scaffolding for the initrd: init can read files appended to it

currently this is just a text file, but it will be a tar archive later
on

1 files changed, 3 insertions, 0 deletions

diff --git a/src/init/main.c b/src/init/main.c
index 265379d..db94d4a 100644
--- a/src/init/main.c
+++ b/src/init/main.c
@@ -8,6 +8,7 @@
 
 extern char _bss_start; // provided by the linker
 extern char _bss_end;
+extern char _initrd;
 
 int tty_fd;
 
@@ -24,6 +25,8 @@ int main(void) {
 		_syscall_exit(argify("couldn't open tty"));
 
 	fs_test();
+
+	_syscall_write(tty_fd, &_initrd, 23);
 	_syscall_exit(argify("my job here is done."));
 }