From 04fafcee2b08948d2d366c448bec059a90d224f4 Mon Sep 17 00:00:00 2001
From: Achin Gupta <achin.gupta@arm.com>
Date: Fri, 25 Jul 2014 14:47:05 +0100
Subject: [PATCH] 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
---
 include/bl31/cpu_data.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/bl31/cpu_data.h b/include/bl31/cpu_data.h
index ef0b68cf1..9015c4b3d 100644
--- a/include/bl31/cpu_data.h
+++ b/include/bl31/cpu_data.h
@@ -104,6 +104,10 @@ void init_cpu_data_ptr(void);
 #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__ */
-- 
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