Initial commit

src/hal/gdt.h

@@ -0,0 +1,17 @@
+#include <stdint.h>
+
+typedef struct gdt_descriptor {
+    uint16_t limit_low;
+    uint16_t base_low;
+	uint8_t base_middle;
+	uint8_t access;
+	uint8_t granularity;
+	uint8_t base_high;
+} __attribute((packed)) gdt_descriptor;
+
+typedef struct gdt_register {
+    uint16_t limit;
+    uint64_t base_address;
+} __attribute((packed)) gdt_register;
+
+void set_gdt(void);