Re: [Xen-devel] [RFC 1/4] arm: add SMC wrapper that is compatible with SMCCC

2017-10-16 Thread Julien Grall
Hi Volodymyr, On 11/10/17 20:01, Volodymyr Babchuk wrote: Existing SMC wrapper call_smc() allows only 4 parameters and returns only one value. This is enough for existing use in PSCI code, but TEE mediator will need a call that is fully compatible with ARM SMCCC. This patch adds this call for bo

[Xen-devel] [RFC 1/4] arm: add SMC wrapper that is compatible with SMCCC

2017-10-11 Thread Volodymyr Babchuk
Existing SMC wrapper call_smc() allows only 4 parameters and returns only one value. This is enough for existing use in PSCI code, but TEE mediator will need a call that is fully compatible with ARM SMCCC. This patch adds this call for both arm32 and arm64. There was similar patch by Edgar E. Igle