Re: [U-Boot] [PATCH 12/48] x86: Tidy up the 64-bit calling code

On Wed, Jul 22, 2015 at 11:49 PM, Simon Glass sjg@chromium.org wrote:

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

Signed-off-by: Simon Glass sjg@chromium.org

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 */
  

--

Reviewed-by: Bin Meng bmeng.cn@gmail.com