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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-23 22:24:39 +02:00
Updated slugimage to the latest upstream version, which fixes the small kernel bug which OpenWRT exposed.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5923 3c298f89-4303-0410-b956-a3cf2f4a3e73
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rwhitby
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@ -410,7 +410,7 @@ sub readInFirmware {
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}
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else {
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# Slurp up the data, based on whether a header is present or not
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# Slurp up the data, based on whether a header and/or data is present or not
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if ($_->{'header'}) {
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# Read the length, and grab the data based on the length.
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@ -422,6 +422,11 @@ sub readInFirmware {
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$_->{'data'} = substr($firmware_buf, $_->{'offset'} + $_->{'header'}, $data_len);
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}
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}
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elsif ($_->{'pseudo'} and not defined $_->{'file'} and
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(substr($firmware_buf, $_->{'offset'}, $_->{'size'}) eq
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(pack("C", 0xff) x $_->{'size'}))) {
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$debug and printf("Skipping empty pseudo partition <%s>\n", $_->{'name'});
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}
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else {
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# Grab the whole partition, using the maximum size.
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@ -557,6 +562,11 @@ sub readInFirmwareParts {
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sub layoutPartitions {
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my(@partitions) = @_;
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# Find the kernel partition, and save a pointer to it for later use
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my $kernel;
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map { ($_->{'name'} eq "Kernel") && ($kernel = $_); } @partitions;
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$kernel or die "Couldn't find the kernel partition\n";
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# Find the last variable size partition, and save a pointer to it for later use
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my $lastdisk;
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my $directory_offset;
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@ -588,66 +598,33 @@ sub layoutPartitions {
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$debug and printf("Pointer is 0x%08X\n", $pointer);
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# If this is the last variable size partition, then fill the rest of the space.
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if ($_->{'name'} eq $lastdisk->{'name'}) {
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$_->{'size'} = paddedSize($directory_offset + $flash_start - $pointer);
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$debug and printf("Padding last variable partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
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}
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# Handle requests for partition creation first.
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if (defined $_->{'size'} and not defined $_->{'data'} and ($_->{'name'} ne "FIS directory")) {
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# A zero size is a request to fill all available space.
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if ($_->{'size'} == 0) {
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# Grab the start of the FIS directory, and use all the space up to there.
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$_->{'size'} = paddedSize($directory_offset + $flash_start - $pointer);
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# Create an empty partition of the requested size.
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$_->{'data'} = padBytes("", $_->{'size'});
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$debug and printf("Creating empty partition <%s> of 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
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}
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if (not defined $_->{'offset'}) {
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# Check to make sure that the requested size is not too large.
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if (($pointer + $_->{'size'}) > ($flash_start + $directory_offset)) {
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die "Ran out of flash space in <", $_->{'name'}, ">\n";
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}
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}
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else {
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# Check to make sure that the requested size is not too large.
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if (($_->{'offset'} + $_->{'size'}) > ($flash_start + $directory_offset)) {
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die "Ran out of flash space in <", $_->{'name'}, ">\n";
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}
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# Determine the start and offset of the current partition.
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if (defined $_->{'offset'}) {
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$_->{'start'} = $flash_start + $_->{'offset'};
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# Check for running past the defined start of the partition.
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if (($pointer > $_->{'start'}) and not $_->{'pseudo'}) {
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die sprintf("Ran out of flash space before <%s> - %s too large.\n", $_->{'name'},
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sprintf("0x%05X bytes", ($pointer - $_->{'start'})));
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}
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}
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# Then handle known partitions, and allocate them.
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if (defined $_->{'size'}) {
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# If offset is not defined, then calculate it.
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else {
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$_->{'start'} = $pointer;
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$_->{'offset'} = $_->{'start'} - $flash_start;
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}
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# Determine the start and offset of the current partition.
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if (defined $_->{'offset'}) {
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$_->{'start'} = $flash_start + $_->{'offset'};
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}
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my $size = defined $_->{'data'} ? length($_->{'data'}) : 0;
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# If offset is not defined, then calculate it.
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else {
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$_->{'start'} = $pointer;
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$_->{'offset'} = $_->{'start'} - $flash_start;
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}
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# Add skip regions for the partitions with headers.
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if ($_->{'header'} > 0) {
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# Define the skip region for the initial Sercomm header.
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push(@{$_->{'skips'}},
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{ 'offset' => 0, 'size' => $_->{'header'}, 'data' => undef });
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# Allow for the Sercomm header to be prepended to the data.
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$size += $_->{'header'};
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my $size = defined $_->{'data'} ? length($_->{'data'}) : 0;
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# Add skip regions for the partitions with headers.
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if ($_->{'header'} > 0) {
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# Define the skip region for the initial Sercomm header.
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push(@{$_->{'skips'}},
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{ 'offset' => 0, 'size' => $_->{'header'}, 'data' => undef });
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# Allow for the Sercomm header to be prepended to the data.
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$size += $_->{'header'};
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}
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# Determine if the partition requires a Sercomm skip region.
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# Determine if the partition overlaps the ramdisk boundary.
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if (($_->{'offset'} < $ramdisk_offset) and
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(($_->{'offset'} + $size) > $ramdisk_offset)) {
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# Define the skip region for the inline Sercomm header.
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@ -657,37 +634,65 @@ sub layoutPartitions {
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# Allow for the Sercomm header to be inserted in the data.
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$size += 16;
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}
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# Extend to another block if required.
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if ($size > $_->{'size'}) {
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$_->{'size'} = $size;
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printf("Extending partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
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}
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# Keep the user appraised ...
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$debug and printf("Allocated <%s> from 0x%08X to 0x%08X (%s / %s)\n",
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$_->{'name'}, $_->{'start'}, $_->{'start'} + $_->{'size'},
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($size >= $block_size ?
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sprintf("%d blocks", numBlocks($size)) :
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sprintf("0x%05X bytes", $size)),
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($_->{'size'} >= $block_size ?
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sprintf("%d blocks", numBlocks($_->{'size'})) :
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sprintf("0x%05X bytes", $_->{'size'})));
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# Check to make sure we have not run out of room.
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if (($_->{'start'} + $_->{'size'}) > ($flash_start + $flash_len)) {
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die "Ran out of flash space in <", $_->{'name'}, ">\n";
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}
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$debug and printf("Moving pointer from 0x%08X to 0x%08X (0x%08X + 0x%08X)\n",
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$pointer, paddedSize($_->{'start'} + $_->{'size'}),
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$_->{'start'}, $_->{'size'});
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# Move the pointer up, in preparation for the next partition.
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$pointer = paddedSize($_->{'start'} + $_->{'size'});
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}
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# Partitions without headers cannot have skip regions.
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elsif (($_->{'offset'} <= $ramdisk_offset) and
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(($_->{'offset'} + $size) > $ramdisk_offset)) {
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# Pad the kernel until it extends past the ramdisk offset.
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push(@{$kernel->{'skips'}},
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{ 'offset' => ($ramdisk_offset - $kernel->{'offset'}), 'size' => 16,
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'data' => pack("N4", $block_size) });
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$kernel->{'size'} = $ramdisk_offset - $kernel->{'offset'} + $block_size;
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$kernel->{'data'} = padBytes($kernel->{'data'},
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$kernel->{'size'} - $kernel->{'header'} - 16);
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$_->{'offset'} = $ramdisk_offset + $block_size;
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$_->{'start'} = $flash_start + $_->{'offset'};
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$pointer = $_->{'start'};
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$debug and printf("Extending kernel partition past ramdisk offset.\n");
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}
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# If this is the last variable size partition, then fill the rest of the space.
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if ($_->{'name'} eq $lastdisk->{'name'}) {
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$_->{'size'} = paddedSize($directory_offset + $flash_start - $pointer);
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$debug and printf("Padding last variable partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
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}
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die sprintf("Partition size not defined in <%s>.\n", $_->{'name'})
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unless defined $_->{'size'};
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# Extend to another block if required.
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if ($size > $_->{'size'}) {
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if ($_->{'name'} eq $lastdisk->{'name'}) {
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die sprintf("Ran out of flash space in <%s> - %s too large.\n", $_->{'name'},
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sprintf("0x%05X bytes", ($size - $_->{'size'})));
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}
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$_->{'size'} = $size;
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printf("Extending partition <%s> to 0x%08X bytes\n", $_->{'name'}, $_->{'size'});
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}
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# Keep the user appraised ...
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$debug and printf("Allocated <%s> from 0x%08X to 0x%08X (%s / %s)\n",
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$_->{'name'}, $_->{'start'}, $_->{'start'} + $_->{'size'},
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($size >= $block_size ?
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sprintf("%d blocks", numBlocks($size)) :
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sprintf("0x%05X bytes", $size)),
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($_->{'size'} >= $block_size ?
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sprintf("%d blocks", numBlocks($_->{'size'})) :
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sprintf("0x%05X bytes", $_->{'size'})));
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# Check to make sure we have not run out of room.
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if (($_->{'start'} + $_->{'size'}) > ($flash_start + $flash_len)) {
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die "Ran out of flash space in <", $_->{'name'}, ">\n";
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}
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$debug and printf("Moving pointer from 0x%08X to 0x%08X (0x%08X + 0x%08X)\n",
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$pointer, paddedSize($_->{'start'} + $_->{'size'}),
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$_->{'start'}, $_->{'size'});
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# Move the pointer up, in preparation for the next partition.
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$pointer = paddedSize($_->{'start'} + $_->{'size'});
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} @partitions;
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return;
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@ -916,7 +921,7 @@ sub defaultPartitions {
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'offset'=>0x007f8000, 'size'=>0x00004000,
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'variable'=>0, 'header'=>0, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0},
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{'name'=>'Microcode', 'file'=>'NPE-B',
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'offset'=>0x007fc000, 'size'=>0x00003ff0,
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'offset'=>0x007fc000, 'size'=>0x00003000,
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'variable'=>0, 'header'=>16, 'pseudo'=>1, 'data'=>undef, 'byteswap'=>0},
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{'name'=>'Trailer', 'file'=>'Trailer',
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'offset'=>0x007ffff0, 'size'=>0x00000010,
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@ -1110,10 +1115,7 @@ if (defined $ramdisk) {
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if (defined $size) {
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$entry{'size'} = $size * $block_size;
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# Create an empty partition of the requested size.
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$entry{'data'} = padBytes("", $entry{'size'});
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if ($entry{'header'}) {
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$entry{'data'} = padBytes("", $entry{'size'} - $entry{'header'});
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}
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$entry{'data'} = padBytes("", $entry{'size'} - $entry{'header'});
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}
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\%entry;
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