[U-Boot] [PATCH 1/2] armv8: Support loading 32-bit OS in AArch32 execution state

York Sun york.sun at nxp.com
Fri May 13 18:34:22 CEST 2016


On 05/13/2016 01:50 AM, Alison Wang wrote:
> To support loading a 32-bit OS, the execution state will change from
> AArch64 to AArch32 when jumping to kernel.
> 
> The architecture information will be got through checking FIT
> image, then U-Boot will load 32-bit OS or 64-bit OS automatically.
> 
> Signed-off-by: Ebony Zhu <ebony.zhu at nxp.com>
> Signed-off-by: Alison Wang <alison.wang at nxp.com>
> Signed-off-by: Chenhui Zhao <chenhui.zhao at nxp.com>
> ---
>  arch/arm/cpu/armv8/transition.S | 100 ++++++++++++++++++++++++++++++++++++++++
>  arch/arm/include/asm/system.h   |   2 +
>  arch/arm/lib/bootm.c            |  20 +++++++-
>  common/image-fit.c              |  12 ++++-
>  4 files changed, 131 insertions(+), 3 deletions(-)
> 

If you repsin the patch for any reason, please remember to add correct version
number and change log.

York




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