tcl/mmr_helpers.tcl

   1
   2 proc proc_exists { NAME } {
   3     set n [info commands $NAME]
   4     set l [string length $n]
   5     return [expr $l != 0]
   6 }
   7
   8 # Give: REGISTER name - must be a global variable.
   9 proc show_mmr32_reg { NAME } {
  10
  11     global $NAME
  12     # we want $($NAME)
  13     set a [set [set NAME]]
  14
  15     if ![catch { set v [memread32 $a] } msg ] {
  16         echo [format "%15s: (0x%08x): 0x%08x" $NAME $a $v]
  17
  18         # Was a helper defined?
  19         set fn show_${NAME}_helper
  20         if [ proc_exists $fn ] {
  21             # Then call it
  22             $fn $NAME $a $v
  23         }
  24         return $v;
  25     } else {
  26         error [format "%s (%s)" $msg $NAME ]
  27     }
  28 }
  29
  30
  31 # Give: NAMES - an array of names accessable
  32 #               in the callers symbol-scope.
  33 #       VAL - the bits to display.
  34
  35 proc show_mmr32_bits { NAMES VAL } {
  36
  37     upvar $NAMES MYNAMES
  38
  39     set w 5
  40     foreach {IDX N} $MYNAMES {
  41         set l [string length $N]
  42         if { $l > $w } { set w $l }
  43     }
  44
  45     for { set x 24 } { $x >= 0 } { incr x -8 } {
  46         echo -n "  "
  47         for { set y 7 } { $y >= 0 } { incr y -1 } {
  48             set s $MYNAMES([expr $x + $y])
  49             echo -n [format "%2d: %-*s | " [expr $x + $y] $w $s ]
  50         }
  51         echo ""
  52
  53         echo -n "  "
  54         for { set y 7 } { $y >= 0 } { incr y -1 } {
  55             echo -n [format "    %d%*s | " [expr !!($VAL & (1 << ($x + $y)))] [expr $w -1] ""]
  56         }
  57         echo ""
  58     }
  59 }
  60
  61
  62 proc show_mmr_bitfield { MSB LSB VAL FIELDNAME FIELDVALUES } {
  63     set width [expr (($MSB - $LSB + 1) + 7) / 4]
  64     set nval [show_normalize_bitfield $VAL $MSB $LSB ]
  65     set name0 [lindex $FIELDVALUES 0 ]
  66     if [ string compare $name0 _NUMBER_ ] {
  67         set sval [lindex $FIELDVALUES $nval]
  68     } else {
  69         set sval ""
  70     }
  71     echo [format "%-15s: %d (0x%0*x) %s" $FIELDNAME $nval $width $nval $sval ]
  72 }