fix interrupt enabling/disabling/polling and uart fifo setting to make the io work properly

1 files changed, 0 insertions, 2 deletions

diff --git a/PL0_test.c b/PL0_test.c
index fed62a2..0bfebc7 100644
--- a/PL0_test.c
+++ b/PL0_test.c
@@ -8,8 +8,6 @@ void PL0_main(void)
   puts("Hello userspace! Type 'f' if you want me to try accessing "
        "kernel memory!");
 
-
-  asm volatile("mov r0, #17\n\rsvc #0" ::: "r0");
   while (1)
     {
       char c = getchar();