Initial commit

include/idt.h

@@ -0,0 +1,30 @@
+#ifndef IDT_H
+#define IDT_H
+#include "../include/types.h"
+#include <stdint.h>
+
+typedef struct {
+	uint16_t    isr_low;      // The lower 16 bits of the ISR's address
+	uint16_t    kernel_cs;    // The GDT segment selector that the CPU will load into CS before calling the ISR
+	uint8_t     reserved;     // Set to zero
+	uint8_t     attributes;   // Type and attributes; see the IDT page
+	uint16_t    isr_high;     // The higher 16 bits of the ISR's address
+} __attribute__((packed)) idt_entry_t;
+
+__attribute__((aligned(0x10))) 
+static idt_entry_t idt[256]; // Create an array of IDT entries; aligned for performance
+
+typedef struct {
+	uint16_t	limit;
+	uint32_t	base;
+} __attribute__((packed)) idtr_t;
+
+static idtr_t idtr;
+
+//void idt_init(void);
+//void idt_set_descriptor(uint8_t vector, void* isr, uint8_t flags);
+void idt_set_descriptor(uint8 vector, uint32 isr, uint8_t flags);
+void idt_set();
+
+#endif
+