From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Tue, 6 Sep 2022 18:26:53 +0000 (+0300)
Subject: power_fields: allow getting individual field bits
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a4178d8ef60c19fa5f6ef4da5a117c17759c76cf;p=openpower-isa.git

power_fields: allow getting individual field bits
---

diff --git a/src/openpower/decoder/power_fields.py b/src/openpower/decoder/power_fields.py
index 48cd23d4..fe2713d2 100644
--- a/src/openpower/decoder/power_fields.py
+++ b/src/openpower/decoder/power_fields.py
@@ -175,6 +175,13 @@ class Field(Reference, metaclass=FieldMeta):
         for bit in self.__class__:
             yield self.storage[bit]
 
+    def __getitem__(self, key):
+        if isinstance(key, int):
+            bit = self.storage[self.__class__.__members__[key]]
+            return _SelectableInt(value=bit, bits=1)
+
+        return _selectconcat(*(self[bit] for bit in tuple(key)))
+
 
 class ArrayMeta(type):
     def __new__(metacls, clsname, bases, ns, items=()):