93 lines
2.1 KiB
Tcl
93 lines
2.1 KiB
Tcl
# SPDX-License-Identifier: GPL-2.0-or-later
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proc proc_exists { NAME } {
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set n [info commands $NAME]
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set l [string length $n]
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return [expr {$l != 0}]
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}
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# Give: REGISTER name - must be a global variable.
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proc show_mmr32_reg { NAME } {
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global $NAME
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# we want $($NAME)
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set a [set [set NAME]]
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if ![catch { set v [memread32 $a] } msg ] {
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echo [format "%15s: (0x%08x): 0x%08x" $NAME $a $v]
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# Was a helper defined?
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set fn show_${NAME}_helper
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if [ proc_exists $fn ] {
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# Then call it
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$fn $NAME $a $v
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}
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return $v;
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} else {
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error [format "%s (%s)" $msg $NAME ]
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}
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}
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# Give: NAMES - an array of names accessible
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# in the callers symbol-scope.
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# VAL - the bits to display.
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proc show_mmr32_bits { NAMES VAL } {
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upvar $NAMES MYNAMES
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set w 5
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foreach {IDX N} $MYNAMES {
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set l [string length $N]
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if { $l > $w } { set w $l }
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}
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for { set x 24 } { $x >= 0 } { incr x -8 } {
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echo -n " "
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for { set y 7 } { $y >= 0 } { incr y -1 } {
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set s $MYNAMES([expr {$x + $y}])
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echo -n [format "%2d: %-*s | " [expr {$x + $y}] $w $s ]
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}
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echo ""
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echo -n " "
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for { set y 7 } { $y >= 0 } { incr y -1 } {
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echo -n [format " %d%*s | " [expr {!!($VAL & (1 << ($x + $y)))}] [expr {$w -1}] ""]
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}
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echo ""
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}
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}
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proc show_mmr_bitfield { MSB LSB VAL FIELDNAME FIELDVALUES } {
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set width [expr {(($MSB - $LSB + 1) + 7) / 4}]
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set nval [show_normalize_bitfield $VAL $MSB $LSB ]
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set name0 [lindex $FIELDVALUES 0 ]
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if [ string compare $name0 _NUMBER_ ] {
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set sval [lindex $FIELDVALUES $nval]
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} else {
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set sval ""
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}
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echo [format "%-15s: %d (0x%0*x) %s" $FIELDNAME $nval $width $nval $sval ]
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}
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# Give: ADDR - address of the register.
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# BIT - bit's number.
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proc get_mmr_bit { ADDR BIT } {
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set val [memread32 $ADDR]
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set bit_val [expr {$val & [expr {1 << $BIT}]}]
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return $bit_val
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}
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# Give: ADDR - address of the register.
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# MSB - MSB bit's number.
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# LSB - LSB bit's number.
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proc get_mmr_bitfield { ADDR MSB LSB } {
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set rval [memread32 $ADDR]
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return normalize_bitfield $rval $MSB $LSB
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}
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