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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_CACHEFLUSH_H
#define _ASM_CACHEFLUSH_H
#include <linux/mm.h>
#include <asm/cpu-features.h>
#include <asm/cacheops.h>
extern void local_flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_range local_flush_icache_range
#define flush_icache_user_range local_flush_icache_range
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_cache_all() do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_dup_mm(mm) do { } while (0)
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#define flush_icache_page(vma, page) do { } while (0)
#define flush_icache_user_page(vma, page, addr, len) do { } while (0)
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define cache_op(op, addr) \
__asm__ __volatile__( \
" cacop %0, %1 \n" \
: \
: "i" (op), "ZC" (*(unsigned char *)(addr)))
static inline void flush_icache_line_indexed(unsigned long addr)
{
cache_op(Index_Invalidate_I, addr);
}
static inline void flush_dcache_line_indexed(unsigned long addr)
{
cache_op(Index_Writeback_Inv_D, addr);
}
static inline void flush_vcache_line_indexed(unsigned long addr)
{
cache_op(Index_Writeback_Inv_V, addr);
}
static inline void flush_scache_line_indexed(unsigned long addr)
{
cache_op(Index_Writeback_Inv_S, addr);
}
static inline void flush_icache_line(unsigned long addr)
{
cache_op(Hit_Invalidate_I, addr);
}
static inline void flush_dcache_line(unsigned long addr)
{
cache_op(Hit_Writeback_Inv_D, addr);
}
static inline void flush_vcache_line(unsigned long addr)
{
cache_op(Hit_Writeback_Inv_V, addr);
}
static inline void flush_scache_line(unsigned long addr)
{
cache_op(Hit_Writeback_Inv_S, addr);
}
#include <asm-generic/cacheflush.h>
#endif /* _ASM_CACHEFLUSH_H */
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