--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -121,6 +121,19 @@
 #endif
 	.endm
 
+	li	t0, 0xb8020000
+1:
+	lw	t1, 0x14(t0)
+	andi	t1, 0x20
+	beqz    t1, 1b
+	li	t1, '@'
+	sw	t1, 0(t0)
+2:
+	lw	t1, 0x14(t0)
+	andi	t1, 0x20
+	beqz	t1, 2b
+	nop
+
 	j kernel_entry
 	nop
 #ifndef CONFIG_NO_EXCEPT_FILL