Update #4982.
---
cpukit/score/cpu/arm/include/libcpu/arm-cp15.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
b/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
index c239eaccc8..4a5ddb561e 100644
--- a/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
+++ b/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
@@ -2371,6 +2371,23 @@ arm_cp15_set_diagnostic_control(uint32_t val)
);
}
+/* This is probably a Cortex-R5 specific operation */
+ARM_CP15_TEXT_SECTION static inline void
+arm_cp15_data_cache_all_invalidate(void)
+{
+ ARM_SWITCH_REGISTERS;
+ uint32_t sbz = 0;
+
+ __asm__ volatile (
+ ARM_SWITCH_TO_ARM
+ "mcr p15, 0, %[sbz], c15, c5, 0\n"
+ ARM_SWITCH_BACK
+ : ARM_SWITCH_OUTPUT
+ : [sbz] "r" (sbz)
+ : "memory"
+ );
+}
+
/**
* @brief Sets the @a section_flags for the address range [@a begin, @a end).
*
--
2.35.3
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