add x86 supportHEADmaster

1 files changed, 10 insertions, 0 deletions

diff --git a/kernel/common/log.c b/kernel/common/log.c
index f65c165..5f470f1 100644
--- a/kernel/common/log.c
+++ b/kernel/common/log.c
@@ -1,15 +1,21 @@
 #include <sys/stddef.h>
 #include <sys/log.h>
 
+void stub(char c) {
+    (void)c;
+}
+
 __attribute__((section(".ringbuf"), aligned(64)))
 volatile char log_ring[RINGBUF_SIZE];
 static int pos = 0;
+static console_callback_t console_callback = stub;
 
 void put_char(char c) {
     log_ring[pos++] = c;
     if (pos >= RINGBUF_SIZE)
         pos = 0;
 
+    console_callback(c);
 }
 
 void put_string(const char *s) {
@@ -17,6 +23,10 @@ void put_string(const char *s) {
         put_char(*s++);
 }
 
+void register_console_callback(console_callback_t callback) {
+    console_callback = callback;
+}
+
 void put_uint(unsigned int value, unsigned int radix) {
     char tmp[16];
     const char digits[] = "0123456789abcdef";