target/hexagon/gen_tcg_func_table.py

   1 #!/usr/bin/env python3
   2
   3 ##
   4 ##  Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
   5 ##
   6 ##  This program is free software; you can redistribute it and/or modify
   7 ##  it under the terms of the GNU General Public License as published by
   8 ##  the Free Software Foundation; either version 2 of the License, or
   9 ##  (at your option) any later version.
  10 ##
  11 ##  This program is distributed in the hope that it will be useful,
  12 ##  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ##  GNU General Public License for more details.
  15 ##
  16 ##  You should have received a copy of the GNU General Public License
  17 ##  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 ##
  19
  20 import sys
  21 import re
  22 import string
  23 import hex_common
  24
  25 def main():
  26     hex_common.read_semantics_file(sys.argv[1])
  27     hex_common.read_attribs_file(sys.argv[2])
  28     hex_common.calculate_attribs()
  29     tagregs = hex_common.get_tagregs()
  30     tagimms = hex_common.get_tagimms()
  31
  32     with open(sys.argv[3], 'w') as f:
  33         f.write("#ifndef HEXAGON_FUNC_TABLE_H\n")
  34         f.write("#define HEXAGON_FUNC_TABLE_H\n\n")
  35
  36         f.write("const SemanticInsn opcode_genptr[XX_LAST_OPCODE] = {\n")
  37         for tag in hex_common.tags:
  38             ## Skip the priv instructions
  39             if ( "A_PRIV" in hex_common.attribdict[tag] ) :
  40                 continue
  41             ## Skip the guest instructions
  42             if ( "A_GUEST" in hex_common.attribdict[tag] ) :
  43                 continue
  44             ## Skip the diag instructions
  45             if ( tag == "Y6_diag" ) :
  46                 continue
  47             if ( tag == "Y6_diag0" ) :
  48                 continue
  49             if ( tag == "Y6_diag1" ) :
  50                 continue
  51
  52             f.write("    [%s] = generate_%s,\n" % (tag, tag))
  53         f.write("};\n\n")
  54
  55         f.write("#endif    /* HEXAGON_FUNC_TABLE_H */\n")
  56
  57 if __name__ == "__main__":
  58     main()