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-rw-r--r--ubi-utils/scripts/bin2nand2bin_test.sh184
1 files changed, 184 insertions, 0 deletions
diff --git a/ubi-utils/scripts/bin2nand2bin_test.sh b/ubi-utils/scripts/bin2nand2bin_test.sh
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+++ b/ubi-utils/scripts/bin2nand2bin_test.sh
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+#!/bin/sh
+#
+# Testcase for nand2bin and bin2nand. Generate testdata and inject
+# biterrors. Convert data back and compare with original data.
+#
+# Conversion:
+# bin -> bin2nand -> mif -> nand2bin -> img
+#
+
+inject_biterror=./scripts/inject_biterror.pl
+
+pagesize=2048
+oobsize=64
+
+# Create test data
+dd if=/dev/urandom of=testblock.bin bs=131072 count=1
+
+echo "Test conversion without bitflips ..."
+
+echo -n "Convert bin to mif ... "
+bin2nand --pagesize=${pagesize} -o testblock.mif testblock.bin
+if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+else
+ echo "ok"
+fi
+
+echo -n "Convert mif to bin ... "
+nand2bin --pagesize=${pagesize} -o testblock.img testblock.mif
+if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+else
+ echo "ok"
+fi
+
+echo -n "Comparing data ... "
+diff testblock.bin testblock.img
+if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+else
+ echo "ok"
+fi
+
+echo "Test conversion with uncorrectable ECC erors ..."
+echo -n "Inject biterror at offset $ioffs ... "
+${inject_biterror} --offset=0 --bitmask=0x81 \
+ --input=testblock.mif \
+ --output=testblock_bitflip.mif
+if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+else
+ echo "ok"
+fi
+
+echo "Convert mif to bin ... "
+rm testblock.img
+nand2bin --correct-ecc --pagesize=${pagesize} -o testblock.img \
+ testblock_bitflip.mif
+if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+else
+ echo "ok"
+fi
+
+echo -n "Comparing data, must fail due to uncorrectable ECC ... "
+diff testblock.bin testblock.img
+if [ $? -ne "0" ]; then
+ echo "ok" # Must fail!
+else
+ echo "failed!"
+ exit 1
+fi
+
+echo "Test bitflips in data ... "
+for offs in `seq 0 255` ; do
+
+ cp testblock.mif testblock_bitflip.mif
+
+ for xoffs in 0 256 512 768 ; do
+ let ioffs=$offs+$xoffs
+
+ cp testblock_bitflip.mif testblock_bitflip_tmp.mif
+ echo -n "Inject biterror at offset $ioffs ... "
+ ${inject_biterror} --offset=${ioffs} --bitmask=0x01 \
+ --input=testblock_bitflip_tmp.mif \
+ --output=testblock_bitflip.mif
+ if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+ done
+
+ echo "Convert mif to bin ... "
+ rm testblock.img
+ nand2bin --correct-ecc --pagesize=${pagesize} -o testblock.img \
+ testblock_bitflip.mif
+ if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+
+ echo -n "Comparing data ... "
+ diff testblock.bin testblock.img
+ if [ $? -ne "0" ]; then
+ hexdump testblock.bin > testblock.bin.txt
+ hexdump testblock.img > testblock.img.txt
+ echo "Use tkdiff testblock.bin.txt testblock.img.txt to compare"
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+
+ # Without correction
+ echo "Convert mif to bin ... "
+ rm testblock.img
+ nand2bin --pagesize=${pagesize} -o testblock.img \
+ testblock_bitflip.mif
+ if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+
+ echo -n "Comparing data must differ, correction is disabled ... "
+ diff testblock.bin testblock.img
+ if [ $? -ne "0" ]; then
+ echo "ok" # must fail
+ else
+ echo "failed!"
+ exit 1
+ fi
+done
+
+echo "Test bitflips in OOB data ... "
+for offs in `seq 0 $oobsize` ; do
+
+ let ioffs=$pagesize+$offs
+
+ echo -n "Inject biterror at offset $ioffs ... "
+ ${inject_biterror} --offset=${ioffs} --bitmask=0x01 \
+ --input=testblock.mif \
+ --output=testblock_bitflip.mif
+ if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+
+ echo "Convert mif to bin ... "
+ rm testblock.img
+ nand2bin --correct-ecc --pagesize=${pagesize} -o testblock.img \
+ testblock_bitflip.mif
+ if [ $? -ne "0" ]; then
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+
+ echo -n "Comparing data ... "
+ diff testblock.bin testblock.img
+ if [ $? -ne "0" ]; then
+ hexdump testblock.bin > testblock.bin.txt
+ hexdump testblock.img > testblock.img.txt
+ echo "Use tkdiff testblock.bin.txt testblock.img.txt to compare"
+ echo "failed!"
+ exit 1
+ else
+ echo "ok"
+ fi
+done
+