create basic MMIO handler for consoleHEADmaster

1 files changed, 9 insertions, 0 deletions

diff --git a/kernel/log.c b/kernel/log.c
index 3392223..98267e3 100644
--- a/kernel/log.c
+++ b/kernel/log.c
@@ -4,10 +4,19 @@ __attribute__((section(".ringbuf"), aligned(64)))
 volatile char log_ring[RINGBUF_SIZE];
 static int pos = 0;
 
+void stub(char c) {
+    (void)c;
+    return;
+}
+
+console_callback_t callback = stub;
+
 void put_char(char c) {
     log_ring[pos++] = c;
     if (pos >= RINGBUF_SIZE)
         pos = 0;
+
+    callback(c);
 }
 
 void put_string(const char *s) {