From 49cfee4e370892df8404e56d53b04dde196f82f2 Mon Sep 17 00:00:00 2001
From: Alexey Gavrilov <rebovas@yahoo.com>
Date: Sun, 31 Mar 2024 14:39:51 +0700
Subject: IDT + uintptr update

---
 arch/x86/idt/Idt.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 arch/x86/idt/Idt.h

(limited to 'arch/x86/idt/Idt.h')

diff --git a/arch/x86/idt/Idt.h b/arch/x86/idt/Idt.h
new file mode 100644
index 0000000..c90b674
--- /dev/null
+++ b/arch/x86/idt/Idt.h
@@ -0,0 +1,63 @@
+#ifndef IDT_H
+#define IDT_H
+
+
+#include "../gdt/Gdt.h"
+#include <MemoryOperations.h>
+
+// Defines
+
+// Attributes
+#define TSK_GATE 0x5
+#define INT_GATE_16 0x6
+#define TRAP_GATE_16 0x7
+#define INT_GATE_32 0xe
+#define TRAP_GATE_32 0xf
+#define PRESENT_BIT 0x80
+#define RING_KERN 0
+#define RING_DRIVERSH 0x20
+#define RING_DRIVERSL 0x40
+#define RING_APP 0x60
+
+//--------
+
+class DescInterrupt32
+{
+    private:
+        uint16 offsetLow;
+        uint16 segmentSelector;
+        uint8 attributes;
+        uint16 offsetHight;
+    public:
+        DescInterrupt32() = default;
+        DescInterrupt32(const DescInterrupt32 &) = default; 
+        DescInterrupt32(uint32 offset, uint16 selector, uint8 attr);
+        uint64 getDescriptor();
+        static DescInterrupt32 InterruptKernelLong(uint32 offset, 
+                                                    uint16 selector);
+        static DescInterrupt32 TrapKernelLong(uint32 offset,
+                                                    uint16 selector);
+        static DescInterrupt32 TaskKernel(uint16 selector);
+};
+
+class MngIdt
+{
+    private:
+        const static uint8 size = 255;
+        static uint64 idt[size];
+        static bool isInitialize;
+        static bool idtLoaded;
+        uint8 currIdx;
+    public:
+        MngIdt();
+        MngIdt(const MngIdt &) = delete;
+        bool addDescriptor(DescInterrupt32 desc);
+        bool setDescriptor(DescInterrupt32 desc, uint8 idx);
+        bool canDescriptorWrite(uint8 idx);
+        bool loadIdt();
+        static MngIdt &getInstance();
+};
+
+extern MngIdt mngIdt;
+
+#endif
-- 
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