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Diffstat (limited to 'arch/hexagon/include/asm/cacheflush.h')
-rw-r--r--arch/hexagon/include/asm/cacheflush.h52
1 files changed, 18 insertions, 34 deletions
diff --git a/arch/hexagon/include/asm/cacheflush.h b/arch/hexagon/include/asm/cacheflush.h
index 49e0896ec240..bfff514a81c8 100644
--- a/arch/hexagon/include/asm/cacheflush.h
+++ b/arch/hexagon/include/asm/cacheflush.h
@@ -1,30 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Cache flush operations for the Hexagon architecture
*
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
*/
#ifndef _ASM_CACHEFLUSH_H
#define _ASM_CACHEFLUSH_H
-#include <linux/cache.h>
-#include <linux/mm.h>
-#include <asm/string.h>
-#include <asm-generic/cacheflush.h>
+#include <linux/mm_types.h>
/* Cache flushing:
*
@@ -34,7 +18,7 @@
* - flush_cache_range(vma, start, end) flushes a range of pages
* - flush_icache_range(start, end) flush a range of instructions
* - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
- * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ * - flush_icache_pages(vma, pg, nr) flushes(invalidates) nr pages for icache
*
* Need to doublecheck which one is really needed for ptrace stuff to work.
*/
@@ -45,12 +29,13 @@
* Flush Dcache range through current map.
*/
extern void flush_dcache_range(unsigned long start, unsigned long end);
+#define flush_dcache_range flush_dcache_range
/*
* Flush Icache range through current map.
*/
-#undef flush_icache_range
extern void flush_icache_range(unsigned long start, unsigned long end);
+#define flush_icache_range flush_icache_range
/*
* Memory-management related flushes are there to ensure in non-physically
@@ -73,27 +58,26 @@ extern void flush_cache_all_hexagon(void);
* clean the cache when the PTE is set.
*
*/
-static inline void update_mmu_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
+static inline void update_mmu_cache_range(struct vm_fault *vmf,
+ struct vm_area_struct *vma, unsigned long address,
+ pte_t *ptep, unsigned int nr)
{
/* generic_ptrace_pokedata doesn't wind up here, does it? */
}
-#undef copy_to_user_page
-static inline void copy_to_user_page(struct vm_area_struct *vma,
- struct page *page,
- unsigned long vaddr,
- void *dst, void *src, int len)
-{
- memcpy(dst, src, len);
- if (vma->vm_flags & VM_EXEC) {
- flush_icache_range((unsigned long) dst,
- (unsigned long) dst + len);
- }
-}
+#define update_mmu_cache(vma, addr, ptep) \
+ update_mmu_cache_range(NULL, vma, addr, ptep, 1)
+
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long vaddr, void *dst, void *src, int len);
+#define copy_to_user_page copy_to_user_page
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy(dst, src, len)
extern void hexagon_inv_dcache_range(unsigned long start, unsigned long end);
extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end);
+#include <asm-generic/cacheflush.h>
+
#endif