/* *  Port on Texas Instruments TMS320C6x architecture * *  Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License version 2 as *  published by the Free Software Foundation. */#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 */