qemu/target/hexagon/gen_helper_protos.py
Taylor Simpson c568919f98 Hexagon (target/hexagon) Make generators object oriented - gen_helper_protos
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-4-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
2024-01-21 22:02:05 -08:00

95 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
##
## Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, see <http://www.gnu.org/licenses/>.
##
import sys
import re
import string
import hex_common
##
## Generate the DEF_HELPER prototype for an instruction
## For A2_add: Rd32=add(Rs32,Rt32)
## We produce:
## DEF_HELPER_3(A2_add, s32, env, s32, s32)
##
def gen_helper_prototype(f, tag, tagregs, tagimms):
regs = tagregs[tag]
imms = tagimms[tag]
declared = []
ret_type = hex_common.helper_ret_type(tag, regs).proto_arg
declared.append(ret_type)
for arg in hex_common.helper_args(tag, regs, imms):
declared.append(arg.proto_arg)
arguments = ", ".join(declared)
f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n")
def main():
hex_common.read_semantics_file(sys.argv[1])
hex_common.read_attribs_file(sys.argv[2])
hex_common.read_overrides_file(sys.argv[3])
hex_common.read_overrides_file(sys.argv[4])
## Whether or not idef-parser is enabled is
## determined by the number of arguments to
## this script:
##
## 5 args. -> not enabled,
## 6 args. -> idef-parser enabled.
##
## The 6:th arg. then holds a list of the successfully
## parsed instructions.
is_idef_parser_enabled = len(sys.argv) > 6
if is_idef_parser_enabled:
hex_common.read_idef_parser_enabled_file(sys.argv[5])
hex_common.calculate_attribs()
hex_common.init_registers()
tagregs = hex_common.get_tagregs()
tagimms = hex_common.get_tagimms()
output_file = sys.argv[-1]
with open(output_file, "w") as f:
for tag in hex_common.tags:
## Skip the priv instructions
if "A_PRIV" in hex_common.attribdict[tag]:
continue
## Skip the guest instructions
if "A_GUEST" in hex_common.attribdict[tag]:
continue
## Skip the diag instructions
if tag == "Y6_diag":
continue
if tag == "Y6_diag0":
continue
if tag == "Y6_diag1":
continue
if hex_common.skip_qemu_helper(tag):
continue
if hex_common.is_idef_parser_enabled(tag):
continue
gen_helper_prototype(f, tag, tagregs, tagimms)
if __name__ == "__main__":
main()