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reload the segment descriptors after loading GDT

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Stefan Lankes 2017-08-20 10:19:25 +02:00 • committed by GitHub
parent dfa27cb3c1
commit b163fa4521
1 changed files with 10 additions and 0 deletions
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10
arch/x86/kernel/entry.asm
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@ -264,6 +264,16 @@ extern gp
; C as 'extern void gdt_flush();'
gdt_flush:
lgdt [gp]
; reload the segment descriptors
mov eax, 0x10
mov ds, eax
mov es, eax
mov ss, eax
xor eax, eax
mov fs, eax
mov gs, eax
jmp 0x08:flush2
flush2:
ret
; The first 32 interrupt service routines (ISR) entries correspond to exceptions.