diff options
Diffstat (limited to 'ubi-utils/scripts/bin2nand2bin_test.sh')
| -rw-r--r-- | ubi-utils/scripts/bin2nand2bin_test.sh | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/ubi-utils/scripts/bin2nand2bin_test.sh b/ubi-utils/scripts/bin2nand2bin_test.sh new file mode 100644 index 0000000..a17c91b --- /dev/null +++ b/ubi-utils/scripts/bin2nand2bin_test.sh @@ -0,0 +1,184 @@ +#!/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 + |