cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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gen_shortcode.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 gen_shortcode(f, tag):
     26    f.write('DEF_SHORTCODE(%s, %s)\n' % (tag, hex_common.semdict[tag]))
     27
     28def main():
     29    hex_common.read_semantics_file(sys.argv[1])
     30    hex_common.read_attribs_file(sys.argv[2])
     31    hex_common.calculate_attribs()
     32    tagregs = hex_common.get_tagregs()
     33    tagimms = hex_common.get_tagimms()
     34
     35    with open(sys.argv[3], 'w') as f:
     36        f.write("#ifndef DEF_SHORTCODE\n")
     37        f.write("#define DEF_SHORTCODE(TAG,SHORTCODE)    /* Nothing */\n")
     38        f.write("#endif\n")
     39
     40        for tag in hex_common.tags:
     41            ## Skip the priv instructions
     42            if ( "A_PRIV" in hex_common.attribdict[tag] ) :
     43                continue
     44            ## Skip the guest instructions
     45            if ( "A_GUEST" in hex_common.attribdict[tag] ) :
     46                continue
     47            ## Skip the diag instructions
     48            if ( tag == "Y6_diag" ) :
     49                continue
     50            if ( tag == "Y6_diag0" ) :
     51                continue
     52            if ( tag == "Y6_diag1" ) :
     53                continue
     54
     55            gen_shortcode(f, tag)
     56
     57        f.write("#undef DEF_SHORTCODE\n")
     58
     59if __name__ == "__main__":
     60    main()