commit 6b5b27e3252a80ee4da5e0a6d4c6e8f7414be50f
author Gunnar Mills <gmills@us.ibm.com> Wed Mar 01 21:37:01 2017 -0600
committer Gunnar Mills <gmills@us.ibm.com> Thu Mar 02 15:23:53 2017 -0600
tree 8e718f478703fcb0240dc9e0e88cda6051c74497
parent 41aa0a7b3e9f612d302ce0cecfa3382917746ee2

Parse the PNOR TOC and create a metadata file

Change-Id: I4d4780d6ccc6fe9f5e3a2f14f4ea635222eee141
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>

generate-squashfs

diff --git a/generate-squashfs b/generate-squashfs
index 200974d..3811378 100755
--- a/generate-squashfs
+++ b/generate-squashfs
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 help=$'Generate SquashFS image Script
 
@@ -13,6 +13,8 @@
 '
 
 outfile=`pwd`"/pnor.xz.squashfs"
+declare -a partitions=()
+tocfile="pnor.toc"
 
 while [[ $# -gt 0 ]]; do
   key="$1"
@@ -33,7 +35,20 @@
 done
 
 scratch_dir=`mktemp -d` || exit 1
-partitions=($(pflash --info | grep ID | awk '{print $2}'))
+
+echo "Parsing PNOR TOC..."
+{
+  while read line; do
+    if [[ $line == "ID="* ]]; then
+        # This line looks like "ID=05 MVPD 000d9000..00169000 (actual=00090000)"
+        read -r -a fields <<< "$line"
+        # Need the partition ID, name, start location, and end location
+        echo  "partition${fields[0]##*=}=${fields[1]},${fields[2]/../,}"
+        # Save the partition name
+        partitions+=(${fields[1]})
+    fi
+  done < <(pflash --info)
+} > ${scratch_dir}/${tocfile}
 
 for partition in "${partitions[@]}"; do
   echo "Reading ${partition}..."
@@ -44,7 +59,7 @@
 echo "Creating SquashFS image..."
 
 cd "${scratch_dir}"
-squashfs_cmd="mksquashfs ${partitions[*]} ${outfile}"
+squashfs_cmd="mksquashfs ${tocfile} ${partitions[*]} ${outfile}"
 ${squashfs_cmd} || exit 1
 
 echo "SquashFS Image at ${outfile}"