jankos/components/gdt/gdt_seg.s

18 lines
242 B
ArmAsm

global load_gdt
extern gdt_ptr
load_gdt:
mov ax, 0x10 ; offset in the gdt to our data segment
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
jmp 0x08:flush_cs ; far jump to the code segment
flush_cs:
lgdt [gdt_ptr]
ret