Add conclusion and rename _main to start

2021-05-05 20:55:19 +02:00 · 2021-05-05 20:55:19 +02:00 · ced273944b
parent 44a453a062
commit ced273944b
2 changed files with 9 additions and 6 deletions
--- a/aarch64-hello.s
+++ b/aarch64-hello.s
@ -1,5 +1,6 @@
-.global _main
+.global start

-_main:
-    mov x0, 42  // exit code
-    ret
+start:
+    mov x0, 1
+    add x0, x0, 41
+    b conclusion
--- a/runtime.s
+++ b/runtime.s
@ -1,5 +1,7 @@
-.global main
+.global main, conclusion
 main:
-    bl _main
+    b start
+
+conclusion:
 	mov x8, 93 	// sys_exit() is at index 93 in kernel functions table
 	svc #0 		// generate kernel call sys_exit(123);