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commit 70338509ca52a9b78c52a5d464ba2605fbaf193b
Author: Erhan Kurubas <erh...@es...>
Date: Sat Jun 4 00:25:19 2022 +0200
tcl: add get_bit & get_bitfield memory helper functions
Signed-off-by: Erhan Kurubas <erh...@es...>
Change-Id: I21506526e3ebd9c3a70a25ba60bf83aee431feb6
Reviewed-on: https://review.openocd.org/c/openocd/+/7016
Tested-by: jenkins
Reviewed-by: Antonio Borneo <bor...@gm...>
diff --git a/tcl/mmr_helpers.tcl b/tcl/mmr_helpers.tcl
index d9b6e6383..61c58e7ca 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
+}
-----------------------------------------------------------------------
Summary of changes:
tcl/mmr_helpers.tcl | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
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