Created
July 5, 2017 06:52
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Dump out the state of your SBE with pdbg
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#!/usr/bin/python2 | |
# | |
# OpenPOWER sbe Project | |
# | |
# 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. | |
import os | |
def sbe_status(proc=0): | |
cmd = "pdbg getcfam 0x2809 -p {}".format(proc) | |
output = os.popen(cmd).read() | |
# TODO: error handling | |
output = output.split('=')[1] | |
parsevalue(bin(int(output, 16))) | |
def parsevalue(cfam): | |
sbe_states = {'0000': 'SBE_STATE_UNKNOWN', | |
'0001' : 'SBE_STATE_IPLING', | |
'0010': 'SBE_STATE_ISTEP', | |
'0011' : 'SBE_STATE_MPIPL', | |
'0100': 'SBE_STATE_RUNTIME', | |
'0101' : 'SBE_STATE_DMT', | |
'0110': 'SBE_STATE_DUMP', | |
'0111' : 'SBE_STATE_FAILURE', | |
'1000': 'SBE_STATE_QUIESCE', | |
'1001' : 'SBE_STATE_QUIESCE', | |
'1111': 'SBE_INVALID_STATE'} | |
val = cfam[2:3] | |
val = 'True' if val == '1' else 'False' | |
print "SBE Booted : %s" %(val) | |
val = cfam[3:4] | |
val = 'True' if val == '1' else 'False' | |
print "Async FFDC : %s" %(val) | |
val = cfam[4:6] | |
print "Reserver Bit [2:3] : %s" %(val) | |
val = cfam[6:10] | |
print "SBE Previous State : %s (%s)" %(sbe_states[val], val) | |
val = cfam[10:14] | |
print "SBE Current State : %s (%s)" %(sbe_states[val], val) | |
val = cfam[14:22] | |
print "Istep Major : %s" %(int(val, 2)) | |
val = cfam[22:28] | |
print "Istep Minor : %s" %(int(val, 2)) | |
val = cfam[28:34] | |
print "Reserved Bit [26:31] : %s" %(val) | |
if __name__ == "__main__": | |
sbe_status() |
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