; This file is written with Intel ASM Syntax.

[GLOBAL load_gdt]    ; Allows the C code to call gdt_flush().
[EXTERN gp]
load_gdt:
     ; Get the pointer to the GDT, passed as a parameter.
    lgdt [gp]        ; Load the new GDT pointer

    mov ax, 0x10      ; 0x10 is the offset in the GDT to our data segment
    mov ds, ax        ; Load all data segment selectors
    mov es, ax
    mov fs, ax
    mov gs, ax
    mov ss, ax
    jmp 0x08:flush   ; 0x08 is the offset to our code segment: Far jump!
flush:
    ret