riscv-opcodes/sverilog_utils.py

30 lines
1003 B
Python

import re
import glob
import os
import pprint
import logging
import collections
import yaml
import sys
# from shared_utils import overlaps, overlap_allowed, extension_overlap_allowed, instruction_overlap_allowed, process_enc_line, same_base_isa, add_segmented_vls_insn, expand_nf_field
from shared_utils import *
pp = pprint.PrettyPrinter(indent=2)
logging.basicConfig(level=logging.INFO, format='%(levelname)s:: %(message)s')
def make_sverilog(instr_dict):
names_str = ''
for i in instr_dict:
names_str += f" localparam [31:0] {i.upper().replace('.','_'):<18s} = 32'b{instr_dict[i]['encoding'].replace('-','?')};\n"
names_str += ' /* CSR Addresses */\n'
for num, name in csrs+csrs32:
names_str += f" localparam logic [11:0] CSR_{name.upper()} = 12'h{hex(num)[2:]};\n"
sverilog_file = open('inst.sverilog','w')
sverilog_file.write(f'''
/* Automatically generated by parse_opcodes */
package riscv_instr;
{names_str}
endpackage
''')
sverilog_file.close()