descriptor_tables.h

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/*************************************************************************
    > File Name: kernel/descriptor_tables.h
      > Author: Netcan
      > Blog: http://www.netcan666.com
      > Mail: 1469709759@qq.com
      > Created Time: 2018-07-09 Mon 15:30:46 CST
 ************************************************************************/

#include <io.h>
#ifndef DT_H
#define DT_H
#define PIC_MASTER_CONTROL 0x20 
#define PIC_MASTER_DATA 0x21    
#define PIC_SLAVE_CONTROL 0xa0  
#define PIC_SLAVE_DATA 0xa1     
#define PIC_EOI 0x20    


struct gdt_entry_struct {
   u16 limit_low;           
   u16 base_low;            
   u8  base_middle;         
   u8  access;              
   u8  granularity;         
   u8  base_high;           
} __attribute__((packed));  
typedef struct gdt_entry_struct gdt_entry_t;

struct gdt_ptr_struct {
   u16 limit;               
   u32 base;                
} __attribute__((packed));
typedef struct gdt_ptr_struct gdt_ptr_t;

struct idt_entry_struct {
   u16 base_lo;             
   u16 sel;                 
   u8  always0;             
   u8  flags;               
   u16 base_hi;             
} __attribute__((packed));
typedef struct idt_entry_struct idt_entry_t;

struct idt_ptr_struct {
   u16 limit;       
   u32 base;        
} __attribute__((packed));
typedef struct idt_ptr_struct idt_ptr_t;

void init_descriptor_tables();

extern void isr0();
extern void isr1();
extern void isr2();
extern void isr3();
extern void isr4();
extern void isr5();
extern void isr6();
extern void isr7();
extern void isr8();
extern void isr9();
extern void isr10();
extern void isr11();
extern void isr12();
extern void isr13();
extern void isr14();
extern void isr15();
extern void isr16();
extern void isr17();
extern void isr18();
extern void isr19();
extern void isr20();
extern void isr21();
extern void isr22();
extern void isr23();
extern void isr24();
extern void isr25();
extern void isr26();
extern void isr27();
extern void isr28();
extern void isr29();
extern void isr30();
extern void isr31();

extern void irq0();
extern void irq1();
extern void irq2();
extern void irq3();
extern void irq4();
extern void irq5();
extern void irq6();
extern void irq7();
extern void irq8();
extern void irq9();
extern void irq10();
extern void irq11();
extern void irq12();
extern void irq13();
extern void irq14();
extern void irq15();


#endif