X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=tcl%2Fmmr_helpers.tcl;h=61c58e7ca3cfcfe381d1b19bf504691cfc9b3052;hb=70338509ca52a9b78c52a5d464ba2605fbaf193b;hp=d9b6e63834678a6c7f791f3cbc67331a2806fcd1;hpb=d1b882f2c014258be5397067e45848fa5465b78b;p=fw%2Fopenocd

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
+}