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tcl: add get_bit & get_bitfield memory helper functions 

Signed-off-by: Erhan Kurubas <erhan.kurubas@espressif.com>
Change-Id: I21506526e3ebd9c3a70a25ba60bf83aee431feb6
Reviewed-on: https://review.openocd.org/c/openocd/+/7016
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Erhan Kurubas 2022-06-04 00:25:19 +02:00 committed by Antonio Borneo
parent d1b882f2c0
commit 70338509ca
1 changed files with 19 additions and 0 deletions
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19
tcl/mmr_helpers.tcl
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@ -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
}