adding support for spinalhdl code generation

.gitignore

@@ -5,9 +5,8 @@ inst.go
 instr-table.tex
 priv-instr-table.tex
 inst.rs
-
+inst.spinalhdl
 inst.sverilog
-
 instr_dict.yaml
 
 __pycache__/

Makefile

@@ -12,7 +12,7 @@ install: everything
 
 .PHONY : everything
 everything:
-	@./parse.py -c -chisel -sverilog -rust -latex $(EXTENSIONS)
+	@./parse.py -c -chisel -sverilog -rust -latex -spinalhdl $(EXTENSIONS)
 
 .PHONY : encoding.out.h
 encoding.out.h:
@@ -47,3 +47,7 @@ instr-table.tex: latex
 
 .PHONY: priv-instr-table.tex
 priv-instr-table.tex: latex
+
+.PHONY: inst.spinalhdl
+inst.spinalhdl:
+	@./parse.py -spinalhdl $(EXTENSIONS)

README.md

@@ -124,6 +124,7 @@ The following artifacts can be generated using parse.py:
 - inst.chisel : chisel code to decode instructions
 - inst.sverilog : system verilog code to decode instructions
 - inst.rs : rust code containing mask and match variables for all instructions
+- inst.spinalhdl : spinalhdl code to decode instructions
 
 Make sure you install the required python pre-requisites are installed by executing the following
 command:

parse.py

@@ -706,13 +706,16 @@ def make_ext_latex_table(type_list, dataset, latex_file, ilen, caption):
     latex_file.write(header+content+endtable)
 
 
-def make_chisel(instr_dict):
+def make_chisel(instr_dict, spinal_hdl=False):
 
     chisel_names=''
     cause_names_str=''
     csr_names_str = ''
     for i in instr_dict:
-        chisel_names += f'  def {i.upper().replace(".","_"):<18s} = BitPat("b{instr_dict[i]["encoding"].replace("-","?")}")\n'
+        if spinal_hdl:
+            chisel_names += f'  def {i.upper().replace(".","_"):<18s} = M"b{instr_dict[i]["encoding"].replace("-","-")}"\n'
+        else:
+            chisel_names += f'  def {i.upper().replace(".","_"):<18s} = BitPat("b{instr_dict[i]["encoding"].replace("-","?")}")\n'
     for num, name in causes:
         cause_names_str += f'  val {name.lower().replace(" ","_")} = {hex(num)}\n'
     cause_names_str += '''  val all = {
@@ -740,7 +743,10 @@ def make_chisel(instr_dict):
     csr_names_str += '''    res.toArray
   }'''
 
-    chisel_file = open('inst.chisel','w')
+    if spinal_hdl:
+        chisel_file = open('inst.spinalhdl','w')
+    else:
+        chisel_file = open('inst.chisel','w')
     chisel_file.write(f'''
 /* Automatically generated by parse_opcodes */
 object Instructions {{
@@ -857,6 +863,10 @@ def make_c(instr_dict):
     if '-chisel' in sys.argv[1:]:
         make_chisel(instr_dict)
         logging.info('inst.chisel generated successfully')
+
+    if '-spinalhdl' in sys.argv[1:]:
+        make_chisel(instr_dict, True)
+        logging.info('inst.spinalhdl generated successfully')
 
     if '-sverilog' in sys.argv[1:]:
         make_sverilog(instr_dict)