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import logging
import pprint
from constants import causes, csrs, csrs32
from shared_utils import InstrDict, instr_dict_2_extensions
pp = pprint.PrettyPrinter(indent=2)
logging.basicConfig(level=logging.INFO, format="%(levelname)s:: %(message)s")
def make_chisel(instr_dict: InstrDict, spinal_hdl: bool = False):
chisel_names = ""
cause_names_str = ""
csr_names_str = ""
for i in instr_dict:
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'
if not spinal_hdl:
extensions = instr_dict_2_extensions(instr_dict)
for e in extensions:
if "rv64_" in e:
e_format = e.replace("rv64_", "").upper() + "64"
elif "rv32_" in e:
e_format = e.replace("rv32_", "").upper() + "32"
elif "rv_" in e:
e_format = e.replace("rv_", "").upper()
else:
e_format = e.upper()
chisel_names += f' val {e_format+"Type"} = Map(\n'
for instr_name, instr in instr_dict.items():
if instr["extension"][0] == e:
tmp_instr_name = '"' + instr_name.upper().replace(".", "_") + '"'
chisel_names += f' {tmp_instr_name:<18s} -> BitPat("b{instr["encoding"].replace("-","?")}"),\n'
chisel_names += " )\n"
for num, name in causes:
cause_names_str += f' val {name.lower().replace(" ","_")} = {hex(num)}\n'
cause_names_str += """ val all = {
val res = collection.mutable.ArrayBuffer[Int]()
"""
for num, name in causes:
cause_names_str += f' res += {name.lower().replace(" ","_")}\n'
cause_names_str += """ res.toArray
}"""
for num, name in csrs + csrs32:
csr_names_str += f" val {name} = {hex(num)}\n"
csr_names_str += """ val all = {
val res = collection.mutable.ArrayBuffer[Int]()
"""
for num, name in csrs:
csr_names_str += f""" res += {name}\n"""
csr_names_str += """ res.toArray
}
val all32 = {
val res = collection.mutable.ArrayBuffer(all:_*)
"""
for num, name in csrs32:
csr_names_str += f""" res += {name}\n"""
csr_names_str += """ res.toArray
}"""
with open(
"inst.spinalhdl" if spinal_hdl else "inst.chisel", "w", encoding="utf-8"
) as chisel_file:
chisel_file.write(
f"""
/* Automatically generated by parse_opcodes */
object Instructions {{
{chisel_names}
}}
object Causes {{
{cause_names_str}
}}
object CSRs {{
{csr_names_str}
}}
"""
)
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