Index: kernel/arch/sparc64/src/asm.S
===================================================================
--- kernel/arch/sparc64/src/asm.S	(revision dbd4ae5a798fff205e2b15fc8761ad9e1239e09f)
+++ kernel/arch/sparc64/src/asm.S	(revision b5382d4f551b38012fe4db27dd79c095f5e09706)
@@ -273,2 +273,7 @@
 	ba %xcc, _memsetw
 	nop
+
+.global early_putchar
+early_putchar:
+	retl
+	nop