PSCI: Introduce cache and barrier wrappers
The PSCI implementation performs cache maintenance operations on its data structures to ensure their visibility to both cache-coherent and non-cache-coherent participants. These cache maintenance operations can be skipped if all PSCI participants are cache-coherent. When HW_ASSISTED_COHERENCY build option is enabled, we assume PSCI participants are cache-coherent. For usage abstraction, this patch introduces wrappers for PSCI cache maintenance and barrier operations used for state coordination: they are effectively NOPs when HW_ASSISTED_COHERENCY is enabled, but are applied otherwise. Also refactor local state usage and associated cache operations to make it clearer. Change-Id: I77f17a90cba41085b7188c1345fe5731c99fad87 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com> |
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lib/psci/psci_common.c |
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lib/psci/psci_off.c |
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lib/psci/psci_private.h |
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lib/psci/psci_setup.c |
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lib/psci/psci_suspend.c |
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