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"""
This is a very simple script to test the output given by
`gem5.runtime.get_runtime_isa`
"""

from gem5.runtime import get_runtime_isa
from gem5.isas import ISA, get_isas_str_set, get_isa_from_str

import argparse

parser = argparse.ArgumentParser(
    description="A simple script used to check the output of "
                "`gem5.runtime.get_runtime_isa`"
)

parser.add_argument(
    "-e",
    "--expected-isa",
    type=str,
    choices=get_isas_str_set(),
    required=True,
    help="The expected ISA. If not returned by `get_runtime_isa`, a "
         "non-zero exit code will be returned by the script" ,
)

args = parser.parse_args()
runtime_isa = get_runtime_isa()
expected_isa = get_isa_from_str(args.expected_isa)

if runtime_isa == expected_isa:
    exit(0)

print(f"ISA expected: {args.expected_isa}")
print(f"get_runtime_isa() returned: {runtime_isa.value}")

exit(1)