/* * 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 */ |