assembler/selftest.sh

   1 #!/bin/bash
   2
   3 ASM="b43-asm"
   4 DASM="b43-dasm"
   5 SUM="sha1sum"
   6 TMPDIR="/tmp"
   7
   8
   9 if [ $# -ne 1 ]; then
  10         echo "b43-(d)asm trivial selftest"
  11         echo "This selftest will take the binary input file, disassemble"
  12         echo "it, assemble it and compare the two binaries."
  13         echo
  14         echo "Usage: $0 /path/to/binary"
  15         exit 1
  16 fi
  17 infile="$1"
  18
  19 if ! [ -r "$infile" ]; then
  20         echo "Can not read input binary $infile"
  21         exit 1
  22 fi
  23
  24 rnd="$RANDOM"
  25 asmfile="$TMPDIR/b43-asm-selftest-$rnd.asm"
  26 outfile="$TMPDIR/b43-asm-selftest-$rnd.bin"
  27
  28 function cleanup
  29 {
  30         rm -f "$asmfile"
  31         rm -f "$outfile"
  32 }
  33 cleanup
  34
  35
  36 $DASM "$infile" "$asmfile"
  37 err=$?
  38 if [ $err -ne 0 ]; then
  39         echo "Disassembling FAILED: $err"
  40         cleanup
  41         exit 1
  42 fi
  43 $ASM "$asmfile" "$outfile"
  44 err=$?
  45 if [ $err -ne 0 ]; then
  46         echo "Assembling FAILED: $err"
  47         cleanup
  48         exit 1
  49 fi
  50
  51 orig_sum="$($SUM "$infile" | cut -f1 -d ' ')"
  52 err=$?
  53 if [ $err -ne 0 ] || [ -z "$orig_sum" ]; then
  54         echo "Checksumming of input file failed: $err"
  55         cleanup
  56         exit 1
  57 fi
  58 out_sum="$($SUM "$outfile" | cut -f1 -d ' ')"
  59 err=$?
  60 if [ $err -ne 0 ] || [ -z "$out_sum" ]; then
  61         echo "Checksumming of reassembled file failed: $err"
  62         cleanup
  63         exit 1
  64 fi
  65 cleanup
  66
  67 echo "Input file checksum:    $orig_sum"
  68 echo "Re-assembled checksum:  $out_sum"
  69 echo
  70
  71 if [ "$orig_sum" != "$out_sum" ]; then
  72         echo "FAILURE: Checksums don't match!"
  73         exit 1
  74 fi
  75 echo "Checksums match"
  76
  77 exit 0