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.code64
.global gdt64_tss
gdt64:
gdt64_null:
.long 0
.long 0
gdt64_cs:
.long 0
.byte 0
.byte 0b10011100
.byte 0b00100000
.byte 0
gdt64_ds:
.long 0
.byte 0
.byte 0b10010010
.word 0
gdt64_cs_user:
.long 0
.byte 0
.byte 0b11111100
.byte 0b00100000
.byte 0
gdt64_ds_user:
.long 0
.byte 0
.byte 0b11110010
.word 0
gdt64_tss:
.long 0
.long 0
.long 0
.long 0
gdtr:
.word . - gdt64 - 1
.quad gdt64
.global load_gdt
load_gdt:
lgdt (gdtr)
ret
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