28 lines
361 B
NASM
28 lines
361 B
NASM
gdt_start:
|
|
dd 0x0
|
|
dd 0x0
|
|
|
|
gdt_code:
|
|
dw 0xffff
|
|
dw 0x0
|
|
db 0x0
|
|
db 10011010b
|
|
db 11001111b
|
|
db 0x0
|
|
|
|
gdt_data:
|
|
dw 0xffff
|
|
dw 0x0
|
|
db 0x0
|
|
db 10010010b
|
|
db 11001111b
|
|
db 0x0
|
|
|
|
gdt_end:
|
|
|
|
gdt_descriptor:
|
|
dw gdt_end - gdt_start - 1
|
|
dd gdt_start
|
|
|
|
CODE_SEG equ gdt_code - gdt_start
|
|
DATA_SEG equ gdt_data - gdt_start |