From: Tobias Platen <tplaten@posteo.de>
Date: Wed, 27 Jan 2021 19:45:37 +0000 (+0100)
Subject: use SPR constants
X-Git-Tag: convert-csv-opcode-to-binary~307
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab6b78b08f911040ff0378f696b113da51b8a48b;p=soc.git

use SPR constants
---

diff --git a/src/soc/decoder/power_decoder2.py b/src/soc/decoder/power_decoder2.py
index 83d5cfea..0f4c16a2 100644
--- a/src/soc/decoder/power_decoder2.py
+++ b/src/soc/decoder/power_decoder2.py
@@ -735,10 +735,10 @@ class PowerDecodeSubset(Elaboratable):
         comb += spr.eq(decode_spr_num(self.dec.SPR)) # from XFX
 
         # for first test only forward SPRs 18 and 19 to MMU, when
-        # operation is MTSPR or MFSPR.  TODO: use SPR.xxxx not 18/19.
+        # operation is MTSPR or MFSPR.  TODO: add other MMU SPRs
         with m.If(((self.dec.op.internal_op == MicrOp.OP_MTSPR) |
                    (self.dec.op.internal_op == MicrOp.OP_MFSPR)) &
-                  ((spr == 18) | (spr == 19))):
+                  ((spr == SPR.DSISR) | (spr == SPR.DAR))):
             comb += self.do_copy("fn_unit", Function.MMU)
         with m.Else():
             comb += self.do_copy("fn_unit",fn)