add support for accessing XER using XER.SO syntax -- intended for new pseudocode

diff --git a/src/openpower/decoder/isa/caller.py b/src/openpower/decoder/isa/caller.py
index 0807e47a42e17359dbabf7d871acdfde9fef516f..f23aba9844878a9b1b7ac0cdc1b48260be001517 100644 (file)
--- a/src/openpower/decoder/isa/caller.py
+++ b/src/openpower/decoder/isa/caller.py
@@ -40,6 +40,7 @@ from openpower.decoder.selectable_int import (FieldSelectableInt,
                                               SelectableInt, selectconcat,
                                               EFFECTIVELY_UNLIMITED)
 from openpower.fpscr import FPSCRState
+from openpower.xer import XERState
 from openpower.util import LogKind, log
 
 instruction_info = namedtuple('instruction_info',
@@ -267,7 +268,7 @@ class SPR(dict):
                 info = spr_dict[key]
             else:
                 info = spr_byname[key]
-            dict.__setitem__(self, key, SelectableInt(0, info.length))
+            self[key] = SelectableInt(0, info.length)
             res = dict.__getitem__(self, key)
         log("spr returning", key, res)
         return res
@@ -283,6 +284,8 @@ class SPR(dict):
             self.__setitem__('SRR0', value)
         if key == 'HSRR1':  # HACK!
             self.__setitem__('SRR1', value)
+        if key == 1:
+            value = XERState(value)
         log("setting spr", key, value)
         dict.__setitem__(self, key, value)