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Kernel: Clear segment registers on x86_64

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They're supposedly unused but iretq doesn't like ss being non-zero.
This commit is contained in:
Gunnar Beutner 2021-06-26 17:24:43 +02:00 • committed by Andreas Kling
parent 9d9f20391d
commit 79ab9cce18
1 changed files with 7 additions and 0 deletions
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7
Kernel/Arch/x86/x86_64/Boot/boot.S
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@ -265,6 +265,13 @@ start:
.code64 .code64
1: 1:
mov $0, %ax
mov %ax, %ss
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
mov %ax, %gs
call init call init
add $4, %rsp add $4, %rsp