diff --git a/litex/soc/software/bios/main.c b/litex/soc/software/bios/main.c
index d45ec8674..11147f4b7 100644
--- a/litex/soc/software/bios/main.c
+++ b/litex/soc/software/bios/main.c
@@ -548,6 +548,16 @@ int main(int i, char **c)
 	"(c) Copyright 2012-2015 Enjoy-Digital\n"
 	"(c) Copyright 2007-2015 M-Labs Limited\n"
 	"Built "__DATE__" "__TIME__"\n");
+#ifdef __lm32__
+	printf("Running on lm32.\n");
+#elif __or1k__
+	printf("Running on or1k.\n");
+#elif __riscv__
+	printf("Running on riscv.\n");
+#else
+	printf("Running on unknown architecture.\n");
+#endif
+
 	crcbios();
 #ifdef CSR_ETHMAC_BASE
 	eth_init();