[U-Boot] [PATCH v2 13/47] x86: Tidy up the 64-bit calling code

The GDT works but technically the length is incorrect. Fix this and add a comment.

Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---

Changes in v2: None

arch/x86/cpu/call64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/cpu/call64.S b/arch/x86/cpu/call64.S index 74dd5a8..08dc473 100644 --- a/arch/x86/cpu/call64.S +++ b/arch/x86/cpu/call64.S @@ -82,8 +82,8 @@ lret_target:

.data gdt: - .word gdt_end - gdt - .long gdt + .word gdt_end - gdt - 1 + .long gdt /* Fixed up by code above */ .word 0 .quad 0x0000000000000000 /* NULL descriptor */ .quad 0x00af9a000000ffff /* __KERNEL_CS */