55 lines
794 B
C++
55 lines
794 B
C++
#ifndef __GDT__
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#define __GDT__
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#include "../Helpers/types.hpp"
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//Define GDT pointer
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struct gdtPointerStruct{
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u16 size;
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u32 segment;
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} __attribute__ ((packed));
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//Define GDT descriptor
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struct gdtDescriptorStruct{
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u16 limit1;
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u16 base1;
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u8 base2;
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u8 access;
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u8 limit2 : 4;
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u8 flags : 4;
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u8 base3;
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} __attribute__ ((packed));
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//Typedef :
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typedef struct gdtPointerStruct gdtPointerStruct;
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typedef struct gdtDescriptorStruct gdtDescriptorStruct;
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//Gdt class
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class Gdt{
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private:
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//Data members
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gdtDescriptorStruct m_Descriptors[4];
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gdtPointerStruct m_Pointer;
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//Methods
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void initGdtDesc(u32 base, u32 limit, u8 access, u8 flags, gdtDescriptorStruct *Descriptor);
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public:
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//Constructor
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Gdt();
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//Destructor
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~Gdt();
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//Methods
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void loadGdt();
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};
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#endif
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