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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-11-05 JasonHu The first version
* 2022-11-09 WangXiaoyao Distinguish local and broadcast operations
*/
#ifndef CACHE_H__
#define CACHE_H__
#include "opcode.h"
#ifndef ALWAYS_INLINE
#define ALWAYS_INLINE inline __attribute__((always_inline))
#endif
ALWAYS_INLINE void rt_hw_cpu_sync(void)
{
asm volatile(OPC_SYNC::
: "memory");
}
ALWAYS_INLINE void rt_hw_cpu_sync_i(void)
{
asm volatile(OPC_SYNC_I::
: "memory");
}
ALWAYS_INLINE void rt_hw_cpu_sync_s(void)
{
asm volatile(OPC_SYNC_S::
: "memory");
}
ALWAYS_INLINE void rt_hw_cpu_sync_is(void)
{
asm volatile(OPC_SYNC_IS::
: "memory");
}
/**
* ========================================
* Local cpu cache maintainence operations
* ========================================
*/
void rt_hw_cpu_dcache_clean_local(void *addr, int size);
void rt_hw_cpu_dcache_invalidate_local(void *addr, int size);
void rt_hw_cpu_dcache_clean_invalidate_local(void *addr, int size);
void rt_hw_cpu_icache_invalidate_local(void *addr, int size);
ALWAYS_INLINE void rt_hw_cpu_dcache_clean_all_local(void)
{
__asm__ volatile(OPC_DCACHE_CALL ::
: "memory");
rt_hw_cpu_sync();
}
ALWAYS_INLINE void rt_hw_cpu_dcache_invalidate_all_local(void)
{
__asm__ volatile(OPC_DCACHE_IALL ::
: "memory");
rt_hw_cpu_sync();
}
ALWAYS_INLINE void rt_hw_cpu_dcache_clean_invalidate_all_local(void)
{
__asm__ volatile(OPC_DCACHE_CIALL ::
: "memory");
rt_hw_cpu_sync();
}
ALWAYS_INLINE void rt_hw_cpu_icache_invalidate_all_local(void)
{
__asm__ volatile(OPC_ICACHE_IALL ::
: "memory");
rt_hw_cpu_sync_i();
}
#define rt_hw_icache_invalidate_all rt_hw_cpu_icache_invalidate_all
/**
* ========================================
* Multi-core cache maintainence operations
* ========================================
*/
#define rt_hw_cpu_dcache_clean rt_hw_cpu_dcache_clean_local
#define rt_hw_cpu_dcache_invalidate rt_hw_cpu_dcache_invalidate_local
#define rt_hw_cpu_dcache_clean_and_invalidate rt_hw_cpu_dcache_clean_invalidate_local
#define rt_hw_cpu_dcache_clean_all rt_hw_cpu_dcache_clean_all_local
#define rt_hw_cpu_dcache_invalidate_all rt_hw_cpu_dcache_invalidate_all_local
#define rt_hw_cpu_dcache_clean_invalidate_all rt_hw_cpu_dcache_clean_invalidate_all_local
#define rt_hw_cpu_icache_invalidate rt_hw_cpu_icache_invalidate_local
#define rt_hw_cpu_icache_invalidate_all rt_hw_cpu_icache_invalidate_all_local
/**
* @brief Synchronize cache to Point of Unification
*/
void rt_hw_sync_cache_local(void *addr, int size);
#endif /* CACHE_H__ */
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