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Enable A20 line at boot.

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This commit is contained in:
Andreas Kling
2018-10-27 14:09:33 +02:00
parent 601d0d1739
commit 99ee6acd69
1 changed files with 4 additions and 0 deletions
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4
Kernel/Boot/boot.asm
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@@ -21,6 +21,10 @@ boot:
cmp al, 0 cmp al, 0
jne .lewp jne .lewp
; Enable A20
mov ax, 0x2401
int 0x15
mov bx, 0x1000 mov bx, 0x1000
mov es, bx mov es, bx
xor bx, bx ; Load kernel @ 0x10000 xor bx, bx ; Load kernel @ 0x10000