[PATCH] arm/start.S: Do not use a scratch register to hold the stack pointer

Chris Johns chrisj at rtems.org
Fri Jul 26 06:31:43 UTC 2019

On 26/7/19 4:23 pm, Sebastian Huber wrote:
> On 26/07/2019 07:41, Chris Johns wrote:
>> On 26/7/19 3:07 pm, Sebastian Huber wrote:
>>> On 26/07/2019 07:06, Sebastian Huber wrote:
>>>> Hello Chris,
>>>> I am not sure, if using r8 is the right thing to do since r8..r14 are banked
>>>> in FIQ mode. I think the bsp_start_arm_drop_hyp_mode needs to be changed to
>>>> not touch r3, it can use r1 instead.
>>> I think the code should move to start.S also.
>> Sure, if you would like to do that. I have no time to spend on that sort of
>> change. I am happy to test a change.
> I sent three patches to the mailing list. Would you mind testing them on top of
> the master.

Doing that now and thanks. :)


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