On 11 April 2018 at 23:02, Bin Meng <bmeng...@gmail.com> wrote:
> When booting from EFI BIOS, VxWorks bootloader stores the EFI GOP
> framebuffer info at a pre-defined offset @ 0x6100. When VxWorks
> kernel boots up, its EFI console driver tries to find such a block
> and if the signature matches, the framebuffer information will be
> used to initialize the driver.
>
> However it is not necessary to prepare an EFI environment for
> VxWorks's EFI console driver to function (eg: EFI loader in
> U-Boot). If U-Boot has already initialized the graphics card and
> set it to a VESA mode that is compatible with EFI GOP, we can
> simply prepare such a block for VxWorks.
>
> Signed-off-by: Bin Meng <bmeng...@gmail.com>
> ---
>
> Changes in v2: None
>
>  cmd/elf.c         | 19 +++++++++++++++++++
>  include/vxworks.h | 26 ++++++++++++++++++++++++++
>  2 files changed, 45 insertions(+)

Reviewed-by: Simon Glass <s...@chromium.org>
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