import argparse as _argparse
import enum as _enum
import sys as _sys
+import os
from openpower.decoder.power_enums import (
find_wiki_dir as _find_wiki_dir,
)
from openpower.decoder.power_insn import (
+ Verbosity as _Verbosity,
Database as _Database,
WordInstruction as _WordInstruction,
PrefixedInstruction as _PrefixedInstruction,
return self.name.lower()
-def load(ifile, byteorder, **_):
+def load(ifile, byteorder=ByteOrder.LITTLE, **_):
byteorder = str(byteorder)
+ curpos = ifile.tell() # get file position
while True:
- prefix = ifile.read(4)
- length = len(prefix)
+ insn = ifile.read(4)
+ length = len(insn)
if length == 0:
return
elif length < 4:
- raise IOError(prefix)
- prefix = _WordInstruction.integer(value=prefix, byteorder=byteorder)
-
- suffix = ifile.read(4)
- length = len(suffix)
- if length == 0:
- yield prefix
- elif length < 4:
- raise IOError(suffix)
- suffix = _WordInstruction.integer(value=suffix, byteorder=byteorder)
-
- if prefix.po == 0x1:
+ raise IOError(insn)
+ insn = _WordInstruction.integer(value=insn, byteorder=byteorder)
+ if insn.po == 0x1:
+ suffix = ifile.read(4)
+ length = len(suffix)
+ if length == 0:
+ yield insn
+ return
+ elif length < 4:
+ raise IOError(suffix)
+
+ prefix = insn
+ suffix = _WordInstruction.integer(value=suffix, byteorder=byteorder)
insn = _SVP64Instruction.pair(prefix=prefix, suffix=suffix)
if insn.prefix.id != 0b11:
insn = _PrefixedInstruction.pair(prefix=prefix, suffix=suffix)
- yield insn
- else:
- yield prefix
- yield suffix
+ yield insn
+
+ ifile.seek(curpos) # restore position so that generator can be reused
-def dump(insns, **_):
+def dump(insns, verbosity, **_):
db = _Database(_find_wiki_dir())
for insn in insns:
- yield from insn.disassemble(db=db)
+ yield from insn.disassemble(db=db, verbosity=verbosity)
+# this is the entry-point for the console-script pysvp64dis
def main():
parser = _argparse.ArgumentParser()
parser.add_argument("ifile", nargs="?",
type=_argparse.FileType("w"), default=_sys.stdout)
parser.add_argument("-b", "--byteorder",
type=ByteOrder, default=ByteOrder.LITTLE)
+ parser.add_argument("-s", "--short",
+ dest="verbosity", default=_Verbosity.NORMAL,
+ action="store_const", const=_Verbosity.SHORT)
+ parser.add_argument("-v", "--verbose",
+ dest="verbosity", default=_Verbosity.NORMAL,
+ action="store_const", const=_Verbosity.VERBOSE)
+ parser.add_argument("-l", "--log",
+ action="store_true", default=False)
args = dict(vars(parser.parse_args()))
- ifile = args["ifile"]
- ofile = args["ofile"]
- byteorder = args["byteorder"]
- insns = load(ifile, byteorder)
- for line in dump(insns):
- print(line, file=ofile)
+ # if logging requested do not disable it.
+ if not args['log']:
+ os.environ['SILENCELOG'] = '1'
+
+ # load instructions and dump them
+ insns = load(**args)
+ for line in dump(insns, **args):
+ print(line, file=args["ofile"])
+# still here but use "python3 setup.py develop" then run the
+# command "pysvp64dis" instead of "python3 src/openpower/sv/trans/pysvp64dis.py"
if __name__ == "__main__":
main()