qemu/target/hexagon/gen_tcg_func_table.py

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#!/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
def main():
hex_common.read_semantics_file(sys.argv[1])
hex_common.read_attribs_file(sys.argv[2])
hex_common.calculate_attribs()
tagregs = hex_common.get_tagregs()
tagimms = hex_common.get_tagimms()
with open(sys.argv[3], "w") as f:
f.write("#ifndef HEXAGON_FUNC_TABLE_H\n")
f.write("#define HEXAGON_FUNC_TABLE_H\n\n")
f.write("const SemanticInsn opcode_genptr[XX_LAST_OPCODE] = {\n")
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
f.write(f" [{tag}] = generate_{tag},\n")
f.write("};\n\n")
f.write("#endif /* HEXAGON_FUNC_TABLE_H */\n")
if __name__ == "__main__":
main()