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#!/usr/bin/perl
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/build/buildpnor/parse-pnor $
#
# OpenPOWER HostBoot Project
#
# Contributors Listed Below - COPYRIGHT 2015,2016
# [+] International Business Machines Corp.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
#
# IBM_PROLOG_END_TAG
use strict;
use XML::Simple;
use Data::Dumper;
use File::Basename;
use Cwd qw(abs_path cwd);
use lib dirname abs_path($0);
use PnorUtils qw(loadPnorLayout checkFile);
use Getopt::Long qw(:config pass_through);
################################################################################
# Set PREFERRED_PARSER to XML::Parser. Otherwise it uses XML::SAX which contains
# bugs that result in XML parse errors that can be fixed by adjusting white-
# space (i.e. parse errors that do not make sense).
################################################################################
$XML::Simple::PREFERRED_PARSER = 'XML::Parser';
my $debug = 0;
my $help = 0;
my %pnorLayout;
my %PhysicalOffsets;
my %globals = ( "branch" => "master" );
GetOptions("debug!" => \$debug,
"help" => \$help);
my %commands = ( "display" => \&execute_display,
"help" => \&execute_help,
);
if ($help)
{
execute_help();
}
my $command = shift @ARGV;
if ($commands{$command})
{
&{$commands{$command}}();
}
else
{
execute_help();
}
foreach my $arg (@ARGV)
{
print "Unprocessed arg: $arg\n" if $debug;
}
############################## Begin Actions ##################################
sub execute_help
{
my $command = shift @ARGV;
if ($command eq "")
{
print "parse-pnor:\n";
print " Parse a PNOR XML and get useful information\n";
print "\n";
print " Syntax:\n";
print " parse-pnor [options] <tool>\n";
print "\n";
print " Available subtools:\n";
foreach my $key (sort keys %commands)
{
print " $key\n";
}
print "\n";
print " Global options:\n";
print " --debug Enable debug mode.\n";
print " --help Display help on a specific tool.\n";
}
elsif (not defined $commands{$command})
{
die "Unknown subcommand: $command.\n";
}
else
{
my %help = (
"display" =>
q(
Display the XML pnor layout in an easier to read format
Use option '--gaps' to find unused space
Options:
--layout=<xml-file> Full path to PNOR layout file [required].
--gaps Display where gaps are [default=false].
--verbose Display more of the PNOR layout [default=false].
),
);
print "parse-pnor $command:";
print $help{$command};
}
}
sub execute_display
{
my $pnorFile = "";
my $verbose = 0;
my $gaps = 0;
GetOptions("layout:s" => \$pnorFile,
"verbose" => \$verbose,
"gaps" => \$gaps);
die "Missing pnor layout" if ($pnorFile eq "");
checkFile($pnorFile);
my $rc = loadPnorLayout($pnorFile, \%pnorLayout, \%PhysicalOffsets);
die "Error detected from call to loadLayout()" if($rc);
if (!$verbose)
{
print "-------------------------------------------------------- \n";
print "Name-physicalOffset-physicalRegionSize-physicalRegionEnd \n";
print "-------------------------------------------------------- \n";
}
my $curOffset = 0;
my $totalFree = 0;
# Iterate through all sections of PNOR, including TOC's
foreach my $section (sort {$a <=> $b} keys %{$pnorLayout{sections}})
{
# Get hex format for each value
my $offset = sprintf("0x%X",$pnorLayout{sections}{$section}{physicalOffset});
my $size = sprintf("0x%X",$pnorLayout{sections}{$section}{physicalRegionSize});
my $end = sprintf("0x%X",hex($offset)+hex($size));
# Check if there is a gap between sections
if ($gaps && ($curOffset < hex($offset)))
{
print " > Gap Found: addr = ".sprintf("0x%X",$curOffset);
# Display address and size of gap
my $gapSize = hex($offset)-$curOffset;
print " size = ".sprintf("0x%X",$gapSize)."\n";
$totalFree += $gapSize;
$curOffset = hex($offset) + hex($size);
}
else
{
$curOffset += hex($size);
}
# Print sections
if ($verbose)
{
print $pnorLayout{sections}{$section}{eyeCatch}."\n";
print Dumper $pnorLayout{sections}{$section};
print "\n";
}
else
{
print $pnorLayout{sections}{$section}{eyeCatch}."-$offset-$size-$end\n";
}
}
# Display total free space
if($gaps)
{
my $hexVal = sprintf("0x%X",$totalFree);
my $kiloBytes = $totalFree/1024;
print "\n---Total Free Space = ".$totalFree." Bytes or ".$kiloBytes." KB";
print " (".$hexVal.")\n";
}
}
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