cache.h

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/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * cache.h: Cache maintenance API for ARM64
 */
 
#ifndef ARM_ARM64_CACHE_H
#define ARM_ARM64_CACHE_H
 
#include <arch/lib_helpers.h>
 
#ifndef __ASSEMBLER__
 
#include <stddef.h>
#include <arch/barrier.h>
 
/* dcache clean by virtual address to PoC */
void dcache_clean_by_mva(void const *addr, size_t len);
 
/* dcache clean and invalidate by virtual address to PoC */
void dcache_clean_invalidate_by_mva(void const *addr, size_t len);
 
/* dcache invalidate by virtual address to PoC */
void dcache_invalidate_by_mva(void const *addr, size_t len);
 
/* dcache clean and/or invalidate all sets/ways to PoC */
void dcache_clean_all(void);
void dcache_invalidate_all(void);
void dcache_clean_invalidate_all(void);
 
/* returns number of bytes per cache line */
unsigned int dcache_line_bytes(void);
 
/* Invalidate all TLB entries. */
static inline void tlb_invalidate_all(void)
{
        /* TLBIALL includes dTLB and iTLB on systems that have them. */
        tlbiall_el3();
        dsb();
        isb();
}
 
/* Invalidate all of the instruction cache for PE to PoU. */
static inline void icache_invalidate_all(void)
{
        dsb();
        iciallu();
        dsb();
        isb();
}
 
#endif /* __ASSEMBLER__ */
 
#endif /* ARM_ARM64_CACHE_H */