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/*
 *  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 */

Filemanager

Name Type Size Permission Actions
Kbuild File 865 B 0644
asm-offsets.h File 35 B 0644
bitops.h File 2.17 KB 0644
bug.h File 705 B 0644
cache.h File 3.1 KB 0644
cacheflush.h File 2.05 KB 0644
checksum.h File 947 B 0644
clock.h File 3.51 KB 0644
cmpxchg.h File 1.57 KB 0644
delay.h File 1.67 KB 0644
dma-mapping.h File 911 B 0644
dscr.h File 909 B 0644
elf.h File 3.18 KB 0644
flat.h File 677 B 0644
ftrace.h File 97 B 0644
hardirq.h File 572 B 0644
irq.h File 1.59 KB 0644
irqflags.h File 1.67 KB 0644
linkage.h File 497 B 0644
megamod-pic.h File 213 B 0644
module.h File 639 B 0644
page.h File 312 B 0644
pgtable.h File 2.29 KB 0644
processor.h File 3.31 KB 0644
procinfo.h File 673 B 0644
ptrace.h File 998 B 0644
sections.h File 287 B 0644
setup.h File 914 B 0644
soc.h File 929 B 0644
special_insns.h File 1.82 KB 0644
string.h File 616 B 0644
switch_to.h File 992 B 0644
syscall.h File 2.2 KB 0644
syscalls.h File 1.73 KB 0644
thread_info.h File 2.63 KB 0644
timer64.h File 154 B 0644
timex.h File 867 B 0644
tlb.h File 192 B 0644
traps.h File 1.29 KB 0644
uaccess.h File 2.14 KB 0644
unaligned.h File 4.63 KB 0644