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#!/bin/sh
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/build/debug/fsp-memdump.sh $
#
# IBM CONFIDENTIAL
#
# COPYRIGHT International Business Machines Corp. 2013
#
# p1
#
# Object Code Only (OCO) source materials
# Licensed Internal Code Source Materials
# IBM HostBoot Licensed Internal Code
#
# The source code for this program is not published or otherwise
# divested of its trade secrets, irrespective of what has been
# deposited with the U.S. Copyright Office.
#
# Origin: 30
#
# IBM_PROLOG_END_TAG
# @fn usage
# Print usage statement.
usage()
{
echo "memdump.sh <filename> [STATE|discover]"
echo
echo " STATE should be a two nibble hex value corresponding to the"
echo " MemSize enumeration in <kernel/memstate.H> or the ASCII string"
echo " 'discover'."
exit -1
}
# @fn dump
# Extract a block of memory using cipgetmempba.
#
# @param addr - Address to extract.
# @param size - Size (in bytes) to extract.
dump()
{
addr=$1
size=$2
memaddr=`expr $addr + $HRMOR`
echo "Extracting ${size}@${addr}"
cipgetmempba `printf "%08x" ${memaddr}` ${size} -fb /tmp/memdump.part
dd bs=1 if=/tmp/memdump.part of=${FILE} seek=${addr} count=${size} \
conv=notrunc
rm /tmp/memdump.part
}
# @fn discover
# Read the HB descriptor to determine the current memory state and update the
# STATE variable.
discover()
{
# Calculate hostboot descriptor address. (0x2000 + 8 + HRMOR)
descriptor_addr=`expr 8200 + $HRMOR`
descriptor_h=`printf "%08x" ${descriptor_addr}`
# Extract descriptor base address.
state_base_h=`cipgetmempba ${descriptor_h} 8 -ox -quiet | tail -n1`
state_base=`printf "%d" ${state_base_h}`
# Calculate offset for the state variable within the descriptor.
# Last byte of 3rd 8-byte entry. (16 + 7 + BASE + HRMOR)
state_addr=`expr 16 + 7 + ${state_base} + ${HRMOR}`
state_addr_h=`printf "%08x" ${state_addr}`
# Read state.
STATE=`cipgetmempba ${state_addr_h} 1 -ox -quiet | tail -n1 | sed "s/0x//"`
}
# Read filename and state.
FILE=$1
STATE=$2
if [[ -z ${FILE} ]]; then
usage
fi
if [[ -z ${STATE} ]]; then
STATE=08
fi
# Calculate HRMOR (in decimal).
HRMOR=`expr 128 \* 1024 \* 1024`
# Using initial STATE, iterate through all the included states dumping each's
# appropriate memory sections.
while [[ ${STATE} != BREAK ]]
do
case ${STATE} in
00|0)
dump 0 520192
STATE=BREAK
;;
ff|FF)
dump 520192 4096
dump 1048576 524288
dump 2097152 524288
dump 3145728 262144
dump 3473408 196608
STATE=00
;;
04|4)
dump 524288 524288
dump 1572864 524288
dump 2621440 524288
dump 3670016 524288
STATE=ff
;;
08|8)
dump 4194304 1048576
dump 5242880 1048576
dump 6291456 1048576
dump 7340032 1048576
STATE=04
;;
20)
dump 8388608 1048576
dump 9437184 1048576
dump 10485760 1048576
dump 11534336 1048576
dump 12582912 1048576
dump 13631488 1048576
dump 14680064 1048576
dump 15728640 1048576
dump 16777216 1048576
dump 17825792 1048576
dump 18874368 1048576
dump 19922944 1048576
dump 20971520 1048576
dump 22020096 1048576
dump 23068672 1048576
dump 24117248 1048576
dump 25165824 1048576
dump 26214400 1048576
dump 27262976 1048576
dump 28311552 1048576
dump 29360128 1048576
dump 30408704 1048576
dump 31457280 1048576
dump 32505856 1048576
STATE=08
;;
discover) # Call discover function to determine state.
discover
;;
*)
echo Unsupported STATE.
STATE=BREAK
;;
esac
done
|
