diff options
Diffstat (limited to 'tcl')
| -rw-r--r-- | tcl/mmr_helpers.tcl | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tcl/mmr_helpers.tcl b/tcl/mmr_helpers.tcl index d9b6e63..61c58e7 100644 --- a/tcl/mmr_helpers.tcl +++ b/tcl/mmr_helpers.tcl @@ -70,3 +70,22 @@ proc show_mmr_bitfield { MSB LSB VAL FIELDNAME FIELDVALUES } { } 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 +} |