[rtems commit] bsps/arm: Fix TLB invalidation for ARMv7-A
Sebastian Huber
sebh at rtems.org
Fri Jun 6 06:34:43 UTC 2014
Module: rtems
Branch: master
Commit: dc44de7686771aaaf3343ffbfed021e8c38cacc3
Changeset: http://git.rtems.org/rtems/commit/?id=dc44de7686771aaaf3343ffbfed021e8c38cacc3
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Thu Jun 5 16:38:29 2014 +0200
bsps/arm: Fix TLB invalidation for ARMv7-A
---
c/src/lib/libcpu/arm/shared/include/arm-cp15.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/c/src/lib/libcpu/arm/shared/include/arm-cp15.h b/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
index c81b16a..76b0582 100644
--- a/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
+++ b/c/src/lib/libcpu/arm/shared/include/arm-cp15.h
@@ -491,6 +491,13 @@ arm_cp15_tlb_invalidate(void)
: ARM_SWITCH_OUTPUT
: [sbz] "r" (sbz)
);
+
+ /*
+ * ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition, Issue C,
+ * B3.10.1 General TLB maintenance requirements.
+ */
+ _ARM_Data_synchronization_barrier();
+ _ARM_Instruction_synchronization_barrier();
}
ARM_CP15_TEXT_SECTION static inline void
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