cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

gen_tcg_func_table.py (1971B)

      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
     20import sys
     21import re
     22import string
     23import hex_common
     24
     25def 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
     57if __name__ == "__main__":
     58    main()