;gdt.inc
;Author: Josh Holtrop
;Date: 10/30/03
;Modified: 03/02/04

gdtr:
	dw	gdt_end-gdt-1
	dd	GDT_V
gdt:
	dd	0
	dd	0

KERNEL_CODE equ $-gdt
	dw	0xffff	;limit 15:0
	dw	0x0000	;base  15:0
	db	0x00	;base  23:16
	db	0x9A	;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
	db	0xCF	;flags ([G][D/B][0][0]) / limit 19:16
	db	0x00	;base  31:24

KERNEL_DATA equ $-gdt
	dw	0xffff	;limit 15:0
	dw	0x0000	;base  15:0
	db	0x00	;base  23:16
	db	0x92	;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
	db	0xCF	;flags ([G][D/B][0][0]) / limit 19:16
	db	0x00	;base  31:24


USER_CODE equ $-gdt
	dw	0xffff	;limit 15:0
	dw	0x0000	;base  15:0
	db	0x00	;base  23:16
	db	0xFA	;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
	db	0xCF	;flags ([G][D/B][0][0]) / limit 19:16
	db	0x00	;base  31:24

USER_DATA equ $-gdt
	dw	0xffff	;limit 15:0
	dw	0x0000	;base  15:0
	db	0x00	;base  23:16
	db	0xF2	;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
	db	0xCF	;flags ([G][D/B][0][0]) / limit 19:16
	db	0x00	;base  31:24

TSS0_SEG equ $-gdt
	dw	0x67	;limit 15:0
	dw	0	;base  15:0
	db	0	;base  23:16
	db	0xE9	;access ([P][DPL][0][1][0][Busy][1])
	db	0x00	;flags ([G][0][0][AVL]) / limit 19:16
	db	0	;base  31:24

gdt_end: