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attrib:
.present equ 1 << 7
.ring1 equ 1 << 5
.ring2 equ 1 << 6
.ring3 equ 1 << 5 | 1 << 6
.user equ 1 << 4
;user
.code equ 1 << 3
; code
.conforming equ 1 << 2
.readable equ 1 << 1
; data
.expand_down equ 1 << 2
.writable equ 1 << 1
.accessed equ 1 << 0
;system
; legacy
.tssAvailabe16 equ 0x1
.ldt equ 0x2
.tssBusy16 equ 0x3
.call16 equ 0x4
.task equ 0x5
.interrupt16 equ 0x6
.trap16 equ 0x7
.tssAvailabe32 equ 0x9
.tssBusy32 equ 0xB
.call32 equ 0xC
.interrupt32 equ 0xE
.trap32 equ 0xF
; long mode
.ldt32 equ 0x2
.tssAvailabe64 equ 0x9
.tssBusy64 equ 0xB
.call64 equ 0xC
.interrupt64 equ 0xE
.trap64 equ 0xF
flags:
.granularity equ 1 << 7
.available equ 1 << 4
;user
.default_operand_size equ 1 << 6
; code
.long_mode equ 1 << 5
; data
.reserved equ 1 << 5