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

Signed-off-by: Bin Meng bmeng.cn@gmail.com --- arch/x86/cpu/start16.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S index 8b9b327..6968fda 100644 --- a/arch/x86/cpu/start16.S +++ b/arch/x86/cpu/start16.S @@ -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... */