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 F
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
n
On 26/7/19 3:42 pm, Sebastian Huber wrote:
> On 26/07/2019 07:37, Chris Johns wrote:
>> On 26/7/19 3:06 pm, 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.
>>
>> The ARM docs I referenced say the regi
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
n
On 26/07/2019 07:37, Chris Johns wrote:
On 26/7/19 3:06 pm, 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.
The ARM docs I referenced say the register is general purpose. There is other
docs they say something else?
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 i
On 26/7/19 3:06 pm, 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.
The ARM docs I referenced say the register is general purpose. There is other
docs they say something else?
This is early boot code who wh
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.
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.
--
Sebastian Huber, embedded brains GmbH
Address : Dornierstr. 4, D-82178 Puchheim, Germa
From: Chris Johns
- The RPi calls C code which trashes scratch registers.
Closes #3773
---
bsps/arm/shared/start/start.S | 26 +-
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/bsps/arm/shared/start/start.S b/bsps/arm/shared/start/start.S
index 80b7d44db
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