seti $printhelp = $printhelp
seti $help = $help
if $help = 1
  echo 'This will read a log from the device.'
  echo 'This requires the number variable "log" to be set in DECIMAL.'
  echo 'To enter a hex number preceed it with "0x".'
  echo 'log is the log number to be read.'
  echo 'Example: hddsupertool -t /dev/sda -f ata_read_log_ext'
  if $printhelp = 1
    exit 0
  endif
  echo 'Hit ENTER to continue...'
  userinput $choicestring
  previousscript
endif

include good_subroutines

# set a blank string variable to compare with user input
# make sure not to set this anyplace else
sets $null = ""

# set this to itself for use with the menu system
# make sure not to set this anyplace else
# if it was not previously set it will = 0
seti $using_menu = $using_menu

seti $ask = 0
while 1 = 1
  variablecheck $log
  if $error_level < 16
    seti $ask = 1
  elseif $using_menu = 1
    seti $ask = 1
  endif
  if $ask = 1
    echo "Enter log number in decimal (0x for hex):"
    userinput $choicestring
    if $choicestring != $null
      seti $log = $choicestring 0
      if $log < 256
        break
      else
        echo "Value cannot be above 255 (0xff)"
      endif
    else
      echo "Choice cannot be blank!"
    endif
  else
    break
  endif
done

# set the buffer size
buffersize 512

# set the LBAs to 0
seti $LBAlow = 0
seti $LBAmid = 0
seti $LBAhigh = 0

# set some things to read log 0
setreadpio
# set features to 0
seti $features = 0
# set count to 1
seti $count = 1
# set device to 0
seti $device = 0
# set lba to log page 0
seti $LBAlow = 0x0
# set the command for read log extended
seti $command = 0x2f

# make sure buffer is clear
clearbuffer

# perform the command
ata48cmd $features $count $LBAhigh $LBAmid $LBAlow $device $command

# check if command failed
seti $command_failed = 0
gosub check_command_status
if $command_failed = 1
  echo "Command failed!"
  gosub show_sense_data
  gosub show_ata_return_status
  previousscript
endif

#echo "Raw buffer:"
#printbuffer 0 512

if $log > 0
  seti $temp = $log * 2
  seti $logsize = buffer $temp w
else
  seti $logsize = 1
endif
if $logsize > 0
  seti $buffersize = $logsize * 512
  buffersize $buffersize
  # set lba to log page
  seti $LBAlow = $log
  # set count to log size
  seti $count = $logsize
  # perform the command
  ata48cmd $features $count $LBAhigh $LBAmid $LBAlow $device $command

  # check if command failed
  seti $command_failed = 0
  gosub check_command_status
  if $command_failed = 1
    echo "Command failed!"
    gosub show_sense_data
    gosub show_ata_return_status
    previousscript
  endif
  echo "Raw buffer:"
  printbuffer 0 $buffersize
endif

if $log = 0
  seti $log = 1
  while $log < 256
    seti $temp = $log * 2
    seti $logsize = buffer $temp w
    if $logsize > 0
      hex
      echo "log 0x" $log " = 0x" $logsize
      decimal
    endif
  seti $log = $log + 1
  done
endif

if $log = 3
    seti $logpage = 0
    seti $logerrcount = 1
    while $logpage < $logsize
      seti $logposition = $logpage * 512
      if $logpage = 0
        seti $logindex = buffer 2 w
        echo "log index = " $logindex
      endif
      seti $errstructcount = 0
      while $errstructcount < 4
        seti $errstructoffset = $logposition + 4
        seti $tempoffset = $errstructcount * 124
        seti $errstructoffset = $errstructoffset + $tempoffset
        echo "error structure " $logerrcount
        seti $datastructcount = 0
        while $datastructcount < 6
          seti $tempoffset = $datastructcount * 18
          seti $datastructoffset = $errstructoffset + $tempoffset
          printbuffer $datastructoffset 16
          seti $datastructcount = $datastructcount + 1
        done
        seti $errstructcount = $errstructcount + 1
        seti $logerrcount = $logerrcount + 1
      done
      seti $logpage = $logpage + 1
    done
  endif




previousscript
end