[U-Boot] [PATCH v2 03/18] bootvx: x86: Explicitly clear the bootloader image size
Simon Glass
sjg at chromium.org
Thu Apr 12 16:41:55 UTC 2018
On 11 April 2018 at 23:02, Bin Meng <bmeng.cn at gmail.com> wrote:
> VxWorks bootloader stores its size at a pre-defined offset @ 0x5004.
> Later when VxWorks kernel boots up and system memory information is
> retrieved from the E820 table, the bootloader size will be subtracted
> from the total system memory size to calculate the size of available
> memory for the OS.
>
> Explicitly clear the bootloader image size otherwise if memory
> at this offset happens to contain some garbage data, the final
> available memory size for the kernel is insane.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
> Changes in v2: None
>
> cmd/elf.c | 7 +++++++
> include/vxworks.h | 9 +++++++++
> 2 files changed, 16 insertions(+)
Reviewed-by: Simon Glass <sjg at chromium.org>
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