minitest: add utility script to get unknown bits

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

minitests/get_unknown_bits_count.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Copyright (C) 2017-2020  The Project X-Ray Authors.
+#
+# Use of this source code is governed by a ISC-style
+# license that can be found in the LICENSE file or at
+# https://opensource.org/licenses/ISC
+#
+# SPDX-License-Identifier: ISC
+
+function display_help() {
+    echo "This is a utility script that helps displaying the total"
+    echo "amount of unknown bits in the various minitest."
+    echo ""
+    echo "The minitest must contain a Makefile which flow ends in the"
+    echo "generation of a FASM file."
+    echo ""
+    echo "Arguments:"
+    echo " -m|--minitests: list of minitest directories from which the FASM files are"
+    echo "                 generated and parsed to get the total amount of missing"
+}
+
+MINITEST_DIRS=()
+
+MINITEST=0
+
+for arg in $@; do
+    case "$arg" in
+        -m|--minitests)
+            MINITEST=1
+            ;;
+        *)
+        if [ $MINITEST -eq 1 ]; then
+            MINITEST_DIRS+=($arg)
+        else
+            display_help
+            exit 1
+        fi
+        ;;
+    esac
+done
+
+if [ $# -eq 0  ]; then
+    display_help
+    exit 1
+fi
+
+for MINITEST in ${MINITEST_DIRS[*]}
+do
+    echo "-----------------------------"
+    echo "$MINITEST"
+    echo "-----------------------------"
+    make -q -C $MINITEST all
+    FASM_FILE=`find $MINITEST -name "*.fasm"`
+    MISSING_BITS=`grep "unknown_bit" $FASM_FILE | wc -l`
+    MISSING_FRAMES=`grep "In frame" $FASM_FILE | wc -l`
+
+    echo "Total of unknown bits: $MISSING_BITS"
+    echo "Total of unknown frames: $MISSING_FRAMES"
+    echo ""
+done