Chloe M.
28 lines
500 B
C
28 lines
500 B
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Global descriptor table
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* Author: Chloe M.
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*/
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#ifndef _MACHINE_GDT_H_
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#define _MACHINE_GDT_H_ 1
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/* Number of GDT entries */
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#define GDT_ENTRY_COUNT 7
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/* Kernel code/data */
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#define GDT_KCODE 0x08
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#define GDT_KDATA 0x10
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/* User code/data */
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#define GDT_UCODE 0x18
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#define GDT_UDATA 0x20
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/* Task state segment */
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#define GDT_TSS 0x28
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#define GDT_TSS_INDEX 0x05
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#endif /* !_MACHINE_GDT_H_ */
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