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Laura Abbott authored
After a crash, ramdumps may be collected for analysis. The ram parser is a tool to aid in analysis of these dumps. The script extracts useful information from the dumps to help with debugging. Please see the README for full details. Change-Id: I7795686a96bbfe246edf47d09e3f616131688429
9133968f
bitops.py 758 B
# Copyright (c) 2013, The Linux Foundation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 and
# only version 2 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
def bm(msb, lsb):
'Creates a bitmask from msb to lsb'
return int(('1' * (msb - lsb + 1)) + ('0' * lsb), 2)
def bvalsel(msb, lsb, val):
'Masks and returns the bits from msb to lsb in val'
return ((val & bm(msb, lsb)) >> lsb)