Crypto in ARM v8

Hi, ARM experts: I found there are some crypto instructions in v8 Arch, they use register Vn. Does these operations own a secure property, i.e. how to ensure non-secure world can not visit or dump...
GICv3 Group0 secure interrupts routed to monitor when running in S-EL1

Hi, In a GICv3 based system, is it possible to have the following configuration: While running NS-EL1/EL0: -NS Group1 interrupts triggered as IRQ to NS-EL1 -Secure Grp1 interrupts routed as FIQ...
Usage of gathering and reordering in the ARMv8

Hi all, Kindly suggest some logical code to realize the gathering and re-ordering attribute in the ARMv8. How this attribute can be best utilized for actual use case scenarios ?
how does ARMv8 switch to run application(EL0) from kernel(EL1)?

hi experts, I am studying the ARMv8 exception levels. I have a question about ELs. EL1 is described to run OS kernel and EL0 is application level. The exception levels change only occur on exception...
PoU (Point of Unification)

Hi all, When reading the ARMv8 reference manual, it mentions a concept of PoU. My understanding is that, if the every CPU core in a cluster has its own L1 cache, and all clusters share an L2 cache...