cacheflush.h (ac4cfaccedac891d29560ddfb64cb5c1e710e1e1) cacheflush.h (203b7b6aad6769a43987deb81c35456de8bb16c7)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4 *
5 * vineetg: May 2011: for Non-aliasing VIPT D-cache following can be NOPs
6 * -flush_cache_dup_mm (fork)
7 * -likewise for flush_cache_mm (exit/execve)
8 * -likewise for flush_cache_{range,page} (munmap, exit, COW-break)

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13 */
14
15#ifndef _ASM_CACHEFLUSH_H
16#define _ASM_CACHEFLUSH_H
17
18#include <linux/mm.h>
19#include <asm/shmparam.h>
20
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4 *
5 * vineetg: May 2011: for Non-aliasing VIPT D-cache following can be NOPs
6 * -flush_cache_dup_mm (fork)
7 * -likewise for flush_cache_mm (exit/execve)
8 * -likewise for flush_cache_{range,page} (munmap, exit, COW-break)

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13 */
14
15#ifndef _ASM_CACHEFLUSH_H
16#define _ASM_CACHEFLUSH_H
17
18#include <linux/mm.h>
19#include <asm/shmparam.h>
20
21/*
22 * Semantically we need this because icache doesn't snoop dcache/dma.
23 * However ARC Cache flush requires paddr as well as vaddr, latter not available
24 * in the flush_icache_page() API. So we no-op it but do the equivalent work
25 * in update_mmu_cache()
26 */
27#define flush_icache_page(vma, page)
28#define flush_icache_pages(vma, page, nr)
29
30void flush_cache_all(void);
31
32void flush_icache_range(unsigned long kstart, unsigned long kend);
33void __sync_icache_dcache(phys_addr_t paddr, unsigned long vaddr, int len);
34void __inv_icache_pages(phys_addr_t paddr, unsigned long vaddr, unsigned nr);
35void __flush_dcache_pages(phys_addr_t paddr, unsigned long vaddr, unsigned nr);
36
37#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1

--- 83 unchanged lines hidden --- 		21void flush_cache_all(void);
22
23void flush_icache_range(unsigned long kstart, unsigned long kend);
24void __sync_icache_dcache(phys_addr_t paddr, unsigned long vaddr, int len);
25void __inv_icache_pages(phys_addr_t paddr, unsigned long vaddr, unsigned nr);
26void __flush_dcache_pages(phys_addr_t paddr, unsigned long vaddr, unsigned nr);
27
28#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1

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