[U-Boot] [RESPIN PATCH v2 02/11] x86: bios: Synchronize stack between real and protected mode

Simon Glass sjg at chromium.org
Mon Jul 6 18:38:32 CEST 2015


On 6 July 2015 at 02:42, Bin Meng <bmeng.cn at gmail.com> wrote:
> From: Jian Luo <jian.luo4 at boschrexroth.de>
>
> PCI option rom may use different SS during its execution, so it is not
> safe to assume esp pointed to the same location in the protected mode.
>
> Signed-off-by: Jian Luo <jian.luo4 at boschrexroth.de>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>
> ---
> Changes in v2 respin:
> - Use *protected* mode instead of 'protect mode'
> - Correct typo of 'read mode'
>
> Changes in v2:
> - Add comments for the changes in the assembly codes
>
>  arch/x86/lib/bios_asm.S | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)

Acked-by: Simon Glass <sjg at chromium.org>


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