From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 14 Aug 2020 19:44:35 +0000 (+0100)
Subject: bug in isa parser not recognising MSR as declared variable
X-Git-Tag: semi_working_ecp5~343
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b635fd5c2822f7c54675b5a55df15908a99b1d5a;p=soc.git

bug in isa parser not recognising MSR as declared variable
---

diff --git a/src/soc/decoder/pseudo/parser.py b/src/soc/decoder/pseudo/parser.py
index 3d75fbb0..b2197371 100644
--- a/src/soc/decoder/pseudo/parser.py
+++ b/src/soc/decoder/pseudo/parser.py
@@ -395,7 +395,8 @@ class PowerParser:
                     if name in self.gprs:
                         # add to list of uninitialised
                         self.uninit_regs.add(name)
-                    autoassign = name not in self.declared_vars
+                    autoassign = (name not in self.declared_vars and
+                                  name not in self.special_regs)
             elif isinstance(p[1], ast.Call) and p[1].func.id in ['GPR', 'SPR']:
                 print(astor.dump_tree(p[1]))
                 # replace GPR(x) with GPR[x]