started on interrupts

[3sys] / sys1 / kern / src / intr.c

diff --git a/sys1/kern/src/intr.c b/sys1/kern/src/intr.c
new file mode 100644 (file)
index 0000000..5ce0009
--- /dev/null
+++ b/sys1/kern/src/intr.c
@@ -0,0 +1,17 @@
+#include "intr.h"
+#include "desc.h"
+
+void set_idt(void *ptr, uint16_t lim);
+
+#define NUM_INTR       256
+static struct desc idt[NUM_INTR] __attribute__((aligned(8)));
+
+void intr_init(void)
+{
+       set_idt(idt, sizeof idt - 1);
+}
+
+void intr_handler(int err, int num)
+{
+}
+