From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 2 Dec 2019 08:44:44 +0000 (+0100)
Subject: soc/interconnect/csr: add fields support for CSRStorage's write simulation method
X-Git-Tag: 24jan2021_ls180~834
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6de20f185a280de852a76134a6ae5c0a81adec2a;p=litex.git

soc/interconnect/csr: add fields support for CSRStorage's write simulation method
---

diff --git a/litex/soc/interconnect/csr.py b/litex/soc/interconnect/csr.py
index a7defd0a..75a7c488 100644
--- a/litex/soc/interconnect/csr.py
+++ b/litex/soc/interconnect/csr.py
@@ -411,8 +411,15 @@ class CSRStorage(_CompoundCSR):
         """Write method for simulation."""
         yield self.storage.eq(value)
         yield self.re.eq(1)
+        if hasattr(self, "fields"):
+            for field in [*self.fields.fields]:
+                yield getattr(self.fields, field.name).eq((value >> field.offset) & (2**field.size -1))
         yield
         yield self.re.eq(0)
+        if hasattr(self, "fields"):
+            for field in [*self.fields.fields]:
+                if field.pulse:
+                    yield getattr(self.fields, field.name).eq(0)
 
 # AutoCSR & Helpers --------------------------------------------------------------------------------