[Libre-soc-bugs] [Bug 604] ISACaller simulator needs RADIX MMU support

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=604

--- Comment #7 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
tobias i am just putting in some leaf-node functions which i am taking from
microwatt, like this:

+    def _decode_prte(self, data):
+        """PRTE0 Layout
+           -----------------------------------------------
+           |/|RTS1|/|     RPDB          | RTS2 |  RPDS   |
+           -----------------------------------------------
+            0 1  2 3 4                55 56  58 59      63
+        """
+        zero = SelectableInt(0, 1)
+        rts = selectconcat(data[5:8],      # [56-58] - RTS2
+                           data[61:63],    # [1-2]   - RTS1
+ ....

the idea is to put these functions together with meaningful names
then work out how to join them up.

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