use a shared function for callback registration, for easier GOT linking

1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/log.c b/kernel/log.c
index 98267e3..84b52d3 100644
--- a/kernel/log.c
+++ b/kernel/log.c
@@ -103,3 +103,7 @@ void printk(const char *fmt, ...) {
     vprintk(fmt, args);
     __builtin_va_end(args);
 }
+
+void register_console_callback(console_callback_t cb) {
+    callback = cb;
+}