From: Jean THOMAS <git0@pub.jeanthomas.me>
Date: Mon, 8 Jun 2020 11:23:48 +0000 (+0200)
Subject: Throw exception if two CSR have the same name
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=63c764d45c991cfe4bffd56a9be0fd2c93a70a7f;p=lambdasoc.git

Throw exception if two CSR have the same name
---

diff --git a/lambdasoc/periph/base.py b/lambdasoc/periph/base.py
index 8789ee3..84c3452 100644
--- a/lambdasoc/periph/base.py
+++ b/lambdasoc/periph/base.py
@@ -253,6 +253,8 @@ class CSRBank:
         name = name or tracer.get_var_name(depth=2 + src_loc_at).lstrip("_")
 
         elem_name = "{}_{}".format(self._name_prefix, name)
+        if any(elem.name == elem_name for (elem, _, _) in self._csr_regs):
+            raise Exception("CSR \"{}\" has already been defined".format(elem_name))
         elem = csr.Element(width, access, name=elem_name)
         self._csr_regs.append((elem, addr, alignment))
         return elem