Move TCL script files -- Step 2 of 2:

[fw/openocd] / tcl / mmr_helpers.tcl

diff --git a/tcl/mmr_helpers.tcl b/tcl/mmr_helpers.tcl
new file mode 100644 (file)
index 0000000..ea2210a
--- /dev/null
+++ b/tcl/mmr_helpers.tcl
@@ -0,0 +1,72 @@
+
+proc proc_exists { NAME } {
+    set n [info commands $NAME]
+    set l [string length $n]
+    return [expr $l != 0]
+}
+
+# Give: REGISTER name - must be a global variable.
+proc show_mmr32_reg { NAME } {
+    
+    global $NAME
+    # we want $($NAME)
+    set a [set [set NAME]]
+
+    if ![catch { set v [memread32 $a] } msg ] {
+       puts [format "%15s: (0x%08x): 0x%08x" $NAME $a $v]
+
+       # Was a helper defined?
+       set fn show_${NAME}_helper
+       if [ proc_exists $fn ] {
+           # Then call it
+           $fn $NAME $a $v
+       }
+       return $v;
+    } else {
+       error [format "%s (%s)" $msg $NAME ]
+    }
+}
+
+
+# Give: NAMES - an array of names accessable
+#               in the callers symbol-scope.
+#       VAL - the bits to display.
+
+proc show_mmr32_bits { NAMES VAL } {
+
+    upvar $NAMES MYNAMES
+
+    set w 5
+    foreach {IDX N} $MYNAMES {
+       set l [string length $N]
+       if { $l > $w } { set w $l }
+    }
+    
+    for { set x 24 } { $x >= 0 } { incr x -8 } {
+       puts -nonewline "  "
+       for { set y 7 } { $y >= 0 } { incr y -1 } {
+           set s $MYNAMES([expr $x + $y])
+           puts -nonewline [format "%2d: %-*s | " [expr $x + $y] $w $s ]
+       }
+       puts ""
+
+       puts -nonewline "  "
+       for { set y 7 } { $y >= 0 } { incr y -1 } {
+           puts -nonewline [format "    %d%*s | " [expr !!($VAL & (1 << ($x + $y)))] [expr $w -1] ""]
+       }
+       puts ""
+    }
+}
+
+
+proc show_mmr_bitfield { MSB LSB VAL FIELDNAME FIELDVALUES } {
+    set width [expr (($MSB - $LSB + 1) + 7) / 4]
+    set nval [show_normalize_bitfield $VAL $MSB $LSB ]
+    set name0 [lindex $FIELDVALUES 0 ]
+    if [ string compare $name0 _NUMBER_ ] {
+       set sval [lindex $FIELDVALUES $nval]
+    } else {
+       set sval ""
+    }
+    puts [format "%-15s: %d (0x%0*x) %s" $FIELDNAME $nval $width $nval $sval ]
+}