From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Tue, 2 Aug 2022 11:16:26 +0000 (+0300)
Subject: power_enums: better repr for Function enum
X-Git-Tag: sv_maxu_works-initial~154
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e31ae9cb6ecafca9a512ed15e0dd6b4577facaad;p=openpower-isa.git

power_enums: better repr for Function enum
---

diff --git a/src/openpower/decoder/power_enums.py b/src/openpower/decoder/power_enums.py
index 0cd4aab0..e414178c 100644
--- a/src/openpower/decoder/power_enums.py
+++ b/src/openpower/decoder/power_enums.py
@@ -22,6 +22,7 @@ import csv
 import os
 from os.path import dirname, join
 from collections import namedtuple
+import functools
 
 
 def find_wiki_dir():
@@ -109,6 +110,20 @@ class Function(Enum):
     VL = 1 << 13  # setvl
     FPU = 1 << 14  # FPU
 
+    @functools.lru_cache(maxsize=None)
+    def __repr__(self):
+        counter = 0
+        value = int(self.value)
+        if value != 0:
+            while value != 0:
+                counter += 1
+                value >>= 1
+            counter -= 1
+            desc = f"(1 << {counter})"
+        else:
+            desc = "0"
+        return f"<{self.__class__.__name__}.{self.name}: {desc}>"
+
 
 @unique
 class Form(Enum):