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Add CSR encodings for Go and remove call to Go fmt #329

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merged 2 commits into from
Jan 9, 2025
Merged

Add CSR encodings for Go and remove call to Go fmt #329

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9592b64
Don't run go fmt error in go_utils.py
markdryan Dec 18, 2024
069b22e
Add CSR support to go_utils.py
markdryan Nov 21, 2024
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17 changes: 10 additions & 7 deletions go_utils.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
import logging
import pprint
import subprocess
import sys

from constants import csrs
from shared_utils import InstrDict, signed

pp = pprint.PrettyPrinter(indent=2)
Expand Down Expand Up @@ -32,9 +32,14 @@ def make_go(instr_dict: InstrDict):
switch a {
"""

endoffile = """ }
csrs_map_str = """ }
return nil
}

var csrs = map[uint16]string {
"""

endoffile = """}
"""

instr_str = ""
Expand All @@ -49,13 +54,11 @@ def make_go(instr_dict: InstrDict):
instr_str += f""" case A{i.upper().replace("_","")}:
return &inst{{ {hex(opcode)}, {hex(funct3)}, {hex(rs1)}, {hex(rs2)}, {signed(csr,12)}, {hex(funct7)} }}
"""
for num, name in sorted(csrs, key=lambda row: row[0]):
csrs_map_str += f'{hex(num)} : "{name.upper()}",\n'

with open("inst.go", "w", encoding="utf-8") as file:
file.write(prelude)
file.write(instr_str)
file.write(csrs_map_str)
file.write(endoffile)

try:
subprocess.run(["go", "fmt", "inst.go"], check=True)
except: # pylint: disable=bare-except
pass
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