cache.c

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/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * cache.c: Cache maintenance routines for ARMv7-A and ARMv7-R
 *
 * Reference: ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition
 */
 
#include <arch/cache.h>
 
void tlb_invalidate_all(void)
{
}
 
void dcache_clean_all(void)
{
}
 
void dcache_clean_invalidate_all(void)
{
}
 
void dcache_invalidate_all(void)
{
}
 
unsigned int dcache_line_bytes(void)
{
        /*
         * TODO: Implement this correctly. For now we just return a
         * reasonable value. It was added during Nyan development and
         * may be used in bootblock code. It matters only if dcache is
         * turned on.
         */
        return 64;
}
 
void dcache_clean_by_mva(void const *addr, size_t len)
{
}
 
void dcache_clean_invalidate_by_mva(void const *addr, size_t len)
{
}
 
void dcache_invalidate_by_mva(void const *addr, size_t len)
{
}
 
void dcache_mmu_disable(void)
{
}
 
void dcache_mmu_enable(void)
{
}
 
void cache_sync_instructions(void)
{
}