From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 1 Mar 2020 20:21:54 +0000 (+0000)
Subject: idea for sub-decoder
X-Git-Tag: div_pipeline~1795
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=beab31e91737b988015d08b58bc961eed28fd609;p=soc.git

idea for sub-decoder
---

diff --git a/src/decoder/power_decoder.py b/src/decoder/power_decoder.py
index 66618866..d95facb6 100644
--- a/src/decoder/power_decoder.py
+++ b/src/decoder/power_decoder.py
@@ -89,3 +89,13 @@ class PowerDecoder(Elaboratable):
     def ports(self):
         return [self.opcode_in] + self.op.ports()
 
+# how about this?
+if False:
+    pminor = (0, 6, [(19, "minor_19", (1,11)), # pass to 'splitter' function
+                     (30, "minor_30", (1,4)),
+                     (31, "minor_31", (1,11)), # pass to 'splitter' function
+                     (58, "minor_58", (0,1)),
+                     (62, "minor_62", (0,1)),
+                    ]
+
+    pdecode = PowerDecoder(6, "major", subcoders = pminor)