From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 9 Sep 2022 15:25:31 +0000 (+0100)
Subject: add seek/tell on load in pysvp64dis so that generator can be reused
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=99e01e99414d0e7c1c1a60dcc174a88001726fa9;p=openpower-isa.git

add seek/tell on load in pysvp64dis so that generator can be reused
---

diff --git a/src/openpower/sv/trans/pysvp64dis.py b/src/openpower/sv/trans/pysvp64dis.py
index 38b4017d..135d9c0c 100644
--- a/src/openpower/sv/trans/pysvp64dis.py
+++ b/src/openpower/sv/trans/pysvp64dis.py
@@ -24,6 +24,7 @@ class ByteOrder(_enum.Enum):
 
 def load(ifile, byteorder=ByteOrder.LITTLE, **_):
     byteorder = str(byteorder)
+    curpos = ifile.tell() # get file position
 
     while True:
         insn = ifile.read(4)
@@ -49,6 +50,8 @@ def load(ifile, byteorder=ByteOrder.LITTLE, **_):
                 insn = _PrefixedInstruction.pair(prefix=prefix, suffix=suffix)
         yield insn
 
+    ifile.seek(curpos) # restore position so that generator can be reused
+
 
 def dump(insns, verbose, short=False, **_):
     db = _Database(_find_wiki_dir())