radix: reading first page table entry

[soc.git] / src / soc / decoder / power_fields.py

diff --git a/src/soc/decoder/power_fields.py b/src/soc/decoder/power_fields.py
index 4e7bee0951ed6263265cb010a2935a72c75c18c6..58df625b94e4faa5eaafc4eef78ae3a287a09d5c 100644 (file)
--- a/src/soc/decoder/power_fields.py
+++ b/src/soc/decoder/power_fields.py
@@ -1,5 +1,5 @@
 from collections import OrderedDict, namedtuple
-from soc.decoder.power_enums import download_wiki_file
+from soc.decoder.power_enums import find_wiki_file
 
 
 class BitRange(OrderedDict):
@@ -8,9 +8,9 @@ class BitRange(OrderedDict):
 
     def __getitem__(self, subscript):
         if isinstance(subscript, slice):
-            return list(self)[subscript]
+            return list(self.values())[subscript]
         else:
-            return self[subscript]
+            return OrderedDict.__getitem__(self, subscript)
 
 
 def decode_instructions(form):
@@ -108,18 +108,23 @@ def decode_form(form):
 
 class DecodeFields:
 
-    def __init__(self, bitkls=BitRange, bitargs=(), fname=None, name_on_wiki=None):
+    def __init__(self, bitkls=BitRange, bitargs=(), fname=None,
+                 name_on_wiki=None):
         self.bitkls = bitkls
         self.bitargs = bitargs
         if fname is None:
             assert name_on_wiki is None
             fname = "fields.txt"
             name_on_wiki = "fields.text"
-        self.fname = download_wiki_file(fname, name_on_wiki)
+        self.fname = find_wiki_file(name_on_wiki)
+
+    @property
+    def form_names(self):
+        return self.instrs.keys()
 
     def create_specs(self):
         self.forms, self.instrs = self.decode_fields()
-        self.form_names = forms = self.instrs.keys()
+        forms = self.form_names
         #print ("specs", self.forms, forms)
         for form in forms:
             fields = self.instrs[form]
@@ -146,7 +151,7 @@ class DecodeFields:
             "LK": self.FormI.LK,
             "AA": self.FormB.AA,
             "Rc": self.FormX.Rc,
-            "OE": self.FormXO.Rc,
+            "OE": self.FormXO.OE,
             "BD": self.FormB.BD,
             "BF": self.FormX.BF,
             "CR": self.FormXL.XO,
@@ -216,7 +221,8 @@ class DecodeFields:
                     txt = "%s (%s)" % (f0, s0)
                     individualfields.append(txt)
                 if len(fs) > 1:
-                  res.update(self.decode_instruction_fields(individualfields))
+                    res.update(self.decode_instruction_fields(
+                        individualfields))
             d = self.bitkls(*self.bitargs)
             idx = 0
             for s in ss:
@@ -243,6 +249,6 @@ if __name__ == '__main__':
     dec.create_specs()
     forms, instrs = dec.forms, dec.instrs
     for form, fields in instrs.items():
-        print ("Form", form)
+        print("Form", form)
         for field, bits in fields.items():
-            print ("\tfield", field, bits)
+            print("\tfield", field, bits)