1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
new file mode 100644
index 0000000..4b700d7
--- /dev/null
+++ b/kernel/timer.c
@@ -0,0 +1,17 @@
+#include <stdint.h>
+#include "isr.h"
+#include "timer.h"
+
+uint64_t current_tick_data = 0;
+
+const uint64_t *current_tick = &current_tick_data;
+
+static void timer_callback(struct regs_t regs)
+{
+    ++current_tick_data;
+}
+
+void timer_init(void)
+{
+    set_interrupt_handler(IRQ(0), timer_callback);
+}