Add GDT and IDT

2022-11-16 19:49:09 +02:00
parent b500a8a7ed
commit f2b45ba212
6 changed files with 236 additions and 15 deletions
--- a/kernel/include/kernel/IDT.h
+++ b/kernel/include/kernel/IDT.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include <stdint.h>
+
+union GateDescriptor
+{
+	struct
+	{
+		uint16_t	offset_lo;
+		uint16_t	selector;
+		uint8_t		reserved;
+		uint8_t		type		: 4;
+		uint8_t		zero		: 1;
+		uint8_t		dpl			: 2;
+		uint8_t		present		: 1;
+		uint16_t	offset_hi;
+	};
+
+	struct
+	{
+		uint32_t low;
+		uint32_t high;
+	};
+	
+} __attribute__((packed));
+
+void idt_initialize();