Add macro to flush per-CPU data
This patch adds a macro which will flush the contents of the specified member of
the per-CPU data structure to the PoC. This is required to enable an update of a
per-CPU data member to be visible to all observers.
Change-Id: I20e0feb9b9f345dc5a1162e88adc7956a7ad7a64
diff --git a/include/bl31/cpu_data.h b/include/bl31/cpu_data.h
index ef0b68c..9015c4b 100644
--- a/include/bl31/cpu_data.h
+++ b/include/bl31/cpu_data.h
@@ -104,6 +104,10 @@
#define get_cpu_data_by_mpidr(_id, _m) _cpu_data_by_mpidr(_id)->_m
#define set_cpu_data_by_mpidr(_id, _m, _v) _cpu_data_by_mpidr(_id)->_m = _v
+#define flush_cpu_data(_m) flush_dcache_range((uint64_t) \
+ &(_cpu_data()->_m), \
+ sizeof(_cpu_data()->_m))
+
#endif /* __ASSEMBLY__ */
#endif /* __CPU_DATA_H__ */