Hi Jens, On 22/02/2023 15:32, Jens Wiklander wrote:
SMCCC v1.2 [1] AArch64 allows x0-x17 to be used as both parameter registers and result registers for the SMC and HVC instructions.Arm Firmware Framework for Armv8-A specification makes use of x0-x7 as parameter and result registers. Let us add new interface to support this extended set of input/output registers. This is based on 3fdc0cb59d97 ("arm64: smccc: Add support for SMCCCv1.2 extended input/output registers") by Sudeep Holla from the Linux kernel The SMCCC version reported to the VM is bumped to 1.2 in order to support handling FF-A messages. [1] https://developer.arm.com/documentation/den0028/c/?lang=en Reviewed-by: Luca Fancellu <[email protected]> Signed-off-by: Jens Wiklander <[email protected]>
One remark here. The tags are usually added chronologically. So your signed-off-by should be first.
I am not planning to commit this patch until one of the patch using the call is ready. If this happen in this version, then I am happy to fix it on commit. Otherwise, please do it in the next version:
Acked-by: Julien Grall <[email protected]> Cheers, -- Julien Grall
