riscv-openocd/tcl/mmr_helpers.tcl

73 lines
1.6 KiB
Tcl

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 ] {
echo [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 accessible
# 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 } {
echo -n " "
for { set y 7 } { $y >= 0 } { incr y -1 } {
set s $MYNAMES([expr {$x + $y}])
echo -n [format "%2d: %-*s | " [expr {$x + $y}] $w $s ]
}
echo ""
echo -n " "
for { set y 7 } { $y >= 0 } { incr y -1 } {
echo -n [format " %d%*s | " [expr !!($VAL & (1 << ($x + $y)))] [expr {$w -1}] ""]
}
echo ""
}
}
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 ""
}
echo [format "%-15s: %d (0x%0*x) %s" $FIELDNAME $nval $width $nval $sval ]
}