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x86: Fix GDT limit in start16.S

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GDT limit should be one less than an integral multiple of eight.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2014-10-16 22:58:35 +08:00 committed by Simon Glass
parent fb00601ed6
commit 35d4fed320
1 changed files with 1 additions and 1 deletions
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arch/x86/cpu/start16.S
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@ -70,7 +70,7 @@ idt_ptr:
* GDT is setup in a safe location in RAM
*/
gdt_ptr:
.word 0x20 /* limit (32 bytes = 4 GDT entries) */
.word 0x1f /* limit (31 bytes = 4 GDT entries - 1) */
.long BOOT_SEG + gdt /* base */
/* Some CPUs are picky about GDT alignment... */