # compensate for REPRO header |
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} |
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else |
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{ |
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# No REPRO header, rewind back to the start |
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seek(IMAGE,0, 0) |
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} |
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|
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# |
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# identify the image type |
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# |
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|
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my $coresize=0; |
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my $id=readword(0); |
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if ($id == 0x53464f52) # ROFS |
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{ |
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$coresize=readword(0x2c); |
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printf "Core ROFS ROM image: %s\n", $imagefile; |
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$imagetype="ROFS"; |
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$romrootdirectory = readword(8); |
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} |
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elsif ($id == 0x78464f52) # ROFx |
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{ |
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printf "Extension ROFS ROM image: %s\n", $imagefile; |
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$imagetype="ROFx"; |
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exit (1); |
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} |
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else |
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84 |
{ |
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printf "Unknown ROM image type: %s\n", $imagefile; |
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exit (1); |
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} |
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|
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# |
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# |
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# |
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92 |
|
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my @directories; |
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push @directories, $romrootdirectory; |
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if (seek(IMAGE, $coresize+8, 0)) |
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{ |
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my $extdir=0; |
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$extdir=readword($coresize+8); |
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if ($extdir) { |
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push @directories, $extdir; |
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101 |
printf "Extended ROFS @ %08x\n", $coresize; |
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} |
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} |
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104 |
|
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my $root; |
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106 |
foreach $root (@directories) |
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107 |
{ |
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108 |
printf "\n\nDirectory @ 0x%08x:\n", $root; |
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109 |
print_directory($root, ""); |
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110 |
} |
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111 |
|
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my %seen_before; |
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113 |
|
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114 |
sub print_sortedarrays |
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115 |
{ |
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116 |
return if (!$readsortedarrays); |
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117 |
my $entry = shift ; |
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118 |
my $prefix = shift; |
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119 |
my $sortedarrayptr=$entry+4; |
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120 |
my $dircount=readshort($entry); |
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121 |
my $filecount=readshort($entry+2); |
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122 |
|
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123 |
printf "%s dirs[%d]=[",$prefix, $dircount; |
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124 |
while ($dircount--) |
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125 |
{ |
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126 |
printf "%04x",readshort($sortedarrayptr); |
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127 |
printf "," if $dircount; |
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128 |
$sortedarrayptr+=2; |
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129 |
} |
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130 |
print "]\n"; |
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131 |
|
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132 |
printf "%s files[%d]=[",$prefix,$filecount; |
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133 |
while ($filecount--) |
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|
134 |
{ |
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135 |
printf "%04x",readshort($sortedarrayptr); |
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136 |
printf "," if $filecount; |
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137 |
$sortedarrayptr+=2; |
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138 |
} |
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139 |
print "]\n"; |
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changeset
|
140 |
|
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|
141 |
} |
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|
142 |
|
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|
143 |
sub print_entry |
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144 |
{ |
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145 |
my ($entry, $prefix) = @_; |
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|
146 |
|
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147 |
my $size = readshort($entry); |
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148 |
my $nameoffset = readbyte(-1); |
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149 |
my $attributes = readbyte(-1); |
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150 |
my $filesize = readword(-1); |
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changeset
|
151 |
|
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152 |
my $fileoffset = readword(-1); # fileaddr |
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153 |
my $attributesextra = readbyte(-1); |
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|
154 |
|
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155 |
my $namelen = readbyte(-1); |
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156 |
my $name = readimage($namelen*2, -1); |
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157 |
$name =~ s/(.)./$1/g; # drop high byte of Unicode characters |
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|
158 |
|
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159 |
printf "%s %s\t%08x %02x %3d %08x\n", $prefix,$name, $entry, |
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160 |
$attributes, $filesize, $fileoffset; |
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|
161 |
|
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|
162 |
} |
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|
163 |
|
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|
164 |
sub print_directory |
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|
165 |
{ |
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|
166 |
my ($dir, $prefix) = @_; |
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|
167 |
if ($seen_before{$dir} == 1) |
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|
168 |
{ |
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|
169 |
printf "%s ...\n", $prefix; |
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170 |
return; |
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|
171 |
} |
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|
172 |
$seen_before{$dir} = 1; |
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|
173 |
my $dirstructsize=readshort($dir); |
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|
174 |
my $firstentryoffset=readbyte($dir+3); |
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175 |
my $entry = $dir+$firstentryoffset; |
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|
176 |
my $end = $dir+$dirstructsize; |
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changeset
|
177 |
|
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|
178 |
# print the files in this dir |
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179 |
# |
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|
180 |
my $fileblockoffset = readword($dir+4); |
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|
181 |
my $fileblocksize = readword($dir+8); |
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|
182 |
while ($fileblocksize>0) |
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changeset
|
183 |
{ |
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|
184 |
my $fileentrysize=readshort($fileblockoffset); |
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|
185 |
print_entry($fileblockoffset, "$prefix"); |
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|
186 |
$fileblocksize-=$fileentrysize; |
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|
187 |
$fileblockoffset+=$fileentrysize; |
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|
188 |
} |
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changeset
|
189 |
|
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changeset
|
190 |
# print the sub dirs |
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|
191 |
my $firstentry = $entry; |
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changeset
|
192 |
while ($entry < $end) |
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changeset
|
193 |
{ |
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changeset
|
194 |
my $size = readshort($entry); |
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changeset
|
195 |
my $nameoffset = readbyte(-1); |
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changeset
|
196 |
my $attributes = readbyte(-1); |
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changeset
|
197 |
my $filesize = readword(-1); |
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changeset
|
198 |
|
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changeset
|
199 |
my $fileoffset = readword(-1); # fileaddr |
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changeset
|
200 |
my $attributesextra = readbyte(-1); |
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parents:
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changeset
|
201 |
|
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changeset
|
202 |
my $namelen = readbyte(-1); |
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changeset
|
203 |
my $name = readimage($namelen*2, -1); |
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changeset
|
204 |
$name =~ s/(.)./$1/g; # drop high byte of Unicode characters |
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parents:
diff
changeset
|
205 |
|
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parents:
diff
changeset
|
206 |
printf "%s %s\\\t%08x \n", $prefix, $name, $entry; |
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changeset
|
207 |
print_directory($fileoffset, "$prefix |"); |
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parents:
diff
changeset
|
208 |
|
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changeset
|
209 |
$entry += $size; |
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changeset
|
210 |
$entry = ($entry+3)&~3; |
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parents:
diff
changeset
|
211 |
} |
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parents:
diff
changeset
|
212 |
|
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parents:
diff
changeset
|
213 |
} |
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parents:
diff
changeset
|
214 |
|
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
215 |
|
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Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
216 |
|
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parents:
diff
changeset
|
217 |
# |
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changeset
|
218 |
# read image subroutines |
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changeset
|
219 |
# |
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parents:
diff
changeset
|
220 |
|
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parents:
diff
changeset
|
221 |
sub readimage |
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parents:
diff
changeset
|
222 |
{ |
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parents:
diff
changeset
|
223 |
my ($length, $linaddr) = @_; |
044383f39525
Convert Build package from SFL to EPL
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parents:
diff
changeset
|
224 |
my $imagedata; |
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parents:
diff
changeset
|
225 |
|
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parents:
diff
changeset
|
226 |
if ($linaddr>=0) |
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parents:
diff
changeset
|
227 |
{ |
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parents:
diff
changeset
|
228 |
if (!seek(IMAGE, $linaddr-$imageoffset, 0)) |
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parents:
diff
changeset
|
229 |
{ |
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parents:
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changeset
|
230 |
printf "Can't seek to address 0x%x\n", $linaddr; |
044383f39525
Convert Build package from SFL to EPL
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parents:
diff
changeset
|
231 |
$errors++; |
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parents:
diff
changeset
|
232 |
return ""; |
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parents:
diff
changeset
|
233 |
} |
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parents:
diff
changeset
|
234 |
} |
044383f39525
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parents:
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changeset
|
235 |
read IMAGE, $imagedata, $length; |
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parents:
diff
changeset
|
236 |
return $imagedata; |
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parents:
diff
changeset
|
237 |
} |
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Convert Build package from SFL to EPL
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parents:
diff
changeset
|
238 |
|
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
239 |
sub readbyte |
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parents:
diff
changeset
|
240 |
{ |
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Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
241 |
my ($linaddr) = @_; |
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
242 |
return unpack "C", readimage(1, $linaddr); |
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Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
243 |
} |
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
244 |
|
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
245 |
sub readword |
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parents:
diff
changeset
|
246 |
{ |
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Convert Build package from SFL to EPL
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parents:
diff
changeset
|
247 |
my ($linaddr) = @_; |
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
248 |
return unpack "V", readimage(4, $linaddr); |
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parents:
diff
changeset
|
249 |
} |
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
250 |
|
044383f39525
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Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
251 |
sub readshort |
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parents:
diff
changeset
|
252 |
{ |
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parents:
diff
changeset
|
253 |
my ($linaddr) = @_; |
044383f39525
Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
254 |
return unpack "v", readimage(2, $linaddr); # unsigned short in little-endian |
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Convert Build package from SFL to EPL
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff
changeset
|
255 |
} |