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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*/
#ifndef _ASM_C6X_CACHEFLUSH_H
#define _ASM_C6X_CACHEFLUSH_H
#include <linux/spinlock.h>
#include <asm/setup.h>
#include <asm/cache.h>
#include <asm/mman.h>
#include <asm/page.h>
#include <asm/string.h>
/*
* virtually-indexed cache management (our cache is physically indexed)
*/
#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(mm, 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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 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)
/*
* physically-indexed cache management
*/
#define flush_icache_range(s, e) \
do { \
L1D_cache_block_writeback((s), (e)); \
L1P_cache_block_invalidate((s), (e)); \
} while (0)
#define flush_icache_page(vma, page) \
do { \
if ((vma)->vm_flags & PROT_EXEC) \
L1D_cache_block_writeback_invalidate(page_address(page), \
(unsigned long) page_address(page) + PAGE_SIZE)); \
L1P_cache_block_invalidate(page_address(page), \
(unsigned long) page_address(page) + PAGE_SIZE)); \
} while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
memcpy(dst, src, len)
#endif /* _ASM_C6X_CACHEFLUSH_H */