new OS

kernel/idt.h

@@ -0,0 +1,24 @@
+#ifndef IDT_H
+#define IDT_H
+
+#include <stdint.h>
+
+#define IDT_ENTRIES 256
+
+typedef struct {
+    uint16_t offset_low;
+    uint16_t selector;
+    uint8_t zero;
+    uint8_t type_attr;
+    uint16_t offset_high;
+} __attribute__((packed)) idt_entry_t;
+
+typedef struct {
+    uint16_t limit;
+    uint32_t base;
+} __attribute__((packed)) idt_ptr_t;
+
+void idt_set_gate(int n, uint32_t handler);
+void idt_init(void);
+
+#endif