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-rw-r--r--src/sys/kernel.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sys/kernel.S b/src/sys/kernel.S
index 9184c76..4432ccd 100644
--- a/src/sys/kernel.S
+++ b/src/sys/kernel.S
@@ -20,6 +20,12 @@ kernel_main:
wfe
b 2b
+testf:
+ push {lr}
+ mrs r0, cpsr
+ bl uart_hexn
+ pop {pc}
+
.section .data
ttbr_msg:
.asciz "MMU Initialized!"