Add: userland hello world code

2023-10-11 09:38:29 +09:00
parent 917988e871
commit 37dbb99f50
3 changed files with 13 additions and 2 deletions
--- a/app/hello_world.c
+++ b/app/hello_world.c
@@ -0,0 +1,10 @@
+#include <syscall.h>
+
+static char s[] = "Hello from userland!\n";
+
+int main(void)
+{
+    write(1, s, 21);
+    while (1);
+    return 0;
+}