[U-Boot] [PATCH v2 0/2] ARM: Introduce function to switch to hypervisor mode

[Keerthy]

On Friday 29 July 2016 11:59 AM, Keerthy wrote:
> On SoCs like DRA7, OMAP5 one cannot enable hypervisor mode directly from the
> u-boot because the ROM code puts the chip to supervisor mode after it
> jumps to boot loader.
>
> Patch 1: Introduces a weak function which can be overridden specific to
> SoCs to switch to hypervisor mode.
>
> Patch 2: overrides weak function in patch 1 switch cpu to hypervisor
> mode using the available ROM code hook early in the boot phase before
> the boot loader checks for hypervisor mode on OMAP5 based SoCs.

Hi Tom,

I request you to hold on merge of this series. I am doing some 
performance measurements. I see some drop. So analyzing and root causing.

Thanks,
Keerthy

>
> Changes in v2:
>
>    * Fixed a compile time error on older defconfigs due to #ifdef
>      issue.
>
> Boot tested on DRA7-EVM and DRA72-EVM.
>
> Keerthy (2):
>    ARM: Introduce function to switch to hypervisor mode
>    ARM: OMAP5+: Override switch_to_hypervisor function
>
>   arch/arm/cpu/armv7/omap-common/lowlevel_init.S | 21 +++++++++++++++++++++
>   arch/arm/cpu/armv7/start.S                     | 15 +++++++++++++++
>   arch/arm/include/asm/system.h                  |  1 +
>   3 files changed, 37 insertions(+)
>