Re: [Xen-devel] [PATCH v8 07/11] arm: smccc: handle SMCs according to SMCCC

2017-10-11 Thread Stefano Stabellini
On Tue, 10 Oct 2017, Volodymyr Babchuk wrote: > SMCCC (SMC Call Convention) describes how to handle both HVCs and SMCs. > SMCCC states that both HVC and SMC are valid conduits to call to different > firmware functions. Thus, for example, PSCI calls can be made both by > SMC or HVC. Also SMCCC defin

[Xen-devel] [PATCH v8 07/11] arm: smccc: handle SMCs according to SMCCC

2017-10-10 Thread Volodymyr Babchuk
SMCCC (SMC Call Convention) describes how to handle both HVCs and SMCs. SMCCC states that both HVC and SMC are valid conduits to call to different firmware functions. Thus, for example, PSCI calls can be made both by SMC or HVC. Also SMCCC defines function number coding for such calls. Besides func