cores/cpu: use standard+debug variant when only debug is specified.

diff --git a/litex/soc/cores/cpu/__init__.py b/litex/soc/cores/cpu/__init__.py
index 3a52fcdbd9cb7e9882984330fe2f90a8dec863ba..870a96967717f1ebc03881bf4f49ede3403f9b15 100644 (file)
--- a/litex/soc/cores/cpu/__init__.py
+++ b/litex/soc/cores/cpu/__init__.py
@@ -93,6 +93,8 @@ def check_format_cpu_variant(variant):
        # Support the old style which used underscore for separator
     if variant is None:
         variant = "standard"
+    if variant == "debug":
+        variant = "standard+debug"
     variant = variant.replace('_', '+')
 
     # Check for valid CPU variants.