On Tue, 4 Jun 2024 at 14:37, Marcin Juszkiewicz
wrote:
>
> W dniu 3.06.2024 o 18:47, Leif Lindholm via groups.io pisze:
>
> >> In 2020 we got version C of spec (and then D, E, F) which allows to
> >> use more registers:
> >>
> >> > Allow R4—R7 (SMC32/HVC32) to be used as result registers.
> >> >
W dniu 3.06.2024 o 18:47, Leif Lindholm via groups.io pisze:
In 2020 we got version C of spec (and then D, E, F) which allows to
use more registers:
> Allow R4—R7 (SMC32/HVC32) to be used as result registers.
> Allow X8—X17 to be used as parameter registers in SMC64/HVC64.
> Allow X4—X17 to
Hi Marcin.
A few high-level thoughs below.
On 2024-05-31 08:14, Marcin Juszkiewicz wrote:
EDK2/ArmPkg/Library/ArmSmcLib has code to do SMC calls.
There are ArmCallSmc[0-3]() functions for up to 3 arguments/results and
ArmCallSmc() function which can use 7 arguments and get 4 results back.
T
EDK2/ArmPkg/Library/ArmSmcLib has code to do SMC calls.
There are ArmCallSmc[0-3]() functions for up to 3 arguments/results and
ArmCallSmc() function which can use 7 arguments and get 4 results back.
This implementation looks like version B (Nov 2016) of SMCCC
specification [1] with one more
