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# SPDX-License-Identifier: GPL-2.0-or-later
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 ]
}
# Give: ADDR - address of the register.
# BIT - bit's number.
proc get_mmr_bit { ADDR BIT } {
set val [memread32 $ADDR]
set bit_val [expr {$val & [expr {1 << $BIT}]}]
return $bit_val
}
# Give: ADDR - address of the register.
# MSB - MSB bit's number.
# LSB - LSB bit's number.
proc get_mmr_bitfield { ADDR MSB LSB } {
set rval [memread32 $ADDR]
return normalize_bitfield $rval $MSB $LSB
}
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