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path: root/arch/arm/cpu/armv8/fwcall.c
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* armv8: Add Secure Monitor/Hypervisor Call (SMC/HVC) infrastructureSergey Temerkhanov2016-01-19-0/+75
This commit adds functions issuing calls to secure monitor or hypervisore. This allows using services such as Power State Coordination Interface (PSCI) provided by firmware, e.g. ARM Trusted Firmware (ATF) The SMC call can destroy all registers declared temporary by the calling conventions. The clobber list is "x0..x17" because of this Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>