read _syscall_debuglog arguments across page boundaries

1 files changed, 9 insertions, 7 deletions

diff --git a/src/init/main.c b/src/init/main.c
index 5615980..89f964f 100644
--- a/src/init/main.c
+++ b/src/init/main.c
@@ -1,13 +1,15 @@
 #include <kernel/syscalls.h>
 
-int main() {
-	_syscall_debuglog("hello from init! ",
-	           sizeof("hello from init! ") - 1);
-
-	_syscall_fork();
+#define STR_64  "This string has exactly 64 characters. It'll be repeated a bunch"
+#define STR_256 STR_64  STR_64  STR_64  STR_64
+#define STR_1K  STR_256 STR_256 STR_256 STR_256
+#define STR_4K  STR_1K  STR_1K  STR_1K  STR_1K
+#define STR_LNG "start " STR_4K STR_4K " finished! "
 
-	_syscall_debuglog("i got forked. ",
-	           sizeof("i got forked. ") - 1);
+int main() {
+	// try to print a string which is longer than a page
+	_syscall_debuglog(STR_LNG,
+	           sizeof(STR_LNG) - 1);
 
 	_syscall_exit("bye from init! ",
 	       sizeof("bye from init! ") - 1);