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arm: Add arm_cp15_data_cache_all_invalidate()

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Update #4982.
This commit is contained in:
Sebastian Huber
2024-04-23 21:06:52 +02:00
committed by Amar Takhar
parent b89101116f
commit f67f1c8718
1 changed files with 17 additions and 0 deletions
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17
cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
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@@ -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). * @brief Sets the @a section_flags for the address range [@a begin, @a end).
* *