adding support for top-module parameter replacement during synthesis tests

hw/scripts/gen_sources.sh

@@ -18,45 +18,56 @@ includes=()
 externs=()
 
 output_file=""
-global_file=""
+define_header=""
+top_module=""
 copy_folder=""
 prepropressor=0
 
 defines_str=""
+params_str=""
 includes_str=""
 
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
 # parse command arguments
-while getopts D:I:J:O:G:C:Ph flag
+while getopts D:G:T:I:J:O:H:C:Ph flag
 do
   case "${flag}" in
     D)  defines+=( ${OPTARG} )
         defines_str+="-D${OPTARG} "
         ;;
+    G)  params_str+="-G${OPTARG} "
+        ;;
+    T)  top_module=( ${OPTARG} )
+        ;;
     I)  includes+=( ${OPTARG} )
         includes_str+="-I${OPTARG} "
         ;;
     J)  externs+=( ${OPTARG} )
         includes_str+="-I${OPTARG} "
         ;;
-    O)  output_file=( ${OPTARG} );;
-    G)  global_file=( ${OPTARG} );;
-    C)  copy_folder=( ${OPTARG} );;
-    P)  prepropressor=1;;
-    h)  echo "Usage: [-D<macro>] [-I<include-path>] [-J<external-path>] [-O<output-file>] [-C<dest-folder>: copy to] [-G<global_header>] [-P: macro prepropressing] [-h help]"
+    O)  output_file=( ${OPTARG} )
+        ;;
+    H)  define_header=( ${OPTARG} )
+        ;;
+    C)  copy_folder=( ${OPTARG} )
+        ;;
+    P)  prepropressor=1
+        ;;
+    h)  echo "Usage: [-D<macro>] [-G<param>=<value>] [-T<top-module>] [-I<include-path>] [-J<external-path>] [-O<output-file>] [-C<dest-folder>: copy to] [-H<define_header>] [-P: macro prepropressing] [-h help]"
         exit 0
-    ;;
-  \?)
-    echo "Invalid option: -$OPTARG" 1>&2
-    exit 1
-    ;;
+        ;;
+    \?) echo "Invalid option: -$OPTARG" 1>&2
+        exit 1
+        ;;
   esac
 done
 
-if [ "$global_file" != "" ]; then
-    directory=$(dirname "$global_file")
+if [ "$define_header" != "" ]; then
+    directory=$(dirname "$define_header")
     mkdir -p "$directory"
     {
-        # dump defines into a global header
+        # dump defines into a header file
         for value in ${defines[@]}; do
             arrNV=(${value//=/ })
             if (( ${#arrNV[@]} > 1 ));
@@ -66,7 +77,7 @@ if [ "$global_file" != "" ]; then
                 echo "\`define $value"
             fi        
         done
-    } > $global_file
+    } > $define_header
 fi
 
 if [ "$copy_folder" != "" ]; then
@@ -74,9 +85,16 @@ if [ "$copy_folder" != "" ]; then
     mkdir -p $copy_folder
     for dir in ${includes[@]}; do
         find "$dir" -maxdepth 1 -type f | while read -r file; do
-            ext="${file##*.}"
-            if [ $prepropressor != 0 ] && { [ "$ext" == "v" ] || [ "$ext" == "sv" ]; }; then
-                verilator $defines_str $includes_str -E -P $file > $copy_folder/$(basename -- $file)
+            file_ext="${file##*.}"
+            file_name=$(basename -- $file)
+            if [ $prepropressor != 0 ] && { [ "$file_ext" == "v" ] || [ "$file_ext" == "sv" ]; }; then
+                if [[ -n "$params_str" && $file_name == "$top_module."* ]]; then
+                    temp_file=$(mktemp)
+                    $script_dir/repl_params.py $params_str -T$top_module $file > $temp_file
+                    verilator $defines_str $includes_str -E -P $temp_file > $copy_folder/$file_name
+                else
+                    verilator $defines_str $includes_str -E -P $file > $copy_folder/$file_name
+                fi                
             else
                 cp $file $copy_folder
             fi
@@ -86,7 +104,7 @@ fi
 
 if [ "$output_file" != "" ]; then
     {
-        if [ "$global_file" == "" ]; then
+        if [ "$define_header" == "" ]; then
             # dump defines
             for value in ${defines[@]}; do
                 echo "+define+$value"

hw/scripts/repl_params.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+
+# Copyright © 2019-2023
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import re
+import sys
+
+def read_file_contents(filename):
+    with open(filename, 'r') as file:
+        return file.read()
+
+def write_to_console(output):
+    print(output, end='')
+
+def check_module_and_parameter_existence(file_content, top_module, params):
+    # Check if the module exists
+    module_exists_pattern = re.compile(rf'\bmodule\s+{top_module}\b', re.DOTALL)
+    if not re.search(module_exists_pattern, file_content):
+        print(f"Error: Top module '{top_module}' not found in file '{filename}'.")
+        sys.exit(1)
+
+    # Check if parameters exist
+    for param in params.keys():
+        param_exists_pattern = re.compile(rf'\bparameter\s+((?:\[\s*\d*\s*:\s*\d*\s*\]\s*)?(\w+\s+)?){param}\s*(\[\s*\])?\s*=', re.DOTALL)    
+        if not re.search(param_exists_pattern, file_content):
+            print(f"Error: Parameter '{param}' not found in module '{top_module}'.")
+            sys.exit(1)
+
+def replace_parameter(file_content, top_module, param, value):
+    # Define a pattern to locate the specified top module's parameter section
+    module_header_pattern = re.compile(rf'(module\s+{top_module}\s*.*?\(\s*)(.*?)(\)\s*;)', re.DOTALL)
+    param_declaration_pattern = re.compile(rf'(\bparameter\b\s+(?:\w+\s+)?{param}\s*=\s*)([^,;]+)', re.DOTALL)
+
+    def parameter_replacer(match):
+        before_params, params_section, after_params = match.groups()
+        # Check if the specific parameter is found within the parameter section
+        if re.search(param_declaration_pattern, params_section):
+            # Replace the parameter value, avoiding f-string for backreference
+            new_params_section = re.sub(param_declaration_pattern, lambda m: m.group(1) + value, params_section)
+            return f'{before_params}{new_params_section}{after_params}'
+        else:
+            return match.group(0)  # Return original content if parameter not found
+
+    # Apply the replacement within the specified top module
+    modified_content, num_replacements = re.subn(module_header_pattern, parameter_replacer, file_content)
+
+    if num_replacements == 0:
+        print(f"Warning: Top module '{top_module}' or parameter '{param}' not found. No replacement made.")
+
+    return modified_content
+
+def main():
+    args = sys.argv[1:]
+    filename = ''
+    top_module = ''
+    params = {}
+
+    for i, arg in enumerate(args):
+        if arg.startswith('-G'):
+            param, value = arg[2:].split('=')
+            params[param] = value
+        elif arg.startswith('-T'):
+            top_module = arg[2:]
+        else:
+            filename = arg
+
+    if not top_module:
+        print("Error: Top module not specified.")
+        sys.exit(1)
+
+    if not filename:
+        print("Error: Verilog file name not specified.")
+        sys.exit(1)
+
+    file_content = read_file_contents(filename)
+
+    check_module_and_parameter_existence(file_content, top_module, params)
+
+    for param, value in params.items():
+        file_content = replace_parameter(file_content, top_module, param, value)
+
+    write_to_console(file_content)
+
+if __name__ == "__main__":
+    main()

hw/syn/altera/quartus/common.mk

@@ -34,7 +34,7 @@ all: gen-sources $(PROJECT).sta.rpt $(PROJECT).pow.rpt
 gen-sources: src
 src:
 	mkdir -p src
-	$(SCRIPT_DIR)/gen_sources.sh $(CONFIGS) $(RTL_INCLUDE) -P -Csrc
+	$(SCRIPT_DIR)/gen_sources.sh $(CONFIGS) $(RTL_INCLUDE) -T$(TOP_LEVEL_ENTITY) -P -Csrc
 
 syn: $(PROJECT).syn.rpt