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# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/build/debug/Hostboot/BlTrace.pm $
#
# OpenPOWER HostBoot Project
#
# Contributors Listed Below - COPYRIGHT 2016,2017
# [+] 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;
package Hostboot::BlTrace;
use Exporter;
our @EXPORT_OK = ('main');
my %traceText = (
"10" => "Main started",
"11" => "Main getHBBSection returned",
"12" => "Main handleMMIO to working location returned",
"13" => "Main removeECC returned",
"14" => "Main verify started",
"15" => "Main verify succeeded",
"16" => "Main copy HBB to running location done",
"17" => "Main verify skip verification - no eyecatch ",
# @TODO RTC:167740 TI on failed magic # check once signing is widespread
"18" => "Main verify skip verification - no magic number ",
"19" => "Main verify skip verification - SAB unset ",
"20" => "HandleMMIO started",
"21" => "HandleMMIO started using BYTESIZE",
"24" => "HandleMMIO started using WORDSIZE",
"28" => "HandleMMIO started using DBLWORDSIZE",
"30" => "PNOR Access getHBBSection started",
"31" => "PNOR Access findTOC handleMMIO to copy TOC ONE returned",
"32" => "PNOR Access findTOC readTOC for TOC ONE returned",
"33" => "PNOR Access findTOC use PNOR start address",
"34" => "PNOR Access findTOC adjust PNOR address",
"35" => "PNOR Access getHBBSection findTOC returned",
"41" => "PNOR Access readTOC zeroSection returned",
"42" => "PNOR Access readTOC checkForNullBuffer returned",
"43" => "PNOR Access readTOC performHdrChecksum returned",
"44" => "PNOR Access readTOC checkHeader returned",
"45" => "PNOR Access readTOC parseEntries returned",
"D0" => "Main removeECC returned corrected ECC rc",
"E0" => "Utils checkHeader magic invalid",
"E1" => "Utils checkHeader version invalid",
"E2" => "Utils checkHeader entry size invalid",
"E3" => "Utils checkHeader entry count invalid",
"E4" => "Utils checkHeader block size invalid",
"E5" => "Utils checkHeader block count invalid",
"E6" => "Utils checkHeader header size invalid",
"E7" => "Utils parseEntries invalid section",
"E8" => "Utils SectionIdToString PNOR section id out of range",
"E9" => "Utils cmpSecurebootMagicNumber requested address to compare is a nullptr",
"F0" => "Main getHBBSection returned",
"F1" => "Main removeECC returned error",
"F2" => "PNOR Access readTOC checkForNullBuffer null buffer",
"F3" => "PNOR Access readTOC performHdrChecksum checksum error",
"F4" => "PNOR Access readTOC checkHeader header error",
"F5" => "PNOR Access readTOC parseEntries entry error",
"F6" => "PNOR Access findTOC readTOC errors",
"F7" => "Utils parseEntries checksum error",
"F8" => "Utils parseEntries size extends beyond Flash",
"F9" => "PNOR Access getHBBSection findTOC error",
"FA" => "PNOR Access getHBBSection findTOC no HBB section",
"FB" => "main verifyBaseImage failed",
"FC" => "main verifyBaseImage secure rom invalid",
);
sub formatTrace
{
my $trace = shift;
my $traceDataRaw = "";
my $traceDataText = "";
for (my $i = 0; $i < length($trace); $i++)
{
my $traceHexStr = sprintf("%02X", ord(substr($trace, $i, 1)));
$traceDataRaw .= $traceHexStr;
if ($i % 16 == 15)
{
$traceDataRaw .= "\n";
}
elsif ($i % 4 == 3)
{
$traceDataRaw .= " ";
}
else
{
$traceDataRaw .= " ";
}
if (exists $traceText{$traceHexStr})
{
if ($traceText{$traceHexStr} ne "")
{
$traceDataText .= "$traceHexStr $traceText{$traceHexStr}\n";
}
else
{
$traceDataText .= "$traceHexStr NO TRACE TEXT FOUND - check BlTrace.pm\n";
}
}
else
{
$traceDataText .= "$traceHexStr UNKNOWN HEX FOUND - check BlTrace.pm\n";
}
}
return $traceDataRaw."\n\n".$traceDataText;
}
sub main
{
::setBootloader();
my ($packName,$args) = @_;
my $traceAddr = 0x08208000;
my $traceSize = 64;
# Parse trace address from options.
if (defined $args->{"address"})
{
$traceAddr = $args->{"address"};
}
elsif (defined $args->{"addr"})
{
$traceAddr = $args->{"addr"};
}
my $indexAddr = $traceAddr + $traceSize;
my $index = ::read8($indexAddr);
my $indexStr = sprintf("0x%02X", $index);
::userDisplay "\n------------Bootloader Trace------------";
::userDisplay "\nNext Entry Index: ";
::userDisplay $indexStr;
my $traceAddrStr = sprintf("0x%08X", $traceAddr);
my $trace = ::readData($traceAddr,$traceSize);
$trace =~ s/\0+//g; #strip off nulls
my $traceData = formatTrace($trace);
::userDisplay "\n\nTrace Buffer Address: ";
::userDisplay $traceAddrStr;
::userDisplay "\n\nTrace Data:\n";
::userDisplay $traceData;
::userDisplay "\n--------------------------------------------\n";
::clearBootloader();
}
sub helpInfo
{
my %info = (
name => "BlTrace",
intro => ["Displays the Bootloader trace buffer."],
options => {
"address='trace address'" => ["Address of trace buffer."],
},
notes => ["addr can be used as a short-name for 'address'."]
);
}
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