121 lines
2.3 KiB
C
121 lines
2.3 KiB
C
#ifndef DESCRIPTORTABLES_H
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#define DESCRIPTORTABLES_H
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#include "common.h"
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void initializeDescriptorTables();
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struct GdtEntry {
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uint16 limit_low;
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uint16 base_low;
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uint8 base_middle;
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uint8 access;
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uint8 granularity;
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uint8 base_high;
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} __attribute__((packed));
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typedef struct GdtEntry GdtEntry;
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struct GdtPointer {
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uint16 limit;
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uint32 base;
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} __attribute__((packed));
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typedef struct GdtPointer GdtPointer;
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struct IdtEntry {
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uint16 base_lo;
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uint16 sel;
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uint8 always0;
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uint8 flags;
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uint16 base_hi;
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} __attribute__((packed));
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typedef struct IdtEntry IdtEntry;
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struct IdtPointer {
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uint16 limit;
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uint32 base;
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} __attribute__((packed));
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typedef struct IdtPointer IdtPointer;
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struct Tss {
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uint16 previous_task, __previous_task_unused;
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uint32 esp0;
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uint16 ss0, __ss0_unused;
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uint32 esp1;
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uint16 ss1, __ss1_unused;
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uint32 esp2;
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uint16 ss2, __ss2_unused;
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uint32 cr3;
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uint32 eip, eflags, eax, ecx, edx, ebx, esp, ebp, esi, edi;
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uint16 es, __es_unused;
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uint16 cs, __cs_unused;
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uint16 ss, __ss_unused;
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uint16 ds, __ds_unused;
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uint16 fs, __fs_unused;
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uint16 gs, __gs_unused;
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uint16 ldt_selector, __ldt_sel_unused;
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uint16 debug_flag, io_map;
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} __attribute__ ((packed));
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typedef struct Tss Tss;
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extern void isr0 ();
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extern void isr1 ();
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extern void isr2 ();
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extern void isr3 ();
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extern void isr4 ();
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extern void isr5 ();
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extern void isr6 ();
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extern void isr7 ();
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extern void isr8 ();
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extern void isr9 ();
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extern void isr10();
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extern void isr11();
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extern void isr12();
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extern void isr13();
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extern void isr14();
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extern void isr15();
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extern void isr16();
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extern void isr17();
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extern void isr18();
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extern void isr19();
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extern void isr20();
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extern void isr21();
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extern void isr22();
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extern void isr23();
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extern void isr24();
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extern void isr25();
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extern void isr26();
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extern void isr27();
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extern void isr28();
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extern void isr29();
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extern void isr30();
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extern void isr31();
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extern void irq0 ();
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extern void irq1 ();
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extern void irq2 ();
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extern void irq3 ();
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extern void irq4 ();
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extern void irq5 ();
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extern void irq6 ();
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extern void irq7 ();
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extern void irq8 ();
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extern void irq9 ();
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extern void irq10();
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extern void irq11();
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extern void irq12();
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extern void irq13();
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extern void irq14();
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extern void irq15();
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extern void isr128();
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#endif //DESCRIPTORTABLES_H
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